:root{--bg:#06101f;--panel:#0b1730;--line:#1c3566;--text:#f8fbff;--muted:#9fb3d4;--btn:#3b82f6;--danger:#ef4444;}
*{box-sizing:border-box} body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(180deg,#031020,#071a35);color:var(--text)} a{text-decoration:none;color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.nav a{padding:10px 14px;border-radius:12px;background:#0a1630;border:1px solid var(--line)}.nav a.active{background:#13306a}
.title{font-size:38px;font-weight:800;margin:0 0 6px}.muted{color:var(--muted)}
label{display:block;font-weight:700;margin:0 0 8px}input,textarea{width:100%;padding:13px 14px;border-radius:12px;border:1px solid #2d4f8f;background:#071225;color:#fff}textarea{min-height:110px;resize:vertical}
button,.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:0;background:var(--btn);color:#fff;font-weight:700;cursor:pointer}.btn-danger{background:var(--danger)}.btn-secondary{background:#334155}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}.badge{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700}.up{background:#133622;color:#9ae6b4}.blocked{background:#4a1320;color:#fecdd3}.unknown{background:#47350f;color:#fde68a}
.flash{padding:12px 14px;border-radius:12px;margin-bottom:16px}.ok{background:#12371f;color:#a7f3d0;border:1px solid #1c6a3d}.err{background:#43141f;color:#fecdd3;border:1px solid #7c2538}
.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-box{width:100%;max-width:470px}
.stat-num{font-size:32px;font-weight:800;margin-top:8px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
@media (max-width:900px){.grid-4,.grid-2{grid-template-columns:1fr}.title{font-size:32px}}