/* The button is a 44 px hit box around the 40×24 track; negative margins keep
   the 40×24 layout footprint. */
.toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  margin: -10px -2px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  cursor: pointer;
}

.toggle:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.track {
  position: relative;
  width: 40px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--color-neutral-300);
  transition: background-color 150ms var(--ease-out-soft);
}

.knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform 180ms var(--ease-spring);
}

.toggle[aria-checked='true'] .track {
  background: var(--color-accent-2-600);
}

.toggle[aria-checked='true'] .knob {
  transform: translateX(16px);
}

@media (prefers-reduced-motion: reduce) {
  .track,
  .knob {
    transition: none;
  }
}