components/Layout/style/index.less
@import './token.less';

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

.@{layout-prefix-cls} {
  display: flex;
  flex: 1;
  margin: 0;
  padding: 0;
  flex-direction: column;

  &-sider {
    position: relative;
    width: auto;
    margin: 0;
    padding: 0;
    flex: none; // flex: 0 0 auto; 当右侧文字过长的时候不会被压缩。
    background: @layout-sider-background;
    transition: width @transition-duration-2 @transition-timing-function-standard;

    &-children {
      height: 100%;
      overflow: auto;
    }

    &-collapsed &-children {
      /* width */
      &::-webkit-scrollbar {
        width: 0;
      }

      // /* Track */
      // &::-webkit-scrollbar-track {
      //   background: #f1f1f1;
      // }

      // /* Handle */
      // &::-webkit-scrollbar-thumb {
      //   background: #888;
      // }

      // /* Handle on hover */
      // &::-webkit-scrollbar-thumb:hover {
      //   background: #555;
      // }
    }

    &-has-trigger {
      padding-bottom: @layout-trigger-height;
      box-sizing: border-box;
    }

    &-trigger {
      display: flex;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
      width: 100%;
      height: @layout-trigger-height;
      background: @layout-trigger-dark-color;
      color: var(~'@{arco-cssvars-prefix}-color-white');
      cursor: pointer;
      transition: width @transition-duration-2 @transition-timing-function-standard;
      z-index: 1;

      &-light {
        background: @layout-sider-background-light;
        border-top: 1px solid @layout-trigger-light-color-border;
        color: @layout-font-color;
      }
    }
  }

  &-sider-light {
    background: @layout-sider-background-light;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 8%);
  }

  &-header {
    margin: 0;
    flex: 0 0 auto;
    box-sizing: border-box;
  }

  &-content {
    flex: 1;
  }

  &-footer {
    flex: 0 0 auto;
    margin: 0;
  }
}

.@{layout-prefix-cls}-has-sider {
  flex-direction: row;

  > .@{layout-prefix-cls},
  > .@{layout-prefix-cls}-content {
    overflow-x: hidden;
  }
}
