:root {
  --bg: #0d0f12;
  --card: #161a20;
  --card-2: #1d222a;
  --line: #2a3039;
  --text: #e8ebef;
  --muted: #8a93a0;
  --accent: #ff4d2e;
  --green: #35d07f;
  --red: #ff4d4d;
  --amber: #ffb547;
  --blue: #4da3ff;
  --purple: #b277ff;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(13, 15, 18, 0.92); backdrop-filter: blur(6px); z-index: 10;
}
.brand { font-weight: 800; letter-spacing: 0.04em; color: var(--accent); }
.brand span { color: var(--text); font-weight: 600; }
.top-right { display: flex; gap: 10px; align-items: center; }

.status { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.status i { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.status.live i { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status.stale i { background: var(--amber); }
.status.off i { background: var(--red); }

.btn {
  background: var(--card-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 10px; font: inherit; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--muted); }

.waiting {
  margin: 12px 16px 0; padding: 10px 14px; border-radius: 8px;
  background: rgba(255, 181, 71, 0.1); border: 1px solid rgba(255, 181, 71, 0.35);
  display: flex; flex-direction: column; gap: 2px;
}
.waiting span { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }

.grid {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px;
  padding: 12px 16px 24px; max-width: 1500px; margin: 0 auto;
}
.span-12 { grid-column: span 12; }
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-3 { grid-column: span 3; }

@media (max-width: 1100px) {
  .span-5, .span-4, .span-7 { grid-column: span 6; }
  .span-3 { grid-column: span 6; }
  .driver { grid-column: span 12; }
}
@media (max-width: 700px) {
  .grid > section { grid-column: span 12 !important; }
}

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; min-width: 0; }
.card h2 {
  margin: 0 0 10px; font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); display: flex; align-items: center; justify-content: space-between;
}

/* Timing */
.timing { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; padding: 10px; }
@media (max-width: 700px) {
  .timing { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid { padding: 12px 10px 24px; gap: 10px; }
  .gear { font-size: 56px; }
  .speed { font-size: 52px; }
  .driver-main { gap: 10px; }
  .gear-box { min-width: 48px; }
  .legend { font-size: 11px; }
}
.tile { background: var(--card-2); border-radius: 8px; padding: 8px 10px; min-width: 0; }
.tile label { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.tile b { font: 700 20px/1.3 var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.tile small { font: 12px var(--mono); color: var(--muted); }
.purple { color: var(--purple); }
.pos { color: var(--red); }
.neg { color: var(--green); }

/* Driver */
.driver-main { display: flex; align-items: center; gap: 16px; }
.gear-box { text-align: center; min-width: 70px; }
.gear { font: 800 72px/1 var(--mono); }
.sgear { font: 12px var(--mono); color: var(--amber); height: 16px; }
.speed-box { flex: 1; text-align: center; }
.speed { font: 800 64px/1 var(--mono); }
.unit { color: var(--muted); font-size: 12px; }
.pedals { display: flex; gap: 10px; }
.pedal { text-align: center; }
.pedal label { font-size: 10px; color: var(--muted); }
.bar { width: 18px; height: 96px; background: var(--card-2); border-radius: 4px; position: relative; overflow: hidden; }
.fill { position: absolute; bottom: 0; left: 0; right: 0; height: 0; }
.fill.thr { background: var(--green); }
.fill.brk { background: var(--red); }

.rpm { margin-top: 14px; }
.rpm-bar { height: 14px; background: var(--card-2); border-radius: 4px; position: relative; overflow: hidden; }
.rpm-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: linear-gradient(90deg, var(--green), var(--amber)); }
.rpm-fill.shift { background: var(--red); }
.rpm-alert { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--red); opacity: 0.8; }
.rpm-label { font: 12px var(--mono); color: var(--muted); margin-top: 4px; text-align: right; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; min-height: 22px; }
.chip { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: var(--card-2); color: var(--muted); border: 1px solid var(--line); }
.chip.on { color: #111; background: var(--amber); border-color: var(--amber); }
.chip.bad { color: #fff; background: var(--red); border-color: var(--red); }

/* Fuel */
.fuel-gauge { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.fuel-bar { flex: 1; height: 18px; background: var(--card-2); border-radius: 4px; overflow: hidden; }
.fuel-fill { height: 100%; width: 0; background: var(--blue); transition: width 0.3s; }
.fuel-fill.low { background: var(--red); }
.fuel-num b { font: 700 22px var(--mono); }
.fuel-num span { color: var(--muted); margin-left: 6px; font-size: 12px; }

.stats { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; margin: 0; }
.stats > div { background: var(--card-2); border-radius: 6px; padding: 6px 10px; }
.stats dt { font-size: 11px; color: var(--muted); }
.stats dd { margin: 0; font: 700 17px var(--mono); }
.stats.compact dd { font-size: 14px; }
.stats.compact { margin-top: 10px; }

/* Tyres */
.tyre-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
.tyre { border-radius: 8px; padding: 10px; text-align: center; background: var(--card-2); border: 2px solid var(--line); transition: border-color 0.4s, background 0.4s; }
.tyre label { display: block; font-size: 11px; color: var(--muted); }
.tyre b { font: 700 22px var(--mono); }

/* Canvases */
.trace canvas, .map canvas { width: 100%; height: 220px; display: block; }
.legend { text-transform: none; letter-spacing: 0; font-weight: 400; display: flex; gap: 6px; align-items: center; }
.legend i { width: 10px; height: 3px; display: inline-block; margin-left: 6px; }
.lg-thr { background: var(--green); }
.lg-brk { background: var(--red); }
.lg-spd { background: var(--muted); }

/* Lap table */
.table-wrap { overflow-x: auto; max-height: 420px; overflow-y: auto; }
table { width: 100%; border-collapse: collapse; font: 13px var(--mono); }
th { text-align: left; font: 600 11px system-ui, sans-serif; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 6px 8px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--card); white-space: nowrap; }
td { padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tr.best td:nth-child(2) { color: var(--purple); font-weight: 700; }
td.empty { color: var(--muted); text-align: center; padding: 18px; font-family: system-ui, sans-serif; }
.tag { font: 700 10px system-ui, sans-serif; padding: 1px 6px; border-radius: 4px; background: var(--blue); color: #fff; }