:root {
  color-scheme: dark;
  --bg: #0e1116;
  --card: #161b22;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff5252;
  --good: #2ea043;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: #0a0d12;
}

header h1 { margin: 0; font-size: 18px; letter-spacing: 0.04em; }
header .status { display: flex; gap: 12px; align-items: center; }

nav.tabs {
  display: flex;
  gap: 4px;
  margin-left: 24px;
  flex: 1;
}
nav.tabs button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
nav.tabs button:hover { color: var(--text); }
nav.tabs button.active {
  background: var(--card);
  color: var(--text);
  border-color: var(--accent);
}

select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
}

.badge {
  font-size: 11px;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.badge-on  { background: #0d2818; color: var(--good); border-color: #1f4d2c; }
.badge-off { background: #2a1515; color: var(--accent); border-color: #4d1f1f; }

main.view { display: none; }
main.view.active { display: grid; }

#view-live {
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 360px auto;
  gap: 16px;
  padding: 16px;
}
#view-live.with-vehicle {
  grid-template-columns: 2fr 1fr 1fr 1fr;
}
#view-live.with-vehicle .panel.wide { grid-column: 2 / 5; }
#vehicle-panel[hidden] { display: none; }

.bar-row {
  display: grid;
  grid-template-columns: 64px 1fr 48px;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.bar {
  height: 10px;
  background: #0a0d12;
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0;
  transition: width 80ms linear;
}
.bar-fill-throttle { background: var(--good); }
.bar-fill-brake    { background: var(--accent); }
.bar-value { font-size: 12px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

#view-tracks {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto;
  gap: 16px;
  padding: 16px;
}
#view-tracks .map-card { min-height: 720px; }
#view-tracks .panel.wide { grid-column: 2 / 3; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.map-card { grid-row: 1 / 3; min-height: 720px; }
.panel { padding: 16px; }
.panel.wide { grid-column: 2 / 4; }
.panel h2 { margin: 0 0 10px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.metric:last-of-type { border-bottom: none; }
.label { color: var(--muted); font-size: 12px; }
.value { font-size: 22px; font-variant-numeric: tabular-nums; }
.value small { font-size: 12px; color: var(--muted); margin-left: 4px; }

.big-time {
  font-size: 38px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: center;
  padding: 8px 0;
}
.sub { text-align: center; color: var(--muted); font-size: 13px; }

.gforce { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.gforce svg { width: 140px; height: 140px; background: #0a0d12; border-radius: 50%; }
.g-readout { display: flex; flex-direction: column; gap: 6px; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; }
tr.best td { color: #ffd166; font-weight: 600; }
td.delta-up { color: var(--accent); }
td.delta-down { color: var(--good); }

#map, #track-map { padding: 0; }
.leaflet-container { background: #0a0d12; }

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.form-row label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--muted);
  gap: 4px;
}
.form-row input {
  background: #0a0d12;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  min-width: 140px;
  font-variant-numeric: tabular-nums;
}
.actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.actions button, .actions a {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
}
.actions button:hover, .actions a:hover { filter: brightness(1.1); }
#track-reset { background: #444; }
.hint { color: var(--muted); font-size: 12px; margin-top: 0; }