:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif}.container{max-width:900px;margin:2rem auto;padding:1rem}.grid{display:grid;grid-template-columns:1fr 2fr;gap:1rem}.card{border:1px solid #ddd;border-radius:8px;padding:1rem}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid #eee;padding:.5rem;text-align:left}.actions{display:flex;gap:.5rem}input{width:100%;padding:.5rem;margin:.4rem 0}button{padding:.5rem .8rem;border:none;border-radius:6px;cursor:pointer;background:#0ea5e9;color:#fff}button.secondary{background:#64748b}button.danger{background:#ef4444}button:disabled{opacity:.6;cursor:not-allowed}.error{color:#ef4444;margin-top:.5rem}