Работа над ночным режимом

client/components/App.vue

@@ -44,6 +44,25 @@ class App {
         this.uistate = this.$store.state.uistate;
         this.config = this.$store.state.config;
 
+        //dark mode
+        let darkMode = null;
+        this.$root.setDarkMode = (value) => {
+            if (darkMode !== value) {
+                const vars = ['--app-bg-color', '--app-text-color'];
+
+                let root = document.querySelector(':root');
+                let cs = getComputedStyle(root);
+
+                let mode = (value ? '-dark' : '-light');
+                for (const v of vars) {
+                    const propValue = cs.getPropertyValue(`${v}${mode}`);
+                    root.style.setProperty(v, propValue);
+                }
+
+                darkMode = value;
+            }
+        };
+
         //root route
         let cachedRoute = '';
         let cachedPath = '';
@@ -55,7 +74,7 @@ class App {
 
             }
             return cachedRoute;
-        }
+        };
 
         this.$router.beforeEach((to, from, next) => {
             //распознавание хоста, если присутствует домен 3-уровня "b.", то разрешена только определенная страница
@@ -192,22 +211,30 @@ export default vueComponent(App);
 </script>
 
 <style scoped>
-.app-name {
-    margin-left: 10px;
-    margin-top: 10px;
-    text-align: center;
-    line-height: 140%;
-    font-weight: bold;
-}
 </style>
 
 <style>
+:root {
+    /* current */
+    --app-bg-color: #fff;
+    --app-text-color: #000;
+
+    /* light */
+    --app-bg-color-light: #ebe2c9;
+    --app-text-color-light: #000;
+
+    /* dark */
+    --app-bg-color-dark: #222;
+    --app-text-color-dark: #bbb;
+}
+
 body, html, #app {    
     margin: 0;
     padding: 0;
     width: 100%;
     height: 100%;
     font: normal 12pt ReaderDefault;
+    background-color: #333;
 }
 
 .q-notifications__list--top {

client/components/Reader/Reader.vue

@@ -142,7 +142,7 @@
             </div>
         </div>
 
-        <div class="col row relative-position main" :class="{dark}">
+        <div class="col row relative-position main">
             <keep-alive>
                 <component 
                     :is="activePage"
@@ -473,6 +473,7 @@ class Reader {
 
         //dark mode
         this.nightModeActive = settings.nightMode;
+        this.$root.setDarkMode(this.nightModeActive);
         this.$q.dark.set(this.nightModeActive);
 
         this.clickControlActive = settings.clickControl;
@@ -832,10 +833,6 @@ class Reader {
         return this.$store.state.reader.settings;
     }
 
-    get dark() {
-        return this.$store.state.reader.settings.nightMode;
-    }
-
     addAction(pos) {
         let a = this.actionList;
         if (!a.length || a[a.length - 1] != pos) {
@@ -1700,13 +1697,8 @@ export default vueComponent(Reader);
 }
 
 .main {
-    background-color: #EBE2C9;
+    background-color: var(--app-bg-color);
-    color: #000;
+    color: var(--app-text-color);
-}
-
-.dark {
-    background-color: #222;
-    color: #ddd;
 }
 
 .tool-button {