diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index 764808b..25ab500 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -1,95 +1,105 @@
 <template>
-  <div id="app" class="min-h-screen bg-gray-50">
-    <!-- Header -->
-    <header class="bg-white shadow-sm border-b sticky top-0 z-40">
+  <div id="app" class="min-h-screen bg-gray-50 dark:bg-gray-900">
+    <header
+      class="bg-white dark:bg-gray-800 shadow-sm border-b border-gray-200 dark:border-gray-700 sticky top-0 z-40">
       <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
         <div class="flex items-center justify-between h-16">
-          <h1 class="text-xl sm:text-2xl font-bold text-gray-900">Owly News</h1>
+          <h1 class="text-xl sm:text-2xl font-bold text-gray-900 dark:text-white">Owly News</h1>
 
-          <!-- Mobile Menu Button -->
-          <button
-            @click="showMobileMenu = !showMobileMenu"
-            class="lg:hidden p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100"
+          <div class="flex items-center gap-4">
+            <button
+              @click="toggleDarkMode"
+              class="p-2 rounded-md text-gray-400 hover:text-gray-500 dark:text-gray-300 dark:hover:text-gray-100 hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer"
+            >
+              <svg v-if="darkMode.isDarkMode" class="h-6 w-6" fill="none" stroke="currentColor"
+                   viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                      d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z"/>
+              </svg>
+              <svg v-else class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                      d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z"/>
+              </svg>
+            </button>
+
+            <button
+              @click="showMobileMenu = !showMobileMenu"
+              class="lg:hidden p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 cursor-pointer"
+            >
+              <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                      d="M4 6h16M4 12h16M4 18h16"/>
+              </svg>
+            </button>
+
+            <nav class="hidden lg:flex space-x-4">
+              <button
+                v-for="tab in tabs"
+                :key="tab.id"
+                @click="activeTab = tab.id"
+                :class="[
+                'px-3 py-2 rounded-md text-sm font-medium transition-colors cursor-pointer',
+                activeTab === tab.id
+                  ? 'bg-green-100 dark:bg-green-900 text-green-700 dark:text-green-300'
+                  : 'text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 hover:bg-gray-100 dark:hover:bg-gray-700'
+              ]"
+              >
+                {{ tab.label }}
+              </button>
+            </nav>
+          </div>
+
+          <div
+            :class="{ 'hidden': !showMobileMenu }"
+            class="lg:hidden py-2 border-t"
           >
-            <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16" />
-            </svg>
-          </button>
-
-          <!-- Desktop Navigation -->
-          <nav class="hidden lg:flex space-x-4">
-            <button
-              v-for="tab in tabs"
-              :key="tab.id"
-              @click="activeTab = tab.id"
-              :class="[
-                'px-3 py-2 rounded-md text-sm font-medium transition-colors',
+            <div class="flex flex-col space-y-1">
+              <button
+                v-for="tab in tabs"
+                :key="tab.id"
+                @click="activeTab = tab.id; showMobileMenu = false"
+                :class="[
+                'px-3 py-2 rounded-md text-left text-base font-medium transition-colors cursor-pointer',
                 activeTab === tab.id
-                  ? 'bg-green-100 text-green-700'
-                  : 'text-gray-500 hover:text-gray-700 hover:bg-gray-100'
+                  ? 'bg-green-100 dark:bg-green-900 text-green-700 dark:text-green-300'
+                  : 'text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 hover:bg-gray-100 dark:hover:bg-gray-700'
               ]"
-            >
-              {{ tab.label }}
-            </button>
-          </nav>
-        </div>
-
-        <!-- Mobile Navigation -->
-        <div
-          :class="{ 'hidden': !showMobileMenu }"
-          class="lg:hidden py-2 border-t"
-        >
-          <div class="flex flex-col space-y-1">
-            <button
-              v-for="tab in tabs"
-              :key="tab.id"
-              @click="activeTab = tab.id; showMobileMenu = false"
-              :class="[
-                'px-3 py-2 rounded-md text-left text-base font-medium transition-colors',
-                activeTab === tab.id
-                  ? 'bg-green-100 text-green-700'
-                  : 'text-gray-500 hover:text-gray-700 hover:bg-gray-100'
-              ]"
-            >
-              {{ tab.label }}
-            </button>
+              >
+                {{ tab.label }}
+              </button>
+            </div>
           </div>
         </div>
       </div>
     </header>
 
     <main class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-4 sm:py-6 lg:py-8">
-      <!-- Management Tab -->
       <div v-if="activeTab === 'management'" class="space-y-6">
-        <!-- Control Panel - Responsive Grid -->
         <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
-          <SyncButton />
-          <NewsRefreshButton />
-          <ModelStatus />
+          <SyncButton/>
+          <NewsRefreshButton/>
+          <ModelStatus/>
         </div>
 
-        <!-- Management Tools -->
         <div class="grid grid-cols-1 xl:grid-cols-2 gap-6">
-          <FeedManager />
-          <CronSlider />
+          <FeedManager/>
+          <CronSlider/>
         </div>
       </div>
 
-      <!-- News Tab -->
       <div v-if="activeTab === 'news'" class="space-y-6">
-        <!-- News Filters -->
-        <NewsFilters />
+        <NewsFilters/>
 
-        <!-- News List -->
-        <NewsList />
+        <NewsList/>
       </div>
     </main>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue';
-import { useNews } from './stores/useNews';
+import {ref, onMounted} from 'vue';
+import {useNews} from './stores/useNews';
+import {useDarkMode} from './stores/useDarkMode';
 import SyncButton from './components/SyncButton.vue';
 import NewsRefreshButton from './components/NewsRefreshButton.vue';
 import ModelStatus from './components/ModelStatus.vue';
@@ -99,19 +109,27 @@ import NewsFilters from './components/NewsFilters.vue';
 import NewsList from './components/NewsList.vue';
 
 const news = useNews();
+const darkMode = useDarkMode();
 const activeTab = ref('news');
 const showMobileMenu = ref(false);
 
+const toggleDarkMode = () => {
+  darkMode.toggleDarkMode();
+};
+
+onMounted(() => {
+  darkMode.initDarkMode();
+});
+
 const tabs = [
-  { id: 'news', label: 'News' },
-  { id: 'management', label: 'Management' }
+  {id: 'news', label: 'News'},
+  {id: 'management', label: 'Management'}
 ];
 
 onMounted(async () => {
   await news.loadLastSync();
 });
 
-// Close mobile menu when clicking outside
 document.addEventListener('click', (e) => {
   if (showMobileMenu.value && !(e.target as Element).closest('header')) {
     showMobileMenu.value = false;
@@ -120,7 +138,6 @@ document.addEventListener('click', (e) => {
 </script>
 
 <style scoped>
-/* Component-scoped styles to prevent global conflicts */
 #app {
   display: block;
   grid-template-columns: none;
diff --git a/frontend/src/components/ArticleModal.vue b/frontend/src/components/ArticleModal.vue
index 9047916..266bba1 100644
--- a/frontend/src/components/ArticleModal.vue
+++ b/frontend/src/components/ArticleModal.vue
@@ -1,4 +1,3 @@
-
 <template>
   <Teleport to="body">
     <Transition
@@ -12,24 +11,26 @@
     >
       <div
         v-if="isOpen"
-        class="fixed inset-0 z-50 flex items-center justify-center p-4 backdrop-blur-md bg-white/20"
+        class="fixed inset-0 z-50 flex items-center justify-center p-4 backdrop-blur-md bg-white/20 dark:bg-black/20"
         @click="closeModal"
       >
         <div
-          class="bg-white/95 backdrop-blur-xl rounded-2xl shadow-2xl border border-white/20 max-w-2xl w-full max-h-[90vh] overflow-hidden modal-content"
+          class="bg-white/95 dark:bg-gray-800/95 backdrop-blur-xl rounded-2xl shadow-2xl border border-white/20 dark:border-gray-700/20 max-w-2xl w-full max-h-[90vh] overflow-hidden modal-content"
           @click.stop
         >
           <!-- Modal Header with glass effect -->
-          <div class="sticky top-0 bg-white/80 backdrop-blur-sm border-b border-white/30 px-6 py-4">
+          <div
+            class="sticky top-0 bg-white/80 dark:bg-gray-800/80 backdrop-blur-sm border-b border-white/30 dark:border-gray-700/30 px-6 py-4">
             <div class="flex items-start justify-between">
               <div class="flex-1">
                 <!-- Country badge with glass effect -->
-                <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-white/60 backdrop-blur-sm text-gray-800 border border-white/30 mb-2">
+                <span
+                  class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-white/60 dark:bg-gray-700/60 backdrop-blur-sm text-gray-800 dark:text-gray-200 border border-white/30 dark:border-gray-600/30 mb-2">
                   {{ article?.country }}
                 </span>
 
                 <!-- Title -->
-                <h3 class="text-lg font-semibold text-gray-900 leading-6 pr-4">
+                <h3 class="text-lg font-semibold text-gray-900 dark:text-white leading-6 pr-4">
                   {{ article?.title }}
                 </h3>
 
@@ -37,7 +38,7 @@
                 <time
                   v-if="article"
                   :datetime="new Date(article.published * 1000).toISOString()"
-                  class="text-sm text-gray-600 block mt-2"
+                  class="text-sm text-gray-600 dark:text-gray-400 block mt-2"
                 >
                   {{ formatDate(article.published) }}
                 </time>
@@ -46,11 +47,12 @@
               <!-- Close button with glass effect -->
               <button
                 @click="closeModal"
-                class="flex-shrink-0 bg-white/60 backdrop-blur-sm rounded-full p-2 text-gray-500 hover:text-gray-700 hover:bg-white/80 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 border border-white/30 transition-all duration-200"
+                class="flex-shrink-0 bg-white/60 dark:bg-gray-700/60 backdrop-blur-sm rounded-full p-2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200 hover:bg-white/80 dark:hover:bg-gray-600/80 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 dark:focus:ring-green-600 border border-white/30 dark:border-gray-600/30 transition-all duration-200"
               >
                 <span class="sr-only">Close</span>
                 <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                        d="M6 18L18 6M6 6l12 12"/>
                 </svg>
               </button>
             </div>
@@ -60,23 +62,28 @@
           <div class="px-6 py-4 overflow-y-auto custom-scrollbar">
             <!-- Full Summary -->
             <div class="mb-6">
-              <h4 class="text-sm font-medium text-gray-700 mb-3 flex items-center">
-                <svg class="w-4 h-4 mr-2 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+              <h4
+                class="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3 flex items-center">
+                <svg class="w-4 h-4 mr-2 text-green-600" fill="none" stroke="currentColor"
+                     viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                        d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
                 </svg>
                 Summary
               </h4>
               <div class="prose prose-sm max-w-none">
-                <p class="text-gray-800 leading-relaxed whitespace-pre-wrap">{{ article?.summary }}</p>
+                <p class="text-gray-800 dark:text-gray-200 leading-relaxed whitespace-pre-wrap">
+                  {{ article?.summary }}</p>
               </div>
             </div>
           </div>
 
           <!-- Modal Footer with glass effect -->
-          <div class="sticky bottom-0 bg-white/80 backdrop-blur-sm border-t border-white/30 px-6 py-4 flex flex-col sm:flex-row gap-3 sm:justify-between">
+          <div
+            class="sticky bottom-0 bg-white/80 dark:bg-gray-800/80 backdrop-blur-sm border-t border-white/30 dark:border-gray-700/30 px-6 py-4 flex flex-col sm:flex-row gap-3 sm:justify-between">
             <button
               @click="closeModal"
-              class="inline-flex justify-center px-4 py-2 text-sm font-medium text-gray-700 bg-white/60 backdrop-blur-sm border border-white/40 rounded-lg shadow-sm hover:bg-white/80 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 transition-all duration-200"
+              class="inline-flex justify-center px-4 py-2 text-sm font-medium text-gray-700 dark:text-gray-300 bg-white/60 dark:bg-gray-700/60 backdrop-blur-sm border border-white/40 dark:border-gray-600/40 rounded-lg shadow-sm hover:bg-white/80 dark:hover:bg-gray-600/80 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 dark:focus:ring-green-600 transition-all duration-200"
             >
               Close
             </button>
@@ -90,7 +97,8 @@
             >
               Read Full Article
               <svg class="w-4 h-4 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                      d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"/>
               </svg>
             </a>
           </div>
@@ -101,7 +109,7 @@
 </template>
 
 <script setup lang="ts">
-import { watch, onUnmounted } from 'vue';
+import {watch, onUnmounted} from 'vue';
 
 interface Article {
   id: number;
@@ -188,12 +196,20 @@ function formatDate(timestamp: number): string {
   border-radius: 3px;
 }
 
+:root.dark .custom-scrollbar::-webkit-scrollbar-track {
+  background: rgba(0, 0, 0, 0.1);
+}
+
 .custom-scrollbar::-webkit-scrollbar-thumb {
   background: rgba(16, 185, 129, 0.3);
   border-radius: 3px;
   backdrop-filter: blur(4px);
 }
 
+:root.dark .custom-scrollbar::-webkit-scrollbar-thumb {
+  background: rgba(16, 185, 129, 0.4);
+}
+
 .custom-scrollbar::-webkit-scrollbar-thumb:hover {
   background: rgba(16, 185, 129, 0.5);
 }
diff --git a/frontend/src/components/CronSlider.vue b/frontend/src/components/CronSlider.vue
index a1dd3f0..3c88fbd 100644
--- a/frontend/src/components/CronSlider.vue
+++ b/frontend/src/components/CronSlider.vue
@@ -20,10 +20,10 @@ async function update() {
 }
 </script>
 <template>
-  <div class="p-4 bg-white rounded shadow">
+  <div class="p-4 bg-white dark:bg-gray-800 rounded shadow dark:shadow-gray-700 dark:text-gray-200">
     <label class="block font-semibold mb-2">Fetch Interval (Stunden)</label>
     <input type="range" min="0.5" max="24" step="0.5" v-model="hours" @change="update"
-           class="w-full"/>
+           class="w-full accent-green-600 dark:accent-green-500"/>
     <p class="text-sm mt-2">{{ hours }} h <span v-if="saving" class="animate-pulse">…</span></p>
   </div>
 </template>
diff --git a/frontend/src/components/FeedManager.vue b/frontend/src/components/FeedManager.vue
index 8f050e7..7c0a3bc 100644
--- a/frontend/src/components/FeedManager.vue
+++ b/frontend/src/components/FeedManager.vue
@@ -15,23 +15,30 @@ async function add() {
 }
 </script>
 <template>
-  <div class="bg-white rounded p-4 shadow space-y-2">
-    <h2 class="font-semibold text-lg">Feeds verwalten</h2>
+  <div class="bg-white dark:bg-gray-800 rounded p-4 shadow space-y-2">
+    <h2 class="font-semibold text-lg dark:text-gray-200">Feeds verwalten</h2>
 
     <div class="flex gap-2">
-      <select v-model="country" class="border rounded p-1 flex-1">
+      <select v-model="country"
+              class="border dark:border-gray-600 dark:bg-gray-700 dark:text-gray-200 rounded p-1 flex-1">
         <option>DE</option>
         <option>FR</option>
         <option>EU</option>
       </select>
-      <input v-model="url" placeholder="https://…" class="border rounded p-1 flex-[3]"/>
-      <button @click="add" class="bg-green-600 text-white px-3 rounded">+</button>
+      <input v-model="url" placeholder="https://…"
+             class="border dark:border-gray-600 dark:bg-gray-700 dark:text-gray-200 rounded p-1 flex-[3]"/>
+      <button @click="add"
+              class="bg-green-600 hover:bg-green-700 dark:bg-green-700 dark:hover:bg-green-800 text-white px-3 rounded">
+        +
+      </button>
     </div>
 
     <ul class="list-disc pl-5">
       <li v-for="(f, index) in feeds.list" :key="index" class="flex justify-between items-center">
-        <span>{{ f.country }} — {{ f.url }}</span>
-        <button @click="feeds.remove(f.url)" class="text-red-600">✕</button>
+        <span class="dark:text-gray-200">{{ f.country }} — {{ f.url }}</span>
+        <button @click="feeds.remove(f.url)"
+                class="text-red-600 dark:text-red-400 hover:text-red-700 dark:hover:text-red-500">✕
+        </button>
       </li>
     </ul>
   </div>
diff --git a/frontend/src/components/ModelStatus.vue b/frontend/src/components/ModelStatus.vue
index db78aaa..6000569 100644
--- a/frontend/src/components/ModelStatus.vue
+++ b/frontend/src/components/ModelStatus.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import { onMounted } from 'vue';
-import { useModel } from '../stores/useModel';
+import {onMounted} from 'vue';
+import {useModel} from '../stores/useModel';
 
 const model = useModel();
 
@@ -10,29 +10,29 @@ onMounted(async () => {
 </script>
 
 <template>
-  <div class="bg-white rounded p-4 shadow">
-    <h3 class="font-semibold mb-2">Model Status</h3>
+  <div class="bg-white dark:bg-gray-800 rounded p-4 shadow">
+    <h3 class="font-semibold mb-2 text-gray-900 dark:text-white">Model Status</h3>
 
-    <div v-if="model.status === 'loading'" class="text-gray-600">
+    <div v-if="model.status === 'loading'" class="text-gray-600 dark:text-gray-400">
       Loading model information...
     </div>
 
-    <div v-else-if="model.status === 'error'" class="text-red-600">
+    <div v-else-if="model.status === 'error'" class="text-red-600 dark:text-red-400">
       Error: {{ model.error }}
     </div>
 
     <div v-else>
       <div class="flex items-center mb-2">
-        <span class="font-medium mr-2">Name:</span>
-        <span>{{ model.name }}</span>
+        <span class="font-medium mr-2 text-gray-900 dark:text-white">Name:</span>
+        <span class="dark:text-gray-200">{{ model.name }}</span>
       </div>
 
       <div class="flex items-center">
-        <span class="font-medium mr-2">Status:</span>
+        <span class="font-medium mr-2 text-gray-900 dark:text-white">Status:</span>
         <span
           :class="{
-            'text-green-600': model.status === 'ready',
-            'text-red-600': model.status === 'not available'
+            'text-green-600 dark:text-green-400': model.status === 'ready',
+            'text-red-600 dark:text-red-400': model.status === 'not available'
           }"
         >
           {{ model.status }}
diff --git a/frontend/src/components/NewsFilters.vue b/frontend/src/components/NewsFilters.vue
index 81825fd..505b83f 100644
--- a/frontend/src/components/NewsFilters.vue
+++ b/frontend/src/components/NewsFilters.vue
@@ -1,12 +1,13 @@
 <template>
-  <div class="bg-white rounded-lg shadow-sm border overflow-hidden">
+  <div
+    class="bg-white dark:bg-gray-800 rounded-lg shadow-sm border dark:border-gray-700 overflow-hidden">
     <!-- Mobile Header with Toggle -->
     <div class="lg:hidden">
       <button
         @click="showFilters = !showFilters"
         class="w-full px-4 py-3 flex items-center justify-between bg-gray-50 hover:bg-gray-100 transition-colors"
       >
-        <span class="font-medium text-gray-900">Filters</span>
+        <span class="font-medium text-gray-900 dark:text-white">Filters</span>
         <div class="flex items-center space-x-2">
           <span class="text-sm text-gray-500">{{ articleCount }} articles</span>
           <svg
@@ -16,16 +17,17 @@
             stroke="currentColor"
             viewBox="0 0 24 24"
           >
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                  d="M19 9l-7 7-7-7"/>
           </svg>
         </div>
       </button>
     </div>
 
     <!-- Desktop Header -->
-    <div class="hidden lg:block px-6 py-4 border-b">
+    <div class="hidden lg:block px-6 py-4 border-b dark:border-gray-700">
       <div class="flex items-center justify-between">
-        <h3 class="text-lg font-medium text-gray-900">News Filters</h3>
+        <h3 class="text-lg font-medium text-gray-900 dark:text-white">News Filters</h3>
         <span class="text-sm text-gray-500">{{ articleCount }} articles found</span>
       </div>
     </div>
@@ -38,9 +40,9 @@
       <!-- Mobile/Tablet: Stacked Layout -->
       <div class="lg:hidden space-y-6">
         <!-- Country Filter Mobile -->
-        <div class="bg-gray-50 rounded-lg p-4">
-          <h4 class="font-medium text-gray-900 mb-3">Countries</h4>
-          <div class="space-y-3">
+        <div class="bg-gray-50 dark:bg-gray-800 dark:text-gray-200 rounded-lg p-4">
+          <h4 class="font-medium text-gray-900 dark:text-white mb-3">Countries</h4>
+          <div class="space-y-3 ">
             <label class="flex items-center">
               <input
                 type="checkbox"
@@ -48,7 +50,7 @@
                 @change="onAllCountriesChange"
                 class="rounded border-gray-300 text-green-600 focus:ring-green-500"
               />
-              <span class="ml-3 text-sm font-medium">All Countries</span>
+              <span class="ml-3 text-sm dark:text-gray-200">All Countries</span>
             </label>
             <div v-if="!filters.allCountries" class="grid grid-cols-2 gap-2 pl-6">
               <label v-for="country in availableCountries" :key="country" class="flex items-center">
@@ -65,8 +67,8 @@
         </div>
 
         <!-- Date Filter Mobile -->
-        <div class="bg-gray-50 rounded-lg p-4">
-          <h4 class="font-medium text-gray-900 mb-3">Date Range</h4>
+        <div class="bg-gray-50 dark:bg-gray-800 rounded-lg p-4">
+          <h4 class="font-medium text-gray-900 dark:text-white mb-3">Date Range</h4>
           <div class="space-y-3">
             <label class="flex items-center">
               <input
@@ -75,16 +77,16 @@
                 @change="onAllDatesChange"
                 class="rounded border-gray-300 text-green-600 focus:ring-green-500"
               />
-              <span class="ml-3 text-sm font-medium">All Dates</span>
+              <span class="ml-3 text-sm font-medium dark:text-gray-200">All Dates</span>
             </label>
             <div v-if="!filters.allDates" class="space-y-3 pl-6">
               <div class="grid grid-cols-2 gap-3">
                 <div>
-                  <label class="block text-xs font-medium text-gray-700 mb-1">From</label>
+                  <label class="block text-xs font-medium text-gray-700 dark:text-gray-200 mb-1">From</label>
                   <input
                     type="date"
                     v-model="filters.fromDate"
-                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500"
+                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500 dark:text-gray-200"
                   />
                 </div>
                 <div>
@@ -92,20 +94,20 @@
                   <input
                     type="date"
                     v-model="filters.toDate"
-                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500"
+                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500 dark:text-gray-200"
                   />
                 </div>
               </div>
 
               <!-- Quick Presets Mobile -->
               <div>
-                <label class="block text-xs font-medium text-gray-700 mb-2">Quick Presets</label>
+                <h4 class="font-medium text-gray-900 dark:text-white mb-3">Quick Presets</h4>
                 <div class="grid grid-cols-2 gap-2">
                   <button
                     v-for="preset in datePresets"
                     :key="preset.label"
                     @click="applyDatePreset(preset)"
-                    class="px-3 py-2 text-sm text-green-600 bg-green-50 hover:bg-green-100 rounded-md transition-colors"
+                    class="px-3 py-2 text-sm text-green-600 bg-green-50 hover:bg-green-100 dark:hover:bg-green-700 rounded-md transition-colors"
                   >
                     {{ preset.label }}
                   </button>
@@ -123,9 +125,12 @@
             class="flex-1 px-4 py-3 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:bg-gray-400 disabled:cursor-not-allowed font-medium transition-colors"
           >
             <span v-if="isLoading" class="flex items-center justify-center">
-              <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-white" fill="none" viewBox="0 0 24 24">
-                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+              <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-white" fill="none"
+                   viewBox="0 0 24 24">
+                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor"
+                        stroke-width="4"></circle>
+                <path class="opacity-75" fill="currentColor"
+                      d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
               </svg>
               Loading...
             </span>
@@ -145,7 +150,8 @@
       <div class="hidden lg:grid lg:grid-cols-4 gap-6">
         <!-- Country Filter Desktop -->
         <div>
-          <label class="block text-sm font-medium text-gray-700 mb-3">Countries</label>
+          <label
+            class="block text-sm font-medium text-gray-700 dark:text-white mb-3">Countries</label>
           <div class="space-y-2">
             <label class="flex items-center">
               <input
@@ -154,7 +160,7 @@
                 @change="onAllCountriesChange"
                 class="rounded border-gray-300 text-green-600 focus:ring-green-500"
               />
-              <span class="ml-2 text-sm font-medium">All Countries</span>
+              <span class="ml-2 text-sm font-medium dark:text-white">All Countries</span>
             </label>
             <div v-if="!filters.allCountries" class="space-y-1 max-h-40 overflow-y-auto">
               <label v-for="country in availableCountries" :key="country" class="flex items-center">
@@ -164,7 +170,7 @@
                   v-model="filters.selectedCountries"
                   class="rounded border-gray-300 text-green-600 focus:ring-green-500"
                 />
-                <span class="ml-2 text-sm">{{ country }}</span>
+                <span class="ml-2 text-sm dark:text-gray-200">{{ country }}</span>
               </label>
             </div>
           </div>
@@ -172,7 +178,8 @@
 
         <!-- Date Range Filter Desktop -->
         <div>
-          <label class="block text-sm font-medium text-gray-700 mb-3">Date Range</label>
+          <label class="block text-sm font-medium text-gray-700 dark:text-white mb-3">Date
+            Range</label>
           <div class="space-y-2">
             <label class="flex items-center">
               <input
@@ -181,23 +188,23 @@
                 @change="onAllDatesChange"
                 class="rounded border-gray-300 text-green-600 focus:ring-green-500"
               />
-              <span class="ml-2 text-sm font-medium">All Dates</span>
+              <span class="ml-2 text-sm font-medium dark:text-white">All Dates</span>
             </label>
             <div v-if="!filters.allDates" class="space-y-2">
               <div>
-                <label class="block text-xs text-gray-500 mb-1">From</label>
+                <label class="block text-xs text-gray-500 dark:text-gray-400 mb-1">From</label>
                 <input
                   type="date"
                   v-model="filters.fromDate"
-                  class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500"
+                  class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white"
                 />
               </div>
               <div>
-                <label class="block text-xs text-gray-500 mb-1">To</label>
+                <label class="block text-xs text-gray-500 dark:text-gray-400 mb-1">To</label>
                 <input
                   type="date"
                   v-model="filters.toDate"
-                  class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500"
+                  class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-green-500 focus:border-green-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white"
                 />
               </div>
             </div>
@@ -206,13 +213,14 @@
 
         <!-- Quick Date Presets Desktop -->
         <div v-if="!filters.allDates">
-          <label class="block text-sm font-medium text-gray-700 mb-3">Quick Presets</label>
+          <label class="block text-sm font-medium text-gray-700 dark:text-white mb-3">Quick
+            Presets</label>
           <div class="space-y-1">
             <button
               v-for="preset in datePresets"
               :key="preset.label"
               @click="applyDatePreset(preset)"
-              class="block w-full text-left px-3 py-2 text-sm text-green-600 hover:bg-green-50 rounded-md transition-colors"
+              class="block w-full text-left px-3 py-2 text-sm text-green-600 dark:text-green-400 hover:bg-green-50 dark:hover:bg-green-900 rounded-md transition-colors"
             >
               {{ preset.label }}
             </button>
@@ -224,12 +232,15 @@
           <button
             @click="applyFilters"
             :disabled="isLoading"
-            class="px-4 py-2 bg-green-600 text-white rounded-md hover:bg-green-700 disabled:bg-gray-400 disabled:cursor-not-allowed font-medium transition-colors"
+            class="px-4 py-2 bg-green-600 text-white rounded-md hover:bg-green-700 disabled:bg-gray-400 dark:disabled:bg-gray-600 disabled:cursor-not-allowed font-medium transition-colors"
           >
             <span v-if="isLoading" class="flex items-center justify-center">
-              <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-white" fill="none" viewBox="0 0 24 24">
-                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+              <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-white" fill="none"
+                   viewBox="0 0 24 24">
+                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor"
+                        stroke-width="4"></circle>
+                <path class="opacity-75" fill="currentColor"
+                      d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
               </svg>
               Loading...
             </span>
@@ -249,9 +260,9 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue';
-import { useNews } from '../stores/useNews';
-import { useFeeds } from '../stores/useFeeds';
+import {ref, onMounted, computed} from 'vue';
+import {useNews} from '../stores/useNews';
+import {useFeeds} from '../stores/useFeeds';
 
 const news = useNews();
 const feeds = useFeeds();
diff --git a/frontend/src/components/NewsList.vue b/frontend/src/components/NewsList.vue
index e43768a..beb9f01 100644
--- a/frontend/src/components/NewsList.vue
+++ b/frontend/src/components/NewsList.vue
@@ -2,11 +2,14 @@
   <div>
     <!-- Empty State -->
     <div v-if="news.articles.length === 0" class="text-center py-12">
-      <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h4" />
+      <svg class="mx-auto h-12 w-12 text-gray-400 dark:text-gray-500" fill="none"
+           stroke="currentColor" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+              d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h4"/>
       </svg>
-      <h3 class="mt-4 text-lg font-medium text-gray-900">No articles found</h3>
-      <p class="mt-2 text-gray-500">Try adjusting your filters to see more results.</p>
+      <h3 class="mt-4 text-lg font-medium text-gray-900 dark:text-white">No articles found</h3>
+      <p class="mt-2 text-gray-500 dark:text-gray-400">Try adjusting your filters to see more
+        results.</p>
     </div>
 
     <!-- Articles Grid -->
@@ -14,12 +17,13 @@
       <article
         v-for="article in news.articles"
         :key="article.id"
-        class="bg-white rounded-lg shadow-sm border hover:shadow-md transition-all duration-200 overflow-hidden group"
+        class="bg-white dark:bg-gray-800 rounded-lg shadow-sm border border-gray-200 dark:border-gray-700 hover:shadow-md dark:hover:shadow-lg dark:hover:shadow-gray-800/50 transition-all duration-200 overflow-hidden group"
       >
         <!-- Article Header -->
         <div class="p-4 sm:p-6">
           <div class="flex items-start justify-between mb-3">
-            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800">
+            <span
+              class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 dark:bg-gray-700 text-gray-800 dark:text-gray-200">
               {{ article.country }}
             </span>
             <time
@@ -31,14 +35,16 @@
           </div>
 
           <!-- Title -->
-          <h3 class="text-base sm:text-lg font-semibold text-gray-900 mb-3 line-clamp-2 group-hover:text-green-600 transition-colors">
+          <h3
+            class="text-base sm:text-lg font-semibold text-gray-900 dark:text-white mb-3 line-clamp-2 group-hover:text-green-600 dark:group-hover:text-green-400 transition-colors">
             <a :href="article.url" target="_blank" rel="noopener noreferrer">
               {{ article.title }}
             </a>
           </h3>
 
           <!-- Summary -->
-          <p class="text-sm sm:text-base text-gray-700 line-clamp-3 mb-4 leading-relaxed">
+          <p
+            class="text-sm sm:text-base text-gray-700 dark:text-gray-300 line-clamp-3 mb-4 leading-relaxed">
             {{ article.summary }}
           </p>
 
@@ -49,8 +55,10 @@
           >
             View full summary
             <svg class="ml-1 w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
-              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                    d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                    d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/>
             </svg>
           </button>
         </div>
@@ -65,7 +73,8 @@
           >
             Read full article
             <svg class="ml-1 w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                    d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"/>
             </svg>
           </a>
         </div>
@@ -89,8 +98,8 @@
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue';
-import { useNews } from '../stores/useNews';
+import {ref} from 'vue';
+import {useNews} from '../stores/useNews';
 import ArticleModal from './ArticleModal.vue';
 
 const news = useNews();
diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index 890e059..491633d 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -1,12 +1,18 @@
 import './assets/main.css';
+import './style.css';
 
 import {createPinia} from 'pinia';
 import {createApp} from 'vue';
 import App from "@/App.vue";
-
+import {useDarkMode} from './stores/useDarkMode';
 
 const app = createApp(App);
+const pinia = createPinia();
 
-app.use(createPinia());
+app.use(pinia);
+
+// Initialize dark mode before mounting the app
+const darkModeStore = useDarkMode(pinia);
+darkModeStore.initDarkMode();
 
 app.mount('#app');
diff --git a/frontend/src/stores/useDarkMode.ts b/frontend/src/stores/useDarkMode.ts
new file mode 100644
index 0000000..e26cdb2
--- /dev/null
+++ b/frontend/src/stores/useDarkMode.ts
@@ -0,0 +1,56 @@
+import {defineStore} from 'pinia';
+
+export const useDarkMode = defineStore('darkMode', {
+  state: () => ({
+    isDarkMode: localStorage.theme === "dark" ||
+      (!("theme" in localStorage) && window.matchMedia("(prefers-color-scheme: dark)").matches)
+  }),
+  actions: {
+    // Explicitly choose light mode
+    setLightMode() {
+      localStorage.theme = "light";
+      this.isDarkMode = false;
+      this.applyDarkMode();
+    },
+
+    // Explicitly choose dark mode
+    setDarkMode() {
+      localStorage.theme = "dark";
+      this.isDarkMode = true;
+      this.applyDarkMode();
+    },
+
+    // Respect OS preference (remove explicit theme choice)
+    setSystemMode() {
+      localStorage.removeItem("theme");
+      this.isDarkMode = window.matchMedia("(prefers-color-scheme: dark)").matches;
+      this.applyDarkMode();
+    },
+
+    // Toggle between light and dark (keeping system as fallback)
+    toggleDarkMode() {
+      if (this.isDarkMode) {
+        this.setLightMode();
+      } else {
+        this.setDarkMode();
+      }
+    },
+
+    applyDarkMode() {
+      document.documentElement.classList.toggle('dark', this.isDarkMode);
+    },
+
+    initDarkMode() {
+      // On page load or when changing themes, best to add inline in `head` to avoid FOUC
+      document.documentElement.classList.toggle(
+        "dark",
+        localStorage.theme === "dark" ||
+        (!("theme" in localStorage) && window.matchMedia("(prefers-color-scheme: dark)").matches)
+      );
+
+      // Update state to match what was applied
+      this.isDarkMode = localStorage.theme === "dark" ||
+        (!("theme" in localStorage) && window.matchMedia("(prefers-color-scheme: dark)").matches);
+    }
+  }
+});
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 12b9536..b1fd88d 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -2,6 +2,8 @@
 
 @import "./assets/main.css";
 
+@custom-variant dark (&:where(.dark, .dark *));
+
 /* Custom scrollbar for webkit browsers */
 ::-webkit-scrollbar {
   width: 6px;