vant-weapp/packages/stepper/index.less

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

.van-stepper {
  font-size: 0;

  &__minus,
  &__plus {
    position: relative;
    display: inline-block;
    box-sizing: border-box;
    margin: 1px;
    vertical-align: middle;
    border: 0;
    background-color: var(
      --stepper-background-color,
      @stepper-background-color
    );
    color: var(--stepper-button-icon-color, @stepper-button-icon-color);
    width: var(--stepper-input-height, @stepper-input-height);
    height: var(--stepper-input-height, @stepper-input-height);
    padding: var(--padding-base, @padding-base);

    &::before {
      width: 9px;
      height: 1px;
    }

    &::after {
      width: 1px;
      height: 9px;
    }

    &:empty&::before,
    &:empty&::after {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      margin: auto;
      background-color: currentColor;
      content: '';
    }

    &--hover {
      background-color: var(--stepper-active-color, @stepper-active-color);
    }

    &--disabled {
      color: var(
        --stepper-button-disabled-icon-color,
        @stepper-button-disabled-icon-color
      );
      background-color: var(
        --stepper-button-disabled-color,
        @stepper-button-disabled-color
      );
    }

    &--disabled&--hover {
      background-color: var(
        --stepper-button-disabled-color,
        @stepper-button-disabled-color
      );
    }
  }

  &__minus {
    border-radius: var(
        --stepper-border-radius,
        var(--stepper-border-radius, @stepper-border-radius)
      )
      0 0
      var(
        --stepper-border-radius,
        var(--stepper-border-radius, @stepper-border-radius)
      );

    &::after {
      display: none;
    }
  }

  &__plus {
    border-radius: 0
      var(
        --stepper-border-radius,
        var(--stepper-border-radius, @stepper-border-radius)
      )
      var(
        --stepper-border-radius,
        var(--stepper-border-radius, @stepper-border-radius)
      )
      0;
  }

  &--round {
    .van-stepper__input {
      background-color: transparent !important;
    }

    .van-stepper__plus,
    .van-stepper__minus {
      border-radius: 100%;

      &:active {
        opacity: @active-opacity;
      }

      &--disabled {
        &,
        &:active {
          opacity: 0.3;
        }
      }
    }

    .van-stepper__plus {
      color: @white;
      background-color: @stepper-button-round-theme-color;
    }

    .van-stepper__minus {
      color: @stepper-button-round-theme-color;
      background-color: @white;
      border: 1px solid @stepper-button-round-theme-color;
    }
  }

  &__input {
    display: inline-block;
    box-sizing: border-box;
    // 覆盖 common style 中 input 的 min-height: 1.4rem;
    // 避免 button-size 对 input 设置的 height 不生效
    min-height: 0;
    margin: 1px;
    padding: 1px;
    text-align: center;
    vertical-align: middle;
    border: 0;
    border-width: 1px 0;
    border-radius: 0;
    -webkit-appearance: none;
    font-size: var(--stepper-input-font-size, @stepper-input-font-size);
    color: var(--stepper-input-text-color, @stepper-input-text-color);
    background-color: var(
      --stepper-background-color,
      @stepper-background-color
    );
    width: var(--stepper-input-width, @stepper-input-width);
    height: var(--stepper-input-height, @stepper-input-height);

    &--disabled {
      color: var(
        --stepper-input-disabled-text-color,
        @stepper-input-disabled-text-color
      );
      background-color: var(
        --stepper-input-disabled-background-color,
        @stepper-input-disabled-background-color
      );
    }
  }
}