@if $css-variable-enabled {
  $primary-transition: var(--primary-transition);
}

.#{$prefix}nav {
  padding: 0;

  li {
    list-style: none;
    padding: 6px 10px;
    position: relative;
    cursor: pointer;
    transition: padding $primary-transition;

    &:before, &:after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 0;
      background-color: var(--primary-color);
      transition-duration: $primary-transition;
      transition-property: transform background-color;
    }

    &:before {
      width: 4px;
      transform: scaleX(0);
      transform-origin: left;
    }

    &:after {
      right: 0;
      opacity: 0;
      pointer-events: none;
    }

    &:hover, &.#{$prefix}hovered {
      &:before {
        transform: scaleX(0.3);
      }
    }

    &[selected], &.#{$prefix}selected {
      padding: 6px 14px;

      &:before {
        transform: scaleX(1);
      }

      &:after {
        opacity: 0.1;
      }
    }

    ul {
      padding-left: 10px;
      margin-top: 8px;
    }
  }
}