@import "govuk_publishing_components/individual_component_support";
@import "helpers/contents-list-helper";

.gem-c-contents-list {
  // Always render the contents list above a
  // back to contents link
  position: relative;
  margin: 0 0 govuk-spacing(4) 0;
  z-index: 1;
  background: govuk-colour("white");
  box-shadow: 0 20px 15px -10px govuk-colour("white");
}

.gem-c-contents-list__title {
  margin: 0;
  @include govuk-text-colour;
  @include govuk-font($size: 16, $weight: regular, $line-height: 1.5);
}

.gem-c-contents-list__list,
.gem-c-contents-list__nested-list {
  margin: 0;
  padding: 0;
  list-style-type: none;
  @include govuk-text-colour;
  @include govuk-font($size: 16);
}

.gem-c-contents-list__link {
  .gem-c-contents-list__list-item--parent > & {
    font-weight: bold;
  }

  @include govuk-template-link-focus-override;
}

.gem-c-contents-list__list-item {
  padding-top: govuk-spacing(2);
  line-height: 1.3;
  list-style-type: none;

  @include govuk-media-query($from: tablet) {
    padding-top: calc(govuk-spacing(6) / 4);
  }
}

.gem-c-contents-list__list-item--dashed {
  $contents-spacing: govuk-spacing(5);
  position: relative;
  padding-left: $contents-spacing;
  padding-right: $contents-spacing;

  & span::before {
    content: "—";
    position: absolute;
    left: 0;
    width: govuk-spacing(4);
    overflow: hidden;

    .direction-rtl & {
      left: auto;
      right: 0;
    }
  }

  // Focus styles on IE8 and older include the
  // left margin, creating an odd white box with
  // orange border around the em dash.
  // Use inline-block and vertical alignment to
  // fix focus styles
  //
  // https://github.com/alphagov/government-frontend/pull/420#issuecomment-320632386
  .lte-ie8 & .gem-c-contents-list__link {
    display: inline-block;
    vertical-align: top;
  }
}

@include govuk-media-query($media-type: print) {
  // Override default browser indentation
  .gem-c-contents-list__list,
  .gem-c-contents-list__nested-list {
    padding-left: 0;
    margin-left: 0;
  }

  .gem-c-contents-list__list-item--numbered,
  .gem-c-contents-list__list-item--parent {
    list-style-type: none;
  }

  .gem-c-contents-list__link {
    &.govuk-link {
      color: $govuk-print-text-colour;
    }
  }
}