: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}}:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f3f4f6}.container{max-width:800px;margin:24px auto;background:#fff;padding:16px;border-radius:8px;box-shadow:0 6px 20px #00000014}header{display:flex;justify-content:space-between;margin-bottom:12px}.controls{margin-bottom:12px;display:flex;gap:12px;align-items:center}.chat{height:60vh;overflow-y:auto;border:1px solid #e5e7eb;border-radius:6px;padding:12px;background:#fff}.msg{margin-bottom:12px;padding:8px 12px;border-radius:6px}.msg.user{background:#e0efff;align-self:flex-end}.msg.assistant{background:#eef2f7}.role{font-size:12px;font-weight:600;color:#374151;margin-bottom:4px}.composer{margin-top:12px;display:flex;gap:8px}.composer input{flex:1;padding:10px;border-radius:6px;border:1px solid #d1d5db}button{padding:10px 16px;background:#2563eb;border:none;border-radius:6px;color:#fff;cursor:pointer}.tag{padding:4px 8px;background:#f59e0b;color:#fff;border-radius:4px;font-size:12px}