// ============================================================================
// :: Tabs
// ============================================================================
/**
 * Tabs component lists a range of tabs to which certain content blocks can be
 * assigned.
 */

// ============================================================================
// :: Settings
// ============================================================================
$dropdown-animation-duration: 0.2s;
$dropdown-spacing-right: 3rem;
$dropdown-width: 20rem;
$tabs-list-height: 6rem;

// ============================================================================
// :: Root
// ============================================================================
.o-tabs {
  display: flex;
  flex-direction: column;
}

// ============================================================================
// :: Elements
// ============================================================================
.o-tabs__list-container {
  position: relative;
  z-index: $z-index-roof;

  order: 2;

  @include respond-at($breakpoint-tablet-default) {
    display: flex;
    order: 1;
  }
}

.o-tabs__list,
.o-tabs__collapse-list {
  padding: 0;

  list-style-type: none;
}

.o-tabs__list {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  width: 100%;

  @include respond-at($breakpoint-tablet-default) {
    flex-direction: row;
    align-items: flex-end;
    max-height: $tabs-list-height;
    overflow: hidden;
  }
}

.o-tabs__content {
  position: relative;
  z-index: $z-index-roof - 1;

  order: 1;
  margin-bottom: 3rem;

  background-color: $background-color-white;
  border-radius: 0 0 $border-radius-1x-large $border-radius-1x-large;

  @include respond-at($breakpoint-tablet-default) {
    flex-grow: 1;
    padding: 4rem;
    margin-bottom: 0;
    order: 2;
  }
}

.o-tabs__item {
  width: 100%;

  white-space: nowrap;

  border-bottom: $border-width-base solid $border-color-1x-light;

  transition: background-color 0.2s ease-in-out;

  @include respond-at($breakpoint-tablet-default) {
    width: auto;

    border-bottom: none;
    border-radius: $border-radius-1x-large $border-radius-1x-large 0 0;
  }
}

.o-tabs__collapse .m-collapse__header,
.o-tabs__item-link {
  padding: 2rem 0;

  @include respond-at($breakpoint-tablet-default) {
    padding: 1.2rem 2.4rem;
  }

  &:focus {
    outline: 0.2rem solid $primary-color-base;
    outline-offset: -0.5rem;
  }
}

html[data-text-zoom="large"],
html[data-text-zoom="xlarge"] {
  .o-tabs__collapse .m-collapse__header,
  .o-tabs__item-link {
    transform: translateY(-0.8rem);
    scale: 0.8;
  }
}

.o-tabs__collapse-header,
.o-tabs__item-link {
  font-family: $font-family-sora;
  font-size: $font-size-base;
  line-height: $line-height-base;
  text-decoration: none;

  color: $text-color-base;

  transition: color 0.2s ease-in-out;

  @include respond-at($breakpoint-tablet-default) {
    font-weight: $font-weight-bold;

    color: $text-color-medium;
  }

  &:hover {
    color: $text-color-base;
  }
}

.o-tabs__item-link {
  @extend %__icon-chevron-right;

  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;

  @include respond-at($breakpoint-tablet-default) {
    display: inline-block;
  }

  &::before {
    order: 1;

    font-size: 2rem;

    @include respond-at($breakpoint-tablet-default) {
      content: none;
    }
  }
}

.o-tabs__collapse {
  position: absolute;
  top: 0;
  right: 0;
  z-index: $z-index-floor;

  max-width: $dropdown-width;
  width: 100%;
  margin-right: $dropdown-spacing-right;

  background-color: transparent;
  border-radius: $border-radius-1x-large;

  transition: background-color $dropdown-animation-duration ease-in-out
    $dropdown-animation-duration;

  // Animate the box shadow through the use of opacity for better performance
  &::before {
    content: "";

    position: absolute;
    top: 0;
    left: 0;
    z-index: $z-index-pit;

    width: 100%;
    height: 100%;

    border-radius: $border-radius-1x-large;
    box-shadow: $box-shadow-base;
    opacity: 0;

    transition: opacity $dropdown-animation-duration ease-in-out
      $dropdown-animation-duration;
  }
}

.o-tabs__collapse-list {
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding-bottom: 2.4rem;

  .o-tabs__item-link {
    white-space: normal;
    hyphens: auto;
  }
}

// ============================================================================
// :: Modifiers
// ============================================================================
.o-tabs--no-spacing {
  .o-tabs__content {
    padding: 0;
  }
}

// ============================================================================
// :: States
// ============================================================================
.o-tabs {
  &.is-loading {
    .o-tabs__list-container {
      opacity: 0;

      pointer-events: none;
    }
  }
}

.o-tabs__item {
  &.is-active {
    background-color: $background-color-white;

    .o-tabs__item-link {
      color: $text-color-base;

      &:focus {
        outline: 0.2rem solid $primary-color-base;
        outline-offset: -0.5rem;
      }
    }
  }
}

.o-tabs__collapse {
  &.is-open {
    background-color: $background-color-white;

    transition: background-color $dropdown-animation-duration ease-in-out;

    &::before {
      opacity: 1;

      transition: opacity $dropdown-animation-duration ease-in-out;
    }
  }
}