/* Motorsound Stufe 2. Dunkles Tesla-Display, große Touchflächen. */

:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev-2: #1d232c;
  --line: #2a313c;
  --text: #f3f5f8;
  --muted: #9aa3b2;
  --accent: #f0a04b;
  --accent-dim: rgba(240, 160, 75, 0.16);
  --ok: #3ecf8e;
  --ok-dim: rgba(62, 207, 142, 0.16);
  --bad: #ff6b7a;
  --bad-dim: rgba(255, 107, 122, 0.16);
  --wait: #e7c05c;
  --info: #6cb4ff;
  --coast: #6cb4ff;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: "Segoe UI", "DejaVu Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "DejaVu Sans Mono", "Consolas", ui-monospace, monospace;
  --btn-h: 4.25rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.45;
  min-height: 100%;
}

body {
  min-height: 100dvh;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

button, a, input { font: inherit; color: inherit; }

button, input[type="range"], input[type="checkbox"] {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button { cursor: pointer; }

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

.wrap {
  width: min(1360px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.9rem 0 3rem;
}

.top { margin-bottom: 0.8rem; }

.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
}

.tag {
  color: var(--accent);
  font-weight: 700;
}

.safety {
  margin: 0.65rem 0 0;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(240, 160, 75, 0.45);
  background: var(--accent-dim);
  font-weight: 700;
  font-size: 1.02rem;
}

.alert {
  margin-top: 0.65rem;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  background: var(--bad-dim);
  border: 1px solid var(--bad);
  color: var(--bad);
  font-weight: 700;
}

.gauges {
  display: grid;
  grid-template-columns: 1.15fr 1.25fr 0.8fr;
  gap: 0.7rem;
  margin: 0.9rem 0 0.8rem;
}

.gauge {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.6rem 0.8rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.gauge-value {
  font-size: clamp(2.4rem, 7.2vw, 5.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.gauge-unit {
  margin-top: 0.3rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.gauge-gear .gauge-value { color: var(--accent); }

.load-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 1rem 1rem;
  margin-bottom: 0.9rem;
  box-shadow: var(--shadow);
}

.load-label {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.load-label span:last-child { color: var(--muted); }

.load-track {
  height: 1.35rem;
  border-radius: 999px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

.load-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: #3ecf8e;
  transition: width 80ms linear, background-color 200ms;
}

.load-fill.is-mid { background: var(--accent); }
.load-fill.is-high { background: #ff6b7a; }
.load-fill.is-coast { background: var(--coast); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0.2rem 0 0.4rem;
}

[hidden] { display: none !important; }

.btn {
  appearance: none;
  border: 2px solid transparent;
  min-height: var(--btn-h);
  padding: 0.7rem 1.2rem;
  border-radius: 14px;
  font-weight: 800;
  font-size: 1.15rem;
  flex: 1 1 220px;
  background: var(--accent);
  color: #1a1208;
}

.btn:active { transform: translateY(1px); }

.btn:focus-visible {
  outline: 3px solid var(--info);
  outline-offset: 2px;
}

.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-elev-2);
  color: var(--text);
  border-color: #4a5360;
}

.btn-danger {
  background: #d64b59;
  color: #fff;
}

.note {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.15rem 0 0.9rem;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.15rem;
  margin: 0 0 0.9rem;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
  font-weight: 800;
}

.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.seg-btn {
  appearance: none;
  border: 2px solid #4a5360;
  background: var(--bg-elev-2);
  color: var(--text);
  min-height: 3.6rem;
  padding: 0.5rem 0.9rem;
  border-radius: 12px;
  font-weight: 800;
  flex: 1 1 140px;
}

.seg-btn.active {
  background: var(--accent);
  color: #1a1208;
  border-color: var(--accent);
}

.shift-row { margin-top: 0.75rem; }

.vol-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.8rem;
  align-items: center;
}

.vol-val {
  min-width: 6.2rem;
  text-align: right;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  height: 2.2rem;
  accent-color: var(--accent);
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
}

.check input {
  width: 1.45rem;
  height: 1.45rem;
  margin-top: 0.15rem;
  flex: none;
}

.facts {
  display: grid;
  grid-template-columns: minmax(8rem, 32%) 1fr;
  gap: 0.4rem 0.8rem;
  margin: 0;
}

.facts dt { color: var(--muted); font-weight: 600; }
.facts dd { margin: 0; overflow-wrap: break-word; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 1.2rem 0 0;
}

@media (max-width: 720px) {
  .gauges { grid-template-columns: 1fr; }
  .gauge-value { font-size: 3.2rem; }
  .facts {
    grid-template-columns: 1fr;
    gap: 0.1rem 0;
  }
  .facts dt {
    margin-top: 0.5rem;
    font-size: 0.86rem;
  }
  .facts dt:first-child { margin-top: 0; }
}

@media (min-width: 980px) {
  html, body { font-size: 19px; }
}