.app-nav {
  flex: 1;
  padding: 0.625rem 0;

  &, a {
    color: $sidebar-link-color;
  }

  ul {
    margin: 0.625rem 0;
    padding: 0;
    list-style: none;
  }

  .nav-item a {
    display: flex;
    align-items: center;
    gap: 0.625rem;

    font-weight: normal;
    font-size: 0.8125rem;

    padding: 0.75rem 1rem;

    position: relative;

    &:hover, &:focus {
      color: $sidebar-link-color;
      background: $sidebar-hover-bg;
      text-decoration: none;

      .nav-icon {
        color: white;
      }
    }
  }

  .nav-item.active a {
    border-left: $sidebar-active-border solid var(--primary);
    padding-left: calc(1rem - #{$sidebar-active-border});

    background: $sidebar-active-bg;
    color: white;
  }

  .nav-icon {
    flex-shrink: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 1.25rem;
  }

  .nav-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

    opacity: 1;
    transition: opacity var(--sidebar-transition-duration) var(--sidebar-transition-timing);
  }

  .nav-header a {
    position: relative;
    color: $sidebar-group-color;

    text-transform: uppercase;
    font-weight: bold;
    line-height: 1;

    font-size: 0.6875rem;
    padding: 0.5rem 1.125rem;

    display: flex;
    justify-content: space-between;
    align-items: center;

    white-space: nowrap;

    span {
      opacity: 1;
      transition: opacity var(--sidebar-transition-duration) var(--sidebar-transition-timing);
    }

    &::after {
      @include icon-fa($fa-var-caret-down);
      opacity: 0.75;
    }

    &:hover,
    &:focus {
      background: none;

      &::before,
      &::after {
        opacity: 1;
      }
    }
  }

  .badge {
    margin-left: auto;
  }

  .collapsed {
    li {
      display: none;

      &.nav-header {
        display: block;
      }
    }
  }
}

.nav-tooltip {
  display: none !important;
}

@mixin collapsed-nav-header {
  span {
    opacity: 0;
  }

  &::after {
    display: none;

    position: absolute;
    top: 50%;
    left: 50%;
    translate: -50% -5px;

    text-indent: 0;
  }

  &::before {
    content: "";

    position: absolute;
    top: 50%;
    left: 1rem;
    right: 1rem;
    margin-top: -2px;

    border-bottom: 1px solid $sidebar-active-bg;
    opacity: 0.75;
  }
}

@mixin collapsed-nav-label {
  opacity: 0;
}

@mixin collapsed-nav-badge {
  text-indent: -99999px;
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  top: 0.625rem;
  left: 2rem;
}

@include media-breakpoint-between(md, xl) {
  .nav-tooltip {
    display: block !important;
  }

  .app-nav {
    .nav-label {
      @include collapsed-nav-label;
    }

    .badge {
      @include collapsed-nav-badge;
    }

    .nav-header a {
      @include collapsed-nav-header;
    }

    .collapsed .nav-header a {
      &::after {
        display: block;
      }
    }
  }

  .sidebar-expanded {
    .app-nav {
      .nav-header a {
        span {
          opacity: 1;
        }

        &::before {
          display: none;
        }

        &::after {
          display: block;
          position: static;
          translate: 0;
        }
      }

      .nav-label {
        opacity: 1;
      }

      .badge {
        position: static;
        width: auto;
        height: auto;
        text-indent: 0;
        padding: var(--#{$prefix}badge-padding-y) var(--#{$prefix}badge-padding-x);
      }
    }

    .nav-tooltip {
      display: none !important;
    }
  }
}

@include media-breakpoint-up(xl) {
  .sidebar-collapsed {
    .app-nav {
      .nav-label {
        @include collapsed-nav-label;
      }

      .badge {
        @include collapsed-nav-badge;
      }

      .nav-header a {
        @include collapsed-nav-header;
      }

      .collapsed .nav-header a {
        &::after {
          display: block;
        }
      }
    }

    .nav-tooltip {
      display: block !important;
    }
  }
}

@media (prefers-reduced-motion) {
  .app-nav {
    .nav-label,
    .nav-header a span {
      transition: none;
    }
  }
}