@import 'mixins/mixins';
@import 'mixins/var';
@import 'common/var';
@import 'common/transition';

@include b(collapse) {
  @include set-component-css-var('collapse', $--collapse);

  border-top: 1px solid var(--el-collapse-border-color);
  border-bottom: 1px solid var(--el-collapse-border-color);
}

@include b(collapse-item) {
  @include when(disabled) {
    .#{$namespace}-collapse-item__header {
      color: var(--el-font-color-disabled-base);
      cursor: not-allowed;
    }
  }
  @include e(header) {
    display: flex;
    align-items: center;
    height: var(--el-collapse-header-height);
    line-height: var(--el-collapse-header-height);
    background-color: var(--el-collapse-header-background-color);
    color: var(--el-collapse-header-font-color);
    cursor: pointer;
    border-bottom: 1px solid var(--el-collapse-border-color);
    font-size: var(--el-collapse-header-font-size);
    font-weight: 500;
    transition: border-bottom-color var(--el-transition-duration);
    outline: none;
    @include e(arrow) {
      margin: 0 8px 0 auto;
      transition: transform var(--el-transition-duration);
      font-weight: 300;
      @include when(active) {
        transform: rotate(90deg);
      }
    }
    &.focusing:focus:not(:hover) {
      color: var(--el-color-primary);
    }
    @include when(active) {
      border-bottom-color: transparent;
    }
  }

  @include e(wrap) {
    will-change: height;
    background-color: var(--el-collapse-content-background-color);
    overflow: hidden;
    box-sizing: border-box;
    border-bottom: 1px solid var(--el-collapse-border-color);
  }

  @include e(content) {
    padding-bottom: 25px;
    font-size: var(--el-collapse-content-font-size);
    color: var(--el-collapse-content-font-color);
    line-height: 1.769230769230769;
  }

  &:last-child {
    margin-bottom: -1px;
  }
}
