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

@transfer-prefix-cls: ~'@{prefix}-transfer';

.@{transfer-prefix-cls} {
  display: flex;
  align-items: center;

  &-view {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: @transfer-width;
    height: @transfer-height;
    border: @transfer-border-width solid @transfer-border-color;
    border-radius: @transfer-border-radius;

    &-search {
      padding: @transfer-search-padding-top @transfer-search-padding-right
        @transfer-search-padding-bottom @transfer-search-padding-left;
    }

    &-list {
      flex: 1;
      overflow: hidden;
    }

    &-custom-list {
      flex: 1;
      overflow: auto;
    }

    &-header,
    &-item {
      display: flex;
      align-items: center;
      padding: 0 @transfer-item-padding-horizontal;
    }

    &-header > *:first-child,
    &-item &-item-content {
      flex: 1;
      .text-ellipsis();

      &:not(:last-child) {
        margin-right: 8px;
      }
    }

    &-header {
      height: @transfer-height-title;
      line-height: $height;
      font-size: @transfer-font-size-header;
      font-weight: @transfer-font-weight-header;
      background-color: @transfer-color-bg-header;
      color: @transfer-color-text-header;

      &-title {
        display: flex;
        align-items: center;

        .@{prefix}-checkbox {
          .text-ellipsis();

          font-size: inherit;

          &-text {
            color: inherit;
          }
        }
      }

      &-unit {
        margin-right: 2px;
        font-weight: normal;
        font-size: @transfer-font-size-header-unit;
        color: @transfer-color-text-header-unit;
      }
    }

    &-item {
      position: relative;
      height: @transfer-item-height;
      line-height: $height;
      list-style: none;
      color: @transfer-item-color_default;
      background-color: @transfer-item-color-bg_default;
      cursor: default;

      &-content {
        font-size: @transfer-item-font-size;
      }

      &-disabled {
        color: @transfer-item-color_disabled;
        background-color: @transfer-item-color-bg_disabled;
        cursor: not-allowed;
      }

      &:not(&-disabled):hover {
        color: @transfer-item-color_hover;
        background-color: @transfer-item-color-bg_hover;
      }

      .@{prefix}-checkbox {
        width: 100%;
        height: 100%;

        &-text {
          color: inherit;
        }
      }

      /*********************************************
       * Style of draggable items
       ********************************************/
      &-draggable:first-child {
        margin-top: @transfer-item-draggable-height-gap;
      }

      &-draggable:last-child {
        margin-bottom: @transfer-item-draggable-height-gap;
      }

      &-draggable::before {
        content: '';
        display: block;
        position: absolute;
        left: 0;
        right: 0;
        height: @transfer-item-draggable-height-gap;
        border-radius: ($height / 2);
      }

      &-gap-bottom::before {
        bottom: -@transfer-item-draggable-height-gap;
        background-color: @transfer-item-draggable-color-bg-gap;
      }

      &-gap-top::before {
        top: -@transfer-item-draggable-height-gap;
        background-color: @transfer-item-draggable-color-bg-gap;
      }

      &-dragging {
        background-color: @transfer-item-draggable-color-bg_dragging !important;
        color: @transfer-item-draggable-color_dragging !important;
      }

      &-dragged {
        animation: ~'@{prefix}-transfer-drag-item-blink' 0.4s;
        animation-timing-function: @transition-timing-function-linear;
      }
    }

    & &-icon-clear {
      margin-left: 8px;
    }

    & &-icon-clear,
    & &-item-icon-remove {
      cursor: pointer;
      font-size: @transfer-font-size-icon;
      color: @transfer-color-icon;

      &:hover::before {
        background-color: @transfer-color-bg-icon;
      }

      &:focus-visible::before {
        box-shadow: 0 0 0 2px @transfer-color-icon-box-shadow;
      }
    }

    .@{prefix}-list {
      display: flex;
      flex-direction: column;
      height: 100%;
      border-radius: 0;

      &-content {
        flex: 1;
        overflow-y: auto;
      }

      &-footer {
        display: flex;
        align-items: center;
        position: relative;
        box-sizing: border-box;
        height: @transfer-height-footer;
        padding: 0 @transfer-padding-horizontal-footer;
      }

      .@{prefix}-pagination {
        position: absolute;
        top: 50%;
        right: @transfer-padding-horizontal-footer;
        margin: 0;
        transform: translateY(-50%);

        &-jumper-input {
          width: @transfer-pagination-width-input;
        }

        &-jumper-separator {
          padding: 0 @transfer-pagination-gap-separator;
        }
      }
    }

    .@{prefix}-checkbox {
      padding-left: 6px;

      &-wrapper {
        display: inline;
      }

      .@{prefix}-icon-hover:hover::before {
        background-color: @transfer-color-bg-icon;
      }
    }
  }

  &-operations {
    padding: 0 @transfer-operation-padding-horizontal;

    .@{prefix}-btn {
      display: block;

      &:last-child {
        margin-top: @transfer-operation-gap-buttons;
      }
    }

    &-words {
      .@{prefix}-btn {
        width: 100%;
        padding: 0 12px;
        text-align: left;
      }
    }
  }

  &-simple {
    .@{transfer-prefix-cls}-view-source {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      border-right: none;
    }

    .@{transfer-prefix-cls}-view-target {
      border-top-left-radius: 0;
      border-bottom-left-radius: 0;
    }
  }

  &-disabled {
    .@{transfer-prefix-cls}-view-header {
      color: @transfer-item-color_disabled;
    }
  }
}

@keyframes ~'@{prefix}-transfer-drag-item-blink' {
  0% {
    background-color: @transfer-item-draggable-color_blink;
  }

  100% {
    background-color: transparent;
  }
}

.@{transfer-prefix-cls}-rtl {
  direction: rtl;

  .@{transfer-prefix-cls}-view {
    &-search {
      padding: @transfer-search-padding-top @transfer-search-padding-left
        @transfer-search-padding-bottom @transfer-search-padding-right;
    }

    &-header > *:first-child,
    &-item &-item-content {
      &:not(:last-child) {
        margin-right: 0;
        margin-left: 8px;
      }
    }

    &-header-unit {
      margin-left: 2px;
      margin-right: 0;
    }

    &-icon-clear {
      margin-right: 8px;
      margin-left: 0;
    }

    .@{prefix}-list {
      .@{prefix}-pagination {
        right: initial;
        left: @transfer-padding-horizontal-footer;
      }
    }

    .@{prefix}-checkbox {
      padding-left: 0;
      padding-right: 6px;
    }
  }

  .@{transfer-prefix-cls}-operations {
    &-words {
      .@{prefix}-btn {
        text-align: right;
      }
    }
  }

  &.@{transfer-prefix-cls}-simple {
    .@{transfer-prefix-cls}-view-source {
      border-right: @transfer-border-width solid @transfer-border-color;
      border-left: none;
    }
  }
}
