body{margin:0;font-family:Segoe UI,Arial;background:#f3f4f6}
.navbar{background:#111827;color:white;padding:12px 18px;font-size:18px;font-weight:bold}
.card{max-width:1250px;background:white;padding:18px;border-radius:14px;
      box-shadow:0 8px 20px rgba(0,0,0,.12);margin:20px auto}
button{padding:10px 16px;border:none;border-radius:8px;background:#2563eb;
       color:white;cursor:pointer;margin-right:8px}
table{width:100%;border-collapse:collapse;margin-top:15px}
th,td{border:1px solid #ddd;padding:8px}
th{background:#1e293b;color:#fff}
.badge{padding:6px 10px;border-radius:8px}
.ok{background:#d1fae5;color:#065f46}
.error{background:#fee2e2;color:#7f1d1d}
.info{background:#e0f2fe;color:#075985}
.menu{max-width:900px;margin:30px auto;display:grid;gap:14px}
.menu a{background:white;padding:14px;border-radius:10px;text-decoration:none;
        color:#111827;border:1px solid #e5e7eb;display:block}
.menu a:hover{background:#e5f0ff}