:root{font-family: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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Segoe 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#0000001a;margin-bottom:1.5rem;width:100%}.demo-symptoms h4{margin-bottom:1rem;color:#1e40af;font-size:1.1rem}.demo-buttons{display:flex;flex-direction:column;gap:.75rem}.demo-btn{background:#f8fafc;border:1px solid #e5e7eb;padding:.75rem 1rem;border-radius:8px;text-align:left;cursor:pointer;transition:all .3s;font-size:.9rem;color:#374151}.demo-btn:hover{background:#3b82f6;color:#fff;border-color:#3b82f6}.demo-btn:disabled{opacity:.6;cursor:not-allowed}.clear-chat-btn{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;cursor:pointer;margin-left:1rem;transition:all .3s}.clear-chat-btn:hover{background:#ffffff4d}.chat-container{background:#fff;border-radius:20px;box-shadow:0 10px 40px #0000001a;overflow:hidden;margin-bottom:2rem;width:100%}.chat-header{background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;padding:1.5rem;text-align:center;width:100%;position:relative}.chat-header 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button{background:#3b82f6;color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-weight:600;cursor:pointer;transition:all .3s}.chat-input-container button:disabled{background:#9ca3af;cursor:not-allowed}.chat-input-container button:hover:not(:disabled){background:#2563eb}.back-button{background:#6b7280;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;margin:2rem auto;display:block;transition:all .3s}.back-button:hover{background:#4b5563;transform:translateY(-2px)}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1}.chat-messages::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}@media(max-width:768px){.demo-buttons{gap:.5rem}.demo-btn{font-size:.8rem;padding:.6rem .8rem}.clear-chat-btn{position:static;margin:.5rem 0 0;display:block;width:fit-content;margin-left:auto;margin-right:auto}}