vant-weapp/packages/checkbox/index.less

@import '../common/style/var.less';
@import '../common/style/theme.less';

.van-checkbox {
  display: flex;
  align-items: center;
  overflow: hidden;
  user-select: none;

  &--horizontal {
    margin-right: @padding-sm;
  }

  &__icon-wrap,
  &__label {
    .theme(line-height, '@checkbox-size');
  }

  &__icon-wrap {
    flex: none;
  }

  &__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 1em;
    height: 1em;
    color: transparent;
    text-align: center;
    transition-property: color, border-color, background-color;

    .theme(font-size, '@checkbox-size');
    .theme(border, '1px solid @checkbox-border-color');
    .theme(transition-duration, '@checkbox-transition-duration');

    &--round {
      border-radius: 100%;
    }

    &--checked {
      .theme(color, '@white');
      .theme(background-color, '@checkbox-checked-icon-color');
      .theme(border-color, '@checkbox-checked-icon-color');
    }

    &--disabled {
      .theme(background-color, '@checkbox-disabled-background-color');
      .theme(border-color, '@checkbox-disabled-icon-color');
    }

    &--disabled&--checked {
      .theme(color, '@checkbox-disabled-icon-color');
    }
  }

  &__label {
    word-wrap: break-word;

    .theme(margin-left, '@checkbox-label-margin');
    .theme(color, '@checkbox-label-color');

    &--left {
      float: left;
      .theme(margin, '0 @checkbox-label-margin 0 0');
    }

    &--disabled {
      .theme(color, '@checkbox-disabled-label-color');
    }

    &:empty {
      margin: 0;
    }
  }
}