.root {
  /* Sizes — overridden by [data-size='sm']. The thumb starts at left padding
     and translates by (track_w − thumb − 2 × padding) when checked. */
  --switch-track-w: 32px;
  --switch-track-h: 20px;
  --switch-thumb-size: 16px;
  --switch-padding: 2px;

  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  box-sizing: border-box;
  width: var(--switch-track-w);
  height: var(--switch-track-h);
  padding: 0 var(--switch-padding);
  border: 0;
  border-radius: var(--ta-border-radius-full);
  background-color: var(--ta-color-background-tertiary);
  cursor: pointer;
  transition: background-color 150ms ease;
  outline: none;
}

.root[data-size='sm'] {
  --switch-track-w: 24px;
  --switch-track-h: 16px;
  --switch-thumb-size: 12px;
}

.root[data-state='checked'] {
  background-color: var(--ta-color-primary);
}

.root[data-disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.root:focus-visible {
  outline: 2px solid var(--ta-color-primary);
  outline-offset: 2px;
}

.thumb {
  display: block;
  width: var(--switch-thumb-size);
  height: var(--switch-thumb-size);
  border-radius: var(--ta-border-radius-full);
  background-color: var(--ta-color-white);
  transform: translateX(0);
  transition: transform 150ms ease;
  will-change: transform;
}

.thumb[data-state='checked'] {
  transform: translateX(calc(var(--switch-track-w) - var(--switch-thumb-size) - var(--switch-padding) * 2));
}