:root{font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.5;color:#e8eaed;background:#0f1419}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:#6cb6ff}button{cursor:pointer;padding:.4rem .75rem;border-radius:6px;border:1px solid #3d4f5f;background:#1a2332;color:inherit}button.primary{background:#1f6feb;border-color:#1f6feb}input,textarea{padding:.5rem;border-radius:6px;border:1px solid #3d4f5f;background:#0d1117;color:inherit;width:100%;max-width:32rem}table{border-collapse:collapse;width:100%;max-width:48rem}th,td{border:1px solid #30363d;padding:.5rem .75rem;text-align:left}.layout{max-width:960px;margin:0 auto;padding:1.5rem}.nav{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.error{color:#f85149;white-space:pre-wrap}.card{background:#161b22;border:1px solid #30363d;border-radius:8px;padding:1rem;margin-bottom:1rem}