/**
 * Free Gallery Widget — frontend styles.
 *
 * Prefix: my-gallery-
 *
 * @package FGW
 */

/* Visually hidden live region (WordPress core class when theme supports it) */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

/* -------------------------------------------------------------------------
   Root & items container
   ------------------------------------------------------------------------- */

.my-gallery-widget {
	--fgw-gap: 16px;
	--fgw-cols: 3;
	--fgw-hover-scale: 1.08;
	--fgw-hover-nudge: 8px;
	--fgw-row-height: 180px;
	position: relative;
	width: 100%;
	max-width: 100%;
}

.my-gallery-widget__filters {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	margin-bottom: var(--fgw-gap);
	gap: 8px;
}

.my-gallery-widget__filter-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	border: 1px solid rgba(0, 0, 0, 0.12);
	background: transparent;
	border-radius: 4px;
	font: inherit;
	line-height: 1.4;
	min-height: 44px;
	min-width: 44px;
	padding: 0.35em 0.75em;
	box-sizing: border-box;
	transition: background-color 0.25s cubic-bezier(0.22, 1, 0.36, 1),
		color 0.25s cubic-bezier(0.22, 1, 0.36, 1),
		opacity 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.my-gallery-widget__filter-btn:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

.my-gallery-widget__filter-btn.is-active {
	font-weight: 600;
}

/* -------------------------------------------------------------------------
   Items: grid (default)
   ------------------------------------------------------------------------- */

.my-gallery-widget--layout-grid .my-gallery-widget__items {
	display: grid;
	grid-template-columns: repeat(var(--fgw-cols), minmax(min(100%, 140px), 1fr));
	gap: var(--fgw-gap);
	align-items: stretch;
}

/* Masonry & justified: JS sets dimensions — block layout so themes using flex/grid on columns cannot break packing */

.my-gallery-widget--layout-masonry .my-gallery-widget__items {
	display: block !important;
	position: relative;
	width: 100%;
	min-height: 40px;
}

.my-gallery-widget--layout-justified .my-gallery-widget__items {
	position: relative;
	display: block !important;
	width: 100%;
	min-height: 40px;
}

/* -------------------------------------------------------------------------
   Item shell
   ------------------------------------------------------------------------- */

.my-gallery-item {
	box-sizing: border-box;
	min-width: 0;
}

.my-gallery-widget--layout-grid .my-gallery-item {
	display: flex;
}

.my-gallery-widget--layout-masonry .my-gallery-item,
.my-gallery-widget--layout-justified .my-gallery-item {
	position: absolute;
	top: 0;
	left: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.my-gallery-item__inner {
	position: relative;
	overflow: hidden;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.02);
}

.my-gallery-widget--layout-masonry .my-gallery-item__inner {
	height: auto;
	min-height: 0;
	overflow: visible;
}

.my-gallery-widget--layout-grid .my-gallery-item__inner {
	display: flex;
	flex-direction: column;
	height: 100%;
}

.my-gallery-item__figure {
	margin: 0;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.my-gallery-widget--layout-masonry .my-gallery-item__figure {
	display: block;
	height: auto;
	min-height: 0;
}

.my-gallery-item__media {
	position: relative;
	overflow: hidden;
	flex: 1 1 auto;
	min-height: 0;
}

.my-gallery-widget--layout-grid .my-gallery-item__media {
	aspect-ratio: 4 / 3;
}

.my-gallery-widget--layout-masonry .my-gallery-item__media {
	display: block;
	flex: none;
	height: auto;
	min-height: auto;
	width: 100%;
	overflow: visible;
}

.my-gallery-widget--layout-justified .my-gallery-item__media {
	height: 100%;
}

.my-gallery-item__link {
	display: block;
	height: 100%;
	width: 100%;
}

.my-gallery-widget--layout-masonry .my-gallery-item__link {
	height: auto;
}

.my-gallery-item__link:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

.my-gallery-item__img {
	display: block;
	width: 100%;
	height: 100%;
	object-position: center center;
	transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
		opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1);
	will-change: transform;
}

.my-gallery-widget--fit-cover .my-gallery-item__img {
	object-fit: cover;
}

.my-gallery-widget--fit-contain .my-gallery-item__img {
	object-fit: contain;
}

/* Masonry: natural height at column width */
.my-gallery-widget--layout-masonry .my-gallery-item__img {
	width: 100%;
	height: auto;
	max-width: 100%;
	display: block;
}

/* -------------------------------------------------------------------------
   Filtered out
   ------------------------------------------------------------------------- */

.my-gallery-item.is-filtered-out {
	display: none !important;
}

/* -------------------------------------------------------------------------
   Hover motion (transform + opacity only)
   ------------------------------------------------------------------------- */

.my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-item__link:hover .my-gallery-item__img {
	transform: none;
}

.my-gallery-widget--hover-zoom-in .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-zoom-in .my-gallery-item__link:hover .my-gallery-item__img {
	transform: scale(var(--fgw-hover-scale, 1.08));
}

.my-gallery-widget--hover-zoom-out .my-gallery-item__img {
	transform: scale(var(--fgw-hover-scale, 1.08));
}

.my-gallery-widget--hover-zoom-out .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-zoom-out .my-gallery-item__link:hover .my-gallery-item__img {
	transform: scale(1);
}

.my-gallery-widget--hover-move-up .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-move-up .my-gallery-item__link:hover .my-gallery-item__img {
	transform: translateY(calc(-1 * var(--fgw-hover-nudge, 8px)));
}

.my-gallery-widget--hover-move-down .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-move-down .my-gallery-item__link:hover .my-gallery-item__img {
	transform: translateY(var(--fgw-hover-nudge, 8px));
}

.my-gallery-widget--hover-move-left .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-move-left .my-gallery-item__link:hover .my-gallery-item__img {
	transform: translateX(calc(-1 * var(--fgw-hover-nudge, 8px)));
}

.my-gallery-widget--hover-move-right .my-gallery-item__media:hover .my-gallery-item__img,
.my-gallery-widget--hover-move-right .my-gallery-item__link:hover .my-gallery-item__img {
	transform: translateX(var(--fgw-hover-nudge, 8px));
}

/* -------------------------------------------------------------------------
   Caption
   ------------------------------------------------------------------------- */

.my-gallery-item__caption {
	margin: 0;
	padding: 0.5rem 0.75rem;
	font-size: 0.875rem;
	line-height: 1.5;
	flex-shrink: 0;
}

/* -------------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
	.my-gallery-item__img,
	.my-gallery-widget__filter-btn {
		transition: none;
	}
}

/* -------------------------------------------------------------------------
   Narrow viewports
   ------------------------------------------------------------------------- */

@media (max-width: 480px) {
	.my-gallery-widget__filters {
		flex-direction: column;
		align-items: stretch;
	}

	.my-gallery-widget__filter-btn {
		width: 100%;
		justify-content: center;
	}
}