.n-tab-switch-vertical
  position relative
  overflow hidden
  overflow-y auto
  width 100%
  height 100%
  &-bar
    position absolute
    width 4px
    height 14px
    top 0
    left 4px
    border-radius 2px
    background-color #4280f8
    transition transform .18s ease-in-out
  &-item
    overflow hidden
    white-space nowrap
    text-overflow ellipsis
    margin-right 6px
    margin-left 12px
    margin-bottom 4px
    padding 0 4px
    line-height 26px
    color #687185
    font-size 13px
    border-radius 4px
    cursor pointer
    user-select none
    transition all .2s ease
    &:hover
      background-color #E8F1FE
    &.active
      color #1776f2
      font-weight bold
      background-color #F3F8FE