measure/public/plugins/element-plus/theme-chalk/src/collapse.scss

@use 'mixins/mixins' as *;
@use 'mixins/var' as *;
@use 'common/var' as *;
@use 'common/transition';

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

  border-top: 1px solid getCssVar('collapse-border-color');
  border-bottom: 1px solid getCssVar('collapse-border-color');
}

@include b(collapse-item) {
  @include when(disabled) {
    .#{$namespace}-collapse-item__header {
      color: getCssVar('text-color-disabled');
      cursor: not-allowed;
    }
  }
  @include e(header) {
    width: 100%;
    padding: 0;
    border: none;
    display: flex;
    align-items: center;
    height: getCssVar('collapse-header-height');
    line-height: getCssVar('collapse-header-height');
    background-color: getCssVar('collapse-header-bg-color');
    color: getCssVar('collapse-header-text-color');
    cursor: pointer;
    border-bottom: 1px solid getCssVar('collapse-border-color');
    font-size: getCssVar('collapse-header-font-size');
    font-weight: 500;
    transition: border-bottom-color getCssVar('transition-duration');
    outline: none;
    @include e(arrow) {
      margin: 0 8px 0 auto;
      transition: transform getCssVar('transition-duration');
      font-weight: 300;
      @include when(active) {
        transform: rotate(90deg);
      }
    }
    &.focusing:focus:not(:hover) {
      color: getCssVar('color-primary');
    }
    @include when(active) {
      border-bottom-color: transparent;
    }
  }

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

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

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