Turn the whole design into dark mode only

components/header.js

@@ -13,13 +13,13 @@ class AppHeader extends HTMLElement {
         this.shadowRoot.innerHTML = `
             <style>
                 header {
-                    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-                    color: white;
+                    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
+                    color: var(--text-primary);
                     padding: 1rem 0;
-                    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+                    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
+                    border-bottom: 1px solid var(--border-color);
                 }
-                
-                .header-container {
+.header-container {
                     max-width: 1200px;
                     margin: 0 auto;
                     padding: 0 1rem;
@@ -49,32 +49,30 @@ class AppHeader extends HTMLElement {
                     font-weight: 700;
                     letter-spacing: -0.5px;
                 }
-                
                 .app-subtitle {
                     font-size: 0.75rem;
-                    opacity: 0.8;
+                    opacity: 0.7;
                     margin-top: 0.125rem;
+                    color: var(--text-secondary);
                 }
-                
                 .model-selector {
-                    background: rgba(255, 255, 255, 0.1);
-                    border: 1px solid rgba(255, 255, 255, 0.2);
-                    color: white;
+                    background: var(--bg-secondary);
+                    border: 1px solid var(--border-color);
+                    color: var(--text-primary);
                     padding: 0.5rem 1rem;
                     border-radius: 8px;
                     font-size: 0.875rem;
                     cursor: pointer;
                     transition: all 0.2s;
-                    backdrop-filter: blur(10px);
                 }
                 
                 .model-selector:hover {
-                    background: rgba(255, 255, 255, 0.2);
-                    border-color: rgba(255, 255, 255, 0.3);
+                    background: var(--bg-tertiary);
+                    border-color: var(--primary-color);
                 }
                 
                 .model-selector:focus {
-                    outline: 2px solid rgba(255, 255, 255, 0.5);
+                    outline: 2px solid var(--primary-color);
                     outline-offset: 2px;
                 }
                 
@@ -84,11 +82,11 @@ class AppHeader extends HTMLElement {
                 }
                 
                 .model-selector option {
-                    background: #4c51bf;
-                    color: white;
+                    background: var(--bg-secondary);
+                    color: var(--text-primary);
+                    border: 1px solid var(--border-color);
                 }
-                
-                @media (max-width: 640px) {
+@media (max-width: 640px) {
                     .header-container {
                         flex-direction: column;
                         gap: 1rem;

components/status-bar.js

@@ -45,23 +45,21 @@ class StatusBar extends HTMLElement {
                     opacity: 1;
                     transform: translateY(0);
                 }
-                
                 .status-bar.success {
-                    background: linear-gradient(135deg, #10b981, #059669);
+                    background: linear-gradient(135deg, #059669, #047857);
                     color: white;
                 }
                 
                 .status-bar.error {
-                    background: linear-gradient(135deg, #ef4444, #dc2626);
+                    background: linear-gradient(135deg, #dc2626, #b91c1c);
                     color: white;
                 }
                 
                 .status-bar.loading {
-                    background: linear-gradient(135deg, #3b82f6, #2563eb);
+                    background: linear-gradient(135deg, #2563eb, #1d4ed8);
                     color: white;
                 }
-                
-                .status-message {
+.status-message {
                     flex: 1;
                     display: flex;
                     align-items: center;
@@ -71,10 +69,9 @@ class StatusBar extends HTMLElement {
                 .status-icon {
                     flex-shrink: 0;
                 }
-                
                 .status-action {
-                    background: rgba(255, 255, 255, 0.2);
-                    border: 1px solid rgba(255, 255, 255, 0.3);
+                    background: rgba(255, 255, 255, 0.15);
+                    border: 1px solid rgba(255, 255, 255, 0.25);
                     color: white;
                     padding: 0.25rem 0.75rem;
                     border-radius: 4px;
@@ -84,11 +81,10 @@ class StatusBar extends HTMLElement {
                 }
                 
                 .status-action:hover {
-                    background: rgba(255, 255, 255, 0.3);
-                    border-color: rgba(255, 255, 255, 0.4);
+                    background: rgba(255, 255, 255, 0.25);
+                    border-color: rgba(255, 255, 255, 0.35);
                 }
-                
-                .loading-spinner {
+.loading-spinner {
                     width: 16px;
                     height: 16px;
                     border: 2px solid rgba(255, 255, 255, 0.3);

index.html

@@ -12,8 +12,8 @@
     <script src="components/header.js"></script>
     <script src="components/status-bar.js"></script>
 </head>
-<body class="bg-gray-50 h-screen flex flex-col overflow-hidden">
-    <!-- Header Component -->
+<body class="bg-gray-900 h-screen flex flex-col overflow-hidden">
+<!-- Header Component -->
     <app-header></app-header>
 
     <!-- Status Indicator -->
@@ -24,20 +24,20 @@
         <!-- Example Prompts Section -->
         <section id="examplesSection" class="mb-4 transition-all duration-300">
             <div class="flex flex-wrap gap-2 justify-center">
-                <button class="example-btn px-4 py-2.5 bg-white hover:bg-gray-100 text-gray-700 rounded-lg border border-gray-200 hover:border-gray-300 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Explain quantum computing in simple terms">
-                    <i data-feather="cpu" class="inline-block w-4 h-4 mr-2"></i>
+                <button class="example-btn px-4 py-2.5 bg-gray-800 hover:bg-gray-700 text-gray-200 rounded-lg border border-gray-600 hover:border-gray-500 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Explain quantum computing in simple terms">
+<i data-feather="cpu" class="inline-block w-4 h-4 mr-2"></i>
                     Explain quantum computing
                 </button>
-                <button class="example-btn px-4 py-2.5 bg-white hover:bg-gray-100 text-gray-700 rounded-lg border border-gray-200 hover:border-gray-300 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Write a detailed essay on AI impact">
-                    <i data-feather="edit-3" class="inline-block w-4 h-4 mr-2"></i>
+                <button class="example-btn px-4 py-2.5 bg-gray-800 hover:bg-gray-700 text-gray-200 rounded-lg border border-gray-600 hover:border-gray-500 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Write a detailed essay on AI impact">
+<i data-feather="edit-3" class="inline-block w-4 h-4 mr-2"></i>
                     Essay on AI impact
                 </button>
-                <button class="example-btn px-4 py-2.5 bg-white hover:bg-gray-100 text-gray-700 rounded-lg border border-gray-200 hover:border-gray-300 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Write a short poem about coding">
-                    <i data-feather="feather" class="inline-block w-4 h-4 mr-2"></i>
+                <button class="example-btn px-4 py-2.5 bg-gray-800 hover:bg-gray-700 text-gray-200 rounded-lg border border-gray-600 hover:border-gray-500 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Write a short poem about coding">
+<i data-feather="feather" class="inline-block w-4 h-4 mr-2"></i>
                     Poem about coding
                 </button>
-                <button class="example-btn px-4 py-2.5 bg-white hover:bg-gray-100 text-gray-700 rounded-lg border border-gray-200 hover:border-gray-300 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Generate a JavaScript function to sort an array">
-                    <i data-feather="code" class="inline-block w-4 h-4 mr-2"></i>
+                <button class="example-btn px-4 py-2.5 bg-gray-800 hover:bg-gray-700 text-gray-200 rounded-lg border border-gray-600 hover:border-gray-500 transition-all duration-200 text-sm font-medium shadow-sm hover:shadow-md transform hover:-translate-y-0.5" data-prompt="Generate a JavaScript function to sort an array">
+<i data-feather="code" class="inline-block w-4 h-4 mr-2"></i>
                     JS array sorter
                 </button>
             </div>
@@ -48,10 +48,9 @@
             <div id="messageThread" class="p-4 space-y-4">
                 <!-- Messages will be inserted here -->
             </div>
-
             <!-- Typing Indicator -->
-            <div id="typingIndicator" class="hidden absolute bottom-4 left-4 flex items-center space-x-2 text-gray-500">
-                <div class="flex space-x-1">
+            <div id="typingIndicator" class="hidden absolute bottom-4 left-4 flex items-center space-x-2 text-gray-400">
+<div class="flex space-x-1">
                     <span class="w-2 h-2 bg-gray-400 rounded-full animate-bounce" style="animation-delay: 0ms"></span>
                     <span class="w-2 h-2 bg-gray-400 rounded-full animate-bounce" style="animation-delay: 150ms"></span>
                     <span class="w-2 h-2 bg-gray-400 rounded-full animate-bounce" style="animation-delay: 300ms"></span>
@@ -97,8 +96,8 @@
             </div>
             
             <!-- Character Counter -->
-            <div id="charCounter" class="mt-2 text-xs text-gray-500 text-right hidden">
-                <span id="charCount">0</span> / 10000
+            <div id="charCounter" class="mt-2 text-xs text-gray-400 text-right hidden">
+<span id="charCount">0</span> / 10000
             </div>
         </section>
     </main>

script.js

@@ -334,10 +334,9 @@ class ClaudeChatApp {
         if (message.content) {
             contentDiv.innerHTML = this.parseMarkdown(message.content);
         } else {
-            contentDiv.innerHTML = '<span class="text-gray-400">Thinking...</span>';
+            contentDiv.innerHTML = '<span class="text-gray-500">Thinking...</span>';
         }
-        
-        messageDiv.appendChild(headerDiv);
+messageDiv.appendChild(headerDiv);
         messageDiv.appendChild(contentDiv);
         messagesContainer.appendChild(messageDiv);
         

style.css

@@ -1,16 +1,19 @@
-/* Custom styles for Claude Chat Interface */
+
+/* Custom styles for Claude Chat Interface - Dark Mode */
 @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
 
 :root {
-    --primary-color: #3B82F6;
-    --primary-hover: #2563EB;
-    --success-color: #10B981;
-    --error-color: #EF4444;
-    --warning-color: #F59E0B;
-    --text-primary: #1F2937;
-    --text-secondary: #6B7280;
-    --border-color: #E5E7EB;
-    --bg-secondary: #F9FAFB;
+    --primary-color: #60A5FA;
+    --primary-hover: #3B82F6;
+    --success-color: #34D399;
+    --error-color: #F87171;
+    --warning-color: #FBBF24;
+    --text-primary: #F9FAFB;
+    --text-secondary: #D1D5DB;
+    --border-color: #374151;
+    --bg-secondary: #1F2937;
+    --bg-tertiary: #111827;
+    --message-user-bg: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
 }
 
 * {
@@ -19,8 +22,13 @@
 
 body {
     overscroll-behavior: contain;
+    background: var(--bg-tertiary);
 }
 
+/* Update Tailwind background class */
+body.bg-gray-50 {
+    background: var(--bg-tertiary) !important;
+}
 /* Message Styles */
 .message {
     animation: messageSlideIn 0.3s ease-out;
@@ -45,10 +53,10 @@ body {
     max-width: 70%;
     border-radius: 18px 18px 4px 18px;
 }
-
 .message-assistant {
-    background: white;
+    background: var(--bg-secondary);
     border: 1px solid var(--border-color);
+    color: var(--text-primary);
     margin-right: auto;
     max-width: 85%;
     border-radius: 18px 18px 18px 4px;
@@ -57,11 +65,11 @@ body {
 .message-system {
     background: var(--bg-secondary);
     border-left: 3px solid var(--warning-color);
+    color: var(--text-primary);
     text-align: center;
     max-width: 100%;
     border-radius: 8px;
 }
-
 .message-header {
     font-size: 0.75rem;
     font-weight: 600;
@@ -103,19 +111,19 @@ body {
 .message-content li {
     margin: 0.25rem 0;
 }
-
 .message-content code {
-    background: #f3f4f6;
+    background: #374151;
     padding: 0.125rem 0.375rem;
     border-radius: 4px;
     font-family: 'Courier New', monospace;
     font-size: 0.875em;
-    color: #d97706;
+    color: #FBBF24;
 }
 
 .message-content pre {
-    background: #1f2937;
-    color: #f9fafb;
+    background: #111827;
+    color: #F9FAFB;
+    border: 1px solid var(--border-color);
     padding: 1rem;
     border-radius: 8px;
     overflow-x: auto;
@@ -127,7 +135,6 @@ body {
     color: inherit;
     padding: 0;
 }
-
 .message-content a {
     color: var(--primary-color);
     text-decoration: underline;
@@ -265,7 +272,6 @@ select:focus-visible {
         opacity: 1;
     }
 }
-
 /* Tooltip */
 .tooltip {
     position: relative;
@@ -277,8 +283,9 @@ select:focus-visible {
     bottom: 100%;
     left: 50%;
     transform: translateX(-50%);
-    background: #1f2937;
-    color: white;
+    background: #374151;
+    color: var(--text-primary);
+    border: 1px solid var(--border-color);
     padding: 0.5rem 0.75rem;
     border-radius: 6px;
     font-size: 0.875rem;
@@ -295,5 +302,120 @@ select:focus-visible {
 
 /* Selection highlight */
 ::selection {
-    background-color: rgba(59, 130, 246, 0.2);
-}
+    background-color: rgba(96, 165, 250, 0.3);
+}
+
+/* Dark mode specific styles */
+.bg-white {
+    background-color: var(--bg-secondary) !important;
+}
+
+.text-gray-700 {
+    color: var(--text-primary) !important;
+}
+
+.text-gray-500 {
+    color: var(--text-secondary) !important;
+}
+
+.border-gray-200 {
+    border-color: var(--border-color) !important;
+}
+
+.border-gray-300 {
+    border-color: var(--border-color) !important;
+}
+
+.hover\:bg-gray-100:hover {
+    background-color: var(--bg-secondary) !important;
+}
+
+.hover\:bg-gray-50:hover {
+    background-color: var(--bg-tertiary) !important;
+}
+
+.hover\:border-gray-300:hover {
+    border-color: var(--border-color) !important;
+}
+
+.placeholder-gray-400::placeholder {
+    color: var(--text-secondary) !important;
+}
+
+.focus\:border-blue-500:focus {
+    border-color: var(--primary-color) !important;
+}
+
+.focus\:ring-blue-200:focus {
+    --tw-ring-color: rgba(96, 165, 250, 0.2) !important;
+}
+
+.shadow-sm {
+    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3) !important;
+}
+
+/* Chat container dark mode */
+#chatContainer {
+    background: var(--bg-secondary) !important;
+    border-color: var(--border-color) !important;
+}
+
+/* Input area dark mode */
+#messageInput {
+    background: var(--bg-secondary) !important;
+    color: var(--text-primary) !important;
+    border-color: var(--border-color) !important;
+}
+
+#messageInput:focus {
+    background: var(--bg-secondary) !important;
+    color: var(--text-primary) !important;
+}
+
+/* Example buttons dark mode */
+.example-btn {
+    background: var(--bg-secondary) !important;
+    color: var(--text-primary) !important;
+    border-color: var(--border-color) !important;
+}
+
+.example-btn:hover {
+    background: var(--bg-tertiary) !important;
+    border-color: var(--border-color) !important;
+}
+
+/* Typing indicator dark mode */
+#typingIndicator {
+    color: var(--text-secondary) !important;
+}
+
+/* Character counter dark mode */
+#charCounter {
+    color: var(--text-secondary) !important;
+}
+
+/* Scroll to bottom button dark mode */
+#scrollToBottom {
+    background: var(--primary-color) !important;
+}
+
+#scrollToBottom:hover {
+    background: var(--primary-hover) !important;
+}
+
+/* Send and Stream buttons */
+#sendBtn, #streamBtn {
+    background: var(--primary-color) !important;
+}
+
+#sendBtn:hover, #streamBtn:hover {
+    background: var(--primary-hover) !important;
+}
+
+#streamBtn {
+    background: var(--success-color) !important;
+}
+
+#streamBtn:hover {
+    background: #10B981 !important;
+}