body,#root{min-height:100vh;margin:0;padding:0;font-family:system-ui,sans-serif;background:#f8f9fa;color:#222}nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;border-bottom:1px solid #e5e5e5;background:#fff;box-shadow:0 2px 8px #00000008;position:sticky;top:0;z-index:10}nav button{padding:.45rem 1.1rem;border-radius:4px;background:#007bff;color:#fff;border:none;cursor:pointer;font-size:1rem;transition:background .2s;margin-left:.5rem}nav button:hover{background:#0056b3}main{display:flex;align-items:center;justify-content:center;min-height:80vh}table{border-collapse:collapse;min-width:600px;background:#fff;box-shadow:0 2px 8px #0000000d}th,td{padding:.75rem 1rem;border:1px solid #eee;text-align:left;color:#222}th{background:#f5f5f5;font-weight:600}td button{padding:.25rem .75rem;border-radius:4px;border:none;cursor:pointer;font-size:.95rem;margin-right:.3rem}td button:first-child{background:#ffc107;color:#222}td button:last-child{background:#dc3545;color:#fff}form{display:flex;flex-direction:column;gap:1.2rem;background:#fff;padding:2rem 2.5rem;border-radius:8px;box-shadow:0 2px 8px #0000000a;min-width:320px;margin:2rem auto}label{display:flex;flex-direction:column;font-weight:500;color:#333;gap:.4rem}input[type=text],input[type=password],input[type=url]{padding:.5rem .8rem;border:1px solid #ccc;border-radius:4px;font-size:1rem;background:#f9f9f9;transition:border .2s}input:focus{border:1.5px solid #007bff;outline:none;background:#fff}button[type=submit]{background:#007bff;color:#fff;border:none;border-radius:4px;padding:.6rem 1.2rem;font-size:1rem;cursor:pointer;margin-top:.5rem;transition:background .2s}button[type=submit]:hover{background:#0056b3}