/* Course Categories: one list, drawn in the layout chosen in the block settings. */
ul.wp-block-academy-course-categories {
	--academy-cat-line: var(--academy-border-color, #e4e7ee);
	--academy-cat-accent: var(--academy-primary-color, #6c5ce7);
	--academy-cat-soft: color-mix(in srgb, var(--academy-cat-accent) 10%, transparent);
	--academy-cat-gap: var(--wp--style--block-gap, 1rem);
	display: grid;
	grid-template-columns: repeat(var(--academy-category-columns, 4), minmax(0, 1fr));
	gap: var(--academy-cat-gap);
	margin: 0;
	padding: 0;
	list-style: none;
}

@media (max-width: 781px) {
	ul.wp-block-academy-course-categories {
		grid-template-columns: repeat(min(2, var(--academy-category-columns, 4)), minmax(0, 1fr));
	}
}

@media (max-width: 480px) {
	ul.wp-block-academy-course-categories:not(.academy-categories--circles) {
		grid-template-columns: minmax(0, 1fr);
	}
}

.academy-course-categories__item {
	min-width: 0;
	margin: 0;
}

.academy-course-categories__link {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.6em;
	box-sizing: border-box;
	height: 100%;
	padding: 1.1em;
	border: 1px solid var(--academy-cat-line);
	border-radius: 12px;
	color: inherit;
	text-decoration: none;
	transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.academy-course-categories__link:hover,
.academy-course-categories__link:focus-visible {
	border-color: var(--academy-cat-accent);
}

.academy-course-categories__link:focus-visible {
	outline: 2px solid var(--academy-cat-accent);
	outline-offset: 2px;
}

.academy-course-categories__media {
	display: block;
	flex: none;
	overflow: hidden;
}

.academy-course-categories__image {
	display: block;
	width: 2.75em;
	height: 2.75em;
	max-width: 100%;
	border-radius: 10px;
	object-fit: cover;
}

.academy-course-categories__text {
	display: flex;
	flex-direction: column;
	gap: 0.2em;
	min-width: 0;
}

.academy-course-categories__name {
	font-weight: 600;
	line-height: 1.3;
	overflow-wrap: break-word;
	word-break: normal;
}

/* No picture: a tile in the category's colour with its first letter. */
.academy-course-categories__media.is-empty {
	display: flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	width: 2.75em;
	height: 2.75em;
	border-radius: 10px;
	background: color-mix(in srgb, var(--academy-cat-tone, var(--academy-cat-accent)) 14%, transparent);
	color: var(--academy-cat-tone, var(--academy-cat-accent));
}

.academy-course-categories__initial {
	font-size: 1.15em;
	font-weight: 700;
	line-height: 1;
}

.academy-course-categories__description {
	font-size: 0.875em;
	line-height: 1.45;
	opacity: 0.75;
}

.academy-course-categories__count {
	font-size: 0.8125em;
	opacity: 0.7;
}

.academy-course-categories__arrow {
	display: inline-flex;
	flex: none;
	margin-inline-start: auto;
	opacity: 0.5;
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.academy-course-categories__link:hover .academy-course-categories__arrow {
	opacity: 1;
	transform: translateX(3px);
}

/* Cards: an icon on a soft square, the name and count below. */
.academy-categories--cards .academy-course-categories__link:hover {
	box-shadow: 0 10px 24px -14px rgba(16, 24, 40, 0.3);
	transform: translateY(-2px);
}

.academy-categories--cards .academy-course-categories__media:not(.is-empty) {
	padding: 0.5em;
	border-radius: 12px;
	background: var(--academy-cat-soft);
}

.academy-categories--cards .academy-course-categories__image {
	width: 2.25em;
	height: 2.25em;
	border-radius: 8px;
}

/* Horizontal: icon beside the name, an arrow at the end. */
.academy-categories--horizontal .academy-course-categories__link {
	flex-direction: row;
	align-items: center;
	gap: 0.75em;
	padding: 0.85em 0.9em;
}

.academy-categories--horizontal .academy-course-categories__media:not(.is-empty) {
	padding: 0.35em;
	border-radius: 12px;
	background: var(--academy-cat-soft);
}

.academy-categories--horizontal .academy-course-categories__image {
	width: 2.25em;
	height: 2.25em;
	border-radius: 8px;
}

.academy-categories--horizontal .academy-course-categories__link:hover {
	background: var(--academy-cat-soft);
}

/* Image cards: a picture across the top, the details under it. */
.academy-categories--image-cards .academy-course-categories__link,
.academy-categories--carousel .academy-course-categories__link {
	gap: 0;
	overflow: hidden;
	padding: 0;
	background: var(--academy-surface-color, transparent);
}

.academy-categories--image-cards .academy-course-categories__media,
.academy-categories--carousel .academy-course-categories__media {
	width: 100%;
	aspect-ratio: 16 / 10;
}

.academy-categories--image-cards .academy-course-categories__image,
.academy-categories--carousel .academy-course-categories__image {
	width: 100%;
	height: 100%;
	border-radius: 0;
	transition: transform 0.3s ease;
}

.academy-categories--image-cards .academy-course-categories__text,
.academy-categories--carousel .academy-course-categories__text {
	padding: 0.9em 1em 1em;
}

.academy-categories--image-cards .academy-course-categories__link:hover,
.academy-categories--carousel .academy-course-categories__link:hover {
	box-shadow: 0 12px 28px -16px rgba(16, 24, 40, 0.35);
}

.academy-categories--image-cards .academy-course-categories__link:hover .academy-course-categories__image,
.academy-categories--carousel .academy-course-categories__link:hover .academy-course-categories__image {
	transform: scale(1.04);
}

/* Image tiles and Featured: the picture fills the tile, the name on top. */
.academy-categories--overlay .academy-course-categories__link,
.academy-categories--featured .academy-course-categories__link {
	position: relative;
	justify-content: flex-end;
	min-height: 170px;
	overflow: hidden;
	border: 0;
	background: var(--academy-cat-accent);
	color: #fff;
	isolation: isolate;
}

.academy-categories--overlay .academy-course-categories__media,
.academy-categories--featured .academy-course-categories__media {
	position: absolute;
	inset: 0;
	z-index: -2;
}

.academy-categories--overlay .academy-course-categories__image,
.academy-categories--featured .academy-course-categories__image {
	width: 100%;
	height: 100%;
	border-radius: 0;
	transition: transform 0.35s ease;
}

.academy-categories--overlay .academy-course-categories__link::before,
.academy-categories--featured .academy-course-categories__link::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.08) 70%);
}

.academy-categories--overlay .academy-course-categories__link:hover .academy-course-categories__image,
.academy-categories--featured .academy-course-categories__link:hover .academy-course-categories__image {
	transform: scale(1.05);
}

.academy-categories--overlay .academy-course-categories__name,
.academy-categories--featured .academy-course-categories__name {
	font-size: 1.1em;
}

.academy-categories--overlay .academy-course-categories__count,
.academy-categories--featured .academy-course-categories__count,
.academy-categories--overlay .academy-course-categories__description,
.academy-categories--featured .academy-course-categories__description {
	opacity: 0.88;
}

/* Image layouts without a picture: the tile itself takes the colour. */
.academy-categories--image-cards .academy-course-categories__media.is-empty,
.academy-categories--carousel .academy-course-categories__media.is-empty,
.academy-categories--circles .academy-course-categories__media.is-empty {
	width: 100%;
	height: auto;
	border-radius: 0;
	background:
		radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--academy-cat-tone) 22%, transparent) 0 28%, transparent 29%),
		color-mix(in srgb, var(--academy-cat-tone) 12%, transparent);
}

.academy-categories--image-cards .academy-course-categories__media.is-empty .academy-course-categories__initial,
.academy-categories--carousel .academy-course-categories__media.is-empty .academy-course-categories__initial {
	font-size: 3em;
}

.academy-categories--circles .academy-course-categories__media.is-empty {
	width: min(100%, 8em);
	border-radius: 50%;
	background: color-mix(in srgb, var(--academy-cat-tone) 14%, transparent);
}

.academy-categories--circles .academy-course-categories__media.is-empty .academy-course-categories__initial {
	font-size: 2.5em;
}

.academy-categories--overlay .academy-course-categories__media.is-empty,
.academy-categories--featured .academy-course-categories__media.is-empty {
	width: auto;
	height: auto;
	align-items: flex-start;
	justify-content: flex-end;
	padding: 0.2em 0.35em;
	border-radius: 0;
	background: linear-gradient(135deg, var(--academy-cat-tone), color-mix(in srgb, var(--academy-cat-tone) 55%, #111));
	color: #fff;
}

.academy-categories--overlay .academy-course-categories__media.is-empty .academy-course-categories__initial,
.academy-categories--featured .academy-course-categories__media.is-empty .academy-course-categories__initial {
	font-size: 4.5em;
	opacity: 0.22;
}

.academy-categories--overlay .academy-course-categories__link:has(.is-empty)::before,
.academy-categories--featured .academy-course-categories__link:has(.is-empty)::before {
	background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent 60%);
}

/* Featured: the most popular category takes a large tile. */
ul.wp-block-academy-course-categories.academy-categories--featured {
	grid-auto-rows: minmax(170px, auto);
	grid-auto-flow: dense;
}

.academy-categories--featured .academy-course-categories__item:first-child {
	grid-row: span 2;
	grid-column: span 2;
}

.academy-categories--featured .academy-course-categories__item:first-child .academy-course-categories__name {
	font-size: 1.5em;
}

.academy-categories--featured .academy-course-categories__item:first-child .academy-course-categories__initial {
	font-size: 9em;
}

@media (max-width: 480px) {
	.academy-categories--featured .academy-course-categories__item:first-child {
		grid-row: auto;
		grid-column: auto;
	}
}

/* Circles: round pictures with the name below, for a row of topics. */
.academy-categories--circles .academy-course-categories__link {
	align-items: center;
	padding: 0.5em;
	border: 0;
	text-align: center;
}

.academy-categories--circles .academy-course-categories__text {
	align-items: center;
}

.academy-categories--circles .academy-course-categories__media {
	width: min(100%, 8em);
	aspect-ratio: 1;
	border: 3px solid transparent;
	border-radius: 50%;
	transition: border-color 0.2s ease;
}

.academy-categories--circles .academy-course-categories__image {
	width: 100%;
	height: 100%;
	border-radius: 50%;
}

.academy-categories--circles .academy-course-categories__link:hover .academy-course-categories__media {
	border-color: var(--academy-cat-accent);
}

/* Carousel: one row that scrolls sideways, cards snapping into place. */
ul.wp-block-academy-course-categories.academy-categories--carousel {
	grid-template-columns: none;
	grid-auto-flow: column;
	grid-auto-columns: calc((100% - (var(--academy-category-columns, 4) - 1) * var(--academy-cat-gap)) / var(--academy-category-columns, 4));
	overflow-x: auto;
	padding-bottom: 0.75em;
	scroll-snap-type: x mandatory;
	scrollbar-width: thin;
	overscroll-behavior-x: contain;
}

.academy-categories--carousel .academy-course-categories__item {
	scroll-snap-align: start;
}

@media (max-width: 781px) {
	ul.wp-block-academy-course-categories.academy-categories--carousel {
		grid-auto-columns: 70%;
	}
}

/* Pills: a wrapping row of chips. */
ul.wp-block-academy-course-categories.academy-categories--pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.academy-categories--pills .academy-course-categories__link {
	flex-direction: row;
	align-items: center;
	gap: 0.5em;
	padding: 0.4em 0.9em 0.4em 0.45em;
	border-radius: 999px;
}

.academy-categories--pills .academy-course-categories__link:not(:has(.academy-course-categories__media)) {
	padding-inline-start: 0.9em;
}

.academy-categories--pills .academy-course-categories__text {
	flex-direction: row;
	align-items: baseline;
	gap: 0.35em;
}

.academy-categories--pills .academy-course-categories__media.is-empty {
	width: 1.75em;
	height: 1.75em;
	border-radius: 50%;
}

.academy-categories--pills .academy-course-categories__initial {
	font-size: 0.85em;
}

.academy-categories--pills .academy-course-categories__image {
	width: 1.75em;
	height: 1.75em;
	border-radius: 50%;
}

.academy-categories--pills .academy-course-categories__count::before {
	content: "·";
	margin-inline-end: 0.35em;
}

.academy-categories--pills .academy-course-categories__link:hover {
	background: var(--academy-cat-soft);
}

/* List: one row per category, the count at the end. */
ul.wp-block-academy-course-categories.academy-categories--list {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.academy-categories--list .academy-course-categories__link {
	flex-direction: row;
	align-items: center;
	gap: 0.75em;
	padding: 0.8em 0.25em;
	border: 0;
	border-bottom: 1px solid var(--academy-cat-line);
	border-radius: 0;
}

.academy-categories--list .academy-course-categories__media.is-empty {
	width: 2.25em;
	height: 2.25em;
	border-radius: 8px;
}

.academy-categories--list .academy-course-categories__image {
	width: 2.25em;
	height: 2.25em;
	border-radius: 8px;
}

.academy-categories--list .academy-course-categories__text {
	flex: 1;
	flex-direction: row;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	column-gap: 1em;
}

.academy-categories--list .academy-course-categories__description {
	flex-basis: 100%;
	order: 2;
}

.academy-categories--list .academy-course-categories__arrow {
	margin-inline-start: 0;
}

.academy-categories--list .academy-course-categories__link:hover .academy-course-categories__name {
	color: var(--academy-cat-accent);
}

@media (prefers-reduced-motion: reduce) {
	.academy-course-categories__link,
	.academy-course-categories__image,
	.academy-course-categories__arrow {
		transition: none;
	}

	.academy-course-categories__link:hover {
		transform: none;
	}
}