Merge remote-tracking branch 'upstream/develop' into mobile-back

* upstream/develop: (142 commits)
  fix timeago font
  added hide_network option, fixed properties naming
  Fix fetching new users, add storing local users in usersObjects with their screen_name as well as id, so that they could be fetched zero-state with screen-name link.
  improve notification subscription
  Fix typo that prevented scope copy from working.
  added check for activatePanel is function or not
  addressed PR comments
  activate panel on user screen click
  added not preload check so hidden toggles asap
  removed counters from left panel
  added router-links to all relavent links
  added activatePanel onclick for timeago button
  added PR comments
  add checkbox to disable web push
  removed brackets from condition
  resolved lint issue
  renamed config to preload images and add ident to config
  added config for preload and made attachment responsive to it
  preload nsfw image
  fix
  ...

4 files changed, 1209 insertions, 414 deletions

diff --git a/src/components/style_switcher/preview.vue b/src/components/style_switcher/preview.vue
new file mode 100644
index 00000000..09a136e9
--- /dev/null
+++ b/src/components/style_switcher/preview.vue
@@ -0,0 +1,78 @@
+<template>
+<div class="panel dummy">
+  <div class="panel-heading">
+    <div class="title">
+      {{$t('settings.style.preview.header')}}
+      <span class="badge badge-notification">
+        99
+      </span>
+    </div>
+    <span class="faint">
+      {{$t('settings.style.preview.header_faint')}}
+    </span>
+    <span class="alert error">
+      {{$t('settings.style.preview.error')}}
+    </span>
+    <button class="btn">
+      {{$t('settings.style.preview.button')}}
+    </button>
+  </div>
+  <div class="panel-body theme-preview-content">
+    <div class="post">
+      <div class="avatar">
+        ( ͡° ͜ʖ ͡°)
+      </div>
+      <div class="content">
+        <h4>
+          {{$t('settings.style.preview.content')}}
+        </h4>
+
+        <i18n path="settings.style.preview.text">
+          <code style="font-family: var(--postCodeFont)">
+            {{$t('settings.style.preview.mono')}}
+          </code>
+          <a style="color: var(--link)">
+            {{$t('settings.style.preview.link')}}
+          </a>
+        </i18n>
+
+        <div class="icons">
+          <i style="color: var(--cBlue)" class="icon-reply"/>
+          <i style="color: var(--cGreen)" class="icon-retweet"/>
+          <i style="color: var(--cOrange)" class="icon-star"/>
+          <i style="color: var(--cRed)" class="icon-cancel"/>
+        </div>
+      </div>
+    </div>
+
+    <div class="after-post">
+      <div class="avatar-alt">
+        :^)
+      </div>
+      <div class="content">
+        <i18n path="settings.style.preview.fine_print" tag="span" class="faint">
+          <a style="color: var(--faintLink)">
+            {{$t('settings.style.preview.faint_link')}}
+          </a>
+        </i18n>
+      </div>
+    </div>
+    <div class="separator"></div>
+
+    <span class="alert error">
+      {{$t('settings.style.preview.error')}}
+    </span>
+    <input :value="$t('settings.style.preview.input')" type="text">
+
+    <div class="actions">
+      <span class="checkbox">
+        <input checked="very yes" type="checkbox" id="preview_checkbox">
+        <label for="preview_checkbox">{{$t('settings.style.preview.checkbox')}}</label>
+      </span>
+      <button class="btn">
+        {{$t('settings.style.preview.button')}}
+      </button>
+    </div>
+  </div>
+</div>
+</template>
diff --git a/src/components/style_switcher/style_switcher.js b/src/components/style_switcher/style_switcher.js
index 95c15b49..6a4e1cba 100644
--- a/src/components/style_switcher/style_switcher.js
+++ b/src/components/style_switcher/style_switcher.js
@@ -1,21 +1,101 @@
-import { rgbstr2hex } from '../../services/color_convert/color_convert.js'
+import { rgb2hex, hex2rgb, getContrastRatio, alphaBlend } from '../../services/color_convert/color_convert.js'
+import { set, delete as del } from 'vue'
+import { generateColors, generateShadows, generateRadii, generateFonts, composePreset, getThemes } from '../../services/style_setter/style_setter.js'
+import ColorInput from '../color_input/color_input.vue'
+import RangeInput from '../range_input/range_input.vue'
+import OpacityInput from '../opacity_input/opacity_input.vue'
+import ShadowControl from '../shadow_control/shadow_control.vue'
+import FontControl from '../font_control/font_control.vue'
+import ContrastRatio from '../contrast_ratio/contrast_ratio.vue'
+import TabSwitcher from '../tab_switcher/tab_switcher.jsx'
+import Preview from './preview.vue'
+import ExportImport from '../export_import/export_import.vue'
+
+// List of color values used in v1
+const v1OnlyNames = [
+  'bg',
+  'fg',
+  'text',
+  'link',
+  'cRed',
+  'cGreen',
+  'cBlue',
+  'cOrange'
+].map(_ => _ + 'ColorLocal')
 
 export default {
   data () {
     return {
       availableStyles: [],
       selected: this.$store.state.config.theme,
-      invalidThemeImported: false,
-      bgColorLocal: '',
-      btnColorLocal: '',
+
+      previewShadows: {},
+      previewColors: {},
+      previewRadii: {},
+      previewFonts: {},
+
+      shadowsInvalid: true,
+      colorsInvalid: true,
+      radiiInvalid: true,
+
+      keepColor: false,
+      keepShadows: false,
+      keepOpacity: false,
+      keepRoundness: false,
+      keepFonts: false,
+
       textColorLocal: '',
       linkColorLocal: '',
-      redColorLocal: '',
-      blueColorLocal: '',
-      greenColorLocal: '',
-      orangeColorLocal: '',
+
+      bgColorLocal: '',
+      bgOpacityLocal: undefined,
+
+      fgColorLocal: '',
+      fgTextColorLocal: undefined,
+      fgLinkColorLocal: undefined,
+
+      btnColorLocal: undefined,
+      btnTextColorLocal: undefined,
+      btnOpacityLocal: undefined,
+
+      inputColorLocal: undefined,
+      inputTextColorLocal: undefined,
+      inputOpacityLocal: undefined,
+
+      panelColorLocal: undefined,
+      panelTextColorLocal: undefined,
+      panelLinkColorLocal: undefined,
+      panelFaintColorLocal: undefined,
+      panelOpacityLocal: undefined,
+
+      topBarColorLocal: undefined,
+      topBarTextColorLocal: undefined,
+      topBarLinkColorLocal: undefined,
+
+      alertErrorColorLocal: undefined,
+
+      badgeOpacityLocal: undefined,
+      badgeNotificationColorLocal: undefined,
+
+      borderColorLocal: undefined,
+      borderOpacityLocal: undefined,
+
+      faintColorLocal: undefined,
+      faintOpacityLocal: undefined,
+      faintLinkColorLocal: undefined,
+
+      cRedColorLocal: '',
+      cBlueColorLocal: '',
+      cGreenColorLocal: '',
+      cOrangeColorLocal: '',
+
+      shadowSelected: undefined,
+      shadowsLocal: {},
+      fontsLocal: {},
+
       btnRadiusLocal: '',
       inputRadiusLocal: '',
+      checkboxRadiusLocal: '',
       panelRadiusLocal: '',
       avatarRadiusLocal: '',
       avatarAltRadiusLocal: '',
@@ -26,144 +106,470 @@ export default {
   created () {
     const self = this
 
-    window.fetch('/static/styles.json')
-      .then((data) => data.json())
-      .then((themes) => {
-        self.availableStyles = themes
-      })
+    getThemes().then((themesComplete) => {
+      self.availableStyles = themesComplete
+    })
   },
   mounted () {
-    this.normalizeLocalState(this.$store.state.config.colors, this.$store.state.config.radii)
+    this.normalizeLocalState(this.$store.state.config.customTheme)
+    if (typeof this.shadowSelected === 'undefined') {
+      this.shadowSelected = this.shadowsAvailable[0]
+    }
   },
-  methods: {
-    exportCurrentTheme () {
-      const stringified = JSON.stringify({
+  computed: {
+    selectedVersion () {
+      return Array.isArray(this.selected) ? 1 : 2
+    },
+    currentColors () {
+      return {
+        bg: this.bgColorLocal,
+        text: this.textColorLocal,
+        link: this.linkColorLocal,
+
+        fg: this.fgColorLocal,
+        fgText: this.fgTextColorLocal,
+        fgLink: this.fgLinkColorLocal,
+
+        panel: this.panelColorLocal,
+        panelText: this.panelTextColorLocal,
+        panelLink: this.panelLinkColorLocal,
+        panelFaint: this.panelFaintColorLocal,
+
+        input: this.inputColorLocal,
+        inputText: this.inputTextColorLocal,
+
+        topBar: this.topBarColorLocal,
+        topBarText: this.topBarTextColorLocal,
+        topBarLink: this.topBarLinkColorLocal,
+
+        btn: this.btnColorLocal,
+        btnText: this.btnTextColorLocal,
+
+        alertError: this.alertErrorColorLocal,
+        badgeNotification: this.badgeNotificationColorLocal,
+
+        faint: this.faintColorLocal,
+        faintLink: this.faintLinkColorLocal,
+        border: this.borderColorLocal,
+
+        cRed: this.cRedColorLocal,
+        cBlue: this.cBlueColorLocal,
+        cGreen: this.cGreenColorLocal,
+        cOrange: this.cOrangeColorLocal
+      }
+    },
+    currentOpacity () {
+      return {
+        bg: this.bgOpacityLocal,
+        btn: this.btnOpacityLocal,
+        input: this.inputOpacityLocal,
+        panel: this.panelOpacityLocal,
+        topBar: this.topBarOpacityLocal,
+        border: this.borderOpacityLocal,
+        faint: this.faintOpacityLocal
+      }
+    },
+    currentRadii () {
+      return {
+        btn: this.btnRadiusLocal,
+        input: this.inputRadiusLocal,
+        checkbox: this.checkboxRadiusLocal,
+        panel: this.panelRadiusLocal,
+        avatar: this.avatarRadiusLocal,
+        avatarAlt: this.avatarAltRadiusLocal,
+        tooltip: this.tooltipRadiusLocal,
+        attachment: this.attachmentRadiusLocal
+      }
+    },
+    preview () {
+      return composePreset(this.previewColors, this.previewRadii, this.previewShadows, this.previewFonts)
+    },
+    previewTheme () {
+      if (!this.preview.theme.colors) return { colors: {}, opacity: {}, radii: {}, shadows: {}, fonts: {} }
+      return this.preview.theme
+    },
+    // This needs optimization maybe
+    previewContrast () {
+      if (!this.previewTheme.colors.bg) return {}
+      const colors = this.previewTheme.colors
+      const opacity = this.previewTheme.opacity
+      if (!colors.bg) return {}
+      const hints = (ratio) => ({
+        text: ratio.toPrecision(3) + ':1',
+        // AA level, AAA level
+        aa: ratio >= 4.5,
+        aaa: ratio >= 7,
+        // same but for 18pt+ texts
+        laa: ratio >= 3,
+        laaa: ratio >= 4.5
+      })
+
+      // fgsfds :DDDD
+      const fgs = {
+        text: hex2rgb(colors.text),
+        panelText: hex2rgb(colors.panelText),
+        panelLink: hex2rgb(colors.panelLink),
+        btnText: hex2rgb(colors.btnText),
+        topBarText: hex2rgb(colors.topBarText),
+        inputText: hex2rgb(colors.inputText),
+
+        link: hex2rgb(colors.link),
+        topBarLink: hex2rgb(colors.topBarLink),
+
+        red: hex2rgb(colors.cRed),
+        green: hex2rgb(colors.cGreen),
+        blue: hex2rgb(colors.cBlue),
+        orange: hex2rgb(colors.cOrange)
+      }
+
+      const bgs = {
+        bg: hex2rgb(colors.bg),
+        btn: hex2rgb(colors.btn),
+        panel: hex2rgb(colors.panel),
+        topBar: hex2rgb(colors.topBar),
+        input: hex2rgb(colors.input),
+        alertError: hex2rgb(colors.alertError),
+        badgeNotification: hex2rgb(colors.badgeNotification)
+      }
+
+      /* This is a bit confusing because "bottom layer" used is text color
+       * This is done to get worst case scenario when background below transparent
+       * layer matches text color, making it harder to read the lower alpha is.
+       */
+      const ratios = {
+        bgText: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.text), fgs.text),
+        bgLink: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.link), fgs.link),
+        bgRed: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.red), fgs.red),
+        bgGreen: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.green), fgs.green),
+        bgBlue: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.blue), fgs.blue),
+        bgOrange: getContrastRatio(alphaBlend(bgs.bg, opacity.bg, fgs.orange), fgs.orange),
+
+        tintText: getContrastRatio(alphaBlend(bgs.bg, 0.5, fgs.panelText), fgs.text),
+
+        panelText: getContrastRatio(alphaBlend(bgs.panel, opacity.panel, fgs.panelText), fgs.panelText),
+        panelLink: getContrastRatio(alphaBlend(bgs.panel, opacity.panel, fgs.panelLink), fgs.panelLink),
+
+        btnText: getContrastRatio(alphaBlend(bgs.btn, opacity.btn, fgs.btnText), fgs.btnText),
+
+        inputText: getContrastRatio(alphaBlend(bgs.input, opacity.input, fgs.inputText), fgs.inputText),
+
+        topBarText: getContrastRatio(alphaBlend(bgs.topBar, opacity.topBar, fgs.topBarText), fgs.topBarText),
+        topBarLink: getContrastRatio(alphaBlend(bgs.topBar, opacity.topBar, fgs.topBarLink), fgs.topBarLink)
+      }
+
+      return Object.entries(ratios).reduce((acc, [k, v]) => { acc[k] = hints(v); return acc }, {})
+    },
+    previewRules () {
+      if (!this.preview.rules) return ''
+      return [
+        ...Object.values(this.preview.rules),
+        'color: var(--text)',
+        'font-family: var(--interfaceFont, sans-serif)'
+      ].join(';')
+    },
+    shadowsAvailable () {
+      return Object.keys(this.previewTheme.shadows).sort()
+    },
+    currentShadowOverriden: {
+      get () {
+        return !!this.currentShadow
+      },
+      set (val) {
+        if (val) {
+          set(this.shadowsLocal, this.shadowSelected, this.currentShadowFallback.map(_ => Object.assign({}, _)))
+        } else {
+          del(this.shadowsLocal, this.shadowSelected)
+        }
+      }
+    },
+    currentShadowFallback () {
+      return this.previewTheme.shadows[this.shadowSelected]
+    },
+    currentShadow: {
+      get () {
+        return this.shadowsLocal[this.shadowSelected]
+      },
+      set (v) {
+        set(this.shadowsLocal, this.shadowSelected, v)
+      }
+    },
+    themeValid () {
+      return !this.shadowsInvalid && !this.colorsInvalid && !this.radiiInvalid
+    },
+    exportedTheme () {
+      const saveEverything = (
+        !this.keepFonts &&
+        !this.keepShadows &&
+        !this.keepOpacity &&
+        !this.keepRoundness &&
+        !this.keepColor
+      )
+
+      const theme = {}
+
+      if (this.keepFonts || saveEverything) {
+        theme.fonts = this.fontsLocal
+      }
+      if (this.keepShadows || saveEverything) {
+        theme.shadows = this.shadowsLocal
+      }
+      if (this.keepOpacity || saveEverything) {
+        theme.opacity = this.currentOpacity
+      }
+      if (this.keepColor || saveEverything) {
+        theme.colors = this.currentColors
+      }
+      if (this.keepRoundness || saveEverything) {
+        theme.radii = this.currentRadii
+      }
+
+      return {
         // To separate from other random JSON files and possible future theme formats
-        _pleroma_theme_version: 1,
-        colors: this.$store.state.config.colors,
-        radii: this.$store.state.config.radii
-      }, null, 2) // Pretty-print and indent with 2 spaces
-
-      // Create an invisible link with a data url and simulate a click
-      const e = document.createElement('a')
-      e.setAttribute('download', 'pleroma_theme.json')
-      e.setAttribute('href', 'data:application/json;base64,' + window.btoa(stringified))
-      e.style.display = 'none'
-
-      document.body.appendChild(e)
-      e.click()
-      document.body.removeChild(e)
-    },
-
-    importTheme () {
-      this.invalidThemeImported = false
-      const filePicker = document.createElement('input')
-      filePicker.setAttribute('type', 'file')
-      filePicker.setAttribute('accept', '.json')
-
-      filePicker.addEventListener('change', event => {
-        if (event.target.files[0]) {
-          // eslint-disable-next-line no-undef
-          const reader = new FileReader()
-          reader.onload = ({target}) => {
-            try {
-              const parsed = JSON.parse(target.result)
-              if (parsed._pleroma_theme_version === 1) {
-                this.normalizeLocalState(parsed.colors, parsed.radii)
-              } else {
-                // A theme from the future, spooky
-                this.invalidThemeImported = true
-              }
-            } catch (e) {
-              // This will happen both if there is a JSON syntax error or the theme is missing components
-              this.invalidThemeImported = true
-            }
-          }
-          reader.readAsText(event.target.files[0])
+        _pleroma_theme_version: 2, theme
+      }
+    }
+  },
+  components: {
+    ColorInput,
+    OpacityInput,
+    RangeInput,
+    ContrastRatio,
+    ShadowControl,
+    FontControl,
+    TabSwitcher,
+    Preview,
+    ExportImport
+  },
+  methods: {
+    setCustomTheme () {
+      this.$store.dispatch('setOption', {
+        name: 'customTheme',
+        value: {
+          shadows: this.shadowsLocal,
+          fonts: this.fontsLocal,
+          opacity: this.currentOpacity,
+          colors: this.currentColors,
+          radii: this.currentRadii
         }
       })
+    },
+    onImport (parsed) {
+      if (parsed._pleroma_theme_version === 1) {
+        this.normalizeLocalState(parsed, 1)
+      } else if (parsed._pleroma_theme_version === 2) {
+        this.normalizeLocalState(parsed.theme, 2)
+      }
+    },
+    importValidator (parsed) {
+      const version = parsed._pleroma_theme_version
+      return version >= 1 || version <= 2
+    },
+    clearAll () {
+      const state = this.$store.state.config.customTheme
+      const version = state.colors ? 2 : 'l1'
+      this.normalizeLocalState(this.$store.state.config.customTheme, version)
+    },
 
-      document.body.appendChild(filePicker)
-      filePicker.click()
-      document.body.removeChild(filePicker)
+    // Clears all the extra stuff when loading V1 theme
+    clearV1 () {
+      Object.keys(this.$data)
+        .filter(_ => _.endsWith('ColorLocal') || _.endsWith('OpacityLocal'))
+        .filter(_ => !v1OnlyNames.includes(_))
+        .forEach(key => {
+          set(this.$data, key, undefined)
+        })
     },
 
-    setCustomTheme () {
-      if (!this.bgColorLocal && !this.btnColorLocal && !this.linkColorLocal) {
-        // reset to picked themes
-      }
-
-      const rgb = (hex) => {
-        const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)
-        return result ? {
-          r: parseInt(result[1], 16),
-          g: parseInt(result[2], 16),
-          b: parseInt(result[3], 16)
-        } : null
-      }
-      const bgRgb = rgb(this.bgColorLocal)
-      const btnRgb = rgb(this.btnColorLocal)
-      const textRgb = rgb(this.textColorLocal)
-      const linkRgb = rgb(this.linkColorLocal)
-
-      const redRgb = rgb(this.redColorLocal)
-      const blueRgb = rgb(this.blueColorLocal)
-      const greenRgb = rgb(this.greenColorLocal)
-      const orangeRgb = rgb(this.orangeColorLocal)
-
-      if (bgRgb && btnRgb && linkRgb) {
-        this.$store.dispatch('setOption', {
-          name: 'customTheme',
-          value: {
-            fg: btnRgb,
-            bg: bgRgb,
-            text: textRgb,
-            link: linkRgb,
-            cRed: redRgb,
-            cBlue: blueRgb,
-            cGreen: greenRgb,
-            cOrange: orangeRgb,
-            btnRadius: this.btnRadiusLocal,
-            inputRadius: this.inputRadiusLocal,
-            panelRadius: this.panelRadiusLocal,
-            avatarRadius: this.avatarRadiusLocal,
-            avatarAltRadius: this.avatarAltRadiusLocal,
-            tooltipRadius: this.tooltipRadiusLocal,
-            attachmentRadius: this.attachmentRadiusLocal
-          }})
-      }
-    },
-
-    normalizeLocalState (colors, radii) {
-      this.bgColorLocal = rgbstr2hex(colors.bg)
-      this.btnColorLocal = rgbstr2hex(colors.btn)
-      this.textColorLocal = rgbstr2hex(colors.fg)
-      this.linkColorLocal = rgbstr2hex(colors.link)
-
-      this.redColorLocal = rgbstr2hex(colors.cRed)
-      this.blueColorLocal = rgbstr2hex(colors.cBlue)
-      this.greenColorLocal = rgbstr2hex(colors.cGreen)
-      this.orangeColorLocal = rgbstr2hex(colors.cOrange)
-
-      this.btnRadiusLocal = radii.btnRadius || 4
-      this.inputRadiusLocal = radii.inputRadius || 4
-      this.panelRadiusLocal = radii.panelRadius || 10
-      this.avatarRadiusLocal = radii.avatarRadius || 5
-      this.avatarAltRadiusLocal = radii.avatarAltRadius || 50
-      this.tooltipRadiusLocal = radii.tooltipRadius || 2
-      this.attachmentRadiusLocal = radii.attachmentRadius || 5
+    clearRoundness () {
+      Object.keys(this.$data)
+        .filter(_ => _.endsWith('RadiusLocal'))
+        .forEach(key => {
+          set(this.$data, key, undefined)
+        })
+    },
+
+    clearOpacity () {
+      Object.keys(this.$data)
+        .filter(_ => _.endsWith('OpacityLocal'))
+        .forEach(key => {
+          set(this.$data, key, undefined)
+        })
+    },
+
+    clearShadows () {
+      this.shadowsLocal = {}
+    },
+
+    clearFonts () {
+      this.fontsLocal = {}
+    },
+
+    /**
+     * This applies stored theme data onto form. Supports three versions of data:
+     * v2 (version = 2) - newer version of themes.
+     * v1 (version = 1) - older version of themes (import from file)
+     * v1l (version = l1) - older version of theme (load from local storage)
+     * v1 and v1l differ because of way themes were stored/exported.
+     * @param {Object} input - input data
+     * @param {Number} version - version of data. 0 means try to guess based on data. "l1" means v1, locastorage type
+     */
+    normalizeLocalState (input, version = 0) {
+      const colors = input.colors || input
+      const radii = input.radii || input
+      const opacity = input.opacity
+      const shadows = input.shadows || {}
+      const fonts = input.fonts || {}
+
+      if (version === 0) {
+        if (input.version) version = input.version
+        // Old v1 naming: fg is text, btn is foreground
+        if (typeof colors.text === 'undefined' && typeof colors.fg !== 'undefined') {
+          version = 1
+        }
+        // New v2 naming: text is text, fg is foreground
+        if (typeof colors.text !== 'undefined' && typeof colors.fg !== 'undefined') {
+          version = 2
+        }
+      }
+
+      // Stuff that differs between V1 and V2
+      if (version === 1) {
+        this.fgColorLocal = rgb2hex(colors.btn)
+        this.textColorLocal = rgb2hex(colors.fg)
+      }
+
+      if (!this.keepColor) {
+        this.clearV1()
+        const keys = new Set(version !== 1 ? Object.keys(colors) : [])
+        if (version === 1 || version === 'l1') {
+          keys
+            .add('bg')
+            .add('link')
+            .add('cRed')
+            .add('cBlue')
+            .add('cGreen')
+            .add('cOrange')
+        }
+
+        keys.forEach(key => {
+          this[key + 'ColorLocal'] = rgb2hex(colors[key])
+        })
+      }
+
+      if (!this.keepRoundness) {
+        this.clearRoundness()
+        Object.entries(radii).forEach(([k, v]) => {
+          // 'Radius' is kept mostly for v1->v2 localstorage transition
+          const key = k.endsWith('Radius') ? k.split('Radius')[0] : k
+          this[key + 'RadiusLocal'] = v
+        })
+      }
+
+      if (!this.keepShadows) {
+        this.clearShadows()
+        this.shadowsLocal = shadows
+        this.shadowSelected = this.shadowsAvailable[0]
+      }
+
+      if (!this.keepFonts) {
+        this.clearFonts()
+        this.fontsLocal = fonts
+      }
+
+      if (opacity && !this.keepOpacity) {
+        this.clearOpacity()
+        Object.entries(opacity).forEach(([k, v]) => {
+          if (typeof v === 'undefined' || v === null || Number.isNaN(v)) return
+          this[k + 'OpacityLocal'] = v
+        })
+      }
     }
   },
   watch: {
+    currentRadii () {
+      try {
+        this.previewRadii = generateRadii({ radii: this.currentRadii })
+        this.radiiInvalid = false
+      } catch (e) {
+        this.radiiInvalid = true
+        console.warn(e)
+      }
+    },
+    shadowsLocal: {
+      handler () {
+        try {
+          this.previewShadows = generateShadows({ shadows: this.shadowsLocal })
+          this.shadowsInvalid = false
+        } catch (e) {
+          this.shadowsInvalid = true
+          console.warn(e)
+        }
+      },
+      deep: true
+    },
+    fontsLocal: {
+      handler () {
+        try {
+          this.previewFonts = generateFonts({ fonts: this.fontsLocal })
+          this.fontsInvalid = false
+        } catch (e) {
+          this.fontsInvalid = true
+          console.warn(e)
+        }
+      },
+      deep: true
+    },
+    currentColors () {
+      try {
+        this.previewColors = generateColors({
+          opacity: this.currentOpacity,
+          colors: this.currentColors
+        })
+        this.colorsInvalid = false
+      } catch (e) {
+        this.colorsInvalid = true
+        console.warn(e)
+      }
+    },
+    currentOpacity () {
+      try {
+        this.previewColors = generateColors({
+          opacity: this.currentOpacity,
+          colors: this.currentColors
+        })
+      } catch (e) {
+        console.warn(e)
+      }
+    },
     selected () {
-      this.bgColorLocal = this.selected[1]
-      this.btnColorLocal = this.selected[2]
-      this.textColorLocal = this.selected[3]
-      this.linkColorLocal = this.selected[4]
-      this.redColorLocal = this.selected[5]
-      this.greenColorLocal = this.selected[6]
-      this.blueColorLocal = this.selected[7]
-      this.orangeColorLocal = this.selected[8]
+      if (this.selectedVersion === 1) {
+        if (!this.keepRoundness) {
+          this.clearRoundness()
+        }
+
+        if (!this.keepShadows) {
+          this.clearShadows()
+        }
+
+        if (!this.keepOpacity) {
+          this.clearOpacity()
+        }
+
+        if (!this.keepColor) {
+          this.clearV1()
+
+          this.bgColorLocal = this.selected[1]
+          this.fgColorLocal = this.selected[2]
+          this.textColorLocal = this.selected[3]
+          this.linkColorLocal = this.selected[4]
+          this.cRedColorLocal = this.selected[5]
+          this.cGreenColorLocal = this.selected[6]
+          this.cBlueColorLocal = this.selected[7]
+          this.cOrangeColorLocal = this.selected[8]
+        }
+      } else if (this.selectedVersion >= 2) {
+        this.normalizeLocalState(this.selected.theme, 2)
+      }
     }
   }
 }
diff --git a/src/components/style_switcher/style_switcher.scss b/src/components/style_switcher/style_switcher.scss
new file mode 100644
index 00000000..135c113a
--- /dev/null
+++ b/src/components/style_switcher/style_switcher.scss
@@ -0,0 +1,335 @@
+@import '../../_variables.scss';
+.style-switcher {
+  .preset-switcher {
+    margin-right: 1em;
+  }
+
+  .style-control {
+    display: flex;
+    align-items: baseline;
+    margin-bottom: 5px;
+
+    .label {
+      flex: 1;
+    }
+
+    &.disabled {
+      input, select {
+        &:not(.exclude-disabled) {
+          opacity: .5
+        }
+      }
+    }
+
+    input, select {
+      min-width: 3em;
+      margin: 0;
+      flex: 0;
+
+      &[type=color] {
+        padding: 1px;
+        cursor: pointer;
+        height: 29px;
+        min-width: 2em;
+        border: none;
+        align-self: stretch;
+      }
+
+      &[type=number] {
+        min-width: 5em;
+      }
+
+      &[type=range] {
+        flex: 1;
+        min-width: 3em;
+      }
+
+      &[type=checkbox] + label {
+        margin: 6px 0;
+      }
+
+      &:not([type=number]):not([type=text]) {
+        align-self: flex-start;
+      }
+    }
+  }
+
+  .tab-switcher {
+    margin: 0 -1em;
+  }
+
+  .reset-container {
+    flex-wrap: wrap;
+  }
+
+  .fonts-container,
+  .reset-container,
+  .apply-container,
+  .radius-container,
+  .color-container,
+  {
+    display: flex;
+  }
+
+  .fonts-container,
+  .radius-container {
+    flex-direction: column;
+  }
+
+  .color-container{
+    > h4 {
+      width: 99%;
+    }
+    flex-wrap: wrap;
+    justify-content: space-between;
+  }
+
+  .fonts-container,
+  .color-container,
+  .shadow-container,
+  .radius-container,
+  .presets-container {
+    margin: 1em 1em 0;
+  }
+
+  .tab-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: baseline;
+    width: 100%;
+    min-height: 30px;
+
+    .btn {
+      min-width: 1px;
+      flex: 0 auto;
+      padding: 0 1em;
+    }
+
+    p {
+      flex: 1;
+      margin: 0;
+      margin-right: .5em;
+    }
+
+    margin-bottom: 1em;
+  }
+
+  .shadow-selector {
+    .override {
+      flex: 1;
+      margin-left: .5em;
+    }
+    .select-container {
+      margin-top: -4px;
+      margin-bottom: -3px;
+    }
+  }
+
+  .save-load,
+  .save-load-options {
+    display: flex;
+    justify-content: center;
+    align-items: baseline;
+    flex-wrap: wrap;
+
+    .presets,
+    .import-export {
+      margin-bottom: .5em;
+    }
+
+    .import-export {
+      display: flex;
+    }
+
+    .override {
+      margin-left: .5em;
+    }
+  }
+
+  .save-load-options {
+    flex-wrap: wrap;
+    margin-top: .5em;
+    justify-content: center;
+    .keep-option {
+      margin: 0 .5em .5em;
+      min-width: 25%;
+    }
+  }
+
+  .preview-container {
+    border-top: 1px dashed;
+    border-bottom: 1px dashed;
+    border-color: $fallback--border;
+    border-color: var(--border, $fallback--border);
+    margin: 1em -1em 0;
+    padding: 1em;
+    background: var(--body-background-image);
+    background-size: cover;
+    background-position: 50% 50%;
+
+    .dummy {
+      .post {
+        font-family: var(--postFont);
+        display: flex;
+
+        .content {
+          flex: 1;
+
+          h4 {
+            margin-bottom: .25em;
+          }
+
+          .icons {
+            margin-top: .5em;
+            display: flex;
+
+            i {
+              margin-right: 1em;
+            }
+          }
+        }
+      }
+
+      .after-post {
+        margin-top: 1em;
+        display: flex;
+        align-items: center;
+      }
+
+      .avatar, .avatar-alt{
+        background: linear-gradient(135deg, #b8e1fc 0%,#a9d2f3 10%,#90bae4 25%,#90bcea 37%,#90bff0 50%,#6ba8e5 51%,#a2daf5 83%,#bdf3fd 100%);
+        color: black;
+        font-family: sans-serif;
+        text-align: center;
+        margin-right: 1em;
+      }
+
+      .avatar-alt {
+        flex: 0 auto;
+        margin-left: 28px;
+        font-size: 12px;
+        min-width: 20px;
+        min-height: 20px;
+        line-height: 20px;
+        border-radius: $fallback--avatarAltRadius;
+        border-radius: var(--avatarAltRadius, $fallback--avatarAltRadius);
+      }
+
+      .avatar {
+        flex: 0 auto;
+        width: 48px;
+        height: 48px;
+        font-size: 14px;
+        line-height: 48px;
+      }
+
+      .actions {
+        display: flex;
+        align-items: baseline;
+
+        .checkbox {
+          display: inline-flex;
+          align-items: baseline;
+          margin-right: 1em;
+          flex: 1;
+        }
+      }
+
+      .separator {
+        margin: 1em;
+        border-bottom: 1px solid;
+        border-color: $fallback--border;
+        border-color: var(--border, $fallback--border);
+      }
+
+      .panel-heading {
+        .badge, .alert, .btn, .faint {
+          margin-left: 1em;
+          white-space: nowrap;
+        }
+        .faint {
+          text-overflow: ellipsis;
+          min-width: 2em;
+          overflow-x: hidden;
+        }
+        .flex-spacer {
+          flex: 1;
+        }
+      }
+      .btn {
+        margin-left: 0;
+        padding: 0 1em;
+        min-width: 3em;
+        min-height: 30px;
+      }
+    }
+  }
+
+  .apply-container {
+    justify-content: center;
+  }
+
+  .radius-item,
+  .color-item {
+    min-width: 20em;
+    margin: 5px 6px 0 0;
+    display:flex;
+    flex-direction: column;
+    flex: 1 1 0;
+
+    &.wide {
+      min-width: 60%
+    }
+
+    &:not(.wide):nth-child(2n+1) {
+      margin-right: 7px;
+
+    }
+
+    .color, .opacity {
+      display:flex;
+      align-items: baseline;
+    }
+  }
+
+  .radius-item {
+    flex-basis: auto;
+  }
+
+  .theme-radius-rn,
+  .theme-color-cl {
+    border: 0;
+    box-shadow: none;
+    background: transparent;
+    color: var(--faint, $fallback--faint);
+    align-self: stretch;
+  }
+
+  .theme-color-cl,
+  .theme-radius-in,
+  .theme-color-in {
+    margin-left: 4px;
+  }
+
+  .theme-radius-in {
+    min-width: 1em;
+  }
+
+  .theme-radius-in {
+    max-width: 7em;
+    flex: 1;
+  }
+
+  .theme-radius-lb{
+    max-width: 50em;
+  }
+
+  .theme-preview-content {
+    padding: 20px;
+  }
+
+  .btn {
+    margin-left: .25em;
+    margin-right: .25em;
+  }
+}
diff --git a/src/components/style_switcher/style_switcher.vue b/src/components/style_switcher/style_switcher.vue
index 72a338bd..84963c81 100644
--- a/src/components/style_switcher/style_switcher.vue
+++ b/src/components/style_switcher/style_switcher.vue
@@ -1,300 +1,276 @@
 <template>
-<div>
+<div class="style-switcher">
   <div class="presets-container">
-    <div>
-      {{$t('settings.presets')}}
-      <label for="style-switcher" class='select'>
-        <select id="style-switcher" v-model="selected" class="style-switcher">
-          <option v-for="style in availableStyles"
-                  :value="style"
-                  :style="{
-                          backgroundColor: style[1],
-                          color: style[3]
-                          }">
-            {{style[0]}}
-          </option>
-        </select>
-        <i class="icon-down-open"/>
-      </label>
+    <div class="save-load">
+      <export-import
+        :exportObject='exportedTheme'
+        :exportLabel='$t("settings.export_theme")'
+        :importLabel='$t("settings.import_theme")'
+        :importFailedText='$t("settings.invalid_theme_imported")'
+        :onImport='onImport'
+        :validator='importValidator'>
+        <template slot="before">
+          <div class="presets">
+            {{$t('settings.presets')}}
+            <label for="preset-switcher" class='select'>
+              <select id="preset-switcher" v-model="selected" class="preset-switcher">
+                <option v-for="style in availableStyles"
+                        :value="style"
+                        :style="{
+                                backgroundColor: style[1] || style.theme.colors.bg,
+                                color: style[3] || style.theme.colors.text
+                                }">
+                  {{style[0] || style.name}}
+                </option>
+              </select>
+              <i class="icon-down-open"/>
+            </label>
+          </div>
+        </template>
+      </export-import>
     </div>
-    <div class="import-export">
-      <button class="btn" @click="exportCurrentTheme">{{ $t('settings.export_theme') }}</button>
-      <button class="btn" @click="importTheme">{{ $t('settings.import_theme') }}</button>
-      <p v-if="invalidThemeImported" class="import-warning">{{ $t('settings.invalid_theme_imported') }}</p>
+    <div class="save-load-options">
+      <span class="keep-option">
+        <input
+          id="keep-color"
+          type="checkbox"
+          v-model="keepColor">
+        <label for="keep-color">{{$t('settings.style.switcher.keep_color')}}</label>
+      </span>
+      <span class="keep-option">
+        <input
+          id="keep-shadows"
+          type="checkbox"
+          v-model="keepShadows">
+        <label for="keep-shadows">{{$t('settings.style.switcher.keep_shadows')}}</label>
+      </span>
+      <span class="keep-option">
+        <input
+          id="keep-opacity"
+          type="checkbox"
+          v-model="keepOpacity">
+        <label for="keep-opacity">{{$t('settings.style.switcher.keep_opacity')}}</label>
+      </span>
+      <span class="keep-option">
+        <input
+          id="keep-roundness"
+          type="checkbox"
+          v-model="keepRoundness">
+        <label for="keep-roundness">{{$t('settings.style.switcher.keep_roundness')}}</label>
+      </span>
+      <span class="keep-option">
+        <input
+          id="keep-fonts"
+          type="checkbox"
+          v-model="keepFonts">
+        <label for="keep-fonts">{{$t('settings.style.switcher.keep_fonts')}}</label>
+      </span>
+      <p>{{$t('settings.style.switcher.save_load_hint')}}</p>
     </div>
   </div>
 
   <div class="preview-container">
-    <div :style="{
-                 '--btnRadius': btnRadiusLocal + 'px',
-                 '--inputRadius': inputRadiusLocal + 'px',
-                 '--panelRadius': panelRadiusLocal + 'px',
-                 '--avatarRadius': avatarRadiusLocal + 'px',
-                 '--avatarAltRadius': avatarAltRadiusLocal + 'px',
-                 '--tooltipRadius': tooltipRadiusLocal + 'px',
-                 '--attachmentRadius': attachmentRadiusLocal + 'px'
-                 }">
-      <div class="panel dummy">
-        <div class="panel-heading" :style="{ 'background-color': btnColorLocal, 'color': textColorLocal }">Preview</div>
-        <div class="panel-body theme-preview-content" :style="{ 'background-color': bgColorLocal, 'color': textColorLocal }">
-          <div class="avatar" :style="{
-                                      'border-radius': avatarRadiusLocal + 'px'
-                                      }">
-            ( ͡° ͜ʖ ͡°)
-          </div>
-          <h4>Content</h4>
-          <br>
-          A bunch of more content and
-          <a :style="{ color: linkColorLocal }">a nice lil' link</a>
-          <i :style="{ color: blueColorLocal }" class="icon-reply"/>
-          <i :style="{ color: greenColorLocal }" class="icon-retweet"/>
-          <i :style="{ color: redColorLocal }" class="icon-cancel"/>
-          <i :style="{ color: orangeColorLocal }" class="icon-star"/>
-          <br>
-          <button class="btn" :style="{ 'background-color': btnColorLocal, 'color': textColorLocal }">Button</button>
+    <preview :style="previewRules"/>
+  </div>
+
+  <keep-alive>
+    <tab-switcher key="style-tweak">
+      <div :label="$t('settings.style.common_colors._tab_label')" class="color-container">
+        <div class="tab-header">
+          <p>{{$t('settings.theme_help')}}</p>
+          <button class="btn" @click="clearOpacity">{{$t('settings.style.switcher.clear_opacity')}}</button>
+          <button class="btn" @click="clearV1">{{$t('settings.style.switcher.clear_all')}}</button>
+        </div>
+        <p>{{$t('settings.theme_help_v2_1')}}</p>
+        <h4>{{ $t('settings.style.common_colors.main') }}</h4>
+        <div class="color-item">
+          <ColorInput name="bgColor" v-model="bgColorLocal" :label="$t('settings.background')"/>
+          <OpacityInput name="bgOpacity" v-model="bgOpacityLocal" :fallback="previewTheme.opacity.bg || 1"/>
+          <ColorInput name="textColor" v-model="textColorLocal" :label="$t('settings.text')"/>
+          <ContrastRatio :contrast="previewContrast.bgText"/>
+          <ColorInput name="linkColor" v-model="linkColorLocal" :label="$t('settings.links')"/>
+          <ContrastRatio :contrast="previewContrast.bgLink"/>
         </div>
+        <div class="color-item">
+          <ColorInput name="fgColor" v-model="fgColorLocal" :label="$t('settings.foreground')"/>
+          <ColorInput name="fgTextColor" v-model="fgTextColorLocal" :label="$t('settings.text')" :fallback="previewTheme.colors.fgText"/>
+          <ColorInput name="fgLinkColor" v-model="fgLinkColorLocal" :label="$t('settings.links')" :fallback="previewTheme.colors.fgLink"/>
+          <p>{{ $t('settings.style.common_colors.foreground_hint') }}</p>
+        </div>
+        <h4>{{ $t('settings.style.common_colors.rgbo') }}</h4>
+        <div class="color-item">
+          <ColorInput name="cRedColor" v-model="cRedColorLocal" :label="$t('settings.cRed')"/>
+          <ContrastRatio :contrast="previewContrast.bgRed"/>
+          <ColorInput name="cBlueColor" v-model="cBlueColorLocal" :label="$t('settings.cBlue')"/>
+          <ContrastRatio :contrast="previewContrast.bgBlue"/>
+        </div>
+        <div class="color-item">
+          <ColorInput name="cGreenColor" v-model="cGreenColorLocal" :label="$t('settings.cGreen')"/>
+          <ContrastRatio :contrast="previewContrast.bgGreen"/>
+          <ColorInput name="cOrangeColor" v-model="cOrangeColorLocal" :label="$t('settings.cOrange')"/>
+          <ContrastRatio :contrast="previewContrast.bgOrange"/>
+        </div>
+        <p>{{$t('settings.theme_help_v2_2')}}</p>
       </div>
-    </div>
-  </div>
 
-  <div class="color-container">
-    <p>{{$t('settings.theme_help')}}</p>
-    <div class="color-item">
-      <label for="bgcolor" class="theme-color-lb">{{$t('settings.background')}}</label>
-      <input id="bgcolor" class="theme-color-cl" type="color" v-model="bgColorLocal">
-      <input id="bgcolor-t" class="theme-color-in" type="text" v-model="bgColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="fgcolor" class="theme-color-lb">{{$t('settings.foreground')}}</label>
-      <input id="fgcolor" class="theme-color-cl" type="color" v-model="btnColorLocal">
-      <input id="fgcolor-t" class="theme-color-in" type="text" v-model="btnColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="textcolor" class="theme-color-lb">{{$t('settings.text')}}</label>
-      <input id="textcolor" class="theme-color-cl" type="color" v-model="textColorLocal">
-      <input id="textcolor-t" class="theme-color-in" type="text" v-model="textColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="linkcolor" class="theme-color-lb">{{$t('settings.links')}}</label>
-      <input id="linkcolor" class="theme-color-cl" type="color" v-model="linkColorLocal">
-      <input id="linkcolor-t" class="theme-color-in" type="text" v-model="linkColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="redcolor" class="theme-color-lb">{{$t('settings.cRed')}}</label>
-      <input id="redcolor" class="theme-color-cl" type="color" v-model="redColorLocal">
-      <input id="redcolor-t" class="theme-color-in" type="text" v-model="redColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="bluecolor" class="theme-color-lb">{{$t('settings.cBlue')}}</label>
-      <input id="bluecolor" class="theme-color-cl" type="color" v-model="blueColorLocal">
-      <input id="bluecolor-t" class="theme-color-in" type="text" v-model="blueColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="greencolor" class="theme-color-lb">{{$t('settings.cGreen')}}</label>
-      <input id="greencolor" class="theme-color-cl" type="color" v-model="greenColorLocal">
-      <input id="greencolor-t" class="theme-color-in" type="green" v-model="greenColorLocal">
-    </div>
-    <div class="color-item">
-      <label for="orangecolor" class="theme-color-lb">{{$t('settings.cOrange')}}</label>
-      <input id="orangecolor" class="theme-color-cl" type="color" v-model="orangeColorLocal">
-      <input id="orangecolor-t" class="theme-color-in" type="text" v-model="orangeColorLocal">
-    </div>
-  </div>
+      <div :label="$t('settings.style.advanced_colors._tab_label')" class="color-container">
+        <div class="tab-header">
+          <p>{{$t('settings.theme_help')}}</p>
+          <button class="btn" @click="clearOpacity">{{$t('settings.style.switcher.clear_opacity')}}</button>
+          <button class="btn" @click="clearV1">{{$t('settings.style.switcher.clear_all')}}</button>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.alert') }}</h4>
+          <ColorInput name="alertError" v-model="alertErrorColorLocal" :label="$t('settings.style.advanced_colors.alert_error')" :fallback="previewTheme.colors.alertError"/>
+          <ContrastRatio :contrast="previewContrast.alertError"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.badge') }}</h4>
+          <ColorInput name="badgeNotification" v-model="badgeNotificationColorLocal" :label="$t('settings.style.advanced_colors.badge_notification')" :fallback="previewTheme.colors.badgeNotification"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.panel_header') }}</h4>
+          <ColorInput name="panelColor" v-model="panelColorLocal" :fallback="fgColorLocal" :label="$t('settings.background')"/>
+          <OpacityInput name="panelOpacity" v-model="panelOpacityLocal" :fallback="previewTheme.opacity.panel || 1"/>
+          <ColorInput name="panelTextColor" v-model="panelTextColorLocal" :fallback="previewTheme.colors.panelText" :label="$t('settings.text')"/>
+          <ContrastRatio :contrast="previewContrast.panelText" large="1"/>
+          <ColorInput name="panelLinkColor" v-model="panelLinkColorLocal" :fallback="previewTheme.colors.panelLink" :label="$t('settings.links')"/>
+          <ContrastRatio :contrast="previewContrast.panelLink" large="1"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.top_bar') }}</h4>
+          <ColorInput name="topBarColor" v-model="topBarColorLocal" :fallback="fgColorLocal" :label="$t('settings.background')"/>
+          <ColorInput name="topBarTextColor" v-model="topBarTextColorLocal" :fallback="previewTheme.colors.topBarText" :label="$t('settings.text')"/>
+          <ContrastRatio :contrast="previewContrast.topBarText"/>
+          <ColorInput name="topBarLinkColor" v-model="topBarLinkColorLocal" :fallback="previewTheme.colors.topBarLink" :label="$t('settings.links')"/>
+          <ContrastRatio :contrast="previewContrast.topBarLink"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.inputs') }}</h4>
+          <ColorInput name="inputColor" v-model="inputColorLocal" :fallback="fgColorLocal" :label="$t('settings.background')"/>
+          <OpacityInput name="inputOpacity" v-model="inputOpacityLocal" :fallback="previewTheme.opacity.input || 1"/>
+          <ColorInput name="inputTextColor" v-model="inputTextColorLocal" :fallback="previewTheme.colors.inputText" :label="$t('settings.text')"/>
+          <ContrastRatio :contrast="previewContrast.inputText"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.buttons') }}</h4>
+          <ColorInput name="btnColor" v-model="btnColorLocal" :fallback="fgColorLocal" :label="$t('settings.background')"/>
+          <OpacityInput name="btnOpacity" v-model="btnOpacityLocal" :fallback="previewTheme.opacity.btn || 1"/>
+          <ColorInput name="btnTextColor" v-model="btnTextColorLocal" :fallback="previewTheme.colors.btnText" :label="$t('settings.text')"/>
+          <ContrastRatio :contrast="previewContrast.btnText"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.borders') }}</h4>
+          <ColorInput name="borderColor" v-model="borderColorLocal" :fallback="previewTheme.colors.border" :label="$t('settings.style.common.color')"/>
+          <OpacityInput name="borderOpacity" v-model="borderOpacityLocal" :fallback="previewTheme.opacity.border || 1"/>
+        </div>
+        <div class="color-item">
+          <h4>{{ $t('settings.style.advanced_colors.faint_text') }}</h4>
+          <ColorInput name="faintColor" v-model="faintColorLocal" :fallback="previewTheme.colors.faint || 1" :label="$t('settings.text')"/>
+          <ColorInput name="faintLinkColor" v-model="faintLinkColorLocal" :fallback="previewTheme.colors.faintLink" :label="$t('settings.links')"/>
+          <ColorInput name="panelFaintColor" v-model="panelFaintColorLocal" :fallback="previewTheme.colors.panelFaint" :label="$t('settings.style.advanced_colors.panel_header')"/>
+          <OpacityInput name="faintOpacity" v-model="faintOpacityLocal" :fallback="previewTheme.opacity.faint || 0.5"/>
+        </div>
+      </div>
 
-  <div class="radius-container">
-    <p>{{$t('settings.radii_help')}}</p>
-    <div class="radius-item">
-      <label for="btnradius" class="theme-radius-lb">{{$t('settings.btnRadius')}}</label>
-      <input id="btnradius" class="theme-radius-rn" type="range" v-model="btnRadiusLocal" max="16">
-      <input id="btnradius-t" class="theme-radius-in" type="text" v-model="btnRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="inputradius" class="theme-radius-lb">{{$t('settings.inputRadius')}}</label>
-      <input id="inputradius" class="theme-radius-rn" type="range" v-model="inputRadiusLocal" max="16">
-      <input id="inputradius-t" class="theme-radius-in" type="text" v-model="inputRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="panelradius" class="theme-radius-lb">{{$t('settings.panelRadius')}}</label>
-      <input id="panelradius" class="theme-radius-rn" type="range" v-model="panelRadiusLocal" max="50">
-      <input id="panelradius-t" class="theme-radius-in" type="text" v-model="panelRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="avatarradius" class="theme-radius-lb">{{$t('settings.avatarRadius')}}</label>
-      <input id="avatarradius" class="theme-radius-rn" type="range" v-model="avatarRadiusLocal" max="28">
-      <input id="avatarradius-t" class="theme-radius-in" type="green" v-model="avatarRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="avataraltradius" class="theme-radius-lb">{{$t('settings.avatarAltRadius')}}</label>
-      <input id="avataraltradius" class="theme-radius-rn" type="range" v-model="avatarAltRadiusLocal" max="28">
-      <input id="avataraltradius-t" class="theme-radius-in" type="text" v-model="avatarAltRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="attachmentradius" class="theme-radius-lb">{{$t('settings.attachmentRadius')}}</label>
-      <input id="attachmentrradius" class="theme-radius-rn" type="range" v-model="attachmentRadiusLocal" max="50">
-      <input id="attachmentradius-t" class="theme-radius-in" type="text" v-model="attachmentRadiusLocal">
-    </div>
-    <div class="radius-item">
-      <label for="tooltipradius" class="theme-radius-lb">{{$t('settings.tooltipRadius')}}</label>
-      <input id="tooltipradius" class="theme-radius-rn" type="range" v-model="tooltipRadiusLocal" max="20">
-      <input id="tooltipradius-t" class="theme-radius-in" type="text" v-model="tooltipRadiusLocal">
-    </div>
-  </div>
+      <div :label="$t('settings.style.radii._tab_label')" class="radius-container">
+        <div class="tab-header">
+          <p>{{$t('settings.radii_help')}}</p>
+          <button class="btn" @click="clearRoundness">{{$t('settings.style.switcher.clear_all')}}</button>
+        </div>
+        <RangeInput name="btnRadius" :label="$t('settings.btnRadius')" v-model="btnRadiusLocal" :fallback="previewTheme.radii.btn" max="16" hardMin="0"/>
+        <RangeInput name="inputRadius" :label="$t('settings.inputRadius')" v-model="inputRadiusLocal" :fallback="previewTheme.radii.input" max="9" hardMin="0"/>
+        <RangeInput name="checkboxRadius" :label="$t('settings.checkboxRadius')" v-model="checkboxRadiusLocal" :fallback="previewTheme.radii.checkbox" max="16" hardMin="0"/>
+        <RangeInput name="panelRadius" :label="$t('settings.panelRadius')" v-model="panelRadiusLocal" :fallback="previewTheme.radii.panel" max="50" hardMin="0"/>
+        <RangeInput name="avatarRadius" :label="$t('settings.avatarRadius')" v-model="avatarRadiusLocal" :fallback="previewTheme.radii.avatar" max="28" hardMin="0"/>
+        <RangeInput name="avatarAltRadius" :label="$t('settings.avatarAltRadius')" v-model="avatarAltRadiusLocal" :fallback="previewTheme.radii.avatarAlt" max="28" hardMin="0"/>
+        <RangeInput name="attachmentRadius" :label="$t('settings.attachmentRadius')" v-model="attachmentRadiusLocal" :fallback="previewTheme.radii.attachment" max="50" hardMin="0"/>
+        <RangeInput name="tooltipRadius" :label="$t('settings.tooltipRadius')" v-model="tooltipRadiusLocal" :fallback="previewTheme.radii.tooltip" max="50" hardMin="0"/>
+      </div>
+
+      <div :label="$t('settings.style.shadows._tab_label')" class="shadow-container">
+        <div class="tab-header shadow-selector">
+          <div class="select-container">
+            {{$t('settings.style.shadows.component')}}
+            <label for="shadow-switcher" class="select">
+              <select id="shadow-switcher" v-model="shadowSelected" class="shadow-switcher">
+                <option v-for="shadow in shadowsAvailable"
+                        :value="shadow">
+                  {{$t('settings.style.shadows.components.' + shadow)}}
+                </option>
+              </select>
+              <i class="icon-down-open"/>
+            </label>
+          </div>
+          <div class="override">
+            <label for="override" class="label">
+              {{$t('settings.style.shadows.override')}}
+            </label>
+            <input
+              v-model="currentShadowOverriden"
+              name="override"
+              id="override"
+              class="input-override"
+              type="checkbox">
+            <label class="checkbox-label" for="override"></label>
+          </div>
+          <button class="btn" @click="clearShadows">{{$t('settings.style.switcher.clear_all')}}</button>
+        </div>
+        <shadow-control :ready="!!currentShadowFallback" :fallback="currentShadowFallback" v-model="currentShadow"/>
+        <div v-if="shadowSelected === 'avatar' || shadowSelected === 'avatarStatus'">
+          <i18n path="settings.style.shadows.filter_hint.always_drop_shadow" tag="p">
+            <code>filter: drop-shadow()</code>
+          </i18n>
+          <p>{{$t('settings.style.shadows.filter_hint.avatar_inset')}}</p>
+          <i18n path="settings.style.shadows.filter_hint.drop_shadow_syntax" tag="p">
+            <code>drop-shadow</code>
+            <code>spread-radius</code>
+            <code>inset</code>
+          </i18n>
+          <i18n path="settings.style.shadows.filter_hint.inset_classic" tag="p">
+            <code>box-shadow</code>
+          </i18n>
+          <p>{{$t('settings.style.shadows.filter_hint.spread_zero')}}</p>
+        </div>
+      </div>
+
+      <div :label="$t('settings.style.fonts._tab_label')" class="fonts-container">
+        <div class="tab-header">
+          <p>{{$t('settings.style.fonts.help')}}</p>
+          <button class="btn" @click="clearFonts">{{$t('settings.style.switcher.clear_all')}}</button>
+        </div>
+        <FontControl
+          name="ui"
+          v-model="fontsLocal.interface"
+          :label="$t('settings.style.fonts.components.interface')"
+          :fallback="previewTheme.fonts.interface"
+          no-inherit="1"/>
+        <FontControl
+          name="input"
+          v-model="fontsLocal.input"
+          :label="$t('settings.style.fonts.components.input')"
+          :fallback="previewTheme.fonts.input"/>
+        <FontControl
+          name="post"
+          v-model="fontsLocal.post"
+          :label="$t('settings.style.fonts.components.post')"
+          :fallback="previewTheme.fonts.post"/>
+        <FontControl
+          name="postCode"
+          v-model="fontsLocal.postCode"
+          :label="$t('settings.style.fonts.components.postCode')"
+          :fallback="previewTheme.fonts.postCode"/>
+      </div>
+    </tab-switcher>
+  </keep-alive>
 
   <div class="apply-container">
-    <button class="btn submit" @click="setCustomTheme">{{$t('general.apply')}}</button>
+    <button class="btn submit" :disabled="!themeValid" @click="setCustomTheme">{{$t('general.apply')}}</button>
+    <button class="btn" @click="clearAll">{{$t('settings.style.switcher.reset')}}</button>
   </div>
 </div>
 </template>
 
 <script src="./style_switcher.js"></script>
 
-<style lang="scss">
-@import '../../_variables.scss';
-.style-switcher {
-  margin-right: 1em;
-}
-
-.import-warning {
-  color: $fallback--cRed;
-  color: var(--cRed, $fallback--cRed);
-}
-
-.apply-container,
-.radius-container,
-.color-container,
-.presets-container {
-  display: flex;
-
-  p {
-    flex: 2 0 100%;
-    margin-top: 2em;
-    margin-bottom: .5em;
-  }
-}
-
-.radius-container {
-  flex-direction: column;
-}
-
-.color-container {
-  flex-wrap: wrap;
-  justify-content: space-between;
-}
-
-.presets-container {
-  justify-content: center;
-  .import-export {
-    display: flex;
-
-    .btn {
-      margin-left: .5em;
-    }
-  }
-}
-
-.preview-container {
-  border-top: 1px dashed;
-  border-bottom: 1px dashed;
-  border-color: $fallback--border;
-  border-color: var(--border, $fallback--border);
-  margin: 1em -1em 0;
-  padding: 1em;
-
-  .btn {
-    margin-top: 1em;
-    min-height: 30px;
-    width: 10em;
-  }
-}
-
-.apply-container {
-  justify-content: center;
-}
-
-.radius-item,
-.color-item {
-  min-width: 20em;
-  display:flex;
-  flex: 1 1 0;
-  align-items: baseline;
-  margin: 5px 6px 5px 0;
-
-  label {
-    color: var(--faint, $fallback--faint);
-  }
-}
-
-.radius-item {
-  flex-basis: auto;
-}
-
-.theme-radius-rn,
-.theme-color-cl {
-  border: 0;
-  box-shadow: none;
-  background: transparent;
-  color: var(--faint, $fallback--faint);
-  align-self: stretch;
-}
-
-.theme-color-cl,
-.theme-radius-in,
-.theme-color-in {
-  margin-left: 4px;
-}
-
-.theme-color-in {
-  min-width: 4em;
-}
-
-.theme-radius-in {
-  min-width: 1em;
-}
-
-.theme-radius-in,
-.theme-color-in {
-  max-width: 7em;
-  flex: 1;
-}
-
-.theme-radius-lb,
-.theme-color-lb {
-  flex: 2;
-  min-width: 7em;
-}
-
-.theme-radius-lb{
-  max-width: 50em;
-}
-
-.theme-color-lb {
-  max-width: 10em;
-}
-
-.theme-color-cl {
-  padding: 1px;
-  max-width: 8em;
-  height: 100%;
-  flex: 0;
-  min-width: 2em;
-  cursor: pointer;
-  max-height: 29px;
-}
-
-.theme-preview-content {
-  padding: 20px;
-}
-
-.dummy {
-  .avatar {
-    background: linear-gradient(135deg, #b8e1fc 0%,#a9d2f3 10%,#90bae4 25%,#90bcea 37%,#90bff0 50%,#6ba8e5 51%,#a2daf5 83%,#bdf3fd 100%);
-    color: black;
-    text-align: center;
-    height: 48px;
-    line-height: 48px;
-    width: 48px;
-    float: left;
-    margin-right: 1em;
-  }
-}
-</style>
+<style src="./style_switcher.scss" lang="scss"></style>