@doc-nav-active-color: #34c3ff;
@doc-nav-font-color: #272c36;
@doc-nav-line-color: #e5e5e5;

.document-nav {
  overflow: hidden;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  text-decoration: none;
  color: @doc-nav-font-color;
  font-size: 14px;
  position: relative;
  padding: 8px 0;
  padding-left: 20px;
  box-sizing: border-box;
  height: 34px;
  line-height: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  &::before {
    content: '';
    display: block;
    position: absolute;
    width: 1px;
    height: 100%;
    top: 0;
    background: @doc-nav-line-color;
  }
  &:hover {
    text-decoration: none;
  }
  &.scroll-bar-left::before {
    left: 0;
  }
  &.scroll-bar-right::before {
    right: 0;
  }
  &.active {
    color: @doc-nav-active-color;
    &::before {
      width: 2px;
      background: @doc-nav-active-color;
    }
  }
}