body{margin:0;background:#f7fafc;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif} .container{max-width:1000px;margin:0 auto;padding:1rem} .navbar{background:#0f172a;color:#fff} .navbar a{color:#fff;text-decoration:none;margin-right:1rem} .card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1rem} .btn{display:inline-block;padding:.55rem .95rem;border-radius:10px;border:1px solid #111;background:#111;color:#fff;text-decoration:none} .btn-outline{background:#fff;color:#111} .alert{padding:.75rem 1rem;border-radius:10px} .alert-danger{background:#fee2e2} .alert-success{background:#dcfce7} table{width:100%;border-collapse:collapse} th,td{padding:.6rem;border-bottom:1px solid #e5e7eb;text-align:left} th{background:#f1f5f9} label{display:block;margin:.5rem 0 .25rem} input[type=text],input[type=password],input[type=email]{width:100%;padding:.6rem;border:1px solid #d1d5db;border-radius:10px}