@import '../../globals/scss/vars';
@import '../../globals/scss/colors';
@import '../../globals/scss/typography';
@import '../../globals/scss/spacing';
@import '../../globals/scss/helper-mixins';
@import '../../globals/scss/import-once';
@import '../../globals/scss/css--reset';
@import '../../globals/scss/css--typography';

@include exports('accordion') {
  .#{$prefix}--accordion {
    @include reset;
    @include font-family;
    list-style: none;
    width: 100%;
  }

  .#{$prefix}--accordion__item {
    transition: all $transition--base $carbon--standard-easing;
    border-top: 1px solid $ui-04;
    overflow: hidden;

    &:focus {
      outline: none;

      .#{$prefix}--accordion__arrow {
        @include focus-outline('border');
        overflow: visible; // safari fix
        outline-offset: -.5px; // safari fix
      }
    }

    &:last-child {
      border-bottom: 1px solid $ui-04;
    }
  }

  .#{$prefix}--accordion__heading {
    @include button-reset;
    color: $text-01;
    display: flex;
    align-items: center;
    justify-content: $accordion-justify-content;
    flex-direction: $accordion-flex-direction;
    cursor: pointer;
    padding: $spacing-xs 0;

    // new version of markup uses focus on the heading,
    // not the list element itself
    &:focus {
      outline: none;

      .#{$prefix}--accordion__arrow {
        @include focus-outline('border');
        overflow: visible; // safari fix
        outline-offset: -.5px; // safari fix
      }
    }
  }

  .#{$prefix}--accordion__arrow {
    transition: all $transition--base $carbon--standard-easing;
    height: 1.25rem;
    width: 1.25rem;
    padding: $spacing-2xs $spacing-3xs $spacing-2xs $spacing-2xs;
    margin: $accordion-arrow-margin;
    fill: $ui-05;
  }

  .#{$prefix}--accordion__title {
    margin: $accordion-title-margin;
  }

  .#{$prefix}--accordion__content {
    transition: all $transition--expansion $carbon--ease-out;
    padding: $accordion-content-padding;
    height: 0;
    visibility: hidden;
    opacity: 0;

    p {
      @include typescale('zeta');
    }
  }
}

.#{$prefix}--accordion__item--active {
  overflow: visible;

  .#{$prefix}--accordion__content {
    padding-top: $spacing-md;
    padding-bottom: $spacing-lg;
    height: auto;
    visibility: visible;
    opacity: 1;
    transition: all $transition--expansion $carbon--ease-in;
  }

  .#{$prefix}--accordion__arrow {
    transform: rotate(90deg);
    fill: $brand-01;
  }
}