/* ==================== PHOTO GALLERY (gallery style «Фотогалерея (кладка)», page /gallery/) ==================== */

/* Markup — webmaster_render_photo_masonry() (inc/gallery.php):
   div.photo-masonry[data-photo-masonry][data-lightbox] > figure.photo-masonry__item > a.photo-masonry__link > img + figcaption.
   Without JS — CSS columns (order top-to-bottom). assets/photo-masonry.js adds .is-masonry: grid of 1px rows,
   each item gets grid-row-end: span <height + gap>, so photos go left-to-right into the shortest column.
   Click — lightbox (assets/lightbox.js). Sizes — --gallery-*. */

.photo-masonry{
	columns: var(--gallery-cols);
	column-gap: var(--gallery-gap);
}

.photo-masonry .photo-masonry__item{
	display: flex;
	flex-direction: column;
	margin: 0 0 var(--gallery-gap);
	break-inside: avoid;
}

.photo-masonry.is-masonry{
	display: grid;
	grid-template-columns: repeat(var(--gallery-cols), minmax(0, 1fr));
	grid-auto-rows: 1px;
	column-gap: var(--gallery-gap);
	row-gap: 0;
	columns: auto;
}

/* In the grid the bottom gap is part of the row span (photo-masonry.js). */
.photo-masonry.is-masonry .photo-masonry__item{
	align-self: start;
	margin: 0;
}

.photo-masonry .photo-masonry__link{
	position: relative;
	display: block;
	overflow: hidden;
	border-radius: var(--gallery-radius);
	background: var(--color-border);
	cursor: zoom-in;
}

.photo-masonry .photo-masonry__link::after{
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, .35) url(../icon-zoom.svg) center / var(--gallery-zoom-size) no-repeat;
	opacity: 0;
	transition: opacity .3s;
}

.photo-masonry .photo-masonry__link:hover::after,
.photo-masonry .photo-masonry__link:focus-visible::after{
	opacity: 1;
}

.photo-masonry .photo-masonry__image{
	display: block;
	width: 100%;
	height: auto;
	transition: transform .3s;
}

.photo-masonry .photo-masonry__link:hover .photo-masonry__image{
	transform: scale(1.04);
}

.photo-masonry .photo-masonry__caption{
	margin: var(--gallery-caption-gap) 0 0;
	font-size: var(--gallery-caption-size);
	line-height: 1.25;
	text-align: center;
	color: var(--color-text);
}

@media (hover: none){
	.photo-masonry .photo-masonry__link::after{
		display: none;
	}
}