gitlab-org--gitlab-foss/app/assets/stylesheets/generic/sidebar.scss

.page-with-sidebar {
  .sidebar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    transition-duration: .3s;
  }
}

.sidebar-wrapper {
  z-index: 99;
  background: $background-color;
  transition-duration: .3s;
}

.content-wrapper {
  width: 100%;
  padding: 20px;
  background: #FFF;
}

.nav-sidebar {
  transition-duration: .3s;
  margin: 0;
  list-style: none;
  overflow: hidden;

  &.navbar-collapse {
    padding: 0px !important;
  }

  li {
    width: $sidebar_width;

    &.separate-item {
      padding-top: 10px;
      margin-top: 10px;
    }

    a {
      padding: 7px 15px;
      font-size: 13px;
      line-height: 18px;
      color: $gray;
      display: block;
      text-decoration: none;
      padding-left: 16px;

      &:hover {
        text-decoration: none;
      }

      &:active, &:focus {
        text-decoration: none;
      }

      i {
        width: 20px;
        color: $gray-light;
        margin-right: 23px;
      }

      .count {
        float: right;
        background: #eee;
        padding: 0px 8px;
        @include border-radius(6px);
      }
    }
  }
}

.sidebar-subnav {
  margin-left: 0px;
  padding-left: 0px;

  li {
    list-style: none;
  }
}

@mixin expanded-sidebar {
  padding-left: $sidebar_width;
  transition-duration: .3s;

  .sidebar-wrapper {
    width: $sidebar_width;

    .nav-sidebar {
      margin-top: 29px;
      position: fixed;
      top: $header-height;
      width: $sidebar_width;
    }

    .nav-sidebar li a{
      width: 230px;

      &.back-link {
        i {
          visibility: hidden;
        }
      }
    }
  }
}

@mixin folded-sidebar {
  padding-left: 50px;
  transition-duration: .3s;

  .sidebar-wrapper {
    width: $sidebar_collapsed_width;

    .nav-sidebar {
      margin-top: 29px;
      position: fixed;
      top: $header-height;
      width: $sidebar_collapsed_width;

      li a {
        padding-left: 16px;
      }
    }

    .collapse-nav a {
      left: 0px;
      width: $sidebar_collapsed_width;
    }

    .sidebar-user {
      width: $sidebar_collapsed_width;
    }
  }
}

.collapse-nav a {
  position: fixed;
  top: $header-height;
  left: 198px;
  font-size: 13px;
  background: transparent;
  width: 32px;
  height: 28px;
  text-align: center;
  line-height: 28px;
  transition-duration: .3s;
}

.collapse-nav a:hover {
  text-decoration: none;
  background: #f2f6f7;
}

@media (max-width: $screen-md-max) {
  .page-sidebar-collapsed {
    @include folded-sidebar;
  }

  .page-sidebar-expanded {
    @include folded-sidebar;
  }

  .collapse-nav {
    display: none;
  }
}

@media(min-width: $screen-md-max) {
  .page-sidebar-collapsed {
    @include folded-sidebar;
  }

  .page-sidebar-expanded {
    @include expanded-sidebar;
  }
}

.sidebar-user {
  position: absolute;
  bottom: 0;
  width: $sidebar_width;
  padding: 10px;
  overflow: hidden;
  transition-duration: .3s;

  .username {
    margin-top: 5px;
    width: $sidebar_width - 2 * 10px;
  }
}