components/Checkbox/style/index.less
@import './token.less';
@import '../../style/mixin.less';

.icon-hover(@checkbox-prefix-cls, @checkbox-mask-height, @checkbox-mask-bg-height);

.@{checkbox-prefix-cls} {
  display: inline-block;
  cursor: pointer;
  box-sizing: border-box;
  font-size: @checkbox-text-font-size;
  padding-left: (@checkbox-mask-bg-height / 2) - (@checkbox-mask-height / 2);
  line-height: unset;
  position: relative;

  > input[type='checkbox'] {
    position: absolute;
    opacity: 0;
    top: 0;
    left: 0;
    width: 0;
    height: 0;

    &:focus-visible + .@{checkbox-prefix-cls}-icon-hover::before {
      background-color: @checkbox-mask-bg-color-bg;
      opacity: 1;
    }
  }

  &:hover {
    .@{checkbox-prefix-cls}-icon-hover::before {
      background-color: @checkbox-mask-bg-color-bg;
    }
  }

  &-text {
    color: @checkbox-color-text;
    margin-left: @checkbox-text-mask-spacing;
  }

  &-mask-wrapper {
    vertical-align: middle;
    top: -0.09em;
    position: relative;
    line-height: 1;
  }

  &-mask {
    position: relative;
    box-sizing: border-box;
    width: @checkbox-mask-height;
    height: @checkbox-mask-height;
    border: @checkbox-mask-border-width @checkbox-mask-border-style @checkbox-mask-color-border;
    border-radius: @checkbox-mask-border-radius;
    background-color: @checkbox-mask-color-bg;
    user-select: none;

    // 半选
    &::after {
      content: '';
      display: block;
      height: @checkbox-color-indeterminate-icon-height;
      width: @checkbox-color-indeterminate-icon-width;
      background: @checkbox-color-indeterminate-icon;
      top: 50%;
      left: 50%;
      transform: translateX(-50%) translateY(-50%) scale(0);
      position: absolute;
      border-radius: 0.5px;
    }

    &-icon {
      position: relative;
      height: 100%;
      transform: scale(0);
      color: @checkbox-color-check-icon;
      transform-origin: center 75%;
      margin: 0 auto;
      display: block;
      width: @checkbox-size-check-icon;
    }
  }

  &:hover &-mask {
    border-color: @checkbox-mask-color-border_hover;
    transition: border-color @transition-duration-1 @transition-timing-function-linear,
      transform @transition-duration-3 @transition-timing-function-overshoot;
  }

  &-checked:hover &-mask,
  &-indeterminate:hover &-mask {
    transition: transform @transition-duration-3 @transition-timing-function-overshoot;
  }

  &-checked &-mask {
    border-color: @checkbox-mask-color-border_checked;
    background-color: @checkbox-mask-color-bg_checked;

    &-icon {
      transform: scale(1);
      transition: transform @transition-duration-3 @transition-timing-function-overshoot;
    }
  }

  &-indeterminate &-mask {
    border-color: @checkbox-mask-color-border_checked;
    background-color: @checkbox-mask-color-bg_checked;

    &-icon {
      transform: scale(0);
    }

    &::after {
      transform: translateX(-50%) translateY(-50%) scale(1);
      transition: transform @transition-duration-3 @transition-timing-function-overshoot;
    }
  }

  &&-disabled {
    cursor: not-allowed;

    .@{checkbox-prefix-cls}-icon-hover {
      cursor: not-allowed;
    }

    &:hover .@{checkbox-prefix-cls}-mask {
      border-color: @checkbox-mask-color-border_disabled;
    }
  }

  &-checked:hover &-mask,
  &-indeterminate:hover &-mask {
    border-color: @checkbox-mask-color-border_checked;
  }

  &-disabled &-mask {
    border-color: @checkbox-mask-color-border_disabled;
    background-color: @checkbox-mask-color-bg_disabled;
  }

  &-disabled&-checked &-mask,
  &-disabled&-checked:hover &-mask,
  &-disabled&-indeterminate &-mask,
  &-disabled&-indeterminate:hover &-mask {
    border-color: @checkbox-mask-color-border_checked_disabled;
    background-color: @checkbox-mask-color-bg_checked_disabled;
  }

  &-disabled:hover,
  &-checked:hover,
  &-indeterminate:hover {
    .@{checkbox-prefix-cls}-mask-wrapper::before {
      background-color: @color-transparent;
    }
  }

  &-disabled &-text {
    color: @checkbox-color-text_disabled;
  }

  &-disabled &-mask-icon {
    color: @checkbox-color-check-icon_disabled;
  }
}

// checkbox group
.@{checkbox-prefix-cls}-group {
  display: inline-block;

  .@{checkbox-prefix-cls} {
    margin-right: @checkbox-group-spacing;
  }
}

// vertical direction

.@{checkbox-prefix-cls}-group-direction-vertical {
  .@{checkbox-prefix-cls} {
    display: block;
    margin-right: 0;
    line-height: @checkbox-group-size-line-height_vertical;
  }
}

.@{checkbox-prefix-cls}-rtl {
  direction: rtl;
  padding-left: 0;
  padding-right: (@checkbox-mask-bg-height / 2) - (@checkbox-mask-height / 2);

  .@{checkbox-prefix-cls}-text {
    margin-left: 0;
    margin-right: @checkbox-text-mask-spacing;
  }
}

.@{checkbox-prefix-cls}-group-rtl {
  .@{checkbox-prefix-cls} {
    margin-right: 0;
    margin-left: @checkbox-group-spacing;
  }
}
