diff --git a/browser/components/CodeEditor.js b/browser/components/CodeEditor.js
index 8ecf1851..6ca06ab3 100644
--- a/browser/components/CodeEditor.js
+++ b/browser/components/CodeEditor.js
@@ -2,43 +2,34 @@ import React, { PropTypes } from 'react'
 import ReactDOM from 'react-dom'
 import modes from '../lib/modes'
 import _ from 'lodash'
-import fetchConfig from '../lib/fetchConfig'
-
-const electron = require('electron')
-const remote = electron.remote
-const ipc = electron.ipcRenderer
 
 const ace = window.ace
 
-let config = fetchConfig()
-ipc.on('config-apply', function (e, newConfig) {
-  config = newConfig
-})
+const defaultEditorFontFamily = ['Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', 'monospace']
 
 export default class CodeEditor extends React.Component {
   constructor (props) {
     super(props)
 
-    this.configApplyHandler = (e, config) => this.handleConfigApply(e, config)
-    this.changeHandler = e => this.handleChange(e)
+    this.changeHandler = (e) => this.handleChange(e)
     this.blurHandler = (e) => {
-      if (e.relatedTarget === null) {
-        return
+      e.stopPropagation()
+      let el = e.relatedTarget
+      let isStillFocused = false
+      while (el != null) {
+        if (el === this.refs.root) {
+          isStillFocused = true
+          break
+        }
+        el = el.parentNode
       }
 
-      let isFocusingToSearch = e.relatedTarget.className && e.relatedTarget.className.split(' ').some(clss => {
-        return clss === 'ace_search_field' || clss === 'ace_searchbtn' || clss === 'ace_replacebtn' || clss === 'ace_searchbtn_close' || clss === 'ace_text-input'
-      })
-      if (isFocusingToSearch) {
-        return
-      }
-
-      if (this.props.onBlur) this.props.onBlur(e)
+      if (!isStillFocused && this.props.onBlur != null) this.props.onBlur(e)
     }
 
     this.killedBuffer = ''
     this.execHandler = (e) => {
-      console.log(e.command.name)
+      console.info('ACE COMMAND >> %s', e.command.name)
       switch (e.command.name) {
         case 'gotolinestart':
           e.preventDefault()
@@ -84,7 +75,7 @@ export default class CodeEditor extends React.Component {
     this.afterExecHandler = (e) => {
       switch (e.command.name) {
         case 'find':
-          Array.prototype.forEach.call(ReactDOM.findDOMNode(this).querySelectorAll('.ace_search_field, .ace_searchbtn, .ace_replacebtn, .ace_searchbtn_close'), el => {
+          Array.prototype.forEach.call(ReactDOM.findDOMNode(this).querySelectorAll('.ace_search_field, .ace_searchbtn, .ace_replacebtn, .ace_searchbtn_close'), (el) => {
             el.removeEventListener('blur', this.blurHandler)
             el.addEventListener('blur', this.blurHandler)
           })
@@ -93,11 +84,6 @@ export default class CodeEditor extends React.Component {
     }
 
     this.state = {
-      fontSize: config['editor-font-size'],
-      fontFamily: config['editor-font-family'],
-      indentType: config['editor-indent-type'],
-      indentSize: config['editor-indent-size'],
-      themeSyntax: config['theme-syntax']
     }
 
     this.silentChange = false
@@ -110,15 +96,16 @@ export default class CodeEditor extends React.Component {
   }
 
   componentDidMount () {
-    let { article } = this.props
-    var el = ReactDOM.findDOMNode(this)
-    var editor = this.editor = ace.edit(el)
+    let { mode, value, theme, fontSize } = this.props
+    this.value = value
+    let el = ReactDOM.findDOMNode(this)
+    let editor = this.editor = ace.edit(el)
     editor.$blockScrolling = Infinity
     editor.renderer.setShowGutter(true)
-    editor.setTheme('ace/theme/' + this.state.themeSyntax)
+    editor.setTheme('ace/theme/' + theme)
     editor.moveCursorTo(0, 0)
     editor.setReadOnly(!!this.props.readOnly)
-    editor.setFontSize(this.state.fontSize)
+    editor.setFontSize(fontSize)
 
     editor.on('blur', this.blurHandler)
 
@@ -132,49 +119,34 @@ export default class CodeEditor extends React.Component {
       readOnly: true
     })
     editor.commands.addCommand({
-      name: 'Emacs cursor up',
+      name: 'Emacs kill buffer',
       bindKey: {mac: 'Ctrl-Y'},
       exec: function (editor) {
         editor.insert(this.killedBuffer)
       }.bind(this),
       readOnly: true
     })
-    editor.commands.addCommand({
-      name: 'Focus title',
-      bindKey: {win: 'Esc', mac: 'Esc'},
-      exec: function (editor, e) {
-        let currentWindow = remote.getCurrentWebContents()
-        if (config['switch-preview'] === 'rightclick') {
-          currentWindow.send('detail-preview')
-        }
-        currentWindow.send('list-focus')
-      },
-      readOnly: true
-    })
 
     editor.commands.on('exec', this.execHandler)
     editor.commands.on('afterExec', this.afterExecHandler)
 
     var session = editor.getSession()
-    let mode = _.findWhere(modes, {name: article.mode})
+    mode = _.find(modes, {name: mode})
     let syntaxMode = mode != null
       ? mode.mode
       : 'text'
     session.setMode('ace/mode/' + syntaxMode)
 
-    session.setUseSoftTabs(this.state.indentType === 'space')
-    session.setTabSize(!isNaN(this.state.indentSize) ? parseInt(this.state.indentSize, 10) : 4)
-    session.setOption('useWorker', false)
+    session.setUseSoftTabs(this.props.indentType === 'space')
+    session.setTabSize(this.props.indentSize)
+    session.setOption('useWorker', true)
     session.setUseWrapMode(true)
-    session.setValue(this.props.article.content)
+    session.setValue(_.isString(value) ? value : '')
 
     session.on('change', this.changeHandler)
-
-    ipc.on('config-apply', this.configApplyHandler)
   }
 
   componentWillUnmount () {
-    ipc.removeListener('config-apply', this.configApplyHandler)
     this.editor.getSession().removeListener('change', this.changeHandler)
     this.editor.removeListener('blur', this.blurHandler)
     this.editor.commands.removeListener('exec', this.execHandler)
@@ -182,42 +154,36 @@ export default class CodeEditor extends React.Component {
   }
 
   componentDidUpdate (prevProps, prevState) {
-    var session = this.editor.getSession()
-    if (this.props.article.key !== prevProps.article.key) {
-      session.removeListener('change', this.changeHandler)
-      session.setValue(this.props.article.content)
-      session.getUndoManager().reset()
-      session.on('change', this.changeHandler)
-    }
-    if (prevProps.article.mode !== this.props.article.mode) {
-      let mode = _.findWhere(modes, {name: this.props.article.mode})
+    let { value } = this.props
+    this.value = value
+    let editor = this.editor
+    let session = this.editor.getSession()
+
+    if (prevProps.mode !== this.props.mode) {
+      let mode = _.find(modes, {name: this.props.mode})
       let syntaxMode = mode != null
         ? mode.mode
         : 'text'
       session.setMode('ace/mode/' + syntaxMode)
     }
+    if (prevProps.theme !== this.props.theme) {
+      editor.setTheme('ace/theme/' + this.props.theme)
+    }
+    if (prevProps.fontSize !== this.props.fontSize) {
+      editor.setFontSize(this.props.fontSize)
+    }
+    if (prevProps.indentSize !== this.props.indentSize) {
+      session.setTabSize(this.props.indentSize)
+    }
+    if (prevProps.indentType !== this.props.indentType) {
+      session.setUseSoftTabs(this.props.indentType === 'space')
+    }
   }
 
-  handleConfigApply (e, config) {
-    this.setState({
-      fontSize: config['editor-font-size'],
-      fontFamily: config['editor-font-family'],
-      indentType: config['editor-indent-type'],
-      indentSize: config['editor-indent-size'],
-      themeSyntax: config['theme-syntax']
-    }, function () {
-      var editor = this.editor
-      editor.setTheme('ace/theme/' + this.state.themeSyntax)
-
-      var session = editor.getSession()
-      session.setUseSoftTabs(this.state.indentType === 'space')
-      session.setTabSize(!isNaN(this.state.indentSize) ? parseInt(this.state.indentSize, 10) : 4)
-    })
-  }
   handleChange (e) {
     if (this.props.onChange) {
-      var value = this.editor.getValue()
-      this.props.onChange(value)
+      this.value = this.editor.getValue()
+      this.props.onChange(e)
     }
   }
 
@@ -237,13 +203,37 @@ export default class CodeEditor extends React.Component {
     this.editor.scrollToLine(num, false, false)
   }
 
+  focus () {
+    this.editor.focus()
+  }
+
+  blur () {
+    this.editor.blur()
+  }
+
+  reload () {
+    let session = this.editor.getSession()
+    session.removeListener('change', this.changeHandler)
+    session.setValue(this.props.value)
+    session.getUndoManager().reset()
+    session.on('change', this.changeHandler)
+  }
+
   render () {
+    let { className, fontFamily } = this.props
+    fontFamily = _.isString(fontFamily) && fontFamily.length > 0
+      ? [fontFamily].concat(defaultEditorFontFamily)
+      : defaultEditorFontFamily
     return (
       <div
-        className={this.props.className == null ? 'CodeEditor' : 'CodeEditor ' + this.props.className}
+        className={className == null
+          ? 'CodeEditor'
+          : `CodeEditor ${className}`
+        }
+        ref='root'
+        tabIndex='-1'
         style={{
-          fontSize: this.state.fontSize,
-          fontFamily: this.state.fontFamily.trim() + ', monospace'
+          fontFamily: fontFamily.join(', ')
         }}
       />
     )
@@ -251,11 +241,8 @@ export default class CodeEditor extends React.Component {
 }
 
 CodeEditor.propTypes = {
-  article: PropTypes.shape({
-    content: PropTypes.string,
-    mode: PropTypes.string,
-    key: PropTypes.string
-  }),
+  value: PropTypes.string,
+  mode: PropTypes.string,
   className: PropTypes.string,
   onBlur: PropTypes.func,
   onChange: PropTypes.func,
@@ -263,7 +250,12 @@ CodeEditor.propTypes = {
 }
 
 CodeEditor.defaultProps = {
-  readOnly: false
+  readOnly: false,
+  theme: 'xcode',
+  fontSize: 14,
+  fontFamily: 'Monaco, Consolas',
+  indentSize: 4,
+  indentType: 'space'
 }
 
 export default CodeEditor
diff --git a/browser/components/ExternalLink.js b/browser/components/ExternalLink.js
deleted file mode 100644
index ec190ecc..00000000
--- a/browser/components/ExternalLink.js
+++ /dev/null
@@ -1,20 +0,0 @@
-import React, { PropTypes } from 'react'
-const electron = require('electron')
-const shell = electron.shell
-
-export default class ExternalLink extends React.Component {
-  handleClick (e) {
-    shell.openExternal(this.props.href)
-    e.preventDefault()
-  }
-
-  render () {
-    return (
-      <a onClick={e => this.handleClick(e)} {...this.props}/>
-    )
-  }
-}
-
-ExternalLink.propTypes = {
-  href: PropTypes.string
-}
diff --git a/browser/components/FolderMark.js b/browser/components/FolderMark.js
deleted file mode 100644
index dd6708b9..00000000
--- a/browser/components/FolderMark.js
+++ /dev/null
@@ -1,52 +0,0 @@
-import React, { PropTypes } from 'react'
-
-const BLUE = '#3460C7'
-const LIGHTBLUE = '#2BA5F7'
-const ORANGE = '#FF8E00'
-const YELLOW = '#E8D252'
-const GREEN = '#3FD941'
-const DARKGREEN = '#1FAD85'
-const RED = '#E10051'
-const PURPLE = '#B013A4'
-
-function getColorByIndex (index) {
-  switch (index % 8) {
-    case 0:
-      return RED
-    case 1:
-      return ORANGE
-    case 2:
-      return YELLOW
-    case 3:
-      return GREEN
-    case 4:
-      return DARKGREEN
-    case 5:
-      return LIGHTBLUE
-    case 6:
-      return BLUE
-    case 7:
-      return PURPLE
-    default:
-      return DARKGREEN
-  }
-}
-
-export default class FolderMark extends React.Component {
-  render () {
-    let color = getColorByIndex(this.props.color)
-    let className = 'FolderMark fa fa-square fa-fw'
-    if (this.props.className != null) {
-      className += ' active'
-    }
-
-    return (
-      <i className={className} style={{color: color}}/>
-    )
-  }
-}
-
-FolderMark.propTypes = {
-  color: PropTypes.number,
-  className: PropTypes.string
-}
diff --git a/browser/components/MarkdownEditor.js b/browser/components/MarkdownEditor.js
new file mode 100644
index 00000000..2e07bc39
--- /dev/null
+++ b/browser/components/MarkdownEditor.js
@@ -0,0 +1,151 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './MarkdownEditor.styl'
+import CodeEditor from 'browser/components/CodeEditor'
+import MarkdownPreview from 'browser/components/MarkdownPreview'
+
+class MarkdownEditor extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      status: 'PREVIEW'
+    }
+  }
+
+  componentDidMount () {
+    this.value = this.refs.code.value
+  }
+
+  componentDidUpdate () {
+    this.value = this.refs.code.value
+  }
+
+  handleChange (e) {
+    this.value = this.refs.code.value
+    this.props.onChange(e)
+  }
+
+  handleContextMenu (e) {
+    let { config } = this.props
+    if (config.editor.switchPreview === 'RIGHTCLICK') {
+      let newStatus = this.state.status === 'PREVIEW'
+        ? 'CODE'
+        : 'PREVIEW'
+      this.setState({
+        status: newStatus
+      }, () => {
+        if (newStatus === 'CODE') {
+          this.refs.code.focus()
+        } else {
+          this.refs.code.blur()
+          this.refs.preview.focus()
+        }
+      })
+    }
+  }
+
+  handleBlur (e) {
+    let { config } = this.props
+    if (config.editor.switchPreview === 'BLUR') {
+      let cursorPosition = this.refs.code.getCursorPosition()
+      this.setState({
+        status: 'PREVIEW'
+      }, () => {
+        this.refs.preview.focus()
+        this.refs.preview.scrollTo(cursorPosition.row)
+      })
+    }
+  }
+
+  handlePreviewMouseDown (e) {
+    this.previewMouseDownedAt = new Date()
+  }
+
+  handlePreviewMouseUp (e) {
+    let { config } = this.props
+    if (config.editor.switchPreview === 'BLUR' && new Date() - this.previewMouseDownedAt < 200) {
+      this.setState({
+        status: 'CODE'
+      }, () => {
+        this.refs.code.focus()
+      })
+    }
+  }
+
+  focus () {
+    if (this.state.status === 'PREVIEW') {
+      this.setState({
+        status: 'CODE'
+      }, () => {
+        this.refs.code.focus()
+      })
+    } else {
+      this.refs.code.focus()
+    }
+  }
+
+  reload () {
+    this.refs.code.reload()
+  }
+
+  render () {
+    let { className, value, config } = this.props
+    let editorFontSize = parseInt(config.editor.fontSize, 10)
+    if (!(editorFontSize > 0 && editorFontSize < 101)) editorFontSize = 14
+    let editorIndentSize = parseInt(config.editor.indentSize, 10)
+    if (!(editorFontSize > 0 && editorFontSize < 132)) editorIndentSize = 4
+
+    let previewStyle = {}
+    if (this.props.ignorePreviewPointerEvents) previewStyle.pointerEvents = 'none'
+
+    return (
+      <div className={className == null
+          ? 'MarkdownEditor'
+          : `MarkdownEditor ${className}`
+        }
+        onContextMenu={(e) => this.handleContextMenu(e)}
+        tabIndex='-1'
+      >
+        <CodeEditor styleName='codeEditor'
+          ref='code'
+          mode='markdown'
+          value={value}
+          theme={config.editor.theme}
+          fontFamily={config.editor.fontFamily}
+          fontSize={editorFontSize}
+          indentType={config.editor.indentType}
+          indentSize={editorIndentSize}
+          onChange={(e) => this.handleChange(e)}
+          onBlur={(e) => this.handleBlur(e)}
+        />
+        <MarkdownPreview styleName={this.state.status === 'PREVIEW'
+            ? 'preview'
+            : 'preview--hide'
+          }
+          style={previewStyle}
+          fontSize={config.preview.fontSize}
+          fontFamily={config.preview.fontFamily}
+          codeBlockTheme={config.preview.codeBlockTheme}
+          codeBlockFontFamily={config.editor.fontFamily}
+          lineNumber={config.preview.lineNumber}
+          ref='preview'
+          onContextMenu={(e) => this.handleContextMenu(e)}
+          tabIndex='0'
+          value={value}
+          onMouseUp={(e) => this.handlePreviewMouseUp(e)}
+          onMouseDown={(e) => this.handlePreviewMouseDown(e)}
+        />
+      </div>
+    )
+  }
+}
+
+MarkdownEditor.propTypes = {
+  className: PropTypes.string,
+  value: PropTypes.string,
+  onChange: PropTypes.func,
+  ignorePreviewPointerEvents: PropTypes.bool
+}
+
+export default CSSModules(MarkdownEditor, styles)
diff --git a/browser/components/MarkdownEditor.styl b/browser/components/MarkdownEditor.styl
new file mode 100644
index 00000000..d62114ac
--- /dev/null
+++ b/browser/components/MarkdownEditor.styl
@@ -0,0 +1,23 @@
+.root
+  position relative
+
+.codeEditor
+  absolute top bottom left right
+
+.codeEditor--hide
+  @extend .codeEditor
+
+.preview
+  display block
+  absolute top bottom left right
+  z-index 100
+  background-color white
+  height 100%
+  width 100%
+
+.preview--hide
+  @extend .preview
+  z-index 0
+  opacity 0
+  pointer-events none
+
diff --git a/browser/components/MarkdownPreview.js b/browser/components/MarkdownPreview.js
index f4c00971..6d5183ae 100644
--- a/browser/components/MarkdownPreview.js
+++ b/browser/components/MarkdownPreview.js
@@ -1,214 +1,152 @@
 import React, { PropTypes } from 'react'
-import markdown from '../lib/markdown'
-import ReactDOM from 'react-dom'
-import sanitizeHtml from '@rokt33r/sanitize-html'
+import markdown from 'browser/lib/markdown'
 import _ from 'lodash'
-import fetchConfig from '../lib/fetchConfig'
+import hljsTheme from 'browser/lib/hljsThemes'
 
-const electron = require('electron')
-const shell = electron.shell
-const ipc = electron.ipcRenderer
-
-const katex = window.katex
+const markdownStyle = require('!!css!stylus?sourceMap!./markdown.styl')[0][1]
+const { shell } = require('electron')
+const goExternal = function (e) {
+  e.preventDefault()
+  e.stopPropagation()
+  shell.openExternal(e.target.href)
+}
 
 const OSX = global.process.platform === 'darwin'
 
-const sanitizeOpts = {
-  allowedTags: [ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'p', 'a', 'ul', 'ol',
-  'nl', 'li', 'b', 'i', 'strong', 'em', 'strike', 'code', 'hr', 'br', 'div',
-  'table', 'thead', 'caption', 'tbody', 'tr', 'th', 'td', 'pre', 'img', 'span', 'cite', 'del', 'u', 'sub', 'sup', 's', 'input', 'label' ],
-  allowedClasses: {
-    'a': ['lineAnchor'],
-    'div': ['math'],
-    'pre': ['hljs'],
-    'span': ['math', 'hljs-*', 'lineNumber'],
-    'code': ['language-*']
-  },
-  allowedAttributes: {
-    a: ['href', 'data-key'],
-    img: [ 'src' ],
-    label: ['for'],
-    input: ['checked', 'type'],
-    '*': ['id', 'name']
-  },
-  transformTags: {
-    '*': function (tagName, attribs) {
-      let href = attribs.href
-      if (tagName === 'input' && attribs.type !== 'checkbox') {
-        return false
-      }
-      if (_.isString(href) && href.match(/^#.+$/)) attribs.href = href.replace(/^#/, '#md-anchor-')
-      if (attribs.id) attribs.id = 'md-anchor-' + attribs.id
-      if (attribs.name) attribs.name = 'md-anchor-' + attribs.name
-      if (attribs.for) attribs.for = 'md-anchor-' + attribs.for
-      return {
-        tagName: tagName,
-        attribs: attribs
-      }
-    }
-  }
+const defaultFontFamily = ['helvetica', 'arial', 'sans-serif']
+if (!OSX) {
+  defaultFontFamily.unshift('\'Microsoft YaHei\'')
+  defaultFontFamily.unshift('meiryo')
 }
-
-function handleAnchorClick (e) {
-  if (this.attributes.href && this.attributes.href.nodeValue.match(/^#.+/)) {
-    return
-  }
-  e.preventDefault()
-  e.stopPropagation()
-  let href = this.href
-  if (href && href.match(/^http:\/\/|https:\/\/|mailto:\/\//)) {
-    shell.openExternal(href)
-  }
-}
-
-function stopPropagation (e) {
-  e.preventDefault()
-  e.stopPropagation()
-}
-
-function math2Katex (display) {
-  return function (el) {
-    try {
-      katex.render(el.innerHTML.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"').replace(/&amp;/g, '&'), el, {display: display})
-      el.className = 'math-rendered'
-    } catch (e) {
-      el.innerHTML = e.message
-      el.className = 'math-failed'
-    }
-  }
-}
-
-let config = fetchConfig()
-ipc.on('config-apply', function (e, newConfig) {
-  config = newConfig
-})
+const defaultCodeBlockFontFamily = ['Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', 'monospace']
 
 export default class MarkdownPreview extends React.Component {
   constructor (props) {
     super(props)
 
-    this.configApplyHandler = (e, config) => this.handleConfigApply(e, config)
-
-    this.state = {
-      fontSize: config['preview-font-size'],
-      fontFamily: config['preview-font-family'],
-      lineNumber: config['preview-line-number']
-    }
-  }
-  componentDidMount () {
-    this.addListener()
-    this.renderMath()
-    ipc.on('config-apply', this.configApplyHandler)
+    this.contextMenuHandler = (e) => this.handleContextMenu(e)
+    this.mouseDownHandler = (e) => this.handleMouseDown(e)
+    this.mouseUpHandler = (e) => this.handleMouseUp(e)
   }
 
-  componentDidUpdate () {
-    this.addListener()
-    this.renderMath()
-  }
-
-  componentWillUnmount () {
-    this.removeListener()
-    ipc.removeListener('config-apply', this.configApplyHandler)
-  }
-
-  componentWillUpdate () {
-    this.removeListener()
-  }
-
-  renderMath () {
-    let inline = ReactDOM.findDOMNode(this).querySelectorAll('span.math')
-    Array.prototype.forEach.call(inline, math2Katex(false))
-    let block = ReactDOM.findDOMNode(this).querySelectorAll('div.math')
-    Array.prototype.forEach.call(block, math2Katex(true))
-  }
-
-  addListener () {
-    var anchors = ReactDOM.findDOMNode(this).querySelectorAll('a:not(.lineAnchor)')
-    var inputs = ReactDOM.findDOMNode(this).querySelectorAll('input')
-
-    Array.prototype.forEach.call(anchors, anchor => {
-      anchor.addEventListener('click', handleAnchorClick)
-      anchor.addEventListener('mousedown', stopPropagation)
-      anchor.addEventListener('mouseup', stopPropagation)
-    })
-    Array.prototype.forEach.call(inputs, input => {
-      input.addEventListener('click', stopPropagation)
-    })
-  }
-
-  removeListener () {
-    var anchors = ReactDOM.findDOMNode(this).querySelectorAll('a:not(.lineAnchor)')
-    var inputs = ReactDOM.findDOMNode(this).querySelectorAll('input')
-
-    Array.prototype.forEach.call(anchors, anchor => {
-      anchor.removeEventListener('click', handleAnchorClick)
-      anchor.removeEventListener('mousedown', stopPropagation)
-      anchor.removeEventListener('mouseup', stopPropagation)
-    })
-    Array.prototype.forEach.call(inputs, input => {
-      input.removeEventListener('click', stopPropagation)
-    })
-  }
-
-  handleClick (e) {
-    if (this.props.onClick) {
-      this.props.onClick(e)
-    }
-  }
-
-  handleDoubleClick (e) {
-    if (this.props.onDoubleClick) {
-      this.props.onDoubleClick(e)
-    }
+  handleContextMenu (e) {
+    this.props.onContextMenu(e)
   }
 
   handleMouseDown (e) {
-    if (this.props.onMouseDown) {
-      this.props.onMouseDown(e)
-    }
+    if (this.props.onMouseDown != null) this.props.onMouseDown(e)
   }
 
   handleMouseUp (e) {
-    if (this.props.onMouseUp) {
-      this.props.onMouseUp(e)
-    }
+    if (this.props.onMouseUp != null) this.props.onMouseUp(e)
   }
 
-  handleMouseMove (e) {
-    if (this.props.onMouseMove) {
-      this.props.onMouseMove(e)
-    }
+  componentDidMount () {
+    this.refs.root.setAttribute('sandbox', 'allow-same-origin')
+    this.refs.root.contentWindow.document.body.addEventListener('contextmenu', this.contextMenuHandler)
+    this.rewriteIframe()
+
+    this.refs.root.contentWindow.document.addEventListener('mousedown', this.mouseDownHandler)
+    this.refs.root.contentWindow.document.addEventListener('mouseup', this.mouseUpHandler)
   }
 
-  handleConfigApply (e, config) {
-    this.setState({
-      fontSize: config['preview-font-size'],
-      fontFamily: config['preview-font-family'],
-      lineNumber: config['preview-line-number']
+  componentWillUnmount () {
+    this.refs.root.contentWindow.document.body.removeEventListener('contextmenu', this.contextMenuHandler)
+    this.refs.root.contentWindow.document.removeEventListener('mousedown', this.mouseDownHandler)
+    this.refs.root.contentWindow.document.removeEventListener('mouseup', this.mouseUpHandler)
+  }
+
+  componentDidUpdate (prevProps) {
+    if (prevProps.value !== this.props.value ||
+      prevProps.fontFamily !== this.props.fontFamily ||
+      prevProps.fontSize !== this.props.fontSize ||
+      prevProps.codeBlockFontFamily !== this.props.codeBlockFontFamily ||
+      prevProps.codeBlockTheme !== this.props.codeBlockTheme ||
+      prevProps.lineNumber !== this.props.lineNumber
+    ) this.rewriteIframe()
+  }
+
+  rewriteIframe () {
+    Array.prototype.forEach.call(this.refs.root.contentWindow.document.querySelectorAll('a'), (el) => {
+      el.removeEventListener('click', goExternal)
+    })
+
+    let { value, fontFamily, fontSize, codeBlockFontFamily, lineNumber, codeBlockTheme } = this.props
+    fontFamily = _.isString(fontFamily) && fontFamily.trim().length > 0
+      ? [fontFamily].concat(defaultFontFamily)
+      : defaultFontFamily
+    codeBlockFontFamily = _.isString(codeBlockFontFamily) && codeBlockFontFamily.trim().length > 0
+      ? [codeBlockFontFamily].concat(defaultCodeBlockFontFamily)
+      : defaultCodeBlockFontFamily
+    codeBlockTheme = hljsTheme().some((theme) => theme.name === codeBlockTheme) ? codeBlockTheme : 'xcode'
+
+    this.refs.root.contentWindow.document.head.innerHTML = `
+      <style>
+        @font-face {
+          font-family: 'Lato';
+          src: url('../resources/fonts/Lato-Regular.woff2') format('woff2'), /* Modern Browsers */
+               url('../resources/fonts/Lato-Regular.woff') format('woff'), /* Modern Browsers */
+               url('../resources/fonts/Lato-Regular.ttf') format('truetype');
+          font-style: normal;
+          font-weight: normal;
+          text-rendering: optimizeLegibility;
+        }
+        ${markdownStyle}
+        body {
+          font-family: ${fontFamily.join(', ')};
+          font-size: ${fontSize}px;
+        }
+        code {
+          font-family: ${codeBlockFontFamily.join(', ')};
+        }
+        .lineNumber {
+          ${lineNumber && 'display: block !important;'}
+          font-family: ${codeBlockFontFamily.join(', ')};
+          opacity: 0.5;
+        }
+      </style>
+      <link rel="stylesheet" href="../node_modules/highlight.js/styles/${codeBlockTheme}.css">
+      <link rel="stylesheet" href="../resources/katex.min.css">
+    `
+    this.refs.root.contentWindow.document.body.innerHTML = markdown(value)
+
+    Array.prototype.forEach.call(this.refs.root.contentWindow.document.querySelectorAll('a'), (el) => {
+      el.addEventListener('mousedown', goExternal)
     })
   }
 
-  render () {
-    let isEmpty = this.props.content.trim().length === 0
-    let content = isEmpty
-      ? '(Empty content)'
-      : this.props.content
-    content = markdown(content)
-    content = sanitizeHtml(content, sanitizeOpts)
+  focus () {
+    this.refs.root.focus()
+  }
 
+  getWindow () {
+    return this.refs.root.contentWindow
+  }
+
+  scrollTo (targetRow) {
+    let lineAnchors = this.getWindow().document.querySelectorAll('a.lineAnchor')
+
+    for (let index = 0; index < lineAnchors.length; index++) {
+      let lineAnchor = lineAnchors[index]
+      let row = parseInt(lineAnchor.getAttribute('data-key'))
+      if (row > targetRow) {
+        let targetAnchor = lineAnchors[index - 1]
+        this.getWindow().scrollTo(0, targetAnchor.offsetTop)
+        break
+      }
+    }
+  }
+
+  render () {
+    let { className, style, tabIndex } = this.props
     return (
-      <div
-        className={'MarkdownPreview' + (this.props.className != null ? ' ' + this.props.className : '') + (isEmpty ? ' empty' : '') + (this.state.lineNumber ? ' lineNumbered' : '')}
-        onClick={e => this.handleClick(e)}
-        onDoubleClick={e => this.handleDoubleClick(e)}
-        onMouseDown={e => this.handleMouseDown(e)}
-        onMouseMove={e => this.handleMouseMove(e)}
-        onMouseUp={e => this.handleMouseUp(e)}
-        dangerouslySetInnerHTML={{__html: ' ' + content}}
-        style={{
-          fontSize: this.state.fontSize,
-          fontFamily: this.state.fontFamily.trim() + (OSX ? '' : ', meiryo, \'Microsoft YaHei\'') + ', helvetica, arial, sans-serif'
-        }}
+      <iframe className={className != null
+          ? 'MarkdownPreview ' + className
+          : 'MarkdownPreview'
+        }
+        style={style}
+        tabIndex={tabIndex}
+        ref='root'
       />
     )
   }
@@ -221,5 +159,5 @@ MarkdownPreview.propTypes = {
   onMouseDown: PropTypes.func,
   onMouseMove: PropTypes.func,
   className: PropTypes.string,
-  content: PropTypes.string
+  value: PropTypes.string
 }
diff --git a/browser/components/TagSelect.js b/browser/components/TagSelect.js
deleted file mode 100644
index dbbc456f..00000000
--- a/browser/components/TagSelect.js
+++ /dev/null
@@ -1,168 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import _ from 'lodash'
-import linkState from '../lib/linkState'
-
-function isNotEmptyString (str) {
-  return _.isString(str) && str.length > 0
-}
-
-export default class TagSelect extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      input: '',
-      isInputFocused: false
-    }
-  }
-
-  componentDidMount () {
-    this.blurInputBlurHandler = e => {
-      if (ReactDOM.findDOMNode(this.refs.tagInput) !== document.activeElement) {
-        this.setState({isInputFocused: false})
-      }
-    }
-    window.addEventListener('click', this.blurInputBlurHandler)
-  }
-
-  componentWillUnmount (e) {
-    window.removeEventListener('click', this.blurInputBlurHandler)
-  }
-
-  // Suggestは必ずInputの下に位置するようにする
-  componentDidUpdate () {
-    if (this.shouldShowSuggest()) {
-      let inputRect = ReactDOM.findDOMNode(this.refs.tagInput).getBoundingClientRect()
-      let suggestElement = ReactDOM.findDOMNode(this.refs.suggestTags)
-      if (suggestElement != null) {
-        suggestElement.style.top = inputRect.top + 20 + 'px'
-        suggestElement.style.left = inputRect.left + 'px'
-      }
-    }
-  }
-
-  shouldShowSuggest () {
-    return this.state.isInputFocused && isNotEmptyString(this.state.input)
-  }
-
-  addTag (tag, clearInput = true) {
-    let tags = this.props.tags.slice(0)
-    let newTag = tag.trim()
-
-    if (newTag.length === 0 && clearInput) {
-      this.setState({input: ''})
-      return
-    }
-
-    tags.push(newTag)
-    tags = _.uniq(tags)
-
-    if (_.isFunction(this.props.onChange)) {
-      this.props.onChange(newTag, tags)
-    }
-    if (clearInput) this.setState({input: ''})
-  }
-
-  handleKeyDown (e) {
-    switch (e.keyCode) {
-      case 8:
-        {
-          if (this.state.input.length > 0) break
-          e.preventDefault()
-
-          let tags = this.props.tags.slice(0)
-          tags.pop()
-
-          this.props.onChange(null, tags)
-        }
-        break
-      case 13:
-        {
-          e.preventDefault()
-          this.addTag(this.state.input)
-        }
-    }
-  }
-
-  handleThisClick (e) {
-    ReactDOM.findDOMNode(this.refs.tagInput).focus()
-  }
-
-  handleInputFocus (e) {
-    this.setState({isInputFocused: true})
-  }
-
-  handleItemRemoveButton (tag) {
-    return e => {
-      e.stopPropagation()
-
-      let tags = this.props.tags.slice(0)
-      tags.splice(tags.indexOf(tag), 1)
-
-      if (_.isFunction(this.props.onChange)) {
-        this.props.onChange(null, tags)
-      }
-    }
-  }
-
-  handleSuggestClick (tag) {
-    return e => {
-      this.addTag(tag)
-    }
-  }
-
-  render () {
-    let { tags, suggestTags } = this.props
-
-    let tagElements = _.isArray(tags)
-      ? this.props.tags.map(tag => (
-        <div key={tag} className='TagSelect-tags-item'>
-          <button onClick={e => this.handleItemRemoveButton(tag)(e)} className='TagSelect-tags-item-remove'><i className='fa fa-fw fa-times'/></button>
-          <div className='TagSelect-tags-item-label'>{tag}</div>
-        </div>))
-      : null
-
-    let suggestElements = this.shouldShowSuggest() ? suggestTags
-        .filter(tag => {
-          return tag.match(this.state.input)
-        })
-        .map(tag => {
-          return <button onClick={e => this.handleSuggestClick(tag)(e)} key={tag}>{tag}</button>
-        })
-      : null
-
-    return (
-      <div className='TagSelect' onClick={e => this.handleThisClick(e)}>
-        <div className='TagSelect-tags'>
-          {tagElements}
-          <input
-            type='text'
-            onKeyDown={e => this.handleKeyDown(e)}
-            ref='tagInput'
-            valueLink={this.linkState('input')}
-            placeholder='Click here to add tags'
-            className='TagSelect-input'
-            onFocus={e => this.handleInputFocus(e)}
-          />
-        </div>
-        {suggestElements != null && suggestElements.length > 0
-          ? (
-            <div ref='suggestTags' className='TagSelect-suggest'>
-              {suggestElements}
-            </div>
-          )
-          : null
-        }
-      </div>
-    )
-  }
-}
-
-TagSelect.propTypes = {
-  tags: PropTypes.arrayOf(PropTypes.string),
-  onChange: PropTypes.func,
-  suggestTags: PropTypes.array
-}
-
-TagSelect.prototype.linkState = linkState
diff --git a/browser/components/markdown.styl b/browser/components/markdown.styl
new file mode 100644
index 00000000..2cd0f3e2
--- /dev/null
+++ b/browser/components/markdown.styl
@@ -0,0 +1,253 @@
+global-reset()
+
+borderColor = #D0D0D0 // using
+highlightenBorderColor = darken(borderColor, 20%)
+invBorderColor = #404849
+brandBorderColor = #3FB399
+
+focusBorderColor = #369DCD
+
+buttonBorderColor = #4C4C4C
+
+lightButtonColor = #898989
+
+hoverBackgroundColor= transparentify(#444, 4%) // using
+
+inactiveTextColor = #888 // using
+textColor = #4D4D4D // using
+backgroundColor= white
+fontSize= 14px // using
+
+shadowColor= #C5C5C5
+
+invBackgroundColor = #4C4C4C
+invTextColor = white
+
+btnColor = #888
+btnHighlightenColor = #000
+
+brandColor = #2BAC8F
+
+popupShadow = 0 0 5px 0 #888
+
+
+tableHeadBgColor = white
+tableOddBgColor = #F9F9F9
+tableEvenBgColor = white
+
+facebookColor= #3b5998
+githubBtn= #201F1F
+
+// using
+successBackgroundColor= #E0F0D9
+successTextColor= #3E753F
+errorBackgroundColor= #F2DEDE
+errorTextColor= #A64444
+infoBackgroundColor= #D9EDF7
+infoTextColor= #34708E
+
+popupZIndex= 500
+
+body
+  font-size 16px
+  padding 15px
+  font-family helvetica, arial, sans-serif
+  line-height 1.6
+  overflow-x hidden
+  user-select all
+  .katex
+    font 400 1.2em 'KaTeX_Main'
+    line-height 1.2em
+    white-space nowrap
+    text-indent 0
+  .katex .mfrac>.vlist>span:nth-child(2)
+    top 0 !important
+  .katex-error
+    background-color errorBackgroundColor
+    color errorTextColor
+    padding 5px
+    margin -5px
+    border-radius 5px
+div.math-rendered
+  text-align center
+.math-failed
+  background-color alpha(red, 0.1)
+  color darken(red, 15%)
+  padding 5px
+  margin 5px 0
+  border-radius 5px
+sup
+  position relative
+  top -.4em
+  font-size 0.8em
+  vertical-align top
+sub
+  position relative
+  bottom -.4em
+  font-size 0.8em
+  vertical-align top
+a
+  color brandColor
+  text-decoration none
+  padding 5px
+  border-radius 5px
+  margin -5px
+  transition .1s
+  display inline-block
+  img
+    vertical-align sub
+  &:hover
+    color lighten(brandColor, 5%)
+    text-decoration underline
+    background-color alpha(#FFC95C, 0.3)
+  &:visited
+    color brandColor
+  &.lineAnchor
+    padding 0
+    margin 0
+    display block
+    font-size 0
+    height 0
+hr
+  border-top none
+  border-bottom solid 1px borderColor
+  margin 15px 0
+h1, h2, h3, h4, h5, h6
+  font-weight bold
+h1
+  font-size 2.25em
+  padding-bottom 0.3em
+  line-height 1.2em
+  border-bottom solid 1px borderColor
+  margin 1em 0 0.44em
+  &:first-child
+    margin-top 0
+h2
+  font-size 1.75em
+  padding-bottom 0.3em
+  line-height 1.225em
+  border-bottom solid 1px borderColor
+  margin 1em 0 0.57em
+  &:first-child
+    margin-top 0
+h3
+  font-size 1.5em
+  line-height 1.43em
+  margin 1em 0 0.66em
+h4
+  font-size 1.25em
+  line-height 1.4em
+  margin 1em 0 0.8em
+h5
+  font-size 1em
+  line-height 1.4em
+  margin 1em 0 1em
+h6
+  font-size 1em
+  line-height 1.4em
+  margin 1em 0 1em
+  color #777
+
+*:not(a.lineAnchor) + p, *:not(a.lineAnchor) + blockquote, *:not(a.lineAnchor) + ul, *:not(a.lineAnchor) + ol, *:not(a.lineAnchor) + pre
+  margin-top 1em
+p
+  line-height 1.6em
+  margin 0 0 1em
+  white-space pre-line
+img
+  max-width 100%
+strong, b
+  font-weight bold
+em, i
+  font-style italic
+s, del, strike
+  text-decoration line-through
+u
+  text-decoration underline
+blockquote
+  border-left solid 4px brandBorderColor
+  margin 0 0 1em
+  padding 0 25px
+ul
+  list-style-type disc
+  padding-left 2em
+  margin-bottom 1em
+  li
+    display list-item
+  &>li>ul, &>li>ol
+    margin 0
+  &>li>ul
+    list-style-type circle
+    &>li>ul
+      list-style-type square
+ol
+  list-style-type decimal
+  padding-left 2em
+  margin-bottom 1em
+  li
+    display list-item
+  &>li>ul, &>li>ol
+    margin 0
+code
+  padding 0.2em 0.4em
+  background-color #f7f7f7
+  border-radius 3px
+  font-size 0.85em
+  text-decoration none
+  margin-right 2px
+*:not(a.lineAnchor) + code
+  margin-left 2px
+pre
+  padding 0.5em !important
+  border solid 1px alpha(borderColor, 0.5)
+  border-radius 5px
+  overflow-x auto
+  margin 0 0 1em
+  line-height 1.35
+  code
+    margin 0
+    background-color inherit
+    padding 0
+    border none
+    border-radius 0
+    pre
+      border none
+      margin -5px
+  &>span.lineNumber
+    display none
+    float left
+    font-size 0.85em
+    margin 0 0.5em 0 -0.5em
+    border-right 1px solid
+    text-align right
+    &>span
+      display block
+      padding 0 .5em 0 1em
+table
+  display block
+  width 100%
+  margin 0 0 1em
+  thead
+    tr
+      background-color tableHeadBgColor
+    th
+      border-style solid
+      padding 6px 13px
+      line-height 1.6
+      border-width 1px 0 2px 1px
+      border-color borderColor
+      &:last-child
+        border-right solid 1px borderColor
+  tbody
+    tr:nth-child(2n + 1)
+      background-color tableOddBgColor
+    tr:nth-child(2n)
+      background-color tableEvenBgColor
+    td
+      border-style solid
+      padding 6px 13px
+      line-height 1.6
+      border-width 0 0 1px 1px
+      border-color borderColor
+      &:last-child
+        border-right solid 1px borderColor
diff --git a/browser/finder/index.js b/browser/finder/index.js
index 8012346a..9ecb2753 100644
--- a/browser/finder/index.js
+++ b/browser/finder/index.js
@@ -49,7 +49,7 @@ function notify (title, options) {
   return new window.Notification(title, options)
 }
 
-require('../styles/finder/index.styl')
+require('!!style!css!stylus?sourceMap!../styles/finder/index.styl')
 
 const FOLDER_FILTER = 'FOLDER_FILTER'
 const FOLDER_EXACT_FILTER = 'FOLDER_EXACT_FILTER'
diff --git a/browser/lib/CSSModules.js b/browser/lib/CSSModules.js
new file mode 100644
index 00000000..181274f4
--- /dev/null
+++ b/browser/lib/CSSModules.js
@@ -0,0 +1,5 @@
+import CSSModules from 'react-css-modules'
+
+export default function (component, styles) {
+  return CSSModules(component, styles, {errorWhenNotFound: false})
+}
diff --git a/browser/lib/clientKey.js b/browser/lib/clientKey.js
index e827b2d8..5d5c1f3c 100644
--- a/browser/lib/clientKey.js
+++ b/browser/lib/clientKey.js
@@ -4,7 +4,7 @@ import keygen from './keygen'
 function getClientKey () {
   let clientKey = localStorage.getItem('clientKey')
   if (!_.isString(clientKey) || clientKey.length !== 40) {
-    clientKey = keygen()
+    clientKey = keygen(20)
     setClientKey(clientKey)
   }
 
diff --git a/browser/lib/consts.js b/browser/lib/consts.js
new file mode 100644
index 00000000..0ebec02a
--- /dev/null
+++ b/browser/lib/consts.js
@@ -0,0 +1,22 @@
+const consts = {
+  FOLDER_COLORS: [
+    '#E10051',
+    '#FF8E00',
+    '#E8D252',
+    '#3FD941',
+    '#30D5C8',
+    '#2BA5F7',
+    '#B013A4'
+  ],
+  FOLDER_COLOR_NAMES: [
+    'Razzmatazz (Red)',
+    'Pizazz (Orange)',
+    'Confetti (Yellow)',
+    'Emerald (Green)',
+    'Turquoise',
+    'Dodger Blue',
+    'Violet Eggplant'
+  ]
+}
+
+module.exports = consts
diff --git a/browser/lib/fetchConfig.js b/browser/lib/fetchConfig.js
deleted file mode 100644
index e1d40dd4..00000000
--- a/browser/lib/fetchConfig.js
+++ /dev/null
@@ -1,24 +0,0 @@
-const electron = require('electron')
-const remote = electron.remote
-const jetpack = require('fs-jetpack')
-
-const userDataPath = remote.app.getPath('userData')
-const configFile = 'config.json'
-
-const defaultConfig = {
-  'editor-font-size': '14',
-  'editor-font-family': 'Monaco, Consolas',
-  'editor-indent-type': 'space',
-  'editor-indent-size': '4',
-  'preview-font-size': '14',
-  'preview-font-family': 'Lato',
-  'switch-preview': 'blur',
-  'disable-direct-write': false,
-  'theme-ui': 'light',
-  'theme-code': 'xcode',
-  'theme-syntax': 'xcode'
-}
-
-export default function fetchConfig () {
-  return Object.assign({}, defaultConfig, JSON.parse(jetpack.cwd(userDataPath).read(configFile, 'utf-8')))
-}
diff --git a/browser/lib/keygen.js b/browser/lib/keygen.js
index da8cf6b1..8b9fdf5b 100644
--- a/browser/lib/keygen.js
+++ b/browser/lib/keygen.js
@@ -1,7 +1,7 @@
-var crypto = require('crypto')
+const crypto = require('crypto')
+const _ = require('lodash')
 
-module.exports = function () {
-  var shasum = crypto.createHash('sha1')
-  shasum.update(((new Date()).getTime() + Math.round(Math.random()*1000)).toString())
-  return shasum.digest('hex')
+module.exports = function (length) {
+  if (!_.isFinite(length)) length = 6
+  return crypto.randomBytes(length).toString('hex')
 }
diff --git a/browser/lib/linkState.js b/browser/lib/linkState.js
deleted file mode 100644
index 2b874615..00000000
--- a/browser/lib/linkState.js
+++ /dev/null
@@ -1,36 +0,0 @@
-function getIn (object, path) {
-  let stack = path.split('.')
-  while (stack.length > 1) {
-    object = object[stack.shift()]
-  }
-  return object[stack.shift()]
-}
-
-function updateIn (object, path, value) {
-  let current = object
-  let stack = path.split('.')
-  while (stack.length > 1) {
-    current = current[stack.shift()]
-  }
-  current[stack.shift()] = value
-  return object
-}
-
-function setPartialState (component, path, value) {
-  component.setState(
-    updateIn(component.state, path, value))
-}
-
-export default function linkState (path) {
-  return {
-    value: getIn(this.state, path),
-    requestChange: setPartialState.bind(null, this, path)
-  }
-}
-
-export function linkState2 (el, path) {
-  return {
-    value: getIn(el.state, path),
-    requestChange: setPartialState.bind(null, el, path)
-  }
-}
diff --git a/browser/lib/markdown.js b/browser/lib/markdown.js
index d8636f8e..9667bf80 100644
--- a/browser/lib/markdown.js
+++ b/browser/lib/markdown.js
@@ -3,6 +3,8 @@ import emoji from 'markdown-it-emoji'
 import math from '@rokt33r/markdown-it-math'
 import hljs from 'highlight.js'
 
+const katex = window.katex
+
 function createGutter (str) {
   let lc = (str.match(/\n/g) || []).length
   let lines = []
@@ -39,10 +41,22 @@ md.use(emoji, {
 })
 md.use(math, {
   inlineRenderer: function (str) {
-    return `<span class='math'>${str}</span>`
+    let output = ''
+    try {
+      output = katex.renderToString(str.trim())
+    } catch (err) {
+      output = `<span class="katex-error">${err.message}</span>`
+    }
+    return output
   },
   blockRenderer: function (str) {
-    return `<div class='math'>${str}</div>`
+    let output = ''
+    try {
+      output = katex.renderToString(str.trim(), {displayMode: true})
+    } catch (err) {
+      output = `<div class="katex-error">${err.message}</div>`
+    }
+    return output
   }
 })
 md.use(require('markdown-it-checkbox'))
diff --git a/browser/lib/modes.js b/browser/lib/modes.js
index 256769cf..2ea68258 100644
--- a/browser/lib/modes.js
+++ b/browser/lib/modes.js
@@ -1,90 +1,9 @@
 const modes = [
-  // Major
   {
     name: 'text',
     label: 'Plain text',
     mode: 'text'
   },
-  {
-    name: 'markdown',
-    label: 'Markdown',
-    alias: ['md'],
-    mode: 'markdown'
-  },
-  {
-    name: 'javascript',
-    label: 'JavaScript',
-    alias: ['js', 'jscript', 'babel', 'es'],
-    mode: 'javascript'
-  },
-  {
-    name: 'html',
-    label: 'HTML',
-    alias: [],
-    mode: 'html'
-  },
-  {
-    name: 'css',
-    label: 'CSS',
-    alias: ['cascade', 'stylesheet'],
-    mode: 'css'
-  },
-  {
-    name: 'php',
-    label: 'PHP',
-    alias: [],
-    mode: 'php'
-  },
-  {
-    name: 'python',
-    label: 'Python',
-    alias: ['py'],
-    mode: 'python'
-  },
-  {
-    name: 'ruby',
-    label: 'Ruby',
-    alias: ['rb'],
-    mode: 'ruby'
-  },
-  {
-    name: 'java',
-    label: 'Java',
-    alias: [],
-    mode: 'java'
-  },
-  {
-    name: 'c',
-    label: 'C',
-    alias: ['c', 'h', 'clang', 'clang'],
-    mode: 'c_cpp'
-  },
-  {
-    name: 'cpp',
-    label: 'C++',
-    alias: ['cc', 'cpp', 'cxx', 'hh', 'c++', 'cplusplus'],
-    mode: 'c_cpp'
-  },
-  {
-    name: 'csharp',
-    label: 'C#',
-    alias: ['cs', 'c#'],
-    mode: 'csharp'
-  },
-  {
-    name: 'swift',
-    label: 'Swift',
-    alias: [],
-    mode: 'swift'
-  },
-  {
-    name: 'golang',
-    label: 'Go',
-    alias: ['go'],
-    mode: 'golang'
-  },
-
-  // Minor
   {
     name: 'abap',
     label: 'ABAP',
@@ -145,6 +64,12 @@ const modes = [
     alias: ['dos', 'windows', 'bat', 'cmd', 'btm'],
     mode: 'batchfile'
   },
+  {
+    name: 'c',
+    label: 'C',
+    alias: ['c', 'h', 'clang', 'clang'],
+    mode: 'c_cpp'
+  },
   {
     name: 'cirru',
     label: 'Cirru',
@@ -175,6 +100,24 @@ const modes = [
     alias: ['cfm', 'cfc'],
     mode: 'coldfusion'
   },
+  {
+    name: 'cpp',
+    label: 'C++',
+    alias: ['cc', 'cpp', 'cxx', 'hh', 'c++', 'cplusplus'],
+    mode: 'c_cpp'
+  },
+  {
+    name: 'csharp',
+    label: 'C#',
+    alias: ['cs', 'c#'],
+    mode: 'csharp'
+  },
+  {
+    name: 'css',
+    label: 'CSS',
+    alias: ['cascade', 'stylesheet'],
+    mode: 'css'
+  },
   {
     name: 'curly',
     label: 'Curly',
@@ -283,6 +226,12 @@ const modes = [
     alias: ['opengl', 'shading'],
     mode: 'glsl'
   },
+  {
+    name: 'golang',
+    label: 'Go',
+    alias: ['go'],
+    mode: 'golang'
+  },
   {
     name: 'groovy',
     label: 'Groovy',
@@ -313,6 +262,12 @@ const modes = [
     alias: ['hx', 'hxml'],
     mode: 'haxe'
   },
+  {
+    name: 'html',
+    label: 'HTML',
+    alias: [],
+    mode: 'html'
+  },
   {
     name: 'html_ruby',
     label: 'HTML (Ruby)',
@@ -355,6 +310,18 @@ const modes = [
     alias: [],
     mode: 'jade'
   },
+  {
+    name: 'java',
+    label: 'Java',
+    alias: [],
+    mode: 'java'
+  },
+  {
+    name: 'javascript',
+    label: 'JavaScript',
+    alias: ['js', 'jscript', 'babel', 'es'],
+    mode: 'javascript'
+  },
   {
     name: 'json',
     label: 'JSON',
@@ -451,6 +418,12 @@ const modes = [
     alias: [],
     mode: 'makefile'
   },
+  {
+    name: 'markdown',
+    label: 'Markdown',
+    alias: ['md'],
+    mode: 'markdown'
+  },
   {
     name: 'mask',
     label: 'Mask',
@@ -529,6 +502,12 @@ const modes = [
     alias: ['postgres'],
     mode: 'pgsql'
   },
+  {
+    name: 'php',
+    label: 'PHP',
+    alias: [],
+    mode: 'php'
+  },
   {
     name: 'powershell',
     label: 'PowerShell',
@@ -559,6 +538,12 @@ const modes = [
     alias: ['protocol', 'buffers'],
     mode: 'protobuf'
   },
+  {
+    name: 'python',
+    label: 'Python',
+    alias: ['py'],
+    mode: 'python'
+  },
   {
     name: 'r',
     label: 'R',
@@ -571,6 +556,12 @@ const modes = [
     alias: [],
     mode: 'rdoc'
   },
+  {
+    name: 'ruby',
+    label: 'Ruby',
+    alias: ['rb'],
+    mode: 'ruby'
+  },
   {
     name: 'rust',
     label: 'Rust',
@@ -667,6 +658,12 @@ const modes = [
     alias: [],
     mode: 'svg'
   },
+  {
+    name: 'swift',
+    label: 'Swift',
+    alias: [],
+    mode: 'swift'
+  },
   {
     name: 'swig',
     label: 'SWIG',
diff --git a/browser/lib/openExternal.js b/browser/lib/openExternal.js
deleted file mode 100644
index 7d4d2e55..00000000
--- a/browser/lib/openExternal.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const electron = require('electron')
-const shell = electron.shell
-
-export default function (e) {
-  shell.openExternal(e.currentTarget.href)
-  e.preventDefault()
-}
diff --git a/browser/lib/search.js b/browser/lib/search.js
deleted file mode 100644
index 0a8d7a3a..00000000
--- a/browser/lib/search.js
+++ /dev/null
@@ -1,40 +0,0 @@
-'use strict'
-
-var _ = require('lodash')
-
-const TEXT_FILTER = 'TEXT_FILTER'
-const FOLDER_FILTER = 'FOLDER_FILTER'
-const TAG_FILTER = 'TAG_FILTER'
-
-export default function search (articles, search) {
-  let filters = search.split(' ').map(key => key.trim()).filter(key => key.length > 0 && !key.match(/^#$/)).map(key => {
-    if (key.match(/^in:.+$/)) {
-      return {type: FOLDER_FILTER, value: key.match(/^in:(.+)$/)[1]}
-    }
-    if (key.match(/^#(.+)/)) {
-      return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
-    }
-    return {type: TEXT_FILTER, value: key}
-  })
-  // let folderFilters = filters.filter(filter => filter.type === FOLDER_FILTER)
-  let textFilters = filters.filter(filter => filter.type === TEXT_FILTER)
-  let tagFilters = filters.filter(filter => filter.type === TAG_FILTER)
-
-  if (textFilters.length > 0) {
-    articles = textFilters.reduce((articles, textFilter) => {
-      return articles.filter(article => {
-        return article.title.match(new RegExp(textFilter.value, 'i')) || article.content.match(new RegExp(textFilter.value, 'i'))
-      })
-    }, articles)
-  }
-
-  if (tagFilters.length > 0) {
-    articles = tagFilters.reduce((articles, tagFilter) => {
-      return articles.filter(article => {
-        return _.find(article.Tags, tag => tag.name.match(new RegExp(tagFilter.value, 'i')))
-      })
-    }, articles)
-  }
-
-  return articles
-}
diff --git a/browser/main/Detail/Detail.styl b/browser/main/Detail/Detail.styl
new file mode 100644
index 00000000..8d2374ce
--- /dev/null
+++ b/browser/main/Detail/Detail.styl
@@ -0,0 +1,17 @@
+.root
+  absolute top bottom right
+  border-width 1px 0
+  border-style solid
+  border-color $ui-borderColor
+
+.empty
+  height 320px
+  display flex
+  align-items center
+
+.empty-message
+  width 100%
+  font-size 42px
+  line-height 72px
+  text-align center
+  color $ui-inactive-text-color
diff --git a/browser/main/Detail/FolderSelect.js b/browser/main/Detail/FolderSelect.js
new file mode 100644
index 00000000..dd23616c
--- /dev/null
+++ b/browser/main/Detail/FolderSelect.js
@@ -0,0 +1,286 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './FolderSelect.styl'
+import _ from 'lodash'
+
+class FolderSelect extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      status: 'IDLE',
+      search: '',
+      optionIndex: -1
+    }
+  }
+
+  componentDidMount () {
+    this.value = this.props.value
+  }
+
+  componentDidUpdate () {
+    this.value = this.props.value
+  }
+
+  handleClick (e) {
+    this.setState({
+      status: 'SEARCH',
+      optionIndex: -1
+    }, () => {
+      this.refs.search.focus()
+    })
+  }
+
+  handleFocus (e) {
+    if (this.state.status === 'IDLE') {
+      this.setState({
+        status: 'FOCUS'
+      })
+    }
+  }
+
+  handleBlur (e) {
+    if (this.state.status === 'FOCUS') {
+      this.setState({
+        status: 'IDLE'
+      })
+    }
+  }
+
+  handleKeyDown (e) {
+    switch (e.keyCode) {
+      case 13:
+        if (this.state.status === 'FOCUS') {
+          this.setState({
+            status: 'SEARCH',
+            optionIndex: -1
+          }, () => {
+            this.refs.search.focus()
+          })
+        }
+        break
+      case 40:
+      case 38:
+        if (this.state.status === 'FOCUS') {
+          this.setState({
+            status: 'SEARCH',
+            optionIndex: 0
+          }, () => {
+            this.refs.search.focus()
+          })
+        }
+        break
+      case 9:
+        if (e.shiftKey) {
+          e.preventDefault()
+          let tabbable = document.querySelectorAll('a:not([disabled]), button:not([disabled]), input[type=text]:not([disabled]), [tabindex]:not([disabled]):not([tabindex="-1"])')
+          let previousEl = tabbable[Array.prototype.indexOf.call(tabbable, this.refs.root) - 1]
+          if (previousEl != null) previousEl.focus()
+        }
+    }
+  }
+
+  handleSearchInputBlur (e) {
+    if (e.relatedTarget !== this.refs.root) {
+      this.setState({
+        status: 'IDLE'
+      })
+    }
+  }
+
+  handleSearchInputChange (e) {
+    let { folders } = this.props
+    let search = this.refs.search.value
+    let optionIndex = search.length > 0
+      ? _.findIndex(folders, (folder) => {
+        return folder.name.match(new RegExp('^' + _.escapeRegExp(search), 'i'))
+      })
+      : -1
+
+    this.setState({
+      search: this.refs.search.value,
+      optionIndex: optionIndex
+    })
+  }
+
+  handleSearchInputKeyDown (e) {
+    switch (e.keyCode) {
+      case 40:
+        e.stopPropagation()
+        this.nextOption()
+        break
+      case 38:
+        e.stopPropagation()
+        this.previousOption()
+        break
+      case 13:
+        e.stopPropagation()
+        this.selectOption()
+        break
+      case 27:
+        e.stopPropagation()
+        this.setState({
+          status: 'FOCUS'
+        }, () => {
+          this.refs.root.focus()
+        })
+    }
+  }
+
+  nextOption () {
+    let { storages } = this.props
+    let { optionIndex } = this.state
+
+    optionIndex++
+    if (optionIndex >= folders.length) optionIndex = 0
+
+    this.setState({
+      optionIndex
+    })
+  }
+
+  previousOption () {
+    let { folders } = this.props
+    let { optionIndex } = this.state
+
+    optionIndex--
+    if (optionIndex < 0) optionIndex = folders.length - 1
+
+    this.setState({
+      optionIndex
+    })
+  }
+
+  selectOption () {
+    let { folders } = this.props
+    let optionIndex = this.state.optionIndex
+
+    let folder = folders[optionIndex]
+    if (folder != null) {
+      this.setState({
+        status: 'FOCUS'
+      }, () => {
+        this.setValue(folder.key)
+        this.refs.root.focus()
+      })
+    }
+  }
+
+  handleOptionClick (storageKey, folderKey) {
+    return (e) => {
+      e.stopPropagation()
+      this.setState({
+        status: 'FOCUS'
+      }, () => {
+        this.setValue(storageKey + '-' + folderKey)
+        this.refs.root.focus()
+      })
+    }
+  }
+
+  setValue (value) {
+    this.value = value
+    this.props.onChange()
+  }
+
+  render () {
+    let { className, storages, value } = this.props
+    let splitted = value.split('-')
+    let storageKey = splitted.shift()
+    let folderKey = splitted.shift()
+    let options = []
+    storages.forEach((storage, index) => {
+      storage.folders.forEach((folder) => {
+        options.push({
+          storage: storage,
+          folder: folder
+        })
+      })
+    })
+
+    let currentOption = options.filter((option) => option.storage.key === storageKey && option.folder.key === folderKey)[0]
+
+    let optionList = options
+      .map((option, index) => {
+        return (
+          <div styleName={index === this.state.optionIndex
+              ? 'search-optionList-item--active'
+              : 'search-optionList-item'
+            }
+            key={option.storage.key + '-' + option.folder.key}
+            onClick={(e) => this.handleOptionClick(option.storage.key, option.folder.key)(e)}
+          >
+            <span styleName='search-optionList-item-name'
+              style={{borderColor: option.folder.color}}
+            >
+              {option.folder.name}
+              <span styleName='search-optionList-item-name-surfix'>in {option.storage.name}</span>
+            </span>
+          </div>
+        )
+      })
+
+    return (
+      <div className={_.isString(className)
+          ? 'FolderSelect ' + className
+          : 'FolderSelect'
+        }
+        styleName={this.state.status === 'SEARCH'
+          ? 'root--search'
+          : this.state.status === 'FOCUS'
+          ? 'root--focus'
+          : 'root'
+        }
+        ref='root'
+        tabIndex='0'
+        onClick={(e) => this.handleClick(e)}
+        onFocus={(e) => this.handleFocus(e)}
+        onBlur={(e) => this.handleBlur(e)}
+        onKeyDown={(e) => this.handleKeyDown(e)}
+      >
+        {this.state.status === 'SEARCH'
+          ? <div styleName='search'>
+            <input styleName='search-input'
+              ref='search'
+              value={this.state.search}
+              placeholder='Folder...'
+              onChange={(e) => this.handleSearchInputChange(e)}
+              onBlur={(e) => this.handleSearchInputBlur(e)}
+              onKeyDown={(e) => this.handleSearchInputKeyDown(e)}
+            />
+            <div styleName='search-optionList'
+              ref='optionList'
+            >
+              {optionList}
+            </div>
+          </div>
+          : <div styleName='idle'>
+            <div styleName='idle-label'>
+              <span styleName='idle-label-name'
+                style={{borderColor: currentOption.folder.color}}
+              >
+                {currentOption.folder.name}
+                <span styleName='idle-label-name-surfix'>in {currentOption.storage.name}</span>
+              </span>
+            </div>
+            <i styleName='idle-caret' className='fa fa-fw fa-caret-down'/>
+          </div>
+        }
+
+      </div>
+    )
+  }
+}
+
+FolderSelect.propTypes = {
+  className: PropTypes.string,
+  onChange: PropTypes.func,
+  value: PropTypes.string,
+  folders: PropTypes.arrayOf(PropTypes.shape({
+    key: PropTypes.string,
+    name: PropTypes.string,
+    color: PropTypes.string
+  }))
+}
+
+export default CSSModules(FolderSelect, styles)
diff --git a/browser/main/Detail/FolderSelect.styl b/browser/main/Detail/FolderSelect.styl
new file mode 100644
index 00000000..7aa61364
--- /dev/null
+++ b/browser/main/Detail/FolderSelect.styl
@@ -0,0 +1,88 @@
+.root
+  position relative
+  border solid 1px transparent
+  line-height 34px
+  vertical-align middle
+  border-radius 2px
+  transition 0.15s
+  user-select none
+  &:hover
+    background-color white
+    border-color $ui-borderColor
+
+.root--search, .root--focus
+  @extend .root
+  background-color white
+  border-color $ui-input--focus-borderColor
+  &:hover
+    background-color white
+    border-color $ui-input--focus-borderColor
+
+.idle
+  position relative
+  cursor pointer
+.idle-label
+  absolute left top
+  padding 0 0 0 5px
+  right 20px
+  overflow ellipsis
+
+.idle-label-name
+  border-left solid 4px transparent
+  padding 2px 5px
+.idle-label-name-surfix
+  font-size 10px
+  color $ui-inactive-text-color
+  margin-left 5px
+.idle-caret
+  absolute right top
+  height 34px
+  width 20px
+  line-height 34px
+
+.search
+  absolute top left right bottom
+  line-height 34px
+
+.search-input
+  vertical-align middle
+  position relative
+  top -2px
+  outline none
+  border none
+  height 20px
+  line-height 20px
+  background-color transparent
+  padding 0 10px
+
+.search-optionList
+  position fixed
+  border $ui-border
+  z-index 200
+  background-color white
+  border-radius 2px
+
+.search-optionList-item
+  height 34px
+  width 250px
+  box-sizing border-box
+  padding 0 5px
+  overflow ellipsis
+  cursor pointer
+  &:hover
+    background-color $ui-button--hover-backgroundColor
+
+.search-optionList-item--active
+  @extend .search-optionList-item
+  background-color $ui-button--active-backgroundColor
+  color $ui-button--active-color
+  &:hover
+    background-color $ui-button--active-backgroundColor
+    color $ui-button--active-color
+.search-optionList-item-name
+  border-left solid 4px transparent
+  padding 2px 5px
+.search-optionList-item-name-surfix
+  font-size 10px
+  color $ui-inactive-text-color
+  margin-left 5px
diff --git a/browser/main/Detail/MarkdownNoteDetail.js b/browser/main/Detail/MarkdownNoteDetail.js
new file mode 100644
index 00000000..6cb7ede3
--- /dev/null
+++ b/browser/main/Detail/MarkdownNoteDetail.js
@@ -0,0 +1,291 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './MarkdownNoteDetail.styl'
+import MarkdownEditor from 'browser/components/MarkdownEditor'
+import StarButton from './StarButton'
+import TagSelect from './TagSelect'
+import FolderSelect from './FolderSelect'
+import dataApi from 'browser/main/lib/dataApi'
+import { hashHistory } from 'react-router'
+import ee from 'browser/main/lib/eventEmitter'
+
+const electron = require('electron')
+const { remote } = electron
+const Menu = remote.Menu
+const MenuItem = remote.MenuItem
+
+class MarkdownNoteDetail extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      note: Object.assign({
+        title: '',
+        content: '',
+        isMovingNote: false,
+        isDeleting: false
+      }, props.note)
+    }
+    this.dispatchTimer = null
+  }
+
+  focus () {
+    this.refs.content.focus()
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.note.key !== this.props.note.key && !this.isMovingNote) {
+      this.setState({
+        note: Object.assign({}, nextProps.note),
+        isDeleting: false
+      }, () => {
+        this.refs.content.reload()
+        this.refs.tags.reset()
+      })
+    }
+  }
+
+  findTitle (value) {
+    let splitted = value.split('\n')
+    let title = null
+
+    for (let i = 0; i < splitted.length; i++) {
+      let trimmedLine = splitted[i].trim()
+      if (trimmedLine.match(/^# .+/)) {
+        title = trimmedLine.substring(1, trimmedLine.length).trim()
+        break
+      }
+    }
+
+    if (title == null) {
+      for (let i = 0; i < splitted.length; i++) {
+        let trimmedLine = splitted[i].trim()
+        if (trimmedLine.length > 0) {
+          title = trimmedLine
+          break
+        }
+      }
+      if (title == null) {
+        title = ''
+      }
+    }
+
+    return title
+  }
+
+  handleChange (e) {
+    let { note } = this.state
+
+    note.content = this.refs.content.value
+    note.tags = this.refs.tags.value
+    note.title = this.findTitle(note.content)
+    note.updatedAt = new Date()
+
+    this.setState({
+      note
+    }, () => {
+      this.save()
+    })
+  }
+
+  save () {
+    let { note, dispatch } = this.props
+
+    dispatch({
+      type: 'UPDATE_NOTE',
+      note: this.state.note
+    })
+
+    dataApi
+      .updateNote(note.storage, note.folder, note.key, this.state.note)
+  }
+
+  handleFolderChange (e) {
+    let { note } = this.state
+    let value = this.refs.folder.value
+    let splitted = value.split('-')
+    let newStorageKey = splitted.shift()
+    let newFolderKey = splitted.shift()
+
+    dataApi
+      .moveNote(note.storage, note.folder, note.key, newStorageKey, newFolderKey)
+      .then((newNote) => {
+        this.setState({
+          isMovingNote: true,
+          note: Object.assign({}, newNote)
+        }, () => {
+          let { dispatch, location } = this.props
+          dispatch({
+            type: 'MOVE_NOTE',
+            note: note,
+            newNote: newNote
+          })
+          hashHistory.replace({
+            pathname: location.pathname,
+            query: {
+              key: newNote.uniqueKey
+            }
+          })
+          this.setState({
+            isMovingNote: false
+          })
+        })
+      })
+  }
+
+  handleStarButtonClick (e) {
+    let { note } = this.state
+
+    note.isStarred = !note.isStarred
+
+    this.setState({
+      note
+    }, () => {
+      this.save()
+    })
+  }
+
+  exportAsFile () {
+
+  }
+
+  handleShareButtonClick (e) {
+    let menu = new Menu()
+    menu.append(new MenuItem({
+      label: 'Export as a File',
+      click: (e) => this.handlePreferencesButtonClick(e)
+    }))
+    menu.append(new MenuItem({
+      label: 'Export to Web',
+      disabled: true,
+      click: (e) => this.handlePreferencesButtonClick(e)
+    }))
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleContextButtonClick (e) {
+    let menu = new Menu()
+    menu.append(new MenuItem({
+      label: 'Delete',
+      click: (e) => this.handleDeleteMenuClick(e)
+    }))
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleDeleteMenuClick (e) {
+    this.setState({
+      isDeleting: true
+    })
+  }
+
+  handleDeleteConfirmButtonClick (e) {
+    let { note, dispatch } = this.props
+    dataApi
+      .removeNote(note.storage, note.folder, note.key)
+      .then(() => {
+        let dispatchHandler = () => {
+          dispatch({
+            type: 'REMOVE_NOTE',
+            note: note
+          })
+        }
+        ee.once('list:moved', dispatchHandler)
+        ee.emit('list:next')
+      })
+  }
+
+  handleDeleteCancelButtonClick (e) {
+    this.setState({
+      isDeleting: false
+    })
+  }
+
+  render () {
+    let { storages, config } = this.props
+    let { note } = this.state
+
+    return (
+      <div className='NoteDetail'
+        style={this.props.style}
+        styleName='root'
+      >
+        {this.state.isDeleting
+          ? <div styleName='info'>
+            <div styleName='info-delete'>
+
+              <span styleName='info-delete-message'>
+                Are you sure to delete this note?
+              </span>
+              <button styleName='info-delete-cancelButton'
+                onClick={(e) => this.handleDeleteCancelButtonClick(e)}
+              >Cancel</button>
+              <button styleName='info-delete-confirmButton'
+                onClick={(e) => this.handleDeleteConfirmButtonClick(e)}
+              >Confirm</button>
+            </div>
+          </div>
+          : <div styleName='info'>
+            <div styleName='info-left'>
+              <div styleName='info-left-top'>
+                <FolderSelect styleName='info-left-top-folderSelect'
+                  value={this.state.note.storage + '-' + this.state.note.folder}
+                  ref='folder'
+                  storages={storages}
+                  onChange={(e) => this.handleFolderChange(e)}
+                />
+              </div>
+              <div styleName='info-left-bottom'>
+                <TagSelect
+                  styleName='info-left-bottom-tagSelect'
+                  ref='tags'
+                  value={this.state.note.tags}
+                  onChange={(e) => this.handleChange(e)}
+                />
+              </div>
+            </div>
+            <div styleName='info-right'>
+              <StarButton styleName='info-right-button'
+                onClick={(e) => this.handleStarButtonClick(e)}
+                isActive={note.isStarred}
+              />
+              <button styleName='info-right-button'
+                onClick={(e) => this.handleShareButtonClick(e)}
+              >
+                <i className='fa fa-share-alt fa-fw'/>
+              </button>
+              <button styleName='info-right-button'
+                onClick={(e) => this.handleContextButtonClick(e)}
+              >
+                <i className='fa fa-ellipsis-v'/>
+              </button>
+            </div>
+          </div>
+        }
+        <div styleName='body'>
+          <MarkdownEditor
+            ref='content'
+            styleName='body-noteEditor'
+            config={config}
+            value={this.state.note.content}
+            onChange={(e) => this.handleChange(e)}
+            ignorePreviewPointerEvents={this.props.ignorePreviewPointerEvents}
+          />
+        </div>
+      </div>
+    )
+  }
+}
+
+MarkdownNoteDetail.propTypes = {
+  dispatch: PropTypes.func,
+  repositories: PropTypes.array,
+  note: PropTypes.shape({
+
+  }),
+  style: PropTypes.shape({
+    left: PropTypes.number
+  }),
+  ignorePreviewPointerEvents: PropTypes.bool
+}
+
+export default CSSModules(MarkdownNoteDetail, styles)
diff --git a/browser/main/Detail/MarkdownNoteDetail.styl b/browser/main/Detail/MarkdownNoteDetail.styl
new file mode 100644
index 00000000..0def79e6
--- /dev/null
+++ b/browser/main/Detail/MarkdownNoteDetail.styl
@@ -0,0 +1,90 @@
+$info-height = 75px
+
+.root
+  absolute top bottom right
+  border-width 0 0 1px
+  border-style solid
+  border-color $ui-borderColor
+
+.info
+  absolute top left right
+  height $info-height
+  border-bottom $ui-border
+  background-color $ui-backgroundColor
+
+.info-delete
+  height 80px
+  clearfix()
+
+.info-delete-message
+  height 80px
+  line-height 80px
+  padding 0 25px
+  float left
+
+.info-delete-confirmButton
+  float right
+  margin 25px 5px 0
+  height 30px
+  padding 0 25px
+  border-radius 2px
+  border none
+  color $ui-text-color
+  colorDangerButton()
+
+.info-delete-cancelButton
+  float right
+  height 30px
+  margin 25px 5px 0
+  padding 0 25px
+  border $ui-border
+  border-radius 2px
+  color $ui-text-color
+  colorDefaultButton()
+
+.info-left
+  float left
+  padding 0 5px
+
+.info-left-top
+  height 40px
+  line-height 40px
+
+.info-left-top-folderSelect
+  display inline-block
+  height 34px
+  width 200px
+  vertical-align middle
+
+.info-left-bottom
+  height 30px
+
+.info-left-bottom-tagSelect
+  height 30px
+  line-height 30px
+
+.info-right
+  float right
+
+.info-right-button
+  width 34px
+  height 34px
+  border-radius 17px
+  navButtonColor()
+  border $ui-border
+  font-size 14px
+  margin 8px 2px
+  padding 0
+  &:active
+    border-color $ui-button--focus-borderColor
+  &:hover .left-control-newPostButton-tooltip
+    display block
+  &:focus
+    border-color $ui-button--focus-borderColor
+
+.body
+  absolute bottom left right
+  top $info-height
+
+.body-noteEditor
+  absolute top bottom left right
diff --git a/browser/main/Detail/SnippetNoteDetail.js b/browser/main/Detail/SnippetNoteDetail.js
new file mode 100644
index 00000000..d53a33dd
--- /dev/null
+++ b/browser/main/Detail/SnippetNoteDetail.js
@@ -0,0 +1,477 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './SnippetNoteDetail.styl'
+import CodeEditor from 'browser/components/CodeEditor'
+import StarButton from './StarButton'
+import TagSelect from './TagSelect'
+import FolderSelect from './FolderSelect'
+import dataApi from 'browser/main/lib/dataApi'
+import modes from 'browser/lib/modes'
+import { hashHistory } from 'react-router'
+import ee from 'browser/main/lib/eventEmitter'
+
+const electron = require('electron')
+const { remote } = electron
+const Menu = remote.Menu
+const MenuItem = remote.MenuItem
+
+class SnippetNoteDetail extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      snippetIndex: 0,
+      note: Object.assign({
+        description: ''
+      }, props.note, {
+        snippets: props.note.snippets.map((snippet) => Object.assign({}, snippet))
+      }),
+      isDeleting: false
+    }
+  }
+
+  focus () {
+    this.refs.description.focus()
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.note.key !== this.props.note.key) {
+      let nextNote = Object.assign({
+        description: ''
+      }, nextProps.note, {
+        snippets: nextProps.note.snippets.map((snippet) => Object.assign({}, snippet))
+      })
+      this.setState({
+        snippetIndex: 0,
+        note: nextNote,
+        isDeleting: false
+      }, () => {
+        let { snippets } = this.state.note
+        snippets.forEach((snippet, index) => {
+          this.refs['code-' + index].reload()
+        })
+        this.refs.tags.reset()
+      })
+    }
+  }
+
+  findTitle (value) {
+    let splitted = value.split('\n')
+    let title = null
+
+    for (let i = 0; i < splitted.length; i++) {
+      let trimmedLine = splitted[i].trim()
+      if (trimmedLine.match(/^# .+/)) {
+        title = trimmedLine.substring(1, trimmedLine.length).trim()
+        break
+      }
+    }
+
+    if (title == null) {
+      for (let i = 0; i < splitted.length; i++) {
+        let trimmedLine = splitted[i].trim()
+        if (trimmedLine.length > 0) {
+          title = trimmedLine
+          break
+        }
+      }
+      if (title == null) {
+        title = ''
+      }
+    }
+
+    return title
+  }
+
+  handleChange (e) {
+    let { note } = this.state
+
+    note.tags = this.refs.tags.value
+    note.description = this.refs.description.value
+    note.updatedAt = new Date()
+    note.title = this.findTitle(note.description)
+
+    this.setState({
+      note
+    }, () => {
+      this.save()
+    })
+  }
+
+  save () {
+    let { note, dispatch } = this.props
+
+    dispatch({
+      type: 'UPDATE_NOTE',
+      note: this.state.note
+    })
+
+    dataApi
+      .updateNote(note.storage, note.folder, note.key, this.state.note)
+  }
+
+  handleFolderChange (e) {
+    let { note } = this.state
+    let value = this.refs.folder.value
+    let splitted = value.split('-')
+    let newStorageKey = splitted.shift()
+    let newFolderKey = splitted.shift()
+
+    dataApi
+      .moveNote(note.storage, note.folder, note.key, newStorageKey, newFolderKey)
+      .then((newNote) => {
+        this.setState({
+          isMovingNote: true,
+          note: Object.assign({}, newNote)
+        }, () => {
+          let { dispatch, location } = this.props
+          dispatch({
+            type: 'MOVE_NOTE',
+            note: note,
+            newNote: newNote
+          })
+          hashHistory.replace({
+            pathname: location.pathname,
+            query: {
+              key: newNote.uniqueKey
+            }
+          })
+          this.setState({
+            isMovingNote: false
+          })
+        })
+      })
+  }
+
+  handleStarButtonClick (e) {
+    let { note } = this.state
+
+    note.isStarred = !note.isStarred
+
+    this.setState({
+      note
+    }, () => {
+      this.save()
+    })
+  }
+
+  exportAsFile () {
+
+  }
+
+  handleShareButtonClick (e) {
+    let menu = new Menu()
+    menu.append(new MenuItem({
+      label: 'Export as a File',
+      disabled: true,
+      click: (e) => this.handlePreferencesButtonClick(e)
+    }))
+    menu.append(new MenuItem({
+      label: 'Export to Web',
+      disabled: true,
+      click: (e) => this.handlePreferencesButtonClick(e)
+    }))
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleContextButtonClick (e) {
+    let menu = new Menu()
+    menu.append(new MenuItem({
+      label: 'Delete',
+      click: (e) => this.handleDeleteMenuClick(e)
+    }))
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleDeleteMenuClick (e) {
+    this.setState({
+      isDeleting: true
+    })
+  }
+
+  handleDeleteConfirmButtonClick (e) {
+    let { note, dispatch } = this.props
+    dataApi
+      .removeNote(note.storage, note.folder, note.key)
+      .then(() => {
+        let dispatchHandler = () => {
+          dispatch({
+            type: 'REMOVE_NOTE',
+            note: note
+          })
+        }
+        ee.once('list:moved', dispatchHandler)
+        ee.emit('list:next')
+      })
+  }
+
+  handleDeleteCancelButtonClick (e) {
+    this.setState({
+      isDeleting: false
+    })
+  }
+
+  handleTabPlusButtonClick (e) {
+    let { note } = this.state
+
+    note.snippets = note.snippets.concat([{
+      name: '',
+      mode: 'text',
+      content: ''
+    }])
+
+    this.setState({
+      note
+    })
+  }
+
+  handleTabButtonClick (index) {
+    return (e) => {
+      this.setState({
+        snippetIndex: index
+      })
+    }
+  }
+
+  handleTabDeleteButtonClick (index) {
+    return (e) => {
+      if (this.state.note.snippets.length > 1) {
+        let snippets = this.state.note.snippets.slice()
+        snippets.splice(index, 1)
+        this.state.note.snippets = snippets
+        this.setState({
+          note: this.state.note
+        })
+      }
+    }
+  }
+
+  handleNameInputChange (index) {
+    return (e) => {
+      let snippets = this.state.note.snippets.slice()
+      snippets[index].name = e.target.value
+      this.state.note.snippets = snippets
+
+      this.setState({
+        note: this.state.note
+      }, () => {
+        this.save()
+      })
+    }
+  }
+
+  handleModeButtonClick (index) {
+    return (e) => {
+      let menu = new Menu()
+      modes.forEach((mode) => {
+        menu.append(new MenuItem({
+          label: mode.label,
+          click: (e) => this.handleModeOptionClick(index, mode.name)(e)
+        }))
+      })
+      menu.popup(remote.getCurrentWindow())
+    }
+  }
+
+  handleModeOptionClick (index, name) {
+    return (e) => {
+      let snippets = this.state.note.snippets.slice()
+      snippets[index].mode = name
+      this.state.note.snippets = snippets
+
+      this.setState({
+        note: this.state.note
+      }, () => {
+        this.save()
+      })
+    }
+  }
+
+  handleCodeChange (index) {
+    return (e) => {
+      let snippets = this.state.note.snippets.slice()
+      snippets[index].content = this.refs['code-' + index].value
+      this.state.note.snippets = snippets
+      this.setState({
+        note: this.state.note
+      }, () => {
+        this.save()
+      })
+    }
+  }
+
+  render () {
+    let { storages, config } = this.props
+    let { note } = this.state
+
+    let editorFontSize = parseInt(config.editor.fontSize, 10)
+    if (!(editorFontSize > 0 && editorFontSize < 101)) editorFontSize = 14
+    let editorIndentSize = parseInt(config.editor.indentSize, 10)
+    if (!(editorFontSize > 0 && editorFontSize < 132)) editorIndentSize = 4
+
+    let tabList = note.snippets.map((snippet, index) => {
+      let isActive = this.state.snippetIndex === index
+      return <div styleName={isActive
+          ? 'tabList-item--active'
+          : 'tabList-item'
+        }
+        key={index}
+      >
+        <button styleName='tabList-item-button'
+          onClick={(e) => this.handleTabButtonClick(index)(e)}
+        >
+          {snippet.name.trim().length > 0
+            ? snippet.name
+            : <span styleName='tabList-item-unnamed'>
+              Unnamed
+            </span>
+          }
+        </button>
+        {note.snippets.length > 1 &&
+          <button styleName='tabList-item-deleteButton'
+            onClick={(e) => this.handleTabDeleteButtonClick(index)(e)}
+          >
+            <i className='fa fa-times'/>
+          </button>
+        }
+      </div>
+    })
+    let viewList = note.snippets.map((snippet, index) => {
+      let isActive = this.state.snippetIndex === index
+      let mode = snippet.mode === 'text'
+        ? null
+        : modes.filter((mode) => mode.name === snippet.mode)[0]
+
+      return <div styleName='tabView'
+        key={index}
+        style={{zIndex: isActive ? 5 : 4}}
+      >
+        <div styleName='tabView-top'>
+          <input styleName='tabView-top-name'
+            placeholder='Filename including extensions...'
+            value={snippet.name}
+            onChange={(e) => this.handleNameInputChange(index)(e)}
+          />
+          <button styleName='tabView-top-mode'
+            onClick={(e) => this.handleModeButtonClick(index)(e)}
+          >
+            {mode == null
+              ? 'Select Syntax...'
+              : mode.label
+            }&nbsp;
+            <i className='fa fa-caret-down'/>
+          </button>
+        </div>
+        <CodeEditor styleName='tabView-content'
+          mode={snippet.mode}
+          value={snippet.content}
+          theme={config.editor.theme}
+          fontFamily={config.editor.fontFamily}
+          fontSize={editorFontSize}
+          indentType={config.editor.indentType}
+          indentSize={editorIndentSize}
+          onChange={(e) => this.handleCodeChange(index)(e)}
+          ref={'code-' + index}
+        />
+      </div>
+    })
+
+    return (
+      <div className='NoteDetail'
+        style={this.props.style}
+        styleName='root'
+      >
+        {this.state.isDeleting
+          ? <div styleName='info'>
+            <div styleName='info-delete'>
+
+              <span styleName='info-delete-message'>
+                Are you sure to delete this note?
+              </span>
+              <button styleName='info-delete-cancelButton'
+                onClick={(e) => this.handleDeleteCancelButtonClick(e)}
+              >Cancel</button>
+              <button styleName='info-delete-confirmButton'
+                onClick={(e) => this.handleDeleteConfirmButtonClick(e)}
+              >Confirm</button>
+            </div>
+          </div>
+          : <div styleName='info'>
+            <div styleName='info-left'>
+              <div styleName='info-left-top'>
+                <FolderSelect styleName='info-left-top-folderSelect'
+                  value={this.state.note.storage + '-' + this.state.note.folder}
+                  ref='folder'
+                  storages={storages}
+                  onChange={(e) => this.handleFolderChange(e)}
+                />
+              </div>
+              <div styleName='info-left-bottom'>
+                <TagSelect
+                  styleName='info-left-bottom-tagSelect'
+                  ref='tags'
+                  value={this.state.note.tags}
+                  onChange={(e) => this.handleChange(e)}
+                />
+              </div>
+            </div>
+            <div styleName='info-right'>
+              <StarButton styleName='info-right-button'
+                onClick={(e) => this.handleStarButtonClick(e)}
+                isActive={note.isStarred}
+              />
+              <button styleName='info-right-button'
+                onClick={(e) => this.handleShareButtonClick(e)}
+              >
+                <i className='fa fa-share-alt fa-fw'/>
+              </button>
+              <button styleName='info-right-button'
+                onClick={(e) => this.handleContextButtonClick(e)}
+              >
+                <i className='fa fa-ellipsis-v'/>
+              </button>
+            </div>
+          </div>
+        }
+
+        <div styleName='body'>
+          <div styleName='body-description'>
+            <textarea styleName='body-description-textarea'
+              style={{
+                fontFamily: config.preview.fontFamily,
+                fontSize: parseInt(config.preview.fontSize, 10)
+              }}
+              ref='description'
+              placeholder='Description...'
+              value={this.state.note.description}
+              onChange={(e) => this.handleChange(e)}
+            />
+          </div>
+          <div styleName='tabList'>
+            {tabList}
+            <button styleName='tabList-plusButton'
+              onClick={(e) => this.handleTabPlusButtonClick(e)}
+            >
+              <i className='fa fa-plus'/>
+            </button>
+          </div>
+          {viewList}
+        </div>
+      </div>
+    )
+  }
+}
+
+SnippetNoteDetail.propTypes = {
+  dispatch: PropTypes.func,
+  repositories: PropTypes.array,
+  note: PropTypes.shape({
+
+  }),
+  style: PropTypes.shape({
+    left: PropTypes.number
+  }),
+  ignorePreviewPointerEvents: PropTypes.bool
+}
+
+export default CSSModules(SnippetNoteDetail, styles)
diff --git a/browser/main/Detail/SnippetNoteDetail.styl b/browser/main/Detail/SnippetNoteDetail.styl
new file mode 100644
index 00000000..f64e0a9c
--- /dev/null
+++ b/browser/main/Detail/SnippetNoteDetail.styl
@@ -0,0 +1,170 @@
+$info-height = 75px
+
+.root
+  absolute top bottom right
+  border-width 0 0 1px
+  border-style solid
+  border-color $ui-borderColor
+
+.info
+  absolute top left right
+  height $info-height
+  border-bottom $ui-border
+  background-color $ui-backgroundColor
+
+.info-delete
+  height 80px
+  clearfix()
+
+.info-delete-message
+  height 80px
+  line-height 80px
+  padding 0 25px
+  float left
+
+.info-delete-confirmButton
+  float right
+  margin 25px 5px 0
+  height 30px
+  padding 0 25px
+  border-radius 2px
+  border none
+  color $ui-text-color
+  colorDangerButton()
+
+.info-delete-cancelButton
+  float right
+  height 30px
+  margin 25px 5px 0
+  padding 0 25px
+  border $ui-border
+  border-radius 2px
+  color $ui-text-color
+  colorDefaultButton()
+
+.info-left
+  float left
+  padding 0 5px
+
+.info-left-top
+  height 40px
+  line-height 40px
+
+.info-left-top-folderSelect
+  display inline-block
+  height 34px
+  width 200px
+  vertical-align middle
+
+.info-left-bottom
+  height 30px
+
+.info-left-bottom-tagSelect
+  height 30px
+  line-height 30px
+
+.info-right
+  float right
+
+.info-right-button
+  width 34px
+  height 34px
+  border-radius 17px
+  navButtonColor()
+  border $ui-border
+  font-size 14px
+  margin 8px 2px
+  padding 0
+  &:active
+    border-color $ui-button--focus-borderColor
+  &:hover .left-control-newPostButton-tooltip
+    display block
+  &:focus
+    border-color $ui-button--focus-borderColor
+
+.body
+  absolute bottom left right
+  top $info-height
+
+.body-description
+  absolute top left right
+  height 80px
+  border-bottom $ui-border
+
+.body-description-textarea
+  display block
+  height 100%
+  width 100%
+  resize none
+  border none
+  padding 10px
+  line-height 1.6
+
+.tabList
+  absolute left right
+  top 80px
+  height 30px
+  border-bottom $ui-border
+  display flex
+  background-color $ui-backgroundColor
+.tabList-item
+  position relative
+  flex 1
+  border-right $ui-border
+  &:hover
+    .tabList-item-deleteButton
+      color $ui-inactive-text-color
+      &:hover
+        background-color darken($ui-backgroundColor, 15%)
+      &:active
+        color white
+        background-color $ui-active-color
+.tabList-item--active
+  @extend .tabList-item
+  .tabList-item-button
+    border-color $brand-color
+.tabList-item-button
+  width 100%
+  height 100%
+  navButtonColor()
+  border-left 4px solid transparent
+.tabList-item-deleteButton
+  position absolute
+  top 5px
+  height 20px
+  right 5px
+  width 20px
+  text-align center
+  border none
+  padding 0
+  color transparent
+  background-color transparent
+  border-radius 2px
+.tabList-plusButton
+  navButtonColor()
+  width 30px
+.tabView
+  absolute left right bottom
+  top 110px
+.tabView-top
+  absolute top left right
+  height 30px
+  border-bottom $ui-border
+  display flex
+.tabView-top-name
+  flex 1
+  border none
+  padding 0 10px
+  font-size 14px
+.tabView-top-mode
+  width 110px
+  padding 0
+  border none
+  border-left $ui-border
+  colorDefaultButton()
+  color $ui-inactive-text-color
+  &:hover
+    color $ui-text-color
+.tabView-content
+  absolute left right bottom
+  top 30px
diff --git a/browser/main/Detail/StarButton.js b/browser/main/Detail/StarButton.js
new file mode 100644
index 00000000..e3f98a97
--- /dev/null
+++ b/browser/main/Detail/StarButton.js
@@ -0,0 +1,66 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './StarButton.styl'
+import _ from 'lodash'
+
+class StarButton extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      isActive: false
+    }
+  }
+
+  handleMouseDown (e) {
+    this.setState({
+      isActive: true
+    })
+  }
+
+  handleMouseUp (e) {
+    this.setState({
+      isActive: false
+    })
+  }
+
+  handleMouseLeave (e) {
+    this.setState({
+      isActive: false
+    })
+  }
+
+  render () {
+    let { className } = this.props
+
+    return (
+      <button className={_.isString(className)
+          ? 'StarButton ' + className
+          : 'StarButton'
+        }
+        styleName={this.state.isActive || this.props.isActive
+          ? 'root--active'
+          : 'root'
+        }
+        onMouseDown={(e) => this.handleMouseDown(e)}
+        onMouseUp={(e) => this.handleMouseUp(e)}
+        onMouseLeave={(e) => this.handleMouseLeave(e)}
+        onClick={this.props.onClick}
+      >
+        <i className={this.state.isActive || this.props.isActive
+          ? 'fa fa-star'
+          : 'fa fa-star-o'
+        }
+        />
+      </button>
+    )
+  }
+}
+
+StarButton.propTypes = {
+  isActive: PropTypes.bool,
+  onClick: PropTypes.func,
+  className: PropTypes.string
+}
+
+export default CSSModules(StarButton, styles)
diff --git a/browser/main/Detail/StarButton.styl b/browser/main/Detail/StarButton.styl
new file mode 100644
index 00000000..add3a354
--- /dev/null
+++ b/browser/main/Detail/StarButton.styl
@@ -0,0 +1,11 @@
+.root
+  position relative
+  padding 0
+  transition transform 0.15s
+  &:hover
+    transform rotate(-72deg)
+
+.root--active
+  @extend .root
+  color $ui-active-color
+  transform rotate(-72deg)
diff --git a/browser/main/Detail/TagSelect.js b/browser/main/Detail/TagSelect.js
new file mode 100644
index 00000000..06ba4f31
--- /dev/null
+++ b/browser/main/Detail/TagSelect.js
@@ -0,0 +1,148 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './TagSelect.styl'
+import _ from 'lodash'
+
+class TagSelect extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      newTag: ''
+    }
+  }
+
+  componentDidMount () {
+    this.value = this.props.value
+  }
+
+  componentDidUpdate () {
+    this.value = this.props.value
+  }
+
+  handleNewTagInputKeyDown (e) {
+    switch (e.keyCode) {
+      case 13:
+        this.submitTag()
+        break
+      case 8:
+        if (this.refs.newTag.value.length === 0) {
+          this.removeLastTag()
+        }
+    }
+  }
+
+  removeLastTag () {
+    let { value } = this.props
+
+    value = _.isArray(value)
+      ? value.slice()
+      : []
+    value.pop()
+    value = _.uniq(value)
+
+    this.value = value
+    this.props.onChange()
+  }
+
+  reset () {
+    this.setState({
+      newTag: ''
+    })
+  }
+
+  submitTag () {
+    let { value } = this.props
+    let newTag = this.refs.newTag.value.trim()
+
+    if (newTag.length <= 0) {
+      this.setState({
+        newTag: ''
+      })
+      return
+    }
+
+    value = _.isArray(value)
+      ? value.slice()
+      : []
+    value.push(newTag)
+    value = _.uniq(value)
+
+    this.setState({
+      newTag: ''
+    }, () => {
+      this.value = value
+      this.props.onChange()
+    })
+  }
+
+  handleNewTagInputChange (e) {
+    this.setState({
+      newTag: this.refs.newTag.value
+    })
+  }
+
+  handleTagRemoveButtonClick (tag) {
+    return (e) => {
+      let { value } = this.props
+
+      value.splice(value.indexOf(tag), 1)
+      value = _.uniq(value)
+
+      this.value = value
+      this.props.onChange()
+    }
+  }
+
+  render () {
+    let { value, className } = this.props
+
+    let tagList = _.isArray(value)
+      ? value.map((tag) => {
+        return (
+          <span styleName='tag'
+            key={tag}
+          >
+            <button styleName='tag-removeButton'
+              onClick={(e) => this.handleTagRemoveButtonClick(tag)(e)}
+            >
+              <i className='fa fa-times fa-fw'/>
+            </button>
+            <span styleName='tag-label'>{tag}</span>
+          </span>
+        )
+      })
+      : []
+
+    return (
+      <div className={_.isString(className)
+          ? 'TagSelect ' + className
+          : 'TagSelect'
+        }
+        styleName='root'
+      >
+        <i styleName='icon'
+          className='fa fa-tags'
+        />
+          {tagList}
+        <input styleName='newTag'
+          ref='newTag'
+          value={this.state.newTag}
+          placeholder='Add tag...'
+          onChange={(e) => this.handleNewTagInputChange(e)}
+          onKeyDown={(e) => this.handleNewTagInputKeyDown(e)}
+        />
+
+      </div>
+    )
+  }
+}
+
+TagSelect.propTypes = {
+  className: PropTypes.string,
+  value: PropTypes.arrayOf(PropTypes.string),
+  onChange: PropTypes.func
+
+}
+
+export default CSSModules(TagSelect, styles)
diff --git a/browser/main/Detail/TagSelect.styl b/browser/main/Detail/TagSelect.styl
new file mode 100644
index 00000000..613d5072
--- /dev/null
+++ b/browser/main/Detail/TagSelect.styl
@@ -0,0 +1,63 @@
+.root
+  position relative
+  user-select none
+
+.icon
+  display inline-block
+  width 30px
+  vertical-align middle
+  text-align center
+  color $ui-button-color
+
+.tag
+  display inline-block
+  margin 0 2px
+  vertical-align middle
+  height 20px
+  background-color white
+  border-radius 3px
+  overflow hidden
+  clearfix()
+
+.tag-removeButton
+  float left
+  height 20px
+  width 18px
+  margin 0
+  padding 0
+  border-style solid
+  border-color $ui-borderColor
+  border-width 0 0 0 3px
+  line-height 18px
+  background-color transparent
+  color $ui-button-color
+  &:hover
+    background-color $ui-button--hover-backgroundColor
+  &:active, &:active:hover
+    color $ui-button--active-color
+    background-color $ui-button--active-backgroundColor
+    border-color $ui-button--focus-borderColor
+  &:focus
+    border-color $ui-button--focus-borderColor
+
+.tag-label
+  float left
+  height 20px
+  line-height 20px
+  padding 0 6px
+
+.newTag
+  display inline-block
+  margin 0 2px
+  vertical-align middle
+  height 24px
+  box-sizing borde-box
+  border none
+  border-bottom $ui-border
+  background-color transparent
+  outline none
+  padding 0 4px
+  &:focus
+    border-color $ui-input--focus-borderColor = #369DCD
+  &:disabled
+    background-color $ui-input--disabled-backgroundColor = #DDD
diff --git a/browser/main/Detail/index.js b/browser/main/Detail/index.js
new file mode 100644
index 00000000..d2c96726
--- /dev/null
+++ b/browser/main/Detail/index.js
@@ -0,0 +1,105 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './Detail.styl'
+import _ from 'lodash'
+import MarkdownNoteDetail from './MarkdownNoteDetail'
+import SnippetNoteDetail from './SnippetNoteDetail'
+import ee from 'browser/main/lib/eventEmitter'
+
+const OSX = global.process.platform === 'darwin'
+
+class Detail extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.focusHandler = () => {
+      this.refs.root != null && this.refs.root.focus()
+    }
+    this.deleteHandler = () => {
+      this.refs.root != null && this.refs.root.handleDeleteMenuClick()
+    }
+  }
+
+  componentDidMount () {
+    ee.on('detail:focus', this.focusHandler)
+    ee.on('detail:delete', this.deleteHandler)
+  }
+
+  componentWillUnmount () {
+    ee.off('detail:focus', this.focusHandler)
+    ee.off('detail:delete', this.deleteHandler)
+  }
+
+  render () {
+    let { location, notes, config } = this.props
+    let note = null
+    if (location.query.key != null) {
+      let splitted = location.query.key.split('-')
+      let storageKey = splitted.shift()
+      let folderKey = splitted.shift()
+      let noteKey = splitted.shift()
+
+      note = _.find(notes, {
+        storage: storageKey,
+        folder: folderKey,
+        key: noteKey
+      })
+    }
+
+    if (note == null) {
+      return (
+        <div styleName='root'
+          style={this.props.style}
+          tabIndex='0'
+        >
+          <div styleName='empty'>
+            <div styleName='empty-message'>{OSX ? 'Command(⌘)' : 'Ctrl(^)'} + N<br/>to create a new post</div>
+          </div>
+        </div>
+      )
+    }
+
+    if (note.type === 'SNIPPET_NOTE') {
+      return (
+        <SnippetNoteDetail
+          note={note}
+          config={config}
+          ref='root'
+          {..._.pick(this.props, [
+            'dispatch',
+            'storages',
+            'style',
+            'ignorePreviewPointerEvents',
+            'location'
+          ])}
+        />
+      )
+    }
+
+    return (
+      <MarkdownNoteDetail
+        note={note}
+        config={config}
+        ref='root'
+        {..._.pick(this.props, [
+          'dispatch',
+          'storages',
+          'style',
+          'ignorePreviewPointerEvents',
+          'location'
+        ])}
+      />
+    )
+  }
+}
+
+Detail.propTypes = {
+  dispatch: PropTypes.func,
+  storages: PropTypes.array,
+  style: PropTypes.shape({
+    left: PropTypes.number
+  }),
+  ignorePreviewPointerEvents: PropTypes.bool
+}
+
+export default CSSModules(Detail, styles)
diff --git a/browser/main/HomePage/ArticleDetail/ArticleEditor.js b/browser/main/HomePage/ArticleDetail/ArticleEditor.js
deleted file mode 100644
index e7a4b00d..00000000
--- a/browser/main/HomePage/ArticleDetail/ArticleEditor.js
+++ /dev/null
@@ -1,243 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import MarkdownPreview from 'browser/components/MarkdownPreview'
-import CodeEditor from 'browser/components/CodeEditor'
-import activityRecord from 'browser/lib/activityRecord'
-import fetchConfig from 'browser/lib/fetchConfig'
-
-const electron = require('electron')
-const ipc = electron.ipcRenderer
-
-export const PREVIEW_MODE = 'PREVIEW_MODE'
-export const EDIT_MODE = 'EDIT_MODE'
-
-let config = fetchConfig()
-ipc.on('config-apply', function (e, newConfig) {
-  config = newConfig
-})
-
-export default class ArticleEditor extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.configApplyHandler = (e, config) => this.handleConfigApply(e, config)
-    this.isMouseDown = false
-    this.state = {
-      status: PREVIEW_MODE,
-      cursorPosition: null,
-      firstVisibleRow: null,
-      switchPreview: config['switch-preview'],
-      isTemporary: false
-    }
-  }
-
-  componentDidMount () {
-    ipc.on('config-apply', this.configApplyHandler)
-  }
-
-  componentWillUnmount () {
-    ipc.removeListener('config-apply', this.configApplyHandler)
-  }
-
-  componentWillReceiveProps (nextProps) {
-    if (nextProps.article.key !== this.props.article.key) {
-      this.setState({
-        content: this.props.article.content
-      })
-    }
-  }
-
-  handleConfigApply (e, newConfig) {
-    this.setState({
-      switchPreview: newConfig['switch-preview']
-    })
-  }
-
-  resetCursorPosition () {
-    this.setState({
-      cursorPosition: null,
-      firstVisibleRow: null
-    }, function () {
-      let previewEl = ReactDOM.findDOMNode(this.refs.preview)
-      if (previewEl) previewEl.scrollTop = 0
-    })
-  }
-
-  switchPreviewMode (isTemporary = false) {
-    if (this.props.article.mode !== 'markdown') return true
-    let cursorPosition = this.refs.editor.getCursorPosition()
-    let firstVisibleRow = this.refs.editor.getFirstVisibleRow()
-    this.setState({
-      status: PREVIEW_MODE,
-      cursorPosition,
-      firstVisibleRow,
-      isTemporary: isTemporary
-    }, function () {
-      let previewEl = ReactDOM.findDOMNode(this.refs.preview)
-      let anchors = previewEl.querySelectorAll('.lineAnchor')
-      for (let i = 0; i < anchors.length; i++) {
-        if (parseInt(anchors[i].dataset.key, 10) > cursorPosition.row || i === anchors.length - 1) {
-          var targetAnchor = anchors[i > 0 ? i - 1 : 0]
-          previewEl.scrollTop = targetAnchor.offsetTop - 100
-          break
-        }
-      }
-    })
-  }
-
-  switchEditMode (isTemporary = false) {
-    this.setState({
-      status: EDIT_MODE,
-      isTemporary: false
-    }, function () {
-      if (this.state.cursorPosition != null) {
-        this.refs.editor.moveCursorTo(this.state.cursorPosition.row, this.state.cursorPosition.column)
-        this.refs.editor.scrollToLine(this.state.firstVisibleRow)
-      }
-      this.refs.editor.editor.focus()
-
-      if (!isTemporary) activityRecord.emit('ARTICLE_UPDATE', this.props.article)
-    })
-  }
-
-  handleBlurCodeEditor (e) {
-    let isFocusingToThis = e.relatedTarget === ReactDOM.findDOMNode(this)
-    if (isFocusingToThis || this.state.switchPreview !== 'blur') {
-      return
-    }
-
-    let { article } = this.props
-    if (article.mode === 'markdown') {
-      this.switchPreviewMode()
-    }
-  }
-
-  handleCodeEditorChange (value) {
-    this.props.onChange(value)
-  }
-
-  handleRightClick (e) {
-    let { article } = this.props
-    if (this.state.switchPreview === 'rightclick' && article.mode === 'markdown') {
-      if (this.state.status === EDIT_MODE) this.switchPreviewMode()
-      else this.switchEditMode()
-    }
-  }
-
-  handleMouseUp (e) {
-    let { article } = this.props
-    let showPreview = article.mode === 'markdown' && this.state.status === PREVIEW_MODE
-    if (!showPreview) {
-      return false
-    }
-
-    switch (this.state.switchPreview) {
-      case 'blur':
-        switch (e.button) {
-          case 0:
-            this.isMouseDown = false
-            this.moveCount = 0
-            if (!this.isDrag) {
-              this.switchEditMode()
-            }
-            break
-          case 2:
-            if (this.state.isTemporary) this.switchEditMode(true)
-        }
-        break
-      case 'rightclick':
-    }
-  }
-
-  handleMouseMove (e) {
-    let { article } = this.props
-    let showPreview = article.mode === 'markdown' && this.state.status === PREVIEW_MODE
-    if (!showPreview) {
-      return false
-    }
-
-    if (this.state.switchPreview === 'blur' && this.isMouseDown) {
-      this.moveCount++
-      if (this.moveCount > 5) {
-        this.isDrag = true
-      }
-    }
-  }
-
-  handleMouseDowm (e) {
-    let { article } = this.props
-    let showPreview = article.mode === 'markdown' && this.state.status === PREVIEW_MODE
-    if (!showPreview) {
-      return false
-    }
-
-    switch (this.state.switchPreview) {
-      case 'blur':
-        switch (e.button) {
-          case 0:
-            this.isDrag = false
-            this.isMouseDown = true
-            this.moveCount = 0
-            break
-          case 2:
-            if (this.state.status === EDIT_MODE && this.props.article.mode === 'markdown') {
-              this.switchPreviewMode(true)
-            }
-        }
-        break
-      case 'rightclick':
-    }
-  }
-
-  render () {
-    let { article } = this.props
-    let showPreview = article.mode === 'markdown' && this.state.status === PREVIEW_MODE
-
-    return (
-      <div
-        tabIndex='5'
-        onContextMenu={e => this.handleRightClick(e)}
-        onMouseUp={e => this.handleMouseUp(e)}
-        onMouseMove={e => this.handleMouseMove(e)}
-        onMouseDown={e => this.handleMouseDowm(e)}
-        className='ArticleEditor'
-      >
-        {showPreview
-          ? <MarkdownPreview
-              ref='preview'
-              content={article.content}
-            />
-          : <CodeEditor
-              ref='editor'
-              onBlur={e => this.handleBlurCodeEditor(e)}
-              onChange={value => this.handleCodeEditorChange(value)}
-              article={article}
-            />
-        }
-        {article.mode === 'markdown'
-          ? <div className='ArticleDetail-panel-content-tooltip' children={
-              showPreview
-                ? this.state.switchPreview === 'blur'
-                  ? 'Click to Edit'
-                  : 'Right Click to Edit'
-                : this.state.switchPreview === 'blur'
-                  ? 'Press ESC to Watch Preview'
-                  : 'Right Click to Watch Preview'
-              }
-            />
-          : null
-        }
-      </div>
-    )
-  }
-}
-
-ArticleEditor.propTypes = {
-  article: PropTypes.shape({
-    content: PropTypes.string,
-    key: PropTypes.string,
-    mode: PropTypes.string
-  }),
-  onChange: PropTypes.func,
-  parent: PropTypes.object
-}
diff --git a/browser/main/HomePage/ArticleDetail/index.js b/browser/main/HomePage/ArticleDetail/index.js
deleted file mode 100644
index efd84c3a..00000000
--- a/browser/main/HomePage/ArticleDetail/index.js
+++ /dev/null
@@ -1,361 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import moment from 'moment'
-import _ from 'lodash'
-import {
-  switchFolder,
-  updateArticle
-} from '../../actions'
-import linkState from 'browser/lib/linkState'
-import TagSelect from 'browser/components/TagSelect'
-import ModeSelect from 'browser/components/ModeSelect'
-import ShareButton from './ShareButton'
-import { openModal, isModalOpen } from 'browser/lib/modal'
-import DeleteArticleModal from '../../modal/DeleteArticleModal'
-import ArticleEditor from './ArticleEditor'
-const electron = require('electron')
-const ipc = electron.ipcRenderer
-import fetchConfig from 'browser/lib/fetchConfig'
-
-let config = fetchConfig()
-ipc.on('config-apply', function (e, newConfig) {
-  config = newConfig
-})
-
-const BRAND_COLOR = '#18AF90'
-const OSX = global.process.platform === 'darwin'
-
-const tagSelectTutorialElement = (
-  <svg width='500' height='500' className='tutorial'>
-    <text x='155' y='50' fill={BRAND_COLOR} fontSize='24'>Attach some tags here!</text>
-
-    <svg x='0' y='-15'>
-      <path fill='white' d='M15.5,22.2c77.8-0.7,155.6-1.3,233.5-2c22.2-0.2,44.4-0.4,66.6-0.6c1.9,0,1.9-3,0-3
-        c-77.8,0.7-155.6,1.3-233.5,2c-22.2,0.2-44.4,0.4-66.6,0.6C13.6,19.2,13.6,22.2,15.5,22.2L15.5,22.2z'/>
-      <path fill='white' d='M130.8,25c-5.4,6.8-10.3,14-14.6,21.5c-0.8,1.4,1.2,3.2,2.4,1.8c1-1.2,2-2.4,3.1-3.7c1.2-1.5-0.9-3.6-2.1-2.1
-        c-1,1.2-2,2.4-3.1,3.7c0.8,0.6,1.6,1.2,2.4,1.8c4.2-7.3,8.9-14.3,14.2-20.9C134.1,25.6,132,23.4,130.8,25L130.8,25z'/>
-      <path fill='white' d='M132.6,22.1c8.4,5.9,16.8,11.9,25.2,17.8c1.6,1.1,3.1-1.5,1.5-2.6c-8.4-5.9-16.8-11.9-25.2-17.8
-        C132.5,18.4,131,21,132.6,22.1L132.6,22.1z'/>
-      <path fill='white' d='M132.9,18.6c0.4,6.7-0.7,13.3-3.5,19.3c-1.5,3.1-3.9,6.4-3.1,10c0.7,3.1,3.4,4.4,6.2,5.5
-        c5.1,2.1,10.5,3.1,16.1,3.2c1.9,0,1.9-3,0-3c-4.7-0.1-9.2-0.8-13.6-2.4c-3-1.1-6.2-1.9-5.4-6.6c0.4-2,2-4.1,2.8-5.9
-        c2.9-6.3,4-13.1,3.6-20.1C135.8,16.7,132.8,16.7,132.9,18.6L132.9,18.6z'/>
-    </svg>
-  </svg>
-)
-
-const modeSelectTutorialElement = (
-  <svg width='500' height='500' className='tutorial'>
-    <text x='195' y='130' fill={BRAND_COLOR} fontSize='24'>Select code syntax!!</text>
-
-    <svg x='300' y='0'>
-      <path fill='white' d='M99.9,58.8c-14.5-0.5-29-2.2-43.1-5.6c-12.3-2.9-27.9-6.4-37.1-15.5C7.9,26,28.2,18.9,37,16.7
-        c13.8-3.5,28.3-4.7,42.4-5.8c29.6-2.2,59.3-1.7,89-1c3,0.1,7.5-0.6,10.2,0.6c3.1,1.4,3.1,5.3,3.3,8.1c0.3,5.2-0.2,10.7-2.4,15.4
-        c-4.4,9.6-18.4,14.7-27.5,18.1c-27.1,10.1-56.7,12.8-85.3,15.6c-1.9,0.2-1.9,3.2,0,3c29.3-2.9,59.8-5.6,87.5-16.2
-        c9.6-3.7,22.8-8.7,27.7-18.4c2.3-4.6,3.2-9.9,3.2-15c0-3.6,0-9.4-2.9-12c-1.9-1.7-4.7-1.8-7.1-2c-4.8-0.2-9.6-0.2-14.4-0.3
-        c-8.7-0.2-17.5-0.3-26.2-0.4C116.7,6.3,99,6.5,81.3,7.8c-15.8,1.1-32.1,2.3-47.4,6.6c-7.7,2.2-22.1,6.9-20.9,17.4
-        c0.6,5.4,5.6,9.4,9.9,12.1c6.7,4.3,14.4,6.9,22,9.2c17.8,5.4,36.4,8,54.9,8.6C101.8,61.8,101.8,58.8,99.9,58.8L99.9,58.8z'/>
-      <path fill='white' d='M11.1,67.8c9.2-6.1,18.6-11.9,28.2-17.2c-0.7-0.3-1.5-0.6-2.2-0.9c0.9,5.3,0.7,10.3-0.5,15.5
-        c-0.4,1.9,2.4,2.7,2.9,0.8c1.4-5.7,1.5-11.3,0.5-17.1c-0.2-1-1.4-1.3-2.2-0.9c-9.7,5.3-19.1,11.1-28.2,17.2
-        C8,66.3,9.5,68.9,11.1,67.8L11.1,67.8z'/>
-      <path fill='white' d='M31.5,52.8C23.4,68.9,0.2,83.2,7.9,104c0.7,1.8,3.6,1,2.9-0.8C3.6,83.7,26.4,69.7,34.1,54.3
-        C35,52.6,32.4,51.1,31.5,52.8L31.5,52.8z'/>
-    </svg>
-  </svg>
-)
-
-export default class ArticleDetail extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.deleteHandler = e => {
-      if (isModalOpen()) return true
-      this.handleDeleteButtonClick()
-    }
-    this.uncacheHandler = e => {
-      if (isModalOpen()) return true
-      this.handleUncache()
-    }
-    this.titleHandler = e => {
-      if (isModalOpen()) return true
-      if (this.refs.title) {
-        this.focusTitle()
-      }
-    }
-    this.editHandler = e => {
-      if (isModalOpen()) return true
-      if (this.refs.editor) this.refs.editor.switchEditMode()
-    }
-    this.previewHandler = e => {
-      if (isModalOpen()) return true
-      if (this.refs.editor) this.refs.editor.switchPreviewMode()
-    }
-    this.configApplyHandler = (e, config) => this.handleConfigApply(e, config)
-
-    this.state = {
-      article: Object.assign({content: ''}, props.activeArticle),
-      openShareDropdown: false,
-      fontFamily: config['editor-font-family']
-    }
-  }
-
-  componentDidMount () {
-    this.refreshTimer = setInterval(() => this.forceUpdate(), 60 * 1000)
-    this.shareDropdownInterceptor = e => {
-      e.stopPropagation()
-    }
-
-    ipc.on('detail-delete', this.deleteHandler)
-    ipc.on('detail-uncache', this.uncacheHandler)
-    ipc.on('detail-title', this.titleHandler)
-    ipc.on('detail-edit', this.editHandler)
-    ipc.on('detail-preview', this.previewHandler)
-    ipc.on('config-apply', this.configApplyHandler)
-  }
-
-  componentWillUnmount () {
-    clearInterval(this.refreshTimer)
-
-    ipc.removeListener('detail-delete', this.deleteHandler)
-    ipc.removeListener('detail-uncache', this.uncacheHandler)
-    ipc.removeListener('detail-title', this.titleHandler)
-    ipc.removeListener('detail-edit', this.editHandler)
-    ipc.removeListener('detail-preview', this.previewHandler)
-  }
-
-  componentDidUpdate (prevProps, prevState) {
-    if (this.props.activeArticle == null || prevProps.activeArticle == null || this.props.activeArticle.key !== prevProps.activeArticle.key) {
-      if (this.refs.editor) this.refs.editor.resetCursorPosition()
-    }
-
-    if (prevProps.activeArticle == null && this.props.activeArticle) {
-
-    }
-  }
-
-  handleConfigApply (e, config) {
-    this.setState({
-      fontFamily: config['editor-font-family']
-    })
-  }
-
-  renderEmpty () {
-    return (
-      <div className='ArticleDetail empty'>
-        <div className='ArticleDetail-empty-box'>
-          <div className='ArticleDetail-empty-box-message'>{OSX ? 'Command(⌘)' : 'Ctrl(^)'} + N<br/>to create a new post</div>
-        </div>
-      </div>
-    )
-  }
-
-  handleOthersButtonClick (e) {
-    this.deleteHandler()
-  }
-
-  handleFolderKeyChange (e) {
-    let { dispatch, activeArticle, status, folders } = this.props
-    let article = Object.assign({}, activeArticle, {
-      FolderKey: e.target.value,
-      updatedAt: new Date()
-    })
-
-    dispatch(updateArticle(article))
-
-    let targetFolderKey = e.target.value
-    if (status.targetFolders.length > 0) {
-      let targetFolder = _.findWhere(folders, {key: targetFolderKey})
-      dispatch(switchFolder(targetFolder.name))
-    }
-  }
-
-  handleTitleChange (e) {
-    let { dispatch, activeArticle } = this.props
-    let article = Object.assign({}, activeArticle, {
-      title: e.target.value,
-      updatedAt: new Date()
-    })
-    dispatch(updateArticle(article))
-  }
-
-  handleTagsChange (newTag, tags) {
-    let { dispatch, activeArticle } = this.props
-    let article = Object.assign({}, activeArticle, {
-      tags: tags,
-      updatedAt: new Date()
-    })
-
-    dispatch(updateArticle(article))
-  }
-
-  handleModeChange (value) {
-    let { dispatch, activeArticle } = this.props
-    let article = Object.assign({}, activeArticle, {
-      mode: value,
-      updatedAt: new Date()
-    })
-
-    dispatch(updateArticle(article))
-    this.switchEditMode()
-  }
-
-  handleContentChange (value) {
-    let { dispatch, activeArticle } = this.props
-    if (activeArticle.content !== value) {
-      let article = Object.assign({}, activeArticle, {
-        content: value,
-        updatedAt: new Date()
-      })
-
-      dispatch(updateArticle(article))
-    }
-  }
-
-  handleDeleteButtonClick (e) {
-    if (this.props.activeArticle) {
-      openModal(DeleteArticleModal, {articleKey: this.props.activeArticle.key})
-    }
-  }
-
-  handleTitleKeyDown (e) {
-    if (e.keyCode === 9 && !e.shiftKey) {
-      e.preventDefault()
-      this.refs.mode.handleIdleSelectClick()
-    }
-  }
-
-  handleModeSelectKeyDown (e) {
-    if (e.keyCode === 9 && !e.shiftKey) {
-      e.preventDefault()
-      this.switchEditMode()
-    }
-
-    if (e.keyCode === 9 && e.shiftKey) {
-      e.preventDefault()
-      this.focusTitle()
-    }
-
-    if (e.keyCode === 27) {
-      this.focusTitle()
-    }
-  }
-
-  switchEditMode () {
-    this.refs.editor.switchEditMode()
-  }
-
-  focusTitle () {
-    if (this.refs.title) {
-      let titleEl = ReactDOM.findDOMNode(this.refs.title)
-      titleEl.focus()
-      titleEl.select()
-    }
-  }
-
-  render () {
-    let { folders, status, tags, activeArticle, modified, user } = this.props
-    if (activeArticle == null) return this.renderEmpty()
-    let folderOptions = folders.map(folder => {
-      return (
-        <option key={folder.key} value={folder.key}>{folder.name}</option>
-      )
-    })
-
-    let isUnsaved = !!_.findWhere(modified, {key: activeArticle.key})
-
-    return (
-      <div tabIndex='4' className='ArticleDetail'>
-        <div className='ArticleDetail-info'>
-          <div className='ArticleDetail-info-row'>
-            <select
-              className='ArticleDetail-info-folder'
-              value={activeArticle.FolderKey}
-              onChange={e => this.handleFolderKeyChange(e)}
-            >
-              {folderOptions}
-            </select>
-            <span className='ArticleDetail-info-status'
-              children={
-                isUnsaved
-                  ? <span> <span className='unsaved-mark'>●</span> Unsaved</span>
-                  : `Created : ${moment(activeArticle.createdAt).format('YYYY/MM/DD')} Updated : ${moment(activeArticle.updatedAt).format('YYYY/MM/DD')}`
-              }
-            />
-
-            <div className='ArticleDetail-info-control'>
-              {/*<div className={'ArticleDetail-info-control-save' + (!isUnsaved ? ' hide' : '')}>
-                <button
-                  onClick={e => this.handleSaveButtonClick(e)}
-                  className='ArticleDetail-info-control-save-button'
-                  disabled={!isUnsaved}
-                  >
-                  <i className='fa fa-fw fa-save'/>&nbsp;Save
-                  <span className='tooltip' children={`Save Post (${OSX ? '⌘' : '^'} + S)`}/>
-                </button>
-              </div>*/}
-
-              <ShareButton
-                article={activeArticle}
-                user={user}
-                />
-
-              <button className='ArticleDetail-info-control-delete-button' onClick={e => this.handleOthersButtonClick(e)}>
-                <i className='fa fa-fw fa-trash'/>
-                <span className='tooltip' children={`Delete Post (^ + Del)`}/>
-              </button>
-            </div>
-          </div>
-          <div className='ArticleDetail-info-row2'>
-            <TagSelect
-              tags={activeArticle.tags}
-              onChange={(tags, tag) => this.handleTagsChange(tags, tag)}
-              suggestTags={tags}
-            />
-
-            {status.isTutorialOpen ? tagSelectTutorialElement : null}
-          </div>
-        </div>
-
-        <div className='ArticleDetail-panel'>
-          <div className='ArticleDetail-panel-header'>
-            <div className='ArticleDetail-panel-header-title'>
-              <input
-                onKeyDown={e => this.handleTitleKeyDown(e)}
-                placeholder='(Untitled)'
-                ref='title'
-                value={activeArticle.title}
-                onChange={e => this.handleTitleChange(e)}
-                style={{
-                  fontFamily: this.state.fontFamily
-                }}
-              />
-            </div>
-            <ModeSelect
-              ref='mode'
-              onChange={e => this.handleModeChange(e)}
-              onKeyDown={e => this.handleModeSelectKeyDown(e)}
-              value={activeArticle.mode}
-              className='ArticleDetail-panel-header-mode'
-            />
-            {status.isTutorialOpen ? modeSelectTutorialElement : null}
-          </div>
-          <ArticleEditor
-            ref='editor'
-            article={activeArticle}
-            onChange={content => this.handleContentChange(content)}
-          />
-        </div>
-      </div>
-    )
-  }
-}
-
-ArticleDetail.propTypes = {
-  dispatch: PropTypes.func,
-  status: PropTypes.shape(),
-  tags: PropTypes.array,
-  user: PropTypes.shape(),
-  folders: PropTypes.array,
-  modified: PropTypes.array,
-  activeArticle: PropTypes.shape()
-}
-ArticleDetail.prototype.linkState = linkState
diff --git a/browser/main/HomePage/ArticleList.js b/browser/main/HomePage/ArticleList.js
deleted file mode 100644
index 07b10350..00000000
--- a/browser/main/HomePage/ArticleList.js
+++ /dev/null
@@ -1,207 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import ModeIcon from 'browser/components/ModeIcon'
-import moment from 'moment'
-import { switchArticle } from '../actions'
-import FolderMark from 'browser/components/FolderMark'
-import TagLink from './TagLink'
-import _ from 'lodash'
-
-const electron = require('electron')
-const remote = electron.remote
-const ipc = electron.ipcRenderer
-
-export default class ArticleList extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.focusHandler = e => this.focus()
-  }
-
-  componentDidMount () {
-    this.refreshTimer = setInterval(() => this.forceUpdate(), 60 * 1000)
-    ipc.on('list-focus', this.focusHandler)
-    this.focus()
-  }
-
-  componentWillUnmount () {
-    clearInterval(this.refreshTimer)
-    ipc.removeListener('list-focus', this.focusHandler)
-  }
-
-  componentDidUpdate () {
-    let { articles, activeArticle } = this.props
-    var index = articles.indexOf(activeArticle)
-    var el = ReactDOM.findDOMNode(this)
-    var li = el.querySelectorAll('.ArticleList>div')[index]
-
-    if (li == null) {
-      return
-    }
-
-    var overflowBelow = el.clientHeight + el.scrollTop < li.offsetTop + li.clientHeight
-    if (overflowBelow) {
-      el.scrollTop = li.offsetTop + li.clientHeight - el.clientHeight
-    }
-    var overflowAbove = el.scrollTop > li.offsetTop
-    if (overflowAbove) {
-      el.scrollTop = li.offsetTop
-    }
-  }
-
-  focus () {
-    ReactDOM.findDOMNode(this).focus()
-  }
-
-  // 移動ができなかったらfalseを返す:
-  selectPriorArticle () {
-    let { articles, activeArticle, dispatch } = this.props
-    let targetIndex = articles.indexOf(activeArticle) - 1
-    let targetArticle = articles[targetIndex]
-
-    if (targetArticle != null) {
-      dispatch(switchArticle(targetArticle.key))
-      return true
-    }
-    return false
-  }
-
-  selectNextArticle () {
-    let { articles, activeArticle, dispatch } = this.props
-    let targetIndex = articles.indexOf(activeArticle) + 1
-    let targetArticle = articles[targetIndex]
-
-    if (targetArticle != null) {
-      dispatch(switchArticle(targetArticle.key))
-      return true
-    }
-    return false
-  }
-
-  handleArticleClick (article) {
-    let { dispatch } = this.props
-    return function (e) {
-      dispatch(switchArticle(article.key))
-    }
-  }
-
-  handleArticleListKeyDown (e) {
-    if (e.metaKey || e.ctrlKey) return true
-
-    if (e.keyCode === 65 && !e.shiftKey) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('top-new-post')
-    }
-
-    if (e.keyCode === 65 && e.shiftKey) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('nav-new-folder')
-    }
-
-    if (e.keyCode === 68) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('detail-delete')
-    }
-
-    if (e.keyCode === 84) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('detail-title')
-    }
-
-    if (e.keyCode === 69) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('detail-edit')
-    }
-
-    if (e.keyCode === 83) {
-      e.preventDefault()
-      remote.getCurrentWebContents().send('detail-save')
-    }
-
-    if (e.keyCode === 38) {
-      e.preventDefault()
-      this.selectPriorArticle()
-    }
-
-    if (e.keyCode === 40) {
-      e.preventDefault()
-      this.selectNextArticle()
-    }
-  }
-
-  render () {
-    let { articles, modified, activeArticle, folders } = this.props
-
-    let articleElements = articles.map(article => {
-      let modifiedArticle = _.findWhere(modified, {key: article.key})
-      let originalArticle = article
-      if (modifiedArticle) {
-        article = Object.assign({}, article)
-      }
-      let tagElements = Array.isArray(article.tags) && article.tags.length > 0
-        ? article.tags.slice().map(tag => {
-          return (<TagLink key={tag} tag={tag}/>)
-        })
-        : (<span>Not tagged yet</span>)
-      let folder = _.findWhere(folders, {key: article.FolderKey})
-      let folderChanged = originalArticle.FolderKey !== article.FolderKey
-      let originalFolder = folderChanged ? _.findWhere(folders, {key: originalArticle.FolderKey}) : null
-
-      let title = article.title.trim().length === 0
-        ? <small>(Untitled)</small>
-        : article.title
-
-      return (
-        <div key={'article-' + article.key}>
-          <div onClick={e => this.handleArticleClick(article)(e)} className={'ArticleList-item' + (activeArticle.key === article.key ? ' active' : '')}>
-            <div className='ArticleList-item-top'>
-              {folder != null
-                ? folderChanged
-                  ? <span className='folderName'>
-                      <FolderMark color={originalFolder.color}/>{originalFolder.name}
-                      ->
-                      <FolderMark color={folder.color}/>{folder.name}
-                    </span>
-                  : <span className='folderName'>
-                      <FolderMark color={folder.color}/>{folder.name}
-                    </span>
-                : <span><FolderMark color={-1}/>Unknown</span>
-              }
-              <span className='updatedAt'
-                children={
-                  modifiedArticle != null
-                    ? <span><span className='unsaved-mark'>●</span> Unsaved</span>
-                    : moment(article.updatedAt).fromNow()
-                }
-              />
-            </div>
-            <div className='ArticleList-item-middle'>
-              <ModeIcon className='mode' mode={article.mode}/> <div className='title' children={title}/>
-            </div>
-            <div className='ArticleList-item-middle2'>
-              <pre><code children={article.content.trim().length === 0 ? '(Empty content)' : article.content.substring(0, 50)}/></pre>
-            </div>
-            <div className='ArticleList-item-bottom'>
-              <div className='tags'><i className='fa fa-fw fa-tags'/>{tagElements}</div>
-            </div>
-          </div>
-          <div className='divider'></div>
-        </div>
-      )
-    })
-
-    return (
-      <div tabIndex='3' onKeyDown={e => this.handleArticleListKeyDown(e)} className='ArticleList'>
-        {articleElements}
-      </div>
-    )
-  }
-}
-
-ArticleList.propTypes = {
-  dispatch: PropTypes.func,
-  folders: PropTypes.array,
-  articles: PropTypes.array,
-  modified: PropTypes.array,
-  activeArticle: PropTypes.shape()
-}
diff --git a/browser/main/HomePage/ArticleNavigator.js b/browser/main/HomePage/ArticleNavigator.js
deleted file mode 100644
index b8b69790..00000000
--- a/browser/main/HomePage/ArticleNavigator.js
+++ /dev/null
@@ -1,202 +0,0 @@
-import React, { PropTypes } from 'react'
-import { findWhere } from 'lodash'
-import { setSearchFilter, switchFolder, uncacheArticle, saveAllArticles, switchArticle, clearSearch } from '../actions'
-import { openModal, isModalOpen } from 'browser/lib/modal'
-import FolderMark from 'browser/components/FolderMark'
-import Preferences from '../modal/Preferences'
-import CreateNewFolder from '../modal/CreateNewFolder'
-import _ from 'lodash'
-import ModeIcon from 'browser/components/ModeIcon'
-
-const ipc = require('electron').ipcRenderer
-
-const BRAND_COLOR = '#18AF90'
-const OSX = global.process.platform === 'darwin'
-
-const preferenceTutorialElement = (
-  <svg width='300' height='300' className='tutorial'>
-    <text x='15' y='30' fill={BRAND_COLOR} fontSize='24'>Preference</text>
-    <svg x='-30' y='-270' width='400' height='400'>
-      <path fill='white' d='M165.9,297c5.3,0,10.6,0.1,15.8,0.1c3.3,0,7.7,0.8,10.7-1c2.3-1.4,3.1-4,4.5-6.2c3.5-5.5,9.6-5.2,14.6-1.9
-c4.6,3.1,8.7,8,8.4,13.8c-0.3,5.2-3.3,10.1-6.1,14.3c-3.1,4.7-6.6,7-12.2,7.9c-5.2,0.8-11.7,1.6-15.4-3
-c-6.6-8.2,2.1-20.5,7.4-27.1c6.5-8.1,20.1-14,26.4-2.1c5.4,10.3-3.1,21.7-13,24.8c-5.7,1.8-11,0.9-16.2-1.9c-2-1.1-5-2.6-6.6-4.4
-c-3.9-4.3-0.3-8.2,2.5-11.2c1.3-1.4-0.8-3.6-2.1-2.1c-2.7,2.9-5.8,6.6-5.1,10.9c0.7,4.4,5.6,6.9,9,8.9c8.6,5.1,18.7,4.8,26.8-1.2
-c7.3-5.4,11.6-15,8-23.7c-3.3-8.1-11.7-11.8-20-9c-12.5,4.1-33.7,33.5-15.9,43.1c6.8,3.7,19.8,1.8,25.3-3.6
-c6.1-5.8,12.1-17.2,9.5-25.7c-2.6-8.4-13.7-17-22.6-13.3c-1.6,0.7-3,1.7-4.1,3c-1.6,1.9-2.2,5.1-4.1,6.6c-3.1,2.4-10.1,1-13.7,1
-c-4,0-7.9,0-11.9-0.1C164,294,164,297,165.9,297L165.9,297z'/>
-    </svg>
-  </svg>
-)
-
-const newFolderTutorialElement = (
-  <svg width='800' height='500' className='tutorial'>
-    <text x='30' y='110' fill={BRAND_COLOR} fontSize='24'>Create a new folder!!</text>
-    <text x='50' y='135' fill={BRAND_COLOR} fontSize='16'>{'press ' + (OSX ? '`⌘ + Shift + n`' : '`^ + Shift + n`')}</text>
-    <svg x='50' y='10' width='300' height='400'>
-      <path fill='white' d='M94.1,10.9C77.7,15.6,62,22.7,47.8,32.1c-13.6,9-27.7,20.4-37.1,33.9c-1.1,1.6,1.5,3.1,2.6,1.5
-        C22.6,54.1,37,42.7,50.6,33.8c13.7-8.8,28.6-15.5,44.2-20C96.7,13.3,95.9,10.4,94.1,10.9L94.1,10.9z'/>
-      <path fill='white' d='M71.1,8.6c7.9,1.6,15.8,3.2,23.6,4.7c-0.1-0.9-0.2-1.8-0.4-2.7c-4.6,3.4-5.4,7.7-4.4,13.2
-        c0.8,4.4,0.8,10.9,5.6,12.8c1.8,0.7,2.6-2.2,0.8-2.9c-2.3-1-2.6-6.2-3-8.3c-0.9-4.5-1.7-9,2.5-12.1c0.9-0.7,1-2.5-0.4-2.7
-        C87.5,9,79.6,7.4,71.8,5.9C70,5.4,69.2,8.3,71.1,8.6L71.1,8.6z'/>
-    </svg>
-  </svg>
-)
-
-export default class ArticleNavigator extends React.Component {
-  constructor (props) {
-    super(props)
-    this.newFolderHandler = e => {
-      if (isModalOpen()) return true
-      this.handleNewFolderButton(e)
-    }
-  }
-
-  componentDidMount () {
-    ipc.on('nav-new-folder', this.newFolderHandler)
-  }
-
-  componentWillUnmount () {
-    ipc.removeListener('nav-new-folder', this.newFolderHandler)
-  }
-
-  handlePreferencesButtonClick (e) {
-    openModal(Preferences)
-  }
-
-  handleNewFolderButton (e) {
-    let { user } = this.props
-    openModal(CreateNewFolder, {user: user})
-  }
-
-  handleFolderButtonClick (name) {
-    return e => {
-      let { dispatch } = this.props
-      dispatch(switchFolder(name))
-    }
-  }
-
-  handleAllFoldersButtonClick (e) {
-    let { dispatch } = this.props
-    dispatch(setSearchFilter(''))
-  }
-
-  handleUnsavedItemClick (article) {
-    let { dispatch } = this.props
-    return e => {
-      let { articles } = this.props
-      let isInArticleList = articles.some(_article => _article.key === article.key)
-      if (!isInArticleList) dispatch(clearSearch())
-      dispatch(switchArticle(article.key))
-    }
-  }
-
-  handleUncacheButtonClick (article) {
-    let { dispatch } = this.props
-    return e => {
-      dispatch(uncacheArticle(article.key))
-    }
-  }
-
-  handleSaveAllClick (e) {
-    let { dispatch } = this.props
-    dispatch(saveAllArticles())
-  }
-
-  render () {
-    let { status, user, folders, allArticles, modified, activeArticle } = this.props
-    let { targetFolders } = status
-    if (targetFolders == null) targetFolders = []
-
-    let modifiedElements = modified.map(modifiedArticle => {
-      let originalArticle = _.findWhere(allArticles, {key: modifiedArticle.key})
-      if (originalArticle == null) return false
-      let combinedArticle = Object.assign({}, originalArticle, modifiedArticle)
-
-      let className = 'ArticleNavigator-unsaved-list-item'
-      if (activeArticle && activeArticle.key === combinedArticle.key) className += ' active'
-
-      return (
-        <div key={modifiedArticle.key} onClick={e => this.handleUnsavedItemClick(combinedArticle)(e)} className={className}>
-          <div className='ArticleNavigator-unsaved-list-item-label'>
-            <ModeIcon mode={combinedArticle.mode}/>&nbsp;
-            {combinedArticle.title.trim().length > 0
-              ? combinedArticle.title
-              : <span className='ArticleNavigator-unsaved-list-item-label-untitled'>(Untitled)</span>}
-          </div>
-          <button onClick={e => this.handleUncacheButtonClick(combinedArticle)(e)} className='ArticleNavigator-unsaved-list-item-discard-button'><i className='fa fa-times'/></button>
-        </div>
-      )
-    }).filter(modifiedArticle => modifiedArticle).sort((a, b) => a.updatedAt - b.updatedAt)
-    let hasModified = modifiedElements.length > 0
-
-    let folderElememts = folders.map((folder, index) => {
-      let isActive = findWhere(targetFolders, {key: folder.key})
-      let articleCount = allArticles.filter(article => article.FolderKey === folder.key && article.status !== 'NEW').length
-
-      return (
-        <button onClick={e => this.handleFolderButtonClick(folder.name)(e)} key={'folder-' + folder.key} className={isActive ? 'active' : ''}>
-          <FolderMark color={folder.color}/> {folder.name} <span className='articleCount'>{articleCount}</span>
-        </button>
-      )
-    })
-
-    return (
-      <div tabIndex='1' className='ArticleNavigator'>
-        <div className='userInfo'>
-          <div className='userProfileName'>{user.name}</div>
-          <div className='userName'>localStorage</div>
-          <button onClick={e => this.handlePreferencesButtonClick(e)} className='settingBtn'>
-            <i className='fa fa-fw fa-chevron-down'/>
-            <span className='tooltip'>Preferences</span>
-          </button>
-
-          {status.isTutorialOpen ? preferenceTutorialElement : null}
-
-        </div>
-
-        {/*<div className={'ArticleNavigator-unsaved' + (hasModified ? '' : ' hide')}>
-          <div className='ArticleNavigator-unsaved-header'>Work in progress</div>
-          <div className='ArticleNavigator-unsaved-list'>
-            {modifiedElements}
-          </div>
-          <div className='ArticleNavigator-unsaved-control'>
-            <button onClick={e => this.handleSaveAllClick()} className='ArticleNavigator-unsaved-control-save-all-button' disabled={modifiedElements.length === 0}>Save all</button>
-          </div>
-        </div>*/}
-
-
-
-        <div className={'ArticleNavigator-folders expand'}>
-          {status.isTutorialOpen ? newFolderTutorialElement : null}
-          <div className='ArticleNavigator-folders-header'>
-            <div className='title'>Folders</div>
-            <button onClick={e => this.handleNewFolderButton(e)} className='addBtn'>
-              <i className='fa fa-fw fa-plus'/>
-              <span className='tooltip'>Create a new folder ({OSX ? '⌘' : '^'} + Shift + n)</span>
-            </button>
-          </div>
-          <div className='folderList'>
-            <button onClick={e => this.handleAllFoldersButtonClick(e)} className={targetFolders.length === 0 ? 'active' : ''}>All folders</button>
-            {folderElememts}
-          </div>
-        </div>
-      </div>
-    )
-  }
-}
-
-ArticleNavigator.propTypes = {
-  dispatch: PropTypes.func,
-  status: PropTypes.shape({
-    folderId: PropTypes.number
-  }),
-  user: PropTypes.object,
-  folders: PropTypes.array,
-  allArticles: PropTypes.array,
-  articles: PropTypes.array,
-  modified: PropTypes.array,
-  activeArticle: PropTypes.shape({
-    key: PropTypes.string
-  })
-}
-
diff --git a/browser/main/HomePage/ArticleTopBar.js b/browser/main/HomePage/ArticleTopBar.js
deleted file mode 100644
index 6fd94095..00000000
--- a/browser/main/HomePage/ArticleTopBar.js
+++ /dev/null
@@ -1,269 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import ExternalLink from 'browser/components/ExternalLink'
-import { setSearchFilter, clearSearch, toggleTutorial, saveArticle, switchFolder } from '../actions'
-import { isModalOpen } from 'browser/lib/modal'
-import keygen from 'browser/lib/keygen'
-import activityRecord from 'browser/lib/activityRecord'
-
-const electron = require('electron')
-const remote = electron.remote
-const ipc = electron.ipcRenderer
-
-const OSX = global.process.platform === 'darwin'
-
-const BRAND_COLOR = '#18AF90'
-
-const searchTutorialElement = (
-  <svg width='750' height='300' className='tutorial'>
-    <text x='125' y='63' fill={BRAND_COLOR} fontSize='24'>Search some posts!!</text>
-    <text x='125' y='90' fill={BRAND_COLOR} fontSize='18'>{'- Search by tag : #{string}'}</text>
-    <text x='125' y='115' fill={BRAND_COLOR} fontSize='18'>
-    {'- Search by folder : /{folder_name}\n'}</text>
-    <text x='140' y='135' fill={BRAND_COLOR} fontSize='14'>
-    {'exact match : //{folder_name}'}</text>
-
-    <svg x='90' width='500' height='300'>
-      <path fill='white' d='M27.2,6.9c-1.7,3.5-6,4.8-8,8.2c-1.8,3.1-2.1,6.8-1.8,10.2c0.7,7,4.2,16.7,10.3,20.7c0.5,0.4,1.4,0.2,1.8-0.2
-        c0.1-0.1,0.2-0.2,0.3-0.3c0.6-0.6,0.6-1.5,0-2.1c-0.2-0.2-0.3-0.4-0.5-0.5c-1.3-1.4-3.2,0.7-1.9,2.1c0.2,0.2-0.3,0.4,0.7,0.5
-        c0-0.7,0-1.4,0-2.1c0,0.1-0.4,0.2-0.5,0.3c0.6-0.1,1.1-0.2,1.7-0.2c-5.7-3.7-9.2-14.5-9-20.9c0.1-4,1.6-6.7,4.8-9.1
-        c2-1.5,3.6-2.6,4.7-4.9C30.6,6.7,28,5.2,27.2,6.9L27.2,6.9z'/>
-      <path fill='white' d='M9.5,24.4c2.4-2.7,4.9-5.4,7.3-8c2.5-2.8,5.7-7.6,9.9-7.8c-0.5-0.5-1-1-1.5-1.5c0.1,6.8,1.9,13.1,5.3,18.9
-        c1,1.7,3.6,0.2,2.6-1.5c-3.2-5.4-4.8-11.1-4.9-17.4c0-0.8-0.7-1.5-1.5-1.5c-3.6,0.2-5.9,2.1-8.3,4.7c-3.7,3.9-7.3,8-11,12
-        C6.1,23.7,8.2,25.9,9.5,24.4L9.5,24.4z'/>
-    </svg>
-  </svg>
-)
-
-const newPostTutorialElement = (
-  <svg width='900' height='900' className='tutorial'>
-    <text x='470' y='50' fill={BRAND_COLOR} fontSize='24'>Create a new post!!</text>
-    <text x='490' y='75' fill={BRAND_COLOR} fontSize='16' children={`press \`${OSX ? '⌘' : '^'} + n\``}/>
-    <svg x='415' y='20' width='400' height='400'>
-      <path fill='white' d='M11.6,14.7c1,5.5,2.9,10.7,5.7,15.5c1,1.7,3.5,0.2,2.6-1.5c-2.6-4.7-4.4-9.6-5.4-14.8
-        C14.1,12,11.3,12.8,11.6,14.7L11.6,14.7z'/>
-      <path fill='white' d='M16.8,17.1c4,0.2,7.6-1.1,10.7-3.6c1.5-1.2-0.6-3.3-2.1-2.1c-2.4,2-5.4,2.9-8.6,2.7C14.9,14,14.9,17,16.8,17.1
-        L16.8,17.1z'/>
-      <path fill='white' d='M13.8,17.6c11.9,3.5,24.1,4.9,36.4,3.9c1.9-0.1,1.9-3.1,0-3c-12.1,0.9-24-0.3-35.6-3.8
-        C12.7,14.1,11.9,17,13.8,17.6L13.8,17.6z'/>
-    </svg>
-  </svg>
-)
-
-export default class ArticleTopBar extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.saveAllHandler = e => {
-      if (isModalOpen()) return true
-      this.handleSaveAllButtonClick(e)
-    }
-    this.focusSearchHandler = e => {
-      if (isModalOpen()) return true
-      this.focusInput(e)
-    }
-    this.newPostHandler = e => {
-      if (isModalOpen()) return true
-      this.handleNewPostButtonClick(e)
-    }
-
-    this.state = {
-      isTooltipHidden: true,
-      isLinksDropdownOpen: false
-    }
-  }
-
-  componentDidMount () {
-    this.searchInput = ReactDOM.findDOMNode(this.refs.searchInput)
-    this.linksButton = ReactDOM.findDOMNode(this.refs.links)
-    this.showLinksDropdown = e => {
-      e.preventDefault()
-      e.stopPropagation()
-      if (!this.state.isLinksDropdownOpen) {
-        this.setState({isLinksDropdownOpen: true})
-      }
-    }
-    this.linksButton.addEventListener('click', this.showLinksDropdown)
-    this.hideLinksDropdown = e => {
-      if (this.state.isLinksDropdownOpen) {
-        this.setState({isLinksDropdownOpen: false})
-      }
-    }
-    document.addEventListener('click', this.hideLinksDropdown)
-
-    // ipc.on('top-save-all', this.saveAllHandler)
-    ipc.on('top-focus-search', this.focusSearchHandler)
-    ipc.on('top-new-post', this.newPostHandler)
-  }
-
-  componentWillUnmount () {
-    document.removeEventListener('click', this.hideLinksDropdown)
-    this.linksButton.removeEventListener('click', this.showLinksDropdown())
-
-    // ipc.removeListener('top-save-all', this.saveAllHandler)
-    ipc.removeListener('top-focus-search', this.focusSearchHandler)
-    ipc.removeListener('top-new-post', this.newPostHandler)
-  }
-
-  handleTooltipRequest (e) {
-    if (this.searchInput.value.length === 0 && (document.activeElement === this.searchInput)) {
-      this.setState({isTooltipHidden: false})
-    } else {
-      this.setState({isTooltipHidden: true})
-    }
-  }
-
-  isInputFocused () {
-    return document.activeElement === ReactDOM.findDOMNode(this.refs.searchInput)
-  }
-
-  escape () {
-    let { status, dispatch } = this.props
-    if (status.search.length > 0) {
-      dispatch(clearSearch())
-      return
-    }
-  }
-
-  focusInput () {
-    this.searchInput.focus()
-  }
-
-  blurInput () {
-    this.searchInput.blur()
-  }
-
-  handleSearchChange (e) {
-    let { dispatch } = this.props
-
-    dispatch(setSearchFilter(e.target.value))
-    this.handleTooltipRequest()
-  }
-
-  handleSearchClearButton (e) {
-    this.searchInput.value = ''
-    this.focusInput()
-  }
-
-  handleNewPostButtonClick (e) {
-    let { dispatch, folders, status } = this.props
-    let { targetFolders } = status
-
-    let isFolderFilterApplied = targetFolders.length > 0
-    let FolderKey = isFolderFilterApplied
-      ? targetFolders[0].key
-      : folders[0].key
-
-    let newArticle = {
-      key: keygen(),
-      title: '',
-      content: '',
-      mode: 'markdown',
-      tags: [],
-      FolderKey: FolderKey,
-      craetedAt: new Date(),
-      updatedAt: new Date()
-    }
-
-    dispatch(saveArticle(newArticle.key, newArticle, true))
-    if (isFolderFilterApplied) dispatch(switchFolder(targetFolders[0].name))
-    remote.getCurrentWebContents().send('detail-title')
-    activityRecord.emit('ARTICLE_CREATE')
-  }
-
-  handleTutorialButtonClick (e) {
-    let { dispatch } = this.props
-
-    dispatch(toggleTutorial())
-  }
-
-  render () {
-    let { status } = this.props
-    return (
-      <div tabIndex='2' className='ArticleTopBar'>
-        <div className='ArticleTopBar-left'>
-          <div className='ArticleTopBar-left-search'>
-            <i className='fa fa-search fa-fw' />
-            <input
-              ref='searchInput'
-              onFocus={e => this.handleSearchChange(e)}
-              onBlur={e => this.handleSearchChange(e)}
-              value={this.props.status.search}
-              onChange={e => this.handleSearchChange(e)}
-              placeholder='Search'
-              type='text'
-            />
-            {
-              this.props.status.search != null && this.props.status.search.length > 0
-                ? <button onClick={e => this.handleSearchClearButton(e)} className='ArticleTopBar-left-search-clear-button'><i className='fa fa-times'/></button>
-                : null
-            }
-            <div className={'tooltip' + (this.state.isTooltipHidden ? ' hide' : '')}>
-              <ul>
-                <li>- Search by tag : #{'{string}'}</li>
-                <li>- Search by folder : /{'{folder_name}'}<br/><small>exact match : //{'{folder_name}'}</small></li>
-                <li>- Only unsaved : --unsaved</li>
-              </ul>
-            </div>
-          </div>
-
-          {status.isTutorialOpen ? searchTutorialElement : null}
-
-          <div className={'ArticleTopBar-left-control'}>
-            <button className='ArticleTopBar-left-control-new-post-button' onClick={e => this.handleNewPostButtonClick(e)}>
-              <i className='fa fa-plus'/>
-              <span className='tooltip'>New Post ({OSX ? '⌘' : '^'} + n)</span>
-            </button>
-            {status.isTutorialOpen ? newPostTutorialElement : null}
-          </div>
-        </div>
-
-        <div className='ArticleTopBar-right'>
-          <button onClick={e => this.handleTutorialButtonClick(e)}>?<span className='tooltip'>How to use</span>
-          </button>
-          <a ref='links' className='ArticleTopBar-right-links-button' href>
-            <img src='../resources/app.png' width='44' height='44'/>
-          </a>
-          {
-            this.state.isLinksDropdownOpen
-              ? (
-                <div className='ArticleTopBar-right-links-button-dropdown'>
-                  <ExternalLink className='ArticleTopBar-right-links-button-dropdown-item' href='https://b00st.io'>
-                    <i className='fa fa-fw fa-home'/>Boost official page
-                  </ExternalLink>
-                  <ExternalLink className='ArticleTopBar-right-links-button-dropdown-item' href='https://github.com/BoostIO/Boostnote/issues'>
-                    <i className='fa fa-fw fa-github'/> Issues
-                  </ExternalLink>
-                </div>
-              )
-              : null
-          }
-        </div>
-
-        {status.isTutorialOpen ? (
-          <div className='tutorial'>
-            <div onClick={e => this.handleTutorialButtonClick(e)} className='clickJammer'/>
-            <svg width='500' height='250' className='finder'>
-              <text x='100' y='25' fontSize='32' fill={BRAND_COLOR}>Also, you can open Finder!!</text>
-              <text x='150' y='55' fontSize='18' fill={BRAND_COLOR} children={'with pressing ' + (OSX ? '`⌘ + Alt + s`' : '`Win + Alt + s`')}/>
-            </svg>
-            <svg width='450' className='global'>
-              <text x='100' y='45' fontSize='24' fill={BRAND_COLOR}>Hope you to enjoy our app :D</text>
-              <text x='50' y='75' fontSize='18' fill={BRAND_COLOR}>Press any key or click to escape tutorial mode</text>
-            </svg>
-            <div className='back'></div>
-          </div>
-        ) : null}
-
-      </div>
-    )
-  }
-}
-
-ArticleTopBar.propTypes = {
-  dispatch: PropTypes.func,
-  status: PropTypes.shape({
-    search: PropTypes.string
-  }),
-  folders: PropTypes.array
-}
diff --git a/browser/main/HomePage/TagLink.js b/browser/main/HomePage/TagLink.js
deleted file mode 100644
index 2193c42c..00000000
--- a/browser/main/HomePage/TagLink.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import React, { PropTypes } from 'react'
-import store from '../store'
-import { setTagFilter } from '../actions'
-
-export default class TagLink extends React.Component {
-  handleClick (e) {
-    store.dispatch(setTagFilter(this.props.tag))
-  }
-  render () {
-    return (
-      <a onClick={e => this.handleClick(e)}>{this.props.tag}</a>
-    )
-  }
-}
-
-TagLink.propTypes = {
-  tag: PropTypes.string
-}
diff --git a/browser/main/HomePage/UserNavigator.js b/browser/main/HomePage/UserNavigator.js
deleted file mode 100644
index e260f749..00000000
--- a/browser/main/HomePage/UserNavigator.js
+++ /dev/null
@@ -1,41 +0,0 @@
-import React, { Component, PropTypes } from 'react'
-import { Link } from 'react-router'
-import ProfileImage from 'browser/components/ProfileImage'
-
-export default class UserNavigator extends Component {
-  renderUserList () {
-    if (this.props.users == null) return null
-
-    var users = this.props.users.map((user, index) => (
-      <li key={'user-' + user.id}>
-        <Link to={'/users/' + user.id} activeClassName='active'>
-          <ProfileImage email={user.email} size='44'/>
-          <div className='userTooltip'>{user.name}</div>
-          {index < 9 ? <div className='keyLabel'>{'⌘' + (index + 1)}</div> : null}
-        </Link>
-      </li>
-    ))
-
-    return (
-      <ul className='userList'>
-        {users}
-      </ul>
-    )
-  }
-
-  render () {
-    return (
-      <div className='UserNavigator'>
-        {this.renderUserList()}
-        <button className='createTeamBtn'>
-          +
-          <div className='tooltip'>Create a new team</div>
-        </button>
-      </div>
-    )
-  }
-}
-
-UserNavigator.propTypes = {
-  users: PropTypes.array
-}
diff --git a/browser/main/HomePage/index.js b/browser/main/HomePage/index.js
deleted file mode 100644
index e8eb88dc..00000000
--- a/browser/main/HomePage/index.js
+++ /dev/null
@@ -1,238 +0,0 @@
-import React, { PropTypes} from 'react'
-import { connect } from 'react-redux'
-import ReactDOM from 'react-dom'
-import { toggleTutorial } from '../actions'
-import ArticleNavigator from './ArticleNavigator'
-import ArticleTopBar from './ArticleTopBar'
-import ArticleList from './ArticleList'
-import ArticleDetail from './ArticleDetail'
-import _ from 'lodash'
-import { isModalOpen, closeModal } from 'browser/lib/modal'
-
-const electron = require('electron')
-const remote = electron.remote
-
-const TEXT_FILTER = 'TEXT_FILTER'
-const FOLDER_FILTER = 'FOLDER_FILTER'
-const FOLDER_EXACT_FILTER = 'FOLDER_EXACT_FILTER'
-const TAG_FILTER = 'TAG_FILTER'
-
-const OSX = global.process.platform === 'darwin'
-
-class HomePage extends React.Component {
-  componentDidMount () {
-    // React自体のKey入力はfocusされていないElementからは動かないため、
-    // `window`に直接かける
-    this.keyHandler = e => this.handleKeyDown(e)
-    window.addEventListener('keydown', this.keyHandler)
-  }
-
-  componentWillUnmount () {
-    window.removeEventListener('keydown', this.keyHandler)
-  }
-
-  handleKeyDown (e) {
-    if (isModalOpen()) {
-      if (e.keyCode === 27) closeModal()
-      return
-    }
-
-    let { status, dispatch } = this.props
-    let { top, list } = this.refs
-    let listElement = ReactDOM.findDOMNode(list)
-
-    if (status.isTutorialOpen) {
-      dispatch(toggleTutorial())
-      e.preventDefault()
-      return
-    }
-
-    if (e.keyCode === 13 && top.isInputFocused()) {
-      listElement.focus()
-      return
-    }
-    if (e.keyCode === 27 && top.isInputFocused()) {
-      if (status.search.length > 0) top.escape()
-      else listElement.focus()
-      return
-    }
-
-    // Search inputがfocusされていたら大体のキー入力は無視される。
-    if (e.keyCode === 27) {
-      if (document.activeElement !== listElement) {
-        listElement.focus()
-      } else {
-        top.focusInput()
-      }
-      return
-    }
-  }
-
-  render () {
-    let { dispatch, status, user, articles, allArticles, modified, activeArticle, folders, tags } = this.props
-
-    return (
-      <div className='HomePage'>
-        <ArticleNavigator
-          ref='nav'
-          dispatch={dispatch}
-          status={status}
-          user={user}
-          folders={folders}
-          allArticles={allArticles}
-          articles={articles}
-          modified={modified}
-          activeArticle={activeArticle}
-        />
-        <ArticleTopBar
-          ref='top'
-          dispatch={dispatch}
-          status={status}
-          folders={folders}
-        />
-        <ArticleList
-          ref='list'
-          dispatch={dispatch}
-          folders={folders}
-          articles={articles}
-          modified={modified}
-          activeArticle={activeArticle}
-        />
-        <ArticleDetail
-          ref='detail'
-          dispatch={dispatch}
-          status={status}
-          tags={tags}
-          user={user}
-          folders={folders}
-          modified={modified}
-          activeArticle={activeArticle}
-        />
-      </div>
-    )
-  }
-}
-
-// Ignore invalid key
-function ignoreInvalidKey (key) {
-  return key.length > 0 && !key.match(/^\/\/$/) && !key.match(/^\/$/) && !key.match(/^#$/) && !key.match(/^--/)
-}
-
-// Build filter object by key
-function buildFilter (key) {
-  if (key.match(/^\/\/.+/)) {
-    return {type: FOLDER_EXACT_FILTER, value: key.match(/^\/\/(.+)$/)[1]}
-  }
-  if (key.match(/^\/.+/)) {
-    return {type: FOLDER_FILTER, value: key.match(/^\/(.+)$/)[1]}
-  }
-  if (key.match(/^#(.+)/)) {
-    return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
-  }
-  return {type: TEXT_FILTER, value: key}
-}
-
-function isContaining (target, needle) {
-  return target.match(new RegExp(_.escapeRegExp(needle), 'i'))
-}
-
-function startsWith (target, needle) {
-  return target.match(new RegExp('^' + _.escapeRegExp(needle), 'i'))
-}
-
-function remap (state) {
-  let { user, folders, status } = state
-  let _articles = state.articles
-
-  let articles = _articles != null ? _articles.data : []
-  let modified = _articles != null ? _articles.modified : []
-
-  articles.sort((a, b) => {
-    let match = new Date(b.updatedAt) - new Date(a.updatedAt)
-    if (match === 0) match = b.title.localeCompare(a.title)
-    if (match === 0) match = b.key.localeCompare(a.key)
-    return match
-  })
-  let allArticles = articles.slice()
-
-  let tags = _.uniq(allArticles.reduce((sum, article) => {
-    if (!_.isArray(article.tags)) return sum
-    return sum.concat(article.tags)
-  }, []))
-
-  if (status.search.split(' ').some(key => key === '--unsaved')) articles = articles.filter(article => _.findWhere(modified, {key: article.key}))
-  // Filter articles
-  let filters = status.search.split(' ')
-    .map(key => key.trim())
-    .filter(ignoreInvalidKey)
-    .map(buildFilter)
-
-  let folderExactFilters = filters.filter(filter => filter.type === FOLDER_EXACT_FILTER)
-  let folderFilters = filters.filter(filter => filter.type === FOLDER_FILTER)
-  let textFilters = filters.filter(filter => filter.type === TEXT_FILTER)
-  let tagFilters = filters.filter(filter => filter.type === TAG_FILTER)
-
-  let targetFolders
-  if (folders != null) {
-    let exactTargetFolders = folders.filter(folder => {
-      return _.find(folderExactFilters, filter => filter.value.toLowerCase() === folder.name.toLowerCase())
-    })
-    let fuzzyTargetFolders = folders.filter(folder => {
-      return _.find(folderFilters, filter => startsWith(folder.name.replace(/_/g, ''), filter.value.replace(/_/g, '')))
-    })
-    targetFolders = status.targetFolders = exactTargetFolders.concat(fuzzyTargetFolders)
-
-    if (targetFolders.length > 0) {
-      articles = articles.filter(article => {
-        return _.findWhere(targetFolders, {key: article.FolderKey})
-      })
-    }
-
-    if (textFilters.length > 0) {
-      articles = textFilters.reduce((articles, textFilter) => {
-        return articles.filter(article => {
-          return isContaining(article.title, textFilter.value) || isContaining(article.content, textFilter.value)
-        })
-      }, articles)
-    }
-
-    if (tagFilters.length > 0) {
-      articles = tagFilters.reduce((articles, tagFilter) => {
-        return articles.filter(article => {
-          return _.find(article.tags, tag => isContaining(tag, tagFilter.value))
-        })
-      }, articles)
-    }
-  }
-
-  // Grab active article
-  let activeArticle = _.findWhere(articles, {key: status.articleKey})
-  if (activeArticle == null) activeArticle = articles[0]
-
-  return {
-    user,
-    folders,
-    status,
-    articles,
-    allArticles,
-    modified,
-    activeArticle,
-    tags
-  }
-}
-
-HomePage.propTypes = {
-  status: PropTypes.shape(),
-  user: PropTypes.shape({
-    name: PropTypes.string
-  }),
-  articles: PropTypes.array,
-  allArticles: PropTypes.array,
-  modified: PropTypes.array,
-  activeArticle: PropTypes.shape(),
-  dispatch: PropTypes.func,
-  folders: PropTypes.array,
-  tags: PropTypes.array
-}
-
-export default connect(remap)(HomePage)
diff --git a/browser/main/Main.js b/browser/main/Main.js
new file mode 100644
index 00000000..8c688833
--- /dev/null
+++ b/browser/main/Main.js
@@ -0,0 +1,159 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './Main.styl'
+import { connect } from 'react-redux'
+import SideNav from './SideNav'
+import TopBar from './TopBar'
+import NoteList from './NoteList'
+import Detail from './Detail'
+import dataApi from 'browser/main/lib/dataApi'
+import StatusBar from './StatusBar'
+import _ from 'lodash'
+import ConfigManager from 'browser/main/lib/ConfigManager'
+import modal from 'browser/main/lib/modal'
+import InitModal from 'browser/main/modals/InitModal'
+
+class Main extends React.Component {
+  constructor (props) {
+    super(props)
+
+    let { config } = props
+
+    this.state = {
+      isSliderFocused: false,
+      listWidth: config.listWidth
+    }
+  }
+
+  componentDidMount () {
+    let { dispatch } = this.props
+
+    // Reload all data
+    dataApi.init()
+      .then((data) => {
+        dispatch({
+          type: 'INIT_ALL',
+          storages: data.storages,
+          notes: data.notes
+        })
+
+        if (data.storages.length < 1) {
+          modal.open(InitModal)
+        }
+      })
+  }
+
+  handleSlideMouseDown (e) {
+    e.preventDefault()
+    this.setState({
+      isSliderFocused: true
+    })
+  }
+
+  handleMouseUp (e) {
+    if (this.state.isSliderFocused) {
+      this.setState({
+        isSliderFocused: false
+      }, () => {
+        let { dispatch } = this.props
+        let newListWidth = this.state.listWidth
+        // TODO: ConfigManager should dispatch itself.
+        ConfigManager.set({listWidth: newListWidth})
+        dispatch({
+          type: 'SET_LIST_WIDTH',
+          listWidth: newListWidth
+        })
+      })
+    }
+  }
+
+  handleMouseMove (e) {
+    if (this.state.isSliderFocused) {
+      let offset = this.refs.body.getBoundingClientRect().left
+      let newListWidth = e.pageX - offset
+      if (newListWidth < 10) {
+        newListWidth = 10
+      } else if (newListWidth > 600) {
+        newListWidth = 600
+      }
+      this.setState({
+        listWidth: newListWidth
+      })
+    }
+  }
+
+  render () {
+    let { config } = this.props
+
+    return (
+      <div
+        className='Main'
+        styleName='root'
+        onMouseMove={(e) => this.handleMouseMove(e)}
+        onMouseUp={(e) => this.handleMouseUp(e)}
+      >
+        <SideNav
+          {..._.pick(this.props, [
+            'dispatch',
+            'storages',
+            'config',
+            'location'
+          ])}
+        />
+        <div styleName={config.isSideNavFolded ? 'body--expanded' : 'body'}
+          ref='body'
+        >
+          <TopBar style={{width: this.state.listWidth}}
+            {..._.pick(this.props, [
+              'dispatch',
+              'storages',
+              'config',
+              'notes',
+              'params',
+              'location'
+            ])}
+          />
+          <NoteList style={{width: this.state.listWidth}}
+            {..._.pick(this.props, [
+              'dispatch',
+              'storages',
+              'notes',
+              'config',
+              'params',
+              'location'
+            ])}
+          />
+          <div styleName={this.state.isSliderFocused ? 'slider--active' : 'slider'}
+            style={{left: this.state.listWidth}}
+            onMouseDown={(e) => this.handleSlideMouseDown(e)}
+            draggable='false'
+          >
+            <div styleName='slider-hitbox'/>
+          </div>
+          <Detail
+            style={{left: this.state.listWidth + 1}}
+            {..._.pick(this.props, [
+              'dispatch',
+              'storages',
+              'notes',
+              'config',
+              'params',
+              'location'
+            ])}
+            ignorePreviewPointerEvents={this.state.isSliderFocused}
+          />
+        </div>
+        <StatusBar
+          {..._.pick(this.props, ['config', 'location', 'dispatch'])}
+        />
+      </div>
+    )
+  }
+}
+
+Main.propTypes = {
+  dispatch: PropTypes.func,
+  repositories: PropTypes.array
+}
+
+export default connect((x) => x)(CSSModules(Main, styles))
diff --git a/browser/main/Main.styl b/browser/main/Main.styl
new file mode 100644
index 00000000..f16a583c
--- /dev/null
+++ b/browser/main/Main.styl
@@ -0,0 +1,30 @@
+.root
+  absolute top left bottom right
+
+.body
+  absolute right top
+  bottom $statusBar-height - 1
+  left $sideNav-width
+
+.body--expanded
+  @extend .body
+  left $sideNav--folded-width
+
+.slider
+  absolute top bottom
+  width 1px
+  background-color $ui-borderColor
+  border-width 0
+  border-style solid
+  border-color $ui-borderColor
+
+.slider--active
+  @extend .slider
+  background-color $ui-button--active-backgroundColor
+
+.slider-hitbox
+  absolute top bottom left right
+  width 7px
+  left -3px
+  z-index 10
+  cursor col-resize
diff --git a/browser/main/MainPage.js b/browser/main/MainPage.js
deleted file mode 100644
index fb729bd5..00000000
--- a/browser/main/MainPage.js
+++ /dev/null
@@ -1,54 +0,0 @@
-const electron = require('electron')
-const ipc = electron.ipcRenderer
-import React, { PropTypes } from 'react'
-import HomePage from './HomePage'
-
-export default class MainContainer extends React.Component {
-  constructor (props) {
-    super(props)
-    this.state = {updateAvailable: false}
-  }
-
-  componentDidMount () {
-    ipc.on('update-available', function (message) {
-      this.setState({updateAvailable: true})
-    }.bind(this))
-  }
-
-  updateApp () {
-    ipc.send('update-app', 'Deal with it.')
-  }
-
-  handleWheel (e) {
-    if (e.ctrlKey && global.process.platform !== 'darwin') {
-      if (window.document.body.style.zoom == null) {
-        window.document.body.style.zoom = 1
-      }
-
-      let zoom = Number(window.document.body.style.zoom)
-      if (e.deltaY > 0 && zoom < 4) {
-        document.body.style.zoom = zoom + 0.05
-      } else if (e.deltaY < 0 && zoom > 0.5) {
-        document.body.style.zoom = zoom - 0.05
-      }
-    }
-  }
-
-  render () {
-    return (
-      <div
-        className='Main'
-        onWheel={(e) => this.handleWheel(e)}
-      >
-        {this.state.updateAvailable ? (
-        <button onClick={this.updateApp} className='appUpdateButton'><i className='fa fa-cloud-download'/> Update available!</button>
-        ) : null}
-        <HomePage/>
-      </div>
-    )
-  }
-}
-
-MainContainer.propTypes = {
-  children: PropTypes.element
-}
diff --git a/browser/main/HomePage/ArticleDetail/ShareButton.js b/browser/main/NoteDetail/ShareButton.js
similarity index 100%
rename from browser/main/HomePage/ArticleDetail/ShareButton.js
rename to browser/main/NoteDetail/ShareButton.js
diff --git a/browser/main/NoteList/NoteList.styl b/browser/main/NoteList/NoteList.styl
new file mode 100644
index 00000000..d7166f9e
--- /dev/null
+++ b/browser/main/NoteList/NoteList.styl
@@ -0,0 +1,93 @@
+.root
+  absolute left bottom
+  border-top $ui-border
+  border-bottom $ui-border
+  overflow auto
+  top $topBar-height - 1
+
+.item
+  position relative
+  height 80px
+  border-bottom $ui-border
+  padding 0 5px
+  user-select none
+  cursor pointer
+  transition background-color 0.15s
+  &:hover
+    background-color alpha($ui-active-color, 10%)
+
+.item--active
+  @extend .item
+  .item-border
+    border-color $ui-active-color
+
+.item-border
+  absolute top bottom left right
+  border-style solid
+  border-width 2px
+  border-color transparent
+  transition 0.15s
+
+.item-info
+  height 30px
+  clearfix()
+  font-size 12px
+  color $ui-inactive-text-color
+  line-height 30px
+  overflow-y hidden
+
+.item-info-left
+  float left
+  overflow ellipsis
+
+.item-info-left-folder
+  border-left 4px solid transparent
+  padding 2px 5px
+  color $ui-text-color
+.item-info-left-folder-surfix
+  font-size 10px
+  margin-left 5px
+  color $ui-inactive-text-color
+.item-info-right
+  float right
+
+.item-title
+  height 20px
+  line-height 20px
+  padding 0 5px 0 0
+  font-weight bold
+  overflow ellipsis
+  color $ui-text-color
+.item-title-icon
+  font-size 12px
+  color $ui-inactive-text-color
+  padding-right 3px
+.item-title-empty
+  font-weight normal
+  color $ui-inactive-text-color
+
+.item-tagList
+  height 30px
+  font-size 12px
+  line-height 30px
+  overflow ellipsis
+
+.item-tagList-icon
+  vertical-align middle
+  color $ui-button-color
+
+.item-tagList-item
+  margin 0 4px
+  padding 0 4px
+  height 20px
+  border-radius 3px
+  vertical-align middle
+  border-style solid
+  border-color $ui-borderColor
+  border-width 0 0 0 3px
+  background-color $ui-backgroundColor
+
+.item-tagList-empty
+  color $ui-inactive-text-color
+  vertical-align middle
+
diff --git a/browser/main/NoteList/index.js b/browser/main/NoteList/index.js
new file mode 100644
index 00000000..f60a45da
--- /dev/null
+++ b/browser/main/NoteList/index.js
@@ -0,0 +1,299 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './NoteList.styl'
+import moment from 'moment'
+import _ from 'lodash'
+import ee from 'browser/main/lib/eventEmitter'
+
+class NoteList extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.selectNextNoteHandler = () => {
+      console.log('fired next')
+      this.selectNextNote()
+    }
+    this.selectPriorNoteHandler = () => {
+      this.selectPriorNote()
+    }
+  }
+
+  componentDidMount () {
+    this.refreshTimer = setInterval(() => this.forceUpdate(), 60 * 1000)
+    ee.on('list:next', this.selectNextNoteHandler)
+    ee.on('list:prior', this.selectPriorNoteHandler)
+  }
+
+  componentWillUnmount () {
+    clearInterval(this.refreshTimer)
+
+    ee.off('list:next', this.selectNextNoteHandler)
+    ee.off('list:prior', this.selectPriorNoteHandler)
+  }
+
+  componentDidUpdate () {
+    let { location } = this.props
+    if (this.notes.length > 0 && location.query.key == null) {
+      let { router } = this.context
+      router.replace({
+        pathname: location.pathname,
+        query: {
+          key: this.notes[0].uniqueKey
+        }
+      })
+      return
+    }
+
+    // Auto scroll
+    if (_.isString(location.query.key)) {
+      let targetIndex = _.findIndex(this.notes, (note) => {
+        return note.uniqueKey === location.query.key
+      })
+      if (targetIndex > -1) {
+        let list = this.refs.root
+        let item = list.childNodes[targetIndex]
+
+        let overflowBelow = item.offsetTop + item.clientHeight - list.clientHeight - list.scrollTop > 0
+        if (overflowBelow) {
+          list.scrollTop = item.offsetTop + item.clientHeight - list.clientHeight
+        }
+        let overflowAbove = list.scrollTop > item.offsetTop
+        if (overflowAbove) {
+          list.scrollTop = item.offsetTop
+        }
+      }
+    }
+  }
+
+  selectPriorNote () {
+    if (this.notes == null || this.notes.length === 0) {
+      return
+    }
+    let { router } = this.context
+    let { location } = this.props
+
+    let targetIndex = _.findIndex(this.notes, (note) => {
+      return note.uniqueKey === location.query.key
+    })
+
+    if (targetIndex === 0) {
+      return
+    }
+    targetIndex--
+    if (targetIndex < 0) targetIndex = 0
+
+    router.push({
+      pathname: location.pathname,
+      query: {
+        key: this.notes[targetIndex].uniqueKey
+      }
+    })
+  }
+
+  selectNextNote () {
+    if (this.notes == null || this.notes.length === 0) {
+      return
+    }
+    let { router } = this.context
+    let { location } = this.props
+
+    let targetIndex = _.findIndex(this.notes, (note) => {
+      return note.uniqueKey === location.query.key
+    })
+
+    if (targetIndex === this.notes.length - 1) {
+      return
+    }
+    targetIndex++
+    if (targetIndex < 0) targetIndex = 0
+    else if (targetIndex > this.notes.length - 1) targetIndex === this.notes.length - 1
+
+    router.push({
+      pathname: location.pathname,
+      query: {
+        key: this.notes[targetIndex].uniqueKey
+      }
+    })
+    ee.emit('list:moved')
+  }
+
+  handleNoteListKeyDown (e) {
+    if (e.metaKey || e.ctrlKey) return true
+
+    // if (e.keyCode === 65 && !e.shiftKey) {
+    //   e.preventDefault()
+    //   remote.getCurrentWebContents().send('top-new-post')
+    // }
+
+    // if (e.keyCode === 65 && e.shiftKey) {
+    //   e.preventDefault()
+    //   remote.getCurrentWebContents().send('nav-new-folder')
+    // }
+
+    // if (e.keyCode === 68) {
+    //   e.preventDefault()
+    //   remote.getCurrentWebContents().send('detail-delete')
+    // }
+
+    // if (e.keyCode === 84) {
+    //   e.preventDefault()
+    //   remote.getCurrentWebContents().send('detail-title')
+    // }
+
+    // if (e.keyCode === 69) {
+    //   e.preventDefault()
+    // }
+
+    // if (e.keyCode === 83) {
+    //   e.preventDefault()
+    //   remote.getCurrentWebContents().send('detail-save')
+    // }
+
+    if (e.keyCode === 38) {
+      e.preventDefault()
+      this.selectPriorNote()
+    }
+
+    if (e.keyCode === 40) {
+      e.preventDefault()
+      this.selectNextNote()
+    }
+  }
+
+  getNotes () {
+    let { storages, notes, params, location } = this.props
+
+    if (location.pathname.match(/\/home/)) {
+      return notes
+    }
+
+    if (location.pathname.match(/\/starred/)) {
+      return notes
+        .filter((note) => note.isStarred)
+    }
+
+    let storageKey = params.storageKey
+    let folderKey = params.folderKey
+    let storage = _.find(storages, {key: storageKey})
+    if (storage == null) return []
+
+    let folder = _.find(storage.folders, {key: folderKey})
+    if (folder == null) {
+      return notes
+        .filter((note) => note.storage === storageKey)
+    }
+
+    return notes
+      .filter((note) => note.folder === folderKey)
+  }
+
+  handleNoteClick (uniqueKey) {
+    return (e) => {
+      let { router } = this.context
+      let { location } = this.props
+
+      router.push({
+        pathname: location.pathname,
+        query: {
+          key: uniqueKey
+        }
+      })
+    }
+  }
+
+  render () {
+    let { location, storages, notes } = this.props
+    this.notes = notes = this.getNotes()
+      .sort((a, b) => new Date(b.updatedAt) - new Date(a.updatedAt))
+
+    let noteList = notes
+      .map((note) => {
+        let storage = _.find(storages, {key: note.storage})
+        let folder = _.find(storage.folders, {key: note.folder})
+        let tagElements = _.isArray(note.tags)
+          ? note.tags.map((tag) => {
+            return (
+              <span styleName='item-tagList-item'
+                key={tag}>
+                {tag}
+              </span>
+            )
+          })
+          : []
+        let isActive = location.query.key === note.uniqueKey
+        return (
+          <div styleName={isActive
+              ? 'item--active'
+              : 'item'
+            }
+            key={note.uniqueKey}
+            onClick={(e) => this.handleNoteClick(note.uniqueKey)(e)}
+          >
+            <div styleName='item-border'/>
+            <div styleName='item-info'>
+
+              <div styleName='item-info-left'>
+                <span styleName='item-info-left-folder'
+                  style={{borderColor: folder.color}}
+                >
+                  {folder.name}
+                  <span styleName='item-info-left-folder-surfix'>in {storage.name}</span>
+                </span>
+              </div>
+
+              <div styleName='item-info-right'>
+                {moment(note.updatedAt).fromNow()}
+              </div>
+
+            </div>
+
+            <div styleName='item-title'>
+              {note.type === 'SNIPPET_NOTE'
+                ? <i styleName='item-title-icon' className='fa fa-fw fa-code'/>
+                : <i styleName='item-title-icon' className='fa fa-fw fa-file-text-o'/>
+              }
+              {note.title.trim().length > 0
+                ? note.title
+                : <span styleName='item-title-empty'>Empty</span>
+              }
+            </div>
+
+            <div styleName='item-tagList'>
+              <i styleName='item-tagList-icon'
+                className='fa fa-tags fa-fw'
+              />
+              {tagElements.length > 0
+                ? tagElements
+                : <span styleName='item-tagList-empty'>Not tagged yet</span>
+              }
+            </div>
+          </div>
+        )
+      })
+
+    return (
+      <div className='NoteList'
+        styleName='root'
+        ref='root'
+        tabIndex='0'
+        onKeyDown={(e) => this.handleNoteListKeyDown(e)}
+        style={this.props.style}
+      >
+        {noteList}
+      </div>
+    )
+  }
+}
+NoteList.contextTypes = {
+  router: PropTypes.shape([])
+}
+
+NoteList.propTypes = {
+  dispatch: PropTypes.func,
+  repositories: PropTypes.array,
+  style: PropTypes.shape({
+    width: PropTypes.number
+  })
+}
+
+export default CSSModules(NoteList, styles)
diff --git a/browser/main/SideNav/SideNav.styl b/browser/main/SideNav/SideNav.styl
new file mode 100644
index 00000000..7d9dc948
--- /dev/null
+++ b/browser/main/SideNav/SideNav.styl
@@ -0,0 +1,122 @@
+.root
+  absolute top left
+  bottom $statusBar-height - 1
+  width $sideNav-width
+  border-right $ui-border
+  border-bottom $ui-border
+  background-color $ui-backgroundColor
+  user-select none
+  color $ui-text-color
+
+.top
+  height $topBar-height
+  border-bottom $ui-border
+
+.top-menu
+  navButtonColor()
+  height $topBar-height - 1
+  padding 0 10px
+  font-size 14px
+  width 100%
+  text-align left
+
+.top-menu-label
+  margin-left 5px
+
+.menu
+  margin-top 15px
+
+.menu-button
+  navButtonColor()
+  height 44px
+  padding 0 10px
+  font-size 14px
+  width 100%
+  text-align left
+
+.menu-button--active
+  @extend .menu-button
+  background-color $ui-button--active-backgroundColor
+  color $ui-button--active-color
+  &:hover
+    background-color $ui-button--active-backgroundColor
+
+.menu-button-label
+  margin-left 5px
+
+.storageList
+  absolute left right
+  bottom 44px
+  top 178px
+  overflow-y auto
+
+.storageList-empty
+  padding 0 10px
+  margin-top 15px
+  line-height 24px
+  color $ui-inactive-text-color
+
+.navToggle
+  navButtonColor()
+  display block
+  position absolute
+  right 5px
+  bottom 5px
+  border-radius 16.5px
+  height 34px
+  width 34px
+  line-height 32px
+  padding 0
+
+.root--folded
+  @extend .root
+  width 44px
+  .storageList-empty
+    white-space nowrap
+    transform rotate(90deg)
+  .top-menu
+    width 44px - 1
+    text-align center
+    &:hover .top-menu-label
+      width 100px
+  .top-menu-label
+    position fixed
+    display inline-block
+    height 34px
+    left 44px
+    width 0
+    margin-top -5px
+    margin-left 0
+    overflow hidden
+    background-color $ui-tooltip-backgroundColor
+    z-index 10
+    color white
+    line-height 34px
+    border-top-right-radius 5px
+    border-bottom-right-radius 5px
+    transition width 0.15s
+    pointer-events none
+  .menu-button, .menu-button--active
+    width 44px - 1
+    text-align center
+    &:hover .menu-button-label
+      width 100px
+  // TODO: extract tooltip style to a mixin
+  .menu-button-label
+    position fixed
+    display inline-block
+    height 34px
+    left 44px
+    width 0
+    padding-left 0
+    margin-top -9px
+    margin-left 0
+    overflow ellipsis
+    background-color $ui-tooltip-backgroundColor
+    z-index 10
+    color white
+    line-height 34px
+    border-top-right-radius 5px
+    border-bottom-right-radius 5px
+    transition width 0.15s
+    pointer-events none
diff --git a/browser/main/SideNav/StorageItem.js b/browser/main/SideNav/StorageItem.js
new file mode 100644
index 00000000..3fb5caf0
--- /dev/null
+++ b/browser/main/SideNav/StorageItem.js
@@ -0,0 +1,95 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './StorageItem.styl'
+import { hashHistory } from 'react-router'
+
+class StorageItem extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      isOpen: true
+    }
+  }
+
+  handleToggleButtonClick (e) {
+    this.setState({
+      isOpen: !this.state.isOpen
+    })
+  }
+
+  handleHeaderInfoClick (e) {
+    let { storage } = this.props
+    hashHistory.push('/storages/' + storage.key)
+  }
+
+  handleFolderButtonClick (folderKey) {
+    return (e) => {
+      let { storage } = this.props
+      hashHistory.push('/storages/' + storage.key + '/folders/' + folderKey)
+    }
+  }
+
+  render () {
+    let { storage, location } = this.props
+    let folderList = storage.folders.map((folder) => {
+      let isActive = location.pathname.match(new RegExp('\/storages\/' + storage.key + '\/folders\/' + folder.key))
+      return <button styleName={isActive
+          ? 'folderList-item--active'
+          : 'folderList-item'
+        }
+        key={folder.key}
+        onClick={(e) => this.handleFolderButtonClick(folder.key)(e)}
+      >
+        <span styleName='folderList-item-name'
+          style={{borderColor: folder.color}}
+        >
+          {folder.name}
+        </span>
+      </button>
+    })
+
+    let isActive = location.pathname.match(new RegExp('\/storages\/' + storage.key + '$'))
+
+    return (
+      <div styleName='root'
+        key={storage.key}
+      >
+        <div styleName={isActive
+              ? 'header--active'
+              : 'header'
+            }>
+          <button styleName='header-toggleButton'
+            onMouseDown={(e) => this.handleToggleButtonClick(e)}
+          >
+            <i className={this.state.isOpen
+                ? 'fa fa-caret-down'
+                : 'fa fa-caret-right'
+              }
+            />
+          </button>
+          <button styleName='header-info'
+            onClick={(e) => this.handleHeaderInfoClick(e)}
+          >
+            <span styleName='header-info-name'>
+              {storage.name}
+            </span>
+            <span styleName='header-info-path'>
+              ({storage.path})
+            </span>
+          </button>
+        </div>
+        {this.state.isOpen &&
+          <div styleName='folderList' >
+            {folderList}
+          </div>
+        }
+      </div>
+    )
+  }
+}
+
+StorageItem.propTypes = {
+}
+
+export default CSSModules(StorageItem, styles)
diff --git a/browser/main/SideNav/StorageItem.styl b/browser/main/SideNav/StorageItem.styl
new file mode 100644
index 00000000..171aacc3
--- /dev/null
+++ b/browser/main/SideNav/StorageItem.styl
@@ -0,0 +1,89 @@
+.root
+  width 100%
+  user-select none
+.header
+  position relative
+  height 30px
+  width 100%
+  &:hover
+    background-color $ui-button--hover-backgroundColor
+  &:active
+    .header-toggleButton
+      color white
+.header--active
+  @extend .header
+  .header-info
+    color $ui-button--active-color
+    background-color $ui-button--active-backgroundColor
+  .header-toggleButton
+    color white
+    &:active
+      color white
+
+.header-toggleButton
+  position absolute
+  left 0
+  width 25px
+  height 30px
+  padding 0
+  border none
+  color $ui-inactive-text-color
+  background-color transparent
+  &:hover
+    color $ui-text-color
+  &:active
+    color $ui-active-color
+
+.header-info
+  display block
+  width 100%
+  height 30px
+  padding-left 25px
+  padding-right 10px
+  line-height 30px
+  cursor pointer
+  font-size 14px
+  border none
+  overflow ellipsis
+  text-align left
+  background-color transparent
+  color $ui-inactive-text-color
+  &:active
+    color $ui-button--active-color
+    background-color $ui-button--active-backgroundColor
+
+.header-info-path
+  font-size 10px
+  margin 0 5px
+
+.folderList-item
+  display block
+  width 100%
+  height 3 0px
+  background-color transparent
+  color $ui-inactive-text-color
+  padding 0
+  margin 2px 0
+  text-align left
+  border none
+  font-size 14px
+  &:hover
+    background-color $ui-button--hover-backgroundColor
+  &:active
+    color $ui-button--active-color
+    background-color $ui-button--active-backgroundColor
+.folderList-item--active
+  @extend .folderList-item
+  color $ui-button--active-color
+  background-color $ui-button--active-backgroundColor
+  &:hover
+    color $ui-button--active-color
+    background-color $ui-button--active-backgroundColor
+.folderList-item-name
+  display block
+  padding 0 10px
+  height 30px
+  line-height 30px
+  border-width 0 0 0 4px
+  border-style solid
+  border-color transparent
diff --git a/browser/main/SideNav/index.js b/browser/main/SideNav/index.js
new file mode 100644
index 00000000..d688b9d3
--- /dev/null
+++ b/browser/main/SideNav/index.js
@@ -0,0 +1,116 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './SideNav.styl'
+import { openModal } from 'browser/main/lib/modal'
+import PreferencesModal from '../modals/PreferencesModal'
+import ConfigManager from 'browser/main/lib/ConfigManager'
+import StorageItem from './StorageItem'
+
+const electron = require('electron')
+const { remote } = electron
+
+class SideNav extends React.Component {
+  // TODO: should not use electron stuff v0.7
+  handleMenuButtonClick (e) {
+    openModal(PreferencesModal)
+  }
+
+  handleHomeButtonClick (e) {
+    let { router } = this.context
+    router.push('/home')
+  }
+
+  handleStarredButtonClick (e) {
+    let { router } = this.context
+    router.push('/starred')
+  }
+
+  handleToggleButtonClick (e) {
+    let { dispatch, config } = this.props
+
+    ConfigManager.set({isSideNavFolded: !config.isSideNavFolded})
+    dispatch({
+      type: 'SET_IS_SIDENAV_FOLDED',
+      isFolded: !config.isSideNavFolded
+    })
+  }
+
+  render () {
+    let { storages, location, config } = this.props
+
+    let isFolded = config.isSideNavFolded
+    let isHomeActive = location.pathname.match(/^\/home$/)
+    let isStarredActive = location.pathname.match(/^\/starred$/)
+    let storageList = storages.map((storage) => {
+      return <StorageItem
+        key={storage.key}
+        storage={storage}
+        location={location}
+      />
+    })
+
+    return (
+      <div className='SideNav'
+        styleName={isFolded ? 'root--folded' : 'root'}
+        tabIndex='1'
+      >
+        <div styleName='top'>
+          <button styleName='top-menu'
+            onClick={(e) => this.handleMenuButtonClick(e)}
+          >
+            <i className='fa fa-navicon fa-fw'/>
+            <span styleName='top-menu-label'>Menu</span>
+          </button>
+        </div>
+
+        <div styleName='menu'>
+          <button styleName={isHomeActive ? 'menu-button--active' : 'menu-button'}
+            onClick={(e) => this.handleHomeButtonClick(e)}
+          >
+            <i className='fa fa-home fa-fw'/>
+            <span styleName='menu-button-label'>Home</span>
+          </button>
+          <button styleName={isStarredActive ? 'menu-button--active' : 'menu-button'}
+            onClick={(e) => this.handleStarredButtonClick(e)}
+          >
+            <i className='fa fa-star fa-fw'/>
+            <span styleName='menu-button-label'>Starred</span>
+          </button>
+        </div>
+
+        <div styleName='storageList'>
+          {storageList.length > 0 ? storageList : (
+            <div styleName='storageList-empty'>No storage mount.</div>
+          )}
+        </div>
+        {false &&
+          <button styleName='navToggle'
+            onClick={(e) => this.handleToggleButtonClick(e)}
+          >
+            {isFolded
+              ? <i className='fa fa-angle-double-right'/>
+              : <i className='fa fa-angle-double-left'/>
+            }
+          </button>
+        }
+      </div>
+    )
+  }
+}
+
+SideNav.contextTypes = {
+  router: PropTypes.shape({})
+}
+
+SideNav.propTypes = {
+  dispatch: PropTypes.func,
+  storages: PropTypes.array,
+  config: PropTypes.shape({
+    isSideNavFolded: PropTypes.bool
+  }),
+  location: PropTypes.shape({
+    pathname: PropTypes.string
+  })
+}
+
+export default CSSModules(SideNav, styles)
diff --git a/browser/main/StatusBar/StatusBar.styl b/browser/main/StatusBar/StatusBar.styl
new file mode 100644
index 00000000..f91d5930
--- /dev/null
+++ b/browser/main/StatusBar/StatusBar.styl
@@ -0,0 +1,38 @@
+.root
+  absolute bottom left right
+  height $statusBar-height - 1
+  background-color $ui-backgroundColor
+
+.pathname
+  absolute left
+  height 24px
+  overflow ellipsis
+  right 185px
+  line-height 24px
+  font-size 12px
+  padding 0 15px
+  color $ui-inactive-text-color
+
+.zoom
+  navButtonColor()
+  absolute right
+  height 24px
+  width 60px
+  border-width 0 1px
+  border-style solid
+  border-color $ui-borderColor
+
+.update
+  navButtonColor()
+  position absolute
+  right 60px
+  height 24px
+  width 125px
+  border-width 0 0 0 1px
+  border-style solid
+  border-color $ui-borderColor
+  &:active .update-icon
+    color white
+
+.update-icon
+  color $brand-color
diff --git a/browser/main/StatusBar/index.js b/browser/main/StatusBar/index.js
new file mode 100644
index 00000000..4a1ade40
--- /dev/null
+++ b/browser/main/StatusBar/index.js
@@ -0,0 +1,94 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './StatusBar.styl'
+import ZoomManager from 'browser/main/lib/ZoomManager'
+
+const electron = require('electron')
+const ipc = electron.ipcRenderer
+const { remote } = electron
+const { Menu, MenuItem, dialog } = remote
+
+const zoomOptions = [0.8, 0.9, 1, 1.1, 1.2, 1.3]
+
+class StatusBar extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      updateAvailable: false
+    }
+  }
+
+  componentDidMount () {
+    ipc.on('update-available', function (message) {
+      this.setState({updateAvailable: true})
+    }.bind(this))
+  }
+
+  updateApp () {
+    let index = dialog.showMessageBox(remote.getCurrentWindow(), {
+      type: 'warning',
+      message: 'Update Boostnote',
+      detail: 'New Boostnote is ready to be installed.',
+      buttons: ['Restart & Install', 'Not Now']
+    })
+
+    if (index === 0) {
+      ipc.send('update-app', 'Deal with it.')
+    }
+  }
+
+  handleZoomButtonClick (e) {
+    let menu = new Menu()
+
+    zoomOptions.forEach((zoom) => {
+      menu.append(new MenuItem({
+        label: Math.floor(zoom * 100) + '%',
+        click: () => this.handleZoomMenuItemClick(zoom)
+      }))
+    })
+
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleZoomMenuItemClick (zoomFactor) {
+    let { dispatch } = this.props
+    ZoomManager.setZoom(zoomFactor)
+    dispatch({
+      type: 'SET_ZOOM',
+      zoom: zoomFactor
+    })
+  }
+
+  render () {
+    let { config, location } = this.props
+
+    return (
+      <div className='StatusBar'
+        styleName='root'
+      >
+        <div styleName='pathname'>{location.pathname + location.search}</div>
+        {this.state.updateAvailable
+          ? <button onClick={this.updateApp} styleName='update'>
+            <i styleName='update-icon' className='fa fa-cloud-download'/> Update is available!
+          </button>
+          : null
+        }
+        <button styleName='zoom'
+          onClick={(e) => this.handleZoomButtonClick(e)}
+        >
+          <i className='fa fa-search-plus'/>&nbsp;
+          {Math.floor(config.zoom * 100)}%
+        </button>
+      </div>
+    )
+  }
+}
+
+StatusBar.propTypes = {
+  config: PropTypes.shape({
+    zoom: PropTypes.number
+  })
+}
+
+export default CSSModules(StatusBar, styles)
diff --git a/browser/main/TopBar/TopBar.styl b/browser/main/TopBar/TopBar.styl
new file mode 100644
index 00000000..ae6a18e9
--- /dev/null
+++ b/browser/main/TopBar/TopBar.styl
@@ -0,0 +1,106 @@
+.root
+  position relative
+  width 100%
+  background-color $ui-backgroundColor
+  height $topBar-height - 1
+
+$control-height = 34px
+
+.control
+  position absolute
+  top 8px
+  left 8px
+  right 8px
+  height $control-height
+  border $ui-border
+  border-radius 20px
+  overflow hidden
+.control-search
+  absolute top left bottom
+  right 40px
+  background-color white
+
+.control-search-icon
+  absolute top bottom left
+  line-height 32px
+  width 35px
+  color $ui-inactive-text-color
+
+.control-search-input
+  display block
+  absolute top bottom right
+  left 30px
+  input
+    width 100%
+    height 100%
+    outline none
+    border none
+
+.control-search-optionList
+  position fixed
+  z-index 200
+  width 275px
+  height 175px
+  overflow-y auto
+  background-color $modal-background
+  border-radius 2px
+  box-shadow 2px 2px 10px gray
+
+.control-search-optionList-item
+  height 50px
+  border-bottom $ui-border
+  transition background-color 0.15s
+  padding 5px
+  cursor pointer
+  overflow ellipsis
+  &:hover
+    background-color alpha($ui-active-color, 10%)
+.control-search-optionList-item-folder
+  border-left 4px solid transparent
+  padding 2px 5px
+  color $ui-text-color
+  overflow ellipsis
+  font-size 12px
+  height 16px
+  margin-bottom 4px
+.control-search-optionList-item-folder-surfix
+  font-size 10px
+  margin-left 5px
+  color $ui-inactive-text-color
+.control-search-optionList-item-type
+  font-size 12px
+  color $ui-inactive-text-color
+  padding-right 3px
+.control-search-optionList-empty
+  height 150px
+  color $ui-inactive-text-color
+  line-height 150px
+  text-align center
+.control-newPostButton
+  display block
+  absolute top right bottom
+  width 40px
+  height $control-height - 2
+  navButtonColor()
+  border-left $ui-border
+  font-size 14px
+  line-height 28px
+  padding 0
+  &:active
+    border-color $ui-button--active-backgroundColor
+  &:hover .left-control-newPostButton-tooltip
+    display block
+
+.control-newPostButton-tooltip
+  position fixed
+  line-height 1.4
+  background-color $ui-tooltip-backgroundColor
+  color $ui-tooltip-text-color
+  font-size 10px
+  margin-left -25px
+  margin-top 5px
+  padding 5px
+  z-index 1
+  border-radius 5px
+  display none
+  pointer-events none
diff --git a/browser/main/TopBar/index.js b/browser/main/TopBar/index.js
new file mode 100644
index 00000000..e575056d
--- /dev/null
+++ b/browser/main/TopBar/index.js
@@ -0,0 +1,216 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './TopBar.styl'
+import _ from 'lodash'
+import modal from 'browser/main/lib/modal'
+import NewNoteModal from 'browser/main/modals/NewNoteModal'
+import { hashHistory } from 'react-router'
+import ee from 'browser/main/lib/eventEmitter'
+
+const OSX = window.process.platform === 'darwin'
+
+class TopBar extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      search: '',
+      searchOptions: [],
+      searchPopupOpen: false
+    }
+
+    this.newNoteHandler = () => {
+      this.handleNewPostButtonClick()
+    }
+  }
+
+  componentDidMount () {
+    ee.on('top:new-note', this.newNoteHandler)
+  }
+
+  componentWillUnmount () {
+    ee.off('top:new-note', this.newNoteHandler)
+  }
+
+  handleNewPostButtonClick (e) {
+    let { storages, params, dispatch, location } = this.props
+    let storage = _.find(storages, {key: params.storageKey})
+    if (storage == null) storage = storages[0]
+    if (storage == null) throw new Error('No storage to create a note')
+    let folder = _.find(storage.folders, {key: params.folderKey})
+    if (folder == null) folder = storage.folders[0]
+    if (folder == null) throw new Error('No folder to craete a note')
+
+    modal.open(NewNoteModal, {
+      storage: storage.key,
+      folder: folder.key,
+      dispatch,
+      location
+    })
+  }
+
+  handleSearchChange (e) {
+    this.setState({
+      search: this.refs.searchInput.value
+    })
+  }
+
+  getOptions () {
+    let { notes } = this.props
+    let { search } = this.state
+    if (search.trim().length === 0) return []
+    let searchBlocks = search.split(' ')
+    searchBlocks.forEach((block) => {
+      if (block.match(/^#.+/)) {
+        let tag = block.match(/#(.+)/)[1]
+        notes = notes
+          .filter((note) => {
+            if (!_.isArray(note.tags)) return false
+            return note.tags.some((_tag) => {
+              return _tag === tag
+            })
+          })
+      } else {
+        notes = notes.filter((note) => {
+          if (note.type === 'SNIPPET_NOTE') {
+            return note.description.match(block)
+          } else if (note.type === 'MARKDOWN_NOTE') {
+            return note.content.match(block)
+          }
+          return false
+        })
+      }
+    })
+
+    return notes
+  }
+
+  handleOptionClick (uniqueKey) {
+    return (e) => {
+      this.setState({
+        searchPopupOpen: false
+      }, () => {
+        let { location } = this.props
+        hashHistory.push({
+          pathname: location.pathname,
+          query: {
+            key: uniqueKey
+          }
+        })
+      })
+    }
+  }
+
+  handleSearchFocus (e) {
+    this.setState({
+      searchPopupOpen: true
+    })
+  }
+  handleSearchBlur (e) {
+    e.stopPropagation()
+
+    let el = e.relatedTarget
+    let isStillFocused = false
+    while (el != null) {
+      if (el === this.refs.search) {
+        isStillFocused = true
+        break
+      }
+      el = el.parentNode
+    }
+    if (!isStillFocused) {
+      this.setState({
+        searchPopupOpen: false
+      })
+    }
+  }
+
+  render () {
+    let { config, style, storages } = this.props
+    let searchOptionList = this.getOptions()
+      .map((note) => {
+        let storage = _.find(storages, {key: note.storage})
+        let folder = _.find(storage.folders, {key: note.folder})
+        return <div styleName='control-search-optionList-item'
+          key={note.uniqueKey}
+          onClick={(e) => this.handleOptionClick(note.uniqueKey)(e)}
+        >
+          <div styleName='control-search-optionList-item-folder'
+            style={{borderColor: folder.color}}>
+            {folder.name}
+            <span styleName='control-search-optionList-item-folder-surfix'>in {storage.name}</span>
+          </div>
+          {note.type === 'SNIPPET_NOTE'
+            ? <i styleName='control-search-optionList-item-type' className='fa fa-code'/>
+            : <i styleName='control-search-optionList-item-type' className='fa fa-file-text-o'/>
+          }&nbsp;
+          {note.title}
+        </div>
+      })
+
+    return (
+      <div className='TopBar'
+        styleName={config.isSideNavFolded ? 'root--expanded' : 'root'}
+        style={style}
+      >
+        <div styleName='control'>
+          <div styleName='control-search'>
+            <i styleName='control-search-icon' className='fa fa-search fa-fw'/>
+            <div styleName='control-search-input'
+              onFocus={(e) => this.handleSearchFocus(e)}
+              onBlur={(e) => this.handleSearchBlur(e)}
+              tabIndex='-1'
+              ref='search'
+            >
+              <input
+                ref='searchInput'
+                value={this.state.search}
+                onChange={(e) => this.handleSearchChange(e)}
+                placeholder='Search'
+                type='text'
+              />
+              {this.state.searchPopupOpen &&
+                <div styleName='control-search-optionList'>
+                  {searchOptionList.length > 0
+                    ? searchOptionList
+                    : <div styleName='control-search-optionList-empty'>Empty List</div>
+                  }
+                </div>
+              }
+            </div>
+            {this.state.search > 0 &&
+              <button styleName='left-search-clearButton'
+                onClick={(e) => this.handleSearchClearButton(e)}
+              >
+                <i className='fa fa-times'/>
+              </button>
+            }
+
+          </div>
+          <button styleName='control-newPostButton'
+            onClick={(e) => this.handleNewPostButtonClick(e)}>
+            <i className='fa fa-plus'/>
+            <span styleName='control-newPostButton-tooltip'>
+              New Note {OSX ? '⌘' : '^'} + n
+            </span>
+          </button>
+        </div>
+      </div>
+    )
+  }
+}
+
+TopBar.contextTypes = {
+  router: PropTypes.shape({
+    push: PropTypes.func
+  })
+}
+
+TopBar.propTypes = {
+  dispatch: PropTypes.func,
+  config: PropTypes.shape({
+    isSideNavFolded: PropTypes.bool
+  })
+}
+
+export default CSSModules(TopBar, styles)
diff --git a/browser/main/actions.js b/browser/main/actions.js
deleted file mode 100644
index 37e02f58..00000000
--- a/browser/main/actions.js
+++ /dev/null
@@ -1,178 +0,0 @@
-// Action types
-export const USER_UPDATE = 'USER_UPDATE'
-
-export const ARTICLE_UPDATE = 'ARTICLE_UPDATE'
-export const ARTICLE_DESTROY = 'ARTICLE_DESTROY'
-export const ARTICLE_SAVE = 'ARTICLE_SAVE'
-export const ARTICLE_SAVE_ALL = 'ARTICLE_SAVE_ALL'
-export const ARTICLE_CACHE = 'ARTICLE_CACHE'
-export const ARTICLE_UNCACHE = 'ARTICLE_UNCACHE'
-export const ARTICLE_UNCACHE_ALL = 'ARTICLE_UNCACHE_ALL'
-
-export const FOLDER_CREATE = 'FOLDER_CREATE'
-export const FOLDER_UPDATE = 'FOLDER_UPDATE'
-export const FOLDER_DESTROY = 'FOLDER_DESTROY'
-export const FOLDER_REPLACE = 'FOLDER_REPLACE'
-
-export const SWITCH_FOLDER = 'SWITCH_FOLDER'
-export const SWITCH_ARTICLE = 'SWITCH_ARTICLE'
-export const SET_SEARCH_FILTER = 'SET_SEARCH_FILTER'
-export const SET_TAG_FILTER = 'SET_TAG_FILTER'
-export const CLEAR_SEARCH = 'CLEAR_SEARCH'
-
-export const TOGGLE_TUTORIAL = 'TOGGLE_TUTORIAL'
-
-// Article status
-export const NEW = 'NEW'
-
-export function updateUser (input) {
-  return {
-    type: USER_UPDATE,
-    data: input
-  }
-}
-
-// DB
-export function cacheArticle (key, article) {
-  return {
-    type: ARTICLE_CACHE,
-    data: { key, article }
-  }
-}
-
-export function uncacheArticle (key) {
-  return {
-    type: ARTICLE_UNCACHE,
-    data: { key }
-  }
-}
-
-export function uncacheAllArticles () {
-  return {
-    type: ARTICLE_UNCACHE_ALL
-  }
-}
-
-export function saveArticle (key, article, forceSwitch) {
-  return {
-    type: ARTICLE_SAVE,
-    data: { key, article, forceSwitch }
-  }
-}
-
-export function saveAllArticles () {
-  return {
-    type: ARTICLE_SAVE_ALL
-  }
-}
-
-export function updateArticle (article) {
-  return {
-    type: ARTICLE_UPDATE,
-    data: { article }
-  }
-}
-
-export function destroyArticle (key) {
-  return {
-    type: ARTICLE_DESTROY,
-    data: { key }
-  }
-}
-
-export function createFolder (folder) {
-  return {
-    type: FOLDER_CREATE,
-    data: { folder }
-  }
-}
-
-export function updateFolder (folder) {
-  return {
-    type: FOLDER_UPDATE,
-    data: { folder }
-  }
-}
-
-export function destroyFolder (key) {
-  return {
-    type: FOLDER_DESTROY,
-    data: { key }
-  }
-}
-
-export function replaceFolder (a, b) {
-  return {
-    type: FOLDER_REPLACE,
-    data: {
-      a,
-      b
-    }
-  }
-}
-
-export function switchFolder (folderName) {
-  return {
-    type: SWITCH_FOLDER,
-    data: folderName
-  }
-}
-
-export function switchArticle (articleKey) {
-  return {
-    type: SWITCH_ARTICLE,
-    data: {
-      key: articleKey
-    }
-  }
-}
-
-export function setSearchFilter (search) {
-  return {
-    type: SET_SEARCH_FILTER,
-    data: search
-  }
-}
-
-export function setTagFilter (tag) {
-  return {
-    type: SET_TAG_FILTER,
-    data: tag
-  }
-}
-
-export function clearSearch () {
-  return {
-    type: CLEAR_SEARCH
-  }
-}
-
-export function toggleTutorial () {
-  return {
-    type: TOGGLE_TUTORIAL
-  }
-}
-
-export default {
-  updateUser,
-
-  updateArticle,
-  destroyArticle,
-  cacheArticle,
-  uncacheArticle,
-  uncacheAllArticles,
-  saveArticle,
-  saveAllArticles,
-
-  createFolder,
-  updateFolder,
-  destroyFolder,
-  replaceFolder,
-
-  switchFolder,
-  switchArticle,
-  setSearchFilter,
-  setTagFilter,
-  clearSearch,
-  toggleTutorial
-}
diff --git a/browser/main/global.styl b/browser/main/global.styl
new file mode 100644
index 00000000..d4073aff
--- /dev/null
+++ b/browser/main/global.styl
@@ -0,0 +1,85 @@
+global-reset()
+
+DEFAULT_FONTS = 'Lato', helvetica, arial, sans-serif
+
+html, body
+  width 100%
+  height 100%
+  overflow hidden
+
+body
+  font-family DEFAULT_FONTS
+  color textColor
+  font-size fontSize
+  font-weight 400
+
+button, input, select, textarea
+  font-family DEFAULT_FONTS
+
+div, span, a, button, input, textarea
+  box-sizing border-box
+
+a
+  color $brand-color
+  &:hover
+    color lighten($brand-color, 5%)
+  &:visited
+    color $brand-color
+
+hr
+  border-top none
+  border-bottom solid 1px $border-color
+  margin 15px 0
+
+button
+  font-weight 400
+  cursor pointer
+  font-size 12px
+  &:focus, &.focus
+    outline none
+  &:disabled
+    cursor not-allowed
+input
+  &:disabled
+    cursor not-allowed
+.noSelect
+  noSelect()
+
+.text-center
+  text-align center
+
+.form-group
+  margin-bottom 15px
+  &>label
+    display block
+    margin-bottom 5px
+
+textarea.block-input
+  resize vertical
+  height 125px
+  border-radius 5px
+  padding 5px 10px
+
+#content
+  fullsize()
+
+modalZIndex= 1000
+modalBackColor = transparentify(white, 65%)
+.ace_focus
+  outline-color rgb(59, 153, 252)
+  outline-offset 0px
+  outline-style auto
+  outline-width 5px
+.ModalBase
+  fixed top left bottom right
+  z-index modalZIndex
+  display flex
+  align-items center
+  justify-content center
+
+  &.hide
+    display none
+  .modalBack
+    absolute top left bottom right
+    background-color modalBackColor
+    z-index modalZIndex + 1
diff --git a/browser/main/index.js b/browser/main/index.js
index 1bc6f297..015dffed 100644
--- a/browser/main/index.js
+++ b/browser/main/index.js
@@ -1,34 +1,18 @@
 import { Provider } from 'react-redux'
-import MainPage from './MainPage'
+import Main from './Main'
 import store from './store'
 import React from 'react'
 import ReactDOM from 'react-dom'
-require('../styles/main/index.styl')
-import { openModal } from 'browser/lib/modal'
-import OSSAnnounceModal from './modal/OSSAnnounceModal'
+require('!!style!css!stylus?sourceMap!./global.styl')
 import activityRecord from 'browser/lib/activityRecord'
-import fetchConfig from '../lib/fetchConfig'
+import { Router, Route, IndexRoute, IndexRedirect, hashHistory } from 'react-router'
+import { syncHistoryWithStore } from 'react-router-redux'
+
 const electron = require('electron')
 const ipc = electron.ipcRenderer
 const path = require('path')
 const remote = electron.remote
 
-let config = fetchConfig()
-applyConfig(config)
-
-ipc.on('config-apply', function (e, newConfig) {
-  config = newConfig
-  applyConfig(config)
-})
-
-function applyConfig (config) {
-  let body = document.body
-  body.setAttribute('data-theme', config['theme-ui'])
-
-  let hljsCss = document.getElementById('hljs-css')
-  hljsCss.setAttribute('href', '../node_modules/highlight.js/styles/' + config['theme-code'] + '.css')
-}
-
 if (process.env.NODE_ENV !== 'production') {
   window.addEventListener('keydown', function (e) {
     if (e.keyCode === 73 && e.metaKey && e.altKey) {
@@ -74,21 +58,26 @@ ipc.on('open-finder', function () {
 })
 
 let el = document.getElementById('content')
+const history = syncHistoryWithStore(hashHistory, store)
+
 ReactDOM.render((
-  <div>
-    <Provider store={store}>
-      <MainPage/>
-    </Provider>
-  </div>
+  <Provider store={store}>
+    <Router history={history}>
+      <Route path='/' component={Main}>
+        <IndexRedirect to='/home'/>
+        <Route path='home'/>
+        <Route path='starred'/>
+        <Route path='storages'>
+          <IndexRedirect to='/home'/>
+          <Route path=':storageKey'>
+            <IndexRoute/>
+            <Route path='folders/:folderKey'/>
+          </Route>
+        </Route>
+      </Route>
+    </Router>
+  </Provider>
 ), el, function () {
   let loadingCover = document.getElementById('loadingCover')
   loadingCover.parentNode.removeChild(loadingCover)
-  let status = JSON.parse(localStorage.getItem('status'))
-  if (status == null) status = {}
-
-  if (!status.ossAnnounceWatched) {
-    openModal(OSSAnnounceModal)
-    status.ossAnnounceWatched = true
-    localStorage.setItem('status', JSON.stringify(status))
-  }
 })
diff --git a/browser/main/lib/Commander.js b/browser/main/lib/Commander.js
new file mode 100644
index 00000000..959de5f0
--- /dev/null
+++ b/browser/main/lib/Commander.js
@@ -0,0 +1,31 @@
+let callees = []
+
+function bind (name, el) {
+  callees.push({
+    name: name,
+    element: el
+  })
+}
+
+function release (el) {
+  callees = callees.filter((callee) => callee.element !== el)
+}
+
+function fire (command) {
+  console.info('COMMAND >>', command)
+  let splitted = command.split(':')
+  let target = splitted[0]
+  let targetCommand = splitted[1]
+  let targetCallees = callees
+    .filter((callee) => callee.name === target)
+
+  targetCallees.forEach((callee) => {
+    callee.element.fire(targetCommand)
+  })
+}
+
+export default {
+  bind,
+  release,
+  fire
+}
diff --git a/browser/main/lib/ConfigManager.js b/browser/main/lib/ConfigManager.js
new file mode 100644
index 00000000..075ac8e1
--- /dev/null
+++ b/browser/main/lib/ConfigManager.js
@@ -0,0 +1,84 @@
+import _ from 'lodash'
+
+const OSX = global.process.platform === 'darwin'
+const electron = require('electron')
+const { ipcRenderer } = electron
+
+const defaultConfig = {
+  zoom: 1,
+  isSideNavFolded: false,
+  listWidth: 250,
+  hotkey: {
+    toggleFinder: OSX ? 'Cmd + Alt + S' : 'Super + Alt + S',
+    toggleMain: OSX ? 'Cmd + Alt + L' : 'Super + Alt + E'
+  },
+  ui: {
+    theme: 'default',
+    disableDirectWrite: false
+  },
+  editor: {
+    theme: 'xcode',
+    fontSize: '14',
+    fontFamily: 'Monaco, Consolas',
+    indentType: 'space',
+    indentSize: '4',
+    switchPreview: 'BLUR' // Available value: RIGHTCLICK, BLUR
+  },
+  preview: {
+    fontSize: '14',
+    fontFamily: 'Lato',
+    codeBlockTheme: 'xcode',
+    lineNumber: true
+  }
+}
+
+function validate (config) {
+  if (!_.isObject(config)) return false
+  if (!_.isNumber(config.zoom) || config.zoom < 0) return false
+  if (!_.isBoolean(config.isSideNavFolded)) return false
+  if (!_.isNumber(config.listWidth) || config.listWidth <= 0) return false
+
+  return true
+}
+
+function _save (config) {
+  console.log(config)
+  window.localStorage.setItem('config', JSON.stringify(config))
+}
+
+function get () {
+  let config = window.localStorage.getItem('config')
+
+  try {
+    config = Object.assign({}, defaultConfig, JSON.parse(config))
+    if (!validate(config)) throw new Error('INVALID CONFIG')
+  } catch (err) {
+    console.warn('Boostnote resets the malformed configuration.')
+    config = defaultConfig
+    _save(config)
+  }
+
+  return config
+}
+
+function set (updates) {
+  let currentConfig = get()
+  let newConfig = Object.assign({}, defaultConfig, currentConfig, updates)
+  if (!validate(newConfig)) throw new Error('INVALID CONFIG')
+  _save(newConfig)
+  ipcRenderer.send('CONFIG_RENEW', {
+    config: get(),
+    silent: false
+  })
+}
+
+ipcRenderer.send('CONFIG_RENEW', {
+  config: get(),
+  silent: true
+})
+
+export default {
+  get,
+  set,
+  validate
+}
diff --git a/browser/main/lib/ZoomManager.js b/browser/main/lib/ZoomManager.js
new file mode 100644
index 00000000..463df222
--- /dev/null
+++ b/browser/main/lib/ZoomManager.js
@@ -0,0 +1,30 @@
+import ConfigManager from './ConfigManager'
+
+const electron = require('electron')
+const { remote } = electron
+
+_init()
+
+function _init () {
+  setZoom(getZoom(), true)
+}
+
+function _saveZoom (zoomFactor) {
+  ConfigManager.set({zoom: zoomFactor})
+}
+
+function setZoom (zoomFactor, noSave = false) {
+  if (!noSave) _saveZoom(zoomFactor)
+  remote.getCurrentWebContents().setZoomFactor(zoomFactor)
+}
+
+function getZoom () {
+  let config = ConfigManager.get()
+
+  return config.zoom
+}
+
+export default {
+  setZoom,
+  getZoom
+}
diff --git a/browser/main/lib/dataApi.js b/browser/main/lib/dataApi.js
new file mode 100644
index 00000000..77a3d04e
--- /dev/null
+++ b/browser/main/lib/dataApi.js
@@ -0,0 +1,565 @@
+const keygen = require('browser/lib/keygen')
+const CSON = require('season')
+const path = require('path')
+const _ = require('lodash')
+const sander = require('sander')
+const consts = require('browser/lib/consts')
+
+let storages = []
+let notes = []
+
+let queuedTasks = []
+
+function queueSaveFolder (storageKey, folderKey) {
+  let storage = _.find(storages, {key: storageKey})
+  if (storage == null) throw new Error('Failed to queue: Storage doesn\'t exist.')
+
+  let targetTasks = queuedTasks.filter((task) => task.storage === storageKey && task.folder === folderKey)
+  targetTasks.forEach((task) => {
+    clearTimeout(task.timer)
+  })
+  queuedTasks = queuedTasks.filter((task) => task.storage !== storageKey || task.folder !== folderKey)
+  let newTimer = setTimeout(() => {
+    let folderNotes = notes.filter((note) => note.storage === storageKey && note.folder === folderKey)
+    sander
+      .writeFile(path.join(storage.cache.path, folderKey, 'data.json'), JSON.stringify({
+        notes: folderNotes.map((note) => {
+          let json = note.toJSON()
+          delete json.storage
+          return json
+        })
+      }))
+  }, 1500)
+
+  queuedTasks.push({
+    storage: storageKey,
+    folder: folderKey,
+    timer: newTimer
+  })
+}
+
+class Storage {
+  constructor (cache) {
+    this.key = cache.key
+    this.cache = cache
+  }
+
+  loadJSONData () {
+    return new Promise((resolve, reject) => {
+      try {
+        let data = CSON.readFileSync(path.join(this.cache.path, 'boostnote.json'))
+        this.data = data
+        resolve(this)
+      } catch (err) {
+        reject(err)
+      }
+    })
+  }
+
+  toJSON () {
+    return Object.assign({}, this.cache, this.data)
+  }
+
+  initStorage () {
+    return this.loadJSONData()
+      .catch((err) => {
+        console.error(err.code)
+        if (err.code === 'ENOENT') {
+          let initialStorage = {
+            folders: []
+          }
+
+          return sander.writeFile(path.join(this.cache.path, 'boostnote.json'), JSON.stringify(initialStorage))
+        } else throw err
+      })
+      .then(() => this.loadJSONData())
+  }
+
+  saveData () {
+    return sander
+      .writeFile(path.join(this.cache.path, 'boostnote.json'), JSON.stringify(this.data))
+      .then(() => this)
+  }
+
+  saveCache () {
+    _saveCaches()
+  }
+
+  static forge (cache) {
+    let instance = new this(cache)
+    return instance
+  }
+}
+
+class Note {
+  constructor (note) {
+    this.storage = note.storage
+    this.folder = note.folder
+    this.key = note.key
+    this.uniqueKey = `${note.storage}-${note.folder}-${note.key}`
+    this.data = note
+  }
+
+  toJSON () {
+    return Object.assign({}, this.data, {
+      uniqueKey: this.uniqueKey
+    })
+  }
+
+  save () {
+    let storage = _.find(storages, {key: this.storage})
+    if (storage == null) return Promise.reject(new Error('Storage doesn\'t exist.'))
+    let folder = _.find(storage.data.folders, {key: this.folder})
+    if (folder == null) return Promise.reject(new Error('Storage doesn\'t exist.'))
+
+    // FS MUST BE MANIPULATED BY ASYNC METHOD
+    queueSaveFolder(storage.key, folder.key)
+    return Promise.resolve(this)
+  }
+
+  static forge (note) {
+    let instance = new this(note)
+
+    return Promise.resolve(instance)
+  }
+}
+
+function init () {
+  let fetchStorages = function () {
+    let caches
+    try {
+      caches = JSON.parse(localStorage.getItem('storages'))
+      if (!_.isArray(caches)) throw new Error('Cached data is not valid.')
+    } catch (e) {
+      console.error(e)
+      caches = []
+      localStorage.setItem('storages', JSON.stringify(caches))
+    }
+
+    return caches.map((cache) => {
+      return Storage
+        .forge(cache)
+        .loadJSONData()
+        .catch((err) => {
+          console.error(err)
+          console.error('Failed to load a storage JSON File: %s', cache)
+          return null
+        })
+    })
+  }
+
+  let fetchNotes = function (storages) {
+    let notes = []
+    let modifiedStorages = []
+    storages
+      .forEach((storage) => {
+        storage.data.folders.forEach((folder) => {
+          let dataPath = path.join(storage.cache.path, folder.key, 'data.json')
+          let data
+          try {
+            data = CSON.readFileSync(dataPath)
+          } catch (e) {
+            // Remove folder if fetching failed.
+            console.error('Failed to load data: %s', dataPath)
+            storage.data.folders = storage.data.folders.filter((_folder) => _folder.key !== folder.key)
+            if (modifiedStorages.some((modified) => modified.key === storage.key)) modifiedStorages.push(storage)
+            return
+          }
+          data.notes.forEach((note) => {
+            note.storage = storage.key
+            note.folder = folder.key
+            notes.push(Note.forge(note))
+          })
+        })
+      }, [])
+    return Promise
+      .all(modifiedStorages.map((storage) => storage.saveData()))
+      .then(() => Promise.all(notes))
+  }
+
+  return Promise.all(fetchStorages())
+    .then((_storages) => {
+      storages = _storages.filter((storage) => {
+        if (!_.isObject(storage)) return false
+        return true
+      })
+      _saveCaches()
+
+      return storages
+    })
+    .then(fetchNotes)
+    .then((_notes) => {
+      notes = _notes
+      return {
+        storages: storages.map((storage) => storage.toJSON()),
+        notes: notes.map((note) => note.toJSON())
+      }
+    })
+}
+
+function _saveCaches () {
+  localStorage.setItem('storages', JSON.stringify(storages.map((storage) => storage.cache)))
+}
+
+function addStorage (input) {
+  if (!_.isString(input.path) || !input.path.match(/^\//)) {
+    return Promise.reject(new Error('Path must be absolute.'))
+  }
+
+  let key = keygen()
+  while (storages.some((storage) => storage.key === key)) {
+    key = keygen()
+  }
+
+  return Storage
+    .forge({
+      name: input.name,
+      key: key,
+      type: input.type,
+      path: input.path
+    })
+    .initStorage()
+    .then((storage) => {
+      let _notes = []
+      let isFolderRemoved = false
+      storage.data.folders.forEach((folder) => {
+        let dataPath = path.join(storage.cache.path, folder.key, 'data.json')
+        let data
+        try {
+          data = CSON.readFileSync(dataPath)
+        } catch (e) {
+          // Remove folder if fetching failed.
+          console.error('Failed to load data: %s', dataPath)
+          storage.data.folders = storage.data.folders.filter((_folder) => _folder.key !== folder.key)
+          isFolderRemoved = true
+          return true
+        }
+        data.notes.forEach((note) => {
+          note.storage = storage.key
+          note.folder = folder.key
+          _notes.push(Note.forge(note))
+        })
+      })
+
+      return Promise.all(_notes)
+        .then((_notes) => {
+          notes = notes.concat(_notes)
+          let data = {
+            storage: storage,
+            notes: _notes
+          }
+          return isFolderRemoved
+            ? storage.saveData().then(() => data)
+            : data
+        })
+    })
+    .then((data) => {
+      storages = storages.filter((storage) => storage.key !== data.storage.key)
+      storages.push(data.storage)
+      _saveCaches()
+
+      if (data.storage.data.folders.length < 1) {
+        return createFolder(data.storage.key, {
+          name: 'Default',
+          color: consts.FOLDER_COLORS[0]
+        }).then(() => data)
+      }
+
+      return data
+    })
+    .then((data) => {
+      return {
+        storage: data.storage.toJSON(),
+        notes: data.notes.map((note) => note.toJSON())
+      }
+    })
+}
+
+function removeStorage (key) {
+  storages = storages.filter((storage) => storage.key !== key)
+  _saveCaches()
+  notes = notes.filter((note) => note.storage !== key)
+  return Promise.resolve(true)
+}
+
+function renameStorage (key, name) {
+  let storage = _.find(storages, {key: key})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+  storage.cache.name = name
+  storage.saveCache()
+
+  return Promise.resolve(storage.toJSON())
+}
+
+function migrateFromV5 (key, data) {
+  let oldFolders = data.folders
+  let oldArticles = data.articles
+  let storage = _.find(storages, {key: key})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+
+  let migrateFolders = oldFolders.map((oldFolder) => {
+    let folderKey = keygen()
+    while (storage.data.folders.some((folder) => folder.key === folderKey)) {
+      folderKey = keygen()
+    }
+    let newFolder = {
+      key: folderKey,
+      name: oldFolder.name,
+      color: consts.FOLDER_COLORS[Math.floor(Math.random() * 7) % 7]
+    }
+    storage.data.folders.push(newFolder)
+    let articles = oldArticles.filter((article) => article.FolderKey === oldFolder.key)
+    let folderNotes = []
+    articles.forEach((article) => {
+      let noteKey = keygen()
+      while (notes.some((note) => note.storage === key && note.folder === folderKey && note.key === noteKey)) {
+        key = keygen()
+      }
+      if (article.mode === 'markdown') {
+        let newNote = new Note({
+          tags: article.tags,
+          createdAt: article.createdAt,
+          updatedAt: article.updatedAt,
+          folder: folderKey,
+          storage: key,
+          type: 'MARKDOWN_NOTE',
+          isStarred: false,
+          title: article.title,
+          content: '# ' + article.title + '\n\n' + article.content,
+          key: noteKey
+        })
+        notes.push(newNote)
+        folderNotes.push(newNote)
+      } else {
+        let newNote = new Note({
+          tags: article.tags,
+          createdAt: article.createdAt,
+          updatedAt: article.updatedAt,
+          folder: folderKey,
+          storage: key,
+          type: 'SNIPPET_NOTE',
+          isStarred: false,
+          title: article.title,
+          description: article.title,
+          key: noteKey,
+          snippets: [{
+            name: article.mode,
+            mode: article.mode,
+            content: article.content
+          }]
+        })
+        notes.push(newNote)
+        folderNotes.push(newNote)
+      }
+    })
+
+    return sander
+      .writeFile(path.join(storage.cache.path, folderKey, 'data.json'), JSON.stringify({
+        notes: folderNotes.map((note) => {
+          let json = note.toJSON()
+          delete json.storage
+          return json
+        })
+      }))
+  })
+  return Promise.all(migrateFolders)
+    .then(() => storage.saveData())
+    .then(() => {
+      return {
+        storage: storage.toJSON(),
+        notes: notes.filter((note) => note.storage === key)
+          .map((note) => note.toJSON())
+      }
+    })
+}
+
+function createFolder (key, input) {
+  let storage = _.find(storages, {key: key})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+
+  let folderKey = keygen()
+  while (storage.data.folders.some((folder) => folder.key === folderKey)) {
+    folderKey = keygen()
+  }
+
+  let newFolder = {
+    key: folderKey,
+    name: input.name,
+    color: input.color
+  }
+
+  const defaultData = {notes: []}
+  // FS MUST BE MANIPULATED BY ASYNC METHOD
+  return sander
+    .writeFile(path.join(storage.cache.path, folderKey, 'data.json'), JSON.stringify(defaultData))
+    .then(() => {
+      storage.data.folders.push(newFolder)
+      return storage
+        .saveData()
+        .then((storage) => storage.toJSON())
+    })
+}
+
+function updateFolder (storageKey, folderKey, input) {
+  let storage = _.find(storages, {key: storageKey})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+  let folder = _.find(storage.data.folders, {key: folderKey})
+  folder.color = input.color
+  folder.name = input.name
+
+  return storage
+    .saveData()
+    .then((storage) => storage.toJSON())
+}
+
+function removeFolder (storageKey, folderKey) {
+  let storage = _.find(storages, {key: storageKey})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+  storage.data.folders = storage.data.folders.filter((folder) => folder.key !== folderKey)
+  notes = notes.filter((note) => note.storage !== storageKey || note.folder !== folderKey)
+
+  // FS MUST BE MANIPULATED BY ASYNC METHOD
+  return sander
+    .rimraf(path.join(storage.cache.path, folderKey))
+    .catch((err) => {
+      if (err.code === 'ENOENT') return true
+      else throw err
+    })
+    .then(() => storage.saveData())
+    .then((storage) => storage.toJSON())
+}
+
+function createMarkdownNote (storageKey, folderKey, input) {
+  let key = keygen()
+  while (notes.some((note) => note.storage === storageKey && note.folder === folderKey && note.key === key)) {
+    key = keygen()
+  }
+
+  let newNote = new Note(Object.assign({
+    tags: [],
+    title: '',
+    content: ''
+  }, input, {
+    type: 'MARKDOWN_NOTE',
+    storage: storageKey,
+    folder: folderKey,
+    key: key,
+    isStarred: false,
+    createdAt: new Date(),
+    updatedAt: new Date()
+  }))
+  notes.push(newNote)
+
+  return newNote
+    .save()
+    .then(() => newNote.toJSON())
+}
+
+function createSnippetNote (storageKey, folderKey, input) {
+  let key = keygen()
+  while (notes.some((note) => note.storage === storageKey && note.folder === folderKey && note.key === key)) {
+    key = keygen()
+  }
+
+  let newNote = new Note(Object.assign({
+    tags: [],
+    title: '',
+    description: '',
+    snippets: [{
+      name: '',
+      mode: 'text',
+      content: ''
+    }]
+  }, input, {
+    type: 'SNIPPET_NOTE',
+    storage: storageKey,
+    folder: folderKey,
+    key: key,
+    isStarred: false,
+    createdAt: new Date(),
+    updatedAt: new Date()
+  }))
+  notes.push(newNote)
+
+  return newNote
+    .save()
+    .then(() => newNote.toJSON())
+}
+
+function updateNote (storageKey, folderKey, noteKey, input) {
+  let note = _.find(notes, {
+    key: noteKey,
+    storage: storageKey,
+    folder: folderKey
+  })
+
+  switch (note.data.type) {
+    case 'MARKDOWN_NOTE':
+      note.data.title = input.title
+      note.data.tags = input.tags
+      note.data.content = input.content
+      note.data.updatedAt = input.updatedAt
+      break
+    case 'SNIPPET_NOTE':
+      note.data.title = input.title
+      note.data.tags = input.tags
+      note.data.description = input.description
+      note.data.snippets = input.snippets
+      note.data.updatedAt = input.updatedAt
+  }
+
+  return note.save()
+    .then(() => note.toJSON())
+}
+
+function removeNote (storageKey, folderKey, noteKey) {
+  notes = notes.filter((note) => note.storage !== storageKey || note.folder !== folderKey || note.key !== noteKey)
+  queueSaveFolder(storageKey, folderKey)
+
+  return Promise.resolve(null)
+}
+
+function moveNote (storageKey, folderKey, noteKey, newStorageKey, newFolderKey) {
+  let note = _.find(notes, {
+    key: noteKey,
+    storage: storageKey,
+    folder: folderKey
+  })
+  if (note == null) throw new Error('Note doesn\'t exist.')
+
+  let storage = _.find(storages, {key: newStorageKey})
+  if (storage == null) throw new Error('Storage doesn\'t exist.')
+  let folder = _.find(storage.data.folders, {key: newFolderKey})
+  if (folder == null) throw new Error('Folder doesn\'t exist.')
+  note.storage = storage.key
+  note.data.storage = storage.key
+  note.folder = folder.key
+  note.data.folder = folder.key
+  let key = note.key
+  while (notes.some((note) => note.storage === storage.key && note.folder === folder.key && note.key === key)) {
+    key = keygen()
+  }
+  note.key = key
+  note.data.key = key
+  note.uniqueKey = `${note.storage}-${note.folder}-${note.key}`
+  console.log(note.uniqueKey)
+  queueSaveFolder(storageKey, folderKey)
+  return note.save()
+    .then(() => note.toJSON())
+}
+
+export default {
+  init,
+  addStorage,
+  removeStorage,
+  renameStorage,
+  createFolder,
+  updateFolder,
+  removeFolder,
+  createMarkdownNote,
+  createSnippetNote,
+  updateNote,
+  removeNote,
+  moveNote,
+  migrateFromV5
+}
diff --git a/browser/main/lib/eventEmitter.js b/browser/main/lib/eventEmitter.js
new file mode 100644
index 00000000..de08f078
--- /dev/null
+++ b/browser/main/lib/eventEmitter.js
@@ -0,0 +1,26 @@
+const electron = require('electron')
+const { ipcRenderer, remote } = electron
+
+function on (name, listener) {
+  ipcRenderer.on(name, listener)
+}
+
+function off (name, listener) {
+  ipcRenderer.removeListener(name, listener)
+}
+
+function once (name, listener) {
+  ipcRenderer.once(name, listener)
+}
+
+function emit (name, ...args) {
+  console.log(name)
+  remote.getCurrentWindow().webContents.send(name, ...args)
+}
+
+export default {
+  emit,
+  on,
+  off,
+  once
+}
diff --git a/browser/lib/modal.js b/browser/main/lib/modal.js
similarity index 79%
rename from browser/lib/modal.js
rename to browser/main/lib/modal.js
index 6dcf0638..92b1bc8c 100644
--- a/browser/lib/modal.js
+++ b/browser/main/lib/modal.js
@@ -1,7 +1,7 @@
 import React from 'react'
+import { Provider } from 'react-redux'
 import ReactDOM from 'react-dom'
-
-const remote = require('electron').remote
+import store from '../store'
 
 class ModalBase extends React.Component {
   constructor (props) {
@@ -15,17 +15,16 @@ class ModalBase extends React.Component {
 
   close () {
     if (modalBase != null) modalBase.setState({component: null, componentProps: null, isHidden: true})
-    document.body.setAttribute('data-modal', 'close')
-
-    remote.getCurrentWebContents().send('list-focus')
   }
 
   render () {
     return (
       <div className={'ModalBase' + (this.state.isHidden ? ' hide' : '')}>
-        <div onClick={e => this.close(e)} className='modalBack'/>
+        <div onClick={(e) => this.close(e)} className='modalBack'/>
         {this.state.component == null ? null : (
-          <this.state.component {...this.state.componentProps} close={this.close}/>
+          <Provider store={store}>
+            <this.state.component {...this.state.componentProps} close={this.close}/>
+          </Provider>
         )}
       </div>
     )
diff --git a/browser/main/modal/CreateNewFolder.js b/browser/main/modal/CreateNewFolder.js
deleted file mode 100644
index eb797a0c..00000000
--- a/browser/main/modal/CreateNewFolder.js
+++ /dev/null
@@ -1,107 +0,0 @@
-import React, { PropTypes } from 'react'
-import ReactDOM from 'react-dom'
-import linkState from 'browser/lib/linkState'
-import { createFolder } from '../actions'
-import store from '../store'
-import FolderMark from 'browser/components/FolderMark'
-
-export default class CreateNewFolder extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      name: '',
-      color: Math.round(Math.random() * 7),
-      alert: null
-    }
-  }
-
-  componentDidMount () {
-    ReactDOM.findDOMNode(this.refs.folderName).focus()
-  }
-
-  handleCloseButton (e) {
-    this.props.close()
-  }
-
-  handleConfirmButton (e) {
-    this.setState({alert: null}, () => {
-      let { close } = this.props
-      let { name, color } = this.state
-
-      let input = {
-        name,
-        color
-      }
-      try {
-        store.dispatch(createFolder(input))
-      } catch (e) {
-        this.setState({alert: {
-          type: 'error',
-          message: e.message
-        }})
-        return
-      }
-      close()
-    })
-  }
-
-  handleColorClick (colorIndex) {
-    return e => {
-      this.setState({
-        color: colorIndex
-      })
-    }
-  }
-
-  handleKeyDown (e) {
-    if (e.keyCode === 13) {
-      this.handleConfirmButton()
-    }
-  }
-
-  render () {
-    let alert = this.state.alert
-    let alertElement = alert != null ? (
-        <p className={`alert ${alert.type}`}>
-          {alert.message}
-        </p>
-      ) : null
-    let colorIndexes = []
-    for (let i = 0; i < 8; i++) {
-      colorIndexes.push(i)
-    }
-    let colorElements = colorIndexes.map(index => {
-      let className = 'option'
-      if (index === this.state.color) className += ' active'
-
-      return (
-        <span className={className} key={index} onClick={e => this.handleColorClick(index)(e)}>
-          <FolderMark color={index}/>
-        </span>
-      )
-    })
-
-    return (
-      <div className='CreateNewFolder modal'>
-        <button onClick={e => this.handleCloseButton(e)} className='closeBtn'><i className='fa fa-fw fa-times'/></button>
-
-        <div className='title'>Create new folder</div>
-
-        <input ref='folderName' onKeyDown={e => this.handleKeyDown(e)} className='ipt' type='text' valueLink={this.linkState('name')} placeholder='Enter folder name'/>
-        <div className='colorSelect'>
-          {colorElements}
-        </div>
-        {alertElement}
-
-        <button onClick={e => this.handleConfirmButton(e)} className='confirmBtn'>Create</button>
-      </div>
-    )
-  }
-}
-
-CreateNewFolder.propTypes = {
-  close: PropTypes.func
-}
-
-CreateNewFolder.prototype.linkState = linkState
diff --git a/browser/main/modal/OSSAnnounceModal.js b/browser/main/modal/OSSAnnounceModal.js
deleted file mode 100644
index 0902682e..00000000
--- a/browser/main/modal/OSSAnnounceModal.js
+++ /dev/null
@@ -1,29 +0,0 @@
-import React, { PropTypes } from 'react'
-import ExternalLink from 'browser/components/ExternalLink'
-
-export default class OSSAnnounceModal extends React.Component {
-  handleCloseBtnClick (e) {
-    this.props.close()
-  }
-  render () {
-    return (
-      <div className='OSSAnnounceModal modal'>
-
-        <div className='OSSAnnounceModal-title'>Boostnote has been Open-sourced</div>
-
-        <ExternalLink className='OSSAnnounceModal-link' href='https://github.com/BoostIO/Boostnote'>
-          https://github.com/BoostIO/Boostnote
-        </ExternalLink>
-
-        <button
-          className='OSSAnnounceModal-closeBtn'
-          onClick={(e) => this.handleCloseBtnClick(e)}
-        >Close</button>
-      </div>
-    )
-  }
-}
-
-OSSAnnounceModal.propTypes = {
-  close: PropTypes.func
-}
diff --git a/browser/main/modal/Preference/AppSettingTab.js b/browser/main/modal/Preference/AppSettingTab.js
deleted file mode 100644
index 36410ef8..00000000
--- a/browser/main/modal/Preference/AppSettingTab.js
+++ /dev/null
@@ -1,276 +0,0 @@
-import React, { PropTypes } from 'react'
-import linkState from 'browser/lib/linkState'
-import { updateUser } from '../../actions'
-import fetchConfig from 'browser/lib/fetchConfig'
-import hljsTheme from 'browser/lib/hljsThemes'
-
-const electron = require('electron')
-const ipc = electron.ipcRenderer
-const remote = electron.remote
-const ace = window.ace
-
-const OSX = global.process.platform === 'darwin'
-
-export default class AppSettingTab extends React.Component {
-  constructor (props) {
-    super(props)
-    let keymap = Object.assign({}, remote.getGlobal('keymap'))
-    let config = Object.assign({}, fetchConfig())
-    let userName = props.user != null ? props.user.name : null
-
-    this.state = {
-      user: {
-        name: userName,
-        alert: null
-      },
-      userAlert: null,
-      keymap: keymap,
-      keymapAlert: null,
-      config: config,
-      configAlert: null
-    }
-  }
-
-  componentDidMount () {
-    this.handleSettingDone = () => {
-      this.setState({keymapAlert: {
-        type: 'success',
-        message: 'Successfully done!'
-      }})
-    }
-    this.handleSettingError = err => {
-      this.setState({keymapAlert: {
-        type: 'error',
-        message: err.message != null ? err.message : 'Error occurs!'
-      }})
-    }
-    ipc.addListener('APP_SETTING_DONE', this.handleSettingDone)
-    ipc.addListener('APP_SETTING_ERROR', this.handleSettingError)
-  }
-
-  componentWillUnmount () {
-    ipc.removeListener('APP_SETTING_DONE', this.handleSettingDone)
-    ipc.removeListener('APP_SETTING_ERROR', this.handleSettingError)
-  }
-
-  submitHotKey () {
-    ipc.send('hotkeyUpdated', this.state.keymap)
-  }
-
-  submitConfig () {
-    ipc.send('configUpdated', this.state.config)
-  }
-
-  handleSaveButtonClick (e) {
-    this.submitHotKey()
-  }
-
-  handleConfigSaveButtonClick (e) {
-    this.submitConfig()
-  }
-
-  handleKeyDown (e) {
-    if (e.keyCode === 13) {
-      this.submitHotKey()
-    }
-  }
-
-  handleConfigKeyDown (e) {
-    if (e.keyCode === 13) {
-      this.submitConfig()
-    }
-  }
-
-  handleLineNumberingClick (e) {
-    let config = this.state.config
-
-    config['preview-line-number'] = e.target.checked
-    this.setState({
-      config
-    })
-  }
-
-  handleDisableDirectWriteClick (e) {
-    let config = this.state.config
-    config['disable-direct-write'] = e.target.checked
-    this.setState({
-      config
-    })
-  }
-
-  handleNameSaveButtonClick (e) {
-    let { dispatch } = this.props
-
-    dispatch(updateUser({name: this.state.user.name}))
-    this.setState({
-      userAlert: {
-        type: 'success',
-        message: 'Successfully done!'
-      }
-    })
-  }
-
-  render () {
-    let keymapAlert = this.state.keymapAlert
-    let keymapAlertElement = keymapAlert != null
-      ? (
-        <p className={`alert ${keymapAlert.type}`}>
-          {keymapAlert.message}
-        </p>
-      ) : null
-    let userAlert = this.state.userAlert
-    let userAlertElement = userAlert != null
-      ? (
-        <p className={`alert ${userAlert.type}`}>
-          {userAlert.message}
-        </p>
-      ) : null
-    let aceThemeList = ace.require("ace/ext/themelist")
-    let hljsThemeList = hljsTheme()
-
-    return (
-      <div className='AppSettingTab content'>
-        <div className='section'>
-          <div className='sectionTitle'>User&apos;s info</div>
-          <div className='sectionInput'>
-            <label>User name</label>
-            <input valueLink={this.linkState('user.name')} type='text'/>
-          </div>
-          <div className='sectionConfirm'>
-            <button onClick={e => this.handleNameSaveButtonClick(e)}>Save</button>
-            {userAlertElement}
-          </div>
-        </div>
-        <div className='section'>
-          <div className='sectionTitle'>Editor</div>
-          <div className='sectionInput'>
-            <label>Editor Font Size</label>
-            <input valueLink={this.linkState('config.editor-font-size')} onKeyDown={e => this.handleConfigKeyDown(e)} type='text'/>
-          </div>
-          <div className='sectionInput'>
-            <label>Editor Font Family</label>
-            <input valueLink={this.linkState('config.editor-font-family')} onKeyDown={e => this.handleConfigKeyDown(e)} type='text'/>
-          </div>
-          <div className='sectionMultiSelect'>
-            <label>Editor Indent Style</label>
-            <div className='sectionMultiSelect-input'>
-              type
-              <select valueLink={this.linkState('config.editor-indent-type')}>
-                <option value='space'>Space</option>
-                <option value='tab'>Tab</option>
-              </select>
-              size
-              <select valueLink={this.linkState('config.editor-indent-size')}>
-                <option value='2'>2</option>
-                <option value='4'>4</option>
-                <option value='8'>8</option>
-              </select>
-            </div>
-          </div>
-          <div className='sectionTitle'>Preview</div>
-          <div className='sectionInput'>
-            <label>Preview Font Size</label>
-            <input valueLink={this.linkState('config.preview-font-size')} onKeyDown={e => this.handleConfigKeyDown(e)} type='text'/>
-          </div>
-          <div className='sectionInput'>
-            <label>Preview Font Family</label>
-            <input valueLink={this.linkState('config.preview-font-family')} onKeyDown={e => this.handleConfigKeyDown(e)} type='text'/>
-          </div>
-          <div className='sectionSelect'>
-            <label>Switching Preview</label>
-            <select valueLink={this.linkState('config.switch-preview')}>
-              <option value='blur'>When Editor Blurred</option>
-              <option value='rightclick'>When Right Clicking</option>
-            </select>
-          </div>
-          <div className='sectionCheck'>
-            <label><input onChange={e => this.handleLineNumberingClick(e)} checked={this.state.config['preview-line-number']} type='checkbox'/>Code block line numbering</label>
-          </div>
-          {
-            global.process.platform === 'win32'
-            ? (
-              <div className='sectionCheck'>
-                <label><input onChange={e => this.handleDisableDirectWriteClick(e)} checked={this.state.config['disable-direct-write']} disabled={OSX} type='checkbox'/>Disable Direct Write<span className='sectionCheck-warn'>It will be applied after restarting</span></label>
-              </div>
-            )
-            : null
-          }
-          <div className='sectionTitle'>Theme</div>
-          <div className='sectionSelect'>
-            <label>UI Theme</label>
-            <select valueLink={this.linkState('config.theme-ui')}>
-              <option value='light'>Light</option>
-              <option value='dark'>Dark</option>
-            </select>
-          </div>
-          <div className='sectionSelect'>
-            <label>Code block Theme</label>
-            <select valueLink={this.linkState('config.theme-code')}>
-              {
-                hljsThemeList.map(function(v, i){
-                  return (<option value={v.name} key={v.name}>{v.caption}</option>)
-                })
-              }
-            </select>
-          </div>
-          <div className='sectionSelect'>
-            <label>Editor Theme</label>
-            <select valueLink={this.linkState('config.theme-syntax')}>
-              {
-                aceThemeList.themes.map(function(v, i){
-                  return (<option value={v.name} key={v.name}>{v.caption}</option>)
-                })
-              }
-            </select>
-          </div>
-          <div className='sectionConfirm'>
-            <button onClick={e => this.handleConfigSaveButtonClick(e)}>Save</button>
-          </div>
-        </div>
-        <div className='section'>
-          <div className='sectionTitle'>Hotkey</div>
-          <div className='sectionInput'>
-            <label>Toggle Main</label>
-            <input onKeyDown={e => this.handleKeyDown(e)} valueLink={this.linkState('keymap.toggleMain')} type='text'/>
-          </div>
-          <div className='sectionInput'>
-            <label>Toggle Finder(popup)</label>
-            <input onKeyDown={e => this.handleKeyDown(e)} valueLink={this.linkState('keymap.toggleFinder')} type='text'/>
-          </div>
-          <div className='sectionConfirm'>
-            <button onClick={e => this.handleSaveButtonClick(e)}>Save</button>
-            {keymapAlertElement}
-          </div>
-          <div className='description'>
-            <ul>
-              <li><code>0</code> to <code>9</code></li>
-              <li><code>A</code> to <code>Z</code></li>
-              <li><code>F1</code> to <code>F24</code></li>
-              <li>Punctuations like <code>~</code>, <code>!</code>, <code>@</code>, <code>#</code>, <code>$</code>, etc.</li>
-              <li><code>Plus</code></li>
-              <li><code>Space</code></li>
-              <li><code>Backspace</code></li>
-              <li><code>Delete</code></li>
-              <li><code>Insert</code></li>
-              <li><code>Return</code> (or <code>Enter</code> as alias)</li>
-              <li><code>Up</code>, <code>Down</code>, <code>Left</code> and <code>Right</code></li>
-              <li><code>Home</code> and <code>End</code></li>
-              <li><code>PageUp</code> and <code>PageDown</code></li>
-              <li><code>Escape</code> (or <code>Esc</code> for short)</li>
-              <li><code>VolumeUp</code>, <code>VolumeDown</code> and <code>VolumeMute</code></li>
-              <li><code>MediaNextTrack</code>, <code>MediaPreviousTrack</code>, <code>MediaStop</code> and <code>MediaPlayPause</code></li>
-            </ul>
-          </div>
-        </div>
-      </div>
-    )
-  }
-}
-
-AppSettingTab.prototype.linkState = linkState
-AppSettingTab.propTypes = {
-  user: PropTypes.shape({
-    name: PropTypes.string
-  }),
-  dispatch: PropTypes.func
-}
diff --git a/browser/main/modal/Preference/ContactTab.js b/browser/main/modal/Preference/ContactTab.js
deleted file mode 100644
index aad8c331..00000000
--- a/browser/main/modal/Preference/ContactTab.js
+++ /dev/null
@@ -1,24 +0,0 @@
-import React from 'react'
-import ReactDOM from 'react-dom'
-import linkState from 'browser/lib/linkState'
-import ExternalLink from 'browser/components/ExternalLink'
-
-export default class ContactTab extends React.Component {
-  componentDidMount () {
-    let titleInput = ReactDOM.findDOMNode(this.refs.title)
-    if (titleInput != null) titleInput.focus()
-  }
-
-  render () {
-    return (
-      <div className='ContactTab content'>
-        <div className='title'>Contact</div>
-        <p>
-          - Issues: <ExternalLink href='https://github.com/BoostIO/Boostnote/issues'>https://github.com/BoostIO/Boostnote/issues</ExternalLink>
-        </p>
-      </div>
-    )
-  }
-}
-
-ContactTab.prototype.linkState = linkState
diff --git a/browser/main/modal/Preference/FolderRow.js b/browser/main/modal/Preference/FolderRow.js
deleted file mode 100644
index f836e9d1..00000000
--- a/browser/main/modal/Preference/FolderRow.js
+++ /dev/null
@@ -1,187 +0,0 @@
-import React, { PropTypes } from 'react'
-import linkState from 'browser/lib/linkState'
-import FolderMark from 'browser/components/FolderMark'
-import store from '../../store'
-import { updateFolder, destroyFolder, replaceFolder } from '../../actions'
-
-const IDLE = 'IDLE'
-const EDIT = 'EDIT'
-const DELETE = 'DELETE'
-
-export default class FolderRow extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      mode: IDLE
-    }
-  }
-
-  handleUpClick (e) {
-    let { index } = this.props
-    if (index > 0) {
-      store.dispatch(replaceFolder(index, index - 1))
-    }
-  }
-
-  handleDownClick (e) {
-    let { index, count } = this.props
-    if (index < count - 1) {
-      store.dispatch(replaceFolder(index, index + 1))
-    }
-  }
-
-  handleCancelButtonClick (e) {
-    this.setState({
-      mode: IDLE
-    })
-  }
-
-  handleEditButtonClick (e) {
-    this.setState({
-      mode: EDIT,
-      name: this.props.folder.name,
-      color: this.props.folder.color,
-      isColorEditing: false
-    })
-  }
-
-  handleDeleteButtonClick (e) {
-    this.setState({mode: DELETE})
-  }
-
-  handleNameInputKeyDown (e) {
-    if (e.keyCode === 13) {
-      this.handleSaveButtonClick()
-    }
-  }
-
-  handleColorSelectClick (e) {
-    this.setState({
-      isColorEditing: true
-    })
-  }
-
-  handleColorButtonClick (index) {
-    return (e) => {
-      this.setState({
-        color: index,
-        isColorEditing: false
-      })
-    }
-  }
-
-  handleSaveButtonClick (e) {
-    let { folder, setAlert } = this.props
-
-    setAlert(null, () => {
-      let input = {
-        name: this.state.name,
-        color: this.state.color
-      }
-      folder = Object.assign({}, folder, input)
-
-      try {
-        store.dispatch(updateFolder(folder))
-        this.setState({
-          mode: IDLE
-        })
-      } catch (e) {
-        console.error(e)
-        setAlert({
-          type: 'error',
-          message: e.message
-        })
-      }
-    })
-  }
-
-  handleDeleteConfirmButtonClick (e) {
-    let { folder } = this.props
-    store.dispatch(destroyFolder(folder.key))
-  }
-
-  render () {
-    let folder = this.props.folder
-
-    switch (this.state.mode) {
-      case EDIT:
-        let colorIndexes = []
-        for (let i = 0; i < 8; i++) {
-          colorIndexes.push(i)
-        }
-
-        let colorOptions = colorIndexes.map(index => {
-          let className = this.state.color === index
-            ? 'active'
-            : null
-          return (
-            <button onClick={(e) => this.handleColorButtonClick(index)(e)} className={className} key={index}>
-              <FolderMark color={index}/>
-            </button>
-          )
-        })
-
-        return (
-          <div className='FolderRow edit'>
-            <div className='folderColor'>
-              <button onClick={(e) => this.handleColorSelectClick(e)} className='select'>
-                <FolderMark color={this.state.color}/>
-              </button>
-              {this.state.isColorEditing
-                ? (
-                  <div className='options'>
-                    <div className='label'>Color select</div>
-                    {colorOptions}
-                  </div>
-                )
-                : null
-              }
-            </div>
-            <div className='folderName'>
-              <input onKeyDown={(e) => this.handleNameInputKeyDown(e)} valueLink={this.linkState('name')} type='text'/>
-            </div>
-            <div className='folderControl'>
-              <button onClick={(e) => this.handleSaveButtonClick(e)} className='primary'>Save</button>
-              <button onClick={(e) => this.handleCancelButtonClick(e)}>Cancel</button>
-            </div>
-          </div>
-        )
-      case DELETE:
-        return (
-          <div className='FolderRow delete'>
-            <div className='folderDeleteLabel'>Are you sure to delete <strong>{folder.name}</strong> folder?</div>
-            <div className='folderControl'>
-              <button onClick={(e) => this.handleDeleteConfirmButtonClick(e)} className='primary'>Sure</button>
-              <button onClick={(e) => this.handleCancelButtonClick(e)}>Cancel</button>
-            </div>
-          </div>
-        )
-      case IDLE:
-      default:
-        return (
-          <div className='FolderRow'>
-            <div className='sortBtns'>
-              <button onClick={(e) => this.handleUpClick(e)}><i className='fa fa-sort-up fa-fw'/></button>
-              <button onClick={(e) => this.handleDownClick(e)}><i className='fa fa-sort-down fa-fw'/></button>
-            </div>
-            <div className='folderColor'><FolderMark color={folder.color}/></div>
-            <div className='folderName'>{folder.name}</div>
-            <div className='folderControl'>
-              <button onClick={(e) => this.handleEditButtonClick(e)}><i className='fa fa-fw fa-edit'/></button>
-              <button onClick={(e) => this.handleDeleteButtonClick(e)}><i className='fa fa-fw fa-close'/></button>
-            </div>
-          </div>
-        )
-    }
-  }
-}
-
-FolderRow.propTypes = {
-  folder: PropTypes.shape(),
-  index: PropTypes.number,
-  count: PropTypes.number,
-  setAlert: PropTypes.func
-}
-
-FolderRow.prototype.linkState = linkState
diff --git a/browser/main/modal/Preference/FolderSettingTab.js b/browser/main/modal/Preference/FolderSettingTab.js
deleted file mode 100644
index 2337aa32..00000000
--- a/browser/main/modal/Preference/FolderSettingTab.js
+++ /dev/null
@@ -1,97 +0,0 @@
-import React, { PropTypes } from 'react'
-import FolderRow from './FolderRow'
-import linkState from 'browser/lib/linkState'
-import { createFolder } from '../../actions'
-
-export default class FolderSettingTab extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      name: ''
-    }
-  }
-
-  handleNewFolderNameKeyDown (e) {
-    if (e.keyCode === 13) {
-      this.handleSaveButtonClick()
-    }
-  }
-
-  handleSaveButtonClick (e) {
-    this.setState({alert: null}, () => {
-      let { dispatch } = this.props
-
-      try {
-        dispatch(createFolder({
-          name: this.state.name
-        }))
-      } catch (e) {
-        this.setState({alert: {
-          type: 'error',
-          message: e.message
-        }})
-        return
-      }
-
-      this.setState({name: ''})
-    })
-  }
-
-  setAlert (alert, cb) {
-    this.setState({alert: alert}, cb)
-  }
-
-  render () {
-    let { folders } = this.props
-    let folderElements = folders.map((folder, index) => {
-      return (
-        <FolderRow
-          key={'folder-' + folder.key}
-          folder={folder}
-          index={index}
-          count={folders.length}
-          setAlert={(alert, cb) => this.setAlert(alert, cb)}
-        />
-      )
-    })
-
-    let alert = this.state.alert
-    let alertElement = alert != null ? (
-        <p className={`alert ${alert.type}`}>
-          {alert.message}
-        </p>
-      ) : null
-
-    return (
-      <div className='FolderSettingTab content'>
-        <div className='section'>
-          <div className='sectionTitle'>Manage folder</div>
-          <div className='folderTable'>
-            <div className='folderHeader'>
-              <div className='folderName'>Folder</div>
-              <div className='folderControl'>Edit/Delete</div>
-            </div>
-            {folderElements}
-            <div className='newFolder'>
-              <div className='folderName'>
-                <input onKeyDown={(e) => this.handleNewFolderNameKeyDown(e)} valueLink={this.linkState('name')} type='text' placeholder='New Folder'/>
-              </div>
-              <div className='folderControl'>
-                <button onClick={(e) => this.handleSaveButtonClick(e)} className='primary'>Add</button>
-              </div>
-            </div>
-            {alertElement}
-          </div>
-        </div>
-      </div>
-    )
-  }
-}
-
-FolderSettingTab.propTypes = {
-  folders: PropTypes.array,
-  dispatch: PropTypes.func
-}
-
-FolderSettingTab.prototype.linkState = linkState
diff --git a/browser/main/modal/Preferences.js b/browser/main/modal/Preferences.js
deleted file mode 100644
index 01b7ac22..00000000
--- a/browser/main/modal/Preferences.js
+++ /dev/null
@@ -1,118 +0,0 @@
-import React, { PropTypes } from 'react'
-import { connect, Provider } from 'react-redux'
-import linkState from 'browser/lib/linkState'
-import store from '../store'
-import AppSettingTab from './Preference/AppSettingTab'
-import FolderSettingTab from './Preference/FolderSettingTab'
-import ContactTab from './Preference/ContactTab'
-import { closeModal } from 'browser/lib/modal'
-
-const APP = 'APP'
-const FOLDER = 'FOLDER'
-const CONTACT = 'CONTACT'
-
-class Preferences extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      currentTab: APP
-    }
-  }
-
-  switchTeam (teamId) {
-    this.setState({currentTeamId: teamId})
-  }
-
-  handleNavButtonClick (tab) {
-    return e => {
-      this.setState({currentTab: tab})
-    }
-  }
-
-  render () {
-    let content = this.renderContent()
-
-    let tabs = [
-      {target: APP, label: 'Preferences'},
-      {target: FOLDER, label: 'Manage folder'},
-      {target: CONTACT, label: 'Contact form'}
-    ]
-
-    let navButtons = tabs.map(tab => (
-      <button key={tab.target} onClick={e => this.handleNavButtonClick(tab.target)(e)} className={this.state.currentTab === tab.target ? 'active' : ''}>{tab.label}</button>
-    ))
-
-    return (
-      <div className='Preferences modal'>
-        <div className='header'>
-          <div className='title'>Setting</div>
-          <button onClick={e => closeModal()} className='closeBtn'>Done</button>
-        </div>
-
-        <div className='nav'>
-          {navButtons}
-        </div>
-
-        {content}
-      </div>
-    )
-  }
-
-  renderContent () {
-    let { user, folders, dispatch } = this.props
-
-    switch (this.state.currentTab) {
-      case FOLDER:
-        return (
-          <FolderSettingTab
-            dispatch={dispatch}
-            folders={folders}
-          />
-        )
-      case CONTACT:
-        return (
-          <ContactTab/>
-        )
-      case APP:
-      default:
-        return (
-          <AppSettingTab
-            user={user}
-            dispatch={dispatch}
-          />
-        )
-    }
-  }
-}
-
-Preferences.propTypes = {
-  user: PropTypes.shape({
-    name: PropTypes.string
-  }),
-  folders: PropTypes.array,
-  dispatch: PropTypes.func
-}
-
-Preferences.prototype.linkState = linkState
-
-function remap (state) {
-  let { user, folders, status } = state
-
-  return {
-    user,
-    folders,
-    status
-  }
-}
-
-let RootComponent = connect(remap)(Preferences)
-export default class PreferencesModal extends React.Component {
-  render () {
-    return (
-      <Provider store={store}>
-        <RootComponent/>
-      </Provider>
-    )
-  }
-}
diff --git a/browser/main/modal/Tutorial.js b/browser/main/modal/Tutorial.js
deleted file mode 100644
index 6fbc1f88..00000000
--- a/browser/main/modal/Tutorial.js
+++ /dev/null
@@ -1,115 +0,0 @@
-import React, { PropTypes } from 'react'
-import MarkdownPreview from 'browser/components/MarkdownPreview'
-import CodeEditor from 'browser/components/CodeEditor'
-
-export default class Tutorial extends React.Component {
-  constructor (props) {
-    super(props)
-
-    this.state = {
-      slideIndex: 0
-    }
-  }
-
-  handlePriorSlideClick () {
-    if (this.state.slideIndex > 0) this.setState({slideIndex: this.state.slideIndex - 1})
-  }
-
-  handleNextSlideClick () {
-    if (this.state.slideIndex < 4) this.setState({slideIndex: this.state.slideIndex + 1})
-  }
-
-  startButtonClick (e) {
-    this.props.close()
-  }
-
-  render () {
-    let content = this.renderContent(this.state.slideIndex)
-
-    let dotElements = []
-    for (let i = 0; i < 5; i++) {
-      dotElements.push(<i key={i} className={'fa fa-fw fa-circle' + (i === this.state.slideIndex ? ' active' : '')}/>)
-    }
-
-    return (
-      <div className='Tutorial modal'>
-        <button onClick={(e) => this.handlePriorSlideClick()} className={'priorBtn' + (this.state.slideIndex === 0 ? ' hide' : '')}>
-          <i className='fa fa-fw fa-angle-left'/>
-        </button>
-        <button onClick={(e) => this.handleNextSlideClick()} className={'nextBtn' + (this.state.slideIndex === 4 ? ' hide' : '')}>
-          <i className='fa fa-fw fa-angle-right'/>
-        </button>
-        {content}
-        <div className='dots'>
-          {dotElements}
-        </div>
-      </div>
-    )
-  }
-
-  renderContent (index) {
-    switch (index) {
-      case 0:
-        return (<div className='slide slide0'>
-          <div className='title'>Welcome to Boost</div>
-          <div className='content'>
-            Boost is a brand new note app for software<br/>
-            Don't waste time cleaning up your data.<br/>
-            devote that time to more creative work.<br/>
-            Hack your memory.
-          </div>
-        </div>)
-      case 1:
-        let content = '## Boost is a note app for engineer.\n\n - Write with markdown\n - Stylize beautiful'
-        return (<div className='slide slide1'>
-          <div className='title'>Write with Markdown</div>
-          <div className='content'>
-            Markdown is available.<br/>
-            Your notes will be stylized beautifully and quickly.
-            <div className='markdown'>
-              <pre className='left'>{content}</pre>
-              <MarkdownPreview className='right' content={content}/>
-            </div>
-          </div>
-        </div>)
-      case 2:
-        let code = 'import shell from \'shell\'\r\nvar React = require(\'react\')\r\nvar { PropTypes } = React\r\nimport markdown from \'boost\/markdown\'\r\nvar ReactDOM = require(\'react-dom\')\r\n\r\nfunction handleAnchorClick (e) {\r\n  shell.openExternal(e.target.href)\r\n  e.preventDefault()\r\n}\r\n\r\nexport default class MarkdownPreview extends React.Component {\r\n  componentDidMount () {\r\n    this.addListener()\r\n  }\r\n\r\n  componentDidUpdate () {\r\n    this.addListener()\r\n  }\r\n\r\n  componentWillUnmount () {\r\n    this.removeListener()\r\n  }'
-        return (<div className='slide slide2'>
-          <div className='title'>Beautiful code highlighting</div>
-          <div className='content'>
-            Boost supports code syntax highlighting.<br/>
-            There are more than 100 different type of language.
-            <div className='code'>
-              <CodeEditor readOnly article={{content: code, mode: 'jsx'}}/>
-            </div>
-          </div>
-        </div>)
-      case 3:
-        return (<div className='slide slide3'>
-          <div className='title'>Easy to access with Finder</div>
-          <div className='content'>
-            The Finder helps you organize all of the files and documents.<br/>
-            There is a short-cut key [⌘ + alt + s] to open the Finder.<br/>
-            It is available to save your articles on the Clipboard<br/>
-            by selecting your file with pressing Enter key,<br/>
-            and to paste the contents of the Clipboard with [{process.platform === 'darwin' ? 'Command' : 'Control'}-V]
-
-            <img width='480' src='../resources/finder.png'/>
-          </div>
-        </div>)
-      case 4:
-        return (<div className='slide slide4'>
-          <div className='title'>Are you ready?</div>
-          <div className='content'>
-          <button onClick={(e) => this.startButtonClick(e)}>Start<br/>Boost</button>
-          </div>
-        </div>)
-      default:
-        return null
-    }
-  }
-}
-
-Tutorial.propTypes = {
-  close: PropTypes.func
-}
diff --git a/browser/main/modal/DeleteArticleModal.js b/browser/main/modals/DeleteArticleModal.js
similarity index 71%
rename from browser/main/modal/DeleteArticleModal.js
rename to browser/main/modals/DeleteArticleModal.js
index 095ca949..78db1bfa 100644
--- a/browser/main/modal/DeleteArticleModal.js
+++ b/browser/main/modals/DeleteArticleModal.js
@@ -1,7 +1,6 @@
 import React, { PropTypes } from 'react'
 import ReactDOM from 'react-dom'
 import store from '../store'
-import { destroyArticle } from '../actions'
 
 const electron = require('electron')
 const ipc = electron.ipcRenderer
@@ -10,7 +9,7 @@ export default class DeleteArticleModal extends React.Component {
   constructor (props) {
     super(props)
 
-    this.confirmHandler = e => this.handleYesButtonClick()
+    this.confirmHandler = (e) => this.handleYesButtonClick()
   }
 
   componentDidMount () {
@@ -27,7 +26,7 @@ export default class DeleteArticleModal extends React.Component {
   }
 
   handleYesButtonClick (e) {
-    store.dispatch(destroyArticle(this.props.articleKey))
+    // store.dispatch(destroyArticle(this.props.articleKey))
     this.props.close()
   }
 
@@ -39,8 +38,8 @@ export default class DeleteArticleModal extends React.Component {
         <div className='message'>Do you really want to delete?</div>
 
         <div className='control'>
-          <button ref='no' onClick={e => this.handleNoButtonClick(e)}><i className='fa fa-fw fa-close'/> No</button>
-          <button ref='yes' onClick={e => this.handleYesButtonClick(e)} className='danger'><i className='fa fa-fw fa-check'/> Yes</button>
+          <button ref='no' onClick={(e) => this.handleNoButtonClick(e)}><i className='fa fa-fw fa-close'/> No</button>
+          <button ref='yes' onClick={(e) => this.handleYesButtonClick(e)} className='danger'><i className='fa fa-fw fa-check'/> Yes</button>
         </div>
       </div>
     )
diff --git a/browser/main/modals/InitModal.js b/browser/main/modals/InitModal.js
new file mode 100644
index 00000000..906373d6
--- /dev/null
+++ b/browser/main/modals/InitModal.js
@@ -0,0 +1,243 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './InitModal.styl'
+import dataApi from 'browser/main/lib/dataApi'
+import store from 'browser/main/store'
+import { hashHistory } from 'react-router'
+import _ from 'lodash'
+
+const CSON = require('season')
+const path = require('path')
+const electron = require('electron')
+const { remote } = electron
+
+function browseFolder () {
+  let dialog = remote.dialog
+
+  let defaultPath = remote.app.getPath('home')
+  return new Promise((resolve, reject) => {
+    dialog.showOpenDialog({
+      title: 'Select Directory',
+      defaultPath,
+      properties: ['openDirectory', 'createDirectory']
+    }, function (targetPaths) {
+      if (targetPaths == null) return resolve('')
+      resolve(targetPaths[0])
+    })
+  })
+}
+
+class InitModal extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      path: path.join(remote.app.getPath('home'), 'Boostnote'),
+      migrationRequested: true,
+      isLoading: true,
+      data: null,
+      legacyStorageExists: false,
+      isSending: false
+    }
+  }
+
+  handleCloseButtonClick (e) {
+    this.props.close()
+  }
+
+  handlePathChange (e) {
+    this.setState({
+      path: e.target.value
+    })
+  }
+
+  componentDidMount () {
+    let data = null
+    try {
+      data = CSON.readFileSync(path.join(remote.app.getPath('userData'), 'local.json'))
+    } catch (err) {
+      if (err.code === 'ENOENT') {
+        return
+      }
+      console.error(err)
+    }
+    let newState = {
+      isLoading: false
+    }
+    if (data != null) {
+      newState.legacyStorageExists = true
+      newState.data = data
+    }
+    this.setState(newState, () => {
+      this.refs.createButton.focus()
+    })
+  }
+
+  handlePathBrowseButtonClick (e) {
+    browseFolder()
+      .then((targetPath) => {
+        if (targetPath.length > 0) {
+          this.setState({
+            path: targetPath
+          })
+        }
+      })
+      .catch((err) => {
+        console.error('BrowseFAILED')
+        console.error(err)
+      })
+  }
+
+  handleSubmitButtonClick (e) {
+    this.setState({
+      isSending: true
+    }, () => {
+      dataApi
+        .addStorage({
+          name: 'My Storage',
+          path: this.state.path
+        })
+        .then((data) => {
+          if (this.state.migrationRequested && _.isObject(this.state.data) && _.isArray(this.state.data.folders) && _.isArray(this.state.data.articles)) {
+            return dataApi.migrateFromV5(data.storage.key, this.state.data)
+          }
+          return data
+        })
+        .then((data) => {
+          store.dispatch({
+            type: 'ADD_STORAGE',
+            storage: data.storage,
+            notes: data.notes
+          })
+
+          let defaultMarkdownNote = dataApi
+            .createMarkdownNote(data.storage.key, data.storage.folders[0].key, {
+              title: 'Welcome to Boostnote :)',
+              content: '# Welcome to Boostnote :)\nThis is a markdown note.\n\nClick to edit this note.'
+            })
+            .then((note) => {
+              store.dispatch({
+                type: 'CREATE_NOTE',
+                note: note
+              })
+            })
+          let defaultSnippetNote = dataApi
+            .createSnippetNote(data.storage.key, data.storage.folders[0].key, {
+              title: 'Snippet note example',
+              description: 'Snippet note example\nYou can store a series of snippet as a single note like Gist.',
+              snippets: [
+                {
+                  name: 'example.html',
+                  mode: 'html',
+                  content: '<html>\n<body>\n<h1 id=\'hello\'>Hello World</h1>\n</body>\n</html>'
+                },
+                {
+                  name: 'example.js',
+                  mode: 'javascript',
+                  content: 'var html = document.getElementById(\'hello\').innerHTML\n\nconsole.log(html)'
+                }
+              ]
+            })
+            .then((note) => {
+              store.dispatch({
+                type: 'CREATE_NOTE',
+                note: note
+              })
+            })
+
+          return Promise.resolve(defaultSnippetNote)
+            .then(defaultMarkdownNote)
+            .then(() => data.storage)
+        })
+        .then((storage) => {
+          hashHistory.push('/storages/' + storage.key)
+          this.props.close()
+        })
+        .catch((err) => {
+          this.setState({
+            isSending: false
+          })
+          throw err
+        })
+    })
+  }
+
+  handleMigrationRequestedChange (e) {
+    this.setState({
+      migrationRequested: e.target.checked
+    })
+  }
+
+  handleKeyDown (e) {
+    if (e.keyCode === 27) {
+      this.props.close()
+    }
+  }
+
+  render () {
+    if (this.state.isLoading) {
+      return <div styleName='root--loading'>
+        <i styleName='spinner' className='fa fa-spin fa-spinner'/>
+        <div styleName='loadingMessage'>Preparing initialization...</div>
+      </div>
+    }
+    return (
+      <div styleName='root'
+        tabIndex='-1'
+        onKeyDown={(e) => this.handleKeyDown(e)}
+      >
+
+        <div styleName='header'>
+          <div styleName='header-title'>Initialize Storage</div>
+        </div>
+        <button styleName='closeButton'
+          onClick={(e) => this.handleCloseButtonClick(e)}
+        >Close</button>
+        <div styleName='body'>
+          <div styleName='body-welcome'>
+            Welcome you!
+          </div>
+          <div styleName='body-description'>
+            Boostnote will use this directory as a default storage.
+          </div>
+          <div styleName='body-path'>
+            <input styleName='body-path-input'
+              placeholder='Select Folder'
+              value={this.state.path}
+              onChange={(e) => this.handlePathChange(e)}
+            />
+            <button styleName='body-path-button'
+              onClick={(e) => this.handlePathBrowseButtonClick(e)}
+            >
+              ...
+            </button>
+          </div>
+          <div styleName='body-migration'>
+            <label><input type='checkbox' checked={this.state.migrationRequested} onChange={(e) => this.handleMigrationRequestedChange(e)}/> Migrate old data from the legacy app v0.5</label>
+          </div>
+
+          <div styleName='body-control'>
+            <button styleName='body-control-createButton'
+              ref='createButton'
+              onClick={(e) => this.handleSubmitButtonClick(e)}
+              disabled={this.state.isSending}
+            >
+              {this.state.isSending
+                ? <span>
+                  <i className='fa fa-spin fa-spinner'/> Loading...
+                </span>
+                : 'Let\'s Go!'
+              }
+            </button>
+          </div>
+        </div>
+
+      </div>
+    )
+  }
+}
+
+InitModal.propTypes = {
+}
+
+export default CSSModules(InitModal, styles)
diff --git a/browser/main/modals/InitModal.styl b/browser/main/modals/InitModal.styl
new file mode 100644
index 00000000..551fd1d0
--- /dev/null
+++ b/browser/main/modals/InitModal.styl
@@ -0,0 +1,86 @@
+.root
+  modal()
+  max-width 540px
+  overflow hidden
+  position relative
+.root--loading
+  @extend .root
+  text-align center
+.spinner
+  font-size 100px
+  margin 35px auto
+  color $ui-text-color
+.loadingMessage
+  color $ui-text-color
+  margin 15px auto 35px
+.header
+  height 50px
+  font-size 18px
+  line-height 50px
+  padding 0 15px
+  background-color $ui-backgroundColor
+  border-bottom solid 1px $ui-borderColor
+  color $ui-text-color
+
+.closeButton
+  position absolute
+  top 10px
+  right 10px
+  height 30px
+  padding 0 25px
+  border $ui-border
+  border-radius 2px
+  color $ui-text-color
+  colorDefaultButton()
+
+.body
+  padding 30px
+
+.body-welcome
+  text-align center
+  margin-bottom 25px
+  font-size 32px
+  color $ui-text-color
+
+.body-description
+  font-size 14px
+  color $ui-text-color
+  text-align center
+  margin-bottom 25px
+
+.body-path
+  margin 0 auto 25px
+  width 280px
+
+.body-path-input
+  height 30px
+  vertical-align middle
+  width 250px
+  font-size 12px
+  border-style solid
+  border-width 1px 0 1px 1px
+  border-color $border-color
+  border-top-left-radius 2px
+  border-bottom-left-radius 2px
+  padding 0 5px
+
+.body-path-button
+  height 30px
+  border none
+  border-top-right-radius 2px
+  border-bottom-right-radius 2px
+  colorPrimaryButton()
+  vertical-align middle
+.body-migration
+  margin 0 auto 25px
+  text-align center
+
+.body-control
+  text-align center
+
+.body-control-createButton
+  colorPrimaryButton()
+  border none
+  border-radius 2px
+  height 40px
+  padding 0 25px
diff --git a/browser/main/modals/NewNoteModal.js b/browser/main/modals/NewNoteModal.js
new file mode 100644
index 00000000..f8793fdc
--- /dev/null
+++ b/browser/main/modals/NewNoteModal.js
@@ -0,0 +1,140 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './NewNoteModal.styl'
+import dataApi from 'browser/main/lib/dataApi'
+import { hashHistory } from 'react-router'
+import ee from 'browser/main/lib/eventEmitter'
+
+class NewNoteModal extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+    }
+  }
+
+  componentDidMount () {
+    this.refs.markdownButton.focus()
+  }
+
+  handleCloseButtonClick (e) {
+    this.props.close()
+  }
+
+  handleMarkdownNoteButtonClick (e) {
+    let { storage, folder, dispatch, location } = this.props
+    dataApi
+      .createMarkdownNote(storage, folder, {
+        title: '',
+        content: ''
+      })
+      .then((note) => {
+        dispatch({
+          type: 'CREATE_NOTE',
+          note: note
+        })
+        hashHistory.push({
+          pathname: location.pathname,
+          query: {key: note.uniqueKey}
+        })
+        ee.emit('detail:focus')
+        this.props.close()
+      })
+  }
+  handleMarkdownNoteButtonKeyDown (e) {
+    if (e.keyCode === 9) {
+      e.preventDefault()
+      this.refs.snippetButton.focus()
+    }
+  }
+
+  handleSnippetNoteButtonClick (e) {
+    let { storage, folder, dispatch, location } = this.props
+    dataApi
+      .createSnippetNote(storage, folder, {
+        title: '',
+        description: '',
+        snippets: [{
+          name: '',
+          mode: 'text',
+          content: ''
+        }]
+      })
+      .then((note) => {
+        dispatch({
+          type: 'CREATE_NOTE',
+          note: note
+        })
+        hashHistory.push({
+          pathname: location.pathname,
+          query: {key: note.uniqueKey}
+        })
+        ee.emit('detail:focus')
+        this.props.close()
+      })
+  }
+
+  handleSnippetNoteButtonKeyDown (e) {
+    if (e.keyCode === 9) {
+      e.preventDefault()
+      this.refs.markdownButton.focus()
+    }
+  }
+
+  handleKeyDown (e) {
+    if (e.keyCode === 27) {
+      this.props.close()
+    }
+  }
+
+  render () {
+    return (
+      <div styleName='root'
+        tabIndex='-1'
+        onKeyDown={(e) => this.handleKeyDown(e)}
+      >
+        <div styleName='header'>
+          <div styleName='title'>New Note</div>
+        </div>
+        <button styleName='closeButton'
+          onClick={(e) => this.handleCloseButtonClick(e)}
+        >Close</button>
+
+        <div styleName='control'>
+          <button styleName='control-button'
+            onClick={(e) => this.handleMarkdownNoteButtonClick(e)}
+            onKeyDown={(e) => this.handleMarkdownNoteButtonKeyDown(e)}
+            ref='markdownButton'
+          >
+            <i styleName='control-button-icon'
+              className='fa fa-file-text-o'
+            /><br/>
+            <span styleName='control-button-label'>Markdown Note</span><br/>
+            <span styleName='control-button-description'>It is good for any type of documents. Check List, Code block and Latex block are available.</span>
+          </button>
+
+          <button styleName='control-button'
+            onClick={(e) => this.handleSnippetNoteButtonClick(e)}
+            onKeyDown={(e) => this.handleSnippetNoteButtonKeyDown(e)}
+            ref='snippetButton'
+          >
+            <i styleName='control-button-icon'
+              className='fa fa-code'
+            /><br/>
+            <span styleName='control-button-label'>Snippet Note</span><br/>
+            <span styleName='control-button-description'>This format is specialized on managing snippets like Gist. Multiple snippets can be grouped as a note.
+            </span>
+          </button>
+
+        </div>
+        <div styleName='description'><i className='fa fa-arrows-h'/> Tab to switch format</div>
+
+      </div>
+    )
+  }
+}
+
+NewNoteModal.propTypes = {
+}
+
+export default CSSModules(NewNoteModal, styles)
diff --git a/browser/main/modals/NewNoteModal.styl b/browser/main/modals/NewNoteModal.styl
new file mode 100644
index 00000000..7973a463
--- /dev/null
+++ b/browser/main/modals/NewNoteModal.styl
@@ -0,0 +1,56 @@
+.root
+  modal()
+  max-width 540px
+  overflow hidden
+  position relative
+
+.header
+  height 50px
+  font-size 18px
+  line-height 50px
+  padding 0 15px
+  background-color $ui-backgroundColor
+  border-bottom solid 1px $ui-borderColor
+  color $ui-text-color
+
+.closeButton
+  position absolute
+  top 10px
+  right 10px
+  height 30px
+  width 0 25px
+  border $ui-border
+  border-radius 2px
+  color $ui-text-color
+  colorDefaultButton()
+
+.control
+  padding 25px 15px 15px
+  text-align center
+
+.control-button
+  width 220px
+  height 220px
+  margin 0 15px
+  border $ui-border
+  border-radius 5px
+  color $ui-text-color
+  colorDefaultButton()
+  padding 10px
+  &:focus
+    colorPrimaryButton()
+
+.control-button-icon
+  font-size 50px
+  margin-bottom 15px
+
+.control-button-label
+  font-size 18px
+  line-height 32px
+.control-button-description
+  font-size 12px
+
+.description
+  color $ui-inactive-text-color
+  text-align center
+  margin-bottom 25px
diff --git a/browser/main/modals/PreferencesModal/ConfigTab.js b/browser/main/modals/PreferencesModal/ConfigTab.js
new file mode 100644
index 00000000..ade253c4
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/ConfigTab.js
@@ -0,0 +1,412 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './ConfigTab.styl'
+import hljsTheme from 'browser/lib/hljsThemes'
+import ConfigManager from 'browser/main/lib/ConfigManager'
+import store from 'browser/main/store'
+
+const electron = require('electron')
+const ipc = electron.ipcRenderer
+const ace = window.ace
+
+const OSX = global.process.platform === 'darwin'
+
+class ConfigTab extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      isHotkeyHintOpen: false,
+      config: props.config
+    }
+  }
+
+  componentDidMount () {
+    this.handleSettingDone = () => {
+      this.setState({keymapAlert: {
+        type: 'success',
+        message: 'Successfully applied!'
+      }})
+    }
+    this.handleSettingError = (err) => {
+      this.setState({keymapAlert: {
+        type: 'error',
+        message: err.message != null ? err.message : 'Error occurs!'
+      }})
+    }
+    ipc.addListener('APP_SETTING_DONE', this.handleSettingDone)
+    ipc.addListener('APP_SETTING_ERROR', this.handleSettingError)
+  }
+
+  componentWillUnmount () {
+    ipc.removeListener('APP_SETTING_DONE', this.handleSettingDone)
+    ipc.removeListener('APP_SETTING_ERROR', this.handleSettingError)
+  }
+
+  handleSaveButtonClick (e) {
+    let newConfig = {
+      hotkey: this.state.config.hotkey
+    }
+
+    ConfigManager.set(newConfig)
+
+    store.dispatch({
+      type: 'SET_UI',
+      config: newConfig
+    })
+  }
+
+  handleKeyDown (e) {
+    if (e.keyCode === 13) {
+      this.submitHotKey()
+    }
+  }
+
+  handleConfigKeyDown (e) {
+    if (e.keyCode === 13) {
+      this.submitConfig()
+    }
+  }
+
+  handleLineNumberingClick (e) {
+    let config = this.state.config
+
+    config['preview-line-number'] = e.target.checked
+    this.setState({
+      config
+    })
+  }
+
+  handleDisableDirectWriteClick (e) {
+    let config = this.state.config
+    config['disable-direct-write'] = e.target.checked
+    this.setState({
+      config
+    })
+  }
+
+  handleHintToggleButtonClick (e) {
+    this.setState({
+      isHotkeyHintOpen: !this.state.isHotkeyHintOpen
+    })
+  }
+
+  handleHotkeyChange (e) {
+    let { config } = this.state
+    config.hotkey = {
+      toggleFinder: this.refs.toggleFinder.value,
+      toggleMain: this.refs.toggleMain.value
+    }
+    this.setState({
+      config
+    })
+  }
+
+  handleUIChange (e) {
+    let { config } = this.state
+
+    config.ui = {
+      theme: this.refs.uiTheme.value,
+      disableDirectWrite: this.refs.uiD2w != null
+        ? this.refs.uiD2w.checked
+        : false
+    }
+    config.editor = {
+      theme: this.refs.editorTheme.value,
+      fontSize: this.refs.editorFontSize.value,
+      fontFamily: this.refs.editorFontFamily.value,
+      indentType: this.refs.editorIndentType.value,
+      indentSize: this.refs.editorIndentSize.value,
+      switchPreview: this.refs.editorSwitchPreview.value
+    }
+    config.preview = {
+      fontSize: this.refs.previewFontSize.value,
+      fontFamily: this.refs.previewFontFamily.value,
+      codeBlockTheme: this.refs.previewCodeBlockTheme.value,
+      lineNumber: this.refs.previewLineNumber.checked
+    }
+
+    this.setState({
+      config
+    })
+  }
+
+  handleSaveUIClick (e) {
+    let newConfig = {
+      ui: this.state.config.ui,
+      editor: this.state.config.editor,
+      preview: this.state.config.preview
+    }
+
+    ConfigManager.set(newConfig)
+
+    store.dispatch({
+      type: 'SET_UI',
+      config: newConfig
+    })
+  }
+
+  render () {
+    let keymapAlert = this.state.keymapAlert
+    let keymapAlertElement = keymapAlert != null
+      ? <p className={`alert ${keymapAlert.type}`}>
+        {keymapAlert.message}
+      </p>
+      : null
+    let aceThemeList = ace.require('ace/ext/themelist')
+    let hljsThemeList = hljsTheme()
+    let { config } = this.state
+
+    return (
+      <div styleName='root'>
+        <div styleName='group'>
+          <div styleName='group-header'>Hotkey</div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>Toggle Main</div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                onChange={(e) => this.handleHotkeyChange(e)}
+                ref='toggleMain'
+                value={config.hotkey.toggleMain}
+                type='text'
+              />
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>Toggle Finder(popup)</div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                onChange={(e) => this.handleHotkeyChange(e)}
+                ref='toggleFinder'
+                value={config.hotkey.toggleFinder}
+                type='text'
+                disabled
+              />
+            </div>
+          </div>
+          <div styleName='group-control'>
+            <button styleName='group-control-leftButton'
+              onClick={(e) => this.handleHintToggleButtonClick(e)}
+            >
+              {this.state.isHotkeyHintOpen
+                ? 'Hide Hint'
+                : 'Show Hint'
+              }
+            </button>
+            <button styleName='group-control-rightButton'
+              onClick={(e) => this.handleSaveButtonClick(e)}>Save Hotkey
+            </button>
+            {keymapAlertElement}
+          </div>
+          {this.state.isHotkeyHintOpen &&
+            <div styleName='group-hint'>
+              <p>Available Keys</p>
+              <ul>
+                <li><code>0</code> to <code>9</code></li>
+                <li><code>A</code> to <code>Z</code></li>
+                <li><code>F1</code> to <code>F24</code></li>
+                <li>Punctuations like <code>~</code>, <code>!</code>, <code>@</code>, <code>#</code>, <code>$</code>, etc.</li>
+                <li><code>Plus</code></li>
+                <li><code>Space</code></li>
+                <li><code>Backspace</code></li>
+                <li><code>Delete</code></li>
+                <li><code>Insert</code></li>
+                <li><code>Return</code> (or <code>Enter</code> as alias)</li>
+                <li><code>Up</code>, <code>Down</code>, <code>Left</code> and <code>Right</code></li>
+                <li><code>Home</code> and <code>End</code></li>
+                <li><code>PageUp</code> and <code>PageDown</code></li>
+                <li><code>Escape</code> (or <code>Esc</code> for short)</li>
+                <li><code>VolumeUp</code>, <code>VolumeDown</code> and <code>VolumeMute</code></li>
+                <li><code>MediaNextTrack</code>, <code>MediaPreviousTrack</code>, <code>MediaStop</code> and <code>MediaPlayPause</code></li>
+              </ul>
+            </div>
+          }
+        </div>
+
+        <div styleName='group'>
+          <div styleName='group-header'>UI</div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>Theme</div>
+            <div styleName='group-section-control'>
+              <select value={config.ui.theme}
+                onChange={(e) => this.handleUIChange(e)}
+                ref='uiTheme'
+                disabled
+              >
+                <option value='default'>Light</option>
+                <option value='dark'>Dark</option>
+              </select>
+            </div>
+          </div>
+          {
+            global.process.platform === 'win32'
+            ? <div styleName='group-checkBoxSection'>
+              <label>
+                <input onChange={(e) => this.handleUIChange(e)}
+                  checked={this.state.config.ui.disableDirectWrite}
+                  refs='uiD2w'
+                  disabled={OSX}
+                  type='checkbox'
+                />
+                Disable Direct Write(It will be applied after restarting)
+              </label>
+            </div>
+            : null
+          }
+          <div styleName='group-header2'>Editor</div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Editor Theme
+            </div>
+            <div styleName='group-section-control'>
+              <select value={config.editor.theme}
+                ref='editorTheme'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                {
+                  aceThemeList.themes.map((theme) => {
+                    return (<option value={theme.name} key={theme.name}>{theme.caption}</option>)
+                  })
+                }
+              </select>
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Editor Font Size
+            </div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                ref='editorFontSize'
+                value={config.editor.fontSize}
+                onChange={(e) => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Editor Font Family
+            </div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                ref='editorFontFamily'
+                value={config.editor.fontFamily}
+                onChange={(e) => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Editor Indent Style
+            </div>
+            <div styleName='group-section-control'>
+              <select value={config.editor.indentSize}
+                ref='editorIndentSize'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                <option value='1'>1</option>
+                <option value='2'>2</option>
+                <option value='4'>4</option>
+                <option value='8'>8</option>
+              </select>&nbsp;
+              <select value={config.editor.indentType}
+                ref='editorIndentType'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                <option value='space'>Spaces</option>
+                <option value='tab'>Tabs</option>
+              </select>
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Switching Preview
+            </div>
+            <div styleName='group-section-control'>
+              <select value={config.editor.switchPreview}
+                ref='editorSwitchPreview'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                <option value='BLUR'>When Editor Blurred</option>
+                <option value='RIGHTCLICK'>When Right Clicking</option>
+              </select>
+            </div>
+          </div>
+          <div styleName='group-header2'>Preview</div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Preview Font Size
+            </div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                value={config.preview.fontSize}
+                ref='previewFontSize'
+                onChange={(e) => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Preview Font Family
+            </div>
+            <div styleName='group-section-control'>
+              <input styleName='group-section-control-input'
+                ref='previewFontFamily'
+                value={config.preview.fontFamily}
+                onChange={(e) => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>Code block Theme</div>
+            <div styleName='group-section-control'>
+              <select value={config.preview.codeBlockTheme}
+                ref='previewCodeBlockTheme'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                {
+                  hljsThemeList.map((theme) => {
+                    return (<option value={theme.name} key={theme.name}>{theme.caption}</option>)
+                  })
+                }
+              </select>
+            </div>
+          </div>
+          <div styleName='group-checkBoxSection'>
+            <label>
+              <input onChange={(e) => this.handleUIChange(e)}
+                checked={this.state.config.preview.lineNumber}
+                ref='previewLineNumber'
+                type='checkbox'
+              />&nbsp;
+              Code block line numbering
+            </label>
+          </div>
+
+          <div className='group-control'>
+            <button styleName='group-control-rightButton'
+              onClick={(e) => this.handleSaveUIClick(e)}
+            >
+              Save UI Config
+            </button>
+          </div>
+        </div>
+      </div>
+    )
+  }
+}
+
+ConfigTab.propTypes = {
+  user: PropTypes.shape({
+    name: PropTypes.string
+  }),
+  dispatch: PropTypes.func
+}
+
+export default CSSModules(ConfigTab, styles)
diff --git a/browser/main/modals/PreferencesModal/ConfigTab.styl b/browser/main/modals/PreferencesModal/ConfigTab.styl
new file mode 100644
index 00000000..51ed9776
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/ConfigTab.styl
@@ -0,0 +1,88 @@
+.root
+  padding 15px
+  color $ui-text-color
+.group
+  margin-bottom 45px
+.group-header
+  font-size 24px
+  color $ui-text-color
+  padding 5px
+  border-bottom $default-border
+  margin-bottom 15px
+
+.group-header2
+  font-size 18px
+  color $ui-text-color
+  padding 5px
+  margin-bottom 15px
+
+.group-section
+  margin-bottom 15px
+  display flex
+  line-height 30px
+.group-section-label
+  width 150px
+  text-align right
+  margin-right 10px
+.group-section-control
+  flex 1
+.group-section-control-input
+  height 30px
+  vertical-align middle
+  width 150px
+  font-size 12px
+  border solid 1px $border-color
+  border-radius 2px
+  padding 0 5px
+  &:disabled
+    background-color $ui-input--disabled-backgroundColor
+
+.group-checkBoxSection
+  margin-bottom 15px
+  display flex
+  line-height 30px
+  padding-left 15px
+
+.group-control
+  border-top $default-border
+  padding-top 10px
+  box-sizing border-box
+  height 40px
+  text-align right
+  :global
+    .alert
+      font-size 12px
+      line-height 30px
+      padding 0 5px
+      float right
+.group-control-leftButton
+  float left
+  colorDefaultButton()
+  border $default-border
+  border-radius 2px
+  height 30px
+  padding 0 15px
+  margin-right 5px
+.group-control-rightButton
+  float right
+  colorPrimaryButton()
+  border none
+  border-radius 2px
+  height 30px
+  padding 0 15px
+  margin-right 5px
+.group-hint
+  border $ui-border
+  padding 10px 15px
+  margin 15px 0
+  border-radius 5px
+  background-color $ui-backgroundColor
+  color $ui-inactive-text-color
+  ul
+    list-style inherit
+    padding-left 1em
+    line-height 1.2
+  p
+    line-height 1.2
+
+
diff --git a/browser/main/modals/PreferencesModal/InfoTab.js b/browser/main/modals/PreferencesModal/InfoTab.js
new file mode 100644
index 00000000..ae3d52d0
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/InfoTab.js
@@ -0,0 +1,58 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './InfoTab.styl'
+
+const electron = require('electron')
+const { shell, remote } = electron
+const appVersion = remote.app.getVersion()
+
+class InfoTab extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+    }
+  }
+
+  handleLinkClick (e) {
+    shell.openExternal(e.currentTarget.href)
+    e.preventDefault()
+  }
+
+  render () {
+    return (
+      <div styleName='root'>
+        <div styleName='top'>
+          <img styleName='icon' src='../resources/app.png' width='150' height='150'/>
+          <div styleName='appId'>Boostnote {appVersion}</div>
+          <div styleName='description'>
+            A simple markdown/snippet note app for developer.
+          </div>
+          <div styleName='madeBy'>Made by&nbsp;
+            <a href='http://maisin.co/'
+              onClick={(e) => this.handleLinkClick(e)}
+            >MAISIN&CO.</a></div>
+          <div styleName='copyright'>Copyright 2016 MAISIN&CO. All rights reserved.</div>
+        </div>
+        <ul styleName='list'>
+          <li>
+            The codes of this app is published under GPLv3 license.
+          </li>
+          <li>
+            Any kinds of feedback, creating a new issue or a pull request, would be welcomed.
+          </li>
+          <li>
+            Issue Tracker : <a href='https://github.com/BoostIO/Boostnote/issues'
+              onClick={(e) => this.handleLinkClick(e)}
+            >https://github.com/BoostIO/Boostnote/issues</a>
+          </li>
+        </ul>
+      </div>
+    )
+  }
+}
+
+InfoTab.propTypes = {
+}
+
+export default CSSModules(InfoTab, styles)
diff --git a/browser/main/modals/PreferencesModal/InfoTab.styl b/browser/main/modals/PreferencesModal/InfoTab.styl
new file mode 100644
index 00000000..7dba4eef
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/InfoTab.styl
@@ -0,0 +1,35 @@
+.root
+  padding 15px
+  white-space pre
+  line-height 1.4
+  color $ui-text-color
+  width 100%
+
+.top
+  text-align center
+  margin-bottom 25px
+
+.appId
+  font-size 24px
+
+.description
+  overflow hidden
+  white-space normal
+  line-height 1.5
+  margin 5px auto 10px
+  font-size 14px
+  text-align center
+
+.madeBy
+  font-size 12px
+  $ui-inactive-text-color
+
+.copyright
+  font-size 12px
+  $ui-inactive-text-color
+
+.list
+  list-style square
+  padding-left 2em
+  li
+    white-space normal
diff --git a/browser/main/modals/PreferencesModal/PreferencesModal.styl b/browser/main/modals/PreferencesModal/PreferencesModal.styl
new file mode 100644
index 00000000..f48c93e9
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/PreferencesModal.styl
@@ -0,0 +1,37 @@
+.root
+  modal()
+  max-width 540px
+  min-height 400px
+  height 80%
+  overflow hidden
+  position relative
+
+.nav
+  absolute top left right
+  height 50px
+  background-color $ui-backgroundColor
+  border-bottom solid 1px $ui-borderColor
+
+.nav-button
+  width 80px
+  height 50px
+  border none
+  background-color transparent
+  color #939395
+  font-size 14px
+  &:hover
+    color #515151
+
+.nav-button--active
+  @extend .nav-button
+  color #6AA5E9
+  &:hover
+    color #6AA5E9
+
+.nav-button-icon
+  display block
+
+.content
+  absolute left right bottom
+  top 50px
+  overflow-y auto
diff --git a/browser/main/modals/PreferencesModal/StorageItem.js b/browser/main/modals/PreferencesModal/StorageItem.js
new file mode 100644
index 00000000..9744e6c9
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/StorageItem.js
@@ -0,0 +1,351 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './StorageItem.styl'
+import consts from 'browser/lib/consts'
+import dataApi from 'browser/main/lib/dataApi'
+import store from 'browser/main/store'
+
+const electron = require('electron')
+const { shell, remote } = electron
+const { Menu, MenuItem } = remote
+
+class UnstyledFolderItem extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      status: 'IDLE',
+      folder: {
+        color: props.color,
+        name: props.name
+      }
+    }
+  }
+
+  handleEditChange (e) {
+    let { folder } = this.state
+
+    folder.name = this.refs.nameInput.value
+    this.setState({
+      folder
+    })
+  }
+
+  handleConfirmButtonClick (e) {
+    let { storage, folder } = this.props
+    dataApi
+      .updateFolder(storage.key, folder.key, {
+        color: this.state.folder.color,
+        name: this.state.folder.name
+      })
+      .then((storage) => {
+        store.dispatch({
+          type: 'UPDATE_STORAGE',
+          storage: storage
+        })
+        this.setState({
+          status: 'IDLE'
+        })
+      })
+  }
+
+  handleColorButtonClick (e) {
+    var menu = new Menu()
+
+    consts.FOLDER_COLORS.forEach((color, index) => {
+      menu.append(new MenuItem({
+        label: consts.FOLDER_COLOR_NAMES[index],
+        click: (e) => {
+          let { folder } = this.state
+          folder.color = color
+          this.setState({
+            folder
+          })
+        }
+      }))
+    })
+
+    menu.popup(remote.getCurrentWindow())
+  }
+
+  handleCancelButtonClick (e) {
+    this.setState({
+      status: 'IDLE'
+    })
+  }
+
+  renderEdit (e) {
+    return (
+      <div styleName='folderList-item'>
+        <div styleName='folderList-item-left'>
+          <button styleName='folderList-item-left-colorButton' style={{color: this.state.folder.color}}
+            onClick={(e) => this.handleColorButtonClick(e)}
+          >
+            <i className='fa fa-square'/>
+          </button>
+          <input styleName='folderList-item-left-nameInput'
+            value={this.state.folder.name}
+            ref='nameInput'
+            onChange={(e) => this.handleEditChange(e)}
+          />
+        </div>
+        <div styleName='folderList-item-right'>
+          <button styleName='folderList-item-right-confirmButton'
+            onClick={(e) => this.handleConfirmButtonClick(e)}
+          >
+            Confirm
+          </button>
+          <button styleName='folderList-item-right-button'
+            onClick={(e) => this.handleCancelButtonClick(e)}
+          >
+            Cancel
+          </button>
+        </div>
+      </div>
+    )
+  }
+
+  handleDeleteConfirmButtonClick (e) {
+    let { storage, folder } = this.props
+    dataApi
+      .removeFolder(storage.key, folder.key)
+      .then((storage) => {
+        store.dispatch({
+          type: 'REMOVE_FOLDER',
+          key: folder.key,
+          storage: storage
+        })
+      })
+  }
+
+  renderDelete () {
+    return (
+      <div styleName='folderList-item'>
+        <div styleName='folderList-item-left'>
+          Are you sure to <span styleName='folderList-item-left-danger'>delete</span> this folder?
+        </div>
+        <div styleName='folderList-item-right'>
+          <button styleName='folderList-item-right-dangerButton'
+            onClick={(e) => this.handleDeleteConfirmButtonClick(e)}
+          >
+            Confirm
+          </button>
+          <button styleName='folderList-item-right-button'
+            onClick={(e) => this.handleCancelButtonClick(e)}
+          >
+            Cancel
+          </button>
+        </div>
+      </div>
+    )
+  }
+
+  handleEditButtonClick (e) {
+    let { folder } = this.props
+    this.setState({
+      status: 'EDIT',
+      folder: {
+        color: folder.color,
+        name: folder.name
+      }
+    }, () => {
+      this.refs.nameInput.select()
+    })
+  }
+
+  handleDeleteButtonClick (e) {
+    this.setState({
+      status: 'DELETE'
+    })
+  }
+
+  renderIdle () {
+    let { folder } = this.props
+    return (
+      <div styleName='folderList-item'
+        onDoubleClick={(e) => this.handleEditButtonClick(e)}
+      >
+        <div styleName='folderList-item-left'
+          style={{borderColor: folder.color}}
+        >
+          <span styleName='folderList-item-left-name'>{folder.name}</span>
+          <span styleName='folderList-item-left-key'>({folder.key})</span>
+        </div>
+        <div styleName='folderList-item-right'>
+          <button styleName='folderList-item-right-button'
+            onClick={(e) => this.handleEditButtonClick(e)}
+          >
+            Edit
+          </button>
+          <button styleName='folderList-item-right-button'
+            onClick={(e) => this.handleDeleteButtonClick(e)}
+          >
+            Delete
+          </button>
+        </div>
+      </div>
+
+    )
+  }
+
+  render () {
+    switch (this.state.status) {
+      case 'DELETE':
+        return this.renderDelete()
+      case 'EDIT':
+        return this.renderEdit()
+      case 'IDLE':
+      default:
+        return this.renderIdle()
+    }
+  }
+}
+
+const FolderItem = CSSModules(UnstyledFolderItem, styles)
+
+class StorageItem extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      isLabelEditing: false
+    }
+  }
+
+  handleNewFolderButtonClick (e) {
+    let { storage } = this.props
+    let input = {
+      name: 'Untitled',
+      color: consts.FOLDER_COLORS[Math.floor(Math.random() * 7) % 7]
+    }
+
+    dataApi.createFolder(storage.key, input)
+      .then((storage) => {
+        store.dispatch({
+          type: 'ADD_FOLDER',
+          storage: storage
+        })
+      })
+      .catch((err) => {
+        console.error(err)
+      })
+  }
+
+  handleExternalButtonClick () {
+    let { storage } = this.props
+    shell.showItemInFolder(storage.path)
+  }
+
+  handleUnlinkButtonClick (e) {
+    let { storage } = this.props
+    dataApi.removeStorage(storage.key)
+      .then(() => {
+        store.dispatch({
+          type: 'REMOVE_STORAGE',
+          key: storage.key
+        })
+      })
+      .catch((err) => {
+        console.error(err)
+      })
+  }
+
+  handleLabelClick (e) {
+    let { storage } = this.props
+    this.setState({
+      isLabelEditing: true,
+      name: storage.name
+    }, () => {
+      this.refs.label.focus()
+    })
+  }
+  handleLabelChange (e) {
+    this.setState({
+      name: this.refs.label.value
+    })
+  }
+  handleLabelBlur (e) {
+    let { storage } = this.props
+    dataApi
+      .renameStorage(storage.key, this.state.name)
+      .then((storage) => {
+        store.dispatch({
+          type: 'RENAME_STORAGE',
+          storage: storage
+        })
+        this.setState({
+          isLabelEditing: false
+        })
+      })
+  }
+
+  render () {
+    let { storage } = this.props
+    let folderList = storage.folders.map((folder) => {
+      return <FolderItem key={folder.key}
+        folder={folder}
+        storage={storage}
+      />
+    })
+    return (
+      <div styleName='root' key={storage.key}>
+        <div styleName='header'>
+          {this.state.isLabelEditing
+            ? <div styleName='header-label--edit'>
+              <input styleName='header-label-input'
+                value={this.state.name}
+                ref='label'
+                onChange={(e) => this.handleLabelChange(e)}
+                onBlur={(e) => this.handleLabelBlur(e)}
+              />
+            </div>
+            : <div styleName='header-label'
+              onClick={(e) => this.handleLabelClick(e)}
+            >
+              <i className='fa fa-folder-open'/>&nbsp;
+              {storage.name}&nbsp;
+              <span styleName='header-label-path'>({storage.path})</span>&nbsp;
+              <i styleName='header-label-editButton' className='fa fa-pencil'/>
+            </div>
+          }
+          <div styleName='header-control'>
+            <button styleName='header-control-button'
+              onClick={(e) => this.handleNewFolderButtonClick(e)}
+            >
+              <i className='fa fa-plus'/>
+            </button>
+            <button styleName='header-control-button'
+              onClick={(e) => this.handleExternalButtonClick(e)}
+            >
+              <i className='fa fa-external-link'/>
+            </button>
+            <button styleName='header-control-button'
+              onClick={(e) => this.handleUnlinkButtonClick(e)}
+            >
+              <i className='fa fa-unlink'/>
+            </button>
+          </div>
+        </div>
+        <div styleName='folderList'>
+          {folderList.length > 0
+            ? folderList
+            : <div styleName='folderList-empty'>No Folders</div>
+          }
+        </div>
+      </div>
+    )
+  }
+}
+
+StorageItem.propTypes = {
+  storage: PropTypes.shape({
+    key: PropTypes.string
+  }),
+  folder: PropTypes.shape({
+    key: PropTypes.string,
+    color: PropTypes.string,
+    name: PropTypes.string
+  })
+}
+
+export default CSSModules(StorageItem, styles)
diff --git a/browser/main/modals/PreferencesModal/StorageItem.styl b/browser/main/modals/PreferencesModal/StorageItem.styl
new file mode 100644
index 00000000..48184101
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/StorageItem.styl
@@ -0,0 +1,119 @@
+.root
+  position relative
+  margin-bottom 15px
+
+.header
+  height 35px
+  line-height 30px
+  padding 0 10px 5px
+  box-sizing border-box
+  border-bottom $default-border
+  margin-bottom 5px
+
+.header-label
+  float left
+  cursor pointer
+  &:hover
+    .header-label-editButton
+      opacity 1
+
+.header-label-path
+  color $ui-inactive-text-color
+  font-size 10px
+  margin 0 5px
+.header-label-editButton
+  color $ui-text-color
+  opacity 0
+  transition 0.2s
+.header-label--edit
+  @extend .header-label
+
+.header-label-input
+  height 25px
+  box-sizing border-box
+  vertical-align middle
+  border $ui-border
+  border-radius 2px
+  padding 0 5px
+
+
+.header-control
+  float right
+
+.header-control-button
+  width 30px
+  height 25px
+  colorDefaultButton()
+  border-radius 2px
+  border $ui-border
+  margin-right 5px
+  &:last-child
+    margin-right 0
+
+.folderList-item
+  height 35px
+  box-sizing border-box
+  padding 2.5px 15px
+  &:hover
+    background-color darken(white, 3%)
+.folderList-item-left
+  height 30px
+  border-left solid 4px transparent
+  padding 0 10px
+  line-height 30px
+  float left
+.folderList-item-left-danger
+  color $danger-color
+  font-weight bold
+
+.folderList-item-left-key
+  color $ui-inactive-text-color
+  font-size 10px
+  margin 0 5px
+  border none
+
+.folderList-item-left-colorButton
+  colorDefaultButton()
+  height 25px
+  width 25px
+  line-height 23px
+  padding 0
+  box-sizing border-box
+  vertical-align middle
+  border $ui-border
+  border-radius 2px
+  margin-right 5px
+  margin-left -15px
+
+.folderList-item-left-nameInput
+  height 25px
+  box-sizing border-box
+  vertical-align middle
+  border $ui-border
+  border-radius 2px
+  padding 0 5px
+
+.folderList-item-right
+  float right
+
+.folderList-item-right-button
+  vertical-align middle
+  height 25px
+  margin-top 2.5px
+  colorDefaultButton()
+  border-radius 2px
+  border $ui-border
+  margin-right 5px
+  padding 0 5px
+  &:last-child
+    margin-right 0
+
+.folderList-item-right-confirmButton
+  @extend .folderList-item-right-button
+  border none
+  colorPrimaryButton()
+
+.folderList-item-right-dangerButton
+  @extend .folderList-item-right-button
+  border none
+  colorDangerButton()
diff --git a/browser/main/modals/PreferencesModal/StoragesTab.js b/browser/main/modals/PreferencesModal/StoragesTab.js
new file mode 100644
index 00000000..f9a7183c
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/StoragesTab.js
@@ -0,0 +1,223 @@
+import React, { PropTypes } from 'react'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './StoragesTab.styl'
+import dataApi from 'browser/main/lib/dataApi'
+import StorageItem from './StorageItem'
+
+const electron = require('electron')
+const remote = electron.remote
+
+function browseFolder () {
+  let dialog = remote.dialog
+
+  let defaultPath = remote.app.getPath('home')
+  return new Promise((resolve, reject) => {
+    dialog.showOpenDialog({
+      title: 'Select Directory',
+      defaultPath,
+      properties: ['openDirectory', 'createDirectory']
+    }, function (targetPaths) {
+      if (targetPaths == null) return resolve('')
+      resolve(targetPaths[0])
+    })
+  })
+}
+
+class StoragesTab extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      page: 'LIST',
+      newStorage: {
+        name: 'Unnamed',
+        type: 'FILESYSTEM',
+        path: ''
+      }
+    }
+  }
+
+  handleAddStorageButton (e) {
+    this.setState({
+      page: 'ADD_STORAGE',
+      newStorage: {
+        name: 'Unnamed',
+        type: 'FILESYSTEM',
+        path: ''
+      }
+    }, () => {
+      this.refs.addStorageName.select()
+    })
+  }
+
+  renderList () {
+    let { storages } = this.props
+
+    let storageList = storages.map((storage) => {
+      return <StorageItem
+        key={storage.key}
+        storage={storage}
+      />
+    })
+    return (
+      <div styleName='list'>
+        {storageList.length > 0
+          ? storageList
+          : <div styleName='list-empty'>No storage found.</div>
+        }
+        <div styleName='list-control'>
+          <button styleName='list-control-addStorageButton'
+            onClick={(e) => this.handleAddStorageButton(e)}
+          >
+            <i className='fa fa-plus'/> Add Storage
+          </button>
+        </div>
+      </div>
+    )
+  }
+
+  handleAddStorageBrowseButtonClick (e) {
+    browseFolder()
+      .then((targetPath) => {
+        if (targetPath.length > 0) {
+          let { newStorage } = this.state
+          newStorage.path = targetPath
+          this.setState({
+            newStorage
+          })
+        }
+      })
+      .catch((err) => {
+        console.error('BrowseFAILED')
+        console.error(err)
+      })
+  }
+
+  handleAddStorageChange (e) {
+    let { newStorage } = this.state
+    newStorage.name = this.refs.addStorageName.value
+    newStorage.path = this.refs.addStoragePath.value
+    this.setState({
+      newStorage
+    })
+  }
+
+  handleAddStorageCreateButton (e) {
+    dataApi
+      .addStorage({
+        name: this.state.newStorage.name,
+        path: this.state.newStorage.path
+      })
+      .then((data) => {
+        let { dispatch } = this.props
+        dispatch({
+          type: 'ADD_STORAGE',
+          storage: data.storage,
+          notes: data.notes
+        })
+        this.setState({
+          page: 'LIST'
+        })
+      })
+  }
+
+  handleAddStorageCancelButton (e) {
+    this.setState({
+      page: 'LIST'
+    })
+  }
+
+  renderAddStorage () {
+    return (
+      <div styleName='addStorage'>
+
+        <div styleName='addStorage-header'>Add Storage</div>
+
+        <div styleName='addStorage-body'>
+
+          <div styleName='addStorage-body-section'>
+            <div styleName='addStorage-body-section-label'>
+              Name
+            </div>
+            <div styleName='addStorage-body-section-name'>
+              <input styleName='addStorage-body-section-name-input'
+                ref='addStorageName'
+                value={this.state.newStorage.name}
+                onChange={(e) => this.handleAddStorageChange(e)}
+              />
+            </div>
+          </div>
+
+          <div styleName='addStorage-body-section'>
+            <div styleName='addStorage-body-section-label'>Type</div>
+            <div styleName='addStorage-body-section-type'>
+              <select styleName='addStorage-body-section-type-select'
+                value={this.state.newStorage.type}
+                readOnly
+              >
+                <option value='FILESYSTEM'>File System</option>
+              </select>
+              <div styleName='addStorage-body-section-type-description'>
+                3rd party cloud integration(such as Google Drive and Dropbox) will be available soon.
+              </div>
+            </div>
+          </div>
+
+          <div styleName='addStorage-body-section'>
+            <div styleName='addStorage-body-section-label'>Location
+            </div>
+            <div styleName='addStorage-body-section-path'>
+              <input styleName='addStorage-body-section-path-input'
+                ref='addStoragePath'
+                placeholder='Select Folder'
+                value={this.state.newStorage.path}
+                onChange={(e) => this.handleAddStorageChange(e)}
+              />
+              <button styleName='addStorage-body-section-path-button'
+                onClick={(e) => this.handleAddStorageBrowseButtonClick(e)}
+              >
+                ...
+              </button>
+            </div>
+          </div>
+
+          <div styleName='addStorage-body-control'>
+            <button styleName='addStorage-body-control-createButton'
+              onClick={(e) => this.handleAddStorageCreateButton(e)}
+            >Create</button>
+            <button styleName='addStorage-body-control-cancelButton'
+              onClick={(e) => this.handleAddStorageCancelButton(e)}
+            >Cancel</button>
+          </div>
+
+        </div>
+
+      </div>
+    )
+  }
+
+  renderContent () {
+    switch (this.state.page) {
+      case 'ADD_STORAGE':
+      case 'ADD_FOLDER':
+        return this.renderAddStorage()
+      case 'LIST':
+      default:
+        return this.renderList()
+    }
+  }
+
+  render () {
+    return (
+      <div styleName='root'>
+        {this.renderContent()}
+      </div>
+    )
+  }
+}
+
+StoragesTab.propTypes = {
+  dispatch: PropTypes.func
+}
+
+export default CSSModules(StoragesTab, styles)
diff --git a/browser/main/modals/PreferencesModal/StoragesTab.styl b/browser/main/modals/PreferencesModal/StoragesTab.styl
new file mode 100644
index 00000000..513048c5
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/StoragesTab.styl
@@ -0,0 +1,115 @@
+.root
+  padding 15px
+  color $ui-text-color
+
+.list
+  margin-bottom 15px
+  font-size 14px
+
+.folderList
+  padding 0 15px
+
+.folderList-item
+  height 30px
+  line-height 30px
+  border-bottom $ui-border
+
+.folderList-empty
+  height 30px
+  line-height 30px
+  font-size 12px
+  color $ui-inactive-text-color
+
+.list-empty
+  height 30px
+  color $ui-inactive-text-color
+.list-control
+  height 30px
+.list-control-addStorageButton
+  height 30px
+  padding 0 15px
+  border $ui-border
+  colorDefaultButton()
+  border-radius 2px
+
+.addStorage
+  margin-bottom 15px
+
+.addStorage-header
+  font-size 24px
+  color $ui-text-color
+  padding 5px
+  border-bottom $default-border
+  margin-bottom 15px
+
+.addStorage-body-section
+  margin-bottom 15px
+  display flex
+  line-height 30px
+
+.addStorage-body-section-label
+  width 150px
+  text-align right
+  margin-right 10px
+
+.addStorage-body-section-name
+  flex 1
+.addStorage-body-section-name-input
+  height 30px
+  vertical-align middle
+  width 150px
+  font-size 12px
+  border solid 1px $border-color
+  border-radius 2px
+  padding 0 5px
+
+.addStorage-body-section-type
+  flex 1
+.addStorage-body-section-type-select
+  height 30px
+.addStorage-body-section-type-description
+  margin 5px
+  font-size 12px
+  color $ui-inactive-text-color
+  line-height 16px
+
+.addStorage-body-section-path
+  flex 1
+.addStorage-body-section-path-input
+  height 30px
+  vertical-align middle
+  width 150px
+  font-size 12px
+  border-style solid
+  border-width 1px 0 1px 1px
+  border-color $border-color
+  border-top-left-radius 2px
+  border-bottom-left-radius 2px
+  padding 0 5px
+.addStorage-body-section-path-button
+  height 30px
+  border none
+  border-top-right-radius 2px
+  border-bottom-right-radius 2px
+  colorPrimaryButton()
+  vertical-align middle
+.addStorage-body-control
+  border-top $default-border
+  padding-top 10px
+  box-sizing border-box
+  height 40px
+  text-align right
+
+.addStorage-body-control-createButton
+  colorPrimaryButton()
+  border none
+  border-radius 2px
+  height 30px
+  padding 0 15px
+  margin-right 5px
+.addStorage-body-control-cancelButton
+  colorDefaultButton()
+  border $default-border
+  border-radius 2px
+  height 30px
+  padding 0 15px
diff --git a/browser/main/modals/PreferencesModal/index.js b/browser/main/modals/PreferencesModal/index.js
new file mode 100644
index 00000000..90c2718e
--- /dev/null
+++ b/browser/main/modals/PreferencesModal/index.js
@@ -0,0 +1,112 @@
+import React, { PropTypes } from 'react'
+import { connect } from 'react-redux'
+import ConfigTab from './ConfigTab'
+import InfoTab from './InfoTab'
+import StoragesTab from './StoragesTab'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './PreferencesModal.styl'
+
+class Preferences extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      currentTab: 'STORAGES'
+    }
+  }
+
+  componentDidMount () {
+    this.refs.root.focus()
+  }
+
+  switchTeam (teamId) {
+    this.setState({currentTeamId: teamId})
+  }
+
+  handleNavButtonClick (tab) {
+    return (e) => {
+      this.setState({currentTab: tab})
+    }
+  }
+
+  renderContent () {
+    let { dispatch, config, storages } = this.props
+
+    switch (this.state.currentTab) {
+      case 'INFO':
+        return <InfoTab/>
+      case 'CONFIG':
+        return (
+          <ConfigTab
+            dispatch={dispatch}
+            config={config}
+          />
+        )
+      case 'STORAGES':
+      default:
+        return (
+          <StoragesTab
+            dispatch={dispatch}
+            storages={storages}
+          />
+        )
+    }
+  }
+
+  handleKeyDown (e) {
+    if (e.keyCode === 27) {
+      this.props.close()
+    }
+  }
+
+  render () {
+    let content = this.renderContent()
+
+    let tabs = [
+      {target: 'STORAGES', label: 'Storages', icon: 'database'},
+      {target: 'CONFIG', label: 'Config', icon: 'cogs'},
+      {target: 'INFO', label: 'Info', icon: 'info-circle'}
+    ]
+
+    let navButtons = tabs.map((tab) => {
+      let isActive = this.state.currentTab === tab.target
+      return (
+        <button styleName={isActive
+            ? 'nav-button--active'
+            : 'nav-button'
+          }
+          key={tab.target}
+          onClick={(e) => this.handleNavButtonClick(tab.target)(e)}
+        >
+          <i styleName='nav-button-icon'
+            className={'fa fa-' + tab.icon}
+          />
+          <span styleName='nav-button-label'>
+            {tab.label}
+          </span>
+        </button>
+      )
+    })
+
+    return (
+      <div styleName='root'
+        ref='root'
+        tabIndex='-1'
+        onKeyDown={(e) => this.handleKeyDown(e)}
+      >
+        <div styleName='nav'>
+          {navButtons}
+        </div>
+        <div styleName='content'>
+          {content}
+        </div>
+      </div>
+    )
+  }
+}
+
+Preferences.propTypes = {
+  dispatch: PropTypes.func
+}
+
+export default connect((x) => x)(CSSModules(Preferences, styles))
diff --git a/browser/main/reducer.js b/browser/main/reducer.js
deleted file mode 100644
index 281b3d47..00000000
--- a/browser/main/reducer.js
+++ /dev/null
@@ -1,306 +0,0 @@
-import { combineReducers } from 'redux'
-import _ from 'lodash'
-import {
-  // Status action type
-  SWITCH_FOLDER,
-  SWITCH_ARTICLE,
-  SET_SEARCH_FILTER,
-  SET_TAG_FILTER,
-  CLEAR_SEARCH,
-  TOGGLE_TUTORIAL,
-
-  // user
-  USER_UPDATE,
-
-  // Article action type
-  ARTICLE_UPDATE,
-  ARTICLE_DESTROY,
-  ARTICLE_CACHE,
-  ARTICLE_UNCACHE,
-  ARTICLE_UNCACHE_ALL,
-  ARTICLE_SAVE,
-  ARTICLE_SAVE_ALL,
-
-  // Folder action type
-  FOLDER_CREATE,
-  FOLDER_UPDATE,
-  FOLDER_DESTROY,
-  FOLDER_REPLACE
-} from './actions'
-import dataStore from 'browser/lib/dataStore'
-import keygen from 'browser/lib/keygen'
-import activityRecord from 'browser/lib/activityRecord'
-
-const initialStatus = {
-  search: '',
-  isTutorialOpen: false
-}
-
-dataStore.init()
-let data = dataStore.getData()
-let initialArticles = {
-  data: data && data.articles ? data.articles : [],
-  modified: []
-}
-let initialFolders = data && data.folders ? data.folders : []
-let initialUser = dataStore.getUser().user
-
-function user (state = initialUser, action) {
-  switch (action.type) {
-    case USER_UPDATE:
-      let updated = Object.assign(state, action.data)
-      dataStore.saveUser(null, updated)
-      return updated
-    default:
-      return state
-  }
-}
-
-function folders (state = initialFolders, action) {
-  state = state.slice()
-  switch (action.type) {
-    case FOLDER_CREATE:
-      {
-        let newFolder = action.data.folder
-        if (!_.isString(newFolder.name)) throw new Error('Folder name must be a string')
-        newFolder.name = newFolder.name.trim().replace(/\s/g, '_')
-
-        Object.assign(newFolder, {
-          key: keygen(),
-          createdAt: new Date(),
-          updatedAt: new Date()
-        })
-
-        if (newFolder.name == null || newFolder.name.length === 0) throw new Error('Folder name is required')
-        if (newFolder.name.match(/\//)) throw new Error('`/` is not available for folder name')
-
-        let conflictFolder = _.find(state, (folder) => folder.name.toLowerCase() === newFolder.name.toLowerCase())
-        if (conflictFolder != null) throw new Error(`${conflictFolder.name} already exists!`)
-        state.push(newFolder)
-
-        dataStore.setFolders(state)
-        activityRecord.emit('FOLDER_CREATE')
-        return state
-      }
-    case FOLDER_UPDATE:
-      {
-        let folder = action.data.folder
-        let targetFolder = _.findWhere(state, {key: folder.key})
-
-        if (!_.isString(folder.name)) throw new Error('Folder name must be a string')
-        folder.name = folder.name.trim().replace(/\s/g, '_')
-        if (folder.name.length === 0) throw new Error('Folder name is required')
-        if (folder.name.match(/\//)) throw new Error('`/` is not available for folder name')
-
-        // Folder existence check
-        if (targetFolder == null) throw new Error('Folder doesnt exist')
-        // Name conflict check
-        if (targetFolder.name !== folder.name) {
-          let conflictFolder = _.find(state, (_folder) => {
-            return folder.name.toLowerCase() === _folder.name.toLowerCase() && folder.key !== _folder.key
-          })
-          if (conflictFolder != null) throw new Error('Name conflicted')
-        }
-        Object.assign(targetFolder, folder, {
-          updatedAt: new Date()
-        })
-
-        dataStore.setFolders(state)
-        activityRecord.emit('FOLDER_UPDATE')
-        return state
-      }
-    case FOLDER_DESTROY:
-      {
-        if (state.length < 2) throw new Error('Folder must exist more than one')
-
-        let targetKey = action.data.key
-        let targetIndex = _.findIndex(state, (folder) => folder.key === targetKey)
-        if (targetIndex >= 0) {
-          state.splice(targetIndex, 1)
-        }
-        dataStore.setFolders(state)
-        activityRecord.emit('FOLDER_DESTROY')
-        return state
-      }
-    case FOLDER_REPLACE:
-      {
-        let { a, b } = action.data
-        let folderA = state[a]
-        let folderB = state[b]
-        state.splice(a, 1, folderB)
-        state.splice(b, 1, folderA)
-      }
-      dataStore.setFolders(state)
-      return state
-    default:
-      return state
-  }
-}
-
-function compareArticle (original, modified) {
-  var keys = _.keys(_.pick(modified, ['mode', 'title', 'tags', 'content', 'FolderKey']))
-
-  return keys.reduce((sum, key) => {
-    if ((key === 'tags' && !_.isEqual(original[key], modified[key])) || (key !== 'tags' && original[key] !== modified[key])) {
-      if (sum == null) {
-        sum = {
-          key: original.key
-        }
-      }
-      sum[key] = modified[key]
-    }
-    return sum
-  }, null)
-}
-
-function articles (state = initialArticles, action) {
-  switch (action.type) {
-    case ARTICLE_CACHE:
-      {
-        let modified = action.data.article
-        let targetKey = action.data.key
-        let originalIndex = _.findIndex(state.data, (_article) => targetKey === _article.key)
-        if (originalIndex === -1) return state
-        let modifiedIndex = _.findIndex(state.modified, (_article) => targetKey === _article.key)
-
-        modified = compareArticle(state.data[originalIndex], modified)
-        if (modified == null) {
-          if (modifiedIndex !== -1) state.modified.splice(modifiedIndex, 1)
-          return state
-        }
-
-        if (modifiedIndex === -1) state.modified.push(modified)
-        else Object.assign(state.modified[modifiedIndex], modified)
-        return state
-      }
-    case ARTICLE_UNCACHE:
-      {
-        let targetKey = action.data.key
-        let modifiedIndex = _.findIndex(state.modified, _article => targetKey === _article.key)
-        if (modifiedIndex >= 0) state.modified.splice(modifiedIndex, 1)
-        return state
-      }
-    case ARTICLE_UNCACHE_ALL:
-      state.modified = []
-      return state
-    case ARTICLE_SAVE:
-      {
-        let targetKey = action.data.key
-        let override = action.data.article
-        let modifiedIndex = _.findIndex(state.modified, _article => targetKey === _article.key)
-        let modified = modifiedIndex !== -1 ? state.modified.splice(modifiedIndex, 1)[0] : null
-
-        let targetIndex = _.findIndex(state.data, _article => targetKey === _article.key)
-        // Make a new if target article is not found.
-        if (targetIndex === -1) {
-          state.data.push(Object.assign({
-            title: '',
-            content: '',
-            mode: 'markdown',
-            tags: [],
-            craetedAt: new Date()
-          }, modified, override, {key: targetKey, updatedAt: new Date()}))
-          return state
-        }
-
-        Object.assign(state.data[targetIndex], modified, override, {key: targetKey, updatedAt: new Date()})
-
-        dataStore.setArticles(state.data)
-        return state
-      }
-    case ARTICLE_SAVE_ALL:
-      if (state.modified.length > 0) {
-        state.modified.forEach(modifiedArticle => {
-          let targetIndex = _.findIndex(state.data, _article => modifiedArticle.key === _article.key)
-          Object.assign(state.data[targetIndex], modifiedArticle, {key: modifiedArticle.key, updatedAt: new Date()})
-        })
-      }
-
-      state.modified = []
-      dataStore.setArticles(state.data)
-
-      return state
-    case ARTICLE_UPDATE:
-      {
-        let article = action.data.article
-
-        let targetIndex = _.findIndex(state.data, _article => article.key === _article.key)
-        if (targetIndex < 0) state.data.unshift(article)
-        else Object.assign(state.data[targetIndex], article)
-
-        dataStore.setArticles(state.data)
-        return state
-      }
-    case ARTICLE_DESTROY:
-      {
-        let articleKey = action.data.key
-
-        let targetIndex = _.findIndex(state.data, _article => articleKey === _article.key)
-        if (targetIndex >= 0) state.data.splice(targetIndex, 1)
-        let modifiedIndex = _.findIndex(state.modified, _article => articleKey === _article.key)
-        if (modifiedIndex >= 0) state.modified.splice(modifiedIndex, 1)
-
-        dataStore.setArticles(state.data)
-        return state
-      }
-    case FOLDER_DESTROY:
-      {
-        let folderKey = action.data.key
-
-        state.data = state.data.filter(article => article.FolderKey !== folderKey)
-
-        dataStore.setArticles(state.data)
-        return state
-      }
-    default:
-      return state
-  }
-}
-
-function status (state = initialStatus, action) {
-  state = Object.assign({}, state)
-  switch (action.type) {
-    case TOGGLE_TUTORIAL:
-      state.isTutorialOpen = !state.isTutorialOpen
-      return state
-  }
-
-  switch (action.type) {
-    case ARTICLE_SAVE:
-      if (action.data.forceSwitch) {
-        let article = action.data.article
-        state.articleKey = article.key
-        state.search = ''
-      }
-      return state
-    case SWITCH_FOLDER:
-      state.search = `\/\/${action.data} `
-
-      return state
-    case SWITCH_ARTICLE:
-      state.articleKey = action.data.key
-
-      return state
-    case SET_SEARCH_FILTER:
-      state.search = action.data
-
-      return state
-    case SET_TAG_FILTER:
-      state.search = `#${action.data}`
-
-      return state
-    case CLEAR_SEARCH:
-      state.search = ''
-
-      return state
-    default:
-      return state
-  }
-}
-
-export default combineReducers({
-  user,
-  folders,
-  articles,
-  status
-})
diff --git a/browser/main/store.js b/browser/main/store.js
index e910bfaa..b1c2e68b 100644
--- a/browser/main/store.js
+++ b/browser/main/store.js
@@ -1,5 +1,126 @@
-import reducer from './reducer'
-import { createStore } from 'redux'
+import { combineReducers, createStore } from 'redux'
+import { routerReducer } from 'react-router-redux'
+import ConfigManager from 'browser/main/lib/ConfigManager'
+
+function storages (state = [], action) {
+  console.info('REDUX >> ', action)
+  switch (action.type) {
+    case 'INIT_ALL':
+      return action.storages
+    case 'ADD_STORAGE':
+      {
+        let storages = state.slice()
+
+        storages.push(action.storage)
+
+        return storages
+      }
+    case 'ADD_FOLDER':
+    case 'REMOVE_FOLDER':
+    case 'UPDATE_STORAGE':
+    case 'RENAME_STORAGE':
+      {
+        let storages = state.slice()
+        storages = storages
+          .filter((storage) => storage.key !== action.storage.key)
+        storages.push(action.storage)
+
+        return storages
+      }
+    case 'REMOVE_STORAGE':
+      {
+        let storages = state.slice()
+        storages = storages
+          .filter((storage) => storage.key !== action.key)
+
+        return storages
+      }
+  }
+  return state
+}
+
+function notes (state = [], action) {
+  switch (action.type) {
+    case 'INIT_ALL':
+      return action.notes
+    case 'ADD_STORAGE':
+      {
+        let notes = state.concat(action.notes)
+        return notes
+      }
+    case 'REMOVE_STORAGE':
+      {
+        let notes = state.slice()
+        notes = notes
+          .filter((note) => note.storage !== action.key)
+
+        return notes
+      }
+    case 'REMOVE_FOLDER':
+      {
+        let notes = state.slice()
+        notes = notes
+          .filter((note) => note.storage !== action.storage.key || note.folder !== action.key)
+
+        return notes
+      }
+    case 'CREATE_NOTE':
+      {
+        let notes = state.slice()
+        notes.push(action.note)
+        return notes
+      }
+    case 'UPDATE_NOTE':
+      {
+        let notes = state.slice()
+        notes = notes.filter((note) => note.key !== action.note.key || note.folder !== action.note.folder || note.storage !== action.note.storage)
+        notes.push(action.note)
+        return notes
+      }
+    case 'MOVE_NOTE':
+      {
+        let notes = state.slice()
+        notes = notes.filter((note) => note.key !== action.note.key || note.folder !== action.note.folder || note.storage !== action.note.storage)
+        notes.push(action.newNote)
+        return notes
+      }
+    case 'REMOVE_NOTE':
+      {
+        let notes = state.slice()
+        notes = notes.filter((note) => note.key !== action.note.key || note.folder !== action.note.folder || note.storage !== action.note.storage)
+        return notes
+      }
+  }
+  return state
+}
+
+const defaultConfig = ConfigManager.get()
+
+function config (state = defaultConfig, action) {
+  switch (action.type) {
+    case 'SET_IS_SIDENAV_FOLDED':
+      state.isSideNavFolded = action.isFolded
+      return Object.assign({}, state)
+    case 'SET_ZOOM':
+      state.zoom = action.zoom
+      return Object.assign({}, state)
+    case 'SET_LIST_WIDTH':
+      state.listWidth = action.listWidth
+      return Object.assign({}, state)
+    case 'SET_CONFIG':
+      return Object.assign({}, state, action.config)
+    case 'SET_UI':
+      return Object.assign({}, state, action.config)
+  }
+  return state
+}
+
+let reducer = combineReducers({
+  storages,
+  notes,
+  config,
+  routing: routerReducer
+})
 
 let store = createStore(reducer)
 
diff --git a/browser/styles/index.styl b/browser/styles/index.styl
new file mode 100644
index 00000000..14d50946
--- /dev/null
+++ b/browser/styles/index.styl
@@ -0,0 +1,130 @@
+$brand-color = #6AA5E9
+
+$danger-color = #c9302c
+$danger-lighten-color = lighten(#c9302c, 5%)
+
+// Layouts
+$statusBar-height = 24px
+$sideNav-width = 200px
+$sideNav--folded-width = 44px
+$topBar-height = 50px
+
+// UI default
+$ui-text-color = #515151
+$ui-inactive-text-color = #939395
+$ui-borderColor = #D1D1D1
+$ui-backgroundColor = #FAFAFA
+$ui-border = solid 1px $ui-borderColor
+$ui-active-color = #6AA5E9
+
+// UI Button
+$ui-button-color = #939395
+$ui-button--hover-backgroundColor = rgba(126, 127, 129, 0.08)
+$ui-button--active-color = white
+$ui-button--active-backgroundColor = #6AA5E9
+$ui-button--focus-borderColor = lighten(#369DCD, 25%)
+
+// UI Tooltip
+$ui-tooltip-text-color = white
+$ui-tooltip-backgroundColor = alpha(#444, 70%)
+$ui-tooltip-button-backgroundColor = #D1D1D1
+$ui-tooltip-button--hover-backgroundColor = lighten(#D1D1D1, 30%)
+
+// UI Input
+$ui-input--focus-borderColor = #369DCD
+$ui-input--disabled-backgroundColor = #DDD
+
+/*
+* # Border
+*/
+$border-color = #D0D0D0
+$active-border-color = #369DCD
+$focus-border-color = #369DCD
+
+$default-border = solid 1px $border-color
+$active-border = solid 1px $active-border-color
+
+/**
+* # Button styles
+*/
+
+// Default button
+$default-button-background = white
+$default-button-background--hover = #e6e6e6
+$default-button-background--active = #d4d4d4
+
+colorDefaultButton()
+  background-color $default-button-background
+  &:hover
+    background-color $default-button-background--hover
+  &:active
+    background-color $default-button-background--active
+  &:active:hover
+    background-color $default-button-background--active
+
+// Primary button(Brand color)
+$primary-button-background = $brand-color
+$primary-button-background--hover = darken($brand-color, 5%)
+$primary-button-background--active = darken($brand-color, 10%)
+
+colorPrimaryButton()
+  color white
+  background-color $primary-button-background
+  &:hover
+    background-color $primary-button-background--hover
+  &:active
+    background-color $primary-button-background--active
+  &:active:hover
+    background-color $primary-button-background--activ
+
+// Danger button(Brand color)
+$danger-button-background = #c9302c
+$danger-button-background--hover = darken(#c9302c, 5%)
+$danger-button-background--active = darken(#c9302c, 10%)
+
+colorDangerButton()
+  color white
+  background-color $danger-button-background
+  &:hover
+    background-color $danger-button-background--hover
+  &:active
+    background-color $danger-button-background--active
+  &:active:hover
+    background-color $danger-button-background--active
+
+/**
+* Nav
+*/
+
+navButtonColor()
+  border none
+  color $ui-button-color
+  background-color transparent
+  transition color background-color  0.15s
+  &:hover
+    background-color $ui-button--hover-backgroundColor
+  &:active
+    background-color $ui-button--active-backgroundColor
+    color $ui-button--active-color
+  &:active, &:active:hover
+    background-color $ui-button--active-backgroundColor
+    color $ui-button--active-color
+
+/**
+* # Modal Stuff
+* These will be moved lib/modal
+*/
+
+$modal-z-index = 1002
+$modal-background = white
+$modal-margin = 64px auto 64px
+$modal-border-radius = 5px
+
+modal()
+  position relative
+  z-index $modal-z-index
+  width 100%
+  background-color $modal-background
+  overflow hidden
+  border-radius $modal-border-radius
+  box-shadow 2px 2px 10px gray
diff --git a/browser/styles/main/ArticleDetail.styl b/browser/styles/main/ArticleDetail.styl
deleted file mode 100644
index bcf9edeb..00000000
--- a/browser/styles/main/ArticleDetail.styl
+++ /dev/null
@@ -1,393 +0,0 @@
-noTagsColor = #999
-
-infoButton()
-  display inline-block
-  border-radius 16.5px
-  cursor pointer
-  height 33px
-  width 33px
-  line-height 33px
-  margin-right 5px
-  font-size 18px
-  color inactiveTextColor
-  background-color white
-  padding 0
-  border 1px solid white
-  &:focus
-    border-color focusBorderColor
-  &:hover
-    color inherit
-
-.ArticleDetail
-  absolute right bottom
-  top 60px
-  left 450px
-  padding 10px
-  background-color #E6E6E6
-  border-top 1px solid borderColor
-  &.empty
-    .ArticleDetail-empty-box
-      line-height 72px
-      font-size 42px
-      height 320px
-      display flex
-      align-items center
-      .ArticleDetail-empty-box-message
-        text-align center
-        width 100%
-        color inactiveTextColor
-  .ArticleDetail-info
-    height 70px
-    width 100%
-    font-size 12px
-    user-select none
-    &>.tutorial
-      position fixed
-      z-index 35
-    .ArticleDetail-info-folder
-      display inline-block
-      max-width 100px
-      overflow ellipsis
-      height 10px
-      width 150px
-      height 27px
-      outline none
-      background-color darken(white, 5%)
-      border 1px solid transparent
-      &:hover
-        background-color white
-      &:focus
-        border-color focusBorderColor
-      &>.tutorial
-        position fixed
-        z-index 35
-    .ArticleDetail-info-status
-      padding 0 5px
-      .unsaved-mark
-        color brandColor
-    .ArticleDetail-info-control
-      float right
-      clearfix
-      .ShareButton
-        display block
-        float left
-      &>button, .ShareButton-open-button
-        infoButton()
-        .tooltip
-          tooltip()
-          margin-top 30px
-        &:hover
-          .tooltip
-            opacity 1
-      &>button
-        float left
-        &:nth-child(1) .tooltip
-          margin-left -65px
-      .ArticleDetail-info-control-delete-button
-        .tooltip
-          right 5px
-      .ArticleDetail-info-control-save
-        float left
-        width 80px
-        margin-right 5px
-        overflow hidden
-        transition width 0.15s ease-in-out
-        border-radius 16.5px
-        &.hide
-          width 0px
-          opacity 0.2
-      .ArticleDetail-info-control-save-button
-        infoButton()
-        background-color brandColor
-        color white
-        font-size 12px
-        width 100%
-        border 1px solid brandBorderColor
-        white-space nowrap
-        .fa
-          font-size 18px
-        &:hover
-          color white
-          background-color lighten(brandColor, 15%)
-        &:focus
-          color white
-          background-color lighten(brandColor, 15%)
-        .tooltip
-          tooltip()
-          margin-top 30px
-          margin-left -90px
-        &:hover .tooltip
-          opacity 1
-
-      .ShareButton-open-button .tooltip
-        margin-left -40px
-      .ShareButton-dropdown
-        position fixed
-        width 185px
-        z-index 35
-        background-color #F0F0F0
-        padding 4px 0
-        border-radius 5px
-        right 5px
-        top 95px
-        box-shadow 0px 0px 10px 1px alpha(#bbb, 0.8)
-        border 1px solid #bcbcbc
-        &.hide
-          display none
-        &>button
-          background-color transparent
-          height 21px
-          width 100%
-          border none
-          padding-left 20px
-          text-align left
-          font-size 13px
-          font-family '.HelveticaNeueDeskInterface-Regular', sans-serif
-          &:hover
-            background-color #4297FE
-            color white
-        .ShareButton-url
-          height 40px
-          width 100%
-          position relative
-          padding 0 5px
-          .ShareButton-url-input
-            height 21px
-            border none
-            width 143px
-            float left
-            border-top-left-radius 3px
-            border-bottom-left-radius 3px
-            border 1px solid borderColor
-            border-right none
-          .ShareButton-url-button
-            height 21px
-            border none
-            width 30px
-            float left
-            background-color #F0F0F0
-            border-top-right-radius 3px
-            border-bottom-right-radius 3px
-            border 1px solid borderColor
-            .ShareButton-url-button-tooltip
-              tooltip()
-              right 10px
-              margin-top 5px
-            &:hover
-              .ShareButton-url-button-tooltip
-                opacity 1
-            &:active
-              background-color #4297FE
-              color white
-          .ShareButton-url-alert
-            padding 10px
-            line-height 16px
-
-
-    .ArticleDetail-info-row2
-      .tutorial
-        position fixed
-        z-index 35
-        font-style italic
-      .TagSelect
-        margin-top 5px
-        .TagSelect-tags
-          white-space nowrap
-          overflow-x auto
-          position relative
-          noSelect()
-          z-index 30
-          background-color #E6E6E6
-          clearfix()
-          .TagSelect-tags-item
-            background-color transparent
-            color white
-            margin 0 2px
-            padding 0
-            height 17px
-            float left
-            button.TagSelect-tags-item-remove
-              display block
-              float left
-              background-color transparent
-              border none
-              font-size 8px
-              color white
-              width 15px
-              height 17px
-              text-align center
-              line-height 12px
-              padding 0
-              margin 0
-              border-top solid 1px darken(brandColor, 5%)
-              border-bottom solid 1px darken(brandColor, 5%)
-              border-left solid 1px darken(brandColor, 5%)
-              border-right solid 1px transparent
-              border-radius left 2px
-              background-color brandColor
-              &:hover
-                background-color lighten(brandColor, 10%)
-                border-color lighten(brandColor, 10%)
-              &:focus
-                background-color lighten(brandColor, 10%)
-                border-color focusBorderColor
-            .TagSelect-tags-item-label
-              background-color brandColor
-              float left
-              font-size 12px
-              border-top solid 1px darken(brandColor, 5%)
-              border-bottom solid 1px darken(brandColor, 5%)
-              border-right solid 1px darken(brandColor, 5%)
-              line-height 15px
-              padding 0 5px
-              border-radius right 2px
-          input.TagSelect-input
-            background-color transparent
-            border none
-            border-bottom 1px solid transparent
-            outline none
-            margin 0 2px
-            transition 0.15s
-            height 18px
-            &:focus
-              border-color focusBorderColor
-        .TagSelect-suggest
-          position fixed
-          width 150px
-          max-height 150px
-          background-color white
-          z-index 50
-          border 1px solid borderColor
-          border-radius 5px
-          overflow-y auto
-          &>button
-            width 100%
-            display block
-            padding 0 15px
-            height 33px
-            line-height 33px
-            background-color transparent
-            border none
-            text-align left
-            font-size 14px
-            &:hover
-              background-color darken(white, 10%)
-  .ArticleDetail-panel
-    position absolute
-    top 70px
-    left 10px
-    right 10px
-    bottom 10px
-    overflow-x hidden
-    overflow-y auto
-    background-color white
-    border-radius 5px
-    border solid 1px lighten(borderColor, 15%)
-    &>.ArticleDetail-panel-header
-      display block
-      height 60px
-      &>.tutorial
-        fixed right
-        z-index 35
-        font-style italic
-      .ArticleDetail-panel-header-mode
-        z-index 30
-        background-color white
-        absolute top bottom
-        right 10px
-        display block
-        height 33px
-        margin-top 14px
-        width 120px
-        margin-right 15px
-        border solid 1px borderColor
-        border-radius 5px
-        transition width 0.15s
-        user-select none
-        &.idle
-          cursor pointer
-          &:hover
-            background-color darken(white, 5%)
-          .ModeIcon
-            padding 0 5px
-            line-height 33px
-        &.edit
-          border-color focusBorderColor
-          input
-            width 120px
-            line-height 31px
-            padding 0 10px
-            border none
-            outline none
-            background-color transparent
-            font-size 14px
-          .ModeSelect-options
-            position fixed
-            width 120px
-            z-index 10
-            border 1px solid borderColor
-            border-radius 5px
-            background-color white
-            max-height 250px
-            overflow-y auto
-            margin-top 5px
-            .ModeSelect-options-item
-              height 33px
-              line-height 33px
-              cursor pointer
-              &.active, &:hover.active
-                background-color brandColor
-                color white
-              .ModeIcon
-                width 30px
-                text-align center
-                display inline-block
-              &:hover
-                background-color darken(white, 10%)
-      .ArticleDetail-panel-header-title
-        absolute left top
-        right 145px
-        padding 0 15px
-        background-color transparent
-        input
-          border none
-          line-height 60px
-          width 100%
-          font-size 24px
-          outline none
-    .ArticleEditor
-      absolute left right bottom
-      top 60px
-      .ArticleDetail-panel-content-tooltip
-        absolute bottom right
-        height 24px
-        background-color alpha(black, 0.5)
-        line-height 24px
-        color white
-        padding 0 15px
-        opacity 0
-        transition 0.1s
-        z-index 35
-      &:hover .ArticleDetail-panel-content-tooltip
-        opacity 1
-      .MarkdownPreview
-        absolute top left right bottom
-        marked()
-        box-sizing border-box
-        padding 5px 15px
-        border-top solid 1px borderColor
-        overflow-y auto
-        user-select all
-        &.empty
-          color lighten(inactiveTextColor, 10%)
-          user-select none
-          font-size 14px
-        &.lineNumbered
-          .lineNumber
-            display block
-      .CodeEditor
-        absolute top left right bottom
-        border-top solid 1px borderColor
-        min-height 300px
-        border-bottom-left-radius 5px
-        border-bottom-right-radius 5px
diff --git a/browser/styles/main/ArticleList.styl b/browser/styles/main/ArticleList.styl
deleted file mode 100644
index 4e3a63f5..00000000
--- a/browser/styles/main/ArticleList.styl
+++ /dev/null
@@ -1,105 +0,0 @@
-articleItemHoverBgColor = darken(white, 5%)
-articleItemColor = #777
-
-.ArticleList
-  absolute bottom
-  top 60px
-  left 200px
-  width 250px
-  border-top 1px solid borderColor
-  border-right 1px solid borderColor
-  &:focus
-    border-color focusBorderColor
-  overflow-y auto
-  noSelect()
-  &>div
-    .ArticleList-item
-      border solid 2px transparent
-      position relative
-      min-height 110px
-      width 100%
-      cursor pointer
-      transition 0.1s
-      background-color white
-      padding 0 10px
-      font-size 12px
-      .ArticleList-item-top
-        clearfix()
-        padding-top 2px
-        line-height 18px
-        height 20px
-        color articleItemColor
-        font-size 11px
-        i
-          margin-right 4px
-        .folderName
-          overflow ellipsis
-          display inline-block
-          width 120px
-        .updatedAt
-          float right
-          line-height 18px
-          .unsaved-mark
-            color brandColor
-      .ArticleList-item-middle
-        font-size 16px
-        position relative
-        padding-top 6px
-        height 22px
-        .mode
-          position absolute
-          left 0
-          font-size 12px
-          line-height 16px
-        .title
-          position absolute
-          left 19px
-          right 0
-          overflow ellipsis
-          small
-            color #AAA
-      .ArticleList-item-middle2
-        padding-top 8px
-        pre
-          color lighten(inactiveTextColor, 10%)
-          white-space pre-wrap
-          overflow hidden
-          height 33px
-          line-height 14px
-          font-size 10px
-          code
-            font-family Monaco, Menlo, 'Ubuntu Mono', Consolas, source-code-pro, monospace
-      .ArticleList-item-bottom
-        padding-bottom 5px
-        .tags
-          color articleItemColor
-          line-height 18px
-          word-wrap break-word
-          clearfix()
-          i.fa-tags
-            display inline
-            float left
-            padding 2px 2px 0 0
-            height 14px
-            line-height 13px
-          a
-            background-color brandColor
-            float left
-            color white
-            border-radius 2px
-            padding 1px 5px
-            margin 2px
-            height 14px
-            line-height 13px
-            font-size 10px
-            opacity 0.8
-            &:hover
-              opacity 1
-      &:hover, &.hover
-        background-color articleItemHoverBgColor
-        &:active, &.active
-          background-color white
-      &:active, &.active
-        border-color brandBorderColor
-    .divider
-      border-bottom solid 1px borderColor
diff --git a/browser/styles/main/ArticleNavigator.styl b/browser/styles/main/ArticleNavigator.styl
deleted file mode 100644
index 90835f51..00000000
--- a/browser/styles/main/ArticleNavigator.styl
+++ /dev/null
@@ -1,213 +0,0 @@
-articleNavBgColor = #353535
-articleCount = #999
-
-.ArticleNavigator
-  background-color articleNavBgColor
-  absolute top bottom left
-  width 200px
-  border-right 1px solid borderColor
-  color white
-  user-select none
-  .userInfo
-    height 60px
-    display block
-    box-sizing content-box
-    border-bottom 1px solid borderColor
-    .userProfileName
-      color brandColor
-      font-size 28px
-      padding 6px 37px 0 10px
-      white-space nowrap
-      text-overflow ellipsis
-      overflow hidden
-    .userName
-      color white
-      padding-left 20px
-      margin-top 3px
-    .tutorial
-      position fixed
-      z-index 35
-      top 0
-      left 0
-      pointer-event none
-      font-style italic
-      transition 0.1s
-      &.hide
-        opacity 0
-    .settingBtn
-      width 22px
-      height 22px
-      line-height 22px
-      border-radius 11px
-      position absolute
-      top 19px
-      right 14px
-      color white
-      padding 0
-      background-color transparent
-      border 1px solid white
-      z-index 31
-      .tooltip
-        tooltip()
-        margin-top -5px
-        margin-left 10px
-      &:hover
-        .tooltip
-          opacity 1
-      &:active
-        background-color brandColor
-        border-color brandColor
-  .ArticleNavigator-unsaved
-    position absolute
-    top 100px
-    width 100%
-    height 225px
-    transition opacity 0.2s ease-in-out
-    &.hide
-      opacity 0.2
-    .ArticleNavigator-unsaved-header
-      border-bottom 1px solid alpha(borderColor, 0.5)
-      padding-bottom 5px
-      clearfix()
-      position relative
-      padding-left 10px
-      font-size 18px
-      line-height 22px
-    .ArticleNavigator-unsaved-list
-      height 165px
-      padding 5px 0
-      overflow-y scroll
-      .ArticleNavigator-unsaved-list-item
-        height 33px
-        padding-left 15px
-        clearfix()
-        transition 0.1s
-        cursor pointer
-        overflow hidden
-        &:hover
-          background-color alpha(white, 0.05)
-        &.active, &:active
-          background-color alpha(lighten(brandColor, 25%), 70%)
-        .ArticleNavigator-unsaved-list-item-label
-          float left
-          width 151px
-          line-height 33px
-          overflow ellipsis
-        .ArticleNavigator-unsaved-list-item-label-untitled
-          color inactiveTextColor
-        .ArticleNavigator-unsaved-list-item-discard-button
-          float right
-          width 33px
-          line-height 30px
-          height 33px
-          border none
-          background-color transparent
-          color white
-          font-size 18px
-          opacity 0.5
-          &:hover
-            opacity 1
-      .ArticleNavigator-unsaved-list-empty
-        height 33px
-        padding-left 15px
-        color alpha(white, 0.4)
-        transition 0.1s
-        line-height 33px
-        &:hover
-          color alpha(white, 0.6)
-    .ArticleNavigator-unsaved-control
-      absolute bottom
-      height 33px
-      border-top 1px solid alpha(borderColor, 0.5)
-      width 100%
-      .ArticleNavigator-unsaved-control-save-all-button
-        border none
-        background-color transparent
-        font-size 14px
-        color brandColor
-        padding-left 15px
-        width 100%
-        height 33px
-        text-align left
-        &:hover
-          color lighten(brandColor, 15%)
-          background-color alpha(white, 0.05)
-        &:active
-          color white
-        &:disabled
-          color alpha(brandColor, 0.5)
-          &:hover
-            color alpha(lighten(brandColor, 25%), 0.5)
-            background-color transparent
-
-
-  .ArticleNavigator-folders
-    absolute bottom
-    top 365px
-    width 100%
-    transition top 0.15s ease-in-out
-    background-color articleNavBgColor
-    .tutorial
-      position fixed
-      z-index 35
-      font-style italic
-    &.expand
-      top 100px
-    .ArticleNavigator-folders-header
-      border-bottom 1px solid alpha(borderColor, 0.5)
-      padding-bottom 5px
-      clearfix()
-      position relative
-      z-index 30
-      .title
-        float left
-        padding-left 10px
-        font-size 18px
-        line-height 22px
-      .addBtn
-        float right
-        margin-right 15px
-        width 22px
-        height 22px
-        font-size 10px
-        padding 0
-        line-height 22px
-        border 1px solid white
-        border-radius 11px
-        background-color transparent
-        color white
-        padding 0
-        font-weight bold
-        .tooltip
-          tooltip()
-          margin-top -6px
-          margin-left 11px
-        &:hover
-          .tooltip
-            opacity 1
-        &:active
-          background-color brandColor
-          border-color brandColor
-    .folderList
-      absolute bottom
-      top 33px
-      overflow-y auto
-    .folderList button
-      height 33px
-      width 199px
-      border none
-      text-align left
-      font-size 14px
-      background-color transparent
-      color white
-      padding-left 15px
-      overflow ellipsis
-      &:hover
-        background-color alpha(white, 0.05)
-      &.active, &:active
-        background-color alpha(lighten(brandColor, 25%), 70%)
-        .articleCount
-          color white
-      .articleCount
-        color articleCount
-        font-size 12px
diff --git a/browser/styles/main/ArticleTopBar.styl b/browser/styles/main/ArticleTopBar.styl
deleted file mode 100644
index 37857c84..00000000
--- a/browser/styles/main/ArticleTopBar.styl
+++ /dev/null
@@ -1,224 +0,0 @@
-bgColor = #E6E6E6
-inputBgColor = white
-
-topBarBtnColor = #B3B3B3
-topBarBtnBgColor = #B3B3B3
-topBarBtnBgActiveColor = #3A3A3A
-
-infoBtnColor = bgColor
-infoBtnBgColor = #B3B3B3
-infoBtnActiveBgColor = #3A3A3A
-
-.ArticleTopBar
-  absolute top right
-  left 200px
-  height 60px
-  background-color bgColor
-  user-select none
-  &>.tutorial
-    .clickJammer
-      fixed top left bottom right
-      z-index 40
-      background transparent
-    .global
-      fixed bottom right
-      height 100px
-      z-index 35
-      font-style italic
-    .finder
-      fixed bottom right
-      height 250px
-      left 50%
-      margin-left -250px
-      z-index 35
-      font-style italic
-    .back
-      fixed top left bottom right
-      z-index 20
-      background-color transparentify(black, 80%)
-  &>.ArticleTopBar-left
-    float left
-    &>.tutorial
-      fixed top
-      left 100px
-      top 30px
-      z-index 36
-      font-style italic
-    &>.ArticleTopBar-left-search
-      position relative
-      float left
-      height 33px
-      margin-top 13.5px
-      margin-left 15px
-      width 350px
-      padding 5px 15px
-      transition 0.1s
-      font-size 16px
-      border 1px solid transparent
-      z-index 30
-      .tooltip
-        tooltip()
-        margin-left -24px
-        margin-top 35px
-        opacity 1
-        &.hide
-          opacity 0
-        ul
-          li
-            line-height 18px
-          li:last-child
-            line-height 10px
-            margin-bottom 3px
-        small
-          font-size 10px
-          position relative
-          top -2px
-          margin-left 15px
-      input
-        absolute top left
-        width 350px
-        border-radius 16.5px
-        background-color inputBgColor
-        border 1px solid transparent
-        padding-left 35px
-        outline none
-        font-size 14px
-        height 33px
-        line-height 33px
-        z-index 0
-        &:focus
-          border-color focusBorderColor
-      i.fa.fa-search
-        position absolute
-        display block
-        top 0
-        left 10px
-        line-height 33px
-        z-index 1
-        pointer-events none
-      .ArticleTopBar-left-search-clear-button
-        position absolute
-        top 6px
-        right 10px
-        width 20px
-        height 20px
-        border-radius 10px
-        border none
-        background-color transparent
-        color topBarBtnColor
-        transition 0.1s
-        line-height 20px
-        text-align center
-        padding 0
-        &:focus
-          color textColor
-        &:hover
-          color white
-          background-color topBarBtnBgColor
-        &:active
-          color white
-          background-color darken(topBarBtnBgColor, 35%)
-    .ArticleTopBar-left-control
-      line-height 33px
-      float left
-      height 33px
-      margin-top 13.5px
-      margin-left 20px
-      .tutorial
-        fixed top
-        left 200px
-        z-index 36
-        font-style italic
-      button.ArticleTopBar-left-control-new-post-button
-        position fixed
-        background bgColor
-        font-size 20px
-        border none
-        outline none
-        color inactiveTextColor
-        width 33px
-        height 33px
-        border-radius 16.5px
-        transition 0.1s
-        border 1px solid transparent
-        z-index 30
-        &:hover
-          color textColor
-        &:active
-          color textColor
-          background-color lighten(topBarBtnBgColor, 15%)
-        &:disabled
-          color inactiveTextColor
-          background transparent
-        &:focus
-          color textColor
-        .tooltip
-          tooltip()
-          margin-left -80px
-          margin-top 40px
-        &:hover
-          .tooltip
-            opacity 1
-  &>.ArticleTopBar-right
-    float right
-    &>button
-      display block
-      position absolute
-      right 74px
-      top 20px
-      width 20px
-      height 20px
-      font-size 14px
-      line-height 14px
-      background-color infoBtnBgColor
-      color bgColor
-      border-radius 11px
-      border 1px solid bgColor
-      transition 0.1s
-      &:focus
-        background-color lighten(infoBtnActiveBgColor, 15%)
-      .tooltip
-        tooltip()
-        margin-left -50px
-        margin-top 20px
-      &:hover
-        background-color infoBtnActiveBgColor
-        .tooltip
-          opacity 1
-
-    &>.ArticleTopBar-right-links-button
-      display block
-      position absolute
-      top 8px
-      right 15px
-      opacity 0.7
-      border-radius 23px
-      height 46px
-      width 46px
-      border 1px solid transparent
-      &:focus
-        border-color focusBorderColor
-      &:hover
-        opacity 1
-        .tooltip
-          opacity 1
-    &>.ArticleTopBar-right-links-button-dropdown
-      position fixed
-      z-index 50
-      right 10px
-      top 40px
-      background-color transparentify(invBackgroundColor, 80%)
-      padding 5px 0
-      .ArticleTopBar-right-links-button-dropdown-item
-        padding 0 10px
-        height 33px
-        width 100%
-        display block
-        line-height 33px
-        text-decoration none
-        color white
-        &:hover
-          background-color transparentify(lighten(invBackgroundColor, 30%), 80%)
-
-
-
diff --git a/browser/styles/main/UserNavigator.styl b/browser/styles/main/UserNavigator.styl
deleted file mode 100644
index 9c3d9442..00000000
--- a/browser/styles/main/UserNavigator.styl
+++ /dev/null
@@ -1,86 +0,0 @@
-userNavigatorBgColor = #1B1C1C
-userNavigatorColor = #DDD
-userAnchorColor = #979797
-userAnchorBgColor = #BEBEBE
-userAnchorActiveColor = textColor
-userAnchorActiveBgColor = white
-
-.UserNavigator
-  noSelect()
-  background-color userNavigatorBgColor
-  absolute left top bottom
-  width 60px
-  text-align center
-  box-sizing border-box
-  ul.userList
-    position absolute
-    top 25px
-    left 0
-    right 0
-    bottom 70px
-    // overflow-y auto
-    &>li
-      a
-        display block
-        width 38px
-        height 64px
-        margin 0 auto 10px
-        text-align center
-        text-decoration none
-        color userAnchorColor
-        line-height 44px
-        font-size 1.1em
-        cursor pointer
-        transition 0.1s
-
-        img.ProfileImage
-          width 38px
-          height 38px
-          border-radius 22px
-          opacity 0.7
-        &:hover
-          img.ProfileImage
-            opacity 1
-          .userTooltip
-            opacity 1
-        &.active
-          img.ProfileImage
-            opacity 1
-        .userTooltip
-          tooltip()
-          position absolute
-          margin-top -52px
-          margin-left 44px
-        .keyLabel
-          margin-top -25px
-          font-size 0.8em
-          color userNavigatorColor
-  button.createTeamBtn
-    display block
-    margin 0 auto
-    width 30px
-    height 30px
-    border-radius 15px
-    border 2px solid darken(white, 5%)
-    color darken(white, 5%)
-    text-align center
-    background-image none
-    background-color transparent
-    box-sizing border-box
-    absolute left right
-    bottom 15px
-    font-size 22px
-    line-height 22px
-    transition 0.1s
-    .tooltip
-      tooltip()
-      margin-top -26px
-      margin-left 30px
-    &:hover, &.hover, &:focus, &.focus
-      color white
-      border-color white
-      .tooltip
-        opacity 1
-    &:active
-      background-color brandColor
-      border-color brandColor
diff --git a/browser/styles/main/index.styl b/browser/styles/main/index.styl
index 1f737a84..a27b98ac 100644
--- a/browser/styles/main/index.styl
+++ b/browser/styles/main/index.styl
@@ -1,13 +1,6 @@
-@import '../../../node_modules/nib/lib/nib'
 @import '../vars'
 @import '../mixins/*'
 global-reset()
-@import '../shared/*'
-@import './ArticleNavigator'
-@import './ArticleTopBar'
-@import './ArticleList'
-@import './ArticleDetail'
-@import './modal/*'
 @import '../theme/*'
 
 DEFAULT_FONTS = 'Lato', helvetica, arial, sans-serif
@@ -96,63 +89,25 @@ textarea.block-input
 #content
   fullsize()
 
-.Main
-  .appUpdateButton
-    position fixed
-    z-index 2000
-    bottom 5px
-    right 53px
-    padding 10px 15px
-    border none
-    border-radius 5px
-    background-color brandColor
-    color white
-    opacity 0.7
-    &:hover
-      opacity 1
-      background-color lighten(brandColor, 10%)
-  .contactButton
-    position fixed
-    z-index 2000
-    bottom 5px
-    right 5px
-    padding 10px 15px
-    border none
-    border-radius 5px
-    background-color brandColor
-    color white
-    opacity 0.7
-    &:hover
-      opacity 1
-      background-color lighten(brandColor, 10%)
-    .tooltip
-      tooltip()
-      margin-top -22px
-      margin-left -107px
-    &:hover .tooltip
-      opacity 1
+modalZIndex= 1000
+modalBackColor = transparentify(black, 65%)
 
-.OSSAnnounceModal
-  height 250
-  text-align center
-  .OSSAnnounceModal-title
-    font-size 32px
-    padding 45px 0
-
-  .OSSAnnounceModal-link
-    display block
-    font-size 20px
-    margin 25px 0 65px
-  .OSSAnnounceModal-closeBtn
-    display block
-    margin 0 auto
-    border none
+.ModalBase
+  fixed top left bottom right
+  z-index modalZIndex
+  &.hide
+    display none
+  .modalBack
+    absolute top left bottom right
+    background-color modalBackColor
+    z-index modalZIndex + 1
+  .modal
+    position relative
+    width 650px
+    margin 50px auto 0
+    z-index modalZIndex + 2
+    background-color white
+    padding 15px
+    color #666666
     border-radius 5px
-    width 150px
-    height 33px
-    background-color brandColor
-    color white
-    opacity 0.7
-    &:hover
-      opacity 1
-      background-color lighten(brandColor, 10%)
+
diff --git a/browser/styles/main/modal/CreateNewFolder.styl b/browser/styles/main/modal/CreateNewFolder.styl
deleted file mode 100644
index 1d7870d2..00000000
--- a/browser/styles/main/modal/CreateNewFolder.styl
+++ /dev/null
@@ -1,91 +0,0 @@
-tabNavColor = #999999
-iptFocusBorderColor = #369DCD
-
-.CreateNewFolder.modal
-  width 600px
-  height 450px
-  .closeBtn
-    position absolute
-    top 15px
-    right 15px
-    width 33px
-    height 33px
-    font-size 18px
-    line-height 33px
-    padding 0
-    text-align center
-    background-color transparent
-    border none
-    color stripBtnColor
-    &:hover
-      color stripHoverBtnColor
-  .title
-    font-size 32px
-    text-align center
-    font-weight bold
-    margin-top 25px
-  .ipt
-    display block
-    width 330px
-    font-size 14px
-    height 44px
-    line-height 44px
-    padding 0 15px
-    border-radius 5px
-    border solid 1px borderColor
-    outline none
-    margin 75px auto 20px
-    &:focus
-      border-color iptFocusBorderColor
-  .colorSelect
-    text-align center
-    .option
-      cursor pointer
-      font-size 22px
-      height 48px
-      width 48px
-      margin 0 2px
-      border 1px solid transparent
-      border-radius 5px
-      overflow hidden
-      line-height 45px
-      text-align center
-      transition 0.1s
-      display inline-block
-      &:hover
-        border-color borderColor
-        font-size 28px
-      &.active
-        font-size 28px
-        border-color iptFocusBorderColor
-  .alert
-    color infoTextColor
-    background-color infoBackgroundColor
-    font-size 14px
-    padding 15px 15px
-    width 330px
-    border-radius 5px
-    margin 15px auto 0
-    &.error
-      color errorTextColor
-      background-color errorBackgroundColor
-  .confirmBtn
-    display block
-    position absolute
-    left 205px
-    bottom 44px
-    width 240px
-    font-size 24px
-    height 44px
-    line-height 24px
-    font-weight bold
-    background-color brandColor
-    color white
-    border none
-    border-radius 5px
-    margin 0 auto
-    transition 0.1s
-    &:hover
-      transform scale(1.1)
-    &:disabled
-      opacity 0.7
diff --git a/browser/styles/main/modal/CreateNewTeam.styl b/browser/styles/main/modal/CreateNewTeam.styl
deleted file mode 100644
index 20dc353e..00000000
--- a/browser/styles/main/modal/CreateNewTeam.styl
+++ /dev/null
@@ -1,199 +0,0 @@
-tabNavColor = #999999
-iptFocusBorderColor = #369DCD
-stripHoverBtnColor = #333
-stripBtnColor = lighten(stripHoverBtnColor, 35%)
-
-.CreateNewTeam.modal
-  width 600px
-  height 450px
-  .closeBtn
-    position absolute
-    top 15px
-    right 15px
-    width 33px
-    height 33px
-    font-size 18px
-    line-height 33px
-    padding 0
-    text-align center
-    background-color transparent
-    border none
-    color stripBtnColor
-    &:hover
-      color stripHoverBtnColor
-  .title
-    font-size 32px
-    text-align center
-    font-weight bold
-    margin-top 25px
-  .ipt
-    display block
-    width 330px
-    font-size 14px
-    height 44px
-    line-height 44px
-    padding 0 15px
-    border-radius 5px
-    border solid 1px borderColor
-    outline none
-    &:focus
-      border-color iptFocusBorderColor
-  .alert
-    padding 0 15px
-    height 44px
-    line-height 44px
-    width 300px
-    margin 0 auto
-    border-radius 5px
-    color infoTextColor
-    background-color infoBackgroundColor
-    white-space nowrap
-    overflow-x auto
-    &.error
-      color errorTextColor
-      background-color errorBackgroundColor
-  .confirmBtn
-    display block
-    position absolute
-    left 180px
-    bottom 44px
-    width 240px
-    font-size 24px
-    height 44px
-    line-height 24px
-    font-weight bold
-    background-color brandColor
-    color white
-    border none
-    border-radius 5px
-    margin 0 auto
-    transition 0.1s
-    &:hover
-      transform scale(1.1)
-    &:disabled
-      opacity 0.7
-  .tabNav
-    absolute left right
-    bottom 15px
-    height 33px
-    line-height 33px
-    width 150px
-    text-align center
-    font-size 12px
-    color tabNavColor
-    margin 0 auto
-    transition 0.1s
-    i.active
-      color brandColor
-  .createTab
-    .ipt
-      margin 105px auto 15px
-  .selectTab
-    .memberForm
-      display block
-      margin 25px auto 15px
-      width 330px
-      clearfix()
-      padding 0
-      font-size 14px
-      height 44px
-      line-height 44px
-      outline none
-      .Select.memberName
-        display block
-        margin 0
-        float left
-        width 280px
-        height 44px
-        font-size 14px
-        border none
-        line-height 44px
-        background-color transparent
-        outline none
-        &.is-focus
-          .Select-control
-            border-color iptFocusBorderColor
-        .Select-control
-          height 44px
-          line-height 44px
-          padding 0 0 0 15px
-          border-radius 5px 0 0 5px
-          border 1px solid borderColor
-          border-right none
-          .Select-placeholder
-            padding 0 0 0 15px
-          .Seleect-arrow
-            top 21px
-          .Select-clear
-            padding 0 10px
-        .Select-noresults, .Select-option
-          line-height 44px
-          padding 0 0 0 15px
-
-        &:focus, &.focus
-          border-color iptFocusBorderColor
-      button
-        font-weight 400
-        height 44px
-        cursor pointer
-        margin 0
-        padding 0
-        width 50px
-        float right
-        border none
-        background-color brandColor
-        border-top-right-radius 5px
-        border-bottom-right-radius 5px
-        color white
-        font-size 14px
-    .memberList
-      width 480px
-      margin 0 auto
-      height 190px
-      overflow scroll
-      border-bottom 1px solid borderColor
-      &>li
-        border-bottom 1px solid borderColor
-        height 44px
-        padding 0 25px
-        clearfix()
-        &:nth-last-child(1)
-          border-bottom-color transparent
-        .userPhoto
-          width 30px
-          height 30px
-          float left
-          margin-top 7px
-          margin-right 15px
-          border-radius 15px
-        .userInfo
-          float left
-          margin-top 7px
-          .userName
-            font-size 16px
-            margin-bottom 2px
-          .userEmail
-            font-size 12px
-        .userControl
-          float right
-          .userRole
-            float left
-            height 30px
-            background-color transparent
-            border 1px solid transparent
-            margin-top 7px
-            margin-right 35px
-            outline none
-            cursor pointer
-            &:hover
-              border-color borderColor
-            &:focus
-              border-color iptFocusBorderColor
-          button
-            border none
-            height 30px
-            margin-top 7px
-            background-color transparent
-            color stripBtnColor
-            &:hover
-              color stripHoverBtnColor
diff --git a/browser/styles/main/modal/DeleteArticleModal.styl b/browser/styles/main/modal/DeleteArticleModal.styl
deleted file mode 100644
index 741224a8..00000000
--- a/browser/styles/main/modal/DeleteArticleModal.styl
+++ /dev/null
@@ -1,33 +0,0 @@
-.DeleteArticleModal.modal
-  width 350px !important
-  top 100px
-  user-select none
-  .title
-    font-size 24px
-    margin-bottom 15px
-  .message
-    font-size 14px
-    margin-bottom 15px
-  .control
-    text-align right
-    button
-      border-radius 5px
-      height 33px
-      padding 0 15px
-      font-size 14px
-      background-color white
-      border 1px solid borderColor
-      border-radius 5px
-      margin-left 5px
-      &:hover
-        background-color darken(white, 10%)
-      &:focus
-        border-color focusBorderColor
-      &.danger
-        border-color #E9432A
-        background-color #E9432A
-        color white
-        &:hover
-          background-color lighten(#E9432A, 15%)
-        &:focus
-          background-color lighten(#E9432A, 15%)
diff --git a/browser/styles/main/modal/Preferences.styl b/browser/styles/main/modal/Preferences.styl
deleted file mode 100644
index 0bb32d97..00000000
--- a/browser/styles/main/modal/Preferences.styl
+++ /dev/null
@@ -1,628 +0,0 @@
-menuColor = #808080
-menuBgColor = #E6E6E6
-closeBtnBgColor = #1790C6
-iptFocusBorderColor = #369DCD
-
-.Preferences.modal
-  padding 0
-  border-radius 5px
-  overflow hidden
-  width 720px
-  height 600px
-  &>.header
-    absolute top left right
-    height 50px
-    border-bottom 1px solid borderColor
-    background-color menuBgColor
-    &>.title
-      font-size 22px
-      font-weight bold
-      float left
-      padding-left 30px
-      line-height 50px
-    &>.closeBtn
-      float right
-      font-size 14px
-      background-color closeBtnBgColor
-      color white
-      padding 0 15px
-      height 33px
-      margin-top 9px
-      margin-right 15px
-      border none
-      border-radius 5px
-      &:hover
-        background-color lighten(closeBtnBgColor, 10%)
-  &>.nav
-    absolute left bottom
-    top 50px
-    width 180px
-    background-color menuBgColor
-    border-right 1px solid borderColor
-    &>button
-      width 100%
-      height 44px
-      font-size 18px
-      color menuColor
-      border none
-      background-color transparent
-      transition 0.1s
-      text-align left
-      padding-left 15px
-      &:hover
-        background-color darken(menuBgColor, 10%)
-      &.active, &:active
-        background-color brandColor
-        color white
-  &>.content
-    absolute right bottom
-    top 50px
-    left 180px
-    overflow-y auto
-    &>.section
-      padding 10px 20px
-      border-bottom 1px solid borderColor
-      overflow-y auto
-      &:nth-last-child(1)
-        border-bottom none
-      &>.sectionTitle
-        font-size 18px
-        margin 10px 0 5px
-        color brandColor
-      &>.sectionCheck
-        margin-bottom 5px
-        height 33px
-        label
-          width 150px
-          padding-left 15px
-          line-height 33px
-          .sectionCheck-warn
-            font-size 12px
-            margin-left 10px
-            border-left 2px solid brandColor
-            padding-left 5px
-      &>.sectionInput
-        margin-bottom 5px
-        clearfix()
-        height 33px
-        label
-          width 150px
-          padding-left 15px
-          float left
-          line-height 33px
-        input
-          width 250px
-          float left
-          height 33px
-          border-radius 5px
-          border 1px solid borderColor
-          padding 0 10px
-          font-size 14px
-          outline none
-          &:focus
-            border-color iptFocusBorderColor
-      &>.sectionSelect
-        margin-bottom 5px
-        clearfix()
-        height 33px
-        label
-          width 150px
-          padding-left 15px
-          float left
-          line-height 33px
-        select
-          float left
-          width 200px
-          height 25px
-          margin-top 4px
-          border-radius 5px
-          border 1px solid borderColor
-          padding 0 10px
-          font-size 14px
-          outline none
-          &:focus
-            border-color iptFocusBorderColor
-      &>.sectionMultiSelect
-        margin-bottom 5px
-        clearfix()
-        height 33px
-        label
-          width 150px
-          padding-left 15px
-          float left
-          line-height 33px
-        .sectionMultiSelect-input
-          float left
-          select
-            width 80px
-            height 25px
-            margin-top 4px
-            border-radius 5px
-            border 1px solid borderColor
-            padding 0 10px
-            font-size 14px
-            outline none
-            margin-left 5px
-            margin-right 15px
-            &:focus
-              border-color iptFocusBorderColor
-      &>.sectionConfirm
-        clearfix()
-        padding 5px 15px
-        button
-          float right
-          background-color brandColor
-          color white
-          border none
-          border-radius 5px
-          height 33px
-          padding 0 15px
-          font-size 14px
-          &:hover
-            background-color lighten(brandColor, 10%)
-        .alert
-          float right
-          width 250px
-          padding 10px 15px
-          margin 0 10px 0
-    .alert
-      color infoTextColor
-      background-color infoBackgroundColor
-      font-size 14px
-      padding 15px 15px
-      width 330px
-      border-radius 5px
-      margin 10px auto
-      &.error
-        color errorTextColor
-        background-color errorBackgroundColor
-    &.ContactTab
-      padding 10px
-      .title
-        font-size 18px
-        color brandColor
-        margin-top 10px
-        margin-bottom 10px
-      p
-        line-height 2
-    &.AppSettingTab
-      .description
-        marked()
-    &.TeamSettingTab
-      .header
-        border-bottom 1px solid borderColor
-        padding 10px
-        font-size 18px
-        color brandColor
-        line-height 33px
-        .teamSelect
-          border 1px solid borderColor
-          height 33px
-          width 200px
-          margin 0 10px
-          outline none
-          font-size 14px
-          &:focus
-            border-color iptFocusBorderColor
-      .teamDeleteConfirm
-
-        label
-          line-height 33px
-          font-size 14px
-      .teamDelete
-        label
-          line-height 33px
-          font-size 18px
-          color brandColor
-      .teamDelete, .teamDeleteConfirm
-        padding 15px 20px 15px 15px
-        button
-          background-color white
-          height 33px
-          font-size 14px
-          padding 0 15px
-          border 1px solid borderColor
-          float right
-          margin 0 5px
-          border-radius 5px
-          &:hover
-            background-color darken(white, 10%)
-        button.deleteBtn
-          background-color brandColor
-          border none
-          color white
-          &:hover
-            background-color lighten(brandColor, 10%)
-    &.MemberSettingTab
-      &>.header
-        border-bottom 1px solid borderColor
-        padding 10px
-        font-size 18px
-        color brandColor
-        line-height 33px
-        .teamSelect
-          border 1px solid borderColor
-          height 33px
-          width 200px
-          margin 0 10px
-          outline none
-          font-size 14px
-          &:focus
-            border-color iptFocusBorderColor
-      .membersTableSection
-        .addMember
-          clearfix()
-          padding 10px
-          .addMemberLabel
-            font-size 14px
-            line-height 33px
-            float left
-          .addMemberControl
-            width 330px
-            float left
-            margin-left 25px
-            .Select
-              display block
-              margin 0
-              float left
-              width 280px
-              height 33px
-              font-size 14px
-              border none
-              line-height 33px
-              background-color transparent
-              outline none
-              &.is-focus
-                .Select-control
-                  border-color iptFocusBorderColor
-              .Select-control
-                height 33px
-                line-height 33px
-                padding 0 0 0 15px
-                border-radius 5px 0 0 5px
-                border 1px solid borderColor
-                border-right none
-                .Select-placeholder
-                  padding 0 0 0 15px
-                .Seleect-arrow
-                  top 21px
-                .Select-clear
-                  padding 0 10px
-              .Select-noresults, .Select-option
-                line-height 33px
-                padding 0 0 0 15px
-            button
-              font-weight 400
-              height 33px
-              cursor pointer
-              margin 0
-              padding 0
-              width 50px
-              float right
-              border none
-              background-color brandColor
-              border-top-right-radius 5px
-              border-bottom-right-radius 5px
-              color white
-              font-size 14px
-        .memberList
-          &>.header
-            clearfix()
-            &>.userName
-              float left
-            &>.role
-              float left
-            &>.control
-              float right
-          &>li
-            &.edit
-              .colDescription
-                font-size 14px
-                line-height 33px
-                padding-left 15px
-                float left
-                strong
-                  font-size 16px
-                  color brandColor
-              .colDeleteConfirm
-                float right
-                margin-right 15px
-                button
-                  border none
-                  height 30px
-                  width 60px
-                  margin-top 1.5px
-                  font-size 14px
-                  background-color transparent
-                  color stripBtnColor
-                  &:hover
-                    color stripHoverBtnColor
-                  &:disabled
-                    color lighten(stripBtnColor, 10%)
-                    cursor not-allowed
-                  &.primary
-                   color brandColor
-                   &:hover
-                    color lighten(brandColor, 10%)
-
-            border-bottom 1px solid borderColor
-            height 44px
-            padding 0 25px
-            width 420px
-            margin 0 auto
-            clearfix()
-            &:nth-last-child(1)
-              border-bottom-color transparent
-            .colUserName
-              float left
-              width 250px
-              clearfix()
-              .userPhoto
-                width 30px
-                height 30px
-                float left
-                margin-top 7px
-                margin-right 15px
-                border-radius 15px
-              .userInfo
-                float left
-                margin-top 7px
-                width 205px
-                .userName
-                  font-size 16px
-                  margin-bottom 2px
-                  overflow ellipsis
-                .userEmail
-                  font-size 12px
-                  overflow ellipsis
-            .colRole
-              float left
-              width 75px
-              .userRole
-                height 30px
-                background-color transparent
-                border 1px solid transparent
-                margin-top 7px
-                margin-right 35px
-                outline none
-                cursor pointer
-                &:hover
-                  border-color borderColor
-                &:focus
-                  border-color iptFocusBorderColor
-                &:disabled
-                  border-color transparent
-                  cursor not-allowed
-            .colDelete
-              width 45px
-              float right
-              text-align center
-              button.deleteButton
-                border none
-                height 30px
-                width 30px
-                margin-top 7px
-                background-color transparent
-                color stripBtnColor
-                &:hover
-                  color stripHoverBtnColor
-                &:disabled
-                  color lighten(stripBtnColor, 10%)
-                  cursor not-allowed
-            &.header
-              .colRole, .colDelete
-                text-align center
-              .colUserName, .colRole, .colDelete
-                line-height 44px
-    &.FolderSettingTab
-      &>.header
-        border-bottom 1px solid borderColor
-        padding 10px
-        font-size 18px
-        color brandColor
-        line-height 33px
-        .teamSelect
-          border 1px solid borderColor
-          height 33px
-          width 200px
-          margin 0 10px
-          outline none
-          font-size 14px
-          &:focus
-            border-color iptFocusBorderColor
-      .section
-        .folderTable
-          width 420px
-          margin 15px auto
-          &>div
-            border-bottom 1px solid borderColor
-            clearfix()
-            height 43px
-            line-height 33px
-            padding 5px 0
-            &:last-child
-              border-color transparent
-            .folderColor
-              float left
-              margin-left 10px
-              text-align center
-              width 44px
-            .folderName
-              float left
-              width 175px
-              overflow ellipsis
-            .folderControl
-              float right
-              width 125px
-              text-align center
-            &.folderHeader
-              .folderName
-                padding-left 25px
-            &.newFolder
-              .alert
-                display block
-                color infoTextColor
-                background-color infoBackgroundColor
-                font-size 14px
-                padding 15px 15px
-                width 330px
-                border-radius 5px
-                margin 0 auto
-                &.error
-                  color errorTextColor
-                  background-color errorBackgroundColor
-              .folderName input
-                height 33px
-                border 1px solid transparent
-                border-radius 5px
-                padding 0 10px
-                font-size 14px
-                outline none
-                width 150px
-                overflow ellipsis
-                &:hover
-                  border-color borderColor
-                &:focus
-                  border-color iptFocusBorderColor
-              .folderPublic select
-                height 33px
-                border 1px solid transparent
-                background-color white
-                outline none
-                display block
-                margin 0 auto
-                font-size 14px
-                &:hover
-                  border-color borderColor
-                &:focus
-                  border-color iptFocusBorderColor
-              .folderControl
-                button
-                  border none
-                  height 30px
-                  margin-top 1.5px
-                  font-size 14px
-                  background-color transparent
-                  color brandColor
-                  &:hover
-                    color lighten(brandColor, 10%)
-            &.FolderRow
-              .sortBtns
-                float left
-                display block
-                height 30px
-                width 30px
-                margin-top 1.5px
-                position absolute
-                button
-                  absolute left
-                  background-color transparent
-                  border none
-                  height 15px
-                  padding 0
-                  margin 0
-                  color stripBtnColor
-                  &:first-child
-                    top 0
-                  &:last-child
-                    top 15px
-                  &:hover
-                    color stripHoverBtnColor
-                  &:disabled
-                    color lighten(stripBtnColor, 10%)
-                    cursor not-allowed
-              .folderName input
-                height 33px
-                border 1px solid borderColor
-                border-radius 5px
-                padding 0 10px
-                font-size 14px
-                outline none
-                width 150px
-                &:focus
-                  border-color iptFocusBorderColor
-              .folderColor
-                .select
-                  height 33px
-                  width 33px
-                  border 1px solid borderColor
-                  background-color white
-                  outline none
-                  display block
-                  margin 0 auto
-                  font-size 14px
-                  border-radius 5px
-                  &:focus
-                    border-color iptFocusBorderColor
-                .options
-                  position absolute
-                  background-color white
-                  text-align left
-                  border 1px solid borderColor
-                  border-radius 5px
-                  padding 0 5px 5px
-                  margin-left 5px
-                  margin-top -34px
-                  clearfix()
-                  .label
-                    margin-left 5px
-                    line-height 22px
-                    font-size 12px
-                  button
-                    float left
-                    border none
-                    width 33px
-                    height 33px
-                    margin-right 5px
-                    border 1px solid transparent
-                    line-height 29px
-                    overflow hidden
-                    border-radius 5px
-                    background-color transparent
-                    outline none
-                    transition 0.1s
-                    &:hover
-                      border-color borderColor
-                    &.active
-                      border-color iptFocusBorderColor
-                      .FolderMark
-                        transform scale(1.4)
-              .folderControl
-                button
-                  border none
-                  height 30px
-                  width 30px
-                  margin-top 1.5px
-                  font-size 14px
-                  background-color transparent
-                  color stripBtnColor
-                  &:hover
-                    color stripHoverBtnColor
-                  &:disabled
-                    color lighten(stripBtnColor, 10%)
-                    cursor not-allowed
-              &.edit
-                .folderControl
-                  button
-                    width 60px
-                    &.primary
-                     color brandColor
-                     &:hover
-                      color lighten(brandColor, 10%)
-              &.delete
-                .folderDeleteLabel
-                  float left
-                  height 33px
-                  width 250px
-                  padding-left 15px
-                  overflow ellipsis
-                  strong
-                    font-size 16px
-                    color brandColor
-                .folderControl
-                  button
-                    width 60px
-                    &.primary
-                     color brandColor
-                     &:hover
-                      color lighten(brandColor, 10%)
diff --git a/browser/styles/main/modal/Tutorial.styl b/browser/styles/main/modal/Tutorial.styl
deleted file mode 100644
index f1c48671..00000000
--- a/browser/styles/main/modal/Tutorial.styl
+++ /dev/null
@@ -1,132 +0,0 @@
-
-slideBgColor0 = #2BAC8F
-slideBgColor1 = #F68F92
-slideBgColor2 = #D6AD56
-slideBgColor3 = #26969B
-slideBgColor4 = #00B493
-
-.Tutorial.modal
-  background-color slideBgColor0
-  color white !important
-  width 720px
-  height 480px
-  margin-top 75px
-  border-radius 5px
-  overflow hidden
-
-  .priorBtn, .nextBtn
-    font-size 72px
-    position absolute
-    background-color transparent
-    color transparentify(white, 50%)
-    transition 0.1s
-    border none
-    line-height 72px
-    padding 0
-    width 93px
-    height 72px
-    z-index 2
-    top 189px
-    &:hover
-      color white
-    &.hide
-      opacity 0
-  .priorBtn
-    left 15px
-  .nextBtn
-    right 15px
-  .title
-    text-align center
-    font-size 54px
-    margin 40px 0
-  .content
-    text-align center
-    font-size 22px
-    line-height 1.8
-  .dots
-    position absolute
-    left 0
-    right 0
-    bottom 25px
-    margin 0 auto
-    color gray
-    text-align center
-    z-index 2
-    &>i
-      transition 0.3s
-      &.active
-        color white
-  .slide
-    absolute top bottom left right
-    z-index 1
-  .slide0
-    background-color slideBgColor0
-    .content
-      margin-top 100px
-  .slide1
-    background-color slideBgColor1
-    .content
-      .markdown
-        background-color white
-        color textColor
-        width 480px
-        height 140px
-        margin 45px auto 0
-        clearfix()
-        text-align left
-        border-radius 5px
-        overflow hidden
-        .left
-          float left
-          width 240px
-          height 140px
-          box-sizing border-box
-          font-size 0.5em
-          padding 30px
-          border-right 1px solid borderColor
-        .right
-          width 240px
-          height 140px
-          float right
-          box-sizing border-box
-          padding: 28px 0 0 10px
-          font-size 0.45em
-          marked()
-          ul
-            padding-left 20px
-  .slide2
-    background-color slideBgColor2
-    .code
-      border-radius 5px
-      overflow hidden
-      text-align left
-      width 480px
-      heght 140px
-      margin 45px auto 0
-      font-size 14px
-      .ace_editor
-        height 140px
-  .slide3
-    background-color slideBgColor3
-    .title
-      margin-bottom 15px
-    .content
-      font-size 18px
-      &>img
-        margin-top 25px
-  .slide4
-    background-color slideBgColor4
-    .content
-      &>button
-        background-color white
-        color brandColor
-        font-size 60px
-        width 250px
-        height 250px
-        border-radius 125px
-        border none
-        transition 0.1s
-        &:hover
-          transform scale(1.2)
-
-
diff --git a/browser/styles/main/modal/modal.styl b/browser/styles/main/modal/modal.styl
deleted file mode 100644
index 005ac7b3..00000000
--- a/browser/styles/main/modal/modal.styl
+++ /dev/null
@@ -1,21 +0,0 @@
-modalZIndex= 1000
-modalBackColor = transparentify(black, 65%)
-
-.ModalBase
-  fixed top left bottom right
-  z-index modalZIndex
-  &.hide
-    display none
-  .modalBack
-    absolute top left bottom right
-    background-color modalBackColor
-    z-index modalZIndex + 1
-  .modal
-    position relative
-    width 650px
-    margin 50px auto 0
-    z-index modalZIndex + 2
-    background-color white
-    padding 15px
-    color #666666
-    border-radius 5px
diff --git a/browser/styles/shared/modal.styl b/browser/styles/shared/modal.styl
deleted file mode 100644
index 38377145..00000000
--- a/browser/styles/shared/modal.styl
+++ /dev/null
@@ -1,390 +0,0 @@
-// .ModalBase
-//   fixed top left bottom right
-//   z-index modalZIndex
-//   &.hide
-//     display none
-//   .modalBack
-//     absolute top left bottom right
-//     background-color modalBackColor
-//     z-index modalZIndex + 1
-//   .modal
-//     position relative
-//     width 650px
-//     margin 50px auto 0
-//     z-index modalZIndex + 2
-//     box-shadow popupShadow
-//     background-color white
-//     border-radius 10px
-//     padding 15px
-//     .modal-header
-//       border-bottom solid 1px borderColor
-//       margin-bottom 10px
-//       h1
-//         padding 10px 0 15px
-//         font-size 1.5em
-//     .modal-body
-//       p
-//         margin-bottom 10px
-//     .modal-footer
-//       clearfix()
-//       border-top solid 1px borderColor
-//       padding-top 10px
-//       .modal-control
-//         float right
-//
-//   .sideNavModal
-//     height 500px
-//     .leftPane
-//       absolute top bottom left
-//       width 175px
-//       padding 20px
-//       border-right solid 1px borderColor
-//       .modalLabel
-//         font-size 1.5em
-//         margin-top 25px
-//         margin-bottom 35px
-//         color brandColor
-//       .tabList button
-//         btnStripDefault()
-//         display block
-//         width 100%
-//         font-size 1.1em
-//         padding 10px 5px
-//         margin-bottom 15px
-//         text-align left
-//     .rightPane
-//       absolute top bottom right
-//       left 175px
-//       padding 15px
-//       overflow-y auto
-//     .tab
-//       padding-top 45px
-//       .formField
-//         position relative
-//         clearfix()
-//         margin-bottom 15px
-//         label
-//           width 30%
-//           display block
-//           line-height 33px
-//           float left
-//         input
-//           width 70%
-//           display block
-//           borderInput()
-//           height 33px
-//           font-size 1em
-//           border-radius 5px
-//           float left
-//       .formRadioField
-//         margin-bottom 15px
-//         input
-//           margin-left 25px
-//       .formConfirm
-//         position relative
-//         clearfix()
-//         margin-bottom 15px
-//         button
-//           float right
-//           btnDefault()
-//           padding 10px 15px
-//           border-radius 5px
-//           font-size 1em
-//           margin-left 5px
-//         .alertInfo, .alertSuccess, .alertError
-//           float right
-//           padding 12px 10px
-//           border-radius 5px
-//           width 320px
-//           font-size 1em
-//           overflow-x hidden
-//           white-space nowrap
-//           transition 0.1s
-//           &.hide
-//             width 0
-//             padding 12px 0
-//         .alertInfo
-//           alertInfo()
-//         .alertSuccess
-//           alertSuccess()
-//         .alertError
-//           alertError()
-//   .PreferencesModal
-//     .settingsTab
-//       .categoryLabel
-//         font-size 1.5em
-//         margin-bottom 25px
-//       .example
-//         marked()
-//     .aboutTab
-//       padding-top 30px
-//       .about1
-//         margin-bottom 25px
-//         .logo
-//           display block
-//           margin 0 auto
-//         .appInfo
-//           font-size 1.5em
-//           text-align center
-//       .about2
-//         width 200px
-//         margin 0 auto
-//         .externalLabel
-//           font-size 1.2em
-//           margin-bottom 15px
-//         .externalList
-//           li
-//             margin-bottom 15px
-//   .PlanetSettingModal
-//     .planetDeleteTab
-//       padding-top 65px
-//       p
-//         margin-bottom 25px
-//         strong
-//           color brandColor
-//           font-size 1.1em
-//       input
-//         borderInput()
-//         margin-right 5px
-//         height 33px
-//         font-size 1em
-//         border-radius 10px
-//       .formConfirm
-//         position relative
-//         clearfix()
-//         margin-bottom 15px
-//         button
-//           float right
-//           btnDefault()
-//           padding 10px 15px
-//           border-radius 5px
-//           font-size 1em
-//           margin-left 5px
-//         .alertInfo, .alertSuccess, .alertError
-//           float right
-//           padding 12px 10px
-//           border-radius 5px
-//           width 320px
-//           font-size 1em
-//           overflow-x hidden
-//           white-space nowrap
-//           transition 0.1s
-//           &.hide
-//             width 0
-//             padding 12px 0
-//         .alertInfo
-//           alertInfo()
-//         .alertSuccess
-//           alertSuccess()
-//         .alertError
-//           alertError()
-//   .TeamSettingsModal
-//     .membersTab
-//       .memberTable
-//         width 100%
-//         margin-bottom 25px
-//         th
-//           border-bottom solid 2px borderColor
-//         td
-//           border-bottom solid 1px borderColor
-//           height 38px
-//           button
-//             btnDefault()
-//             padding 5px
-//             border-radius 5px
-//           .roleSelect
-//             height 33px
-//             border solid 1px borderColor
-//             background-color backgroundColor
-//         th, td
-//           padding 5px 0
-//       .addMemberForm
-//         .formLabel
-//           margin-bottom 5px
-//         .formGroup
-//           clearfix()
-//           .userNameSelect
-//             display block
-//             width 200px
-//             margin-right 5px
-//             float left
-//           .roleSelect
-//             display block
-//             height 33px
-//             border solid 1px borderColor
-//             background-color backgroundColor
-//             float left
-//             margin-right 5px
-//           .confirmButton
-//             display block
-//             height 33px
-//             btnDefault()
-//             border-radius 5px
-//             float left
-//
-//   .LaunchModal
-//     .modal-tab
-//       text-align center
-//       margin-bottom 10px
-//       .btn-primary, .btn-default
-//         margin 0
-//         border-radius 0
-//         border-width 1px
-//         width 150px
-//         border-radius 0
-//         &:nth-child(1)
-//           border-right solid 1px borderColor
-//           border-top-left-radius 5px
-//           border-bottom-left-radius 5px
-//         &:nth-child(2)
-//           border-left none
-//           border-top-right-radius 5px
-//           border-bottom-right-radius 5px
-//   .Select
-//     .Select-control
-//       border-color borderColor
-//     &.is-focused
-//       .Select-control
-//         border-color brandBorderColor
-//     .Select-menu-outer
-//       border-color borderColor
-//   .ace_editor
-//     border-radius 5px
-//     border solid 1px borderColor
-//   .CodeForm, .NoteForm
-//     .form-group
-//       margin-bottom 10px
-//   .CodeForm
-//     textarea.codeDescription
-//       height 75px
-//       font-size 0.9em
-//       margin-bottom 10px
-//     .modeSelect.Select
-//       display inline-block
-//       width 200px
-//       height 37px
-//       .Select-control
-//         height 37px
-//     .ace_editor
-//       height 258px
-//   .NoteForm
-//     .ace_editor
-//       height 358px
-//     .previewMode
-//       absolute top right
-//       font-size 0.8em
-//       line-height 24px
-//       padding 5 15px
-//       background-color transparentify(invBackgroundColor, 0.2)
-//       color invTextColor
-//       border-top-right-radius 5px
-//   .marked
-//     height 360px
-//     overflow-x hidden
-//     overflow-y auto
-//     box-sizing border-box
-//     padding 5px
-//     border solid 1px borderColor
-//     border-radius 5px
-//     marked()
-//
-//
-//   .PlanetCreateModal.modal, .TeamCreateModal.modal, .AddMemberModal.modal
-//     padding 60px 0
-//     .nameInput
-//       width 80%
-//       font-size 1.3em
-//       margin 25px auto 15px
-//       text-align center
-//     .userNameSelect
-//       width 80%
-//       font-size 1.3em
-//       margin 35px auto
-//       text-align center
-//     .formField
-//       text-align center
-//       margin 0 auto 25px
-//       select
-//         display inline-block
-//         width 150px
-//         height 33px
-//         border solid 1px borderColor
-//         background-color white
-//         padding 0 10px
-//         margin 0 15px
-//     .submitButton
-//       display block
-//       margin 0 auto
-//       box-sizing border-box
-//       width 55px
-//       height 55px
-//       circle()
-//       btnPrimary()
-//     .errorAlert
-//       alertError()
-//       padding 12px 10px
-//       border-radius 5px
-//       text-align center
-//       display block
-//       width 360px
-//       margin 0 auto 15px
-//
-//   .ContactModal
-//     padding 15px
-//     .contactForm
-//       .formField
-//         width 100%
-//         margin-bottom 10px
-//         input, textarea
-//           display block
-//           width 100%
-//           borderInput()
-//           border-radius 5px
-//         input
-//           height 33px
-//           font-size 1em
-//         textarea
-//           height 175px
-//           font-size 1em
-//       .formControl
-//         clearfix()
-//         button
-//           float right
-//           btnDefault()
-//           height 44px
-//           padding 0 15px
-//           border-radius 5px
-//           margin-left 5px
-//           font-size 1em
-//         button.sendButton
-//           btnPrimary()
-//     .confirmation
-//       .confirmationMessage
-//         padding 35px 0
-//         text-align center
-//         font-size 1.1em
-//       .doneButton
-//         btnDefault()
-//         height 44px
-//         padding 0 35px
-//         border-radius 5px
-//         display block
-//         margin 0 auto 25px
-//
-//   .LogoutModal
-//     padding 65px 0 45px
-//     width 350px
-//     .messageLabel
-//       text-align center
-//       font-size 1.1em
-//       margin-bottom 35px
-//     .formControl
-//       text-align center
-//       button
-//         btnDefault()
-//         border-radius 5px
-//         height 44px
-//         margin 15px 5px
-//         padding 0 15px
-//       button.logoutButton
-//         btnPrimary()
diff --git a/gruntfile.js b/gruntfile.js
index d2f1a2f7..6b1c6b8b 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -1,6 +1,8 @@
 const path = require('path')
 const ChildProcess = require('child_process')
 const packager = require('electron-packager')
+const fs = require('fs')
+const merge = require('merge-stream')
 
 const WIN = process.platform === 'win32'
 
diff --git a/index.js b/index.js
index fe56a62e..7a1fdf7b 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
 function isFinderCalled () {
   var argv = process.argv.slice(1)
-  return argv.some(arg => arg.match(/--finder/))
+  return argv.some((arg) => arg.match(/--finder/))
 }
 
 if (isFinderCalled()) {
diff --git a/lib/config.js b/lib/config.js
deleted file mode 100644
index d4a42d80..00000000
--- a/lib/config.js
+++ /dev/null
@@ -1,82 +0,0 @@
-const electron = require('electron')
-const app = electron.app
-const ipc = electron.ipcMain
-const jetpack = require('fs-jetpack')
-const nodeIpc = require('@rokt33r/node-ipc')
-
-const defaultConfig = {
-  'editor-font-size': '14',
-  'editor-font-family': 'Monaco, Consolas',
-  'editor-indent-type': 'space',
-  'editor-indent-size': '4',
-  'preview-font-size': '14',
-  'preview-font-family': 'Lato',
-  'switch-preview': 'blur',
-  'disable-direct-write': false,
-  'theme-ui': 'light',
-  'theme-code': 'xcode',
-  'theme-syntax': 'xcode',
-  'preview-line-number': false
-}
-const configFile = 'config.json'
-
-var userDataPath = app.getPath('userData')
-
-function getConfig () {
-  var userDataPath = app.getPath('userData')
-  if (jetpack.cwd(userDataPath).exists(configFile)) {
-    try {
-      return JSON.parse(jetpack.cwd(userDataPath).read(configFile, 'utf-8'))
-    } catch (err) {}
-  }
-  return null
-}
-
-var config = null
-
-function saveConfig () {
-  var content
-  try {
-    content = JSON.stringify(config)
-  } catch (e) {
-    config = {}
-    content = JSON.stringify(config)
-  }
-  jetpack.cwd(userDataPath).file(configFile, { content })
-}
-
-// Init
-config = getConfig()
-if (config == null) {
-  config = Object.assign({}, defaultConfig)
-  saveConfig()
-}
-
-config = Object.assign({}, defaultConfig, config)
-
-if (config['disable-direct-write']) {
-  app.commandLine.appendSwitch('disable-direct-write')
-}
-
-function emitToFinder (type, data) {
-  var payload = {
-    type: type,
-    data: data
-  }
-
-  nodeIpc.server.broadcast('message', payload)
-}
-
-app.on('ready', function () {
-  const mainWindow = require('./main-window')
-  function applyConfig () {
-    mainWindow.webContents.send('config-apply', config)
-    emitToFinder('config-apply', config)
-  }
-
-  ipc.on('configUpdated', function (event, newConfig) {
-    config = Object.assign({}, defaultConfig, config, newConfig)
-    saveConfig()
-    applyConfig()
-  })
-})
diff --git a/lib/finder.html b/lib/finder.html
index 6e035b07..8f4d74db 100644
--- a/lib/finder.html
+++ b/lib/finder.html
@@ -29,6 +29,10 @@
   <div id="content"></div>
   <script src="../node_modules/ace-builds/src-min/ace.js"></script>
   <script src="../resources/katex.min.js"></script>
+  <script src="../compiled/react.min.js"></script>
+  <script src="../compiled/react-dom.min.js"></script>
+  <script src="../compiled/redux.min.js"></script>
+  <script src="../compiled/react-redux.min.js"></script>
   <script>
     const electron = require('electron')
     electron.webFrame.setZoomLevelLimits(1, 1)
diff --git a/lib/hotkey.js b/lib/hotkey.js
index 3573174d..4cb61ea4 100644
--- a/lib/hotkey.js
+++ b/lib/hotkey.js
@@ -1,43 +1,9 @@
 const electron = require('electron')
-const app = electron.app
 const ipc = electron.ipcMain
 const Menu = electron.Menu
 const globalShortcut = electron.globalShortcut
-const jetpack = require('fs-jetpack')
 const mainWindow = require('./main-window')
-const nodeIpc = require('@rokt33r/node-ipc')
-const _ = require('lodash')
-
-const OSX = global.process.platform === 'darwin'
-
-const defaultKeymap = {
-  toggleFinder: OSX ? 'Cmd + Alt + S' : 'Super + Alt + S',
-  toggleMain: OSX ? 'Cmd + Alt + L' : 'Super + Alt + E'
-}
-const keymapFilename = 'keymap.json'
-
-var userDataPath = app.getPath('userData')
-
-function getKeymap () {
-  var userDataPath = app.getPath('userData')
-  if (jetpack.cwd(userDataPath).exists(keymapFilename)) {
-    try {
-      return JSON.parse(jetpack.cwd(userDataPath).read(keymapFilename, 'utf-8'))
-    } catch (err) {}
-  }
-  return {}
-}
-
-function saveKeymap () {
-  var content
-  try {
-    content = JSON.stringify(global.keymap)
-  } catch (e) {
-    global.keymap = {}
-    content = JSON.stringify(global.keymap)
-  }
-  jetpack.cwd(userDataPath).file(keymapFilename, { content })
-}
+// const nodeIpc = require('@rokt33r/node-ipc')
 
 function emitToFinder (type, data) {
   var payload = {
@@ -45,7 +11,7 @@ function emitToFinder (type, data) {
     data: data
   }
 
-  nodeIpc.server.broadcast('message', payload)
+  // nodeIpc.server.broadcast('message', payload)
 }
 
 function toggleFinder () {
@@ -71,31 +37,22 @@ function toggleMain () {
   }
 }
 
-// Init
-global.keymap = Object.assign({}, defaultKeymap, getKeymap())
-
-function registerKey (name, callback) {
-  if (_.isString(global.keymap[name]) && global.keymap[name].trim().length > 0) {
-    globalShortcut.register(global.keymap[name], callback)
-  }
-}
-
-function registerAllKeys (broadcast) {
-  if (broadcast == null) broadcast = true
+ipc.on('CONFIG_RENEW', (e, payload) => {
+  globalShortcut.unregisterAll()
+  var { config } = payload
 
   var errors = []
   try {
-    registerKey('toggleFinder', toggleFinder)
+    globalShortcut.register(config.hotkey.toggleFinder, toggleFinder)
   } catch (err) {
     errors.push('toggleFinder')
   }
   try {
-    registerKey('toggleMain', toggleMain)
+    globalShortcut.register(config.hotkey.toggleMain, toggleMain)
   } catch (err) {
     errors.push('toggleMain')
   }
-
-  if (broadcast) {
+  if (!config.silent) {
     if (errors.length === 0) {
       mainWindow.webContents.send('APP_SETTING_DONE', {})
     } else {
@@ -104,13 +61,4 @@ function registerAllKeys (broadcast) {
       })
     }
   }
-}
-
-registerAllKeys(false)
-
-ipc.on('hotkeyUpdated', function (event, newKeymap) {
-  global.keymap = Object.assign({}, defaultKeymap, global.keymap, newKeymap)
-  saveKeymap()
-  globalShortcut.unregisterAll()
-  registerAllKeys()
 })
diff --git a/lib/main-app.js b/lib/main-app.js
index 278ad34c..263ba7dd 100644
--- a/lib/main-app.js
+++ b/lib/main-app.js
@@ -6,11 +6,9 @@ const autoUpdater = electron.autoUpdater
 const path = require('path')
 const ChildProcess = require('child_process')
 const _ = require('lodash')
-const nodeIpc = require('@rokt33r/node-ipc')
 const GhReleases = require('electron-gh-releases')
 // electron.crashReporter.start()
 
-require('./config')
 var mainWindow = null
 var finderProcess = null
 var finderWindow = null
@@ -131,7 +129,7 @@ function checkUpdate () {
   updater.check((err, status) => {
     if (err) {
       var isLatest = err.message === 'There is no newer version.'
-      if (!isLatest && !versionNotified) notify('Updater error!', err.message)
+      if (!isLatest && !versionNotified) console.error('Updater error! %s', err.message)
     }
     if (!err) {
       if (status) {
@@ -155,37 +153,37 @@ updater.on('update-downloaded', (info) => {
   }
 })
 
-nodeIpc.config.id = 'node'
-nodeIpc.config.retry = 1500
-nodeIpc.config.silent = true
+// nodeIpc.config.id = 'node'
+// nodeIpc.config.retry = 1500
+// nodeIpc.config.silent = true
 
-nodeIpc.serve(
-  path.join(app.getPath('userData'), 'boost.service'),
-  function () {
-    nodeIpc.server.on(
-      'connect',
-      function (socket) {
-        socket.on('close', function () {
-          console.log('socket dead')
-          if (!appQuit) spawnFinder()
-        })
-      }
-    )
-    nodeIpc.server.on(
-      'message',
-      function (data, socket) {
-        console.log('>>', data)
-        handleIpcEvent(data)
-      }
-    )
-    nodeIpc.server.on(
-      'error',
-      function (err) {
-        console.log('>>', err)
-      }
-    )
-  }
-)
+// nodeIpc.serve(
+//   path.join(app.getPath('userData'), 'boost.service'),
+//   function () {
+//     nodeIpc.server.on(
+//       'connect',
+//       function (socket) {
+//         socket.on('close', function () {
+//           console.log('socket dead')
+//           if (!appQuit) spawnFinder()
+//         })
+//       }
+//     )
+//     nodeIpc.server.on(
+//       'message',
+//       function (data, socket) {
+//         console.log('>>', data)
+//         handleIpcEvent(data)
+//       }
+//     )
+//     nodeIpc.server.on(
+//       'error',
+//       function (err) {
+//         console.log('>>', err)
+//       }
+//     )
+//   }
+// )
 
 function handleIpcEvent (payload) {
   switch (payload.type) {
@@ -211,12 +209,12 @@ function handleIpcEvent (payload) {
 }
 
 function spawnFinder() {
-  if (process.platform === 'darwin') {
-    var finderArgv = [path.join(__dirname, 'finder-app.js'), '--finder']
-    if (_.find(process.argv, a => a === '--hot')) finderArgv.push('--hot')
-    finderProcess = ChildProcess
-      .execFile(process.execPath, finderArgv)
-  }
+  // if (process.platform === 'darwin') {
+  //   var finderArgv = [path.join(__dirname, 'finder-app.js'), '--finder']
+  //   if (_.find(process.argv, a => a === '--hot')) finderArgv.push('--hot')
+  //   finderProcess = ChildProcess
+  //     .execFile(process.execPath, finderArgv)
+  // }
 }
 
 function quitApp () {
@@ -273,38 +271,43 @@ app.on('ready', function () {
     mainWindow.setMenu(menu)
   }
   mainWindow.on('close', function (e) {
-    app.quit()
-  })
-  switch (process.platform) {
-    case 'darwin':
-      spawnFinder()
-      break
-    case 'win32':
-      finderWindow = require('./finder-window')
-      finderWindow.on('close', function (e) {
-        if (appQuit) return true
-        e.preventDefault()
-        finderWindow.hide()
-      })
-      break
-    case 'linux':
-      if (process.env.DESKTOP_SESSION === 'cinnamon') {
-        finderWindow = require('./finder-window')
-        finderWindow.on('close', function (e) {
-          if (appQuit) return true
-          e.preventDefault()
-          finderWindow.hide()
-        })
-      }
-      // Do nothing.
-  }
-
-  nodeIpc.server.start(function (err) {
-    if (err.code === 'EADDRINUSE') {
-      notify('Error occurs!', 'You have to kill other Boostnote processes.')
-      quitApp()
+    if (appQuit) {
+      app.quit()
+    } else {
+      mainWindow.hide()
+      e.preventDefault()
     }
   })
+  // switch (process.platform) {
+  //   case 'darwin':
+  //     spawnFinder()
+  //     break
+  //   case 'win32':
+  //     finderWindow = require('./finder-window')
+  //     finderWindow.on('close', function (e) {
+  //       if (appQuit) return true
+  //       e.preventDefault()
+  //       finderWindow.hide()
+  //     })
+  //     break
+  //   case 'linux':
+  //     if (process.env.DESKTOP_SESSION === 'cinnamon') {
+  //       finderWindow = require('./finder-window')
+  //       finderWindow.on('close', function (e) {
+  //         if (appQuit) return true
+  //         e.preventDefault()
+  //         finderWindow.hide()
+  //       })
+  //     }
+  //     // Do nothing.
+  // }
+
+  // nodeIpc.server.start(function (err) {
+  //   if (err.code === 'EADDRINUSE') {
+  //     notify('Error occurs!', 'You have to kill other Boostnote processes.')
+  //     quitApp()
+  //   }
+  // })
 
   require('./hotkey')
 })
diff --git a/lib/main-menu.js b/lib/main-menu.js
index a31f4431..66d03bfe 100644
--- a/lib/main-menu.js
+++ b/lib/main-menu.js
@@ -49,14 +49,7 @@ var file = {
       label: 'New Post',
       accelerator: OSX ? 'Command + N' : 'Control + N',
       click: function () {
-        mainWindow.webContents.send('top-new-post')
-      }
-    },
-    {
-      label: 'New Folder',
-      accelerator: OSX ? 'Command + Shift + N' : 'Control + Shift + N',
-      click: function () {
-        mainWindow.webContents.send('nav-new-folder')
+        mainWindow.webContents.send('top:new-note')
       }
     },
     {
@@ -66,7 +59,7 @@ var file = {
       label: 'Delete Post',
       accelerator: OSX ? 'Control + Backspace' : 'Control + Delete',
       click: function () {
-        mainWindow.webContents.send('detail-delete')
+        mainWindow.webContents.send('detail:delete')
       }
     }
   ]
@@ -127,16 +120,6 @@ var edit = {
 var view = {
   label: 'View',
   submenu: [
-    {
-      label: 'Focus Search',
-      accelerator: 'Control + Alt + F',
-      click: function () {
-        mainWindow.webContents.send('top-focus-search')
-      }
-    },
-    {
-      type: 'separator'
-    },
     {
       label: 'Reload',
       accelerator: (function () {
@@ -149,10 +132,12 @@ var view = {
     },
     {
       label: 'Toggle Developer Tools',
-      accelerator: process.platform === 'darwin' ? 'Alt+Command+I' : 'Ctrl+Shift+I',
-      click(item, focusedWindow) {
-        if (focusedWindow)
-          focusedWindow.webContents.toggleDevTools();
+      accelerator: (function () {
+        if (process.platform === 'darwin') return 'Command+Alt+I'
+        else return 'Ctrl+Shift+I'
+      })(),
+      click: function () {
+        BrowserWindow.getFocusedWindow().toggleDevTools()
       }
     }
   ]
@@ -190,12 +175,8 @@ var help = {
       click: function () { shell.openExternal('https://b00st.io/') }
     },
     {
-      label: 'Tutorial page',
-      click: function () { shell.openExternal('https://b00st.io/tutorial.html') }
-    },
-    {
-      label: 'Discussions',
-      click: function () { shell.openExternal('https://github.com/BoostIO/boost-app-discussions/issues') }
+      label: 'Issue Tracker',
+      click: function () { shell.openExternal('https://github.com/BoostIO/Boostnote/issues') }
     },
     {
       label: 'Changelog',
diff --git a/lib/main-window.js b/lib/main-window.js
index a6f728f3..606099be 100644
--- a/lib/main-window.js
+++ b/lib/main-window.js
@@ -6,8 +6,10 @@ const path = require('path')
 var mainWindow = new BrowserWindow({
   width: 1080,
   height: 720,
-  zoomFactor: 1.0,
+  minWidth: 420,
+  minHeight: 320,
   webPreferences: {
+    zoomFactor: 1.0,
     blinkFeatures: 'OverlayScrollbars'
   }
 })
diff --git a/lib/main.html b/lib/main.html
index 898a8d78..99e3b799 100644
--- a/lib/main.html
+++ b/lib/main.html
@@ -9,7 +9,6 @@
   <link rel="stylesheet" href="../node_modules/highlight.js/styles/xcode.css" id="hljs-css">
   <link rel="shortcut icon" href="../resources/favicon.ico">
   <title>Boostnote</title>
-  <link rel="stylesheet" href="../resources/katex.min.css">
 </script>
 
   <style>
@@ -58,16 +57,19 @@
   <script src="../node_modules/ace-builds/src-min/ace.js"></script>
   <script src="../node_modules/ace-builds/src-min/ext-themelist.js"></script>
   <script src="../resources/katex.min.js"></script>
+  <script src="../compiled/react.js"></script>
+  <script src="../compiled/react-dom.js"></script>
+  <script src="../compiled/redux.js"></script>
+  <script src="../compiled/react-redux.js"></script>
   <script type='text/javascript'>
     const electron = require('electron')
     electron.webFrame.setZoomLevelLimits(1, 1)
-    var version = electron.remote.app.getVersion()
     const _ = require('lodash')
-    var scriptUrl = _.find(electron.remote.process.argv, a => a === '--hot')
+    var scriptUrl = _.find(electron.remote.process.argv, (a) => a === '--hot')
       ? 'http://localhost:8080/assets/main.js'
       : '../compiled/main.js'
     var scriptEl = document.createElement('script')
-    scriptEl.setAttribute("type","text/javascript")
+    scriptEl.setAttribute("type", "text/javascript")
     scriptEl.setAttribute("src", scriptUrl)
     document.body.appendChild(scriptEl)
   </script>
diff --git a/oh-my-cdn.json b/oh-my-cdn.json
new file mode 100644
index 00000000..717263f7
--- /dev/null
+++ b/oh-my-cdn.json
@@ -0,0 +1,9 @@
+{
+  "directory": "compiled",
+  "targets": {
+    "react": "https://cdnjs.cloudflare.com/ajax/libs/react/15.0.2/react.js",
+    "react-dom": "https://cdnjs.cloudflare.com/ajax/libs/react/15.0.2/react-dom.js",
+    "redux": "https://cdnjs.cloudflare.com/ajax/libs/redux/3.5.2/redux.js",
+    "react-redux": "https://npmcdn.com/react-redux@4.4.5/dist/react-redux.min.js"
+  }
+}
diff --git a/package.json b/package.json
index 74e6cb52..f48fb0b0 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,17 @@
 {
   "name": "boost",
-  "version": "0.5.13",
+  "version": "0.6.0",
   "description": "Boostnote",
   "main": "index.js",
   "scripts": {
     "start": "electron ./index.js",
     "hot": "electron ./index.js --hot",
-    "webpack": "webpack-dev-server --hot --inline --config webpack.config.js"
+    "webpack": "webpack-dev-server --hot --inline --config webpack.config.js",
+    "postinstall": "npm run vendor",
+    "vendor": "oh-my-cdn"
   },
   "config": {
-    "electron-version": "0.36.11"
+    "electron-version": "1.1.3"
   },
   "repository": {
     "type": "git",
@@ -36,20 +38,20 @@
   "homepage": "https://b00st.io",
   "dependencies": {
     "@rokt33r/markdown-it-math": "^4.0.1",
-    "@rokt33r/node-ipc": "^5.0.4",
-    "@rokt33r/sanitize-html": "^1.11.2",
     "ace-builds": "git+https://git@github.com/ajaxorg/ace-builds.git",
     "devicon": "^2.0.0",
     "electron-gh-releases": "^2.0.2",
     "font-awesome": "^4.3.0",
     "fs-jetpack": "^0.7.0",
     "highlight.js": "^9.3.0",
-    "lodash": "^3.10.1",
+    "lodash": "^4.11.1",
     "markdown-it": "^6.0.1",
     "markdown-it-checkbox": "^1.1.0",
     "markdown-it-emoji": "^1.1.1",
     "md5": "^2.0.0",
     "moment": "^2.10.3",
+    "sander": "^0.5.1",
+    "season": "^5.3.0",
     "superagent": "^1.2.0",
     "superagent-promise": "^1.0.3"
   },
@@ -61,17 +63,19 @@
     "babel-preset-react": "^6.3.13",
     "babel-preset-react-hmre": "^1.0.1",
     "css-loader": "^0.19.0",
+    "devtron": "^1.1.0",
     "electron-packager": "^6.0.0",
-    "electron-prebuilt": "^0.36.11",
+    "electron-prebuilt": "^1.1.3",
     "electron-release": "^2.2.0",
     "grunt": "^0.4.5",
     "grunt-electron-installer": "^1.2.0",
     "history": "^1.17.0",
+    "merge-stream": "^1.0.0",
     "nib": "^1.1.0",
-    "react": "^0.14.3",
-    "react-dom": "^0.14.3",
-    "react-redux": "^4.0.6",
-    "redux": "^3.0.5",
+    "oh-my-cdn": "^0.1.1",
+    "react-css-modules": "^3.7.6",
+    "react-router": "^2.4.0",
+    "react-router-redux": "^4.0.4",
     "standard": "^6.0.8",
     "style-loader": "^0.12.4",
     "stylus": "^0.52.4",
diff --git a/readme-ja.md b/readme-ja.md
new file mode 100644
index 00000000..b133d6be
--- /dev/null
+++ b/readme-ja.md
@@ -0,0 +1,47 @@
+# Boostnote
+
+オープンソースノートアプリ
+
+## Goal
+
+単に何かを書くのが楽しくなってほしいです。 :grinning:
+
+- ターゲット OS : OSX, Windows, Linux(後々はモバイルも!)
+- Cloud : Google drive, Dropbox, One drive, iCloud...
+- オープンソースで残ること!
+
+## 印象を受けたアプリ/サービス
+
+- Atom
+- Quiver
+- Evernote
+- GitKraken
+- GitBook
+
+## Using stack
+
+- Electron
+- React
+- Webpack
+- Redux
+- CSSModules
+
+## Codestyle
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+## Author
+
+[Rokt33r(Dick Choi of MAISIN&CO.)](https://github.com/rokt33r)
+
+## Contributors
+
+- [dojineko](https://github.com/dojineko)
+- [Romain Bazile](https://github.com/gromain)
+- [Bruno Paz](https://github.com/brpaz)
+
+## Copyright & License
+
+Copyright (C) 2016 MAISIN&CO.
+
+[GPL v3](./LICENSE).
diff --git a/readme-ko.md b/readme-ko.md
new file mode 100644
index 00000000..ffbdc35e
--- /dev/null
+++ b/readme-ko.md
@@ -0,0 +1,47 @@
+# Boostnote
+
+오픈소스 노트 앱
+
+## Goal
+
+그냥 글쓰는게 즐거워지셨으면 좋겠어요. :grinning:
+
+- 타겟 OS : OSX, Windows, Linux(나중엔 모바일까지도!)
+- Cloud : Google drive, Dropbox, One drive, iCloud...
+- 오픈소스로 남을 것!
+
+## 영감받은 앱/서비스
+
+- Atom
+- Quiver
+- Evernote
+- GitKraken
+- GitBook
+
+## Using stack
+
+- Electron
+- React
+- Webpack
+- Redux
+- CSSModules
+
+## Codestyle
+
+[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+## Author
+
+[Rokt33r(Dick Choi of MAISIN&CO.)](https://github.com/rokt33r)
+
+## Contributors
+
+- [dojineko](https://github.com/dojineko)
+- [Romain Bazile](https://github.com/gromain)
+- [Bruno Paz](https://github.com/brpaz)
+
+## Copyright & License
+
+Copyright (C) 2016 MAISIN&CO.
+
+[GPL v3](./LICENSE).
diff --git a/readme.md b/readme.md
index a2099a65..62a56460 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,19 @@
 # Boostnote
 
-Simple note app
+Simple opensource note app for developer.
 
+<<<<<<< HEAD
+- [日本語](./readme-ja.md)
+- [한국어](./readme-ko.md)
+
+## Goal
+
+We just want you to enjoying writing anything. :grinning:
+
+- Target OS : OSX, Windows, Linux(also mobile somewhen!)
+- Cloud : Google drive, Dropbox, One drive, iCloud...
+- Remaining opensource forever!
+=======
 ## !!v0.6.0 is Underconstruction!!
 
 Check the links below for further information.
@@ -11,113 +23,23 @@ https://github.com/BoostIO/Boostnote/issues/3
 
 v0.6.0 Branch
 https://github.com/BoostIO/Boostnote/tree/0.6.0
+>>>>>>> no_submodules
 
-## System requirement
+## Inspired by
 
-This app is built on Electron.
-
-You can check it from [here](https://github.com/electron/electron/blob/master/docs/tutorial/supported-platforms.md).
-
-Currently, I'm testing this app on Windows 10(64bit), OS X El Capitan, Ubuntu Linux, Arch Linux.
-
-## About note storage
-
-Currently, Boostnote stores data to a single json file.
-
-You can find it from the path below.
-
-OS X
-```
-/Users/$USER_NAME$/Library/Application Support/boost/local.json
-```
-
-Windows
-```
-C:\Users\$USER_NAME$\AppData\Roaming\boost\local.json
-```
-
-On v0.6.0, You will be able to select any folder in your file system.
-
-## Develop
-
-1. turn on HMR server
-
-```
-npm run webpack
-```
-
-2. run hot mode
-
-```
-npm run hot
-```
-
-> `npm start` is using compiled scripts. see [Build](#Build) to compile scripts.
-
-
-## Build
-
-> '3. Codesign' and '4. Create' installer are needed to deploy this app.
-> You can skip these steps.
-
-1. Compile scripts
-
-compile all browser stuff(Javascript, Stylus).
-
-```
-grunt compile
-```
-
-2. Build executable
-
-build `Boostnote.app` (OS X) / `Boostnote.exe` (Windows)
-
-```
-grunt pack:osx
-grunt pack:windows
-```
-
-3. Codesign (OSX only)
-
-codesign with Certification.
-
-```
-grunt codesign
-```
-
-> `OSX_COMMON_NAME` must be defined inside `/secret/auth_code.json`.
-
-> codesigning on windows is included to creating installer.
-
-4. Create installer
-
-create installer, `Boostnote.dmg`(OSX) / `Setup.exe`(Windows).
-
-```
-grunt create-windows-installer
-```
-
-> #### Windows only
-> `WIN_CERT_PASSWORD` must be defined inside `/secret/auth_code.json`.
-> `/secret/authenticode_cer.p12` is required also.
-
-5. Zip (OSX only)
-
-zip `Boostnote.app` file.
-
-```
-grunt zip:osx
-```
-
-> Stuff(Setup.exe, .nupkg) of Windows are not needed to be zipped.
+- Atom
+- Quiver
+- Evernote
+- GitKraken
+- GitBook
 
 ## Using stack
 
 - Electron
 - React
 - Webpack
-... check [`package.json`](./package.json)
-
+- Redux
+- CSSModules
 
 ## Codestyle
 
@@ -137,6 +59,4 @@ grunt zip:osx
 
 Copyright (C) 2016 MAISIN&CO.
 
-[Check here](./LICENSE).
-
-
+[GPL v3](./LICENSE).
diff --git a/resources/katex.min.css b/resources/katex.min.css
index 408409dc..47dd09da 100644
--- a/resources/katex.min.css
+++ b/resources/katex.min.css
@@ -1 +1 @@
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a={"katex-blue":"#6495ed","katex-orange":"#ffa500","katex-pink":"#ff00af","katex-red":"#df0030","katex-green":"#28ae7b","katex-gray":"gray","katex-purple":"#9d38bd","katex-blueA":"#c7e9f1","katex-blueB":"#9cdceb","katex-blueC":"#58c4dd","katex-blueD":"#29abca","katex-blueE":"#1c758a","katex-tealA":"#acead7","katex-tealB":"#76ddc0","katex-tealC":"#5cd0b3","katex-tealD":"#55c1a7","katex-tealE":"#49a88f","katex-greenA":"#c9e2ae","katex-greenB":"#a6cf8c","katex-greenC":"#83c167","katex-greenD":"#77b05d","katex-greenE":"#699c52","katex-goldA":"#f7c797","katex-goldB":"#f9b775","katex-goldC":"#f0ac5f","katex-goldD":"#e1a158","katex-goldE":"#c78d46","katex-redA":"#f7a1a3","katex-redB":"#ff8080","katex-redC":"#fc6255","katex-redD":"#e65a4c","katex-redE":"#cf5044","katex-maroonA":"#ecabc1","katex-maroonB":"#ec92ab","katex-maroonC":"#c55f73","katex-maroonD":"#a24d61","katex-maroonE":"#94424f","katex-purpleA":"#caa3e8","katex-purpleB":"#b189c6","katex-purpleC":"#9a72ac","katex-purpleD":"#715582","katex-purpleE":"#644172","katex-mintA":"#f5f9e8","katex-mintB":"#edf2df","katex-mintC":"#e0e5cc","katex-grayA":"#fdfdfd","katex-grayB":"#f7f7f7","katex-grayC":"#eeeeee","katex-grayD":"#dddddd","katex-grayE":"#cccccc","katex-grayF":"#aaaaaa","katex-grayG":"#999999","katex-grayH":"#555555","katex-grayI":"#333333","katex-kaBlue":"#314453","katex-kaGreen":"#639b24"};h.prototype.getColor=function(){if(this.phantom){return"transparent"}else{return a[this.color]||this.color}};t.exports=h},{}],5:[function(e,t,i){function h(e,t,i){var a="KaTeX parse error: "+e;if(t!==undefined&&i!==undefined){a+=" at position "+i+": ";var r=t._input;r=r.slice(0,i)+"\u0332"+r.slice(i);var l=Math.max(0,i-15);var s=i+15;a+=r.slice(l,s)}var p=new Error(a);p.name="ParseError";p.__proto__=h.prototype;p.position=i;return p}h.prototype.__proto__=Error.prototype;t.exports=h},{}],6:[function(e,t,i){var h=e("./functions");var a=e("./environments");var r=e("./Lexer");var l=e("./symbols");var s=e("./utils");var p=e("./parseData");var c=e("./ParseError");function n(e,t){this.lexer=new r(e);this.settings=t}var o=p.ParseNode;var g=p.ParseResult;function d(e,t){this.result=e;this.isFunction=t}n.prototype.expect=function(e,t){if(e.text!==t){throw new c("Expected '"+t+"', got '"+e.text+"'",this.lexer,e.position)}};n.prototype.parse=function(e){var t=this.parseInput(0,"math");return t.result};n.prototype.parseInput=function(e,t){var i=this.parseExpression(e,t,false);this.expect(i.peek,"EOF");return i};var w=["}","\\end","\\right","&","\\\\","\\cr"];n.prototype.parseExpression=function(e,t,i,h){var a=[];var r=null;while(true){r=this.lexer.lex(e,t);if(w.indexOf(r.text)!==-1){break}if(h&&r.text===h){break}var l=this.parseAtom(e,t);if(!l){if(!this.settings.throwOnError&&r.text[0]==="\\"){var s=this.handleUnsupportedCmd(r.text,t);a.push(s);e=r.position;continue}break}if(i&&l.result.type==="infix"){break}a.push(l.result);e=l.position}var p=new g(this.handleInfixNodes(a,t),e);p.peek=r;return p};n.prototype.handleInfixNodes=function(e,t){var i=-1;var a;var r;for(var l=0;l<e.length;l++){var s=e[l];if(s.type==="infix"){if(i!==-1){throw new c("only one infix operator per group",this.lexer,-1)}i=l;r=s.value.replaceWith;a=h.funcs[r]}}if(i!==-1){var p,n;var g=e.slice(0,i);var d=e.slice(i+1);if(g.length===1&&g[0].type==="ordgroup"){p=g[0]}else{p=new o("ordgroup",g,t)}if(d.length===1&&d[0].type==="ordgroup"){n=d[0]}else{n=new o("ordgroup",d,t)}var w=a.handler(r,p,n);return[new o(w.type,w,t)]}else{return e}};var u=1;n.prototype.handleSupSubscript=function(e,t,i,a){var r=this.parseGroup(e,t);if(!r){var l=this.lexer.lex(e,t);if(!this.settings.throwOnError&&l.text[0]==="\\"){return new g(this.handleUnsupportedCmd(l.text,t),l.position)}else{throw new c("Expected group after '"+i+"'",this.lexer,e)}}else if(r.isFunction){var s=h.funcs[r.result.result].greediness;if(s>u){return this.parseFunction(e,t)}else{throw new c("Got function '"+r.result.result+"' with no arguments "+"as "+a,this.lexer,e)}}else{return r.result}};n.prototype.handleUnsupportedCmd=function(e,t){var i=[];for(var h=0;h<e.length;h++){i.push(new o("textord",e[h],"text"))}var a=new o("text",{body:i,type:"text"},t);var r=new o("color",{color:this.settings.errorColor,value:[a],type:"color"},t);return r};n.prototype.parseAtom=function(e,t){var i=this.parseImplicitGroup(e,t);if(t==="text"){return i}var h;if(!i){h=e;i=undefined}else{h=i.position}var a;var r;var l;while(true){var s=this.lexer.lex(h,t);if(s.text==="\\limits"||s.text==="\\nolimits"){if(!i||i.result.type!=="op"){throw new c("Limit controls must follow a math operator",this.lexer,h)}else{var p=s.text==="\\limits";i.result.value.limits=p;i.result.value.alwaysHandleSupSub=true;h=s.position}}else if(s.text==="^"){if(a){throw new c("Double superscript",this.lexer,h)}l=this.handleSupSubscript(s.position,t,s.text,"superscript");h=l.position;a=l.result}else if(s.text==="_"){if(r){throw new c("Double subscript",this.lexer,h)}l=this.handleSupSubscript(s.position,t,s.text,"subscript");h=l.position;r=l.result}else if(s.text==="'"){var n=new o("textord","\\prime",t);var d=[n];h=s.position;while((s=this.lexer.lex(h,t)).text==="'"){d.push(n);h=s.position}a=new o("ordgroup",d,t)}else{break}}if(a||r){return new g(new o("supsub",{base:i&&i.result,sup:a,sub:r},t),h)}else{return i}};var k=["\\tiny","\\scriptsize","\\footnotesize","\\small","\\normalsize","\\large","\\Large","\\LARGE","\\huge","\\Huge"];var m=["\\displaystyle","\\textstyle","\\scriptstyle","\\scriptscriptstyle"];n.prototype.parseImplicitGroup=function(e,t){var i=this.parseSymbol(e,t);if(!i||!i.result){return this.parseFunction(e,t)}var h=i.result.result;var r;if(h==="\\left"){var l=this.parseFunction(e,t);r=this.parseExpression(l.position,t,false);this.expect(r.peek,"\\right");var p=this.parseFunction(r.position,t);return new g(new o("leftright",{body:r.result,left:l.result.value.value,right:p.result.value.value},t),p.position)}else if(h==="\\begin"){var n=this.parseFunction(e,t);var d=n.result.value.name;if(!a.hasOwnProperty(d)){throw new c("No such environment: "+d,this.lexer,n.result.value.namepos)}var w=a[d];var u=[null,t,d];var f=this.parseArguments(n.position,t,"\\begin{"+d+"}",w,u);u[0]=f;var v=w.handler.apply(this,u);var y=this.lexer.lex(v.position,t);this.expect(y,"\\end");var x=this.parseFunction(v.position,t);if(x.result.value.name!==d){throw new c("Mismatch: \\begin{"+d+"} matched "+"by \\end{"+x.result.value.name+"}",this.lexer,x.namepos)}v.position=x.position;return v}else if(s.contains(k,h)){r=this.parseExpression(i.result.position,t,false);return new g(new o("sizing",{size:"size"+(s.indexOf(k,h)+1),value:r.result},t),r.position)}else if(s.contains(m,h)){r=this.parseExpression(i.result.position,t,true);return new g(new o("styling",{style:h.slice(1,h.length-5),value:r.result},t),r.position)}else{return this.parseFunction(e,t)}};n.prototype.parseFunction=function(e,t){var i=this.parseGroup(e,t);if(i){if(i.isFunction){var a=i.result.result;var r=h.funcs[a];if(t==="text"&&!r.allowedInText){throw new c("Can't use function '"+a+"' in text mode",this.lexer,i.position)}var l=[a];var s=this.parseArguments(i.result.position,t,a,r,l);var p=h.funcs[a].handler.apply(this,l);return new g(new o(p.type,p,t),s)}else{return i.result}}else{return null}};n.prototype.parseArguments=function(e,t,i,a,r){var l=a.numArgs+a.numOptionalArgs;if(l===0){return e}var s=e;var p=a.greediness;var n=[s];for(var o=0;o<l;o++){var w=a.argTypes&&a.argTypes[o];var u;if(o<a.numOptionalArgs){if(w){u=this.parseSpecialGroup(s,w,t,true)}else{u=this.parseOptionalGroup(s,t)}if(!u){r.push(null);n.push(s);continue}}else{if(w){u=this.parseSpecialGroup(s,w,t)}else{u=this.parseGroup(s,t)}if(!u){var k=this.lexer.lex(s,t);if(!this.settings.throwOnError&&k.text[0]==="\\"){u=new d(new g(this.handleUnsupportedCmd(k.text,t),k.position),false)}else{throw new c("Expected group after '"+i+"'",this.lexer,e)}}}var m;if(u.isFunction){var f=h.funcs[u.result.result].greediness;if(f>p){m=this.parseFunction(s,t)}else{throw new c("Got function '"+u.result.result+"' as "+"argument to '"+i+"'",this.lexer,u.result.position-1)}}else{m=u.result}r.push(m.result);n.push(m.position);s=m.position}r.push(n);return s};n.prototype.parseSpecialGroup=function(e,t,i,h){if(t==="original"){t=i}if(t==="color"||t==="size"){var a=this.lexer.lex(e,i);if(h&&a.text!=="["){return null}this.expect(a,h?"[":"{");var r=this.lexer.lex(a.position,t);var l;if(t==="color"){l=r.text}else{l=r.data}var s=this.lexer.lex(r.position,i);this.expect(s,h?"]":"}");return new d(new g(new o(t,l,i),s.position),false)}else if(t==="text"){var p=this.lexer.lex(e,"whitespace");e=p.position}if(h){return this.parseOptionalGroup(e,t)}else{return this.parseGroup(e,t)}};n.prototype.parseGroup=function(e,t){var i=this.lexer.lex(e,t);if(i.text==="{"){var h=this.parseExpression(i.position,t,false);var a=this.lexer.lex(h.position,t);this.expect(a,"}");return new d(new g(new o("ordgroup",h.result,t),a.position),false)}else{return this.parseSymbol(e,t)}};n.prototype.parseOptionalGroup=function(e,t){var i=this.lexer.lex(e,t);if(i.text==="["){var h=this.parseExpression(i.position,t,false,"]");var a=this.lexer.lex(h.position,t);this.expect(a,"]");return new d(new g(new o("ordgroup",h.result,t),a.position),false)}else{return null}};n.prototype.parseSymbol=function(e,t){var i=this.lexer.lex(e,t);if(h.funcs[i.text]){return new d(new g(i.text,i.position),true)}else if(l[t][i.text]){return new d(new g(new o(l[t][i.text].group,i.text,t),i.position),false)}else{return null}};n.prototype.ParseNode=o;t.exports=n},{"./Lexer":3,"./ParseError":5,"./environments":15,"./functions":18,"./parseData":20,"./symbols":22,"./utils":23}],7:[function(e,t,i){function h(e,t){return e===undefined?t:e}function a(e){e=e||{};this.displayMode=h(e.displayMode,false);this.throwOnError=h(e.throwOnError,true);this.errorColor=h(e.errorColor,"#cc0000")}t.exports=a},{}],8:[function(e,t,i){function h(e,t,i,h){this.id=e;this.size=t;this.cramped=h;this.sizeMultiplier=i}h.prototype.sup=function(){return w[u[this.id]]};h.prototype.sub=function(){return w[k[this.id]]};h.prototype.fracNum=function(){return w[m[this.id]]};h.prototype.fracDen=function(){return w[f[this.id]]};h.prototype.cramp=function(){return w[v[this.id]]};h.prototype.cls=function(){return g[this.size]+(this.cramped?" cramped":" uncramped")};h.prototype.reset=function(){return d[this.size]};var a=0;var r=1;var l=2;var s=3;var p=4;var c=5;var n=6;var o=7;var g=["displaystyle textstyle","textstyle","scriptstyle","scriptscriptstyle"];var d=["reset-textstyle","reset-textstyle","reset-scriptstyle","reset-scriptscriptstyle"];var w=[new h(a,0,1,false),new h(r,0,1,true),new h(l,1,1,false),new h(s,1,1,true),new h(p,2,.7,false),new h(c,2,.7,true),new h(n,3,.5,false),new h(o,3,.5,true)];var u=[p,c,p,c,n,o,n,o];var k=[c,c,c,c,o,o,o,o];var m=[l,s,p,c,n,o,n,o];var f=[s,s,c,c,o,o,o,o];var v=[r,r,s,s,c,c,o,o];t.exports={DISPLAY:w[a],TEXT:w[l],SCRIPT:w[p],SCRIPTSCRIPT:w[n]}},{}],9:[function(e,t,i){var h=e("./domTree");var a=e("./fontMetrics");var r=e("./symbols");var l=e("./utils");var s=["\\Gamma","\\Delta","\\Theta","\\Lambda","\\Xi","\\Pi","\\Sigma","\\Upsilon","\\Phi","\\Psi","\\Omega"];var p=["\u0131","\u0237"];var c=function(e,t,i,l,s){if(r[i][e]&&r[i][e].replace){e=r[i][e].replace}var p=a.getCharacterMetrics(e,t);var c;if(p){c=new h.symbolNode(e,p.height,p.depth,p.italic,p.skew,s)}else{typeof console!=="undefined"&&console.warn("No character metrics for '"+e+"' in style '"+t+"'");c=new h.symbolNode(e,0,0,0,0,s)}if(l){c.style.color=l}return c};var n=function(e,t,i,h){if(e==="\\"||r[t][e].font==="main"){return c(e,"Main-Regular",t,i,h)}else{return c(e,"AMS-Regular",t,i,h.concat(["amsrm"]))}};var o=function(e,t,i,h,a){if(a==="mathord"){return g(e,t,i,h)}else if(a==="textord"){return c(e,"Main-Regular",t,i,h.concat(["mathrm"]))}else{throw new Error("unexpected type: "+a+" in mathDefault")}};var g=function(e,t,i,h){if(/[0-9]/.test(e.charAt(0))||l.contains(p,e)||l.contains(s,e)){return c(e,"Main-Italic",t,i,h.concat(["mainit"]))}else{return c(e,"Math-Italic",t,i,h.concat(["mathit"]))}};var d=function(e,t,i){var h=e.mode;var s=e.value;if(r[h][s]&&r[h][s].replace){s=r[h][s].replace}var n=["mord"];var d=t.getColor();var w=t.font;if(w){if(w==="mathit"||l.contains(p,s)){return g(s,h,d,n)}else{var u=x[w].fontName;if(a.getCharacterMetrics(s,u)){return c(s,u,h,d,n.concat([w]))}else{return o(s,h,d,n,i)}}}else{return o(s,h,d,n,i)}};var w=function(e){var t=0;var i=0;var h=0;if(e.children){for(var a=0;a<e.children.length;a++){if(e.children[a].height>t){t=e.children[a].height}if(e.children[a].depth>i){i=e.children[a].depth}if(e.children[a].maxFontSize>h){h=e.children[a].maxFontSize}}}e.height=t;e.depth=i;e.maxFontSize=h};var u=function(e,t,i){var a=new h.span(e,t);w(a);if(i){a.style.color=i}return a};var k=function(e){var t=new h.documentFragment(e);w(t);return t};var m=function(e,t){var i=u([],[new h.symbolNode("\u200b")]);i.style.fontSize=t/e.style.sizeMultiplier+"em";var a=u(["fontsize-ensurer","reset-"+e.size,"size5"],[i]);return a};var f=function(e,t,i,a){var r;var l;var s;if(t==="individualShift"){var p=e;e=[p[0]];r=-p[0].shift-p[0].elem.depth;l=r;for(s=1;s<p.length;s++){var c=-p[s].shift-l-p[s].elem.depth;var n=c-(p[s-1].elem.height+p[s-1].elem.depth);l=l+c;e.push({type:"kern",size:n});e.push(p[s])}}else if(t==="top"){var o=i;for(s=0;s<e.length;s++){if(e[s].type==="kern"){o-=e[s].size}else{o-=e[s].elem.height+e[s].elem.depth}}r=o}else if(t==="bottom"){r=-i}else if(t==="shift"){r=-e[0].elem.depth-i}else if(t==="firstBaseline"){r=-e[0].elem.depth}else{r=0}var g=0;for(s=0;s<e.length;s++){if(e[s].type==="elem"){g=Math.max(g,e[s].elem.maxFontSize)}}var d=m(a,g);var w=[];l=r;for(s=0;s<e.length;s++){if(e[s].type==="kern"){l+=e[s].size}else{var k=e[s].elem;var f=-k.depth-l;l+=k.height+k.depth;var v=u([],[d,k]);v.height-=f;v.depth+=f;v.style.top=f+"em";w.push(v)}}var y=u(["baseline-fix"],[d,new h.symbolNode("\u200b")]);w.push(y);var x=u(["vlist"],w);x.height=Math.max(l,x.height);x.depth=Math.max(-r,x.depth);return x};var v={size1:.5,size2:.7,size3:.8,size4:.9,size5:1,size6:1.2,size7:1.44,size8:1.73,size9:2.07,size10:2.49};var y={"\\qquad":{size:"2em",className:"qquad"},"\\quad":{size:"1em",className:"quad"},"\\enspace":{size:"0.5em",className:"enspace"},"\\;":{size:"0.277778em",className:"thickspace"},"\\:":{size:"0.22222em",className:"mediumspace"},"\\,":{size:"0.16667em",className:"thinspace"},"\\!":{size:"-0.16667em",className:"negativethinspace"}};var x={mathbf:{variant:"bold",fontName:"Main-Bold"},mathrm:{variant:"normal",fontName:"Main-Regular"},mathbb:{variant:"double-struck",fontName:"AMS-Regular"},mathcal:{variant:"script",fontName:"Caligraphic-Regular"},mathfrak:{variant:"fraktur",fontName:"Fraktur-Regular"},mathscr:{variant:"script",fontName:"Script-Regular"},mathsf:{variant:"sans-serif",fontName:"SansSerif-Regular"},mathtt:{variant:"monospace",fontName:"Typewriter-Regular"}};t.exports={fontMap:x,makeSymbol:c,mathsym:n,makeSpan:u,makeFragment:k,makeVList:f,makeOrd:d,sizingMultiplier:v,spacingFunctions:y}},{"./domTree":14,"./fontMetrics":16,"./symbols":22,"./utils":23}],10:[function(e,t,i){var h=e("./ParseError");var a=e("./Style");var r=e("./buildCommon");var l=e("./delimiter");var s=e("./domTree");var p=e("./fontMetrics");var c=e("./utils");var n=r.makeSpan;var o=function(e,t,i){var h=[];for(var a=0;a<e.length;a++){var r=e[a];h.push(v(r,t,i));i=r}return h};var g={mathord:"mord",textord:"mord",bin:"mbin",rel:"mrel",text:"mord",open:"mopen",close:"mclose",inner:"minner",genfrac:"mord",array:"mord",spacing:"mord",punct:"mpunct",ordgroup:"mord",op:"mop",katex:"mord",overline:"mord",rule:"mord",leftright:"minner",sqrt:"mord",accent:"mord"};var d=function(e){if(e==null){return g.mathord}else if(e.type==="supsub"){return d(e.value.base)}else if(e.type==="llap"||e.type==="rlap"){return d(e.value)}else if(e.type==="color"){return d(e.value.value)}else if(e.type==="sizing"){return d(e.value.value)}else if(e.type==="styling"){return d(e.value.value)}else if(e.type==="delimsizing"){return g[e.value.delimType]}else{return g[e.type]}};var w=function(e,t){if(!e){return false}else if(e.type==="op"){return e.value.limits&&(t.style.size===a.DISPLAY.size||e.value.alwaysHandleSupSub)}else if(e.type==="accent"){return k(e.value.base)}else{return null}};var u=function(e){if(!e){return false}else if(e.type==="ordgroup"){if(e.value.length===1){return u(e.value[0])}else{return e}}else if(e.type==="color"){if(e.value.value.length===1){return u(e.value.value[0])}else{return e}}else{return e}};var k=function(e){var t=u(e);return t.type==="mathord"||t.type==="textord"||t.type==="bin"||t.type==="rel"||t.type==="inner"||t.type==="open"||t.type==="close"||t.type==="punct"};var m=function(e){return n(["sizing","reset-"+e.size,"size5",e.style.reset(),a.TEXT.cls(),"nulldelimiter"])};var f={mathord:function(e,t,i){return r.makeOrd(e,t,"mathord")},textord:function(e,t,i){return r.makeOrd(e,t,"textord")},bin:function(e,t,i){var h="mbin";var a=i;while(a&&a.type==="color"){var l=a.value.value;a=l[l.length-1]}if(!i||c.contains(["mbin","mopen","mrel","mop","mpunct"],d(a))){e.type="textord";h="mord"}return r.mathsym(e.value,e.mode,t.getColor(),[h])},rel:function(e,t,i){return r.mathsym(e.value,e.mode,t.getColor(),["mrel"])},open:function(e,t,i){return r.mathsym(e.value,e.mode,t.getColor(),["mopen"])},close:function(e,t,i){return r.mathsym(e.value,e.mode,t.getColor(),["mclose"])},inner:function(e,t,i){return r.mathsym(e.value,e.mode,t.getColor(),["minner"])},punct:function(e,t,i){return r.mathsym(e.value,e.mode,t.getColor(),["mpunct"])},ordgroup:function(e,t,i){return n(["mord",t.style.cls()],o(e.value,t.reset()))},text:function(e,t,i){return n(["text","mord",t.style.cls()],o(e.value.body,t.reset()))},color:function(e,t,i){var h=o(e.value.value,t.withColor(e.value.color),i);return new r.makeFragment(h)},supsub:function(e,t,i){if(w(e.value.base,t)){return f[e.value.base.type](e,t,i)}var h=v(e.value.base,t.reset());var l,c,o,g;if(e.value.sup){o=v(e.value.sup,t.withStyle(t.style.sup()));l=n([t.style.reset(),t.style.sup().cls()],[o])}if(e.value.sub){g=v(e.value.sub,t.withStyle(t.style.sub()));c=n([t.style.reset(),t.style.sub().cls()],[g])}var u,m;if(k(e.value.base)){u=0;m=0}else{u=h.height-p.metrics.supDrop;m=h.depth+p.metrics.subDrop}var y;if(t.style===a.DISPLAY){y=p.metrics.sup1}else if(t.style.cramped){y=p.metrics.sup3}else{y=p.metrics.sup2}var x=a.TEXT.sizeMultiplier*t.style.sizeMultiplier;var b=.5/p.metrics.ptPerEm/x+"em";var z;if(!e.value.sup){m=Math.max(m,p.metrics.sub1,g.height-.8*p.metrics.xHeight);z=r.makeVList([{type:"elem",elem:c}],"shift",m,t);z.children[0].style.marginRight=b;if(h instanceof s.symbolNode){z.children[0].style.marginLeft=-h.italic+"em"}}else if(!e.value.sub){u=Math.max(u,y,o.depth+.25*p.metrics.xHeight);z=r.makeVList([{type:"elem",elem:l}],"shift",-u,t);z.children[0].style.marginRight=b}else{u=Math.max(u,y,o.depth+.25*p.metrics.xHeight);m=Math.max(m,p.metrics.sub2);var S=p.metrics.defaultRuleThickness;if(u-o.depth-(g.height-m)<4*S){m=4*S-(u-o.depth)+g.height;var M=.8*p.metrics.xHeight-(u-o.depth);if(M>0){u+=M;m-=M}}z=r.makeVList([{type:"elem",elem:c,shift:m},{type:"elem",elem:l,shift:-u}],"individualShift",null,t);if(h instanceof s.symbolNode){z.children[0].style.marginLeft=-h.italic+"em"}z.children[0].style.marginRight=b;z.children[1].style.marginRight=b}return n([d(e.value.base)],[h,z])},genfrac:function(e,t,i){var h=t.style;if(e.value.size==="display"){h=a.DISPLAY}else if(e.value.size==="text"){h=a.TEXT}var s=h.fracNum();var c=h.fracDen();var o=v(e.value.numer,t.withStyle(s));var g=n([h.reset(),s.cls()],[o]);var d=v(e.value.denom,t.withStyle(c));var w=n([h.reset(),c.cls()],[d]);var u;if(e.value.hasBarLine){u=p.metrics.defaultRuleThickness/t.style.sizeMultiplier}else{u=0}var k;var f;var y;if(h.size===a.DISPLAY.size){k=p.metrics.num1;if(u>0){f=3*u}else{f=7*p.metrics.defaultRuleThickness}y=p.metrics.denom1}else{if(u>0){k=p.metrics.num2;f=u}else{k=p.metrics.num3;f=3*p.metrics.defaultRuleThickness}y=p.metrics.denom2}var x;if(u===0){var b=k-o.depth-(d.height-y);if(b<f){k+=.5*(f-b);y+=.5*(f-b)}x=r.makeVList([{type:"elem",elem:w,shift:y},{type:"elem",elem:g,shift:-k}],"individualShift",null,t)}else{var z=p.metrics.axisHeight;if(k-o.depth-(z+.5*u)<f){k+=f-(k-o.depth-(z+.5*u))}if(z-.5*u-(d.height-y)<f){y+=f-(z-.5*u-(d.height-y))}var S=n([t.style.reset(),a.TEXT.cls(),"frac-line"]);S.height=u;var M=-(z-.5*u);x=r.makeVList([{type:"elem",elem:w,shift:y},{type:"elem",elem:S,shift:M},{type:"elem",elem:g,shift:-k}],"individualShift",null,t)}x.height*=h.sizeMultiplier/t.style.sizeMultiplier;x.depth*=h.sizeMultiplier/t.style.sizeMultiplier;var q;if(h.size===a.DISPLAY.size){q=p.metrics.delim1}else{q=p.metrics.getDelim2(h)}var A,T;if(e.value.leftDelim==null){A=m(t)}else{A=l.customSizedDelim(e.value.leftDelim,q,true,t.withStyle(h),e.mode)}if(e.value.rightDelim==null){T=m(t)}else{T=l.customSizedDelim(e.value.rightDelim,q,true,t.withStyle(h),e.mode)}return n(["mord",t.style.reset(),h.cls()],[A,n(["mfrac"],[x]),T],t.getColor())},array:function(e,t,i){var a,l;var s=e.value.body.length;var o=0;var g=new Array(s);var d=1/p.metrics.ptPerEm;var w=5*d;var u=12*d;var k=c.deflt(e.value.arraystretch,1);var m=k*u;var f=.7*m;var y=.3*m;var x=0;for(a=0;a<e.value.body.length;++a){var b=e.value.body[a];var z=f;var S=y;if(o<b.length){o=b.length}var M=new Array(b.length);for(l=0;l<b.length;++l){var q=v(b[l],t);if(S<q.depth){S=q.depth}if(z<q.height){z=q.height}M[l]=q}var A=0;if(e.value.rowGaps[a]){A=e.value.rowGaps[a].value;switch(A.unit){case"em":A=A.number;break;case"ex":A=A.number*p.metrics.emPerEx;break;default:console.error("Can't handle unit "+A.unit);A=0}if(A>0){A+=y;if(S<A){S=A}A=0}}M.height=z;M.depth=S;x+=z;M.pos=x;x+=S+A;g[a]=M}var T=x/2+p.metrics.axisHeight;var N=e.value.cols||[];var C=[];var R;var E;for(l=0,E=0;l<o||E<N.length;++l,++E){var P=N[E]||{};var D=true;while(P.type==="separator"){if(!D){R=n(["arraycolsep"],[]);R.style.width=p.metrics.doubleRuleSep+"em";C.push(R)}if(P.separator==="|"){var L=n(["vertical-separator"],[]);L.style.height=x+"em";L.style.verticalAlign=-(x-T)+"em";C.push(L)}else{throw new h("Invalid separator type: 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h=n(["inner"],[v(e.value.body,t.reset())]);var a=n(["fix"],[]);return n(["rlap",t.style.cls()],[h,a])},op:function(e,t,i){var h;var l;var s=false;if(e.type==="supsub"){h=e.value.sup;l=e.value.sub;e=e.value.base;s=true}var o=["\\smallint"];var g=false;if(t.style.size===a.DISPLAY.size&&e.value.symbol&&!c.contains(o,e.value.body)){g=true}var d;var w=0;var u=0;if(e.value.symbol){var k=g?"Size2-Regular":"Size1-Regular";d=r.makeSymbol(e.value.body,k,"math",t.getColor(),["op-symbol",g?"large-op":"small-op","mop"]);w=(d.height-d.depth)/2-p.metrics.axisHeight*t.style.sizeMultiplier;u=d.italic}else{var m=[];for(var f=1;f<e.value.body.length;f++){m.push(r.mathsym(e.value.body[f],e.mode))}d=n(["mop"],m,t.getColor())}if(s){d=n([],[d]);var y,x,b,z;if(h){var S=v(h,t.withStyle(t.style.sup()));y=n([t.style.reset(),t.style.sup().cls()],[S]);x=Math.max(p.metrics.bigOpSpacing1,p.metrics.bigOpSpacing3-S.depth)}if(l){var 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n(["mop","op-limits"],[q])}else{if(e.value.symbol){d.style.top=w+"em"}return d}},katex:function(e,t,i){var h=n(["k"],[r.mathsym("K",e.mode)]);var a=n(["a"],[r.mathsym("A",e.mode)]);a.height=(a.height+.2)*.75;a.depth=(a.height-.2)*.75;var l=n(["t"],[r.mathsym("T",e.mode)]);var s=n(["e"],[r.mathsym("E",e.mode)]);s.height=s.height-.2155;s.depth=s.depth+.2155;var p=n(["x"],[r.mathsym("X",e.mode)]);return n(["katex-logo","mord"],[h,a,l,s,p],t.getColor())},overline:function(e,t,i){var h=v(e.value.body,t.withStyle(t.style.cramp()));var l=p.metrics.defaultRuleThickness/t.style.sizeMultiplier;var s=n([t.style.reset(),a.TEXT.cls(),"overline-line"]);s.height=l;s.maxFontSize=1;var c=r.makeVList([{type:"elem",elem:h},{type:"kern",size:3*l},{type:"elem",elem:s},{type:"kern",size:l}],"firstBaseline",null,t);return n(["overline","mord"],[c],t.getColor())},sqrt:function(e,t,i){var h=v(e.value.body,t.withStyle(t.style.cramp()));var s=p.metrics.defaultRuleThickness/t.style.sizeMultiplier;var c=n([t.style.reset(),a.TEXT.cls(),"sqrt-line"],[],t.getColor());c.height=s;c.maxFontSize=1;var o=s;if(t.style.id<a.TEXT.id){o=p.metrics.xHeight}var g=s+o/4;var d=(h.height+h.depth)*t.style.sizeMultiplier;var w=d+g+s;var u=n(["sqrt-sign"],[l.customSizedDelim("\\surd",w,false,t,e.mode)],t.getColor());var k=u.height+u.depth-s;if(k>h.height+h.depth+g){g=(g+k-h.height-h.depth)/2}var m=-(h.height+g+s)+u.height;u.style.top=m+"em";u.height-=m;u.depth+=m;var f;if(h.height===0&&h.depth===0){f=n()}else{f=r.makeVList([{type:"elem",elem:h},{type:"kern",size:g},{type:"elem",elem:c},{type:"kern",size:s}],"firstBaseline",null,t)}if(!e.value.index){return n(["sqrt","mord"],[u,f])}else{var y=v(e.value.index,t.withStyle(a.SCRIPTSCRIPT));var x=n([t.style.reset(),a.SCRIPTSCRIPT.cls()],[y]);var b=Math.max(u.height,f.height);var z=Math.max(u.depth,f.depth);var S=.6*(b-z);var M=r.makeVList([{type:"elem",elem:x}],"shift",-S,t);var q=n(["root"],[M]);return n(["sqrt","mord"],[q,u,f])}},sizing:function(e,t,i){var h=o(e.value.value,t.withSize(e.value.size),i);var a=n(["mord"],[n(["sizing","reset-"+t.size,e.value.size,t.style.cls()],h)]);var l=r.sizingMultiplier[e.value.size];a.maxFontSize=l*t.style.sizeMultiplier;
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a=0;if(e.value.shift){a=e.value.shift.number;if(e.value.shift.unit==="ex"){a*=p.metrics.xHeight}}var r=e.value.width.number;if(e.value.width.unit==="ex"){r*=p.metrics.xHeight}var l=e.value.height.number;if(e.value.height.unit==="ex"){l*=p.metrics.xHeight}a/=t.style.sizeMultiplier;r/=t.style.sizeMultiplier;l/=t.style.sizeMultiplier;h.style.borderRightWidth=r+"em";h.style.borderTopWidth=l+"em";h.style.bottom=a+"em";h.width=r;h.height=l+a;h.depth=-a;return h},accent:function(e,t,i){var h=e.value.base;var a;if(e.type==="supsub"){var l=e;e=l.value.base;h=e.value.base;l.value.base=h;a=v(l,t.reset(),i)}var s=v(h,t.withStyle(t.style.cramp()));var c;if(k(h)){var o=u(h);var g=v(o,t.withStyle(t.style.cramp()));c=g.skew}else{c=0}var d=Math.min(s.height,p.metrics.xHeight);var w=r.makeSymbol(e.value.accent,"Main-Regular","math",t.getColor());w.italic=0;var m=e.value.accent==="\\vec"?"accent-vec":null;var f=n(["accent-body",m],[n([],[w])]);f=r.makeVList([{type:"elem",elem:s},{type:"kern",size:-d},{type:"elem",elem:f}],"firstBaseline",null,t);f.children[1].style.marginLeft=2*c+"em";var y=n(["mord","accent"],[f]);if(a){a.children[0]=y;a.height=Math.max(y.height,a.height);a.classes[0]="mord";return a}else{return y}},phantom:function(e,t,i){var h=o(e.value.value,t.withPhantom(),i);return new r.makeFragment(h)}};var v=function(e,t,i){if(!e){return n()}if(f[e.type]){var a=f[e.type](e,t,i);var l;if(t.style!==t.parentStyle){l=t.style.sizeMultiplier/t.parentStyle.sizeMultiplier;a.height*=l;a.depth*=l}if(t.size!==t.parentSize){l=r.sizingMultiplier[t.size]/r.sizingMultiplier[t.parentSize];a.height*=l;a.depth*=l}return a}else{throw new h("Got group of unknown type: '"+e.type+"'")}};var y=function(e,t){e=JSON.parse(JSON.stringify(e));var i=o(e,t);var h=n(["base",t.style.cls()],i);var a=n(["strut"]);var r=n(["strut","bottom"]);a.style.height=h.height+"em";r.style.height=h.height+h.depth+"em";r.style.verticalAlign=-h.depth+"em";var l=n(["katex-html"],[a,r,h]);l.setAttribute("aria-hidden","true");return l};t.exports=y},{"./ParseError":5,"./Style":8,"./buildCommon":9,"./delimiter":13,"./domTree":14,"./fontMetrics":16,"./utils":23}],11:[function(e,t,i){var h=e("./buildCommon");var a=e("./fontMetrics");var r=e("./mathMLTree");var l=e("./ParseError");var s=e("./symbols");var p=e("./utils");var c=h.makeSpan;var n=h.fontMap;var o=function(e,t){if(s[t][e]&&s[t][e].replace){e=s[t][e].replace}return new r.TextNode(e)};var g=function(e,t){var i=t.font;if(!i){return null}var h=e.mode;if(i==="mathit"){return"italic"}var r=e.value;if(p.contains(["\\imath","\\jmath"],r)){return null}if(s[h][r]&&s[h][r].replace){r=s[h][r].replace}var l=n[i].fontName;if(a.getCharacterMetrics(r,l)){return n[t.font].variant}return null};var d={mathord:function(e,t){var i=new r.MathNode("mi",[o(e.value,e.mode)]);var 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h=new r.MathNode("mstyle",i);h.setAttribute("mathcolor",e.value.color);return h},supsub:function(e,t){var i=[u(e.value.base,t)];if(e.value.sub){i.push(u(e.value.sub,t))}if(e.value.sup){i.push(u(e.value.sup,t))}var h;if(!e.value.sub){h="msup"}else if(!e.value.sup){h="msub"}else{h="msubsup"}var a=new r.MathNode(h,i);return a},genfrac:function(e,t){var i=new r.MathNode("mfrac",[u(e.value.numer,t),u(e.value.denom,t)]);if(!e.value.hasBarLine){i.setAttribute("linethickness","0px")}if(e.value.leftDelim!=null||e.value.rightDelim!=null){var h=[];if(e.value.leftDelim!=null){var a=new r.MathNode("mo",[new r.TextNode(e.value.leftDelim)]);a.setAttribute("fence","true");h.push(a)}h.push(i);if(e.value.rightDelim!=null){var l=new r.MathNode("mo",[new r.TextNode(e.value.rightDelim)]);l.setAttribute("fence","true");h.push(l)}var s=new r.MathNode("mrow",h);return s}return i},array:function(e,t){return new r.MathNode("mtable",e.value.body.map(function(e){return new r.MathNode("mtr",e.map(function(e){return new r.MathNode("mtd",[u(e,t)])}))}))},sqrt:function(e,t){var i;if(e.value.index){i=new r.MathNode("mroot",[u(e.value.body,t),u(e.value.index,t)])}else{i=new r.MathNode("msqrt",[u(e.value.body,t)])}return i},leftright:function(e,t){var i=w(e.value.body,t);if(e.value.left!=="."){var h=new r.MathNode("mo",[o(e.value.left,e.mode)]);h.setAttribute("fence","true");i.unshift(h)}if(e.value.right!=="."){var a=new r.MathNode("mo",[o(e.value.right,e.mode)]);a.setAttribute("fence","true");i.push(a)}var l=new r.MathNode("mrow",i);return l},accent:function(e,t){var i=new r.MathNode("mo",[o(e.value.accent,e.mode)]);var h=new r.MathNode("mover",[u(e.value.base,t),i]);h.setAttribute("accent","true");return h},spacing:function(e){var t;if(e.value==="\\ "||e.value==="\\space"||e.value===" "||e.value==="~"){t=new r.MathNode("mtext",[new r.TextNode("\xa0")])}else{t=new r.MathNode("mspace");t.setAttribute("width",h.spacingFunctions[e.value].size)}return t},op:function(e){var t;if(e.value.symbol){t=new r.MathNode("mo",[o(e.value.body,e.mode)])}else{t=new r.MathNode("mi",[new r.TextNode(e.value.body.slice(1))])}return t},katex:function(e){var t=new r.MathNode("mtext",[new r.TextNode("KaTeX")]);return t},font:function(e,t){var i=e.value.font;return u(e.value.body,t.withFont(i))},delimsizing:function(e){var t=[];if(e.value.value!=="."){t.push(o(e.value.value,e.mode))}var i=new r.MathNode("mo",t);if(e.value.delimType==="open"||e.value.delimType==="close"){i.setAttribute("fence","true")}else{i.setAttribute("fence","false")}return i},styling:function(e,t){var i=w(e.value.value,t);var h=new r.MathNode("mstyle",i);var a={display:["0","true"],text:["0","false"],script:["1","false"],scriptscript:["2","false"]};var l=a[e.value.style];h.setAttribute("scriptlevel",l[0]);h.setAttribute("displaystyle",l[1]);return h},sizing:function(e,t){var i=w(e.value.value,t);var a=new r.MathNode("mstyle",i);a.setAttribute("mathsize",h.sizingMultiplier[e.value.size]+"em");return a},overline:function(e,t){var i=new r.MathNode("mo",[new r.TextNode("\u203e")]);i.setAttribute("stretchy","true");var h=new r.MathNode("mover",[u(e.value.body,t),i]);h.setAttribute("accent","true");return h},rule:function(e){var t=new r.MathNode("mrow");return t},llap:function(e,t){var i=new r.MathNode("mpadded",[u(e.value.body,t)]);i.setAttribute("lspace","-1width");i.setAttribute("width","0px");return i},rlap:function(e,t){var i=new r.MathNode("mpadded",[u(e.value.body,t)]);i.setAttribute("width","0px");return i},phantom:function(e,t,i){var h=w(e.value.value,t);return new r.MathNode("mphantom",h)}};var w=function(e,t){var i=[];for(var h=0;h<e.length;h++){var a=e[h];i.push(u(a,t))}return i};var u=function(e,t){if(!e){return new r.MathNode("mrow")}if(d[e.type]){return d[e.type](e,t)}else{throw new l("Got group of unknown type: '"+e.type+"'")}};var k=function(e,t,i){var h=w(e,i);var a=new r.MathNode("mrow",h);var l=new r.MathNode("annotation",[new r.TextNode(t)]);l.setAttribute("encoding","application/x-tex");var s=new r.MathNode("semantics",[a,l]);var p=new r.MathNode("math",[s]);return c(["katex-mathml"],[p])};t.exports=k},{"./ParseError":5,"./buildCommon":9,"./fontMetrics":16,"./mathMLTree":19,"./symbols":22,"./utils":23}],12:[function(e,t,i){var h=e("./buildHTML");var a=e("./buildMathML");var r=e("./buildCommon");var l=e("./Options");var s=e("./Settings");var p=e("./Style");var c=r.makeSpan;var n=function(e,t,i){i=i||new s({});var r=p.TEXT;if(i.displayMode){r=p.DISPLAY}var n=new l({style:r,size:"size5"});var o=a(e,t,n);var g=h(e,n);var d=c(["katex"],[o,g]);if(i.displayMode){return c(["katex-display"],[d])}else{return d}};t.exports=n},{"./Options":4,"./Settings":7,"./Style":8,"./buildCommon":9,"./buildHTML":10,"./buildMathML":11}],13:[function(e,t,i){var h=e("./ParseError");var a=e("./Style");var r=e("./buildCommon");var l=e("./fontMetrics");var s=e("./symbols");var p=e("./utils");var c=r.makeSpan;var n=function(e,t){if(s.math[e]&&s.math[e].replace){return l.getCharacterMetrics(s.math[e].replace,t)}else{return l.getCharacterMetrics(e,t)}};var o=function(e,t,i){return r.makeSymbol(e,"Size"+t+"-Regular",i)};var g=function(e,t,i){var h=c(["style-wrap",i.style.reset(),t.cls()],[e]);var a=t.sizeMultiplier/i.style.sizeMultiplier;h.height*=a;h.depth*=a;h.maxFontSize=t.sizeMultiplier;return h};var d=function(e,t,i,h,a){var s=r.makeSymbol(e,"Main-Regular",a);var p=g(s,t,h);if(i){var c=(1-h.style.sizeMultiplier/t.sizeMultiplier)*l.metrics.axisHeight;p.style.top=c+"em";p.height-=c;p.depth+=c}return p};var w=function(e,t,i,h,r){var s=o(e,t,r);var p=g(c(["delimsizing","size"+t],[s],h.getColor()),a.TEXT,h);if(i){var n=(1-h.style.sizeMultiplier)*l.metrics.axisHeight;p.style.top=n+"em";p.height-=n;p.depth+=n}return p};var u=function(e,t,i){var h;if(t==="Size1-Regular"){h="delim-size1"}else if(t==="Size4-Regular"){h="delim-size4"}var a=c(["delimsizinginner",h],[c([],[r.makeSymbol(e,t,i)])]);return{type:"elem",elem:a}};var k=function(e,t,i,h,s){var p,o,d,w;p=d=w=e;o=null;var k="Size1-Regular";if(e==="\\uparrow"){d=w="\u23d0"}else if(e==="\\Uparrow"){d=w="\u2016"}else if(e==="\\downarrow"){p=d="\u23d0"}else if(e==="\\Downarrow"){p=d="\u2016"}else if(e==="\\updownarrow"){p="\\uparrow";d="\u23d0";w="\\downarrow"}else if(e==="\\Updownarrow"){p="\\Uparrow";d="\u2016";w="\\Downarrow"}else if(e==="["||e==="\\lbrack"){p="\u23a1";d="\u23a2";w="\u23a3";k="Size4-Regular"}else if(e==="]"||e==="\\rbrack"){p="\u23a4";d="\u23a5";w="\u23a6";k="Size4-Regular"}else if(e==="\\lfloor"){d=p="\u23a2";w="\u23a3";k="Size4-Regular"}else if(e==="\\lceil"){p="\u23a1";d=w="\u23a2";k="Size4-Regular"}else if(e==="\\rfloor"){d=p="\u23a5";w="\u23a6";k="Size4-Regular"}else if(e==="\\rceil"){p="\u23a4";d=w="\u23a5";k="Size4-Regular"}else if(e==="("){p="\u239b";d="\u239c";w="\u239d";k="Size4-Regular"}else 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E;if(o===null){for(E=0;E<A;E++){R.push(u(d,k,s))}}else{for(E=0;E<A;E++){R.push(u(d,k,s))}R.push(u(o,k,s));for(E=0;E<A;E++){R.push(u(d,k,s))}}R.push(u(p,k,s));var P=r.makeVList(R,"bottom",C,h);return g(c(["delimsizing","mult"],[P],h.getColor()),a.TEXT,h)};var m=["(",")","[","\\lbrack","]","\\rbrack","\\{","\\lbrace","\\}","\\rbrace","\\lfloor","\\rfloor","\\lceil","\\rceil","\\surd"];var f=["\\uparrow","\\downarrow","\\updownarrow","\\Uparrow","\\Downarrow","\\Updownarrow","|","\\|","\\vert","\\Vert","\\lvert","\\rvert","\\lVert","\\rVert","\\lgroup","\\rgroup","\\lmoustache","\\rmoustache"];var v=["<",">","\\langle","\\rangle","/","\\backslash"];var y=[0,1.2,1.8,2.4,3];var x=function(e,t,i,a){if(e==="<"){e="\\langle"}else if(e===">"){e="\\rangle"}if(p.contains(m,e)||p.contains(v,e)){return w(e,t,false,i,a)}else if(p.contains(f,e)){return k(e,y[t],false,i,a)}else{throw new h("Illegal delimiter: '"+e+"'")}};var b=[{type:"small",style:a.SCRIPTSCRIPT},{type:"small",style:a.SCRIPT},{type:"small",style:a.TEXT},{type:"large",size:1},{type:"large",size:2},{type:"large",size:3},{type:"large",size:4}];var z=[{type:"small",style:a.SCRIPTSCRIPT},{type:"small",style:a.SCRIPT},{type:"small",style:a.TEXT},{type:"stack"}];var S=[{type:"small",style:a.SCRIPTSCRIPT},{type:"small",style:a.SCRIPT},{type:"small",style:a.TEXT},{type:"large",size:1},{type:"large",size:2},{type:"large",size:3},{type:"large",size:4},{type:"stack"}];var M=function(e){if(e.type==="small"){return"Main-Regular"}else if(e.type==="large"){return"Size"+e.size+"-Regular"}else if(e.type==="stack"){return"Size4-Regular"}};var q=function(e,t,i,h){var a=Math.min(2,3-h.style.size);for(var r=a;r<i.length;r++){if(i[r].type==="stack"){break}var l=n(e,M(i[r]));var s=l.height+l.depth;if(i[r].type==="small"){s*=i[r].style.sizeMultiplier}if(s>t){return i[r]}}return i[i.length-1]};var A=function(e,t,i,h,a){if(e==="<"){e="\\langle"}else if(e===">"){e="\\rangle"}var r;if(p.contains(v,e)){r=b}else if(p.contains(m,e)){r=S}else{r=z}var l=q(e,t,r,h);if(l.type==="small"){return d(e,l.style,i,h,a)}else if(l.type==="large"){return w(e,l.size,i,h,a)}else if(l.type==="stack"){return k(e,t,i,h,a)}};var T=function(e,t,i,h,a){var r=l.metrics.axisHeight*h.style.sizeMultiplier;var s=901;var p=5/l.metrics.ptPerEm;var c=Math.max(t-r,i+r);var n=Math.max(c/500*s,2*c-p);return A(e,n,true,h,a)};t.exports={sizedDelim:x,customSizedDelim:A,leftRightDelim:T}},{"./ParseError":5,"./Style":8,"./buildCommon":9,"./fontMetrics":16,"./symbols":22,"./utils":23}],14:[function(e,t,i){var h=e("./utils");var a=function(e){e=e.slice();for(var t=e.length-1;t>=0;t--){if(!e[t]){e.splice(t,1)}}return e.join(" ")};function r(e,t,i,h,a,r){this.classes=e||[];this.children=t||[];this.height=i||0;this.depth=h||0;this.maxFontSize=a||0;this.style=r||{};this.attributes={}}r.prototype.setAttribute=function(e,t){this.attributes[e]=t};r.prototype.toNode=function(){var e=document.createElement("span");e.className=a(this.classes);for(var t in this.style){if(Object.prototype.hasOwnProperty.call(this.style,t)){e.style[t]=this.style[t]}}for(var i in this.attributes){if(Object.prototype.hasOwnProperty.call(this.attributes,i)){e.setAttribute(i,this.attributes[i])}}for(var h=0;h<this.children.length;h++){e.appendChild(this.children[h].toNode())}return e};r.prototype.toMarkup=function(){var e="<span";if(this.classes.length){e+=' class="';e+=h.escape(a(this.classes));e+='"'}var t="";for(var i in this.style){if(this.style.hasOwnProperty(i)){t+=h.hyphenate(i)+":"+this.style[i]+";"}}if(t){e+=' style="'+h.escape(t)+'"'}for(var r in this.attributes){if(Object.prototype.hasOwnProperty.call(this.attributes,r)){e+=" "+r+'="';e+=h.escape(this.attributes[r]);e+='"'}}e+=">";for(var l=0;l<this.children.length;l++){e+=this.children[l].toMarkup()}e+="</span>";return e};function l(e,t,i,h){this.children=e||[];this.height=t||0;this.depth=i||0;this.maxFontSize=h||0}l.prototype.toNode=function(){var e=document.createDocumentFragment();for(var t=0;t<this.children.length;t++){e.appendChild(this.children[t].toNode())}return e};l.prototype.toMarkup=function(){var e="";for(var t=0;t<this.children.length;t++){e+=this.children[t].toMarkup()}return e};function s(e,t,i,h,a,r,l){this.value=e||"";this.height=t||0;this.depth=i||0;this.italic=h||0;this.skew=a||0;this.classes=r||[];this.style=l||{};this.maxFontSize=0}s.prototype.toNode=function(){var e=document.createTextNode(this.value);var t=null;if(this.italic>0){t=document.createElement("span");t.style.marginRight=this.italic+"em"}if(this.classes.length>0){t=t||document.createElement("span");t.className=a(this.classes)}for(var i in this.style){if(this.style.hasOwnProperty(i)){t=t||document.createElement("span");t.style[i]=this.style[i]}}if(t){t.appendChild(e);return t}else{return e}};s.prototype.toMarkup=function(){var e=false;var t="<span";if(this.classes.length){e=true;t+=' class="';t+=h.escape(a(this.classes));t+='"'}var i="";if(this.italic>0){i+="margin-right:"+this.italic+"em;"}for(var r in this.style){if(this.style.hasOwnProperty(r)){i+=h.hyphenate(r)+":"+this.style[r]+";"}}if(i){e=true;t+=' style="'+h.escape(i)+'"'}var l=h.escape(this.value);if(e){t+=">";t+=l;t+="</span>";return t}else{return l}};t.exports={span:r,documentFragment:l,symbolNode:s}},{"./utils":23}],15:[function(e,t,i){var h=e("./fontMetrics");var a=e("./parseData");var r=e("./ParseError");var l=a.ParseNode;var s=a.ParseResult;function p(e,t,i,h){var a=[],p=[a],c=[];while(true){var n=e.parseExpression(t,i,false,null);a.push(new l("ordgroup",n.result,i));t=n.position;var o=n.peek.text;if(o==="&"){t=n.peek.position}else if(o==="\\end"){break}else if(o==="\\\\"||o==="\\cr"){var g=e.parseFunction(t,i);c.push(g.result.value.size);t=g.position;a=[];p.push(a)}else{throw new r("Expected & or \\\\ or 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'"+this.nextToken.text+"'",this.lexer,this.nextToken.position)}if(t!==false){this.consume()}};p.prototype.consume=function(){this.pos=this.nextToken.position;this.nextToken=this.lexer.lex(this.pos,this.mode)};p.prototype.parse=function(){this.mode="math";this.pos=0;this.nextToken=this.lexer.lex(this.pos,this.mode);var e=this.parseInput();return e};p.prototype.parseInput=function(){var e=this.parseExpression(false);this.expect("EOF",false);return e};var v=["}","\\end","\\right","&","\\\\","\\cr"];p.prototype.parseExpression=function(e,t){var r=[];while(true){var a=this.nextToken;var i=this.pos;if(v.indexOf(a.text)!==-1){break}if(t&&a.text===t){break}var n=this.parseAtom();if(!n){if(!this.settings.throwOnError&&a.text[0]==="\\"){var s=this.handleUnsupportedCmd();r.push(s);i=a.position;continue}break}if(e&&n.type==="infix"){this.pos=i;this.nextToken=a;break}r.push(n)}return this.handleInfixNodes(r)};p.prototype.handleInfixNodes=function(e){var t=-1;var r;for(var a=0;a<e.length;a++){var i=e[a];if(i.type==="infix"){if(t!==-1){throw new u("only one infix operator per group",this.lexer,-1)}t=a;r=i.value.replaceWith}}if(t!==-1){var n;var s;var l=e.slice(0,t);var o=e.slice(t+1);if(l.length===1&&l[0].type==="ordgroup"){n=l[0]}else{n=new h("ordgroup",l,this.mode)}if(o.length===1&&o[0].type==="ordgroup"){s=o[0]}else{s=new h("ordgroup",o,this.mode)}var p=this.callFunction(r,[n,s],null);return[new h(p.type,p,this.mode)]}else{return e}};var m=1;p.prototype.handleSupSubscript=function(e){var t=this.nextToken.text;var r=this.pos;this.consume();var i=this.parseGroup();if(!i){if(!this.settings.throwOnError&&this.nextToken.text[0]==="\\"){return this.handleUnsupportedCmd()}else{throw new u("Expected group after '"+t+"'",this.lexer,r+1)}}else if(i.isFunction){var n=a[i.result].greediness;if(n>m){return this.parseFunction(i)}else{throw new u("Got function '"+i.result+"' with no arguments "+"as "+e,this.lexer,r+1)}}else{return i.result}};p.prototype.handleUnsupportedCmd=function(){var e=this.nextToken.text;var t=[];for(var r=0;r<e.length;r++){t.push(new h("textord",e[r],"text"))}var a=new h("text",{body:t,type:"text"},this.mode);var i=new h("color",{color:this.settings.errorColor,value:[a],type:"color"},this.mode);this.consume();return i};p.prototype.parseAtom=function(){var e=this.parseImplicitGroup();if(this.mode==="text"){return e}var t;var r;while(true){var a=this.nextToken;if(a.text==="\\limits"||a.text==="\\nolimits"){if(!e||e.type!=="op"){throw new u("Limit controls must follow a math operator",this.lexer,this.pos)}else{var i=a.text==="\\limits";e.value.limits=i;e.value.alwaysHandleSupSub=true}this.consume()}else if(a.text==="^"){if(t){throw new u("Double superscript",this.lexer,this.pos)}t=this.handleSupSubscript("superscript")}else if(a.text==="_"){if(r){throw new u("Double subscript",this.lexer,this.pos)}r=this.handleSupSubscript("subscript")}else if(a.text==="'"){var n=new h("textord","\\prime",this.mode);var s=[n];this.consume();while(this.nextToken.text==="'"){s.push(n);this.consume()}t=new h("ordgroup",s,this.mode)}else{break}}if(t||r){return new h("supsub",{base:e,sup:t,sub:r},this.mode)}else{return e}};var f=["\\tiny","\\scriptsize","\\footnotesize","\\small","\\normalsize","\\large","\\Large","\\LARGE","\\huge","\\Huge"];var d=["\\displaystyle","\\textstyle","\\scriptstyle","\\scriptscriptstyle"];p.prototype.parseImplicitGroup=function(){var e=this.parseSymbol();if(e==null){return this.parseFunction()}var t=e.result;var r;if(t==="\\left"){var a=this.parseFunction(e);r=this.parseExpression(false);this.expect("\\right",false);var n=this.parseFunction();return new h("leftright",{body:r,left:a.value.value,right:n.value.value},this.mode)}else if(t==="\\begin"){var s=this.parseFunction(e);var o=s.value.name;if(!i.hasOwnProperty(o)){throw new u("No such environment: "+o,this.lexer,s.value.namepos)}var p=i[o];var c=this.parseArguments("\\begin{"+o+"}",p);var v={mode:this.mode,envName:o,parser:this,lexer:this.lexer,positions:c.pop()};var m=p.handler(v,c);this.expect("\\end",false);var g=this.parseFunction();if(g.value.name!==o){throw new u("Mismatch: \\begin{"+o+"} matched "+"by \\end{"+g.value.name+"}",this.lexer)}m.position=g.position;return m}else if(l.contains(f,t)){r=this.parseExpression(false);return new h("sizing",{size:"size"+(l.indexOf(f,t)+1),value:r},this.mode)}else if(l.contains(d,t)){r=this.parseExpression(true);return new h("styling",{style:t.slice(1,t.length-5),value:r},this.mode)}else{return this.parseFunction(e)}};p.prototype.parseFunction=function(e){if(!e){e=this.parseGroup()}if(e){if(e.isFunction){var t=e.result;var r=a[t];if(this.mode==="text"&&!r.allowedInText){throw new u("Can't use function '"+t+"' in text mode",this.lexer,e.position)}var i=this.parseArguments(t,r);var n=this.callFunction(t,i,i.pop());return new h(n.type,n,this.mode)}else{return e.result}}else{return null}};p.prototype.callFunction=function(e,t,r){var i={funcName:e,parser:this,lexer:this.lexer,positions:r};return a[e].handler(i,t)};p.prototype.parseArguments=function(e,t){var r=t.numArgs+t.numOptionalArgs;if(r===0){return[[this.pos]]}var i=t.greediness;var n=[this.pos];var s=[];for(var l=0;l<r;l++){var o=t.argTypes&&t.argTypes[l];var p;if(l<t.numOptionalArgs){if(o){p=this.parseSpecialGroup(o,true)}else{p=this.parseOptionalGroup()}if(!p){s.push(null);n.push(this.pos);continue}}else{if(o){p=this.parseSpecialGroup(o)}else{p=this.parseGroup()}if(!p){if(!this.settings.throwOnError&&this.nextToken.text[0]==="\\"){p=new c(this.handleUnsupportedCmd(this.nextToken.text),false)}else{throw new u("Expected group after '"+e+"'",this.lexer,this.pos)}}}var h;if(p.isFunction){var v=a[p.result].greediness;if(v>i){h=this.parseFunction(p)}else{throw new u("Got function '"+p.result+"' as "+"argument to '"+e+"'",this.lexer,this.pos-1)}}else{h=p.result}s.push(h);n.push(this.pos)}s.push(n);return s};p.prototype.parseSpecialGroup=function(e,t){var r=this.mode;if(e==="original"){e=r}if(e==="color"||e==="size"){var a=this.nextToken;if(t&&a.text!=="["){return null}this.mode=e;this.expect(t?"[":"{");var i=this.nextToken;this.mode=r;var n;if(e==="color"){n=i.text}else{n=i.data}this.consume();this.expect(t?"]":"}");return new c(new h(e,n,r),false)}else if(e==="text"){var s=this.lexer.lex(this.pos,"whitespace");this.pos=s.position}this.mode=e;this.nextToken=this.lexer.lex(this.pos,e);var l;if(t){l=this.parseOptionalGroup()}else{l=this.parseGroup()}this.mode=r;this.nextToken=this.lexer.lex(this.pos,r);return l};p.prototype.parseGroup=function(){if(this.nextToken.text==="{"){this.consume();var e=this.parseExpression(false);this.expect("}");return new c(new h("ordgroup",e,this.mode),false)}else{return this.parseSymbol()}};p.prototype.parseOptionalGroup=function(){if(this.nextToken.text==="["){this.consume();var e=this.parseExpression(false,"]");this.expect("]");return new c(new h("ordgroup",e,this.mode),false)}else{return null}};p.prototype.parseSymbol=function(){var e=this.nextToken;if(a[e.text]){this.consume();return new c(e.text,true)}else if(s[this.mode][e.text]){this.consume();return new c(new h(s[this.mode][e.text].group,e.text,this.mode),false)}else{return null}};p.prototype.ParseNode=h;t.exports=p},{"./Lexer":3,"./ParseError":5,"./environments":15,"./functions":18,"./parseData":20,"./symbols":22,"./utils":23}],7:[function(e,t,r){function a(e,t){return e===undefined?t:e}function i(e){e=e||{};this.displayMode=a(e.displayMode,false);this.throwOnError=a(e.throwOnError,true);this.errorColor=a(e.errorColor,"#cc0000")}t.exports=i},{}],8:[function(e,t,r){function a(e,t,r,a){this.id=e;this.size=t;this.cramped=a;this.sizeMultiplier=r}a.prototype.sup=function(){return m[f[this.id]]};a.prototype.sub=function(){return m[d[this.id]]};a.prototype.fracNum=function(){return m[g[this.id]]};a.prototype.fracDen=function(){return m[y[this.id]]};a.prototype.cramp=function(){return m[b[this.id]]};a.prototype.cls=function(){return c[this.size]+(this.cramped?" cramped":" uncramped")};a.prototype.reset=function(){return v[this.size]};var i=0;var n=1;var s=2;var l=3;var o=4;var u=5;var p=6;var h=7;var c=["displaystyle textstyle","textstyle","scriptstyle","scriptscriptstyle"];var v=["reset-textstyle","reset-textstyle","reset-scriptstyle","reset-scriptscriptstyle"];var m=[new a(i,0,1,false),new a(n,0,1,true),new a(s,1,1,false),new a(l,1,1,true),new a(o,2,.7,false),new a(u,2,.7,true),new a(p,3,.5,false),new a(h,3,.5,true)];var f=[o,u,o,u,p,h,p,h];var d=[u,u,u,u,h,h,h,h];var g=[s,l,o,u,p,h,p,h];var y=[l,l,u,u,h,h,h,h];var b=[n,n,l,l,u,u,h,h];t.exports={DISPLAY:m[i],TEXT:m[s],SCRIPT:m[o],SCRIPTSCRIPT:m[p]}},{}],9:[function(e,t,r){var a=e("./domTree");var i=e("./fontMetrics");var n=e("./symbols");var s=e("./utils");var l=["\\Gamma","\\Delta","\\Theta","\\Lambda","\\Xi","\\Pi","\\Sigma","\\Upsilon","\\Phi","\\Psi","\\Omega"];var o=["\u0131","\u0237"];var u=function(e,t,r,s,l){if(n[r][e]&&n[r][e].replace){e=n[r][e].replace}var o=i.getCharacterMetrics(e,t);var u;if(o){u=new a.symbolNode(e,o.height,o.depth,o.italic,o.skew,l)}else{typeof console!=="undefined"&&console.warn("No character metrics for '"+e+"' in style '"+t+"'");u=new a.symbolNode(e,0,0,0,0,l)}if(s){u.style.color=s}return u};var p=function(e,t,r,a){if(e==="\\"||n[t][e].font==="main"){return u(e,"Main-Regular",t,r,a)}else{return u(e,"AMS-Regular",t,r,a.concat(["amsrm"]))}};var h=function(e,t,r,a,i){if(i==="mathord"){return c(e,t,r,a)}else if(i==="textord"){return u(e,"Main-Regular",t,r,a.concat(["mathrm"]))}else{throw new Error("unexpected type: "+i+" in mathDefault")}};var c=function(e,t,r,a){if(/[0-9]/.test(e.charAt(0))||s.contains(o,e)||s.contains(l,e)){return u(e,"Main-Italic",t,r,a.concat(["mainit"]))}else{return u(e,"Math-Italic",t,r,a.concat(["mathit"]))}};var v=function(e,t,r){var a=e.mode;var l=e.value;if(n[a][l]&&n[a][l].replace){l=n[a][l].replace}var p=["mord"];var v=t.getColor();var m=t.font;if(m){if(m==="mathit"||s.contains(o,l)){return c(l,a,v,p)}else{var f=w[m].fontName;if(i.getCharacterMetrics(l,f)){return u(l,f,a,v,p.concat([m]))}else{return h(l,a,v,p,r)}}}else{return h(l,a,v,p,r)}};var m=function(e){var t=0;var r=0;var a=0;if(e.children){for(var i=0;i<e.children.length;i++){if(e.children[i].height>t){t=e.children[i].height}if(e.children[i].depth>r){r=e.children[i].depth}if(e.children[i].maxFontSize>a){a=e.children[i].maxFontSize}}}e.height=t;e.depth=r;e.maxFontSize=a};var f=function(e,t,r){var i=new a.span(e,t);m(i);if(r){i.style.color=r}return i};var d=function(e){var t=new a.documentFragment(e);m(t);return t};var g=function(e,t){var r=f([],[new a.symbolNode("\u200b")]);r.style.fontSize=t/e.style.sizeMultiplier+"em";var i=f(["fontsize-ensurer","reset-"+e.size,"size5"],[r]);return i};var y=function(e,t,r,i){var n;var s;var l;if(t==="individualShift"){var o=e;e=[o[0]];n=-o[0].shift-o[0].elem.depth;s=n;for(l=1;l<o.length;l++){var u=-o[l].shift-s-o[l].elem.depth;var p=u-(o[l-1].elem.height+o[l-1].elem.depth);s=s+u;e.push({type:"kern",size:p});e.push(o[l])}}else if(t==="top"){var h=r;for(l=0;l<e.length;l++){if(e[l].type==="kern"){h-=e[l].size}else{h-=e[l].elem.height+e[l].elem.depth}}n=h}else if(t==="bottom"){n=-r}else if(t==="shift"){n=-e[0].elem.depth-r}else if(t==="firstBaseline"){n=-e[0].elem.depth}else{n=0}var c=0;for(l=0;l<e.length;l++){if(e[l].type==="elem"){c=Math.max(c,e[l].elem.maxFontSize)}}var v=g(i,c);var m=[];s=n;for(l=0;l<e.length;l++){if(e[l].type==="kern"){s+=e[l].size}else{var d=e[l].elem;var y=-d.depth-s;s+=d.height+d.depth;var b=f([],[v,d]);b.height-=y;b.depth+=y;b.style.top=y+"em";m.push(b)}}var x=f(["baseline-fix"],[v,new a.symbolNode("\u200b")]);m.push(x);var w=f(["vlist"],m);w.height=Math.max(s,w.height);w.depth=Math.max(-n,w.depth);return w};var b={size1:.5,size2:.7,size3:.8,size4:.9,size5:1,size6:1.2,size7:1.44,size8:1.73,size9:2.07,size10:2.49};var x={"\\qquad":{size:"2em",className:"qquad"},"\\quad":{size:"1em",className:"quad"},"\\enspace":{size:"0.5em",className:"enspace"},"\\;":{size:"0.277778em",className:"thickspace"},"\\:":{size:"0.22222em",className:"mediumspace"},"\\,":{size:"0.16667em",className:"thinspace"},"\\!":{size:"-0.16667em",className:"negativethinspace"}};var w={mathbf:{variant:"bold",fontName:"Main-Bold"},mathrm:{variant:"normal",fontName:"Main-Regular"},mathbb:{variant:"double-struck",fontName:"AMS-Regular"},mathcal:{variant:"script",fontName:"Caligraphic-Regular"},mathfrak:{variant:"fraktur",fontName:"Fraktur-Regular"},mathscr:{variant:"script",fontName:"Script-Regular"},mathsf:{variant:"sans-serif",fontName:"SansSerif-Regular"},mathtt:{variant:"monospace",fontName:"Typewriter-Regular"}};t.exports={fontMap:w,makeSymbol:u,mathsym:p,makeSpan:f,makeFragment:d,makeVList:y,makeOrd:v,sizingMultiplier:b,spacingFunctions:x}},{"./domTree":14,"./fontMetrics":16,"./symbols":22,"./utils":23}],10:[function(e,t,r){var a=e("./ParseError");var i=e("./Style");var n=e("./buildCommon");var s=e("./delimiter");var l=e("./domTree");var o=e("./fontMetrics");var u=e("./utils");var p=n.makeSpan;var h=function(e,t,r){var a=[];for(var i=0;i<e.length;i++){var n=e[i];a.push(b(n,t,r));r=n}return a};var c={mathord:"mord",textord:"mord",bin:"mbin",rel:"mrel",text:"mord",open:"mopen",close:"mclose",inner:"minner",genfrac:"mord",array:"mord",spacing:"mord",punct:"mpunct",ordgroup:"mord",op:"mop",katex:"mord",overline:"mord",underline:"mord",rule:"mord",leftright:"minner",sqrt:"mord",accent:"mord"};var v=function(e){if(e==null){return c.mathord}else if(e.type==="supsub"){return v(e.value.base)}else if(e.type==="llap"||e.type==="rlap"){return v(e.value)}else if(e.type==="color"){return v(e.value.value)}else if(e.type==="sizing"){return v(e.value.value)}else if(e.type==="styling"){return v(e.value.value)}else if(e.type==="delimsizing"){return c[e.value.delimType]}else{return c[e.type]}};var m=function(e,t){if(!e){return false}else if(e.type==="op"){return e.value.limits&&(t.style.size===i.DISPLAY.size||e.value.alwaysHandleSupSub)}else if(e.type==="accent"){return d(e.value.base)}else{return null}};var f=function(e){if(!e){return false}else if(e.type==="ordgroup"){if(e.value.length===1){return f(e.value[0])}else{return e}}else if(e.type==="color"){if(e.value.value.length===1){return f(e.value.value[0])}else{return e}}else{return e}};var d=function(e){var t=f(e);return t.type==="mathord"||t.type==="textord"||t.type==="bin"||t.type==="rel"||t.type==="inner"||t.type==="open"||t.type==="close"||t.type==="punct"};var g=function(e){return p(["sizing","reset-"+e.size,"size5",e.style.reset(),i.TEXT.cls(),"nulldelimiter"])};var y={};y.mathord=function(e,t,r){return n.makeOrd(e,t,"mathord")};y.textord=function(e,t,r){return n.makeOrd(e,t,"textord")};y.bin=function(e,t,r){var a="mbin";var i=r;while(i&&i.type==="color"){var s=i.value.value;i=s[s.length-1]}if(!r||u.contains(["mbin","mopen","mrel","mop","mpunct"],v(i))){e.type="textord";a="mord"}return n.mathsym(e.value,e.mode,t.getColor(),[a])};y.rel=function(e,t,r){return n.mathsym(e.value,e.mode,t.getColor(),["mrel"])};y.open=function(e,t,r){return n.mathsym(e.value,e.mode,t.getColor(),["mopen"])};y.close=function(e,t,r){return n.mathsym(e.value,e.mode,t.getColor(),["mclose"])};y.inner=function(e,t,r){return n.mathsym(e.value,e.mode,t.getColor(),["minner"])};y.punct=function(e,t,r){return n.mathsym(e.value,e.mode,t.getColor(),["mpunct"])};y.ordgroup=function(e,t,r){return p(["mord",t.style.cls()],h(e.value,t.reset()))};y.text=function(e,t,r){return p(["text","mord",t.style.cls()],h(e.value.body,t.reset()))};y.color=function(e,t,r){var a=h(e.value.value,t.withColor(e.value.color),r);return new n.makeFragment(a)};y.supsub=function(e,t,r){if(m(e.value.base,t)){return y[e.value.base.type](e,t,r)}var a=b(e.value.base,t.reset());var s;var u;var h;var c;if(e.value.sup){h=b(e.value.sup,t.withStyle(t.style.sup()));s=p([t.style.reset(),t.style.sup().cls()],[h])}if(e.value.sub){c=b(e.value.sub,t.withStyle(t.style.sub()));u=p([t.style.reset(),t.style.sub().cls()],[c])}var f;var g;if(d(e.value.base)){f=0;g=0}else{f=a.height-o.metrics.supDrop;g=a.depth+o.metrics.subDrop}var x;if(t.style===i.DISPLAY){x=o.metrics.sup1}else if(t.style.cramped){x=o.metrics.sup3}else{x=o.metrics.sup2}var w=i.TEXT.sizeMultiplier*t.style.sizeMultiplier;var k=.5/o.metrics.ptPerEm/w+"em";var z;if(!e.value.sup){g=Math.max(g,o.metrics.sub1,c.height-.8*o.metrics.xHeight);z=n.makeVList([{type:"elem",elem:u}],"shift",g,t);z.children[0].style.marginRight=k;if(a instanceof l.symbolNode){z.children[0].style.marginLeft=-a.italic+"em"}}else if(!e.value.sub){f=Math.max(f,x,h.depth+.25*o.metrics.xHeight);z=n.makeVList([{type:"elem",elem:s}],"shift",-f,t);z.children[0].style.marginRight=k}else{f=Math.max(f,x,h.depth+.25*o.metrics.xHeight);g=Math.max(g,o.metrics.sub2);var S=o.metrics.defaultRuleThickness;if(f-h.depth-(c.height-g)<4*S){g=4*S-(f-h.depth)+c.height;var 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o;if(e.value.left==="."){o=g(t)}else{o=s.leftRightDelim(e.value.left,i,n,t,e.mode)}a.unshift(o);var u;if(e.value.right==="."){u=g(t)}else{u=s.leftRightDelim(e.value.right,i,n,t,e.mode)}a.push(u);return p(["minner",t.style.cls()],a,t.getColor())};y.rule=function(e,t,r){var a=p(["mord","rule"],[],t.getColor());var i=0;if(e.value.shift){i=e.value.shift.number;if(e.value.shift.unit==="ex"){i*=o.metrics.xHeight}}var n=e.value.width.number;if(e.value.width.unit==="ex"){n*=o.metrics.xHeight}var s=e.value.height.number;if(e.value.height.unit==="ex"){s*=o.metrics.xHeight}i/=t.style.sizeMultiplier;n/=t.style.sizeMultiplier;s/=t.style.sizeMultiplier;a.style.borderRightWidth=n+"em";a.style.borderTopWidth=s+"em";a.style.bottom=i+"em";a.width=n;a.height=s+i;a.depth=-i;return a};y.accent=function(e,t,r){var a=e.value.base;var i;if(e.type==="supsub"){var s=e;e=s.value.base;a=e.value.base;s.value.base=a;i=b(s,t.reset(),r)}var l=b(a,t.withStyle(t.style.cramp()));var u;if(d(a)){var h=f(a);var 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n.TextNode(e.value.rightDelim)]);s.setAttribute("fence","true");a.push(s)}var l=new n.MathNode("mrow",a);return l}return r};v.array=function(e,t){return new n.MathNode("mtable",e.value.body.map(function(e){return new n.MathNode("mtr",e.map(function(e){return new n.MathNode("mtd",[f(e,t)])}))}))};v.sqrt=function(e,t){var r;if(e.value.index){r=new n.MathNode("mroot",[f(e.value.body,t),f(e.value.index,t)])}else{r=new n.MathNode("msqrt",[f(e.value.body,t)])}return r};v.leftright=function(e,t){var r=m(e.value.body,t);if(e.value.left!=="."){var a=new n.MathNode("mo",[h(e.value.left,e.mode)]);a.setAttribute("fence","true");r.unshift(a)}if(e.value.right!=="."){var i=new n.MathNode("mo",[h(e.value.right,e.mode)]);i.setAttribute("fence","true");r.push(i)}var s=new n.MathNode("mrow",r);return s};v.accent=function(e,t){var r=new n.MathNode("mo",[h(e.value.accent,e.mode)]);var a=new n.MathNode("mover",[f(e.value.base,t),r]);a.setAttribute("accent","true");return a};v.spacing=function(e){var t;if(e.value==="\\ "||e.value==="\\space"||e.value===" "||e.value==="~"){t=new n.MathNode("mtext",[new n.TextNode("\xa0")])}else{t=new n.MathNode("mspace");t.setAttribute("width",a.spacingFunctions[e.value].size)}return t};v.op=function(e){var t;if(e.value.symbol){t=new n.MathNode("mo",[h(e.value.body,e.mode)])}else{t=new n.MathNode("mi",[new n.TextNode(e.value.body.slice(1))])}return t};v.katex=function(e){var t=new n.MathNode("mtext",[new n.TextNode("KaTeX")]);return t};v.font=function(e,t){var r=e.value.font;return f(e.value.body,t.withFont(r))};v.delimsizing=function(e){var t=[];if(e.value.value!=="."){t.push(h(e.value.value,e.mode))}var r=new n.MathNode("mo",t);if(e.value.delimType==="open"||e.value.delimType==="close"){r.setAttribute("fence","true")}else{r.setAttribute("fence","false")}return r};v.styling=function(e,t){var r=m(e.value.value,t);var a=new n.MathNode("mstyle",r);var i={display:["0","true"],text:["0","false"],script:["1","false"],scriptscript:["2","false"]};var s=i[e.value.style];a.setAttribute("scriptlevel",s[0]);a.setAttribute("displaystyle",s[1]);return a};v.sizing=function(e,t){var r=m(e.value.value,t);var i=new n.MathNode("mstyle",r);i.setAttribute("mathsize",a.sizingMultiplier[e.value.size]+"em");return i};v.overline=function(e,t){var r=new n.MathNode("mo",[new n.TextNode("\u203e")]);r.setAttribute("stretchy","true");var a=new n.MathNode("mover",[f(e.value.body,t),r]);a.setAttribute("accent","true");return a};v.underline=function(e,t){var r=new n.MathNode("mo",[new n.TextNode("\u203e")]);r.setAttribute("stretchy","true");var a=new n.MathNode("munder",[f(e.value.body,t),r]);a.setAttribute("accentunder","true");return a};v.rule=function(e){var t=new n.MathNode("mrow");return t};v.llap=function(e,t){var r=new n.MathNode("mpadded",[f(e.value.body,t)]);r.setAttribute("lspace","-1width");r.setAttribute("width","0px");return r};v.rlap=function(e,t){var r=new n.MathNode("mpadded",[f(e.value.body,t)]);r.setAttribute("width","0px");return r};v.phantom=function(e,t,r){var a=m(e.value.value,t);return new n.MathNode("mphantom",a)};var m=function(e,t){var r=[];for(var a=0;a<e.length;a++){var i=e[a];r.push(f(i,t))}return r};var f=function(e,t){if(!e){return new n.MathNode("mrow")}if(v[e.type]){return v[e.type](e,t)}else{throw new s("Got group of unknown type: '"+e.type+"'")}};var d=function(e,t,r){var a=m(e,r);var i=new n.MathNode("mrow",a);var s=new n.MathNode("annotation",[new n.TextNode(t)]);s.setAttribute("encoding","application/x-tex");var l=new n.MathNode("semantics",[i,s]);var o=new n.MathNode("math",[l]);return u(["katex-mathml"],[o])};t.exports=d},{"./ParseError":5,"./buildCommon":9,"./fontMetrics":16,"./mathMLTree":19,"./symbols":22,"./utils":23}],12:[function(e,t,r){var a=e("./buildHTML");var i=e("./buildMathML");var n=e("./buildCommon");var s=e("./Options");var l=e("./Settings");var o=e("./Style");var u=n.makeSpan;var p=function(e,t,r){r=r||new l({});var n=o.TEXT;if(r.displayMode){n=o.DISPLAY}var p=new s({style:n,size:"size5"});var h=i(e,t,p);var c=a(e,p);var v=u(["katex"],[h,c]);if(r.displayMode){return u(["katex-display"],[v])}else{return v}};t.exports=p},{"./Options":4,"./Settings":7,"./Style":8,"./buildCommon":9,"./buildHTML":10,"./buildMathML":11}],13:[function(e,t,r){var a=e("./ParseError");var i=e("./Style");var n=e("./buildCommon");var s=e("./fontMetrics");var l=e("./symbols");var o=e("./utils");var u=n.makeSpan;var p=function(e,t){if(l.math[e]&&l.math[e].replace){return s.getCharacterMetrics(l.math[e].replace,t)}else{return s.getCharacterMetrics(e,t)}};var h=function(e,t,r){return n.makeSymbol(e,"Size"+t+"-Regular",r)};var c=function(e,t,r){var a=u(["style-wrap",r.style.reset(),t.cls()],[e]);var i=t.sizeMultiplier/r.style.sizeMultiplier;a.height*=i;a.depth*=i;a.maxFontSize=t.sizeMultiplier;return a};var v=function(e,t,r,a,i){var l=n.makeSymbol(e,"Main-Regular",i);var o=c(l,t,a);if(r){var u=(1-a.style.sizeMultiplier/t.sizeMultiplier)*s.metrics.axisHeight;o.style.top=u+"em";o.height-=u;o.depth+=u}return o};var m=function(e,t,r,a,n){var l=h(e,t,n);var o=c(u(["delimsizing","size"+t],[l],a.getColor()),i.TEXT,a);if(r){var p=(1-a.style.sizeMultiplier)*s.metrics.axisHeight;o.style.top=p+"em";o.height-=p;o.depth+=p}return o};var f=function(e,t,r){var a;if(t==="Size1-Regular"){a="delim-size1"}else if(t==="Size4-Regular"){a="delim-size4"}var i=u(["delimsizinginner",a],[u([],[n.makeSymbol(e,t,r)])]);return{type:"elem",elem:i}};var d=function(e,t,r,a,l){var o;var h;var v;var m;o=v=m=e;h=null;var d="Size1-Regular";if(e==="\\uparrow"){v=m="\u23d0"}else if(e==="\\Uparrow"){v=m="\u2016"}else if(e==="\\downarrow"){o=v="\u23d0"}else if(e==="\\Downarrow"){o=v="\u2016"}else if(e==="\\updownarrow"){o="\\uparrow";v="\u23d0";m="\\downarrow"}else if(e==="\\Updownarrow"){o="\\Uparrow";v="\u2016";m="\\Downarrow"}else if(e==="["||e==="\\lbrack"){o="\u23a1";v="\u23a2";m="\u23a3";d="Size4-Regular"}else if(e==="]"||e==="\\rbrack"){o="\u23a4";v="\u23a5";m="\u23a6";d="Size4-Regular"}else if(e==="\\lfloor"){v=o="\u23a2";m="\u23a3";d="Size4-Regular"}else if(e==="\\lceil"){o="\u23a1";v=m="\u23a2";d="Size4-Regular"}else if(e==="\\rfloor"){v=o="\u23a5";m="\u23a6";d="Size4-Regular"}else if(e==="\\rceil"){o="\u23a4";v=m="\u23a5";d="Size4-Regular"}else if(e==="("){o="\u239b";v="\u239c";m="\u239d";d="Size4-Regular"}else if(e===")"){o="\u239e";v="\u239f";m="\u23a0";d="Size4-Regular"}else if(e==="\\{"||e==="\\lbrace"){o="\u23a7";h="\u23a8";m="\u23a9";v="\u23aa";d="Size4-Regular"}else if(e==="\\}"||e==="\\rbrace"){o="\u23ab";h="\u23ac";m="\u23ad";v="\u23aa";d="Size4-Regular"}else if(e==="\\lgroup"){o="\u23a7";m="\u23a9";v="\u23aa";d="Size4-Regular"}else if(e==="\\rgroup"){o="\u23ab";m="\u23ad";v="\u23aa";d="Size4-Regular"}else if(e==="\\lmoustache"){o="\u23a7";m="\u23ad";v="\u23aa";d="Size4-Regular"}else if(e==="\\rmoustache"){o="\u23ab";m="\u23a9";v="\u23aa";d="Size4-Regular"}else if(e==="\\surd"){o="\ue001";m="\u23b7";v="\ue000";d="Size4-Regular"}var g=p(o,d);var y=g.height+g.depth;var b=p(v,d);var x=b.height+b.depth;var w=p(m,d);var k=w.height+w.depth;var z=0;var S=1;if(h!==null){var M=p(h,d);z=M.height+M.depth;S=2}var T=y+k+z;var N=Math.ceil((t-T)/(S*x));var q=T+N*S*x;var A=s.metrics.axisHeight;if(r){A*=a.style.sizeMultiplier}var C=q/2-A;var R=[];R.push(f(m,d,l));var E;if(h===null){for(E=0;E<N;E++){R.push(f(v,d,l))}}else{for(E=0;E<N;E++){R.push(f(v,d,l))}R.push(f(h,d,l));for(E=0;E<N;E++){R.push(f(v,d,l))}}R.push(f(o,d,l));var P=n.makeVList(R,"bottom",C,a);return c(u(["delimsizing","mult"],[P],a.getColor()),i.TEXT,a)};var g=["(",")","[","\\lbrack","]","\\rbrack","\\{","\\lbrace","\\}","\\rbrace","\\lfloor","\\rfloor","\\lceil","\\rceil","\\surd"];var y=["\\uparrow","\\downarrow","\\updownarrow","\\Uparrow","\\Downarrow","\\Updownarrow","|","\\|","\\vert","\\Vert","\\lvert","\\rvert","\\lVert","\\rVert","\\lgroup","\\rgroup","\\lmoustache","\\rmoustache"];var b=["<",">","\\langle","\\rangle","/","\\backslash","\\lt","\\gt"];var x=[0,1.2,1.8,2.4,3];var w=function(e,t,r,i){if(e==="<"||e==="\\lt"){e="\\langle"}else if(e===">"||e==="\\gt"){e="\\rangle"}if(o.contains(g,e)||o.contains(b,e)){return m(e,t,false,r,i)}else if(o.contains(y,e)){return d(e,x[t],false,r,i)}else{throw new a("Illegal delimiter: '"+e+"'")}};var k=[{type:"small",style:i.SCRIPTSCRIPT},{type:"small",style:i.SCRIPT},{type:"small",style:i.TEXT},{type:"large",size:1},{type:"large",size:2},{type:"large",size:3},{type:"large",size:4}];var z=[{type:"small",style:i.SCRIPTSCRIPT},{type:"small",style:i.SCRIPT},{type:"small",style:i.TEXT},{type:"stack"}];var S=[{type:"small",style:i.SCRIPTSCRIPT},{type:"small",style:i.SCRIPT},{type:"small",style:i.TEXT},{type:"large",size:1},{type:"large",size:2},{type:"large",size:3},{type:"large",size:4},{type:"stack"}];var M=function(e){if(e.type==="small"){return"Main-Regular"}else if(e.type==="large"){return"Size"+e.size+"-Regular"}else if(e.type==="stack"){return"Size4-Regular"}};var T=function(e,t,r,a){var i=Math.min(2,3-a.style.size);for(var n=i;n<r.length;n++){if(r[n].type==="stack"){break}var s=p(e,M(r[n]));var l=s.height+s.depth;if(r[n].type==="small"){l*=r[n].style.sizeMultiplier}if(l>t){return r[n]}}return r[r.length-1]};var N=function(e,t,r,a,i){if(e==="<"||e==="\\lt"){e="\\langle"}else if(e===">"||e==="\\gt"){e="\\rangle"}var n;if(o.contains(b,e)){n=k}else if(o.contains(g,e)){n=S}else{n=z}var s=T(e,t,n,a);if(s.type==="small"){return v(e,s.style,r,a,i)}else if(s.type==="large"){return m(e,s.size,r,a,i)}else if(s.type==="stack"){return d(e,t,r,a,i)}};var q=function(e,t,r,a,i){var n=s.metrics.axisHeight*a.style.sizeMultiplier;var l=901;var o=5/s.metrics.ptPerEm;var u=Math.max(t-n,r+n);var p=Math.max(u/500*l,2*u-o);return N(e,p,true,a,i)};t.exports={sizedDelim:w,customSizedDelim:N,leftRightDelim:q}},{"./ParseError":5,"./Style":8,"./buildCommon":9,"./fontMetrics":16,"./symbols":22,"./utils":23}],14:[function(e,t,r){var a=e("./utils");var i=function(e){e=e.slice();for(var t=e.length-1;t>=0;t--){if(!e[t]){e.splice(t,1)}}return e.join(" ")};function n(e,t,r,a,i,n){this.classes=e||[];this.children=t||[];this.height=r||0;this.depth=a||0;this.maxFontSize=i||0;this.style=n||{};this.attributes={}}n.prototype.setAttribute=function(e,t){this.attributes[e]=t};n.prototype.toNode=function(){var e=document.createElement("span");e.className=i(this.classes);for(var t in this.style){if(Object.prototype.hasOwnProperty.call(this.style,t)){e.style[t]=this.style[t]}}for(var r in this.attributes){if(Object.prototype.hasOwnProperty.call(this.attributes,r)){e.setAttribute(r,this.attributes[r])}}for(var a=0;a<this.children.length;a++){e.appendChild(this.children[a].toNode())}return e};n.prototype.toMarkup=function(){var e="<span";if(this.classes.length){e+=' class="';e+=a.escape(i(this.classes));e+='"'}var t="";for(var r in this.style){if(this.style.hasOwnProperty(r)){t+=a.hyphenate(r)+":"+this.style[r]+";"}}if(t){e+=' style="'+a.escape(t)+'"'}for(var n in this.attributes){if(Object.prototype.hasOwnProperty.call(this.attributes,n)){e+=" "+n+'="';e+=a.escape(this.attributes[n]);e+='"'}}e+=">";for(var s=0;s<this.children.length;s++){e+=this.children[s].toMarkup()}e+="</span>";return e};function s(e,t,r,a){this.children=e||[];this.height=t||0;this.depth=r||0;this.maxFontSize=a||0}s.prototype.toNode=function(){var e=document.createDocumentFragment();for(var t=0;t<this.children.length;t++){e.appendChild(this.children[t].toNode())}return e};s.prototype.toMarkup=function(){var e="";for(var t=0;t<this.children.length;t++){e+=this.children[t].toMarkup()}return e};function l(e,t,r,a,i,n,s){this.value=e||"";this.height=t||0;this.depth=r||0;this.italic=a||0;this.skew=i||0;this.classes=n||[];this.style=s||{};this.maxFontSize=0}l.prototype.toNode=function(){var e=document.createTextNode(this.value);var t=null;if(this.italic>0){t=document.createElement("span");t.style.marginRight=this.italic+"em"}if(this.classes.length>0){t=t||document.createElement("span");t.className=i(this.classes)}for(var r in this.style){if(this.style.hasOwnProperty(r)){t=t||document.createElement("span");t.style[r]=this.style[r]}}if(t){t.appendChild(e);return t}else{return e}};l.prototype.toMarkup=function(){var e=false;var t="<span";if(this.classes.length){e=true;t+=' class="';t+=a.escape(i(this.classes));t+='"'}var r="";if(this.italic>0){r+="margin-right:"+this.italic+"em;"}for(var n in this.style){if(this.style.hasOwnProperty(n)){r+=a.hyphenate(n)+":"+this.style[n]+";"}}if(r){e=true;t+=' style="'+a.escape(r)+'"'}var s=a.escape(this.value);if(e){t+=">";t+=s;t+="</span>";return t}else{return s}};t.exports={span:n,documentFragment:s,symbolNode:l}},{"./utils":23}],15:[function(e,t,r){var a=e("./fontMetrics");var i=e("./parseData");var n=e("./ParseError");var s=i.ParseNode;function l(e,t){var r=[];var a=[r];var i=[];while(true){var l=e.parseExpression(false,null);r.push(new s("ordgroup",l,e.mode));var o=e.nextToken.text;if(o==="&"){e.consume()}else if(o==="\\end"){break}else if(o==="\\\\"||o==="\\cr"){var u=e.parseFunction();i.push(u.value.size);r=[];a.push(r)}else{var p=Math.min(e.pos+1,e.lexer._input.length);throw new n("Expected & or \\\\ or \\end",e.lexer,p)}}t.body=a;t.rowGaps=i;return new s(t.type,t,e.mode)}function o(e,r,a){if(typeof e==="string"){e=[e]}if(typeof r==="number"){r={numArgs:r}}var i={numArgs:r.numArgs||0,argTypes:r.argTypes,greediness:1,allowedInText:!!r.allowedInText,numOptionalArgs:r.numOptionalArgs||0,handler:a};for(var n=0;n<e.length;++n){t.exports[e[n]]=i}}o("array",{numArgs:1},function(e,t){var r=t[0];r=r.value.map?r.value:[r];var a=r.map(function(t){var r=t.value;if("lcr".indexOf(r)!==-1){return{type:"align",align:r}}else if(r==="|"){return{type:"separator",separator:"|"}}throw new n("Unknown column alignment: "+t.value,e.lexer,e.positions[1])});var i={type:"array",cols:a,hskipBeforeAndAfter:true};i=l(e.parser,i);return i});o(["matrix","pmatrix","bmatrix","Bmatrix","vmatrix","Vmatrix"],{},function(e){var t={matrix:null,pmatrix:["(",")"],bmatrix:["[","]"],Bmatrix:["\\{","\\}"],vmatrix:["|","|"],Vmatrix:["\\Vert","\\Vert"]}[e.envName];var r={type:"array",hskipBeforeAndAfter:false};r=l(e.parser,r);if(t){r=new s("leftright",{body:[r],left:t[0],right:t[1]},e.mode)}return r});o("cases",{},function(e){var 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diff --git a/webpack-production.config.js b/webpack-production.config.js
index 5ef9440e..12dcbf4e 100644
--- a/webpack-production.config.js
+++ b/webpack-production.config.js
@@ -12,9 +12,9 @@ var config = Object.assign({}, skeleton, {
         loader: 'babel'
       },
       {
-        test: /\.styl?$/,
+        test: /\.styl$/,
         exclude: /(node_modules|bower_components)/,
-        loader: 'style-loader!css-loader!stylus-loader'
+        loader: 'style!css?modules&importLoaders=1&localIdentName=[name]__[local]___[path]!stylus?sourceMap'
       }
     ]
   },
diff --git a/webpack-skeleton.js b/webpack-skeleton.js
index 802f0e6b..50f7dfeb 100644
--- a/webpack-skeleton.js
+++ b/webpack-skeleton.js
@@ -5,23 +5,29 @@ const NodeTargetPlugin = require('webpack/lib/node/NodeTargetPlugin')
 var config = {
   entry: {
     main: './browser/main/index.js',
-    finder: './browser/finder/index.js'
+    // finder: './browser/finder/index.js'
   },
   resolve: {
-    extensions: ['', '.js', '.jsx'],
+    extensions: ['', '.js', '.jsx', '.styl'],
     packageMains: ['webpack', 'browser', 'web', 'browserify', ['jam', 'main'], 'main'],
     alias: {
-      'lib': path.resolve(__dirname, 'lib'),
-      'browser': path.resolve(__dirname, 'browser')
+      'lib': path.join(__dirname, 'lib'),
+      'browser': path.join(__dirname, 'browser')
     }
   },
   plugins: [
     new webpack.NoErrorsPlugin(),
     new NodeTargetPlugin()
   ],
+  stylus: {
+    use: [require('nib')()],
+    import: [
+      '~nib/lib/nib/index.styl',
+      path.join(__dirname, 'browser/styles/index.styl')
+    ]
+  },
   externals: [
     'electron',
-    'socket.io-client',
     'md5',
     'superagent',
     'superagent-promise',
@@ -32,8 +38,15 @@ var config = {
     'markdown-it-emoji',
     'fs-jetpack',
     '@rokt33r/markdown-it-math',
-    '@rokt33r/sanitize-html',
-    'markdown-it-checkbox'
+    'markdown-it-checkbox',
+    'season',
+    'devtron',
+    {
+      react: 'var React',
+      'react-dom': 'var ReactDOM',
+      'react-redux': 'var ReactRedux',
+      'redux': 'var Redux'
+    }
   ]
 }
 
diff --git a/webpack.config.js b/webpack.config.js
index 5078168f..7a1768f1 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -10,9 +10,9 @@ var config = Object.assign({}, skeleton, {
         loader: 'babel?cacheDirectory'
       },
       {
-        test: /\.styl?$/,
+        test: /\.styl$/,
         exclude: /(node_modules|bower_components)/,
-        loader: 'style-loader!css-loader!stylus-loader'
+        loader: 'style!css?modules&importLoaders=1&localIdentName=[name]__[local]___[path]!stylus?sourceMap'
       }
     ]
   },