// Base class
//
// Kickstart any navigation component with a set of style resets. Works with
// `<nav>`s or `<ul>`s.

.nav {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav__link {
  display: inline-block;

  @include hover-focus {
    text-decoration: none;
  }

  // Disabled state lightens text and removes hover/tab effects
  &--disabled {
    color: $nav-disabled-link-color;

    @include plain-hover-focus {
      color: $nav-disabled-link-hover-color;
      cursor: $cursor-disabled;
      background-color: transparent;
    }
  }
}


// Nav inline

.nav--inline {
  .nav__link + .nav__link {
    margin-left: $spacer;
  }
}


//
// Tabs
//

.nav--tabs {
  border-bottom: $border-width solid $nav-tabs-border-color;
  @include clearfix();

  .nav__item {
    float: none;
    margin-bottom: $half-spacer;

    @include media-breakpoint-up(xs) {
      float: left;
      // Make the list-items overlay the bottom border
      margin-bottom: -$border-width;

      + .nav__item {
        margin-left: $spacer / 4;
      }
    }
  }

  .nav__link {
    cursor: pointer;
    display: block;
    padding: $nav-link-padding;
    border: $border-width solid transparent;
    @include border-radius($border-radius);

    @include media-breakpoint-up(xs) {
      @include border-radius($border-radius $border-radius 0 0);
    }

    @include hover-focus {
      border-color: $nav-tabs-link-hover-border-color;
    }

    &--disabled {
      @include plain-hover-focus {
        color: $nav-disabled-link-color;
        background-color: transparent;
        border-color: transparent;
      }
    }
  }

  .nav__link--active,
  .nav__item--open .nav__link {
    @include plain-hover-focus {
      color: $nav-tabs-active-link-hover-color;
      background-color: $nav-tabs-active-link-hover-bg;
      border-color: $nav-tabs-active-link-hover-border-color;
      @include media-breakpoint-up(xs) {
        border-color: $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-border-color transparent;
      }

    }
  }
}


//
// Pills
//

.nav--pills {
  .nav__item {
    float: left;

    + .nav__item {
      margin-left: $spacer / 4;
    }
  }

  .nav__link {
    display: block;
    padding: $nav-link-padding;
    @include border-radius($nav-pills-border-radius);
  }

  .nav__link--active,
  .nav__item--open .nav__link {
    @include plain-hover-focus {
      color: $component-active-color;
      cursor: default;
      background-color: $component-active-bg;
    }
  }
}

.nav--stacked {
  .nav__item {
    display: block;
    float: none;

    + .nav__item {
      margin-top: $spacer / 4;
      margin-left: 0;
    }
  }
}


//
// Tabbable tabs
//

// Hide tabbable panes to start, show them when `.active`
.tab-content {
  border: $border-width solid $base-border-color;
  border-top: none;
  border-radius: 0 0 $border-radius $border-radius;
  background-color: $nav-tabs-active-link-hover-bg;

  > .tab-content__pane {
    display: none;
    padding: $spacer;
  }
  > .tab-content__pane--active {
    display: block;
  }
}