Basic mobile panel switcher.

src/App.js

@@ -11,8 +11,16 @@ export default {
     Notifications,
     StyleSwitcher
   },
+  data: () => ({
+    mobileActivePanel: 'timeline'
+  }),
   computed: {
     currentUser () { return this.$store.state.users.currentUser },
     style () { return { 'background-image': `url(${this.currentUser.background_image})` } }
+  },
+  methods: {
+    activatePanel (panelName) {
+      this.mobileActivePanel = panelName
+    }
   }
 }

src/App.scss

@@ -66,11 +66,6 @@ nav {
     }
 }
 
-.sidebar {
-    flex: 1;
-    flex-basis: 300px;
-}
-
 main-router {
     flex: 1;
 }
@@ -230,3 +225,34 @@ nav {
     flex: 2;
     flex-basis: 500px;
 }
+
+.sidebar {
+    flex: 1;
+    flex-basis: 300px;
+}
+
+.mobile-shown {
+    display: none;
+}
+
+.panel-switcher {
+    display: none;
+    width: 100%;
+
+    button {
+        display: block;
+        flex: 1;
+        margin: 0.5em;
+        padding: 0.5em;
+    }
+}
+
+@media all and (max-width: 959px) {
+    .mobile-hidden {
+        display: none;
+    }
+
+    .panel-switcher {
+        display: flex;
+    }
+}

src/App.vue

@@ -9,12 +9,16 @@
       </div>
     </nav>
     <div class="container" id="content">
-      <div class="sidebar">
+      <div class="panel-switcher">
+        <button @click="activatePanel('sidebar')">Sidebar</button>
+        <button @click="activatePanel('timeline')">Timeline</button>
+      </div>
+      <div class="sidebar" :class="{ 'mobile-hidden': mobileActivePanel != 'sidebar' }">
         <user-panel></user-panel>
         <nav-panel></nav-panel>
         <notifications v-if="currentUser"></notifications>
       </div>
-      <div class="main">
+      <div class="main" :class="{ 'mobile-hidden': mobileActivePanel != 'timeline' }">
         <transition name="fade">
           <router-view></router-view>
         </transition>