:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh}#app{display:flex;width:100%;height:100vh}.sidebar{width:300px;background-color:#1a1a1a;padding:20px;border-right:1px solid #333;display:flex;flex-direction:column;gap:20px}.sidebar h2{margin:0;font-size:1.2rem;color:#fff}.control-group{display:flex;flex-direction:column;gap:8px}.control-group label{font-size:.9rem;color:#888}.control-group input,.control-group select{padding:8px;background-color:#333;border:1px solid #444;border-radius:4px;color:#fff}.chat-container{flex:1;display:flex;flex-direction:column;background-color:#242424}.chat-header{padding:20px;border-bottom:1px solid #333;background-color:#1a1a1a}.chat-header h3{margin:0;font-size:1rem}.messages-area{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.message{max-width:70%;padding:12px 16px;border-radius:12px;font-size:.95rem;line-height:1.4}.message.inbound{align-self:flex-end;background-color:#007bff;color:#fff;border-bottom-right-radius:2px}.message.outbound{align-self:flex-start;background-color:#333;color:#ddd;border-bottom-left-radius:2px}.message.thinking{align-self:flex-end;background-color:#2b2b2b;color:#888;font-style:italic;border-bottom-right-radius:2px;animation:pulse 1.5s infinite}.message.error{align-self:center;background-color:#ff00001a;color:#f44;border:1px solid rgba(255,0,0,.2);font-size:.85rem;max-width:90%}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.input-area{padding:20px;border-top:1px solid #333;background-color:#1a1a1a;display:flex;flex-direction:column;gap:10px}.input-controls{display:flex;gap:10px;width:100%}.icon-btn{display:flex;align-items:center;justify-content:center;width:60px;height:60px;background-color:#333;border:1px solid #444;border-radius:8px;cursor:pointer;font-size:1.5rem;transition:background-color .2s}.icon-btn:hover{background-color:#444}.image-preview-area{display:flex;gap:10px;flex-wrap:wrap;max-height:100px;overflow-y:auto}.preview-thumb{width:60px;height:60px;object-fit:cover;border-radius:6px;border:2px solid #555;position:relative}.message-image{max-width:100%;max-height:200px;border-radius:8px;margin-top:8px;display:block}.input-area textarea{flex:1;height:60px;padding:12px;background-color:#333;border:1px solid #444;border-radius:8px;color:#fff;resize:none;font-family:inherit}.input-area button{padding:0 24px;background-color:#007bff;border:none;border-radius:8px;color:#fff;font-weight:600;cursor:pointer;transition:background-color .2s}.input-area button:hover{background-color:#0056b3}.preview-link{display:inline-block;margin-top:8px;padding:8px 16px;background-color:#28a745;color:#fff!important;text-decoration:none;border-radius:6px;font-weight:600;font-size:.9rem;transition:background-color .2s}.preview-link:hover{background-color:#218838}.message a{color:#4da6ff;text-decoration:underline}.message a:hover{color:#66b3ff}