.gear-page .site-header {
  margin-bottom: 12px;
}

.gear-page .container {
  padding-bottom: 16px;
}

.gear-lab {
  padding-top: 0;
}

.gear-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.gear-header .prose-title {
  margin: 0;
  font-size: 26px;
  line-height: 1.3;
}

.gear-header .prose-title::after {
  display: none;
}

.gear-setup-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.gear-chainring-setting {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  white-space: nowrap;
}

.gear-reset {
  padding: 8px 0;
  border: 0;
  color: var(--leather);
  background: none;
  font: inherit;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.gear-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.gear-tooth-control {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
}

.gear-edit-teeth {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 2px 0;
  border: 0;
  border-bottom: 1px dashed var(--silver);
  color: var(--leather);
  background: none;
  font-family: var(--font-serif);
  font-size: 25px;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
  cursor: text;
}

.gear-edit-teeth:hover {
  border-bottom-color: var(--leather);
}

.gear-edit-mark {
  font-family: var(--font-sans);
  font-size: 14px;
  opacity: 0.65;
}

.gear-inline-editor {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--leather);
}

.gear-inline-editor input {
  box-sizing: border-box;
  width: 60px;
  min-width: 0;
  height: 34px;
  padding: 3px 5px;
  border: 1px solid var(--leather);
  border-radius: 4px;
  color: var(--ink);
  background: var(--paper-soft);
  font-family: var(--font-serif);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  appearance: textfield;
  -moz-appearance: textfield;
}

.gear-inline-editor input::-webkit-inner-spin-button,
.gear-inline-editor input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.gear-inline-editor input[aria-invalid="true"] {
  outline: 2px solid var(--leather);
  outline-offset: 2px;
}

.gear-inline-unit {
  font-size: 14px;
}

.gear-cancel, .gear-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 32px;
  padding: 0;
  border: 0;
  color: var(--ink-soft);
  background: none;
  font: inherit;
  font-size: 20px;
  cursor: pointer;
}

.gear-cancel:hover, .gear-remove:hover {
  color: var(--leather);
}

.gear-setup-bar[hidden], .gear-edit-teeth[hidden], .gear-add[hidden] {
  display: none;
}

.gear-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 212px;
  align-items: center;
  gap: 20px;
  padding: 12px 16px;
  background: var(--paper-soft);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
}

.gear-illustration {
  min-width: 0;
}

.gear-diagram {
  display: block;
  width: 100%;
  height: 176px;
  overflow: visible;
}

.gear-ground { fill: none; stroke: var(--silver); stroke-width: 1; }
.gear-tire { fill: none; stroke: var(--ink); stroke-width: 10; }
.gear-rim { fill: none; stroke: var(--leather); stroke-width: 2; opacity: 0.6; }
.gear-spokes { fill: none; stroke: var(--silver); stroke-width: 1.5; }
.gear-wheel-marker { fill: var(--leather); stroke: var(--paper-soft); stroke-width: 2; }
.gear-chain-base { fill: none; stroke: var(--silver); stroke-width: 6; }
.gear-chain { fill: none; stroke: var(--ink); stroke-width: 3; stroke-dasharray: 2 7.54; }
.gear-sprocket-fallback, .gear-sprocket-outline { fill: var(--silver-bg); stroke: var(--ink-soft); stroke-width: 1.5; }
.gear-sprocket-spokes { fill: none; stroke: var(--ink-soft); stroke-width: 3; }
.gear-chainring-fallback, .gear-chainring-outline { fill: var(--silver-bg); stroke: var(--ink-soft); stroke-width: 1.5; }
.gear-chainring-cutout { fill: var(--paper-soft); stroke: var(--silver); stroke-width: 1.5; }
.gear-crank { fill: none; stroke: var(--ink-soft); stroke-width: 10; stroke-linecap: round; }
.gear-pedal { fill: var(--leather); stroke: var(--paper-soft); stroke-width: 2; }
.gear-axle { fill: var(--ink); stroke: var(--paper-soft); stroke-width: 2; }

.gear-diagram-labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  color: var(--ink-soft);
  text-align: center;
  font-size: 14px;
}

.gear-diagram-labels > div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.gear-diagram-labels .gear-tooth-control {
  display: inline-flex;
  color: var(--ink);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.gear-speed-label {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.gear-speed {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 8px;
  color: var(--leather);
  font-family: var(--font-serif);
  font-size: clamp(42px, 5vw, 54px);
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.gear-speed-unit {
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 14px;
}

.gear-metrics {
  display: grid;
  gap: 6px;
  margin: 0;
  font-size: 14px;
}

.gear-metrics > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 2px 8px;
}

.gear-metrics dt {
  color: var(--ink-soft);
}

.gear-metrics dd {
  margin: 0;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.gear-metric-unit {
  color: var(--ink-soft);
  font-size: 14px;
}

.gear-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin-top: 8px;
  font-size: 14px;
}

.gear-motion-toggle {
  flex: none;
  padding: 4px 0;
  color: var(--leather);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--silver);
  font: inherit;
  cursor: pointer;
}

.gear-cadence {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 36px;
  margin-bottom: 8px;
}

.gear-controls {
  margin-bottom: 8px;
}

.gear-cadence label {
  font-size: 14px;
  font-weight: 500;
}

.gear-cadence output {
  min-width: 65px;
  text-align: right;
  font-size: 20px;
  color: var(--leather);
  font-variant-numeric: tabular-nums;
}

.gear-cadence output span {
  font-size: 14px;
  color: var(--ink-soft);
}

.gear-range {
  display: block;
  width: 100%;
  height: 32px;
  margin: 0;
  accent-color: var(--leather);
  cursor: pointer;
}

.gear-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  align-items: stretch;
  gap: 10px;
}

.gear-choices {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(132px, 1fr);
  gap: 10px;
  overflow-x: auto;
  padding: 3px 2px 8px;
  scroll-padding-inline: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--silver) transparent;
}

.gear-card {
  position: relative;
  min-height: 116px;
  border: 1px solid var(--silver);
  border-radius: var(--radius-sm);
  transition: border-color 150ms ease, background 150ms ease;
}

.gear-card[data-selected="true"] {
  border-color: var(--leather);
  background: var(--leather-tint);
  box-shadow: inset 0 0 0 1px var(--leather);
}

.gear-card:hover, .gear-card:focus-within {
  border-color: var(--leather);
}

.gear-choice {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  min-height: 116px;
  padding: 10px 12px;
  border: 0;
  border-radius: inherit;
  color: var(--ink);
  background: transparent;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.gear-choice-heading {
  padding-right: 22px;
  color: var(--ink-soft);
  font-size: 14px;
}

.gear-card > .gear-tooth-control {
  position: absolute;
  top: 36px;
  left: 12px;
  right: 6px;
  pointer-events: none;
}

.gear-card > .gear-tooth-control button,
.gear-card > .gear-tooth-control .gear-inline-editor {
  pointer-events: auto;
}

.gear-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  opacity: 0.6;
}

.gear-remove:disabled {
  opacity: 0.2;
  cursor: default;
}

.gear-choice-speed {
  display: block;
  margin-top: 0;
  line-height: 1.4;
  font-size: 14px;
  color: var(--ink-soft);
}

.gear-choice-speed [data-gear-speed], .gear-choice-speed [data-draft-speed] {
  font-family: var(--font-serif);
  font-size: 23px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.gear-choice[aria-pressed="true"] [data-gear-speed] {
  color: var(--leather);
}

.gear-add {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 3px 0 8px;
  padding: 4px;
  border: 1px dashed var(--silver);
  border-radius: var(--radius-sm);
  color: var(--leather);
  background: transparent;
  font: inherit;
  font-size: 30px;
  cursor: pointer;
}

.gear-add-label {
  font-size: 14px;
}

.gear-add:hover:not(:disabled) {
  border-color: var(--leather);
  background: var(--leather-tint);
}

.gear-add:disabled {
  opacity: 0.35;
  cursor: default;
}

.gear-draft {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px 12px;
  border-style: dashed;
  border-color: var(--leather);
}

.gear-draft > .gear-choice-heading {
  padding: 0;
}

.gear-diagram-edit {
  cursor: pointer;
}

.gear-diagram-edit:hover .gear-chainring-outline,
.gear-diagram-edit:hover .gear-sprocket-outline {
  stroke: var(--leather);
  stroke-width: 2.5;
}

.gear-diagram-labels .gear-edit-teeth {
  font-size: 17px;
}

.gear-wheel-settings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  max-width: 100%;
}

.gear-wheel-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  white-space: nowrap;
}

.gear-wheel-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.gear-wheel-label input,
.gear-wheel-label select {
  height: 36px;
  padding: 4px 6px;
  border: 1px solid var(--silver);
  border-radius: var(--radius-sm);
  background: var(--paper-soft);
  color: var(--ink);
  font: inherit;
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.gear-wheel-label input {
  width: 80px;
}

.gear-wheel-label select {
  max-width: 100%;
  font-size: 16px;
  cursor: pointer;
}

.gear-wheel-label input:focus-visible,
.gear-wheel-label select:focus-visible {
  outline: 2px solid var(--leather);
  outline-offset: 2px;
}

.gear-wheel-hint {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.gear-wheel-hint:empty {
  display: none;
}

.gear-wheel-label input[aria-invalid="true"] {
  border-color: var(--leather);
}

.gear-input-error {
  margin: 4px 0;
  font-size: 14px;
  color: var(--leather);
}

@media (max-width: 680px) {
  .gear-page .site-header {
    margin-bottom: 8px;
  }

  .gear-page .header-inner {
    padding: 8px 16px;
    row-gap: 2px;
  }

  .gear-page .site-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .gear-page .site-nav a {
    flex: none;
  }

  .gear-page .container {
    padding: 0 16px 12px;
  }

  .gear-header .prose-title {
    font-size: 22px;
  }

  .gear-setup-bar {
    gap: 14px;
  }

  .gear-setup-bar .gear-edit-teeth {
    font-size: 22px;
  }

  .gear-cadence {
    gap: 10px;
    margin-bottom: 4px;
  }

  .gear-diagram {
    height: clamp(96px, 18svh, 140px);
  }

  .gear-stage {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 8px 10px;
  }

  .gear-diagram-labels {
    gap: 6px;
    font-size: 14px;
  }

  .gear-readout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2px 12px;
    padding-top: 4px;
    border-top: 1px solid var(--silver);
  }

  .gear-speed-label {
    grid-column: 1;
    grid-row: 1;
    font-size: 14px;
  }

  .gear-speed {
    grid-column: 2;
    grid-row: 1;
    gap: 6px;
    margin: 0;
    font-size: 36px;
  }

  .gear-metrics {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    font-size: 14px;
    line-height: 1.4;
  }

  .gear-metrics > div {
    display: block;
  }

  .gear-metrics dd {
    font-size: 16px;
  }

  .gear-metric-unit {
    font-size: 14px;
  }

  .gear-wheel-label input {
    width: 74px;
  }
}

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