:root{
  --bg:#08090c; --bg-2:#0d0f14; --panel:#11141b; --panel-2:#161a23;
  --border:#1f2430; --text:#e7e9ee; --muted:#8a93a6;
  --accent:#7c5cff; --accent-2:#22d3ee; --danger:#ef4444; --ok:#22c55e;
  --grad:linear-gradient(135deg,#7c5cff 0%,#22d3ee 100%);
  --radius:14px; --shadow:0 20px 60px -20px rgba(124,92,255,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
body{min-height:100vh;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(124,92,255,.18), transparent 60%),
  radial-gradient(900px 500px at -10% 110%, rgba(34,211,238,.12), transparent 60%),
  var(--bg);}
a{color:var(--accent-2);text-decoration:none}
a:hover{color:#67e8f9}
.container{max-width:1180px;margin:0 auto;padding:24px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;
  border-bottom:1px solid var(--border);backdrop-filter:blur(8px);
  background:rgba(8,9,12,.6);position:sticky;top:0;z-index:50}
.brand{font-weight:700;letter-spacing:.3px;font-size:18px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;
  border:1px solid var(--border);background:var(--panel);color:var(--text);
  cursor:pointer;font-weight:500;transition:.15s;font-size:14px}
.btn:hover{border-color:#2a3142;transform:translateY(-1px)}
.btn-primary{background:var(--grad);border:none;color:#0b0c10;font-weight:600;
  box-shadow:var(--shadow)}
.btn-primary:hover{filter:brightness(1.1)}
.btn-ghost{background:transparent}
.btn-danger{background:#1a0f12;border-color:#3a1d22;color:#fca5a5}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:0 4px 24px rgba(0,0,0,.25)}
.card-grad{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--border)}
.hero{padding:80px 0 60px;text-align:center}
.hero h1{font-size:54px;margin:0 0 18px;line-height:1.05;letter-spacing:-1px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:17px;color:var(--muted);max-width:640px;margin:0 auto 28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.stat{font-size:34px;font-weight:700;margin-top:6px}
.input,.select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-2);color:var(--text);font-size:15px;outline:none}
.input:focus{border-color:var(--accent)}
.form-row{margin-bottom:14px}
.form-row label{display:block;margin-bottom:6px;font-size:13px;color:var(--muted)}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:14px}
.alert-error{background:#1a0f12;border:1px solid #3a1d22;color:#fca5a5}
.alert-ok{background:#0f1a13;border:1px solid #1d3a25;color:#86efac}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid var(--border)}
.table th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.table tr:hover td{background:rgba(255,255,255,.02)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;
  text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.badge-free{background:#1f1a2e;color:#a78bfa;border:1px solid #3b2f5e}
.badge-prem{background:#0c1a1f;color:#67e8f9;border:1px solid #1e4a55}
.badge-admin{background:#1a0c0c;color:#fca5a5;border:1px solid #4a1e1e}
.badge-ban{background:#1a0c0c;color:#ef4444;border:1px solid #5a1e1e}
.pager{display:flex;gap:6px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 12px;border-radius:8px;border:1px solid var(--border);
  background:var(--panel);color:var(--text);font-size:14px}
.pager .active{background:var(--grad);color:#0b0c10;border:none;font-weight:600}

/* ===== panel layout ===== */
.layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--panel);border-right:1px solid var(--border);
  padding:20px;transition:.25s;flex-shrink:0}
.sidebar.collapsed{margin-left:-260px}
.sidebar h3{font-size:11px;color:var(--muted);text-transform:uppercase;
  letter-spacing:1px;margin:18px 0 8px}
.menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  color:var(--text);margin-bottom:4px;font-size:14px}
.menu a:hover{background:var(--panel-2)}
.menu a.active{background:var(--grad);color:#0b0c10;font-weight:600}
.main{flex:1;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel)}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--border);background:var(--bg-2);cursor:pointer;color:var(--text)}
.icon-btn:hover{background:var(--panel-2)}
.content{padding:24px}

@media (max-width:768px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .sidebar{position:fixed;top:0;left:0;height:100vh;z-index:100;margin-left:-280px}
  .sidebar.open{margin-left:0}
}