Update style.css

style.css

@@ -1,4 +1,4 @@
-/* style.css content here */
+/* Meta-Style CSS for AI Chat Interface */
 * {
     margin: 0;
     padding: 0;
@@ -6,10 +6,10 @@
 }
 
 body {
-    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
-    background: linear-gradient(135deg, #f5f7fa 0%, #e4e7f1 100%);
-    color: #1a1a1a;
-    line-height: 1.5;
+    font-family: Segoe UI Historic, Segoe UI, Helvetica, Arial, sans-serif;
+    background: #ffffff;
+    color: #050505;
+    line-height: 1.34;
     overflow-x: hidden;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
@@ -21,36 +21,33 @@ body {
     flex-direction: column;
     max-width: 900px;
     margin: 0 auto;
-    background: rgba(255, 255, 255, 0.95);
-    backdrop-filter: blur(20px);
+    background: #ffffff;
     position: relative;
-    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
 }
 
 .header {
-    background: rgba(255, 255, 255, 0.9);
-    backdrop-filter: blur(20px);
-    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
+    background: #ffffff;
+    border-bottom: 1px solid #e4e6eb;
     padding: 0;
     position: sticky;
     top: 0;
     z-index: 100;
-    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
 }
 
 .header-content {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    padding: 1rem 1.5rem;
-    max-width: 800px;
+    padding: 12px 16px;
+    max-width: 900px;
     margin: 0 auto;
 }
 
 .header-left {
     display: flex;
     align-items: center;
-    gap: 0.75rem;
+    gap: 12px;
 }
 
 .avatar-wrapper {
@@ -58,95 +55,89 @@ body {
 }
 
 .avatar {
-    width: 44px;
-    height: 44px;
+    width: 40px;
+    height: 40px;
     border-radius: 50%;
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    background: linear-gradient(135deg, #0084ff 0%, #44bff5 100%);
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
-    font-size: 1.3rem;
-    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
+    font-size: 20px;
 }
 
 .status-indicator {
     position: absolute;
-    bottom: 0;
-    right: 0;
-    width: 12px;
-    height: 12px;
+    bottom: -2px;
+    right: -2px;
+    width: 14px;
+    height: 14px;
     border-radius: 50%;
     border: 2px solid #ffffff;
+    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
 }
 
 .status-indicator.online {
-    background: #10b981;
-    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
+    background: #31a24c;
 }
 
 .header-info h1 {
-    font-size: 1.2rem;
-    font-weight: 700;
-    color: #1a1a1a;
+    font-size: 17px;
+    font-weight: 600;
+    color: #050505;
     margin: 0;
-    letter-spacing: -0.5px;
 }
 
 .status-text {
-    font-size: 0.85rem;
-    color: #6b7280;
-    font-weight: 500;
+    font-size: 13px;
+    color: #65676b;
+    font-weight: 400;
 }
 
 .device-selector {
     display: flex;
     align-items: center;
-    gap: 0.5rem;
+    gap: 8px;
 }
 
 .device-selector label {
-    font-size: 0.8rem;
+    font-size: 13px;
     color: #65676b;
 }
 
 .device-selector select {
-    background: rgba(240, 242, 245, 0.8);
-    border: 1px solid rgba(0, 0, 0, 0.05);
-    padding: 0.6rem 0.8rem;
-    border-radius: 8px;
-    font-size: 0.85rem;
-    color: #1a1a1a;
+    background: #f0f2f5;
+    border: none;
+    padding: 6px 12px;
+    border-radius: 20px;
+    font-size: 13px;
+    color: #050505;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background 0.2s ease;
     font-weight: 500;
 }
 
 .device-selector select:hover {
-    background: rgba(240, 242, 245, 1);
-    border-color: rgba(0, 0, 0, 0.1);
+    background: #e4e6eb;
 }
 
 .btn-secondary {
-    background: rgba(240, 242, 245, 0.8);
-    border: 1px solid rgba(0, 0, 0, 0.05);
-    color: #1a1a1a;
-    padding: 0.6rem;
-    border-radius: 8px;
+    background: #f0f2f5;
+    border: none;
+    color: #050505;
+    padding: 8px;
+    border-radius: 50%;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     width: 36px;
     height: 36px;
-    transition: all 0.2s ease;
-    font-weight: 500;
+    transition: background 0.2s ease;
 }
 
 .btn-secondary:hover {
-    background: rgba(240, 242, 245, 1);
-    border-color: rgba(0, 0, 0, 0.1);
-    transform: translateY(-1px);
+    background: #e4e6eb;
 }
 
 .chat-container {
@@ -160,23 +151,20 @@ body {
 .messages-container {
     flex: 1;
     overflow-y: auto;
-    padding: 1rem 1.5rem;
+    padding: 16px;
     scroll-behavior: smooth;
     background: #ffffff;
 }
 
 .message {
-    margin-bottom: 0.5rem;
+    margin-bottom: 4px;
     display: flex;
-    align-items: flex-end;
-    gap: 0.5rem;
-    animation: fadeIn 0.15s ease-out;
-    opacity: 0;
-    animation-fill-mode: forwards;
+    gap: 8px;
+    animation: fadeIn 0.2s ease-out;
 }
 
 @keyframes fadeIn {
-    from { opacity: 0; transform: translateY(10px); }
+    from { opacity: 0; transform: translateY(5px); }
     to { opacity: 1; transform: translateY(0); }
 }
 
@@ -188,58 +176,52 @@ body {
     justify-content: flex-end;
 }
 
-.message-avatar {
-    width: 28px;
-    height: 28px;
-    border-radius: 50%;
+.message-header {
     display: flex;
     align-items: center;
-    justify-content: center;
-    font-size: 0.9rem;
-    flex-shrink: 0;
+    gap: 8px;
+    margin-bottom: 4px;
+    font-size: 13px;
+    color: #65676b;
 }
 
-.assistant-message .message-avatar {
-    background: linear-gradient(135deg, #0084ff 0%, #00c6ff 100%);
-    color: white;
+.message-author {
+    font-weight: 600;
+    color: #050505;
 }
 
-.user-message .message-avatar {
-    background: #f0f2f5;
-    color: #65676b;
-}
-
-.message-bubble {
-    max-width: 70%;
-    position: relative;
+.message-time {
+    font-size: 12px;
+    color: #8a8d91;
 }
 
 .message-content {
-    padding: 0.75rem 1rem;
-    border-radius: 20px;
-    line-height: 1.5;
+    padding: 8px 12px;
+    border-radius: 18px;
+    line-height: 1.4;
     word-wrap: break-word;
-    font-size: 0.95rem;
-    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
+    font-size: 15px;
+    max-width: 70%;
 }
 
 .assistant-message .message-content {
-    background: rgba(240, 242, 245, 0.9);
-    color: #1a1a1a;
-    border-radius: 20px 20px 20px 6px;
-    border: 1px solid rgba(0, 0, 0, 0.03);
+    background: #f0f2f5;
+    color: #050505;
+    border-radius: 18px 18px 18px 4px;
 }
 
 .user-message .message-content {
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    background: #0084ff;
     color: #ffffff;
-    border-radius: 20px 20px 6px 20px;
-    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
+    border-radius: 18px 18px 4px 18px;
+}
+
+.welcome-message {
+    padding: 20px 0;
 }
 
 strong {
-    color: #1c1e21;
-    font-weight: 700;
+    font-weight: 600;
 }
 
 em {
@@ -247,61 +229,99 @@ em {
 }
 
 code {
-    background: rgba(245, 246, 245, 0.9);
-    padding: 0.3rem 0.6rem;
-    border-radius: 8px;
-    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
-    font-size: 0.9em;
-    color: #1a1a1a;
-    border: 1px solid rgba(0, 0, 0, 0.05);
-    font-weight: 500;
+    background: #f0f2f5;
+    padding: 2px 6px;
+    border-radius: 6px;
+    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
+    font-size: 13px;
+    color: #050505;
 }
 
 .math-equation {
-    background: rgba(245, 246, 245, 0.9);
-    padding: 0.3rem 0.6rem;
-    border-radius: 8px;
-    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
-    color: #667eea;
-    font-size: 0.95em;
-    border: 1px solid rgba(0, 0, 0, 0.05);
-    font-weight: 500;
+    background: #f0f2f5;
+    padding: 2px 6px;
+    border-radius: 6px;
+    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
+    color: #0084ff;
+    font-size: 14px;
 }
 
-.math-equation sup,
-.math-equation sub {
-    font-size: 0.8em;
-    vertical-align: baseline;
-    position: relative;
-    top: -0.3em;
+.input-container {
+    background: #ffffff;
+    border-top: 1px solid #e4e6eb;
+    padding: 8px 16px;
 }
 
-.math-equation sub {
-    top: 0.2em;
+.input-wrapper {
+    display: flex;
+    align-items: flex-end;
+    gap: 8px;
+    background: #f0f2f5;
+    border-radius: 20px;
+    padding: 8px 8px 8px 16px;
+    transition: background 0.2s ease;
 }
 
-1e21;
-    font-weight: 400;
+.input-wrapper:focus-within {
+    background: #e4e6eb;
 }
 
-#message-input:focus {
-    background: #ffffff;
-    box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.1);
+.input-avatar {
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    background: #e4e6eb;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: #65676b;
+    font-size: 16px;
+    flex-shrink: 0;
+    margin-bottom: 2px;
+}
+
+#message-input {
+    flex: 1;
+    background: transparent;
+    border: none;
+    outline: none;
+    font-size: 15px;
+    color: #050505;
+    resize: none;
+    font-family: inherit;
+    line-height: 1.34;
+    padding: 6px 0;
+    max-height: 120px;
+    overflow-y: auto;
+}
+
+#message-input::placeholder {
+    color: #8a8d91;
 }
 
 .send-button {
-    background: linear-gradient(
+    background: transparent;
+    border: none;
+    color: #0084ff;
+    padding: 6px;
+    border-radius: 50%;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 32px;
+    height: 32px;
+    transition: opacity 0.2s ease;
+    margin-bottom: 2px;
+}
 
-.input-footer {
-    text-align: center;
-    margin-top: 0.5rem;
-    padding: 0 1rem;
+.send-button:hover:not(:disabled) {
+    background: rgba(0, 132, 255, 0.1);
 }
 
-.input-footer small {
-    color: #65676b;
-    font-size: 0.8rem;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
+.send-button:disabled {
+    opacity: 0.4;
+    cursor: not-allowed;
 }
 
 .loading-overlay {
@@ -310,132 +330,119 @@ code {
     left: 0;
     width: 100%;
     height: 100%;
-    background: rgba(0, 0, 0, 0.4);
-    display: flex;
+    background: rgba(255, 255, 255, 0.9);
+    backdrop-filter: blur(4px);
+    display: none;
     align-items: center;
     justify-content: center;
     z-index: 1000;
 }
 
 .loading-spinner {
-    background: rgba(255, 255, 255, 0.95);
-    backdrop-filter: blur(20px);
-    padding: 2rem;
-    border-radius: 16px;
+    background: #ffffff;
+    padding: 24px;
+    border-radius: 12px;
     text-align: center;
-    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
+    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
     min-width: 200px;
-    border: 1px solid rgba(0, 0, 0, 0.05);
 }
 
 .loading-spinner i {
-    font-size: 2rem;
-    color: #667eea;
-    margin-bottom: 1rem;
+    font-size: 32px;
+    color: #0084ff;
+    margin-bottom: 12px;
     display: block;
 }
 
 .loading-spinner p {
-    color: #6b7280;
-    font-size: 1rem;
-    font-weight: 500;
+    color: #65676b;
+    font-size: 15px;
+    font-weight: 400;
 }
 
-
-    background: #f8f9fa;
-    padding: 0.75rem 2rem;
-    border-top: 1px solid #e1e8ed;
+.status-bar {
+    background: #f0f2f5;
+    padding: 8px 16px;
+    border-top: 1px solid #e4e6eb;
     display: flex;
     justify-content: space-between;
     align-items: center;
-    font-size: 0.85rem;
-    color: #666;
+    font-size: 13px;
+    color: #65676b;
 }
 
 .status-bar #status-text {
-    font-weight: 500;
+    font-weight: 400;
 }
 
 #model-status {
-    background: #e3f2fd;
-    color: #1976d2;
-    padding: 0.25rem 0.75rem;
-    border-radius: 15px;
-    font-size: 0.8rem;
-}
-
-.error-message {
-    background: rgba(254, 242, 242, 0.9);
-    border: 1px solid rgba(252, 165, 165, 0.3);
+    background: #e7f3ff;
+    color: #0064d2;
+    padding: 4px 12px;
     border-radius: 12px;
-    padding: 1rem;
-    margin: 1rem 0;
+    font-size: 12px;
+    font-weight: 500;
 }
 
-.system-message {
-    background: none !important;
-    border: none !important;
+.error-message {
+    margin: 16px;
 }
 
 .system-message .message-content {
-    background: rgba(254, 242, 242, 0.9) !important;
-    border: 1px solid rgba(252, 165, 165, 0.3) !important;
-    color: #dc2626 !important;
-    padding: 1rem !important;
-    border-radius: 12px !important;
-    margin: 0 2rem !important;
+    background: #fff5f5;
+    border: 1px solid #ffdddd;
+    color: #d8000c;
+    padding: 12px;
+    border-radius: 8px;
+    max-width: 100%;
 }
 
 .system-message i {
-    color: #dc2626 !important;
+    color: #d8000c;
+    margin-right: 8px;
 }
 
-/* Responsive Design */
-@media (max-width: 768px) {
-    .header {
-        padding: 1rem;
-        flex-direction: column;
-        gap: 1rem;
-        text-align: center;
-    }
+/* Scrollbar Styling */
+.messages-container::-webkit-scrollbar {
+    width: 8px;
+}
 
-    .header h1 {
-        font-size: 1.3rem;
-    }
+.messages-container::-webkit-scrollbar-track {
+    background: transparent;
+}
 
-    .device-selector {
-        width: 100%;
-        justify-content: center;
-    }
+.messages-container::-webkit-scrollbar-thumb {
+    background: #bcc0c4;
+    border-radius: 4px;
+}
 
-    .chat-container {
-        padding: 1rem;
-        max-width: 100%;
+.messages-container::-webkit-scrollbar-thumb:hover {
+    background: #8a8d91;
+}
+
+/* Responsive Design */
+@media (max-width: 768px) {
+    .header-content {
+        padding: 12px;
     }
 
     .messages-container {
-        max-height: calc(100vh - 180px);
+        padding: 12px;
     }
 
-    .user-message .message-content {
-        max-width: 90%;
-        margin-left: 1rem;
+    .message-content {
+        max-width: 85%;
     }
 
-    .assistant-message .message-content {
-        margin-left: 1rem;
-        margin-right: 1rem;
+    .input-container {
+        padding: 8px 12px;
     }
 
     .status-bar {
-        padding: 0.75rem 1rem;
         flex-direction: column;
-        gap: 0.5rem;
+        gap: 4px;
         text-align: center;
-    }
-
-    .input-wrapper {
-        padding: 0 1rem;
+        padding: 8px;
     }
 
     #message-input {
@@ -444,128 +451,141 @@ code {
 }
 
 @media (max-width: 480px) {
-    .message-content {
-        padding: 0.75rem 1rem;
+    .header-info h1 {
+        font-size: 16px;
     }
 
-    .input-container {
-        padding: 0.5rem 0;
-    }
-
-    .loading-spinner {
-        padding: 1.5rem;
-        min-width: 150px;
-    }
-
-    .app-container {
-        margin: 0;
-        box-shadow: none;
-        border-radius: 0;
+    .device-selector {
+        display: none;
     }
-}
-
-/* Scrollbar Styling */
-.messages-container::-webkit-scrollbar {
-    width: 6px;
-}
-
-.messages-container::-webkit-scrollbar-track {
-    background: #f1f1f1;
-    border-radius: 10px;
-}
-
-.messages-container::-webkit-scrollbar-thumb {
-    background: #c1c1c1;
-    border-radius: 10px;
-}
 
-.messages-container::-webkit-scrollbar-thumb:hover {
-    background: #a8a8a8;
-}
-
-/* Focus management for accessibility */
-.message:focus {
-    outline: 2px solid #4facfe;
-    outline-offset: 2px;
-}
-
-#message-input:focus {
-    outline: none;
-}
-
-/* High contrast mode support */
-@media (prefers-contrast: high) {
     .message-content {
-        border: 2px solid #000;
-    }
-    
-    #message-input {
-        border: 2px solid #000;
+        font-size: 14px;
+        padding: 8px 10px;
     }
-}
 
-/* Reduced motion support */
-@media (prefers-reduced-motion: reduce) {
-    * {
-        animation-duration: 0.01ms !important;
-        animation-iteration-count: 1 !important;
-        transition-duration: 0.01ms !important;
-    }
-    
-    .send-button:hover {
-        transform: none;
+    .input-wrapper {
+        padding: 6px 6px 6px 12px;
     }
 }
 
-heme: dark) {
+/* Dark Mode Support */
+@media (prefers-color-scheme: dark) {
     body {
-        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
-        color: #e0e0e0;
+        background: #18191a;
+        color: #e4e6eb;
     }
     
     .app-container {
-        background: rgba(26, 26, 46, 0.95);
-        color: #e0e0e0;
+        background: #18191a;
     }
     
     .header {
-        background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
+        background: #242526;
+        border-bottom-color: #3a3b3c;
+    }
+    
+    .header-info h1 {
+        color: #e4e6eb;
+    }
+    
+    .chat-container,
+    .messages-container {
+        background: #18191a;
     }
     
     .assistant-message .message-content {
-        background: linear-gradient(135deg, #2a2a3e 0%, #3a3a4e 100%);
-        border-color: #4a4a5e;
-        color: #e0e0e0;
+        background: #3a3b3c;
+        color: #e4e6eb;
     }
     
     .user-message .message-content {
-        background: linear-gradient(135deg, #00b894 0%, #00d4aa 100%);
+        background: #0084ff;
+        color: #ffffff;
+    }
+    
+    .input-container {
+        background: #242526;
+        border-top-color: #3a3b3c;
+    }
+    
+    .input-wrapper {
+        background: #3a3b3c;
+    }
+    
+    .input-wrapper:focus-within {
+        background: #4a4b4c;
+    }
+    
+    .input-avatar {
+        background: #4a4b4c;
     }
     
     #message-input {
-        background: #2a2a3e;
-        border-color: #4a4a5e;
-        color: #e0e0e0;
+        color: #e4e6eb;
     }
     
-    #message-input:focus {
-        background: #3a3a4e;
-        border-color: #4facfe;
+    #message-input::placeholder {
+        color: #8a8d91;
     }
     
-    .input-container {
-        background: #1a1a2e;
-        border-color: #4a4a5e;
+    .device-selector select,
+    .btn-secondary {
+        background: #3a3b3c;
+        color: #e4e6eb;
+    }
+    
+    .device-selector select:hover,
+    .btn-secondary:hover {
+        background: #4a4b4c;
+    }
+    
+    code,
+    .math-equation {
+        background: #3a3b3c;
+        color: #e4e6eb;
     }
     
+    .math-equation {
+        color: #2d88ff;
+    }
+    
+    .status-bar {
+        background: #242526;
+        border-top-color: #3a3b3c;
+        color: #b0b3b8;
+    }
     
-        background: #2a2a3e;
-        border-color: #4a4a5e;
-        color: #b0b0b0;
+    #model-status {
+        background: #263951;
+        color: #2d88ff;
     }
     
-    .device-selector select {
-        background: #3a3a4e;
-        color: #e0e0e0;
+    .loading-overlay {
+        background: rgba(24, 25, 26, 0.9);
+    }
+    
+    .loading-spinner {
+        background: #242526;
+    }
+}
+
+/* High contrast mode support */
+@media (prefers-contrast: high) {
+    .message-content {
+        border: 1px solid currentColor;
+    }
+    
+    .input-wrapper {
+        border: 1px solid currentColor;
+    }
+}
+
+/* Reduced motion support */
+@media (prefers-reduced-motion: reduce) {
+    * {
+        animation-duration: 0.01ms !important;
+        animation-iteration-count: 1 !important;
+        transition-duration: 0.01ms !important;
     }
 }