@import '../../public/css/faq_style.scss'; //
@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,300,600,700');


:root {
  // colors
  @include defineColorHSL(--cd-color-1, 213, 7%, 33%);   // Blue Dark
  @include defineColorHSL(--cd-color-2, 73, 46%, 55%);   // Green
  @include defineColorHSL(--cd-color-3, 210, 14%, 49%);  // Blue Light
  @include defineColorHSL(--cd-color-4, 0, 0%, 100%);    // White

  // font
  --font-primary: 'Open Sans', sans-serif;
}

.cd-faq {
  box-shadow: var(--shadow-sm);

  &::before { // never visible - this is used in JavaScript to check the current MQ
    content: 'mobile';
    display: none;
  }

  a {
    text-decoration: none;
  }

	@include breakpoint(md) {
		position: relative;
		box-shadow: none;
    display: flex;

    &::before {
      content: 'desktop';
    }
	}
}

.cd-faq__categories {
	@include breakpoint(md) {
    position: sticky; // fix element on scrolling
    align-self: flex-start;
    flex-shrink: 0;
    top: 20px;
		width: 20%;
		box-shadow: var(--shadow-sm);
    margin-top: var(--space-md);
	}

	@include breakpoint(lg) {
		width: 200px;
	}
}

.cd-faq__category {
  position: relative;
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 0 var(--space-lg) 0 calc(var(--space-sm)*1.4);
  color: var(--cd-color-4);
  background-color: var(--cd-color-1);
  @include fontSmooth;
  --border-color: hsl(var(--cd-color-1-h), var(--cd-color-1-s), calc(var(--cd-color-1-l)*1.1));
  border-bottom: 1px solid var(--border-color);

  &::before, &::after { // plus icon on the right
    content: '';
    position: absolute;
    top: 50%;
    right: 16px;
    display: inline-block;
    height: 1px;
    width: 10px;
    background-color: lightness(var(--cd-color-1), 1.6);
  }

  &::after {
    transform: rotate(90deg);
  }

  li:last-child & {
    border-bottom: none;
  }

  @include breakpoint(md) {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0 var(--space-md);
    transition: background .2s;

    &::before, &::after {
      display: none;
    }

    &:hover {
      background: lightness(var(--cd-color-1), 1.1);
    }
  }

  @include breakpoint(lg) {
    &::before { // decorative rectangle on the left visible for the selected item
      display: block;
      top: 0;
      right: auto;
      left: 0;
      height: 100%;
      width: 3px;
      background-color: var(--cd-color-2);
      opacity: 0;
      transition: opacity .2s;
    }
  }
}

@include breakpoint(lg) {
  .cd-faq__category-selected {
    background: lightness(var(--cd-color-1), 0.8);

    &:hover {
      background: lightness(var(--cd-color-1), 0.8);
    }

    &::before {
      opacity: 1;
    }
  }
}

.cd-faq__items { // on mibile, faq contents slides in from the right
	position: fixed;
  z-index: 1;
	height: 100%;
	width: 90%;
	top: 0;
	right: 0;
	background: var(--cd-color-4);
	padding: 0 var(--component-padding) var(--space-md);
	overflow: auto;
	-webkit-overflow-scrolling: touch;
	backface-visibility: hidden;
	transform: translateZ(0) translateX(100%);
	transition: transform .3s;

	@include breakpoint(md) {
		position: static;
		height: auto;
		width: auto;
    flex-grow: 1;
		overflow: visible;
		transform: translateX(0);
		padding: 0 0 0 var(--space-sm);
		background: transparent;
	}
}

.cd-faq__items--slide-in {
  transform: translateX(0);
}

html:not(.js) .cd-faq__items {
  position: static;
  height: auto;
  width: 100%;
  transform: translateX(0);
}

.cd-faq__group {
	display: none; // hide group not selected

	@include breakpoint(md) { // all groups visible
		display: block;
    padding-top: 1px; // fix issue with collapsing margin
	}
}

html:not(.js) .cd-faq__group,
.cd-faq__group--selected {
  display: block;
}

.cd-faq__title {
  margin: var(--space-md) 0;

  h2 {
    text-transform: uppercase;
    font-size: var(--text-sm);
    font-weight: 700;
    color: lightness(var(--color-contrast-low), 0.9);
  }

  @include breakpoint(md) {
    margin-bottom: var(--space-sm);

    h2 {
      font-size: var(--text-xs);
    }
  }
}

.cd-faq__item {
  @include breakpoint(md) {
    background: var(--cd-color-4);
    margin-bottom: var(--space-xxxs);
    box-shadow: 0 1px 2px rgba(#000, .08);
    transition: box-shadow .2s;

    &:hover {
      --box-shadow: hsla(var(--cd-color-3-h), var(--cd-color-3-s), var(--cd-color-3-l), 0.3);
      box-shadow: 0 1px 10px var(--box-shadow);
    }

    &:last-of-type {
      margin-bottom: 0;
    }
  }
}

.cd-faq__trigger {
  display: block;
  position: relative;
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--cd-color-2);

  @include breakpoint(md) {
    font-weight: 300;
    margin: 0;
    padding: var(--space-sm) var(--space-lg) var(--space-sm) var(--space-sm);

    span {
      font-size: var(--text-md);
    }

    &::before, &::after { // arrow icon on the right
      content: '';
      position: absolute;
      right: 24px;
      top: 50%;
      height: 2px;
      width: 13px;
      background: lightness(var(--cd-color-2), 1.3);
      backface-visibility: hidden;
      transition: transform .2s;
    }

    &::before {
      transform: rotate(45deg);
      right: 32px;
    }

    &::after {
      transform: rotate(-45deg);
    }

    .cd-faq__item-visible &::before {
      transform: rotate(-45deg);
    }

    .cd-faq__item-visible &::after {
      transform: rotate(45deg);
    }
  }
}

.cd-faq__content {
  .text-component {
    font-size: 0.95em;
  }

  p {
    color: var(--cd-color-3);
  }

  @include breakpoint(md) {
    display: none;
    padding: 0 var(--space-sm);
    overflow: hidden;

    .text-component {
      font-size: 0.75em;
      padding-bottom: var(--space-md);
    }
  }
}

.cd-faq__content--visible {
  display: block;
}

html:not(.js) .cd-faq__content {
  @include breakpoint(md) {
    display: block; // always display faq content
  }
}

.cd-faq__close-panel { // on small device -> x icon to close faqs panel
  position: fixed;
  z-index: 2;
  display: block;
  top: 5px;
  right: -40px;
  height: 40px;
  width: 40px;
  // Force Hardware Acceleration in WebKit
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: right .3s;

  &::before, &::after { // close icon in CSS
    content: '';
    position: absolute;
    top: 16px;
    left: 12px;
    display: inline-block;
    height: 3px;
    width: 18px;
    background: var(--cd-color-3);
  }

  &::before {
    transform: rotate(45deg);
  }

  &::after {
    transform: rotate(-45deg);
  }

  @include breakpoint(md) {
    display: none;
  }
}

.cd-faq__close-panel--move-left {
  right: var(--component-padding);
  transition-delay: 0.3s;
}

.cd-faq__overlay { // overlay visible on small devices when the right panel slides in
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: alpha(var(--cd-color-1), 0.8);
  visibility: hidden;
  opacity: 0;
  transition: opacity .3s, visibility .3s;

  @include breakpoint(md) {
    display: none;
  }
}

.cd-faq__overlay--is-visible {
  visibility: visible;
  opacity: 1;
}

// demo style
body {
  background-color: var(--color-contrast-lower);
}

.cd-header {
  --header-height: 180px;
  height: var(--header-height);
  background-color: var(--cd-color-2);

  h1 {
    font-size: var(--text-xl);
    font-weight: 300;
    color: var(--cd-color-4);
    @include fontSmooth;
  }

  @include breakpoint(lg) {
    --header-height: 240px;
  }
}

.cd-article-link {
  color: lightness(var(--cd-color-2), 0.5);
  font-size: var(--text-sm);
}