.bcl-shell {
  --n-ink: #1c1712;
  --n-muted: #6d6458;
  --n-paper: #efe4d0;
  --n-panel: #f7ecd8;
  --n-line: #d7c8ae;
  --n-steel: #eadfcb;
  --n-steel-soft: #f4ebda;
  --n-brass: #c4a35a;
  --n-brass-deep: #8d6b2f;
  --n-link: #3a3630;
  --n-link-inner: #7a746a;
  --n-orange: #d35b2a;
  --n-green: #3f7d55;
  --n-red: #c44536;
  --n-shadow: #1c171230;
  --n-ticket: #f3e2b8;
  --n-stage-copy: #1c1712;
  --n-board: #f7f0e2;
  --n-sheen: #fff8;
  --n-lamp: #3f7d55;
  --bcl-link-count: 114;

  container-type: inline-size;
  color: var(--n-ink);
}

.theme-light .bcl-shell {
  --n-ink: #1c1712;
  --n-muted: #6d6458;
  --n-paper: #efe4d0;
  --n-panel: #f7ecd8;
  --n-line: #d7c8ae;
  --n-steel: #eadfcb;
  --n-steel-soft: #f4ebda;
  --n-brass: #c4a35a;
  --n-brass-deep: #8d6b2f;
  --n-link: #3a3630;
  --n-link-inner: #7a746a;
  --n-ticket: #f3e2b8;
  --n-stage-copy: #1c1712;
  --n-board: #f7f0e2;
  --n-sheen: #fff8;
}

.theme-dark .bcl-shell {
  --n-ink: #f3eadc;
  --n-muted: #b3aa9c;
  --n-paper: #14171a;
  --n-panel: #1c2126;
  --n-line: #3a4248;
  --n-steel: #0e1113;
  --n-steel-soft: #262c32;
  --n-brass: #e0be72;
  --n-link: #d9d4cb;
  --n-link-inner: #8a8680;
  --n-ticket: #2a2418;
  --n-stage-copy: #f3eadc;
  --n-board: #161a1e;
  --n-sheen: #ffffff14;
  --n-shadow: #0008;
}

.bcl-workshop {
  overflow: hidden;
  border: 1px solid var(--n-line);
  border-radius: 1.4rem;
  background: var(--n-paper);
  box-shadow: 0 1.4rem 3.5rem var(--n-shadow);
}

.bcl-rail,
.bcl-controls,
.bcl-choice,
.bcl-slider,
.bcl-presets,
.bcl-drivetrain {
  display: grid;
  gap: 0.55rem;
}

.bcl-rail {
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid var(--n-line);
  background: var(--n-panel);
}

.bcl-units {
  grid-template-columns: auto auto;
  max-width: 16rem;
}

.bcl-presets,
.bcl-drivetrain {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.bcl-drivetrain {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.bcl-choice > span,
.bcl-slider span {
  grid-column: 1 / -1;
  color: var(--n-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bcl-choice button {
  min-height: 2.55rem;
  padding: 0.4rem 0.45rem;
  border: 1px solid var(--n-line);
  border-radius: 0.65rem;
  color: var(--n-ink);
  background: var(--n-paper);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 750;
  cursor: pointer;
}

.bcl-choice button[aria-pressed="true"] {
  border-color: var(--n-ink);
  color: var(--n-panel);
  background: var(--n-ink);
}

.bcl-body {
  display: grid;
  grid-template-columns: 1fr;
}

.bcl-controls {
  padding: clamp(1.1rem, 3vw, 1.8rem);
  background: var(--n-panel);
  border-top: 1px solid var(--n-line);
}

.bcl-slider {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.bcl-slider strong {
  font-size: 0.95rem;
}

.bcl-slider input {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--n-brass);
}

.bcl-shell:not([data-drivetrain="fullSuspension"]) .bcl-growth {
  display: none;
}

.bcl-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(15rem, 0.7fr);
  gap: 0.9rem;
  padding: clamp(1rem, 3vw, 1.6rem);
  background:
    linear-gradient(180deg, var(--n-steel-soft), var(--n-steel) 38%, var(--n-steel));
  color: var(--n-ink);
}

.bcl-lamp,
.bcl-notice {
  grid-column: 1 / -1;
}

.bcl-board {
  grid-column: 1;
  grid-row: 2 / 4;
}

.bcl-ticket {
  grid-column: 2;
  grid-row: 2;
}

.bcl-verify {
  grid-column: 2;
  grid-row: 3;
}

.bcl-lamp {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.bcl-lamp i {
  flex: 0 0 auto;
  width: 0.78rem;
  height: 0.78rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--n-lamp);
  box-shadow: 0 0 0.9rem var(--n-lamp);
}

.bcl-shell[data-status="wide"] {
  --n-lamp: #d35b2a;
}

.bcl-shell[data-status="rigid"] {
  --n-lamp: #c4a35a;
}

.bcl-shell[data-status="verify"] {
  --n-lamp: #d35b2a;
}

.bcl-lamp p {
  margin: 0;
  color: var(--n-stage-copy);
  font-size: clamp(1.05rem, 2.3vw, 1.35rem);
  line-height: 1.3;
}

.bcl-board {
  position: relative;
  min-height: 16rem;
  padding: 0.4rem 0.4rem 0;
  border: 1px solid var(--n-brass-deep);
  background:
    radial-gradient(circle at 20% 20%, var(--n-sheen), transparent 18rem),
    var(--n-board);
}

.bcl-map {
  display: block;
  width: 100%;
  height: auto;
}

.bcl-stay-beam {
  stroke: var(--n-brass);
  stroke-width: 10;
  stroke-linecap: round;
}

.bcl-chain {
  fill: none;
  stroke: var(--n-link);
  stroke-width: 11;
  stroke-linejoin: round;
  animation: bcl-crawl 18s linear infinite;
}

.bcl-ring,
.bcl-cog {
  fill: var(--n-link-inner);
  stroke: var(--n-link);
  stroke-width: 2;
}

.bcl-axle {
  fill: var(--n-brass);
}

.bcl-captions {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 0.4rem;
  padding: 0.55rem 0.7rem;
  color: var(--n-brass-deep);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.theme-dark .bcl-captions {
  color: var(--n-brass);
}

.bcl-captions span {
  display: grid;
  justify-items: center;
  gap: 0.12rem;
  text-align: center;
}

.bcl-captions strong {
  color: var(--n-stage-copy);
}

.bcl-ticket {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1rem 0.8rem;
  border: 1px dashed var(--n-brass-deep);
  background: var(--n-ticket);
  color: var(--n-ink);
  box-shadow: 0 0.6rem 0 var(--n-brass-deep);
}

.bcl-stamp span,
.bcl-ticket-grid span,
.bcl-verify span {
  color: var(--n-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bcl-stamp strong {
  display: block;
  color: var(--n-ink);
  font-size: clamp(3rem, 8vw, 5.2rem);
  line-height: 0.9;
}

.bcl-ticket-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.bcl-ticket-grid strong {
  display: block;
  font-size: 1.05rem;
}

.bcl-link-strip {
  height: 0.7rem;
  background: repeating-linear-gradient(
    90deg,
    var(--n-link) 0 0.55rem,
    var(--n-link-inner) 0.55rem 0.72rem,
    var(--n-brass) 0.72rem 0.8rem
  );
}

.bcl-verify {
  display: grid;
  gap: 0.4rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--n-line);
  border-left: 0.35rem solid var(--n-brass);
  background: var(--n-panel);
}

.bcl-verify p,
.bcl-notice {
  margin: 0;
  color: var(--n-stage-copy);
  font-size: 0.84rem;
  line-height: 1.45;
}

.bcl-notice {
  color: var(--n-brass);
  font-size: 0.74rem;
}

@keyframes bcl-crawl {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -220;
  }
}

@container (max-width: 54rem) {
  .bcl-stage,
  .bcl-ticket-grid,
  .bcl-board,
  .bcl-ticket,
  .bcl-verify {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .bcl-stage,
  .bcl-ticket-grid {
    grid-template-columns: 1fr;
  }

  .bcl-presets,
  .bcl-drivetrain {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 800px) {
  .bcl-stage,
  .bcl-ticket-grid,
  .bcl-board,
  .bcl-ticket,
  .bcl-verify {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .bcl-stage,
  .bcl-ticket-grid {
    grid-template-columns: 1fr;
  }

  .bcl-presets,
  .bcl-drivetrain {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bcl-chain {
    animation: none;
  }
}