:root{
  --bg:#f4f6fb; --panel:#ffffff; --ink:#1a2233; --muted:#67748c; --border:#e3e8f2;
  --accent:#4f46e5; --accent-soft:#eef0fe;
  --ok:#16a34a; --ok-soft:#e7f6ec; --warn:#d97706; --warn-soft:#fdf1e0;
  --bad:#dc2626; --bad-soft:#fdeaea; --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.05);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1220; --panel:#141b2d; --ink:#e8edf7; --muted:#93a1bd; --border:#25304a;
  --accent:#7c7bff; --accent-soft:#1e2540;
  --ok:#37d67a; --ok-soft:#123021; --warn:#f0a13a; --warn-soft:#33260f;
  --bad:#f16b6b; --bad-soft:#331717; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--panel);border-right:1px solid var(--border);padding:22px 16px;
  display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;
  padding:6px 10px 18px;letter-spacing:-.01em}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#22d3ee);
  display:grid;place-items:center;color:#fff;font-size:1rem}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;
  color:var(--muted);font-weight:600;font-size:.93rem}
.nav a:hover{background:var(--accent-soft);color:var(--ink)}
.nav a.on{background:var(--accent-soft);color:var(--accent)}
.nav .ico{width:18px;text-align:center}
.side .foot{margin-top:auto;font-size:.8rem;color:var(--muted);padding:10px}
.main{padding:26px clamp(18px,3.5vw,40px)}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.top h1{font-size:1.5rem;margin:0;letter-spacing:-.02em}
.top .sub{color:var(--muted);font-size:.9rem;margin-top:2px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;
  border:none;border-radius:9px;padding:9px 16px;font-weight:650;font-size:.9rem;cursor:pointer}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}
.btn.sm{padding:6px 11px;font-size:.82rem}
.btn.ok{background:var(--ok)} .btn.bad{background:var(--bad)}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)} .g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.g4,.g3,.g2{grid-template-columns:1fr 1fr}.layout{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 4px;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.stat{font-size:2rem;font-weight:800;letter-spacing:-.02em}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:700;
  padding:3px 10px;border-radius:999px}
.pill.ok{background:var(--ok-soft);color:var(--ok)} .pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.warn{background:var(--warn-soft);color:var(--warn)} .pill.mut{background:var(--accent-soft);color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;display:inline-block}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;color:var(--muted);font-weight:600;font-size:.76rem;text-transform:uppercase;
  letter-spacing:.06em;padding:10px 12px;border-bottom:1px solid var(--border)}
td{padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
.tag{font-size:.74rem;font-weight:700;padding:2px 8px;border-radius:6px;background:var(--accent-soft);color:var(--accent)}
.muted{color:var(--muted)} .mono{font-variant-numeric:tabular-nums}
.section-title{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:26px 0 12px}
label.f{display:block;margin-bottom:14px}
label.f .lab{font-size:.86rem;font-weight:600;margin-bottom:5px;display:flex;gap:8px;align-items:center}
input[type=text],input[type=password],select{width:100%;padding:9px 11px;border:1px solid var(--border);
  border-radius:9px;background:var(--bg);color:var(--ink);font-size:.9rem;font-family:inherit}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}
.flash{background:var(--ok-soft);color:var(--ok);border:1px solid var(--ok);border-radius:10px;
  padding:10px 14px;margin-bottom:18px;font-weight:600;font-size:.9rem}
.login{min-height:100vh;display:grid;place-items:center}
.login .box{background:var(--panel);border:1px solid var(--border);border-radius:16px;
  padding:32px;width:min(380px,92vw);box-shadow:var(--shadow)}
.err{color:var(--bad);font-size:.86rem;margin-top:10px}
video{width:100%;border-radius:10px;background:#000}
.spin{display:inline-block;width:13px;height:13px;border:2px solid currentColor;border-right-color:transparent;
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-1px}
@keyframes sp{to{transform:rotate(360deg)}}