.documents-online_contents {
  .document-title-heading {
    font-size: $h5-font-size;
  }

  .document-title-containers {
    &:after {
      padding-right: 3px;
    }
  }

  .al-hierarchy-children-status {
    font-size: $h6-font-size;
    margin-top: 6px;
    text-align: left;
  }

  .bookmark-toggle,
  .al-request-form {
    font-size: $font-size-sm;
  }

  // Headings and text
  .al-document-abstract-or-scope {
    font-size: 0.85rem;
    line-height: 1.5;
    max-width: 45em;
  }

  .al-hierarchy-sub-heading {
    color: $gray-600;
    font-size: $font-size-sm;
    font-weight: normal;
    text-transform: uppercase;
  }

  // Series level
  .blacklight-series .document-title-heading,
  .blacklight-subseries .document-title-heading,
  .blacklight-file .document-title-heading,
  .blacklight-binder .document-title-heading,
  .blacklight-other .document-title-heading {
    font-size: $h5-font-size;
    font-weight: 400;
    margin-bottom: ($spacer / 2);
  }

  .blacklight-series,
  .blacklight-file {
    // Additional for levels below series
    .blacklight-subseries .document-title-heading,
    .blacklight-file .document-title-heading,
    .blacklight-binder .document-title-heading,
    .blacklight-other .document-title-heading {
      font-size: $h6-font-size;

      .documentHeader {
        margin-top: $spacer;
      }
    }

    // Icongraphy for each level
    .blacklight-subseries .document-title-heading,
    .al-hierarchy-level-1 .blacklight-file .document-title-heading,
    .al-hierarchy-level-1 .blacklight-binder .document-title-heading,
    .al-hierarchy-level-1 .blacklight-other .document-title-heading {
      padding-left: 10px;

      &:before {
        color: $gray-600;
        content: "\027E9";
        padding-right: 3px;
      }
    }

    .al-hierarchy-level-2 .document-title-heading,
    .al-hierarchy-level-2 .blacklight-file .document-title-heading {
      &:before {
        content: "\027E9 \027E9";
      }
    }

    .al-hierarchy-level-3 .document-title-heading,
    .al-hierarchy-level-3 .blacklight-file .document-title-heading {
      &:before {
        content: "\027E9 \027E9 \027E9";
      }
    }
  }
}

.al-hierarchy-highlight > .documentHeader {
  background: $mark-bg;
}

// Placeholder styling
.al-hierarchy-placeholder {
  margin-top: $spacer;

  h3 {
    background-color: $gray-200;
    border-radius: 5px;
    height: $h3-font-size;
  }

  p {
    background-color: $gray-200;
    border-radius: 5px;
    height: $font-size-base;
  }
}

// Scope content
.al-document-abstract-or-scope {
  font-size: 0.85rem;
  line-height: 1.5;
  max-width: 45em;
  margin-bottom: $spacer;
}

// Component show page, Collection context section
#collection-context {
  h1 {
    font-size: $h5-font-size;
  }

  ul {
    list-style: none;
    flex-grow: 1;
  }

  .documents-online_contents {
    .documentHeader {
      margin-top: 1.5rem;
    }
  }

  // Top-level context
  .al-hierarchy-level-0 .document-title-heading {
    font-size: $h5-font-size;
    margin-bottom: ($spacer / 2);
  }

  // All subsequent levels
  @for $i from 1 through 12 {
    .al-hierarchy-level-#{$i} .document-title-heading {
      font-size: $h6-font-size;
    }
  }

  .prev-siblings li, li.al-collection-context {
    visibility: visible;
    opacity: 1;
    transition: visibility 0s, height 0.5s, opacity 0.5s linear;

    &.collapsed {
      visibility: hidden;
      height: 0;
      opacity: 0;
    }
  }
}

// Indentation styling for all level hierarchies
@mixin hierarchy-levels {
  @for $i from 1 through 12 {
    .al-hierarchy-level-#{$i} {
      margin-left: 20px;
      // provides for n indention
      &.extra-indent {
        margin-left: ($i * 20) + px;
      }
    }
  }
}

@include hierarchy-levels;