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style.css

@@ -1,76 +1,393 @@
 * {
-    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;
+--primary-hover: #0051D5;
+--background: #F5F5F7;
+--surface: #FFFFFF;
+--text-primary: #1D1D1F;
+--text-secondary: #86868B;
+--border: #D2D2D7;
+--shadow: rgba(0, 0, 0, 0.1);
+--user-message: #007AFF;
+--assistant-message: #E5E5EA;
 }
 
 body {
-    padding: 32px;
+font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
+background: var(--background);
+color: var(--text-primary);
+line-height: 1.6;
+overflow: hidden;
 }
 
-body,
-#container {
-    display: flex;
-    flex-direction: column;
-    justify-content: center;
-    align-items: center;
+.container {
+max-width: 900px;
+margin: 0 auto;
+height: 100vh;
+display: flex;
+flex-direction: column;
+background: var(--surface);
+box-shadow: 0 0 50px var(--shadow);
 }
 
-#container {
-    position: relative;
-    gap: 0.4rem;
+.header {
+background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+color: white;
+padding: 2rem;
+text-align: center;
+border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+backdrop-filter: blur(10px);
+}
 
-    width: 640px;
-    height: 640px;
-    max-width: 100%;
-    max-height: 100%;
+.header-content {
+margin-bottom: 1rem;
+}
 
-    border: 2px dashed #D1D5DB;
-    border-radius: 0.75rem;
-    overflow: hidden;
-    cursor: pointer;
-    margin: 1rem;
+.title {
+font-size: 2rem;
+font-weight: 700;
+margin-bottom: 0.5rem;
+letter-spacing: -0.5px;
+}
 
-    background-size: 100% 100%;
-    background-position: center;
-    background-repeat: no-repeat;
-    font-size: 18px;
+.subtitle {
+font-size: 0.95rem;
+opacity: 0.9;
+font-weight: 400;
 }
 
-#upload {
-    display: none;
+.built-with {
+display: inline-block;
+color: white;
+text-decoration: none;
+font-size: 0.85rem;
+padding: 0.5rem 1rem;
+background: rgba(255, 255, 255, 0.15);
+border-radius: 20px;
+transition: all 0.3s ease;
+backdrop-filter: blur(10px);
 }
 
-svg {
-    pointer-events: none;
+.built-with:hover {
+background: rgba(255, 255, 255, 0.25);
+transform: translateY(-2px);
 }
 
-#example {
-    font-size: 14px;
-    text-decoration: underline;
-    cursor: pointer;
+.chat-container {
+flex: 1;
+display: flex;
+flex-direction: column;
+overflow: hidden;
 }
 
-#example:hover {
-    color: #2563EB;
+.messages-container {
+flex: 1;
+overflow-y: auto;
+padding: 2rem;
+scroll-behavior: smooth;
 }
 
-.bounding-box {
-    position: absolute;
-    box-sizing: border-box;
-    border: solid 2px;
+.messages-container::-webkit-scrollbar {
+width: 8px;
 }
 
-.bounding-box-label {
-    color: white;
-    position: absolute;
-    font-size: 12px;
-    margin: -16px 0 0 -2px;
-    padding: 1px;
+.messages-container::-webkit-scrollbar-track {
+background: transparent;
+}
+
+.messages-container::-webkit-scrollbar-thumb {
+background: var(--border);
+border-radius: 4px;
+}
+
+.messages-container::-webkit-scrollbar-thumb:hover {
+background: var(--text-secondary);
+}
+
+.welcome-message {
+text-align: center;
+padding: 3rem 1rem;
+color: var(--text-secondary);
+}
+
+.welcome-icon {
+font-size: 4rem;
+margin-bottom: 1rem;
+animation: float 3s ease-in-out infinite;
+}
+
+@keyframes float {
+0%, 100% { transform: translateY(0px); }
+50% { transform: translateY(-10px); }
+}
+
+.welcome-message h2 {
+font-size: 1.5rem;
+color: var(--text-primary);
+margin-bottom: 0.5rem;
+font-weight: 600;
+}
+
+.welcome-message p {
+font-size: 1rem;
+max-width: 500px;
+margin: 0 auto;
+}
+
+.message {
+display: flex;
+margin-bottom: 1.5rem;
+animation: slideIn 0.3s ease;
+}
+
+@keyframes slideIn {
+from {
+opacity: 0;
+transform: translateY(10px);
+}
+to {
+opacity: 1;
+transform: translateY(0);
+}
+}
+
+.message.user {
+justify-content: flex-end;
+}
+
+.message-content {
+max-width: 70%;
+padding: 1rem 1.25rem;
+border-radius: 18px;
+font-size: 0.95rem;
+line-height: 1.5;
+word-wrap: break-word;
+}
+
+.message.user .message-content {
+background: var(--user-message);
+color: white;
+border-bottom-right-radius: 4px;
+}
+
+.message.assistant .message-content {
+background: var(--assistant-message);
+color: var(--text-primary);
+border-bottom-left-radius: 4px;
+}
+
+.typing-indicator {
+display: flex;
+gap: 4px;
+padding: 1rem 1.25rem;
+}
+
+.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-container {
+padding: 1.5rem;
+background: var(--surface);
+border-top: 1px solid var(--border);
+}
+
+.input-wrapper {
+display: flex;
+gap: 0.75rem;
+align-items: flex-end;
+background: var(--background);
+border-radius: 24px;
+padding: 0.5rem;
+border: 2px solid transparent;
+transition: all 0.3s ease;
+}
+
+.input-wrapper:focus-within {
+border-color: var(--primary-color);
+background: var(--surface);
+}
+
+#userInput {
+flex: 1;
+border: none;
+background: transparent;
+padding: 0.75rem 1rem;
+font-size: 0.95rem;
+font-family: inherit;
+resize: none;
+max-height: 120px;
+outline: none;
+color: var(--text-primary);
+}
+
+#userInput::placeholder {
+color: var(--text-secondary);
+}
+
+.send-btn {
+width: 40px;
+height: 40px;
+border: none;
+background: var(--primary-color);
+color: white;
+border-radius: 50%;
+cursor: pointer;
+display: flex;
+align-items: center;
+justify-content: center;
+transition: all 0.3s ease;
+flex-shrink: 0;
+}
+
+.send-btn:hover:not(:disabled) {
+background: var(--primary-hover);
+transform: scale(1.05);
+}
+
+.send-btn:active:not(:disabled) {
+transform: scale(0.95);
+}
+
+.send-btn:disabled {
+background: var(--border);
+cursor: not-allowed;
+opacity: 0.5;
+}
+
+.status {
+margin-top: 0.75rem;
+text-align: center;
+font-size: 0.85rem;
+color: var(--text-secondary);
+}
+
+.loading-overlay {
+position: fixed;
+top: 0;
+left: 0;
+right: 0;
+bottom: 0;
+background: rgba(0, 0, 0, 0.7);
+backdrop-filter: blur(10px);
+display: flex;
+align-items: center;
+justify-content: center;
+z-index: 1000;
+}
+
+.loading-overlay.hidden {
+display: none;
+}
+
+.loading-content {
+background: var(--surface);
+padding: 3rem;
+border-radius: 20px;
+text-align: center;
+max-width: 400px;
+box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
+}
+
+.loading-spinner {
+width: 60px;
+height: 60px;
+border: 4px solid var(--border);
+border-top-color: var(--primary-color);
+border-radius: 50%;
+animation: spin 1s linear infinite;
+margin: 0 auto 1.5rem;
+}
+
+@keyframes spin {
+to { transform: rotate(360deg); }
+}
+
+.loading-content h3 {
+font-size: 1.5rem;
+margin-bottom: 0.5rem;
+font-weight: 600;
+}
+
+.loading-content p {
+color: var(--text-secondary);
+margin-bottom: 1.5rem;
+}
+
+.progress-bar {
+width: 100%;
+height: 8px;
+background: var(--border);
+border-radius: 4px;
+overflow: hidden;
+margin-bottom: 0.5rem;
+}
+
+.progress-fill {
+height: 100%;
+background: linear-gradient(90deg, var(--primary-color), #667eea);
+width: 0%;
+transition: width 0.3s ease;
+border-radius: 4px;
+}
+
+.progress-text {
+font-size: 0.9rem;
+color: var(--text-secondary);
+font-weight: 500;
+}
+
+@media (max-width: 768px) {
+.container {
+max-width: 100%;
+}
+
+.header {
+padding: 1.5rem;
+}
+
+.title {
+font-size: 1.5rem;
+}
+
+.messages-container {
+padding: 1rem;
+}
+
+.message-content {
+max-width: 85%;
+}
+
+.loading-content {
+margin: 1rem;
+padding: 2rem;
+}
 }