/* Layout: a workshop spec sheet. Showroom (preview + figures) beside the design controls,
   with dyno, market fit and garage cards underneath. */
:root {
  --bg: #e9ecef;
  --surface: #f7f8fa;
  --ink: #15181d;
  --muted: #5b6470;
  --line: #cdd3da;
  --accent: #cf4318;
  --accent-ink: #ffffff;
  --torque: #2d67a8;
  --good: #2f8a4c;
  --warn: #b7791f;
  --bad: #c03a2b;
  --preview-bg: #dde2e7;
  --ground: #9aa3ad;
  --font-display: 'Saira Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317; --surface: #1a1d22; --ink: #e6e8eb; --muted: #949ca7; --line: #2d333b;
    --accent: #ff6b3d; --accent-ink: #1a0d06; --torque: #6aa6e8; --good: #5cc27d; --warn: #e2a64a; --bad: #ef6b5b;
    --preview-bg: #20242a; --ground: #4a525c; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111317; --surface: #1a1d22; --ink: #e6e8eb; --muted: #949ca7; --line: #2d333b;
  --accent: #ff6b3d; --accent-ink: #1a0d06; --torque: #6aa6e8; --good: #5cc27d; --warn: #e2a64a; --bad: #ef6b5b;
  --preview-bg: #20242a; --ground: #4a525c; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 var(--font-body);
  padding-inline: 16px;
  padding-block: 0 32px;
}
button, input, select { font: inherit; color: inherit; }
button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 7px 12px;
  cursor: pointer;
}
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.race-link { display:inline-flex; align-items:center; border:1px solid var(--accent); background:var(--accent); color:var(--accent-ink); border-radius:var(--radius); padding:7px 12px; text-decoration:none; font-weight:600; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Top bar */
.topbar {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px 16px;
  border-bottom: 2px solid var(--ink);
}
.title-block { min-width: 0; flex: 1 1 260px; }
.car-name {
  width: 100%;
  border: 0;
  background: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  padding: 0;
}
.car-name:focus-visible { outline-offset: 4px; }
.topbar-actions { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; }
.price-tag strong {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin-right: 8px;
}
.units { display: flex; }
.units button { border-radius: 0; }
.units button:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.units button:last-child { border-radius: 0 var(--radius) var(--radius) 0; border-left: 0; }
.units button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* Main grid */
.workspace {
  max-width: 1320px;
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 20px;
}
.workspace > * { min-width: 0; }
.dyno { grid-column: 1; }
.market { grid-column: 2; grid-row: 2 / span 2; }
.garage { grid-column: 1; }
@media (max-width: 900px) {
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .dyno, .market, .garage { grid-column: 1; grid-row: auto; }
}

.card, .designer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  text-wrap: balance;
}
h2 { font-size: 22px; }
h3 { font-size: 17px; margin-top: 20px; color: var(--muted); }

/* Showroom */
.preview-wrap {
  background: var(--preview-bg);
  border-radius: var(--radius);
  overflow: hidden;
}
.viewer { position: relative; aspect-ratio: 2 / 1; max-width: 100%; }
.viewer canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#preview { object-fit: contain; }
canvas.viewer3d { cursor: grab; touch-action: none; }
canvas.viewer3d:active { cursor: grabbing; }
.viewer-bar {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
  max-width: calc(100% - 20px);
}
.viewer-bar button, .spin {
  font-size: 12px;
  padding: 4px 9px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.view-buttons { display: flex; }
.view-buttons button { border-radius: 0; margin-left: -1px; }
.view-buttons button:first-child { border-radius: var(--radius) 0 0 var(--radius); margin-left: 0; }
.view-buttons button:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.spin { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.spin input { margin: 0; accent-color: var(--accent); }
.viewer-hint {
  position: absolute;
  left: 14px;
  bottom: 8px;
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  pointer-events: none;
}
.engine-summary {
  margin: 0;
  padding: 8px 14px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.figures {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0 0;
}
.figures div { background: var(--surface); padding: 10px 12px; }
.figures dt { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.figures dd {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.figures dd small { font-family: var(--font-body); font-weight: 400; font-size: 12px; color: var(--muted); margin-left: 3px; }
.warnings { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.warnings li {
  border-left: 3px solid var(--warn);
  background: var(--surface);
  padding: 8px 12px;
  font-size: 13px;
}

/* Designer */
.designer { align-self: start; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.tabs button {
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 10px;
  margin-bottom: -1px;
}
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.panel { display: grid; gap: 14px; }
.control { display: grid; gap: 4px; }
.control label { display: flex; justify-content: space-between; gap: 8px; font-weight: 500; }
.control output { font-family: var(--font-mono); font-size: 13px; color: var(--accent); font-variant-numeric: tabular-nums; }
.control select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}
.control input[type="range"] { width: 100%; accent-color: var(--accent); }
.control input[type="color"] { width: 64px; height: 34px; padding: 2px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.control .hint { font-size: 12px; color: var(--muted); }
.control .ends { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }

/* Dyno */
#dyno { display: block; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.swatch { display: inline-block; width: 14px; height: 3px; vertical-align: middle; margin-right: 6px; }
.swatch.power { background: var(--accent); }
.swatch.torque { background: var(--torque); }

/* Meters */
.meters { display: grid; gap: 10px; }
.meter { display: grid; grid-template-columns: minmax(0, 8em) minmax(0, 1fr) 3.2em; align-items: center; gap: 10px; }
.meter .name { font-weight: 500; }
.meter .bar { height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.meter .fill { height: 100%; border-radius: 5px; transition: width 0.25s ease; }
.meter .val { font-family: var(--font-mono); font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; }
.meter .verdict { grid-column: 2 / span 2; font-size: 12px; color: var(--muted); margin-top: -6px; }
.meters.compact { gap: 6px; }
.meters.compact .bar { height: 6px; }
.fill.good { background: var(--good); }
.fill.mid { background: var(--warn); }
.fill.low { background: var(--bad); }
.fill.plain { background: var(--muted); }

/* Garage */
.garage-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.garage-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.garage-list .dot { width: 14px; height: 14px; border-radius: 50%; flex: none; }
.garage-list .gname { font-family: var(--font-display); font-weight: 700; font-size: 19px; text-transform: uppercase; }
.garage-list .gstats { font-family: var(--font-mono); font-size: 12px; color: var(--muted); flex: 1 1 200px; min-width: 0; }
.garage-list .gbtns { display: flex; gap: 6px; }
.garage-list .empty { border-style: dashed; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .meter .fill { transition: none; }
}