.page-with-contextual-sidebar {
  transition: padding-left $sidebar-transition-duration;

  @include media-breakpoint-up(md) {
    padding-left: $contextual-sidebar-collapsed-width;
  }

  @include media-breakpoint-up(xl) {
    padding-left: $contextual-sidebar-width;
  }

  .issues-bulk-update.right-sidebar.right-sidebar-expanded .issuable-sidebar-header {
    padding: 10px 0 15px;
  }
}

.page-with-icon-sidebar {
  @include media-breakpoint-up(md) {
    padding-left: $contextual-sidebar-collapsed-width;
  }
}

.context-header {
  position: relative;
  margin-right: 2px;
  width: $contextual-sidebar-width;

  > a,
  > button {
    transition: padding $sidebar-transition-duration;
    font-weight: $gl-font-weight-bold;
    display: flex;
    width: 100%;
    align-items: center;
    padding: 10px 16px 10px 10px;
    color: $gl-text-color;
    background-color: transparent;
    border: 0;
    text-align: left;

    &:hover,
    &:focus {
      background-color: $link-hover-background;
      color: $gl-text-color;
      outline: 0;
    }
  }

  .avatar-container {
    flex: 0 0 40px;
    background-color: $white;
  }

  .sidebar-context-title {
    overflow: hidden;
    text-overflow: ellipsis;

    &.text-secondary {
      font-weight: normal;
      font-size: 0.8em;
    }
  }
}

.settings-avatar {
  background-color: $white;

  svg {
    fill: $gl-text-color-secondary;
    margin: auto;
  }
}

@mixin collapse-contextual-sidebar-content {
  .context-header {
    height: 60px;
    width: $contextual-sidebar-collapsed-width;

    a {
      padding: 10px 4px;
    }
  }

  .sidebar-top-level-items > li {
    .sidebar-sub-level-items {
      &:not(.flyout-list) {
        display: none;
      }
    }
  }

  .nav-icon-container {
    margin-right: 0;
  }

  .toggle-sidebar-button {
    padding: 16px;
    width: $contextual-sidebar-collapsed-width - 1px;

    .collapse-text,
    .icon-chevron-double-lg-left {
      display: none;
    }

    .icon-chevron-double-lg-right {
      display: block;
      margin: 0;
    }
  }
}

.nav-sidebar {
  transition: width $sidebar-transition-duration, left $sidebar-transition-duration;
  position: fixed;
  z-index: 600;
  width: $contextual-sidebar-width;
  top: $header-height;
  bottom: 0;
  left: 0;
  background-color: $gray-light;
  box-shadow: inset -1px 0 0 $border-color;
  transform: translate3d(0, 0, 0);

  &:not(.sidebar-collapsed-desktop) {
    @media (min-width: map-get($grid-breakpoints, sm)) and (max-width: map-get($grid-breakpoints, sm)) {
      box-shadow: inset -1px 0 0 $border-color, 2px 1px 3px $dropdown-shadow-color;
    }
  }

  @mixin collapse-contextual-sidebar {
    width: $contextual-sidebar-collapsed-width;

    .nav-sidebar-inner-scroll {
      overflow-x: hidden;
    }

    .badge.badge-pill:not(.fly-out-badge),
    .sidebar-context-title,
    .nav-item-name {
      @include gl-sr-only;
    }

    .sidebar-top-level-items > li > a {
      min-height: 45px;
    }

    .fly-out-top-item {
      display: block;
    }

    .avatar-container {
      margin: 0 auto;
    }
  }

  &.sidebar-collapsed-desktop {
    @include collapse-contextual-sidebar;
  }

  &.sidebar-expanded-mobile {
    left: 0;
  }

  a {
    text-decoration: none;
  }

  ul {
    padding-left: 0;
    list-style: none;
  }

  li {
    white-space: nowrap;

    a {
      transition: padding $sidebar-transition-duration;
      display: flex;
      align-items: center;
      padding: 12px $gl-padding;
      color: $gl-text-color-secondary;
    }

    .nav-item-name {
      flex: 1;
    }

    &.active {
      > a {
        font-weight: $gl-font-weight-bold;
      }
    }
  }

  @include media-breakpoint-down(sm) {
    left: (-$contextual-sidebar-width);
  }

  .nav-icon-container {
    display: flex;
    margin-right: 8px;
  }

  .fly-out-top-item {
    display: none;
  }

  svg {
    height: 16px;
    width: 16px;
  }

  @media (min-width: map-get($grid-breakpoints, md)) and (max-width: map-get($grid-breakpoints, xl) - 1px) {
    &:not(.sidebar-expanded-mobile) {
      @include collapse-contextual-sidebar;
      @include collapse-contextual-sidebar-content;
    }
  }
}

.nav-sidebar-inner-scroll {
  height: 100%;
  width: 100%;
  overflow: auto;
}

.with-performance-bar .nav-sidebar {
  top: $header-height + $performance-bar-height;
}

.sidebar-sub-level-items {
  display: none;
  padding-bottom: 8px;

  > li {
    a {
      padding: 8px 16px 8px 40px;

      &:hover,
      &:focus {
        background: $link-active-background;
        color: $gl-text-color;
      }
    }

    &.active {
      a {
        &,
        &:hover,
        &:focus {
          background: $link-active-background;
        }
      }
    }
  }
}

.sidebar-top-level-items {
  margin-bottom: 60px;

  > li {
    > a {
      @include media-breakpoint-up(sm) {
        margin-right: 1px;
      }

      &:hover {
        color: $gl-text-color;
      }
    }

    &.is-showing-fly-out {
      > a {
        margin-right: 1px;
      }

      .sidebar-sub-level-items {
        @include media-breakpoint-up(sm) {
          position: fixed;
          top: 0;
          left: 0;
          min-width: 150px;
          margin-top: -1px;
          padding: 4px 1px;
          background-color: $white;
          box-shadow: 2px 1px 3px $dropdown-shadow-color;
          border: 1px solid $gray-darker;
          border-left: 0;
          border-radius: 0 3px 3px 0;

          &::before {
            content: '';
            position: absolute;
            top: -30px;
            bottom: -30px;
            left: -10px;
            right: -30px;
            z-index: -1;
          }

          &.is-above {
            margin-top: 1px;
          }

          .divider {
            height: 1px;
            margin: 4px -1px;
            padding: 0;
            background-color: $dropdown-divider-bg;
          }

          > .active {
            box-shadow: none;

            > a {
              background-color: transparent;
            }
          }

          a {
            padding: 8px 16px;
            color: $gl-text-color;

            &:hover,
            &:focus {
              background-color: $gray-darker;
            }
          }
        }
      }
    }

    .badge.badge-pill {
      background-color: $inactive-badge-background;
      color: $gl-text-color-secondary;
    }

    &.active {
      background: $link-active-background;

      > a {
        margin-left: 4px;
        // Subtract width of left border on active element
        padding-left: $gl-padding-12;
      }

      .badge.badge-pill {
        font-weight: $gl-font-weight-bold;
      }

      .sidebar-sub-level-items:not(.is-fly-out-only) {
        display: block;
      }
    }

    &.active > a:hover,
    &.is-over > a {
      background-color: $link-hover-background;
    }
  }
}

// Collapsed nav

.toggle-sidebar-button,
.close-nav-button,
.toggle-right-sidebar-button {
  transition: width $sidebar-transition-duration;
  height: $toggle-sidebar-height;
  padding: 0 $gl-padding;
  background-color: $gray-light;
  border: 0;
  color: $gl-text-color-secondary;
  display: flex;
  align-items: center;

  &:hover {
    background-color: $border-color;
    color: $gl-text-color;
  }
}

.toggle-sidebar-button,
.close-nav-button {
  position: fixed;
  bottom: 0;
  width: $contextual-sidebar-width - 1px;
  border-top: 1px solid $border-color;

  svg {
    margin-right: 8px;
  }

  .icon-chevron-double-lg-right {
    display: none;
  }
}

.toggle-right-sidebar-button {
  border-bottom: 1px solid $border-color;
}

.collapse-text {
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-collapsed-desktop {
  @include collapse-contextual-sidebar-content;
}

.fly-out-top-item {
  > a {
    display: flex;
  }

  .fly-out-badge {
    margin-left: 8px;
  }
}

.fly-out-top-item-name {
  flex: 1;
}

// Mobile nav

.close-nav-button {
  display: none;
}

@include media-breakpoint-down(sm) {
  .close-nav-button {
    display: flex;
  }

  .toggle-sidebar-button {
    display: none;
  }

  .mobile-overlay {
    display: none;

    &.mobile-nav-open {
      display: block;
      position: fixed;
      background-color: $black-transparent;
      height: 100%;
      width: 100%;
      z-index: $zindex-dropdown-menu;
    }
  }
}