:root{--card-bg:#fff;--card-br:#e5e7eb;--text:#111}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;margin:0;background:#f7fafc;color:var(--text)}
.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:var(--card-bg);border:1px solid var(--card-br);border-radius:12px;padding:1rem;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.btn{display:inline-block;padding:.5rem .9rem;border-radius:10px;border:1px solid #111;background:#111;color:#fff;text-decoration:none}
.btn-outline{background:#fff;color:#111}
.btn-danger{background:#b91c1c;border-color:#b91c1c}
.btn-secondary{background:#334155;border-color:#334155}
.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mb-3{margin-bottom:1rem}
label{display:block;margin:.4rem 0 .25rem}
input[type=text],input[type=password],input[type=email],select{width:100%;padding:.5rem;border:1px solid #d1d5db;border-radius:10px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
th,td{padding:.6rem;border-bottom:1px solid #e5e7eb;text-align:left}
th{background:#f1f5f9}
.alert{padding:.75rem 1rem;border-radius:10px}
.alert-danger{background:#fee2e2}
.alert-success{background:#dcfce7}
.badge{display:inline-block;padding:.25rem .5rem;border-radius:8px;font-size:.85rem}
.badge-admin{background:#1d4ed8;color:#fff}
.badge-editor{background:#6b7280;color:#fff}
.badge-viewer{background:#e5e7eb}