/* Dark automotive dashboard. Palette per dataviz reference (dark mode):
   surface #1a1a19, page #0d0d0d; series: blue #3987e5, aqua #199e70,
   yellow #c98500, violet #9085e9; status: good #0ca30c, warning #fab219,
   critical #d03b3b. */
:root {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --accent: #3987e5;
}

* { box-sizing: border-box; margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

header {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
h1 { font-size: 18px; font-weight: 650; }
h1 .sub { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 6px; }
h2 { font-size: 14px; font-weight: 600; color: var(--ink-2); }

.pill {
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--ink-2);
}
.pill-on { color: var(--good); border-color: var(--good); }
.pill-off { color: var(--muted); }
.pill-sim { color: var(--warning); border-color: var(--warning); font-weight: 700; }
.hidden { display: none !important; }

.controls { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ctl-label { color: var(--muted); font-size: 11px; margin-right: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.scenario { display: flex; align-items: center; }
.btn-group { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.btn-group button {
  background: none; border: none; color: var(--ink-2);
  padding: 6px 12px; font: inherit; font-size: 12px; cursor: pointer;
}
.btn-group button + button { border-left: 1px solid var(--border); }
.btn-group button.active { background: var(--surface); color: var(--ink); font-weight: 600; }
.btn-group button:hover { color: var(--ink); }

.select {
  background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; font: inherit; font-size: 13px; cursor: pointer;
}
.select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.sub-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 10px; }
.sub-card { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
            border-top: 3px solid var(--good); }
.sub-card.st-WATCH { border-top-color: var(--warning); }
.sub-card.st-ALERT { border-top-color: var(--critical); }
.sub-card .s-head { display: flex; justify-content: space-between; gap: 6px; align-items: baseline; }
.sub-card .s-name { font-weight: 600; font-size: 13px; }
.sub-card .s-status { font-size: 11px; font-weight: 700; }
.sub-card.st-OK .s-status { color: var(--good); }
.sub-card.st-WATCH .s-status { color: var(--warning); }
.sub-card.st-ALERT .s-status { color: var(--critical); }
.sub-card .s-metrics { color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.6;
                       font-variant-numeric: tabular-nums; }
.sub-card .s-metrics b { color: var(--ink-2); font-weight: 600; }
.sub-card .s-reason { color: var(--ink-2); font-size: 12px; margin-top: 6px; }

.btn {
  background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 14px; font: inherit; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn-rec.recording { color: var(--critical); border-color: var(--critical); }

main { padding: 16px 20px 40px; display: grid; gap: 16px; max-width: 1280px; margin: 0 auto; }

.gauges {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.gauge {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px 10px;
}
.gauge .g-name { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.gauge .g-value { font-size: 26px; font-weight: 650; margin: 4px 0 2px; }
.gauge .g-value .g-unit { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 4px; }
.gauge .g-bar { height: 4px; border-radius: 2px; background: var(--grid); overflow: hidden; }
.gauge .g-bar span { display: block; height: 100%; background: var(--accent); width: 0; transition: width 0.15s linear; }

.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }

.cyl-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-bottom: 14px; }
.cyl-card {
  border: 1px solid var(--border); border-left-width: 4px; border-radius: 8px;
  padding: 10px 12px;
}
.cyl-card .c-head { display: flex; justify-content: space-between; align-items: baseline; }
.cyl-card .c-title { font-weight: 600; display: flex; align-items: center; gap: 7px; }
.cyl-card .c-chip { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.cyl-card .c-status { font-size: 12px; font-weight: 700; }
.cyl-card .c-stats { color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.5; }
.cyl-card .c-stats b { color: var(--ink-2); font-weight: 600; }
.cyl-card .c-reason { color: var(--ink-2); font-size: 12px; margin-top: 6px; min-height: 16px; }

.cyl-card.st-OK    { border-left-color: var(--good); }
.cyl-card.st-WATCH { border-left-color: var(--warning); }
.cyl-card.st-ALERT { border-left-color: var(--critical); }
.st-OK    .c-status { color: var(--good); }
.st-WATCH .c-status { color: var(--warning); }
.st-ALERT .c-status { color: var(--critical); }

.coil-charts { display: grid; grid-template-columns: 1fr 2fr; gap: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 900px) {
  .coil-charts, .split { grid-template-columns: 1fr; }
}
figure canvas { width: 100%; height: 200px; display: block; }
figcaption { color: var(--muted); font-size: 12px; margin-bottom: 6px; }

.alerts { list-style: none; display: grid; gap: 6px; max-height: 260px; overflow-y: auto; }
.alerts li {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; display: flex; gap: 10px; align-items: baseline;
}
.alerts .a-time { color: var(--muted); font-size: 11px; white-space: nowrap; }
.alerts .a-badge { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.a-badge.WATCH { color: #000; background: var(--warning); }
.a-badge.ALERT { color: #fff; background: var(--critical); }
.muted { color: var(--muted); }