.aside {
  position: fixed;
  top: 0;
  bottom: 0;
  margin-top: @header-hg;
  width: @aside-wd;
  background-color: @aside-bg;
  transition: width 0.2s @layout-ease, translate 0.2s @layout-ease;
  z-index: @zindex + 5;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-overflow-scrolling: touch;
  &:after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    border-right: 1px solid @content-heading-border;
  }
  &-inner {
    overflow-x: hidden;
    overflow-y: scroll; // margin-right: -17px;
    height: 100%;
    -webkit-overflow-scrolling: touch;
    /*IE10,IE11*/
    -ms-scroll-chaining: chained;
    -ms-overflow-style: none;
    -ms-content-zooming: zoom;
    -ms-scroll-rails: none;
    -ms-content-zoom-limit-min: 100%;
    -ms-content-zoom-limit-max: 500%;
    -ms-scroll-snap-type: proximity;
    -ms-scroll-snap-points-x: snapList(100%, 200%, 300%, 400%, 500%);
    -ms-overflow-style: none;
    &::-webkit-scrollbar {
      height: @aside-scrollbar-width;
      width: @aside-scrollbar-height;
    }
    &::-webkit-scrollbar-track {
      -webkit-box-shadow: inset 0 0 @aside-scrollbar-width
        @aside-scrollbar-track-color;
    }
    &::-webkit-scrollbar-thumb {
      background-color: @aside-scrollbar-thumb-color;
    }
  }
}

// Main Nav
@nav-prefix-cls: nav;
@nav-icon-width: 14px;
.@{nav-prefix-cls} {
  display: block;
  font-size: @aside-nav-fs;
  margin: 0;
  padding: 0;
  > li {
    position: relative;
    border-left: 3px solid transparent;
    transition: border-left-color 0.4s ease;
    > a {
      color: @aside-nav-text-color;
      text-decoration: none;
      padding: @aside-nav-padding-top-bottom @layout-gutter * 2;
      white-space: nowrap;
      position: relative;
      display: block;
      user-select: none;
      i {
        min-width: @nav-icon-width;
        display: inline-block;
        margin-right: @layout-gutter;
        transition: font-size 0.15s @ease-out, margin 0.3s @ease-in-out;
      }
      > span {
        transition: opacity 0.3s @ease-in-out, width 0.3s @ease-in-out;
        opacity: 1;
      }
      &:hover {
        color: @aside-nav-text-hover-color;
      }
    }
    &.@{nav-prefix-cls}-group-title {
      color: @aside-nav-group-text-color;
      padding: @aside-nav-padding-top-bottom @layout-gutter * 2;
    }
    // Badge
    .badge {
      position: absolute;
      right: @layout-gutter * 2;
      @badge-height: @layout-gutter * 2;
      &:not(.badge-dot) {
        top: (@aside-nav-item-height - @badge-height) / 2;
        height: @badge-height;
        width: @badge-height;
        line-height: @badge-height;
        padding: 0;
        overflow: hidden;
      }
      &-dot {
        top: (@aside-nav-item-height - @layout-gutter) / 2;
      }
    }
    // Selected
    &.@{nav-prefix-cls}-item-selected {
      border-left-color: @aside-nav-selected-text-color;
      background-color: @aside-nav-selected-bg;
      > a {
        color: @aside-nav-selected-text-color;
      }
    }
  }
  &-sub {
    &-title {
      @fix-aside-icon-top: (
          (
              (@aside-nav-fs * @line-height-base) +
                (@aside-nav-padding-top-bottom * 2)
            ) - 18
        ) / 2;
      &:after {
        content: '\E61D';
        font-family: anticon !important;
        font-style: normal;
        vertical-align: baseline;
        text-align: center;
        text-transform: none;
        text-rendering: auto;
        position: absolute;
        right: @layout-gutter * 2;
        top: @fix-aside-icon-top;
        display: inline-block;
        font-size: 12px;
        transform: scale(0.66666667) rotate(0deg);
        transition: transform 0.3s @ease-in-out;
        zoom: 1;
      }
    }
    display: none;
    overflow: hidden;
    > li {
      border-left: 0 !important;
    }
  }
  // Actives
  > li {
    // Open Submenu
    &.@{nav-prefix-cls}-submenu-open {
      > .@{nav-prefix-cls}-sub-title {
        &:after {
          transform: rotate(180deg) scale(0.75);
        }
      }
      > .nav-sub {
        display: block;
        animation: fadeIn 0.5s;
      }
    }
  }
  // Dept
  &-depth1 {
    > li > a {
      padding-left: (@layout-gutter * 3) + @nav-icon-width;
    }
  }
  &-depth2 {
    > li > a {
      padding-left: (@layout-gutter * 4) + @nav-icon-width;
    }
  }
  &-depth3 {
    > li > a {
      padding-left: (@layout-gutter * 5) + @nav-icon-width;
    }
  }
  // Floating
  &-floating {
    position: absolute;
    z-index: @zindex + 7;
    min-width: 160px;
    border: 1px solid @content-heading-border;
    background-color: @aside-bg;
    border-radius: 4px;
    display: none;
    > li {
      a {
        padding-left: @layout-gutter * 2;
      }
    }
    &-show {
      display: block;
    }
    .@{nav-prefix-cls}-sub {
      display: block;
    }
    .@{nav-prefix-cls}-sub-title::after {
      display: none;
    }
    // Dept
    .@{nav-prefix-cls}-depth2 {
      > li > a {
        padding-left: @layout-gutter * 3;
      }
    }
    .@{nav-prefix-cls}-depth3 {
      > li > a {
        padding-left: @layout-gutter * 4;
      }
    }
  }
}

@user-block-width: @aside-wd - (@layout-gutter * 6);
@user-block-avatar-hw: @avatar-size-lg;
.user-block {
  padding-top: (@layout-gutter * 3);
  margin: 0 auto;
  display: block !important;
  width: @user-block-width;
  cursor: pointer;
  .user-block-dropdown {
    display: flex;
    align-items: center;
  }
  .info {
    color: @text-color;
    width: @user-block-width - @user-block-avatar-hw - @layout-gutter;
  }
  .avatar {
    margin-right: @layout-gutter;
  }
}

// Desktop
@media (min-width: @screen-md-min) {
  .aside-collapsed {
    .aside {
      width: @aside-collapsed-wd;
    }
    .@{nav-prefix-cls}:not(.@{nav-prefix-cls}-sub) {
      > li {
        border: none;
        &.@{nav-prefix-cls}-group-title {
          display: none;
        }
        > a {
          text-align: center;
          padding: (@layout-gutter * 3) 0;
          i {
            margin-right: 0;
            font-size: @aside-collapsed-nav-fs;
          }
          > span {
            max-width: 0;
            display: inline-block;
            opacity: 0;
          }
        }
      }
    }
    .@{nav-prefix-cls} {
      &-sub {
        display: none !important;
        &-title {
          &:after {
            display: none;
          }
        }
      }
    }
    .user-block {
      width: @aside-collapsed-wd;
      .info {
        display: none;
      }
      .avatar {
        margin: 0 auto;
      }
    }
  }
}

// Under pad
@media (max-width: @screen-sm-max) {
  .aside,
  .content {
    transition: transform 0.3s ease;
  }
  .content {
    transform: translate3d(@aside-wd, 0, 0);
  }
  .aside-collapsed {
    .aside {
      transform: translate3d(-100%, 0, 0);
    }
    .content {
      transform: translateZ(0);
    }
  }
}