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style.css

@@ -1,76 +1,370 @@
+/* style.css */
 * {
-    box-sizing: border-box;
-    padding: 0;
     margin: 0;
-    font-family: sans-serif;
+    padding: 0;
+    box-sizing: border-box;
 }
 
-html,
 body {
-    height: 100%;
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    min-height: 100vh;
+    color: #333;
 }
 
-body {
-    padding: 32px;
+.app-container {
+    max-width: 800px;
+    margin: 0 auto;
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    background: rgba(255, 255, 255, 0.95);
+    backdrop-filter: blur(10px);
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
 }
 
-body,
-#container {
+.header {
     display: flex;
-    flex-direction: column;
-    justify-content: center;
+    justify-content: space-between;
     align-items: center;
+    padding: 1.5rem 2rem;
+    background: rgba(255, 255, 255, 0.9);
+    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+    flex-wrap: wrap;
+    gap: 1rem;
 }
 
-#container {
-    position: relative;
-    gap: 0.4rem;
+.header h1 {
+    color: #4a5568;
+    font-size: 1.8rem;
+    font-weight: 700;
+}
 
-    width: 640px;
-    height: 640px;
-    max-width: 100%;
-    max-height: 100%;
+.anycoder-link {
+    color: #667eea;
+    text-decoration: none;
+    font-weight: 500;
+    font-size: 0.9rem;
+    transition: all 0.2s ease;
+}
 
-    border: 2px dashed #D1D5DB;
-    border-radius: 0.75rem;
-    overflow: hidden;
+.anycoder-link:hover {
+    color: #5a67d8;
+    text-decoration: underline;
+}
+
+.device-selector {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    background: white;
+    padding: 0.5rem 1rem;
+    border-radius: 25px;
+    border: 2px solid #e2e8f0;
+    font-size: 0.9rem;
+}
+
+.device-selector label {
+    font-weight: 500;
+    color: #4a5568;
+}
+
+.device-selector select {
+    background: none;
+    border: none;
+    font-size: 0.9rem;
+    font-family: inherit;
     cursor: pointer;
-    margin: 1rem;
+    outline: none;
+}
+
+.main-content {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    max-width: 100%;
+    padding: 1rem 2rem 2rem;
+}
 
-    background-size: 100% 100%;
-    background-position: center;
-    background-repeat: no-repeat;
-    font-size: 18px;
+.chat-container {
+    flex: 1;
+    overflow-y: auto;
+    padding: 1rem 0;
+    display: flex;
+    flex-direction: column;
+    gap: 1rem;
+    max-height: calc(100vh - 200px);
+    scrollbar-width: thin;
+    scrollbar-color: #cbd5e0 transparent;
 }
 
-#upload {
-    display: none;
+.chat-container::-webkit-scrollbar {
+    width: 6px;
 }
 
-svg {
-    pointer-events: none;
+.chat-container::-webkit-scrollbar-track {
+    background: transparent;
 }
 
-#example {
-    font-size: 14px;
-    text-decoration: underline;
+.chat-container::-webkit-scrollbar-thumb {
+    background: #cbd5e0;
+    border-radius: 3px;
+}
+
+.message {
+    max-width: 80%;
+    margin: 0 auto;
+    padding: 1rem 1.5rem;
+    border-radius: 18px;
+    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+    animation: fadeIn 0.3s ease-out;
+}
+
+.user-message {
+    align-self: flex-end;
+    background: linear-gradient(135deg, #667eea, #764ba2);
+    color: white;
+    margin-left: auto;
+    border-bottom-right-radius: 4px;
+}
+
+.assistant-message {
+    background: white;
+    border: 1px solid #e2e8f0;
+    align-self: flex-start;
+    border-bottom-left-radius: 4px;
+}
+
+.system-message {
+    background: #f7fafc;
+    border: 1px solid #e2e8f0;
+    text-align: center;
+    max-width: 100%;
+    font-style: italic;
+    color: #718096;
+}
+
+.message.info {
+    background: #bee3f8;
+    border-color: #90cdf4;
+    color: #2b6cb0;
+}
+
+.message-content {
+    line-height: 1.6;
+    word-wrap: break-word;
+}
+
+.message-content strong {
+    font-weight: 600;
+}
+
+.input-container {
+    padding-bottom: 2rem;
+    position: relative;
+}
+
+.input-wrapper {
+    display: flex;
+    gap: 0.75rem;
+    background: white;
+    padding: 1rem;
+    border-radius: 25px;
+    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
+    border: 2px solid #e2e8f0;
+    transition: all 0.2s ease;
+}
+
+.input-wrapper:focus-within {
+    border-color: #667eea;
+    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
+}
+
+#message-input {
+    flex: 1;
+    border: none;
+    outline: none;
+    font-family: inherit;
+    font-size: 1rem;
+    line-height: 1.5;
+    resize: none;
+    max-height: 120px;
+    background: transparent;
+    color: #2d3748;
+}
+
+#message-input::placeholder {
+    color: #a0aec0;
+}
+
+.send-button {
+    width: 44px;
+    height: 44px;
+    border: none;
+    background: linear-gradient(135deg, #667eea, #764ba2);
+    border-radius: 50%;
+    color: white;
     cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: all 0.2s ease;
+    flex-shrink: 0;
 }
 
-#example:hover {
-    color: #2563EB;
+.send-button:hover:not(:disabled) {
+    transform: scale(1.05);
+    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
 }
 
-.bounding-box {
-    position: absolute;
-    box-sizing: border-box;
-    border: solid 2px;
+.send-button:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    transform: none;
+}
+
+.send-button svg {
+    width: 20px;
+    height: 20px;
+}
+
+.loading-indicator {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 0.75rem;
+    padding: 1rem;
+    color: #667eea;
+    font-weight: 500;
+}
+
+.spinner {
+    width: 20px;
+    height: 20px;
+    border: 2px solid #e2e8f0;
+    border-top: 2px solid #667eea;
+    border-radius: 50%;
+    animation: spin 1s linear infinite;
 }
 
-.bounding-box-label {
+.hidden {
+    display: none !important;
+}
+
+.error-toast {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    background: #f56565;
     color: white;
-    position: absolute;
-    font-size: 12px;
-    margin: -16px 0 0 -2px;
-    padding: 1px;
+    padding: 1rem 1.5rem;
+    border-radius: 8px;
+    box-shadow: 0 10px 30px rgba(245, 101, 101, 0.4);
+    z-index: 1000;
+    animation: slideIn 0.3s ease-out;
+    max-width: 350px;
+}
+
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+@keyframes slideIn {
+    from {
+        transform: translateX(100%);
+        opacity: 0;
+    }
+    to {
+        transform: translateX(0);
+        opacity: 1;
+    }
+}
+
+/* Responsive Design */
+@media (max-width: 768px) {
+    .header {
+        flex-direction: column;
+        align-items: stretch;
+        gap: 1rem;
+        padding: 1rem;
+    }
+
+    .header h1 {
+        text-align: center;
+        font-size: 1.5rem;
+    }
+
+    .device-selector {
+        justify-content: center;
+    }
+
+    .main-content {
+        padding: 1rem;
+    }
+
+    .message {
+        max-width: 95%;
+        padding: 0.75rem 1.25rem;
+    }
+
+    .input-wrapper {
+        padding: 0.75rem;
+    }
+
+    .error-toast {
+        top: 10px;
+        right: 10px;
+        left: 10px;
+        max-width: none;
+    }
+}
+
+@media (max-width: 480px) {
+    .header h1 {
+        font-size: 1.3rem;
+    }
+    
+    .message-content {
+        font-size: 0.95rem;
+    }
+}
+
+/* Focus styles for accessibility */
+#message-input:focus,
+.send-button:focus,
+.device-selector select:focus {
+    outline: 2px solid #667eea;
+    outline-offset: 2px;
+}
+
+/* High contrast mode support */
+@media (prefers-contrast: high) {
+    .message {
+        border-width: 2px;
+    }
+    
+    .input-wrapper {
+        border-width: 3px;
+    }
+}
+
+/* Reduced motion support */
+@media (prefers-reduced-motion: reduce) {
+    * {
+        animation-duration: 0.01ms !important;
+        animation-iteration-count: 1 !important;
+        transition-duration: 0.01ms !important;
+    }
 }