diff --git a/frontend/index.html b/frontend/index.html
index b212a0a..ccd3b7f 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -21,7 +21,7 @@
     <meta name="twitter:title" content="YourPart – Community, Chat, Forum, Vokabeltrainer, Falukant & Minispiele" />
     <meta name="twitter:description" content="Community, Chat, Forum, soziales Netzwerk, Vokabeltrainer zum Sprachen lernen, das Aufbauspiel Falukant sowie Minispiele – jetzt in der Beta testen." />
 
-    <meta name="theme-color" content="#F9A22C" />
+    <meta name="theme-color" content="#FF8C5A" />
 
     <script type="application/ld+json">
     {
diff --git a/frontend/public/images/falukant/backgrounds/bg1.png b/frontend/public/images/falukant/backgrounds/bg1.png
new file mode 100644
index 0000000..298bb66
Binary files /dev/null and b/frontend/public/images/falukant/backgrounds/bg1.png differ
diff --git a/frontend/public/images/falukant/backgrounds/bg2.png b/frontend/public/images/falukant/backgrounds/bg2.png
new file mode 100644
index 0000000..49c35dc
Binary files /dev/null and b/frontend/public/images/falukant/backgrounds/bg2.png differ
diff --git a/frontend/src/assets/styles.scss b/frontend/src/assets/styles.scss
index 3647f96..99b57b8 100644
--- a/frontend/src/assets/styles.scss
+++ b/frontend/src/assets/styles.scss
@@ -1,3 +1,16 @@
+:root {
+  /* Moderne Farbpalette für bessere Lesbarkeit */
+  --color-primary-orange: #FF8C5A;      /* Helleres, freundliches Orange */
+  --color-primary-orange-hover: #FFA366; /* Noch helleres Orange für Hover */
+  --color-primary-orange-light: #FFF4F0; /* Sehr helles Orange für Hover-Hintergründe */
+  --color-primary-green: #4ADE80;       /* Helles, freundliches Grün - passt zum Orange */
+  --color-primary-green-hover: #6EE7B7; /* Noch helleres Grün für Hover */
+  --color-text-primary: #1F2937;        /* Dunkles Grau für Haupttext (bessere Lesbarkeit) */
+  --color-text-secondary: #5D4037;      /* Dunkles Braun für sekundären Text/Hover */
+  --color-text-on-orange: #000000;       /* Schwarz auf Orange */
+  --color-text-on-green: #000000;        /* Schwarz auf Grün */
+}
+
 html,
 body {
   height: 100%;
@@ -8,7 +21,7 @@ body {
   margin: 0;
   padding: 0;
   background-color: #f4f4f4;
-  color: #333;
+  color: var(--color-text-primary);
 }
 
 a {
@@ -20,18 +33,18 @@ button {
   margin-left: 10px;
   padding: 5px 12px;
   cursor: pointer;
-  background: #F9A22C;
-  color: #000000;
-  border: 1px solid #F9A22C;
+  background: var(--color-primary-orange);
+  color: var(--color-text-on-orange);
+  border: 1px solid var(--color-primary-orange);
   border-radius: 4px;
   transition: background 0.05s;
   border: 1px solid transparent;
 }
 
 button:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: var(--color-primary-orange-light);
+  color: var(--color-text-secondary);
+  border: 1px solid var(--color-text-secondary);
 }
 
 .rc-system {
@@ -49,7 +62,7 @@ button:hover {
 }
 
 .link {
-  color: #F9A22C;
+  color: var(--color-primary-orange);
   cursor: pointer;
 }
 
@@ -67,17 +80,17 @@ h3 {
 .multiselect__option--highlight[data-selected],
 .multiselect__option--highlight[data-deselect] {
   background: none;
-  background-color: #F9A22C;
-  color: #000;
+  background-color: var(--color-primary-orange);
+  color: var(--color-text-on-orange);
 }
 
 span.button {
   padding: 2px 2px;
   margin-left: 4px;
   cursor: pointer;
-  background: #F9A22C;
-  color: #000000;
-  border: 1px solid #F9A22C;
+  background: var(--color-primary-orange);
+  color: var(--color-text-on-orange);
+  border: 1px solid var(--color-primary-orange);
   border-radius: 4px;
   transition: background 0.05s;
   border: 1px solid transparent;
@@ -89,9 +102,9 @@ span.button {
 }
 
 span.button:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: var(--color-primary-orange-light);
+  color: var(--color-text-secondary);
+  border: 1px solid var(--color-text-secondary);
 }
 
 .font-color-gender-male {
diff --git a/frontend/src/components/AppFooter.vue b/frontend/src/components/AppFooter.vue
index 895645d..047f60d 100644
--- a/frontend/src/components/AppFooter.vue
+++ b/frontend/src/components/AppFooter.vue
@@ -65,10 +65,10 @@ export default {
 <style scoped>
 footer {
   display: flex;
-  background-color: #7BBE55;
+  background-color: var(--color-primary-green);
   height: 38px;
   width: 100%;
-  color: #7E471B;
+  color: #1F2937; /* Dunkles Grau für besseren Kontrast auf hellem Grün */
 }
 
 .logo,
diff --git a/frontend/src/components/AppNavigation.vue b/frontend/src/components/AppNavigation.vue
index dbe32b3..a1b8bf3 100644
--- a/frontend/src/components/AppNavigation.vue
+++ b/frontend/src/components/AppNavigation.vue
@@ -295,7 +295,7 @@ nav,
 nav > ul {
   display: flex;
   justify-content: space-between;
-  background-color: #f9a22c;
+  background-color: #FF6B35;
   color: #000;
   padding: 0;
   margin: 0;
@@ -317,7 +317,7 @@ nav > ul > li {
 }
 
 nav > ul > li:hover {
-  background-color: #d37c06;
+  background-color: #FF8C5A;
   white-space: nowrap;
 }
 
@@ -345,7 +345,7 @@ a {
 
 .menuitem {
   cursor: pointer;
-  color: #7e471b;
+  color: #5D4037;
 }
 
 .mailbox {
@@ -363,8 +363,8 @@ a {
 
 .submenu1 {
   position: absolute;
-  border: 1px solid #7e471b;
-  background-color: #f9a22c;
+  border: 1px solid #5D4037;
+  background-color: #FF6B35;
   left: 0;
   top: 2.5em;
   max-height: 0;
@@ -388,13 +388,13 @@ a {
 .submenu1 > li {
   padding: 0.5em;
   line-height: 1em;
-  color: #7e471b;
+  color: #5D4037;
   position: relative;
 }
 
 .submenu1 > li:hover {
   color: #000;
-  background-color: #d37c06;
+  background-color: #FF8C5A;
 }
 
 .menu-icon,
@@ -419,10 +419,10 @@ a {
 
 .submenu2 {
   position: absolute;
-  background-color: #f9a22c;
+  background-color: #FF6B35;
   left: 100%;
   top: 0;
-  border: 1px solid #7e471b;
+  border: 1px solid #5D4037;
   max-height: 0;
   overflow: hidden;
   opacity: 0;
@@ -444,12 +444,12 @@ a {
 .submenu2 > li {
   padding: 0.5em;
   line-height: 1em;
-  color: #7e471b;
+  color: #5D4037;
 }
 
 .submenu2 > li:hover {
   color: #000;
-  background-color: #d37c06;
+  background-color: #FF8C5A;
 }
 
 .subsubmenu {
diff --git a/frontend/src/components/Character3D.vue b/frontend/src/components/Character3D.vue
index 7d8ed21..64fc6a0 100644
--- a/frontend/src/components/Character3D.vue
+++ b/frontend/src/components/Character3D.vue
@@ -3,6 +3,7 @@
 </template>
 
 <script>
+import { markRaw } from 'vue';
 import * as THREE from 'three';
 import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js';
 
@@ -30,7 +31,8 @@ export default {
       model: null,
       animationId: null,
       mixer: null,
-      clock: new THREE.Clock()
+      clock: markRaw(new THREE.Clock()),
+      baseYPosition: 0 // Basis-Y-Position für Animation
     };
   },
   computed: {
@@ -50,8 +52,16 @@ export default {
       }
       // Zufällige Auswahl beim ersten Mount, dann persistent
       if (this.randomAge === null) {
-        // Zufälliges Alter zwischen 18 und 65 Jahren
-        this.randomAge = Math.floor(Math.random() * 47) + 18;
+        // Zufällige Altersgruppe auswählen, damit verschiedene Altersbereiche dargestellt werden
+        const ageGroups = [
+          { min: 0, max: 3 },    // toddler
+          { min: 4, max: 7 },     // child
+          { min: 8, max: 12 },     // preteen
+          { min: 13, max: 17 },   // teen
+          { min: 18, max: 65 }    // adult
+        ];
+        const selectedGroup = ageGroups[Math.floor(Math.random() * ageGroups.length)];
+        this.randomAge = Math.floor(Math.random() * (selectedGroup.max - selectedGroup.min + 1)) + selectedGroup.min;
       }
       return this.randomAge;
     },
@@ -95,39 +105,76 @@ export default {
       const container = this.$refs.container;
       if (!container) return;
 
-      // Scene erstellen
-      this.scene = new THREE.Scene();
+      // Scene erstellen - markRaw verwenden, um Vue's Reactivity zu vermeiden
+      this.scene = markRaw(new THREE.Scene());
+      // Hintergrund wird später geladen
       this.scene.background = new THREE.Color(0xf0f0f0);
+      
+      // Hintergrundbild laden
+      this.loadBackground();
 
       // Camera erstellen
       const aspect = container.clientWidth / container.clientHeight;
-      this.camera = new THREE.PerspectiveCamera(50, aspect, 0.1, 1000);
+      this.camera = markRaw(new THREE.PerspectiveCamera(50, aspect, 0.1, 1000));
       this.camera.position.set(0, 1.5, 3);
       this.camera.lookAt(0, 1, 0);
 
       // Renderer erstellen
-      this.renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
+      this.renderer = markRaw(new THREE.WebGLRenderer({ antialias: true, alpha: true }));
       this.renderer.setSize(container.clientWidth, container.clientHeight);
       this.renderer.setPixelRatio(window.devicePixelRatio);
       container.appendChild(this.renderer.domElement);
 
-      // Licht hinzufügen
-      const ambientLight = new THREE.AmbientLight(0xffffff, 0.6);
+      // Verbesserte Beleuchtung für hellere Modelle
+      // Mehr ambient light für gleichmäßigere Ausleuchtung
+      const ambientLight = new THREE.AmbientLight(0xffffff, 1.0);
       this.scene.add(ambientLight);
 
-      const directionalLight = new THREE.DirectionalLight(0xffffff, 0.8);
+      // Hauptlicht von vorne oben - stärker
+      const directionalLight = new THREE.DirectionalLight(0xffffff, 1.2);
       directionalLight.position.set(5, 10, 5);
       this.scene.add(directionalLight);
 
-      // Zusätzliches Licht von hinten
-      const backLight = new THREE.DirectionalLight(0xffffff, 0.3);
-      backLight.position.set(-5, 0, -5);
+      // Zusätzliches Licht von hinten - heller
+      const backLight = new THREE.DirectionalLight(0xffffff, 0.75);
+      backLight.position.set(-5, 5, -5);
       this.scene.add(backLight);
 
+      // Zusätzliches Seitenlicht für mehr Tiefe
+      const sideLight = new THREE.DirectionalLight(0xffffff, 0.5);
+      sideLight.position.set(-5, 5, 5);
+      this.scene.add(sideLight);
+
       // Resize Handler
       window.addEventListener('resize', this.onWindowResize);
     },
 
+    loadBackground() {
+      // Zufällig einen Hintergrund auswählen
+      const backgrounds = ['bg1.png', 'bg2.png'];
+      const randomBg = backgrounds[Math.floor(Math.random() * backgrounds.length)];
+      const bgPath = `/images/falukant/backgrounds/${randomBg}`;
+      
+      const loader = new THREE.TextureLoader();
+      loader.load(
+        bgPath,
+        (texture) => {
+          // Hintergrund erfolgreich geladen
+          if (this.scene) {
+            this.scene.background = texture;
+          }
+        },
+        undefined,
+        (error) => {
+          console.warn('Fehler beim Laden des Hintergrunds:', error);
+          // Fallback auf Standardfarbe bei Fehler
+          if (this.scene) {
+            this.scene.background = new THREE.Color(0xf0f0f0);
+          }
+        }
+      );
+    },
+
     async loadModel() {
       if (!this.scene) return;
 
@@ -167,51 +214,57 @@ export default {
           gltf = await loader.loadAsync(fallbackPath);
         }
 
-        this.model = gltf.scene;
+        // Modell als raw markieren, um Vue's Reactivity zu vermeiden
+        this.model = markRaw(gltf.scene);
         
-        // Modell zentrieren und skalieren
-        const box = new THREE.Box3().setFromObject(this.model);
-        const center = box.getCenter(new THREE.Vector3());
-        const size = box.getSize(new THREE.Vector3());
+        // Initiale Bounding Box für Größenberechnung (vor Skalierung)
+        const initialBox = new THREE.Box3().setFromObject(this.model);
+        const initialSize = initialBox.getSize(new THREE.Vector3());
         
         // Skalierung basierend auf Alter
         const age = this.actualAge;
-        let scale = 1;
+        let ageScale = 1;
         if (age <= 3) {
-          scale = 0.4;
+          ageScale = 0.4;
         } else if (age <= 7) {
-          scale = 0.6;
+          ageScale = 0.6;
         } else if (age <= 12) {
-          scale = 0.75;
+          ageScale = 0.75;
         } else if (age <= 17) {
-          scale = 0.9;
+          ageScale = 0.9;
         } else {
-          scale = 1.0;
+          ageScale = 1.0;
         }
         
         // Modell skalieren, damit es in die Szene passt
-        const maxDimension = Math.max(size.x, size.y, size.z);
+        const maxDimension = Math.max(initialSize.x, initialSize.y, initialSize.z);
         const targetHeight = 2; // Zielhöhe in 3D-Einheiten
-        const modelScale = (targetHeight / maxDimension) * scale;
+        const modelScale = (targetHeight / maxDimension) * ageScale;
         this.model.scale.set(modelScale, modelScale, modelScale);
         
-        // Modell zentrieren
-        this.model.position.sub(center.multiplyScalar(modelScale));
-        this.model.position.y = 0; // Auf Boden setzen
+        // Bounding Box NACH dem Skalieren neu berechnen
+        const scaledBox = new THREE.Box3().setFromObject(this.model);
+        const scaledCenter = scaledBox.getCenter(new THREE.Vector3());
+        
+        // Modell zentrieren basierend auf der skalierten Bounding Box
+        // Position direkt setzen statt zu subtrahieren, um Proxy-Probleme zu vermeiden
+        const baseY = -scaledBox.min.y; // Auf Boden setzen (y=0 entspricht dem unteren Rand)
+        this.model.position.set(-scaledCenter.x, baseY, -scaledCenter.z);
+        this.baseYPosition = baseY; // Basisposition für Animation speichern
         
         this.scene.add(this.model);
 
         // Animationen laden falls vorhanden
         if (gltf.animations && gltf.animations.length > 0) {
-          this.mixer = new THREE.AnimationMixer(this.model);
+          this.mixer = markRaw(new THREE.AnimationMixer(this.model));
           gltf.animations.forEach((clip) => {
             this.mixer.clipAction(clip).play();
           });
         }
 
-        // Sanfte Rotation-Animation
+        // Keine Rotation - Figuren bleiben statisch
         if (this.model) {
-          this.model.rotation.y = Math.random() * Math.PI * 2;
+          this.model.rotation.y = 0;
         }
       } catch (error) {
         console.error('Error loading 3D model:', error);
@@ -228,13 +281,7 @@ export default {
         this.mixer.update(delta);
       }
 
-      if (this.model) {
-        // Sanfte Rotation
-        this.model.rotation.y += 0.005;
-        
-        // Sanftes Auf und Ab
-        this.model.position.y = Math.sin(Date.now() * 0.001) * 0.1;
-      }
+      // Keine Bewegung - Modelle bleiben statisch
 
       if (this.renderer && this.scene && this.camera) {
         this.renderer.render(this.scene, this.camera);
diff --git a/frontend/src/components/DialogWidget.vue b/frontend/src/components/DialogWidget.vue
index e06aa77..1440388 100644
--- a/frontend/src/components/DialogWidget.vue
+++ b/frontend/src/components/DialogWidget.vue
@@ -216,7 +216,7 @@ export default {
   justify-content: space-between;
   padding: 5px 5px;
   border-bottom: 1px solid #ddd;
-  background-color: #F9A22C;
+  background-color: #FF6B35;
   cursor: move;
 }
 
@@ -258,7 +258,7 @@ dialog-footer {
   margin-left: 10px;
   padding: 5px 10px;
   cursor: pointer;
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000000;
   border: none;
   border-radius: 4px;
@@ -266,9 +266,9 @@ dialog-footer {
 }
 
 .dialog-button:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: #FFF4F0;
+  color: #5D4037;
+  border: 1px solid #5D4037;
 }
 
 .is-active {
diff --git a/frontend/src/components/MessageboxWidget.vue b/frontend/src/components/MessageboxWidget.vue
index a32006a..ee78b48 100644
--- a/frontend/src/components/MessageboxWidget.vue
+++ b/frontend/src/components/MessageboxWidget.vue
@@ -133,7 +133,7 @@ export default {
     justify-content: space-between;
     padding: 10px 20px;
     border-bottom: 1px solid #ddd;
-    background-color: #F9A22C;
+    background-color: #FF6B35;
 }
 
 .dialog-icon {
diff --git a/frontend/src/components/SettingsWidget.vue b/frontend/src/components/SettingsWidget.vue
index 9370c92..04d456a 100644
--- a/frontend/src/components/SettingsWidget.vue
+++ b/frontend/src/components/SettingsWidget.vue
@@ -253,9 +253,9 @@ export default {
         margin-left: 10px;
         padding: 5px 12px;
         cursor: pointer;
-        background: #F9A22C;
+        background: #FF6B35;
         color: #000000;
-        border: 1px solid #F9A22C;
+        border: 1px solid #FF6B35;
         border-radius: 4px;
         transition: background 0.05s;
         border: 1px solid transparent;
@@ -263,8 +263,8 @@ export default {
     }
     
     .contact-button:hover {
-        background: #fdf1db;
-        color: #7E471B;
-        border: 1px solid #7E471B;
+        background: #FFF4F0;
+        color: #5D4037;
+        border: 1px solid #5D4037;
     }
 </style>
\ No newline at end of file
diff --git a/frontend/src/components/SimpleTabs.vue b/frontend/src/components/SimpleTabs.vue
index 2e7a884..1b07ac3 100644
--- a/frontend/src/components/SimpleTabs.vue
+++ b/frontend/src/components/SimpleTabs.vue
@@ -57,7 +57,7 @@ export default {
 }
 
 .simple-tab.active {
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000;
 }
 </style>
diff --git a/frontend/src/components/falukant/MessagesDialog.vue b/frontend/src/components/falukant/MessagesDialog.vue
index 36ecd11..a629cce 100644
--- a/frontend/src/components/falukant/MessagesDialog.vue
+++ b/frontend/src/components/falukant/MessagesDialog.vue
@@ -821,7 +821,7 @@ export default {
 }
 
 .messages > li .footer {
-  color: #f9a22c;
+  color: #FF6B35;
   font-size: 0.8em;
   margin-top: 0.3em;
   display: flex;
diff --git a/frontend/src/components/falukant/RevenueSection.vue b/frontend/src/components/falukant/RevenueSection.vue
index af5ea86..3799e8e 100644
--- a/frontend/src/components/falukant/RevenueSection.vue
+++ b/frontend/src/components/falukant/RevenueSection.vue
@@ -218,11 +218,11 @@
     opacity: 0.9;
   }
   .city-price-green {
-    background-color: #90EE90;
+    background-color: var(--color-primary-green);
     color: #000;
   }
   .city-price-orange {
-    background-color: #FFA500;
+    background-color: #FF6B35;
     color: #000;
   }
   .city-price-red {
diff --git a/frontend/src/components/falukant/SaleSection.vue b/frontend/src/components/falukant/SaleSection.vue
index 9b73794..f44e84d 100644
--- a/frontend/src/components/falukant/SaleSection.vue
+++ b/frontend/src/components/falukant/SaleSection.vue
@@ -627,11 +627,11 @@
     cursor: help;
   }
   .city-price-green {
-    background-color: #90EE90;
+    background-color: var(--color-primary-green);
     color: #000;
   }
   .city-price-orange {
-    background-color: #FFA500;
+    background-color: #FF6B35;
     color: #000;
   }
   .city-price-red {
diff --git a/frontend/src/views/home/NoLoginView.vue b/frontend/src/views/home/NoLoginView.vue
index 7175884..a3252cf 100644
--- a/frontend/src/views/home/NoLoginView.vue
+++ b/frontend/src/views/home/NoLoginView.vue
@@ -174,26 +174,26 @@ export default {
 
 .actions>div {
     flex: 1;
-    background-color: #fdf1db;
+    background-color: #FFF4F0;
     align-items: center;
     justify-content: flex-start;
     display: flex;
-    color: #7E471B;
+    color: #5D4037;
     flex-direction: column;
     overflow: auto;
     padding: 0.5rem;
 }
 
 .actions>div>h2 {
-    color: #F9A22C;
+    color: #FF6B35;
 }
 
 .seo-content {
     max-width: 1000px;
     margin: 24px auto 0 auto;
     padding: 0 16px 40px 16px;
-    color: #7E471B;
-    background-color: #fdf1db;
+    color: #5D4037;
+    background-color: #FFF4F0;
     border: 1px solid rgba(0, 0, 0, 0.06);
     border-radius: 4px;
 }
diff --git a/frontend/src/views/social/VocabCourseView.vue b/frontend/src/views/social/VocabCourseView.vue
index 2da6b4b..ba68374 100644
--- a/frontend/src/views/social/VocabCourseView.vue
+++ b/frontend/src/views/social/VocabCourseView.vue
@@ -321,9 +321,9 @@ export default {
 
 .btn-current-lesson {
   padding: 12px 24px;
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000000;
-  border: 1px solid #F9A22C;
+  border: 1px solid #FF6B35;
   border-radius: 4px;
   cursor: pointer;
   font-size: 1em;
@@ -332,9 +332,9 @@ export default {
 }
 
 .btn-current-lesson:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: #FFF4F0;
+  color: #5D4037;
+  border: 1px solid #5D4037;
 }
 
 .lessons-table {
@@ -491,9 +491,9 @@ export default {
 
 .btn-start {
   padding: 8px 16px;
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000000;
-  border: 1px solid #F9A22C;
+  border: 1px solid #FF6B35;
   border-radius: 4px;
   cursor: pointer;
   font-size: 0.9em;
@@ -502,9 +502,9 @@ export default {
 }
 
 .btn-start:hover:not(:disabled) {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: #FFF4F0;
+  color: #5D4037;
+  border: 1px solid #5D4037;
 }
 
 .btn-start:disabled {
@@ -517,9 +517,9 @@ export default {
 
 .btn-edit {
   padding: 6px 12px;
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000000;
-  border: 1px solid #F9A22C;
+  border: 1px solid #FF6B35;
   border-radius: 4px;
   cursor: pointer;
   font-size: 0.85em;
@@ -527,9 +527,9 @@ export default {
 }
 
 .btn-edit:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: #FFF4F0;
+  color: #5D4037;
+  border: 1px solid #5D4037;
 }
 
 .btn-delete {
diff --git a/frontend/src/views/social/VocabLessonView.vue b/frontend/src/views/social/VocabLessonView.vue
index 69a35de..644844f 100644
--- a/frontend/src/views/social/VocabLessonView.vue
+++ b/frontend/src/views/social/VocabLessonView.vue
@@ -1801,9 +1801,9 @@ export default {
 
 .btn-switch-mode {
   padding: 8px 16px;
-  background: #F9A22C;
+  background: #FF6B35;
   color: #000000;
-  border: 1px solid #F9A22C;
+  border: 1px solid #FF6B35;
   border-radius: 4px;
   cursor: pointer;
   font-size: 0.9em;
@@ -1812,9 +1812,9 @@ export default {
 }
 
 .btn-switch-mode:hover {
-  background: #fdf1db;
-  color: #7E471B;
-  border: 1px solid #7E471B;
+  background: #FFF4F0;
+  color: #5D4037;
+  border: 1px solid #5D4037;
 }
 
 .vocab-answer-area.multiple-choice {
@@ -2114,7 +2114,7 @@ export default {
   justify-content: space-between;
   padding: 10px 20px;
   border-bottom: 1px solid #ddd;
-  background-color: #F9A22C;
+  background-color: #FF6B35;
 }
 
 .dialog-title {