/* Top navigation ----------------------------------------------------------- */
.top-nav {
  margin: 20px 4px 0 4px;

  // Logo
  .navbar-brand {
    text-decoration: none;
    white-space: pre;
    -webkit-transition: opacity 200ms ease, color 200ms ease;
    transition: opacity 200ms ease, color 200ms ease;

    &:hover {
      opacity: 0.75;
    }

    @include media-breakpoint-down(md) {
      img {
        width: 120px;
      }
    }
  }

  // Main Links ----------------------------------------------------------------
  .navbar-nav {
    .nav-link {
      color: $white;
      font-size: 1rem;
      line-height: 52px;
      text-decoration: none;

      &:hover {
        background-color: transparent;
        box-shadow: inset 0 -1px 0 0 #000;
        text-decoration: none;
      }

      &.active a {
        font-weight: 700;
        box-shadow: inset 0 -1px 0 0 #000;
      }
      &.active-parent a {
        font-weight: 700;
        box-shadow: inset 0 -1px 0 0 #000;
      }

      &:focus {
        outline: none;
      }

      @include media-breakpoint-only(lg) {
        padding: 1rem 1.15rem;

        &.github-edit {
          padding-left: 40px;
        }
      }
    }
    // Buttons in top nav
    .btn-outline-secondary {
      font-size: 14px;
      line-height: 125%;
      margin-top: 1rem;
    }
    @include media-breakpoint-down(md) {
      .wrap-button {
        padding: 1.5rem 0;

        .btn {
          display: inline;
          padding: 1rem 1.25rem;
        }
      }
    }
  }


  // Dropdowns -----------------------------------------------------------------
  // (Mobile first)
  .dropdown-toggle {
    position: relative;
  }
  .dropdown-toggle::after {
    position: absolute;
    border-color: $gray-500 transparent transparent transparent;
    border-width: 8px 5px 0 5px;
    top: 40%;
    left: auto;
  }
  .dropdown.show {
    .dropdown-toggle {
      color: $gray-500;
    }
    .dropdown-toggle::after {
      border-color: $primary transparent transparent transparent;
    }
  }
  .dropdown-menu {
    border-width: 0;

    .dropdown-item {
      line-height: 262%;
      padding: 0 .875rem;

      &.top-level-2 {
        padding-left: 2rem
      }

      &:hover {
        color: $primary;
      }
    }
  }
  // Desktop version
  @include media-breakpoint-up(lg) {
    .dropdown-toggle::after {
      border-width: 0;
      top: 80%;
      left: 50%;
    }

    .dropdown-toggle.with-caret::after {
      position: relative;
      top: 4px;
      left: 0;
      border-top: 8px solid $primary;
      border-right: 5px solid transparent;
      border-left: 5px solid transparent;
      border-bottom: 0;
      transition: 0.2s;
    }

    .dropdown.show .dropdown-toggle.with-caret::after {
      transform: scaleY(-1);
    }

    .dropdown.show .dropdown-toggle {
      color: $gray-500;
      position: relative;
    }

    .dropdown.show .dropdown-toggle:not(.with-caret)::after,
    .dropdown-toggle:not(.with-caret):hover::after {
      content: " ";
      display: static;
      border: 3px solid $primary;
      border-radius: 50%;
      font-size: 0;
      height: 0;
      width: 0;
    }

    .dropdown-menu {
      border-width: 1px;
      backdrop-filter: blur(8px);
      border-radius: $border-radius-lg;
      padding: 0.5rem 0.75rem;
      min-width: 250px;

      &.smaller-dropdown {
        min-width: unset;
      }

      .dropdown-item {
        line-height: 44px;
      }
    }
  }

  // Search bar & controls -----------------------------------------------------
  #navbar-search {
    .input-group-text,
    .input-group > .input-group-append > .btn {
      color: $white;
      background-color: transparent;
      border-width: 0;
    }
    .algolia-autocomplete {
      flex-grow: 1;
    }

    #topsearchbox:focus {
      box-shadow: none;
      border-color: $white;
    }

    @include media-breakpoint-up(lg) { // Desktop search styling ---------------
      position: static; // allows search bar to be positioned screen-center
      .dropdown-toggle {
        position: relative;
      }

      .dropdown-menu {
        padding: 0;
        border-radius: $border-radius-lg;
        width: 640px;
        left: calc(50% - 320px);
        background-color: $gray-900;
      }

      .input-group {
        width: 100%;
      }

      #topsearchbox {
        line-height: 24px;
        height: 100%;
        width: 100%;

        &:not(:focus) {
          border-right: 1px solid black;
        }
      }
    }
    @include media-breakpoint-down(md) { // Mobile search styling --------------
      .form-inline label {
        margin-bottom: 0;

        .input-group-text {
          line-height: 24px;
        }
      }

      .dropdown-menu { // search box is always expanded
        display: block;
        position: static;
        background-color: transparent;
        border: 0 none;
        box-shadow: none;
        margin-top: 0;
        width: 100%;
      }

      .dropdown-toggle { // no dropdown to expand search
        display: none;
      }

    }

    // Algolia Search results --------------------------------------------------
    .algolia-autocomplete .ds-dropdown-menu [class^="ds-dataset-"] {
      background-color: rgba(0,0,0,0.9);
      border: 1px solid $gray-900;
      border-radius: $border-radius-lg;
    }
    .algolia-autocomplete .ds-dropdown-menu::before {
      background-color: rgba(0,0,0,0.9);
      border-color: $gray-900;
    }
    .algolia-docsearch-suggestion {
      background-color: rgba(0,0,0,0.9);
    }
    .algolia-autocomplete .algolia-docsearch-suggestion--category-header {
      color: $white;
      border: 0 solid $secondary;
      border-bottom-width: 1px;
      font-weight: bold;
    }

    .algolia-autocomplete .algolia-docsearch-suggestion--subcategory-column {
      color: $white;
    }

    .algolia-autocomplete .algolia-docsearch-suggestion--title {
      color: $white;
    }

    .algolia-autocomplete .algolia-docsearch-suggestion--text {
      font-size: 0.8rem;
      color: $gray-200;
    }

    .algolia-autocomplete .algolia-docsearch-suggestion--highlight {
      color: $white;
      background-color: $green-800;
    }

    @include media-breakpoint-down(md) {
      .algolia-autocomplete .ds-dropdown-menu {
        min-width: unset;
      }
    }
  }

  // Mobile --------------------------------------------------------------------
  @include media-breakpoint-down(md) {
    .navbar-brand {
      padding-left: 15px;
    }
    .navbar-toggler {
      border: 0;
      padding: 0;

      &:not(.collapsed) {
        // Hack: turn white hamburger to approximately $green
        filter: brightness(0.5) sepia(1) saturate(5000%) hue-rotate(114deg) brightness(1.96) saturate(87%);
      }
    }

    .navbar-nav .nav-link {
      line-height: 150%;
    }

    .github-edit-wrap .github-edit.nav-link {
      background-image: unset;
      padding-left: inherit;
    }

  }

  // Language toggle -----------------------------------------------------------
  .language-selector {
    font-size: 0.875rem;
  }
}