/**
 * ch/product-category-nav — frontend styles.
 *
 * Two layouts: vertical (default) + horizontal (with four variants).
 * All visuals are token-driven where the host theme provides them; the
 * fallbacks below keep the block usable on any theme.
 */

/* ---------------------------------------------------------------------------
 * Shared
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav__list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.wp-block-ch-product-category-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 0.625rem;
	color: inherit;
	text-decoration: none;
	font-weight: 500;
	box-sizing: border-box;
}

.wp-block-ch-product-category-nav__item {
	box-sizing: border-box;
}

.wp-block-ch-product-category-nav__link:hover,
.wp-block-ch-product-category-nav__item.is-active > .wp-block-ch-product-category-nav__link {
	text-decoration: underline;
}

.wp-block-ch-product-category-nav__count {
	color: rgba(0, 0, 0, 0.5);
	font-weight: 400;
}

.wp-block-ch-product-category-nav__thumb {
	display: block;
	width: 36px;
	height: 36px;
	object-fit: contain;
	background: rgba(0, 0, 0, 0.04);
	border-radius: 4px;
	flex-shrink: 0;
}

/* Placeholder shown when a category has no term thumbnail set, keeps
 * cell heights visually consistent with categories that do have one. */
.wp-block-ch-product-category-nav__thumb-placeholder {
	display: block;
	width: 36px;
	height: 36px;
	background: rgba(0, 0, 0, 0.04);
	border-radius: 4px;
	flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
 * Vertical (default — backward compatible with v1.0.0)
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav__back {
	display: inline-flex;
	align-items: center;
	gap: 0.2em;
	font-size: var(--wp--preset--font-size--body-sm, 0.875rem);
	color: var(--wp--preset--color--dark-grey, rgba(0, 0, 0, 0.55));
	text-decoration: none;
	margin-bottom: 0.5rem;
}

.wp-block-ch-product-category-nav__back:hover {
	text-decoration: underline;
}

.wp-block-ch-product-category-nav.is-layout-vertical .wp-block-ch-product-category-nav__list > .wp-block-ch-product-category-nav__item {
	display: block;
}

.wp-block-ch-product-category-nav.is-layout-vertical .wp-block-ch-product-category-nav__link {
	display: block;
	padding: 0.35rem 0;
}

/* ---------------------------------------------------------------------------
 * Horizontal — shared
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal {
	width: 100%;
}

.wp-block-ch-product-category-nav.is-layout-horizontal .wp-block-ch-product-category-nav__list {
	display: flex;
	flex-direction: row;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scrollbar-width: none;
	-webkit-overflow-scrolling: touch;
}

.wp-block-ch-product-category-nav.is-layout-horizontal .wp-block-ch-product-category-nav__list::-webkit-scrollbar {
	display: none;
}

.wp-block-ch-product-category-nav.is-layout-horizontal .wp-block-ch-product-category-nav__item {
	scroll-snap-align: start;
	flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
 * Variant: thumbnails — equal-width cells with 1px borders + thumbnail
 * (Mammut-style row above the grid).
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__list {
	border: 1px solid var(--wp--preset--color--light-grey, #e5e5e5);
	border-radius: var(--wp--custom--border-radius--xs, 4px);
	background: var(--wp--preset--color--white, #fff);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__item {
	min-width: 150px;
	border-right: 1px solid var(--wp--preset--color--light-grey, #e5e5e5);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__item:last-child {
	border-right: 0;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__link {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	padding: 0.375rem 0.75rem;
	width: 100%;
	min-height: 48px;
	color: var(--wp--preset--color--black, #101012);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__link:hover {
	text-decoration: none;
	background: var(--wp--preset--color--lightest-grey, #fafafa);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__item.is-view-all {
	min-width: 110px;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__item.is-view-all .wp-block-ch-product-category-nav__link {
	justify-content: center;
	font-weight: 700;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__item.is-active {
	background: var(--wp--preset--color--lightest-grey, #fafafa);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails .wp-block-ch-product-category-nav__label {
	font-size: var(--wp--preset--font-size--body-sm, 0.875rem);
	font-weight: 600;
	line-height: 1.2;
}


/* ---------------------------------------------------------------------------
 * Modifier: is-wrap (horizontal layouts) — items wrap onto multiple lines
 * instead of scrolling. For thumbnails: the outer frame moves onto each
 * cell (own 1px border + radius), 4px gaps, no minimum cell width.
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal.is-wrap .wp-block-ch-product-category-nav__list {
	flex-wrap: wrap;
	overflow-x: visible;
	scroll-snap-type: none;
	gap: 4px;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-wrap .wp-block-ch-product-category-nav__item {
	flex-shrink: 1;
	scroll-snap-align: none;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails.is-wrap .wp-block-ch-product-category-nav__list {
	border: 0;
	border-radius: 0;
	background: none;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails.is-wrap .wp-block-ch-product-category-nav__item,
.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails.is-wrap .wp-block-ch-product-category-nav__item:last-child {
	min-width: 0;
	border: 1px solid var(--wp--preset--color--light-grey, #e5e5e5);
	border-radius: var(--wp--custom--border-radius--xs, 4px);
	background: var(--wp--preset--color--white, #fff);
	overflow: hidden; /* clip the link's square hover bg to the cell radius */
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-thumbnails.is-wrap .wp-block-ch-product-category-nav__item.is-active {
	background: var(--wp--preset--color--lightest-grey, #fafafa);
}

/* ---------------------------------------------------------------------------
 * Variant: pills
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-pills .wp-block-ch-product-category-nav__list {
	gap: 0.5rem;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-pills .wp-block-ch-product-category-nav__link {
	padding: 0.5rem 1rem;
	background: rgba(0, 0, 0, 0.06);
	color: inherit;
	border-radius: 9999px;
	font-size: var(--wp--preset--font-size--body-sm, 0.875rem);
	transition: background-color 0.2s ease;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-pills .wp-block-ch-product-category-nav__link:hover,
.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-pills .wp-block-ch-product-category-nav__item.is-active > .wp-block-ch-product-category-nav__link {
	background: var(--wp--preset--color--original-blue, #0071ce);
	color: var(--wp--preset--color--white, #fff);
	text-decoration: none;
}

/* ---------------------------------------------------------------------------
 * Variant: tabs — underline active style
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-tabs .wp-block-ch-product-category-nav__list {
	gap: 1.5rem;
	border-bottom: 1px solid var(--wp--preset--color--light-grey, #e5e5e5);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-tabs .wp-block-ch-product-category-nav__link {
	padding: 0.625rem 0;
	border-bottom: 2px solid transparent;
	color: inherit;
	font-size: var(--wp--preset--font-size--body, 1rem);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-tabs .wp-block-ch-product-category-nav__link:hover {
	text-decoration: none;
	color: var(--wp--preset--color--original-blue, #0071ce);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-tabs .wp-block-ch-product-category-nav__item.is-active > .wp-block-ch-product-category-nav__link {
	border-bottom-color: currentColor;
	font-weight: 600;
}

/* ---------------------------------------------------------------------------
 * Variant: list — inline links separated by dots
 * -------------------------------------------------------------------------*/

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-list .wp-block-ch-product-category-nav__list {
	flex-wrap: wrap;
	gap: 0;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-list .wp-block-ch-product-category-nav__item {
	display: inline-flex;
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-list .wp-block-ch-product-category-nav__item + .wp-block-ch-product-category-nav__item::before {
	content: "\00B7"; /* middle dot — ASCII-escape: raw UTF-8 in content: renders as "·" when the sheet is served without charset */
	display: inline-flex;
	align-items: center;
	padding: 0 0.625rem;
	color: rgba(0, 0, 0, 0.4);
}

.wp-block-ch-product-category-nav.is-layout-horizontal.is-variant-list .wp-block-ch-product-category-nav__link {
	padding: 0.25rem 0;
	font-size: var(--wp--preset--font-size--body-sm, 0.875rem);
}

@media (prefers-reduced-motion: reduce) {
	.wp-block-ch-product-category-nav .wp-block-ch-product-category-nav__link {
		transition: none;
	}
}