: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}}body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0f0f0f;color:#e5e5e5;display:flex;justify-content:center;align-items:center;height:100vh}.chat-container{width:900px;height:80vh;display:flex;flex-direction:column;background:#1e1e1e;border-radius:12px;box-shadow:0 8px 40px #0009;overflow:hidden}.chat-window{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px}.msg{max-width:70%;padding:12px 14px;border-radius:12px;font-size:15px;line-height:1.6;white-space:pre-wrap}.msg.user{background:#2b7cff;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.msg.ai{background:#2a2a2a;color:#e5e5e5;margin-right:auto;border-bottom-left-radius:4px}.input-area{display:flex;align-items:center;padding:12px;border-top:1px solid #333;background:#1e1e1e}.input-area input{flex:1;padding:12px 14px;border-radius:8px;border:1px solid #555;outline:none;font-size:15px;background:#2a2a2a;color:#e5e5e5}.input-area input:focus{border-color:#2b7cff}.input-area button{margin-left:10px;padding:10px 16px;border-radius:8px;border:none;background:#2b7cff;color:#fff;font-size:14px;cursor:pointer}.input-area button:hover{background:#1a5fd1}.app{text-align:center;margin-top:20px}.title{margin-bottom:10px}