wagtail/client/src/components/PageExplorer/PageExplorer.scss

$c-page-explorer-bg-active: theme('colors.black-50');
$c-page-explorer-easing: cubic-bezier(0.075, 0.82, 0.165, 1);
$menu-footer-height: 50px;

@use 'sass:map';

@import 'PageExplorerItem';

.c-page-explorer {
  @apply w-bg-surface-menu-item-active;
  max-width: 485px;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  flex: 1;

  *:focus {
    @include show-focus-outline-inside;
  }

  @include media-breakpoint-up(sm) {
    width: 485px;
    box-shadow: 2px 2px 5px $c-page-explorer-bg-active;
  }
}

.c-page-explorer > .c-transition-group {
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 350;
}

.c-page-explorer__drawer {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

$explorer-header-horizontal-padding: 10px;

.c-page-explorer__header {
  @apply w-bg-surface-menu-item-active w-text-text-label-menus-default w-border-b w-border-surface-menu-item-active;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-inline-start: $mobile-nav-indent;
  height: $mobile-nav-indent;

  @include media-breakpoint-up(sm) {
    margin-inline-start: initial;
    height: initial;
  }
}

.c-page-explorer__header__title {
  @apply hover:w-bg-surface-menus hover:w-text-text-label-menus-active focus:w-bg-surface-menus focus:w-text-text-label-menus-active;
  color: inherit;
}

.c-page-explorer__header__title__inner {
  @apply w-flex;
  padding: 1em $explorer-header-horizontal-padding;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  .icon {
    @apply w-text-text-label-menus-default;
    margin-inline-end: 0.25rem;
    font-size: 1rem;
  }

  .icon--explorer-header {
    @apply w-text-text-label-menus-default w-mr-2;
    width: 1.25em;
    height: 1.25em;
    margin-inline-end: 0.25rem;
    vertical-align: text-top;
  }

  @include media-breakpoint-up(sm) {
    padding: 1em 1.5em;
  }
}

.c-page-explorer__header__select {
  @apply w-text-text-label-menus-default w-bg-surface-menus;
  $margin: 10px;
  margin-inline-end: $margin;

  > select {
    padding: 5px 30px 5px 10px;
    font-size: 0.875rem;

    &:disabled {
      border: 0;
    }

    &:hover:enabled {
      cursor: pointer;
    }

    &:hover:disabled {
      color: inherit;
      background-color: inherit;
      cursor: inherit;
    }
  }

  // Add select arrow back on browsers where native ui has been removed
  &-icon {
    @apply w-text-icon-primary;
    position: absolute;
    inset-inline-end: 1rem;
    top: 0.85rem;
    width: 1.25rem;
    height: 1.25rem;
    pointer-events: none;

    .ie & {
      display: none;
    }
  }
}

.c-page-explorer__placeholder {
  padding: 1em;
  color: theme('colors.text-label-menus-default');

  @include media-breakpoint-up(sm) {
    padding: 1em 1.75em;
  }
}

.c-page-explorer__see-more {
  display: block;
  padding: 1em;
  background: theme('colors.black-35');
  color: theme('colors.text-label-menus-default');

  &:focus {
    color: theme('colors.text-label-menus-active');
    background: $c-page-explorer-bg-active;
  }

  // Overrides for default link hover.
  &:hover {
    color: theme('colors.text-label-menus-active');
  }

  @include hover {
    background: $c-page-explorer-bg-active;
  }

  @include media-breakpoint-up(sm) {
    padding: 1em 1.75em;
    height: $menu-footer-height;
  }
}