.bclf-shell {
  --n-ink: #18252a;
  --n-muted: #5d6d70;
  --n-paper: #f6f2e9;
  --n-panel: #fffdf7;
  --n-line: #d5d0c3;
  --n-teal: #176e73;
  --n-teal-soft: #d8ece8;
  --n-coral: #c65d45;
  --n-coral-soft: #f2ddd4;
  --n-yellow: #dcae3b;
  --n-olive: #66805e;
  --n-danger: #9b3d37;
  --n-shadow: #18252a24;
  --n-wheel: #e8e2d5;
  --n-wheel-dark: #c9c1b1;
  --n-white: #fff;

  container-type: inline-size;
  color: var(--n-ink);
  min-width: 0;
}

.tool-page,
.section-tool,
.page-wrapper.with-sidebar > main {
  min-width: 0;
}

.theme-light .bclf-shell {
  --n-ink: #18252a;
  --n-muted: #5d6d70;
  --n-paper: #f6f2e9;
  --n-panel: #fffdf7;
  --n-line: #d5d0c3;
  --n-teal: #176e73;
  --n-teal-soft: #d8ece8;
  --n-coral: #c65d45;
  --n-coral-soft: #f2ddd4;
  --n-yellow: #dcae3b;
  --n-olive: #66805e;
  --n-danger: #9b3d37;
  --n-shadow: #18252a24;
  --n-wheel: #e8e2d5;
  --n-wheel-dark: #c9c1b1;
  --n-white: #fff;
}

.theme-dark .bclf-shell {
  --n-ink: #f0ece2;
  --n-muted: #b6b8ad;
  --n-paper: #171d1e;
  --n-panel: #222a2a;
  --n-line: #465354;
  --n-teal: #72c5bf;
  --n-teal-soft: #234845;
  --n-coral: #f08b70;
  --n-coral-soft: #4a2e2b;
  --n-yellow: #efc965;
  --n-olive: #a5c18e;
  --n-danger: #ff9a8e;
  --n-shadow: #0008;
  --n-wheel: #303938;
  --n-wheel-dark: #596362;
  --n-white: #fff;
}

.bclf-panel {
  display: grid;
  grid-template-columns: minmax(17rem, 0.9fr) minmax(19rem, 1.1fr);
  overflow: hidden;
  border: 1px solid var(--n-line);
  border-radius: 1.25rem;
  background: var(--n-paper);
  box-shadow: 0 1.25rem 2.5rem var(--n-shadow);
}

.bclf-controls,
.bclf-result {
  min-width: 0;
  padding: clamp(1rem, 3vw, 2rem);
}

.bclf-controls {
  display: grid;
  align-content: start;
  gap: 1.3rem;
  border-right: 1px solid var(--n-line);
  background: var(--n-panel);
}

.bclf-unit-switch,
.bclf-presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.bclf-unit-switch span,
.bclf-presets > span,
.bclf-disciplines legend,
.bclf-measurements legend {
  grid-column: 1 / -1;
  padding: 0;
  color: var(--n-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bclf-unit-switch button,
.bclf-prescets button,
.bclf-presets button,
.bclf-disciplines button {
  min-height: 2.35rem;
  border: 1px solid var(--n-line);
  border-radius: 0.55rem;
  color: var(--n-ink);
  background: var(--n-paper);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.bclf-unit-switch button[aria-pressed="true"],
.bclf-disciplines button[aria-pressed="true"] {
  border-color: var(--n-teal);
  color: var(--n-white);
  background: var(--n-teal);
}

.bclf-measurements,
.bclf-disciplines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.bclf-field {
  display: grid;
  gap: 0.42rem;
}

.bclf-field > span {
  color: var(--n-ink);
  font-size: 0.82rem;
  font-weight: 800;
}

.bclf-field input {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--n-line);
  border-radius: 0.6rem;
  color: var(--n-ink);
  background: var(--n-paper);
  font: inherit;
  font-size: 1.15rem;
  font-weight: 800;
}

.bclf-field input:focus,
.bclf-unit-switch button:focus-visible,
.bclf-presets button:focus-visible,
.bclf-disciplines button:focus-visible {
  outline: 3px solid var(--n-yellow);
  outline-offset: 2px;
}

.bclf-field small {
  min-height: 2.1em;
  color: var(--n-muted);
  font-size: 0.72rem;
  line-height: 1.35;
}

.bclf-disciplines button {
  padding: 0.35rem 0.3rem;
}

.bclf-presets {
  grid-template-columns: repeat(3, 1fr);
}

.bclf-presets button {
  padding: 0.55rem 0.4rem;
  color: var(--n-teal);
  background: var(--n-teal-soft);
  border-color: transparent;
}

.bclf-measurement-note {
  margin: 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--n-line);
  color: var(--n-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.bclf-result {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(13rem, 1.2fr);
  gap: 1.2rem;
  align-items: center;
  background: var(--n-paper);
}

.bclf-result-copy {
  align-self: start;
  padding-top: 0.35rem;
}

.bclf-result-kicker {
  color: var(--n-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.bclf-recommendation {
  margin-top: 0.45rem;
  color: var(--n-teal);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.bclf-badge {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  color: var(--n-coral);
  background: var(--n-coral-soft);
  font-size: 0.72rem;
  font-weight: 800;
}

.bclf-result-note {
  max-width: 18rem;
  margin: 0.9rem 0 0;
  color: var(--n-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.bclf-wheel {
  position: relative;
  min-width: 0;
  padding: 0.25rem;
}

.bclf-wheel svg {
  display: block;
  width: 100%;
  height: auto;
}

.bclf-orbit {
  fill: none;
  stroke: var(--n-wheel);
  stroke-width: 26;
}

.bclf-orbit-mark {
  fill: none;
  stroke: var(--n-yellow);
  stroke-width: 5;
  stroke-linecap: round;
}

.bclf-crank-shadow {
  fill: none;
  stroke: var(--n-wheel-dark);
  stroke-width: 17;
  stroke-linecap: round;
}

.bclf-crank {
  stroke: var(--n-coral);
  stroke-width: 10;
  stroke-linecap: round;
  transition: x2 0.25s ease;
}

.bclf-hub,
.bclf-pedal {
  fill: var(--n-teal);
  stroke: var(--n-paper);
  stroke-width: 5;
}

.bclf-measure-line,
.bclf-measure-cap {
  fill: none;
  stroke: var(--n-muted);
  stroke-width: 2;
}

.bclf-wheel-label {
  position: absolute;
  bottom: 0;
  color: var(--n-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bclf-wheel-left {
  left: 0.5rem;
}

.bclf-wheel-right {
  right: 0.5rem;
}

.bclf-metrics {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--n-line);
}

.bclf-metrics div {
  min-width: 0;
}

.bclf-metrics dt {
  color: var(--n-muted);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bclf-metrics dd {
  margin: 0.32rem 0 0;
  overflow-wrap: anywhere;
  color: var(--n-ink);
  font-size: 0.88rem;
  font-weight: 800;
}

@container (max-width: 700px) {
  .bclf-panel {
    grid-template-columns: 1fr;
  }

  .bclf-controls {
    border-right: 0;
    border-bottom: 1px solid var(--n-line);
  }

  .bclf-result {
    grid-template-columns: 1fr 1fr;
  }
}

@container (max-width: 480px) {
  .bclf-controls,
  .bclf-result {
    padding: 1rem;
  }

  .bclf-measurements,
  .bclf-result {
    grid-template-columns: 1fr;
  }

  .bclf-wheel {
    order: -1;
  }

  .bclf-metrics {
    grid-template-columns: 1fr 1fr;
  }
}