:root{
  --bg:#0b1020; --card:#0f1733; --muted:#a9b2d1; --text:#e9edff;
  --brand:#7c5cff; --brand2:#00d4ff; --danger:#ff4d6d; --ok:#2ee59d;
  --border:rgba(255,255,255,.10); --shadow:0 18px 55px rgba(0,0,0,.55);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(800px 500px at 85% 20%, rgba(0,212,255,.25), transparent 55%),
    linear-gradient(180deg, #060815, var(--bg));
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1150px;margin:0 auto;padding:28px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  display:grid;place-items:center;font-weight:800;color:#071022;
  box-shadow:0 12px 30px rgba(124,92,255,.35);
}
.brand h1{margin:0;font-size:18px}
.brand p{margin:0;color:var(--muted);font-size:12px}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  padding:10px 12px;border:1px solid var(--border);border-radius:999px;
  background:rgba(255,255,255,.04);font-size:13px;color:var(--muted)
}
.pill.active{color:var(--text);border-color:rgba(124,92,255,.5);background:rgba(124,92,255,.14)}
.card{
  margin-top:18px;border:1px solid var(--border);border-radius:var(--radius);
  background:rgba(15,23,51,.72);box-shadow:var(--shadow);overflow:hidden
}
.card-h{
  padding:18px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:14px
}
.card-h h2{margin:0;font-size:16px}
.card-h .muted{color:var(--muted);font-size:12px}
.card-b{padding:18px 20px}
.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.grid.cols-2{grid-template-columns:1fr}}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:7px}
.input,select,textarea{
  width:100%;border:1px solid var(--border);background:rgba(255,255,255,.04);
  color:var(--text);padding:12px;border-radius:12px;outline:none
}
textarea{min-height:110px;resize:vertical}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 12px;border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;
  font-weight:600;font-size:13px
}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:999px}
.btn.danger{border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.12)}
.btn.ok{border-color:rgba(46,229,157,.45);background:rgba(46,229,157,.12)}
.btn.primary{background:linear-gradient(135deg, rgba(124,92,255,.75), rgba(0,212,255,.55));border-color:rgba(255,255,255,.18)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:11px 10px;border-bottom:1px solid var(--border);font-size:13px}
.table th{color:var(--muted);font-weight:600;text-align:left}
.badge{font-size:12px;padding:6px 9px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}
.badge.on{color:var(--ok);border-color:rgba(46,229,157,.45);background:rgba(46,229,157,.09)}
.badge.off{color:var(--danger);border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.09)}
.alert{padding:12px 14px;border-radius:14px;margin:12px 0;border:1px solid var(--border);background:rgba(255,255,255,.04)}
.alert.err{border-color:rgba(255,77,109,.4);background:rgba(255,77,109,.10)}
.alert.ok{border-color:rgba(46,229,157,.4);background:rgba(46,229,157,.10)}
.small{font-size:12px;color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.footer{margin-top:18px;color:var(--muted);font-size:12px;text-align:center}