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

@cascader-prefix-cls: ~'@{prefix}-cascader';
@cascader-prefix-cls-rtl: ~'@{cascader-prefix-cls}-rtl';

.select-view(@cascader-prefix-cls);
.select-view-rtl(@cascader-prefix-cls, @cascader-prefix-cls-rtl);

.@{cascader-prefix-cls} {
  &-popup {
    top: 4px;
    box-sizing: border-box;
    border: 1px solid @select-popup-color-border;
    border-radius: @select-popup-border-radius;
    background-color: var(~'@{arco-cssvars-prefix}-color-bg-popup');
    box-shadow: @select-popup-box-shadow;
    overflow: hidden;
  }

  &-popup-trigger-hover {
    .@{cascader-prefix-cls}-list-item {
      transition: font-weight 0s;
    }
  }

  &-popup &-popup-inner {
    width: 100%;
    white-space: nowrap;
    list-style: none;
    height: @select-popup-max-height;
  }

  &-highlight {
    font-weight: @font-weight-500;
  }

  &-list-column {
    position: relative;
    vertical-align: top;
    display: inline-block;
    background-color: var(~'@{arco-cssvars-prefix}-color-bg-popup');
    height: 100%;

    &-virtual {
      width: @cascader-size-item-width;
    }

    &:not(:last-of-type) {
      border-right: 1px solid @select-popup-color-border;
    }
  }

  &-list-wrapper {
    position: relative;
    white-space: nowrap;
    box-sizing: border-box;
    height: 100%;
    display: flex;
    padding: @select-popup-padding-vertical 0;
    flex-direction: column;

    &-with-footer {
      padding-bottom: 0;
    }
  }

  &-list-empty {
    height: 100%;
    display: flex;
    align-items: center;
  }

  &-list {
    padding: 0;
    margin: 0;
    list-style: none;
    box-sizing: border-box;
    overflow-y: auto;
    flex: 1;

    &-item,
    &-search-item {
      position: relative;
      height: @cascader-size-item-height;
      line-height: @cascader-size-item-height;
      min-width: 100px;
      font-size: @cascader-font-item-size;
      color: @cascader-color-item-text;
      box-sizing: border-box;
      display: flex;
      cursor: pointer;
      background-color: transparent;

      &-label {
        flex-grow: 1;
        padding-left: @cascader-padding-item-left;
        padding-right: @cascader-padding-item-right + @cascader-size-item-icon +
          @cascader-margin-item-icon-left;
      }

      .@{prefix}-icon-right,
      .@{prefix}-icon-check {
        position: absolute;
        color: @cascader-color-item-icon;
        top: 50%;
        font-size: @cascader-size-item-icon;
        transform: translateY(-50%);
        right: @cascader-padding-item-right;
      }

      .@{prefix}-icon-check {
        color: @color-primary-6;
      }

      .@{prefix}-icon-loading {
        position: absolute;
        margin-top: -(@cascader-size-item-icon / 2);
        top: 50%;
        font-size: @cascader-size-item-icon;
        right: @cascader-padding-item-right;
        color: @color-primary-6;
      }
    }

    &-item:hover,
    &-search-item-hover {
      color: @cascader-color-item-text_hover;
      background-color: @cascader-color-item-bg_hover;

      .@{prefix}-checkbox input {
        // 避免选中checkbox时，select-view 的焦点被抢占
        display: none;
      }

      .@{prefix}-checkbox:not(.@{prefix}-checkbox-disabled):not(.@{prefix}-checkbox-checked):hover
        .@{prefix}-checkbox-icon-hover::before {
        background-color: @cascader-color-checkbox-bg_hover;
      }
    }

    &-item,
    &-search-item {
      &-disabled,
      &-disabled:hover {
        cursor: not-allowed;
        background-color: @cascader-color-item-bg_disabled;
        color: @cascader-color-item-text_disabled;

        .@{prefix}-icon-right {
          color: inherit;
        }

        .@{prefix}-icon-check {
          color: var(~'@{arco-cssvars-prefix}-color-primary-light-3');
        }
      }
    }

    &-item {
      &-active {
        transition: all @transition-duration-2 @transition-timing-function-linear;
        background-color: @cascader-color-item-bg_active;
        color: @cascader-color-item-text_active;
        font-weight: @cascader-font-item-weight_active;

        &:hover {
          background-color: @cascader-color-item-bg_active;
          font-weight: @cascader-font-item-weight_active;
          color: @cascader-color-item-text_active;
        }
      }

      &-active&-disabled,
      &-active&-disabled:hover {
        background-color: @cascader-color-item-bg_disabled_active;
        font-weight: @cascader-font-item-weight_active;
        color: @cascader-color-item-text_disabled_active;
      }
    }

    &-multiple {
      .@{cascader-prefix-cls}-list-item-label {
        padding-left: 0;
      }

      .@{cascader-prefix-cls}-list-item,
      .@{cascader-prefix-cls}-list-search-item {
        padding-left: @cascader-padding-item-left;

        .@{prefix}-checkbox {
          padding-left: 0;
          margin-right: @cascader-margin-checkbox-right;
        }
      }
    }
  }

  &-list-search&-list-multiple {
    .@{cascader-prefix-cls}-list-item-label {
      padding-right: @cascader-padding-item-left;
    }
  }

  &-list-footer {
    height: @cascader-size-item-height;
    line-height: @cascader-size-item-height;
    padding-left: @cascader-padding-item-left;
    border-top: 1px solid @select-popup-color-border;
    box-sizing: border-box;
  }
}

.cascaderSlide-enter-active,
.cascaderSlide-appear-active {
  transition: margin @transition-duration-3 @transition-timing-function-standard;
}

@import './rtl.less';
