:root{--bg:#081225;--card:#fff;--blue:#1d4ed8;--green:#16a34a;--dark:#111827;--orange:#f97316;--muted:#64748b}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(135deg,#081225,#193a8a);color:#0f172a}.container{max-width:1180px;margin:auto;padding:28px}.card{background:rgba(255,255,255,.96);border-radius:24px;padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.18);margin-bottom:20px}.small{color:#475569}.btn{display:inline-block;border:0;border-radius:12px;background:var(--green);color:#fff;padding:13px 18px;text-decoration:none;font-weight:bold;cursor:pointer;margin:4px}.btn.blue{background:var(--blue)}.btn.dark{background:var(--dark)}.btn.orange{background:var(--orange)}.btn.red{background:#dc2626}.form-group{margin:14px 0}label{font-weight:700;display:block;margin-bottom:8px}.form-control{width:100%;padding:14px;border:1px solid #cbd5e1;border-radius:14px;font-size:16px}.alert{padding:14px;border-radius:14px;margin:14px 0;font-weight:bold}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}th,td{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left}th{background:#0f172a;color:white}.topbar{background:#0f172a;color:white}.topbar .container{display:flex;align-items:center;justify-content:space-between;padding:14px 28px}.topbar a{color:white;text-decoration:none;margin-left:12px;font-weight:bold}.logo-mini{height:58px;max-width:180px;object-fit:contain}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.metric{background:linear-gradient(135deg,#111827,#1e40af);color:white;border-radius:20px;padding:22px;box-shadow:0 14px 30px rgba(0,0,0,.16)}.metric h2{font-size:40px;margin:8px 0}.cupom-box{background:#0f172a;color:#fff;text-align:center;padding:22px;border-radius:18px;margin-top:18px}.cupom-box h1{color:#22c55e;font-size:42px;margin:8px 0}.login-box{max-width:430px;margin:55px auto}.public-card{max-width:720px;margin:35px auto}.actions{display:flex;flex-wrap:wrap;gap:8px}.rank-list{display:grid;gap:10px}.rank-item{display:flex;justify-content:space-between;background:#f8fafc;border:1px solid #e2e8f0;padding:12px;border-radius:14px}@media(max-width:700px){.container{padding:18px}.topbar .container{display:block}.topbar a{display:inline-block;margin:8px 8px 0 0}table{font-size:13px}}