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style.css

@@ -1,76 +1,447 @@
 * {
-    box-sizing: border-box;
-    padding: 0;
-    margin: 0;
-    font-family: sans-serif;
+margin: 0;
+padding: 0;
+box-sizing: border-box;
 }
 
-html,
-body {
-    height: 100%;
+:root {
+--primary-color: #007AFF;
+--secondary-color: #5856D6;
+--background: #F5F5F7;
+--surface: #FFFFFF;
+--text-primary: #1D1D1F;
+--text-secondary: #86868B;
+--border-color: #D2D2D7;
+--shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
+--shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
+--radius: 18px;
+--radius-small: 12px;
 }
 
 body {
-    padding: 32px;
+font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
+background: var(--background);
+color: var(--text-primary);
+line-height: 1.6;
+-webkit-font-smoothing: antialiased;
+-moz-osx-font-smoothing: grayscale;
+}
+
+.container {
+max-width: 900px;
+margin: 0 auto;
+padding: 20px;
+min-height: 100vh;
+display: flex;
+flex-direction: column;
+}
+
+/* Header */
+.header {
+text-align: center;
+padding: 40px 20px 30px;
+display: flex;
+flex-direction: column;
+align-items: center;
+gap: 15px;
+}
+
+.header-content {
+display: flex;
+flex-direction: column;
+gap: 8px;
+}
+
+.title {
+font-size: 48px;
+font-weight: 700;
+letter-spacing: -0.5px;
+}
+
+.gradient-text {
+background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
+-webkit-background-clip: text;
+-webkit-text-fill-color: transparent;
+background-clip: text;
+}
+
+.subtitle {
+font-size: 16px;
+color: var(--text-secondary);
+font-weight: 400;
+}
+
+.built-with {
+display: inline-flex;
+align-items: center;
+gap: 6px;
+padding: 8px 16px;
+background: rgba(0, 122, 255, 0.1);
+color: var(--primary-color);
+text-decoration: none;
+border-radius: 20px;
+font-size: 14px;
+font-weight: 500;
+transition: all 0.3s ease;
+}
+
+.built-with:hover {
+background: rgba(0, 122, 255, 0.15);
+transform: translateY(-2px);
+}
+
+/* Model Status */
+.model-status {
+background: var(--surface);
+border-radius: var(--radius);
+padding: 20px;
+margin-bottom: 20px;
+box-shadow: var(--shadow);
+}
+
+.status-content {
+display: flex;
+align-items: center;
+gap: 12px;
+margin-bottom: 12px;
+}
+
+.loader {
+width: 20px;
+height: 20px;
+border: 3px solid var(--border-color);
+border-top-color: var(--primary-color);
+border-radius: 50%;
+animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+to { transform: rotate(360deg); }
+}
+
+.model-status.ready .loader {
+display: none;
+}
+
+.model-status.ready .status-content::before {
+content: "✓";
+width: 20px;
+height: 20px;
+background: #34C759;
+color: white;
+border-radius: 50%;
+display: flex;
+align-items: center;
+justify-content: center;
+font-size: 14px;
+font-weight: 700;
 }
 
-body,
-#container {
-    display: flex;
-    flex-direction: column;
-    justify-content: center;
-    align-items: center;
+#statusText {
+font-size: 14px;
+font-weight: 500;
+color: var(--text-primary);
 }
 
-#container {
-    position: relative;
-    gap: 0.4rem;
+.progress-bar {
+width: 100%;
+height: 4px;
+background: var(--border-color);
+border-radius: 2px;
+overflow: hidden;
+}
+
+.progress-fill {
+height: 100%;
+background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
+width: 0%;
+transition: width 0.3s ease;
+}
+
+.model-status.ready .progress-bar {
+display: none;
+}
+
+/* Chat Container */
+.chat-container {
+flex: 1;
+background: var(--surface);
+border-radius: var(--radius);
+box-shadow: var(--shadow);
+display: flex;
+flex-direction: column;
+overflow: hidden;
+}
 
-    width: 640px;
-    height: 640px;
-    max-width: 100%;
-    max-height: 100%;
+.chat-messages {
+flex: 1;
+overflow-y: auto;
+padding: 30px;
+display: flex;
+flex-direction: column;
+gap: 20px;
+}
 
-    border: 2px dashed #D1D5DB;
-    border-radius: 0.75rem;
-    overflow: hidden;
-    cursor: pointer;
-    margin: 1rem;
+.chat-messages::-webkit-scrollbar {
+width: 8px;
+}
+
+.chat-messages::-webkit-scrollbar-track {
+background: transparent;
+}
+
+.chat-messages::-webkit-scrollbar-thumb {
+background: var(--border-color);
+border-radius: 4px;
+}
+
+.chat-messages::-webkit-scrollbar-thumb:hover {
+background: var(--text-secondary);
+}
+
+/* Welcome Message */
+.welcome-message {
+text-align: center;
+padding: 60px 20px;
+color: var(--text-secondary);
+}
+
+.welcome-icon {
+font-size: 64px;
+margin-bottom: 20px;
+}
+
+.welcome-message h2 {
+font-size: 28px;
+font-weight: 600;
+color: var(--text-primary);
+margin-bottom: 12px;
+}
+
+.welcome-message p {
+font-size: 16px;
+max-width: 400px;
+margin: 0 auto;
+}
+
+/* Message Bubbles */
+.message {
+display: flex;
+gap: 12px;
+animation: slideIn 0.3s ease;
+}
+
+@keyframes slideIn {
+from {
+opacity: 0;
+transform: translateY(10px);
+}
+to {
+opacity: 1;
+transform: translateY(0);
+}
+}
 
-    background-size: 100% 100%;
-    background-position: center;
-    background-repeat: no-repeat;
-    font-size: 18px;
+.message.user {
+flex-direction: row-reverse;
 }
 
-#upload {
-    display: none;
+.message-avatar {
+width: 36px;
+height: 36px;
+border-radius: 50%;
+display: flex;
+align-items: center;
+justify-content: center;
+font-size: 18px;
+flex-shrink: 0;
 }
 
-svg {
-    pointer-events: none;
+.message.user .message-avatar {
+background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
 }
 
-#example {
-    font-size: 14px;
-    text-decoration: underline;
-    cursor: pointer;
+.message.assistant .message-avatar {
+background: var(--border-color);
 }
 
-#example:hover {
-    color: #2563EB;
+.message-content {
+max-width: 70%;
+padding: 14px 18px;
+border-radius: var(--radius-small);
+font-size: 15px;
+line-height: 1.5;
 }
 
-.bounding-box {
-    position: absolute;
-    box-sizing: border-box;
-    border: solid 2px;
+.message.user .message-content {
+background: var(--primary-color);
+color: white;
+border-bottom-right-radius: 4px;
 }
 
-.bounding-box-label {
-    color: white;
-    position: absolute;
-    font-size: 12px;
-    margin: -16px 0 0 -2px;
-    padding: 1px;
+.message.assistant .message-content {
+background: var(--background);
+color: var(--text-primary);
+border-bottom-left-radius: 4px;
+}
+
+.message-content p {
+margin: 0 0 8px 0;
+}
+
+.message-content p:last-child {
+margin-bottom: 0;
+}
+
+.message-content code {
+background: rgba(0, 0, 0, 0.1);
+padding: 2px 6px;
+border-radius: 4px;
+font-family: 'SF Mono', Monaco, monospace;
+font-size: 13px;
+}
+
+.message.user .message-content code {
+background: rgba(255, 255, 255, 0.2);
+}
+
+.typing-indicator {
+display: flex;
+gap: 4px;
+padding: 14px 18px;
+}
+
+.typing-dot {
+width: 8px;
+height: 8px;
+background: var(--text-secondary);
+border-radius: 50%;
+animation: typing 1.4s infinite;
+}
+
+.typing-dot:nth-child(2) {
+animation-delay: 0.2s;
+}
+
+.typing-dot:nth-child(3) {
+animation-delay: 0.4s;
+}
+
+@keyframes typing {
+0%, 60%, 100% {
+transform: translateY(0);
+opacity: 0.7;
+}
+30% {
+transform: translateY(-10px);
+opacity: 1;
+}
+}
+
+/* Input Area */
+.input-container {
+padding: 20px;
+border-top: 1px solid var(--border-color);
+background: var(--surface);
+}
+
+.input-wrapper {
+display: flex;
+gap: 12px;
+align-items: flex-end;
+}
+
+.user-input {
+flex: 1;
+padding: 14px 18px;
+border: 2px solid var(--border-color);
+border-radius: var(--radius-small);
+font-size: 15px;
+font-family: inherit;
+resize: none;
+max-height: 120px;
+transition: all 0.3s ease;
+background: var(--background);
+}
+
+.user-input:focus {
+outline: none;
+border-color: var(--primary-color);
+background: var(--surface);
+}
+
+.user-input:disabled {
+opacity: 0.5;
+cursor: not-allowed;
+}
+
+.send-button {
+width: 48px;
+height: 48px;
+border: none;
+border-radius: 50%;
+background: var(--primary-color);
+color: white;
+cursor: pointer;
+display: flex;
+align-items: center;
+justify-content: center;
+transition: all 0.3s ease;
+flex-shrink: 0;
+}
+
+.send-button:hover:not(:disabled) {
+background: var(--secondary-color);
+transform: scale(1.05);
+}
+
+.send-button:active:not(:disabled) {
+transform: scale(0.95);
+}
+
+.send-button:disabled {
+opacity: 0.5;
+cursor: not-allowed;
+}
+
+.input-hint {
+margin-top: 8px;
+font-size: 12px;
+color: var(--text-secondary);
+text-align: center;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+.container {
+padding: 10px;
+}
+
+.header {
+padding: 20px 10px 15px;
+}
+
+.title {
+font-size: 36px;
+}
+
+.chat-messages {
+padding: 20px 15px;
+}
+
+.message-content {
+max-width: 85%;
+}
+
+.welcome-message {
+padding: 40px 15px;
+}
+
+.welcome-icon {
+font-size: 48px;
+}
+
+.welcome-message h2 {
+font-size: 24px;
+}
 }