$nav-height: 50px !default;

// Components

.nav-toggle {
  @include hamburger($nav-height);

  // Responsiveness
  @include tablet {
    display: none;
  }
}

.nav-item {
  align-items: center;
  display: flex;
  flex-grow: 0;
  flex-shrink: 0;
  justify-content: center;
  padding: 10px;

  a {
    flex-grow: 1;
    flex-shrink: 0;
  }

  img {
    max-height: 24px;
  }

  .button + .button {
    margin-left: 10px;
  }

  .tag {
    &:first-child {
      margin-right: 5px;
    }

    &:last-child {
      margin-left: 5px;
    }
  }

  // Responsiveness
  @include mobile {
    justify-content: flex-start;
  }
}

.nav-item a,
a.nav-item {
  color: $text-light;

  &:hover {
    color: $link-hover;
  }

  // Modifiers
  &.is-active {
    color: $link-active;
  }

  &.is-tab {
    border-bottom: 1px solid transparent;
    border-top: 1px solid transparent;
    padding-left: 12px;
    padding-right: 12px;

    &:hover {
      border-bottom: 1px solid $link;
      border-top: 1px solid transparent;
    }

    &.is-active {
      border-bottom: 3px solid $link;
      border-top: 3px solid transparent;
      color: $link;
    }
  }
}

// Containers

.nav-menu {
  // Responsiveness
  @include mobile {
    background-color: $white;
    box-shadow: 0 4px 7px rgba($black, 0.1);
    left: 0;
    display: none;
    right: 0;
    top: 100%;
    position: absolute;

    .nav-item {
      border-top: 1px solid rgba($border, 0.5);
      padding: 10px;
    }

    &.is-active {
      display: block;
    }
  }


  @include tablet-only {
    padding-right: 20px;
  }
}

.nav-left {
  align-items: stretch;
  display: flex;
  flex-basis: 0;
  flex-grow: 1;
  flex-shrink: 0;
  justify-content: flex-start;
  overflow: hidden;
  overflow-x: auto;
  white-space: nowrap;
}

.nav-center {
  align-items: stretch;
  display: flex;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

.nav-right {
  // Responsiveness
  @include tablet {
    align-items: stretch;
    display: flex;
    flex-basis: 0;
    flex-grow: 1;
    flex-shrink: 0;
    justify-content: flex-end;
  }
}

// Main container

.nav {
  align-items: stretch;
  background-color: $white;
  display: flex;
  min-height: $nav-height;
  position: relative;
  text-align: center;
  z-index: 2;

  & > .container {
    align-items: stretch;
    display: flex;
    min-height: $nav-height;
    width: 100%;

    & > .nav-left {
      & > .nav-item:first-child:not(.is-tab) {
        padding-left: 0;
      }
    }

    & > .nav-right {
      & > .nav-item:last-child:not(.is-tab) {
        padding-right: 0;
      }
    }
  }

  .container > & {
    & > .nav-left {
      & > .nav-item:first-child:not(.is-tab) {
        padding-left: 0;
      }
    }

    & > .nav-right {
      & > .nav-item:last-child:not(.is-tab) {
        padding-right: 0;
      }
    }
  }

  // Modifiers
  &.has-shadow {
    box-shadow: 0 2px 3px rgba($black, 0.1);
  }

  // Responsiveness
  @include touch {
    & > .container,
    .container > & {
      & > .nav-left {
        & > .nav-item.is-brand:first-child {
          padding-left: 20px;
        }
      }
    }
  }
}