:root{
  --bg:#f4f6f9;--panel:#ffffff;--ink:#14202e;--muted:#66758a;--line:#e3e8ef;
  --accent:#1f6feb;--down:#1f6feb;--up:#16a34a;--warn:#d97706;--bad:#dc2626;
  --guest:#7c3aed;--rooms:#0891b2;--admin:#475569;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1117;--panel:#161b22;--ink:#e6edf3;--muted:#8b98a8;--line:#272e38;
  --accent:#4c8dff;--down:#4c8dff;--up:#3fb950;--shadow:none;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}
header{display:flex;align-items:center;gap:16px;padding:14px 24px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header h1{font-size:17px;margin:0;font-weight:650;letter-spacing:.2px}
header .sp{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;background:var(--bg);border:1px solid var(--line)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.ok .dot{background:var(--up)} .bad .dot{background:var(--bad)}
main{max-width:1400px;margin:0 auto;padding:20px 24px 60px}
.grid{display:grid;gap:14px}
.cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.card .lbl{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.card .val{font-size:24px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.card .sub{color:var(--muted);font-size:12px;margin-top:2px}
.down{color:var(--down)} .up{color:var(--up)}
h2{font-size:15px;margin:26px 0 10px;font-weight:650}
.wan{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.wan .card{display:flex;flex-direction:column;gap:4px}
.wan .name{display:flex;justify-content:space-between;font-weight:650}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:22px 0 10px}
.tabs{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:3px}
.tabs button{border:0;background:none;color:var(--muted);padding:6px 14px;border-radius:7px;font:inherit;font-weight:600;cursor:pointer}
.tabs button.on{background:var(--accent);color:#fff}
input[type=search],input[type=text],input[type=password]{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;min-width:240px}
.tablewrap{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;color:var(--muted);font-weight:650;text-transform:uppercase;letter-spacing:.4px;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;cursor:pointer;user-select:none;position:sticky;top:0;background:var(--panel)}
th.sorted::after{content:" ▾"} th.sorted.asc::after{content:" ▴"}
td{padding:9px 14px;border-bottom:1px solid var(--line);vertical-align:middle;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:0}
tbody tr.click{cursor:pointer} tbody tr.click:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}
.dev b{display:block;font-weight:650}
.dev small{color:var(--muted)}
.badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:700;color:#fff;letter-spacing:.3px}
.b-GUEST{background:var(--guest)} .b-ROOMS{background:var(--rooms)} .b-ADMIN{background:var(--admin)}
.bar{display:flex;align-items:center;gap:8px;min-width:170px}
.bar .t{height:6px;border-radius:3px;background:var(--line);flex:1;overflow:hidden}
.bar .f{height:100%;border-radius:3px}
.bar span{width:84px;text-align:right;font-weight:600}
.muted{color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:900px){.two{grid-template-columns:1fr}header{padding:12px 16px}main{padding:16px}input[type=search]{min-width:0;flex:1}}
.chartbox{height:260px}
.feed{max-height:420px;overflow:auto}
.btn{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
.btn:disabled{opacity:.6}
.login{max-width:360px;margin:12vh auto;padding:28px}
.login h1{font-size:20px;margin:0 0 4px}
.login input{width:100%;margin-top:10px}
.login .btn{width:100%;margin-top:16px}
.err{color:var(--bad);margin-top:10px;font-weight:600}
.empty{padding:30px;text-align:center;color:var(--muted)}
.tag{display:inline-block;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;margin:2px 3px 0 0;font-size:11px;color:var(--muted)}