ant-design/components/tree-select/style/index.less

@import "../../style/themes/default";
@import "../../style/mixins/index";
@import "../../tree/style/mixin";
@import "../../checkbox/style/mixin";

@select-prefix-cls: ~"@{ant-prefix}-select";
@select-tree-prefix-cls: ~"@{ant-prefix}-select-tree";

.antCheckboxFn(@checkbox-prefix-cls: ~"@{ant-prefix}-select-tree-checkbox");

.@{select-tree-prefix-cls} {
  margin: 0;
  padding: 8px;
  font-size: @font-size-base;
  li {
    padding: 0;
    margin: 8px 0;
    list-style: none;
    white-space: nowrap;
    outline: 0;
    &.filter-node {
      > span {
        font-weight: bold !important;
      }
    }
    ul {
      margin: 0;
      padding: 0 0 0 18px;
    }
    > span {
      display: inline-block;
      padding: 1px 5px;
      border-radius: 2px;
      margin: 0;
      cursor: pointer;
      text-decoration: none;
      vertical-align: top;
      color: @text-color;
      transition: all 0.3s ease;
      &:hover {
        background-color: @item-hover-bg;
      }
      &.@{select-tree-prefix-cls}-node-selected {
        background-color: @item-active-bg;
      }
      &.@{select-tree-prefix-cls}-checkbox {
        margin: 2px 4px 0 0;
      }
      &.@{select-tree-prefix-cls}-switcher,
      &.@{select-tree-prefix-cls}-iconEle {
        margin: 0;
        width: 16px;
        height: 16px;
        line-height: 16px;
        display: inline-block;
        vertical-align: middle;
        border: 0 none;
        cursor: pointer;
        outline: none;
      }
      &.@{select-tree-prefix-cls}-icon_loading {
        &:after {
          display: inline-block;
          .iconfont-font("\e64d");
          font-weight: bold;
          animation: loadingCircle 1s infinite linear;
          margin-top: 8px;
        }
      }
      &.@{select-tree-prefix-cls}-switcher {
        &.@{select-tree-prefix-cls}-switcher-noop {
          cursor: auto;
        }
        &.@{select-tree-prefix-cls}-roots_open,
        &.@{select-tree-prefix-cls}-center_open,
        &.@{select-tree-prefix-cls}-bottom_open,
        &.@{select-tree-prefix-cls}-noline_open {
          .antTreeSwitcherIcon();
        }
        &.@{select-tree-prefix-cls}-roots_close,
        &.@{select-tree-prefix-cls}-center_close,
        &.@{select-tree-prefix-cls}-bottom_close,
        &.@{select-tree-prefix-cls}-noline_close {
          .antTreeSwitcherIcon();
          .ie-rotate(3);
          &:after {
            transform: rotate(270deg) scale(0.59);
          }
        }
      }
    }
  }
  &-child-tree {
    display: none;
    &-open {
      display: block;
    }
  }
  &-treenode-disabled {
    > span,
    > a,
    > a span {
      color: @disabled-color;
      cursor: not-allowed;
    }
  }
  &-icon__open {
    margin-right: 2px;
    vertical-align: top;
  }
  &-icon__close {
    margin-right: 2px;
    vertical-align: top;
  }
}

.@{select-prefix-cls}-tree-dropdown {
  .@{select-prefix-cls}-dropdown-search {
    display: block;
    padding: 4px;
    .@{select-prefix-cls}-search__field__wrap {
      width: 100%;
    }
    .@{select-prefix-cls}-search__field {
      padding: 4px 7px;
      width: 100%;
      box-sizing: border-box;
      border: @border-width-base @border-style-base @border-color-base;
      border-radius: 4px;
      outline: none;
    }
    &.@{select-prefix-cls}-search--hide {
      display: none;
    }
  }
  .@{select-prefix-cls}-not-found {
    cursor: not-allowed;
    color: @disabled-color;
    padding: 7px 16px;
    display: block;
  }
}