toggle-switch.scss

// Catalyst in dotcom applies a display: block to all web component elements. This
// rule overrides it so the status label and toggle switch are laid out correctly.
.ToggleSwitch.ToggleSwitch {
  display: inline-flex;
}

.ToggleSwitch {
  align-items: center;
  display: inline-flex;
  gap: $spacer-2;

  &:hover {
    .ToggleSwitch-knob {
      background-color: var(--color-btn-hover-bg);
    }
  }

  &:active {
    .ToggleSwitch-knob {
      background-color: var(--color-btn-active-bg);
    }
  }
}

.ToggleSwitch--checked {
  .ToggleSwitch-statusOn {
    height: auto;
    visibility: visible;
  }

  .ToggleSwitch-statusOff {
    height: 0;
    visibility: hidden;
  }
}

.ToggleSwitch-track {
  position: relative;
  display: block;
  width: $spacer-8;
  height: $spacer-5;
  padding: 0;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  background-color: var(--color-switch-track-bg);
  border: $border-width $border-style var(--color-switch-track-border);
  border-radius: $border-radius;
  transition-timing-function: cubic-bezier(0.5, 1, 0.89, 1);
  transition-duration: 80ms;
  transition-property: background-color, border-color;
  appearance: none;

  &:focus,
  &:focus-visible {
    outline-offset: 0;
  }

  @media (pointer: coarse) {
    &::before {
      @include minTouchTarget(calc($spacer-6 + $spacer-1));
    }
  }

  @media (prefers-reduced-motion) {
    transition: none;

    * {
      transition: none;
    }
  }
}

.ToggleSwitch-track[aria-checked='true'][aria-disabled='true'] {
  background-color: var(--color-canvas-subtle);
  border-color: var(--color-border-subtle);

  &:hover,
  &:active {
    background-color: var(--color-canvas-subtle);

    // This is the most straightforward way of setting the knob's styles when the
    // switch is both checked and disabled.

    // stylelint-disable-next-line selector-max-specificity
    .ToggleSwitch-knob {
      background-color: var(--color-switch-knob-checked-disabled-bg);
    }
  }

  .ToggleSwitch-knob {
    background-color: var(--color-switch-knob-checked-disabled-bg);
  }
}

.ToggleSwitch-track[aria-checked='true'] {
  background-color: var(--color-switch-track-checked-bg);
  border-color: var(--color-switch-track-checked-border);

  &:hover {
    background-color: var(--color-switch-track-checked-hover-bg);
  }

  &:active {
    background-color: var(--color-switch-track-checked-active-bg);
  }

  .ToggleSwitch-knob {
    background-color: var(--color-switch-knob-checked-bg);
    border: 0;
    transform: translateX(calc(100% + 1px));
  }

  .ToggleSwitch-lineIcon {
    transform: translateX(0%);
  }

  .ToggleSwitch-circleIcon {
    transform: translateX(100%);
  }
}

.ToggleSwitch-track[aria-disabled='true'] {
  cursor: not-allowed;
  background-color: var(--color-canvas-subtle);
  border-color: var(--color-border-subtle);
  transition-property: none;

  &:hover,
  &:active {
    .ToggleSwitch-knob {
      background-color: var(--color-btn-bg);
    }
  }

  .ToggleSwitch-knob {
    border-color: var(--color-border-default);
    box-shadow: none;

    &:hover,
    &:active {
      background-color: var(--color-btn-bg);
    }
  }

  .ToggleSwitch-lineIcon {
    color: var(--color-fg-subtle);
  }

  .ToggleSwitch-circleIcon {
    color: var(--color-fg-subtle);
  }
}

.ToggleSwitch-icons {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ToggleSwitch-lineIcon {
  line-height: 0;
  color: var(--color-accent-fg);
  transition-duration: 80ms;
  transition-property: transform;
  transform: translateX(-100%);
  flex: 1 0 50%;
}

.ToggleSwitch-circleIcon {
  line-height: 0;
  color: var(--color-fg-default);
  transition-duration: 80ms;
  transition-property: transform;
  transform: translateX(0);
  flex: 1 0 50%;
}

.ToggleSwitch-knob {
  position: absolute;
  top: -1px;
  bottom: -1px;
  z-index: 1;
  width: 50%;
  background-color: var(--color-btn-bg);
  border: $border-width $border-style var(--color-switch-track-border);
  border-radius: $border-radius;
  box-shadow: var(--color-shadow-medium), var(--color-btn-inset-shadow);
  transition-timing-function: cubic-bezier(0.5, 1, 0.89, 1);
  transition-duration: 80ms;
  transition-property: transform;
  transform: translateX(-1px);

  @media (prefers-reduced-motion) {
    transition: none;
  }
}

.ToggleSwitch-status {
  position: relative;
  font-size: $body-font-size;
  line-height: $body-line-height;
  color: var(--color-fg-default);
  text-align: right;
}

.ToggleSwitch--small {
  .ToggleSwitch-status {
    font-size: $font-size-small;
  }

  .ToggleSwitch-track {
    width: $spacer-7;
    height: $spacer-4;
  }
}

.ToggleSwitch--disabled {
  .ToggleSwitch-status {
    color: var(--color-fg-muted);
  }
}

.ToggleSwitch-statusOn {
  height: 0;
  visibility: hidden;
}

.ToggleSwitch-statusOff {
  height: auto;
  visibility: visible;
}

.ToggleSwitch--statusAtEnd {
  flex-direction: row-reverse;

  .ToggleSwitch-status {
    text-align: left;
  }
}