:root{
  --bg:#0f1724; --panel:#16213a; --panel-2:#1c2b49; --ink:#e8eef8; --dim:#9fb0cc;
  --accent:#2563eb; --accent-2:#38bdf8; --gold:#d4a017; --line:rgba(255,255,255,.09);
  --ok:#22c55e; --danger:#ef4444; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;line-height:1.5}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1040px;margin:0 auto;padding:24px 20px}
.narrow{max-width:440px}

/* Header */
.topbar{position:sticky;top:0;z-index:10;background:rgba(15,23,36,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1040px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:16px}
.brand{font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.brand span{color:var(--gold)}
.spacer{flex:1}
.navlink{color:var(--dim);font-size:.9rem}
.navlink:hover{color:var(--ink);text-decoration:none}
.lang a{color:var(--dim);font-size:.82rem;padding:2px 5px;border-radius:6px}
.lang a.on{color:var(--ink);background:var(--panel-2)}

/* Cards & forms */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px}
h1{font-size:1.5rem;margin:0 0 6px}
h2{font-size:1.15rem;margin:0 0 14px}
.sub{color:var(--dim);margin:0 0 18px}
label{display:block;font-size:.85rem;color:var(--dim);margin:12px 0 5px}
input[type=text],input[type=email],input[type=password],input[type=tel],select{
  width:100%;padding:10px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;color:var(--ink);font-size:.95rem}
input:focus,select:focus{outline:none;border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:9px;border:1px solid var(--line);
  background:var(--accent);color:#fff;font-weight:600;font-size:.92rem;cursor:pointer;transition:.15s}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.sm{padding:6px 11px;font-size:.82rem}
.btn.block{width:100%;justify-content:center}
.muted{color:var(--dim);font-size:.85rem}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}

/* Alerts */
.alert{padding:10px 13px;border-radius:9px;margin-bottom:14px;font-size:.9rem}
.alert.ok{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.4);color:#bbf7d0}
.alert.err{background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.4);color:#fecaca}

/* Table */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{color:var(--dim);font-weight:600}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:600}
.pill.on{background:rgba(34,197,94,.16);color:#8ef0b1}
.pill.off{background:rgba(239,68,68,.16);color:#fca5a5}
.pill.admin{background:rgba(212,160,23,.18);color:#f2cf72}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.toolbar input,.toolbar select{width:auto}