/* Grid Gallery — frontend styles */

.grid-gallery {
	--grid-gallery-gap: 12px;
	box-sizing: border-box;
	width: 100%;
	margin: 0 0 1.5em;
}

.grid-gallery *,
.grid-gallery *::before,
.grid-gallery *::after {
	box-sizing: border-box;
}

/* Grid layout */
.grid-gallery__grid {
	display: grid;
	gap: var(--grid-gallery-gap);
}

.grid-gallery--cols-2 .grid-gallery__grid { grid-template-columns: repeat(2, 1fr); }
.grid-gallery--cols-3 .grid-gallery__grid { grid-template-columns: repeat(3, 1fr); }
.grid-gallery--cols-4 .grid-gallery__grid { grid-template-columns: repeat(4, 1fr); }
.grid-gallery--cols-5 .grid-gallery__grid { grid-template-columns: repeat(5, 1fr); }
.grid-gallery--cols-6 .grid-gallery__grid { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 900px) {
	.grid-gallery--cols-5 .grid-gallery__grid,
	.grid-gallery--cols-6 .grid-gallery__grid {
		grid-template-columns: repeat(3, 1fr);
	}
	.grid-gallery--cols-4 .grid-gallery__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (max-width: 600px) {
	.grid-gallery--cols-3 .grid-gallery__grid,
	.grid-gallery--cols-4 .grid-gallery__grid,
	.grid-gallery--cols-5 .grid-gallery__grid,
	.grid-gallery--cols-6 .grid-gallery__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Items */
.grid-gallery__item {
	position: relative;
	overflow: hidden;
	background: #f3f3f3;
	border-radius: 4px;
}

.grid-gallery--ratio-square .grid-gallery__item { aspect-ratio: 1 / 1; }
.grid-gallery--ratio-landscape .grid-gallery__item { aspect-ratio: 4 / 3; }
.grid-gallery--ratio-original .grid-gallery__item { aspect-ratio: auto; }

.grid-gallery__item img,
.grid-gallery__link {
	display: block;
	width: 100%;
	height: 100%;
}

.grid-gallery__item img {
	object-fit: cover;
	transition: transform 0.4s ease, opacity 0.3s ease;
}

.grid-gallery--ratio-original .grid-gallery__item img {
	height: auto;
}

/* Hover effects */
.grid-gallery--hover-zoom .grid-gallery__item:hover img {
	transform: scale(1.08);
}

.grid-gallery--hover-fade .grid-gallery__item:hover img {
	opacity: 0.75;
}

.grid-gallery--hover-overlay .grid-gallery__item::after {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0);
	transition: background 0.3s ease;
	pointer-events: none;
}

.grid-gallery--hover-overlay .grid-gallery__item:hover::after {
	background: rgba(0, 0, 0, 0.35);
}

/* Pagination */
.grid-gallery__pagination {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	justify-content: center;
	margin-top: 1.25em;
	font-size: 0.9em;
}

.grid-gallery__pagination button,
.grid-gallery__pagination a {
	display: inline-block;
	padding: 6px 12px;
	border: 1px solid #ccc;
	background: #fff;
	color: inherit;
	cursor: pointer;
	border-radius: 3px;
	text-decoration: none;
	font: inherit;
	line-height: 1.2;
}

.grid-gallery__pagination button:hover,
.grid-gallery__pagination a:hover {
	background: #f3f3f3;
}

.grid-gallery__pagination button[disabled],
.grid-gallery__pagination .is-disabled {
	opacity: 0.5;
	cursor: not-allowed;
	pointer-events: none;
}

.grid-gallery__page-numbers {
	display: inline-flex;
	flex-wrap: wrap;
	gap: 4px;
}

.grid-gallery__page-num.is-current {
	background: #2271b1;
	color: #fff;
	border-color: #2271b1;
}

.grid-gallery__page-info {
	width: 100%;
	text-align: center;
	color: #555;
	margin-top: 4px;
}

/* Loading state */
.grid-gallery.is-loading .grid-gallery__grid {
	opacity: 0.5;
	pointer-events: none;
	transition: opacity 0.2s ease;
}

/* Lightbox */
.grid-gallery__lightbox {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.92);
	z-index: 99999;
	display: none;
	align-items: center;
	justify-content: center;
	padding: 24px;
}

.grid-gallery__lightbox.is-open {
	display: flex;
}

.grid-gallery__lightbox-figure {
	max-width: 95vw;
	max-height: 95vh;
	margin: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
}

.grid-gallery__lightbox-img {
	max-width: 95vw;
	max-height: 85vh;
	object-fit: contain;
	display: block;
}

.grid-gallery__lightbox-caption {
	color: #ddd;
	font-size: 0.9em;
	text-align: center;
	max-width: 80ch;
}

.grid-gallery__lightbox-caption:empty {
	display: none;
}

.grid-gallery__lightbox-close,
.grid-gallery__lightbox-prev,
.grid-gallery__lightbox-next {
	position: absolute;
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
	border: 0;
	font-size: 32px;
	line-height: 1;
	cursor: pointer;
	padding: 10px 16px;
	border-radius: 4px;
	transition: background 0.2s ease;
}

.grid-gallery__lightbox-close:hover,
.grid-gallery__lightbox-prev:hover,
.grid-gallery__lightbox-next:hover {
	background: rgba(255, 255, 255, 0.25);
}

.grid-gallery__lightbox-close { top: 16px; right: 16px; font-size: 28px; }
.grid-gallery__lightbox-prev  { left: 16px; top: 50%; transform: translateY(-50%); }
.grid-gallery__lightbox-next  { right: 16px; top: 50%; transform: translateY(-50%); }

@media (max-width: 600px) {
	.grid-gallery__lightbox-prev,
	.grid-gallery__lightbox-next {
		bottom: 16px;
		top: auto;
		transform: none;
	}
	.grid-gallery__lightbox-prev { left: 16px; }
	.grid-gallery__lightbox-next { right: 16px; }
}

.grid-gallery--empty {
	padding: 1em;
	color: #777;
	text-align: center;
	border: 1px dashed #ccc;
	border-radius: 4px;
}