:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel2: #1b1f26;
  --line: #2a2f38;
  --text: #e8eaee;
  --muted: #8b93a1;
  --accent: #ff5c33;
  --ok: #45d17e;
  --warn: #ffb02e;
  --bad: #ff4d5e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.04em;
}

.topbar h1 span { color: var(--accent); }

.chips { display: flex; gap: 8px; }

.chip {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel);
}

.chip[data-state="ok"] { color: var(--ok); border-color: var(--ok); }
.chip[data-state="wait"] { color: var(--warn); border-color: var(--warn); }
.chip[data-state="bad"] { color: var(--bad); border-color: var(--bad); }

main {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  padding: 18px 22px;
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 860px) { main { grid-template-columns: 1fr; } }

.gauge-panel, .controls {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.readouts { display: grid; gap: 14px; }

.readout { display: flex; align-items: baseline; gap: 8px; }
.readout .value {
  font: 600 52px/1 "Consolas", monospace;
  font-variant-numeric: tabular-nums;
}
.readout.main .value { font-size: 72px; color: var(--accent); }
.readout.gear .value { font-size: 44px; }
.readout .unit { color: var(--muted); font-size: 14px; }

.row { display: flex; gap: 28px; }

.rpm-track {
  position: relative;
  height: 14px;
  border-radius: 7px;
  background: var(--panel2);
  overflow: hidden;
}

.rpm-red {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(255, 77, 94, 0.16);
  border-left: 1px solid var(--bad);
}

.rpm-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, var(--ok), var(--warn) 78%, var(--accent));
  border-radius: 7px 0 0 7px;
}

.rpm-fill.in-red { background: linear-gradient(90deg, var(--warn), var(--accent)); }

.bar { display: grid; gap: 6px; }
.bar > span { color: var(--muted); font-size: 13px; }

.bar-track {
  height: 10px;
  border-radius: 5px;
  background: var(--panel2);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 5px 0 0 5px;
}

.start-btn {
  width: 100%;
  padding: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}

.start-btn.on {
  background: var(--accent);
  border-color: var(--accent);
  color: #14080a;
}

.segmented {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.segmented button {
  flex: 1;
  padding: 9px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}

.segmented button[aria-checked="true"] {
  background: var(--panel2);
  color: var(--text);
}

.controls { display: grid; gap: 14px; align-content: start; }

.car-card.current {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.car-name { display: block; font-weight: 600; }
.car-tag { display: block; }
.car-tag { color: var(--muted); font-size: 13px; }

.car-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.car-card:not(.current) {
  padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.car-card:not(.current):hover { border-color: var(--accent); }
.car-card[aria-checked="true"]:not(.current) { border-color: var(--accent); }

.pads { display: flex; gap: 8px; }

.pad {
  flex: 1;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  user-select: none;
  touch-action: none;
}

.pad.active { background: var(--accent); color: #14080a; border-color: var(--accent); }
.pad-rev { opacity: 0.45; }
body.can-rev .pad-rev { opacity: 1; }

.ghost-btn {
  padding: 10px;
  background: transparent;
  border: 1px dashed var(--line);
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}

.ghost-btn:hover { color: var(--text); border-color: var(--accent); }

.sliders { display: grid; gap: 10px; }

.sliders label {
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.sliders input[type="range"] { width: 100%; accent-color: var(--accent); }

.status { margin: 0; min-height: 22px; color: var(--muted); font-size: 13.5px; }
.status.warn { color: var(--warn); }
.status.bad { color: var(--bad); }

footer {
  padding: 12px 22px 26px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

.row { flex-wrap: wrap; gap: 18px; }
.readout.acceleration .value { font-size: 36px; }
.gps-help { margin: 0; color: var(--muted); font-size: 13px; }
@media (max-width: 480px) {
  .topbar { padding: 12px; flex-wrap: wrap; gap: 8px; }
  .chips { flex-wrap: wrap; }
  main { padding: 12px; }
  .gauge-panel, .controls { padding: 14px; min-width: 0; }
  .readout .value { font-size: 40px; }
}

footer a { color: var(--accent); }