.nav-tabs {
  border-color: $border-color;

  .nav-item {
    margin-bottom: 0;

    + .nav-item { margin-left: 5px; }
  }

  .nav-link {
    background-color: $border-color;
    border-color: $border-color;
    color: $gray-700;
    border-bottom-width: 0;
    position: relative;
    margin-bottom: -1px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: $height-base;
    @include transition(background-color 0.2s);

    &:hover,
    &:focus {
      background-color: lighten($border-color, 5%);
      color: $gray-900;
    }

    &.active {
      background-color: #fff;
      z-index: 5;
      color: $color-brand-01;
    }

    &.disabled {
      background-color: transparent;
      color: $gray-400;
    }
  }

  &.flex-column {
    border-bottom: 0;
    border-right: 1px solid $border-color;
    justify-content: flex-start;

    .nav-item {
      + .nav-item {
        margin-left: 0;
        margin-top: 5px;
      }

      .nav-link {
        border: 1px solid $border-color;
        border-right-width: 0;
        margin-bottom: 0;
        margin-right: -1px;
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
        border-top-left-radius: $border-radius;
        border-bottom-left-radius: $border-radius;
      }
    }
  }
}

.nav-line {
  border-bottom: 2px solid $border-color;

  .nav-item {
    + .nav-item { margin-left: 25px; }
  }

  > .nav-link + .nav-link { margin-left: 25px; }

  .nav-link {
    padding: 8px 0;

    &.active {
      position: relative;

      &::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        height: 2px;
        background-color: $color-brand-01;
      }
    }
  }

  &.flex-column {
    border-bottom: 0;
    border-right: 2px solid $border-color;

    .nav-item {
      + .nav-item {
        margin-left: 0;
        margin-top: 25px;
      }
    }

    > .nav-link + .nav-link {
      margin-top: 25px;
      margin-left: 0;
    }

    .nav-link {
      padding: 0 15px 0 25px;

      &.active::after {
        top: 0;
        bottom: 0;
        width: 2px;
        height: auto;
        left: auto;
        right: -2px;
      }
    }
  }
}