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style.css

@@ -1,76 +1,388 @@
 * {
-    box-sizing: border-box;
-    padding: 0;
     margin: 0;
-    font-family: sans-serif;
+    padding: 0;
+    box-sizing: border-box;
 }
 
-html,
-body {
-    height: 100%;
+:root {
+    --primary-color: #6366f1;
+    --primary-hover: #5558e3;
+    --background: #0f0f23;
+    --surface: #1a1b3a;
+    --surface-light: #252648;
+    --text-primary: #e2e8f0;
+    --text-secondary: #94a3b8;
+    --border: #334155;
+    --error: #ef4444;
+    --success: #10b981;
+    --user-bg: #4338ca;
+    --assistant-bg: #1e293b;
 }
 
 body {
-    padding: 32px;
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
+    background: linear-gradient(135deg, var(--background) 0%, #1a1a2e 100%);
+    color: var(--text-primary);
+    height: 100vh;
+    overflow: hidden;
 }
 
-body,
-#container {
+.container {
     display: flex;
     flex-direction: column;
-    justify-content: center;
+    height: 100vh;
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+.header {
+    background: var(--surface);
+    padding: 1rem 1.5rem;
+    border-bottom: 1px solid var(--border);
+    display: flex;
+    justify-content: space-between;
     align-items: center;
 }
 
-#container {
-    position: relative;
-    gap: 0.4rem;
+.header h1 {
+    font-size: 1.5rem;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+}
 
-    width: 640px;
-    height: 640px;
-    max-width: 100%;
-    max-height: 100%;
+.settings {
+    position: relative;
+}
 
-    border: 2px dashed #D1D5DB;
-    border-radius: 0.75rem;
-    overflow: hidden;
+.settings-btn {
+    background: transparent;
+    border: none;
+    font-size: 1.5rem;
     cursor: pointer;
-    margin: 1rem;
+    padding: 0.5rem;
+    border-radius: 0.5rem;
+    transition: background 0.2s;
+}
+
+.settings-btn:hover {
+    background: var(--surface-light);
+}
 
-    background-size: 100% 100%;
-    background-position: center;
-    background-repeat: no-repeat;
-    font-size: 18px;
+.settings-menu {
+    position: absolute;
+    right: 0;
+    top: 100%;
+    margin-top: 0.5rem;
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: 0.5rem;
+    padding: 1rem;
+    min-width: 200px;
+    z-index: 1000;
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
 }
 
-#upload {
+.settings-menu.hidden {
     display: none;
 }
 
-svg {
-    pointer-events: none;
+.device-toggle {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    cursor: pointer;
+    padding: 0.5rem;
+    border-radius: 0.25rem;
+    transition: background 0.2s;
+}
+
+.device-toggle:hover {
+    background: var(--surface-light);
+}
+
+.device-toggle.disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
 }
 
-#example {
-    font-size: 14px;
-    text-decoration: underline;
+.clear-btn {
+    width: 100%;
+    margin-top: 1rem;
+    padding: 0.5rem 1rem;
+    background: var(--error);
+    color: white;
+    border: none;
+    border-radius: 0.5rem;
     cursor: pointer;
+    transition: opacity 0.2s;
 }
 
-#example:hover {
-    color: #2563EB;
+.clear-btn:hover:not(:disabled) {
+    opacity: 0.9;
 }
 
-.bounding-box {
-    position: absolute;
-    box-sizing: border-box;
-    border: solid 2px;
+.chat-container {
+    flex: 1;
+    overflow-y: auto;
+    padding: 1.5rem;
+    display: flex;
+    flex-direction: column;
+    gap: 1rem;
+}
+
+.welcome-message {
+    text-align: center;
+    padding: 3rem 1rem;
+    color: var(--text-secondary);
+}
+
+.welcome-message h2 {
+    font-size: 2rem;
+    margin-bottom: 0.5rem;
+    color: var(--text-primary);
+}
+
+.message {
+    display: flex;
+    gap: 1rem;
+    animation: fadeIn 0.3s ease-in;
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+.message-avatar {
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 1.2rem;
+    flex-shrink: 0;
+}
+
+.user-message .message-avatar {
+    background: var(--user-bg);
+}
+
+.assistant-message .message-avatar {
+    background: var(--assistant-bg);
+}
+
+.message-content {
+    background: var(--surface);
+    padding: 0.75rem 1rem;
+    border-radius: 1rem;
+    max-width: 70%;
+    line-height: 1.5;
+    white-space: pre-wrap;
+    word-wrap: break-word;
+}
+
+.user-message .message-content {
+    background: var(--user-bg);
+    margin-left: auto;
+}
+
+.assistant-message .message-content {
+    background: var(--surface-light);
+}
+
+.error-message {
+    background: rgba(239, 68, 68, 0.1);
+    border: 1px solid var(--error);
+    color: var(--error);
+    padding: 1rem;
+    border-radius: 0.5rem;
+    text-align: center;
 }
 
-.bounding-box-label {
+.input-container {
+    background: var(--surface);
+    border-top: 1px solid var(--border);
+    padding: 1rem 1.5rem;
+}
+
+.typing-indicator {
+    display: flex;
+    gap: 0.3rem;
+    padding: 0.5rem 0;
+}
+
+.typing-indicator.hidden {
+    display: none;
+}
+
+.typing-indicator span {
+    width: 8px;
+    height: 8px;
+    background: var(--text-secondary);
+    border-radius: 50%;
+    animation: typing 1.4s infinite;
+}
+
+.typing-indicator span:nth-child(2) {
+    animation-delay: 0.2s;
+}
+
+.typing-indicator span:nth-child(3) {
+    animation-delay: 0.4s;
+}
+
+@keyframes typing {
+    0%, 60%, 100% {
+        transform: translateY(0);
+        opacity: 0.5;
+    }
+    30% {
+        transform: translateY(-10px);
+        opacity: 1;
+    }
+}
+
+.chat-form {
+    display: flex;
+    gap: 0.75rem;
+    align-items: flex-end;
+}
+
+.message-input {
+    flex: 1;
+    background: var(--surface-light);
+    color: var(--text-primary);
+    border: 1px solid var(--border);
+    border-radius: 1rem;
+    padding: 0.75rem 1rem;
+    font-size: 1rem;
+    resize: none;
+    outline: none;
+    transition: border-color 0.2s;
+    font-family: inherit;
+    line-height: 1.5;
+    max-height: 120px;
+}
+
+.message-input:focus {
+    border-color: var(--primary-color);
+}
+
+.message-input:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+.send-btn {
+    background: var(--primary-color);
     color: white;
-    position: absolute;
-    font-size: 12px;
-    margin: -16px 0 0 -2px;
-    padding: 1px;
+    border: none;
+    border-radius: 50%;
+    width: 44px;
+    height: 44px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: background 0.2s, transform 0.1s;
+}
+
+.send-btn:hover:not(:disabled) {
+    background: var(--primary-hover);
+    transform: scale(1.05);
+}
+
+.send-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+.loading-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(15, 15, 35, 0.95);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 9999;
+    backdrop-filter: blur(10px);
+}
+
+.loading-overlay.hidden {
+    display: none;
+}
+
+.loader {
+    text-align: center;
+}
+
+.loader-spinner {
+    width: 60px;
+    height: 60px;
+    border: 3px solid var(--surface-light);
+    border-top-color: var(--primary-color);
+    border-radius: 50%;
+    margin: 0 auto 1.5rem;
+    animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+    to {
+        transform: rotate(360deg);
+    }
+}
+
+.loader p {
+    color: var(--text-primary);
+    margin: 0.5rem 0;
+}
+
+.loader-status {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+@media (max-width: 768px) {
+    .header h1 {
+        font-size: 1.25rem;
+    }
+    
+    .message-content {
+        max-width: 85%;
+    }
+    
+    .chat-container {
+        padding: 1rem;
+    }
+    
+    .input-container {
+        padding: 1rem;
+    }
+}
+
+@media (max-width: 480px) {
+    .message-content {
+        max-width: 90%;
+    }
+    
+    .message {
+        gap: 0.5rem;
+    }
+    
+    .message-avatar {
+        width: 28px;
+        height: 28px;
+        font-size: 1rem;
+    }
 }