akkoma-fe/src/components/tab_switcher/tab_switcher.scss

@import '../../_variables.scss';

.tab-switcher {
  .contents {
    .hidden {
      display: none;
    }
  }
  .tabs {
    display: flex;
    position: relative;
    width: 100%;
    overflow-y: hidden;
    overflow-x: auto;
    padding-top: 5px;
    height: 32px;
    box-sizing: border-box;

    &::after, &::before {
      display: block;
      content: '';
      flex: 1 1 auto;
    }

    .tab, &::after, &::before {
      border-bottom: 1px solid;
      border-bottom-color: $fallback--border;
      border-bottom-color: var(--border, $fallback--border);
    }

    .tab {
      position: relative;
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
      padding: 5px 1em 99px;
      white-space: nowrap;

      &:not(.active) {
        z-index: 4;

        &:hover {
          z-index: 6;
        }

        &::after {
          content: '';
          position: absolute;
          left: 0;
          right: 0;
          top: 26px;
          border-bottom: 1px solid;
          border-bottom-color: $fallback--border;
          border-bottom-color: var(--border, $fallback--border);
        }
      }

      &.active {
        background: transparent;
        border-bottom: none;
        z-index: 5;
      }
    }
  }
}