:root {
  --bg: #f5f7fa; --card: #ffffff; --line: #e3e8ef; --text: #16202c; --muted: #66758a;
  --accent: #16a34a; --accent-soft: rgba(22, 163, 74, .14); --up: #2563eb; --up-soft: rgba(37, 99, 235, .14);
  --bad: #c2410c; --bad-bg: #fff1e8; --warn: #b45309; --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --card: #151b23; --line: #263040; --text: #e6edf3; --muted: #8b98a9;
    --accent: #22c55e; --accent-soft: rgba(34, 197, 94, .16); --up: #60a5fa; --up-soft: rgba(96, 165, 250, .16);
    --bad: #fb923c; --bad-bg: rgba(251, 146, 60, .12); --warn: #fbbf24; --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1117; --card: #151b23; --line: #263040; --text: #e6edf3; --muted: #8b98a9;
  --accent: #22c55e; --accent-soft: rgba(34, 197, 94, .16); --up: #60a5fa; --up-soft: rgba(96, 165, 250, .16);
  --bad: #fb923c; --bad-bg: rgba(251, 146, 60, .12); --warn: #fbbf24; --shadow: none;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.top-right { display: flex; align-items: center; gap: 12px; }
.top-right form { margin: 0; }
.pill { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.ghost { font: inherit; font-size: 13px; color: var(--muted); background: none; border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.ghost:hover { color: var(--text); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 24px 40px; display: grid; gap: 16px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.kpi, .card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.kpi { padding: 14px 16px; }
.kpi .label { font-size: 12px; color: var(--muted); }
.kpi .value { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.kpi .sub { font-size: 12px; color: var(--muted); min-height: 16px; }
.kpi .value.warn { color: var(--warn); }
.bar { height: 6px; background: var(--line); border-radius: 99px; margin-top: 8px; overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width .4s; }
.bar span.warn { background: var(--warn); }

.card { padding: 16px 18px; min-width: 0; }
.card h2 { font-size: 14px; font-weight: 600; margin: 0 0 12px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.chart { height: 180px; }
.chart.wide { height: 160px; }
.chart svg { width: 100%; height: 100%; display: block; overflow: visible; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .area-down { fill: var(--accent-soft); } .chart .line-down { stroke: var(--accent); fill: none; stroke-width: 2; }
.chart .area-up { fill: var(--up-soft); } .chart .line-up { stroke: var(--up); fill: none; stroke-width: 2; }
.chart .barr { fill: var(--accent); opacity: .85; }
.chart .empty { fill: var(--muted); font-size: 13px; }
.legend { font-size: 12px; color: var(--muted); display: flex; gap: 14px; align-items: center; margin-top: 8px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: -8px; }
.sw.down { background: var(--accent); } .sw.up { background: var(--up); }

.devices, .host { display: grid; gap: 10px; }
.row { display: grid; grid-template-columns: 110px 1fr 70px; gap: 10px; align-items: center; font-size: 14px; }
.row .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.row .bar { margin: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

@media (max-width: 600px) {
  .top, .wrap { padding-left: 16px; padding-right: 16px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .kpi { padding: 12px; }
  .kpi .value { font-size: 20px; }
  .row { grid-template-columns: 90px 1fr 60px; }
}