:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;color-scheme:dark;color:#ffffffe6}body{margin:0;display:flex;justify-content:center;min-height:100vh;background-color:#050505;background-image:radial-gradient(circle at 50% 0%,rgba(74,222,128,.15) 0%,transparent 60%),linear-gradient(to bottom,#0a0a0a,#000);background-attachment:fixed}#root{width:100%;max-width:600px;min-height:100vh;padding:20px;box-sizing:border-box;background-color:#121212;box-shadow:0 0 50px #00000080;border-left:1px solid #1a1a1a;border-right:1px solid #1a1a1a}button{border-radius:8px;border:1px solid transparent;padding:10px 20px;font-size:1em;font-weight:500;background-color:#2c2c2c;color:#fff;cursor:pointer;transition:.2s;width:100%;margin-top:10px}button:hover{background-color:#3a3a3a;border-color:#646cff}button:disabled{cursor:not-allowed;opacity:.6}input,select{width:100%;padding:10px;margin-top:5px;margin-bottom:15px;border-radius:6px;border:1px solid #444;background:#1e1e1e;color:#fff;box-sizing:border-box}input:focus,select:focus{outline:none;border-color:#4ade80}.card{background:#1e1e1e;padding:15px;border-radius:10px;border:1px solid #333;margin-bottom:10px}h1,h2,h3{text-align:center}