:root{
  --bg:#f4f7fb; --panel:#ffffff; --text:#162238; --muted:#607086; --line:#dbe3ef;
  --brand:#0b62d6; --brand-dark:#084da9; --ok:#11845b; --warn:#b7791f; --bad:#b42318;
  --chip:#eef4ff; --shadow:0 10px 30px rgba(15,35,70,.08);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Arial,Helvetica,sans-serif}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.topbar{height:58px;background:#0c2340;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:var(--shadow);position:sticky;top:0;z-index:2}
.brand{font-weight:700;letter-spacing:.2px}.brand span{background:var(--brand);padding:4px 8px;border-radius:6px;margin-right:8px}
.nav a{color:#fff;margin-left:16px;opacity:.9}.nav a:hover{opacity:1;text-decoration:none}
.wrap{max-width:1320px;margin:26px auto;padding:0 18px}.narrow{max-width:520px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px;margin-bottom:18px}.panel h2,.panel h3{margin-top:0}
.grid{display:grid;gap:14px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.metric{font-size:28px;font-weight:800}.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}.nowrap{white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:9px;background:var(--brand);color:#fff;padding:9px 13px;font-weight:700;cursor:pointer;text-decoration:none;line-height:1.1}.btn:hover{background:var(--brand-dark);text-decoration:none}.btn.secondary{background:#e9eef7;color:#1a2a44}.btn.secondary:hover{background:#dce6f5}.btn.danger{background:var(--bad)}.btn.small{font-size:12px;padding:6px 9px;border-radius:7px}.btn.ghost{background:transparent;color:var(--brand);padding-left:0}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 10px;background:#fff;color:var(--text)}textarea{min-height:88px}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:12px}.form-row.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.form-row.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}label{display:block;font-weight:700;margin-bottom:5px}.hint{font-size:12px;color:var(--muted);margin-top:4px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}table{width:100%;border-collapse:collapse;min-width:960px}th,td{padding:10px 11px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fbff;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#50627a}tr:hover td{background:#fbfdff}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:700;background:var(--chip);color:#1c4d94}.badge.ok{background:#e9f8f2;color:var(--ok)}.badge.warn{background:#fff7e5;color:var(--warn)}.badge.bad{background:#ffeceb;color:var(--bad)}.badge.gray{background:#edf1f5;color:#52606d}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:12px;border:1px solid}.flash.ok{background:#e9f8f2;color:#116149;border-color:#bfe7d5}.flash.error{background:#ffeceb;color:#84201a;border-color:#ffc7c1}.flash.info{background:#eef4ff;color:#174a8b;border-color:#cfe0ff}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.filters{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr auto;gap:10px;align-items:end}.login-logo{font-size:30px;font-weight:800;margin-bottom:10px}.empty{padding:32px;text-align:center;color:var(--muted)}.mono{font-family:Consolas,Menlo,monospace}.footer{color:var(--muted);font-size:12px;margin:24px 0}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#9aa8b5;margin-right:6px}.status-dot.on{background:var(--ok)}.status-dot.off{background:var(--bad)}
@media (max-width:900px){.grid.cols-2,.grid.cols-3,.grid.cols-4,.form-row,.form-row.cols-3,.form-row.cols-4,.filters{grid-template-columns:1fr}.topbar{height:auto;gap:12px;align-items:flex-start;flex-direction:column;padding:14px 18px}.nav a{margin-left:0;margin-right:14px}.wrap{margin:16px auto}.metric{font-size:24px}}