amis/scss/layout/_aside.scss

.#{$ns}AsideNav {
  @include clearfix();

  &-label {
    color: $Layout-asideLabel-color;
    margin-top: $gap-base;
    margin-bottom: $gap-sm;
    font-size: $fontSizeXs;
    padding-left: $gap-base;
    padding-right: $gap-base;
  }

  &-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  &-itemArrow {
    float: right;
    display: block;
    width: px2rem(20px);
    text-align: center;
    line-height: px2rem(17px);
    margin-top: px2rem(2px);

    &:empty:before {
      content: '';
      display: inline-block;
      transform-origin: center;
      transition: transform 0.2s ease;
      background: url(data:image/svg+xml;base64,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);
      width: px2rem(10px);
      height: px2rem(10px);
      background-position: center center;
      background-repeat: no-repeat;
    }

    .#{$ns}AsideNav-item.is-open > a > &:empty:before {
      transform: rotate(90deg);
      color: $Layout-asideLink-onActive-arrowColor;
    }

    > svg {
      color: $Layout-asideLink-color;
      width: px2rem(10px);
      height: px2rem(10px);
      transform-origin: center;
      transition: transform 0.2s ease;
    }

    .#{$ns}AsideNav-item.is-open > a > & > svg {
      transform: rotate(90deg);
    }
  }

  &-itemBadge {
    padding: px2rem(2px) px2rem(5px);
    margin-top: px2rem(2px);
    font-size: $fontSizeXs;
    text-shadow: 0 px2rem(1px) 0 rgba(0, 0, 0, 0.2);
    float: right;
    min-width: px2rem(1px);
    line-height: 1;
    font-weight: $fontWeightBold;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: px2rem(10px);
  }

  &-itemIcon {
    margin: ($Layout-nav-height - $lineHeightBase * $Layout-asideLink-fontSize)/-2
      px2rem(-10px);
    line-height: $Layout-nav-height;
    width: $Layout-nav-height;
    vertical-align: middle;
    float: left;
    margin-right: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: $Layout-asideLink-iconColor;
    font-size: $Layout-asideLink-onHover-iconSize;

    &:before {
      position: relative;
      z-index: 2;
    }
  }

  &-subList {
    margin: 0;
    padding: 0;
    opacity: 0;
    height: 0;
    overflow: hidden;
    margin-left: px2rem(-20px);
    transition: all 0.2s ease-in-out 0s;
    background-color: $Layout-aside-subList-bg;

    .is-open > &,
    .#{$ns}Layout--folded .#{$ns}AsideNav-item:hover > &,
    .#{$ns}Layout--folded .#{$ns}AsideNav-item:focus > &,
    .#{$ns}Layout--folded .#{$ns}AsideNav-item:active > & {
      opacity: 1;
      margin-left: 0;
      height: auto !important;
      overflow: visible;
    }

    .#{$ns}Layout--folded .#{$ns}AsideNav-item.is-open > & {
      overflow: hidden;
    }
  }

  &-item {
    position: relative;
    display: block;

    a {
      font-weight: normal;
      cursor: pointer;
      text-transform: none;
      display: block;
      font-size: $Layout-asideLink-fontSize;
      padding: (
          $Layout-nav-height - $lineHeightBase * $Layout-asideLink-fontSize
        )/2 px2rem(15px);
      position: relative;
      transition: background-color 0.2s ease-in-out 0s;
      color: $Layout-asideLink-color;
      text-decoration: none;
      user-select: none;

      &:hover {
        color: $Layout-asideLink-onHover-color;
        text-decoration: none;
        background-color: $Layout-aside-onHover-bg;

        .#{$ns}AsideNav-itemIcon {
          color: $Layout-asideLink-onHover-iconColor;
        }
      }
    }

    &.is-active {
      > a {
        background-color: $Layout-aside-onAcitve-bg;
        color: $Layout-asideLink-onActive-color;

        &:hover {
          background-color: $Layout-aside-onHover-bg;
        }
      }
    }

    &.is-lg {
      > a {
        padding: (
            $Layout-nav-lgHeight - $lineHeightBase * $Layout-asideLink-fontSize
          )/2 px2rem(15px);
      }
    }

    .#{$ns}AsideNav-item {
      a {
        padding-left: $Layout-nav-height + px2rem(5px);
      }

      .#{$ns}AsideNav-item a {
        padding-left: $Layout-nav-height + px2rem(35px);
      }

      .#{$ns}AsideNav-item .#{$ns}AsideNav-item a {
        padding-left: $Layout-nav-height + px2rem(65px);
      }

      .#{$ns}AsideNav-subList {
        display: none;
      }

      &.is-open .#{$ns}AsideNav-subList {
        display: block;
      }
    }
  }

  &-subHeader {
    display: none;

    a {
      cursor: default;
      background: transparent;
      color: darken($Layout-aside-color, 10%);
      padding: (
          $Layout-nav--folded-height - $lineHeightBase *
            $Layout-asideLink-fontSize
        )/2 px2rem(20px);

      &:hover {
        color: darken($Layout-aside-color, 10%);
        background: transparent;
      }
    }
  }

  &-tooltip {
    pointer-events: none;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    position: absolute;
    font-size: $Tooltip--attr-fontSize;
    line-height: $Tooltip--attr-lineHeigt;
    text-align: left;
    white-space: nowrap;
    background: $Tooltip--attr-bg;
    border: $Tooltip--attr-borderWidth solid $Tooltip--attr-borderColor;
    border-radius: $Tooltip--attr-borderRadius;
    box-shadow: $Tooltip--attr-boxShadow;
    left: 100%;
    color: $Tooltip--attr-color;
    padding: $Tooltip--attr-paddingY $Tooltip--attr-paddingX;
    opacity: 0;
    transition: $Tooltip--attr-transition;
  }

  &-divider {
    width: auto;
    height: px2rem(1px);
    margin: $Layout-asideDivider-margin;
    overflow: hidden;
    font-size: 0;
    background-color: $Layout-asideDivider-bg;
  }
}

@include media-breakpoint-up(md) {
  .#{$ns}Layout--folded {
    .#{$ns}AsideNav-label {
      display: none;
    }

    .#{$ns}AsideNav-subHeader {
      display: block;
    }

    .#{$ns}AsideNav-item:hover > .#{$ns}AsideNav-tooltip {
      opacity: 1;
      z-index: $zindex-tooltip;
      margin: 0 0 0 $Tooltip--attr-gap;
      opacity: 1;
    }

    .#{$ns}AsideNav-list > .#{$ns}AsideNav-item > a {
      text-align: center;
      position: relative;
      padding: 0;
      text-align: center;
      height: $Layout-nav--folded-height;
      border: none;

      .#{$ns}AsideNav-itemArrow,
      .#{$ns}AsideNav-itemLabel {
        display: none;
      }

      .#{$ns}AsideNav-itemIcon {
        width: auto;
        float: none !important;
        display: block;
        font-size: px2rem(16px);
        margin: 0;
        line-height: $Layout-nav--folded-height;
        border: none !important;
      }

      .#{$ns}AsideNav-itemBadge {
        position: absolute;
        right: px2rem(12px);
        top: px2rem(8px);
        z-index: 3;
      }
    }

    .#{$ns}AsideNav-list > .#{$ns}AsideNav-item.is-lg > a {
      height: $Layout-nav-lgHeight;

      .#{$ns}AsideNav-itemIcon {
        line-height: $Layout-nav-lgHeight;
      }
    }

    .#{$ns}AsideNav-item .#{$ns}AsideNav-item a {
      padding-left: px2rem(20px) !important;
    }

    .#{$ns}AsideNav-subList {
      height: 0 !important;
      position: absolute;
      left: 100%;
      top: 0 !important;
      z-index: 1050;
      width: $Layout-aside-width;
      box-shadow: 0 px2rem(2px) px2rem(6px) rgba(0, 0, 0, 0.1);
    }

    &.#{$ns}Layout--sm .#{$ns}AsideNav-subList {
      width: $Layout-aside--sm-width;
    }

    &.#{$ns}Layout--md .#{$ns}AsideNav-subList {
      width: $Layout-aside--md-width;
    }

    &.#{$ns}Layout--lg .#{$ns}AsideNav-subList {
      width: $Layout-aside--lg-width;
    }
  }
}