.#{$prefix}-sidemenu {
  position: relative;
  box-shadow: $shadow-md;
  @include scheme-element-bg-color(w-g750, true);

  @include font-icon(menu-2-fill, md) {
    margin-left: space(1N);
    transform: translateY(1px);
    position: absolute;
    top: space(1-5N);
  }

  @include respond-from(md) {
    @include scheme-element-bg-color(t-plain, true);
  }

  &__wrapper {
    @include collapse();
    margin: 0 space(2N);

    &--expanded {
      max-height: 100%;
    }

    @include respond-from(md) {
      margin: 0;
      max-height: initial;
      overflow: initial;
      opacity: 1;

      &::before {
        display: none;
      }

      &#{&}--expanded {
        opacity: 1;
      }

      &:not(#{&}--expanded) {
        visibility: visible;
        max-height: initial;
      }
    }
  }

  &__title {
    font-size: font-size(18);
    font-weight: font-weight(bold);
    margin: 0;
    padding: space(2N) 0;
    line-height: line-height(normal);
    @include scheme-element-text-color(g800);
    @include scheme-element-bg-color(t-plain, true);
    @include scheme-element-border-color(g300, true, bottom);

    @include respond-from(md) {
      font-size: font-size(20);
      margin: 0 0 space(3N);
      padding: 0;
      border: 0;
    }
  }

  &__list {
    font-weight: font-weight('bold');

    .#{$prefix}-sidemenu__list {
      font-weight: font-weight();
      margin: 0 0 0 space(2N);
    }

    @include respond-from(md) {
      margin: 0;
    }
  }

  &__item {
    margin: space(0-5N);

    &::before {
      content: none;
    }

    &:last-child {
      .#{$prefix}-btn {
        @include scheme-element-border-color(t-plain, true, bottom);
      }
    }

    .#{$prefix}-btn {
      display: flex;
      position: relative;
      flex-direction: row-reverse;
      align-items: center;
      text-align: left;
      font-weight: font-weight(bold);
      background: 0;
      line-height: line-height();
      border: 0;
      width: calc(100% - #{space(2N)});
      height: 100%;
      padding: space(1-5N) 0;
      margin: 0 auto;
      @include scheme-element-border-color(g300, true, bottom);

      @include font-icon(arrow-down-s-line, md) {
        margin-left: auto;
        margin-right: 0;
        transition: transform 0.3s;

        @include respond-from(md) {
          margin-right: -(space(3N));
        }
      }

      @include scheme-element-text-color(g800);
      @include scheme-element-focus();

      &[aria-expanded="true"] {
        @include scheme-element-border-color(t-plain, true, bottom);

        &::before {
          transform: rotate(-180deg);
        }
      }

      @include respond-from(md) {
        width: 100%;
        padding: space(1N) space(4N) space(1N) space(1N);
        border: 0;
        @include scheme-element-bg-color(t-plain, true, after);
      }
    }

    .#{$prefix}-link {
      width: calc(100% - #{space(2N)});
      padding: space(1-5N) 0;
      font-size: font-size();
      margin: 0 space(1N);
      text-align: left;
      flex-direction: row;
      box-shadow: none;
      @include scheme-element-text-color(g800);
      @include scheme-element-bg-color(t-plain, true, after);
      @include scheme-element-focus();
      @include scheme-element-border-color(g300, true, bottom);

      &::before {
        content: none;
      }

      @include respond-from(md) {
        width: 100%;
        padding: space(1N);
        margin: 0;
        @include scheme-element-border-color(t-plain, true, bottom);
      }
    }

    &--active {
      & > .#{$prefix}-btn {
        @include scheme-element-text-color(bf500);
      }
      & > .#{$prefix}-link {
        @include scheme-element-text-color(bf500);

        &::before {
          content: '';
          position: absolute;
          top: 0;
          left: -(space(1N));
          bottom: 0;
          width: 2px;
          background-color: currentColor;
          margin: space(1-5N) 0;
        }
      }
    }

    @include respond-from(md) {
      margin: space(1N) 0;
    }

    .#{$prefix}__item {
      .#{prefix}-sidemenu__content {
        .#{$prefix}-link {
          padding: space(1-5N) 0;
          font-weight: font-weight();

          @include respond-from(md) {
            padding: space(1-5N);
          }
        }
      }
    }
  }

  &__button {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    text-align: left;
    border: 0;
    width: 100%;
    padding: space(1-5N) 0 space(1-5N) space(4N);
    @include scheme-element-text-color(g800);
    @include scheme-element-bg-color(w-g750, true);
    @include scheme-element-focus();

    &[hidden] {
      display: none;
    }

    @include font-icon(arrow-down-s-line, md) {
      margin-left: auto;
      margin-right: space(2N);
      transition: transform 0.3s;
    }

    &[aria-expanded="true"] {
      &::before {
        transform: rotate(-180deg);
      }
    }
  }

  &__inner {

    @include respond-from(md) {
      padding: 0 space(4N) 0 space(0-5N);
      @include scheme-element-border-color(g300, true, right);
    }
  }

  @include respond-from(md) {
    padding-right: space(4N);
    box-shadow: none;

    &::before {
      content: none;
    }

    &--right {
      padding-left: space(4N);
      padding-right: 0;

      .#{$prefix}-sidemenu__inner {
        border-right: 0;
        padding: 0 space(2N) 0 space(4N);
        @include scheme-element-border-color(g300, true, left);
      }
    }

    &--sticky {
      position: sticky;
      top: 0;
      overflow: auto;
      height: 100vh;
      max-height: 100%;
    }

    &--sticky-full-height {
      position: sticky;
      top: 0;
      overflow: auto;
      height: 100vh;
      max-height: 100%;

      .#{$prefix}-sidemenu__inner {
        height: 100vh;
        overflow: auto;
      }
    }

    &--full-border {

      .#{$prefix}-sidemenu__title {
        margin-top: space(1N);
      }
      .#{$prefix}-sidemenu__inner {
        @include scheme-element-border-color(g300, true);

        @include respond-from(md) {
          padding: 0 space(0-5N) 0 space(0-5N);
        }
      }
    }
  }

  &__content {
    @include collapse();
    padding: space(0-5N);
    margin: -(space(0-5N));
    max-height: 100%;
    transition: max-height 0.3s;

    &:not(&--expanded) {
      .#{$prefix}-sidemenu__item {
        margin-bottom: 0;
        max-height: 0;
      }
    }

    &__list {
      margin: 0 0 0 space(2N);
    }

    &__item {
      margin: 0;

      &::before {
        content: none;
      }

      .#{$prefix}-btn {
        padding: space(1-5N) 0;

        @include font-icon(arrow-down-s-line, md) {
          margin-right: 0;
        }

        @include respond-from(md) {
          padding: space(1-5N) space(2N) space(1-5N) space(1-5N);
        }
      }

      .#{$prefix}-link {
        padding: space(1-5N) 0;
        font-weight: font-weight();

        @include respond-from(md) {
          padding: space(1-5N);
        }
      }

      &--active {
        & > .#{$prefix}-link {
          @include scheme-element-text-color(bf500);

          &::before {
            content: '';
            position: absolute;
            top: 0;
            left: -(space(1N));
            bottom: 0;
            width: 2px;
            background-color: currentColor;
            margin: space(1-5N) 0;
          }
        }
      }
    }
  }
}