@layer gallery, site;

@layer gallery {
	:root {
		--gallery-gap: 4px;
		--gallery-max-image-height: 35vh;
		--gallery-row-height: min(18rem, var(--gallery-max-image-height));
		--gallery-background: #151719;
		--gallery-surface: #202427;
		--gallery-text: #f5f4f0;
		--gallery-muted: #bfc6ca;
		--gallery-accent: #e3c79e;
		--gallery-radius: 0;
		--gallery-overlay: rgb(0 0 0 / 55%);
		--gallery-overlay-ink: #fff;
		--gallery-label-inset: 0.75rem;
	}

	.gallery-page {
		color: var(--gallery-text);
		background: var(--gallery-background);
		font-family: system-ui, sans-serif;
		line-height: 1.5;
		overflow-x: hidden;
		overflow-x: clip;
	}

	.gallery-body {
		margin: 0;
		min-block-size: 100vh;
		min-block-size: 100dvh;
	}

	.gallery-main {
		overflow-x: clip;
	}

	.gallery-main,
	.gallery-document {
		inline-size: 100%;
		min-block-size: 100vh;
		min-block-size: 100dvh;
		margin: 0;
		padding: 0;
	}

	.gallery-footer {
		padding: 1rem max(1rem, env(safe-area-inset-right)) 1rem max(1rem, env(safe-area-inset-left));
		color: var(--gallery-muted);
	}

	.gallery-footer :is(p, ul) {
		margin: 0 0 0.5rem;
		padding: 0;
	}

	.gallery-footer ul {
		display: flex;
		flex-wrap: wrap;
		gap: 0.25rem 1rem;
		list-style: none;
	}

	.gallery-footer a {
		color: inherit;
	}

	.gallery,
	.gallery * {
		box-sizing: border-box;
		min-inline-size: 0;
	}

	.gallery {
		inline-size: 100%;
		margin: 0;
	}

	.gallery :is(img, video, iframe) {
		max-inline-size: 100%;
	}

	.gallery-card--markdown :is(pre, code),
	.gallery-description :is(pre, code) {
		white-space: pre-wrap;
		overflow-wrap: anywhere;
	}

	.gallery-card--markdown table,
	.gallery-description table {
		inline-size: 100%;
		table-layout: fixed;
	}

	.gallery-title {
		margin: 0;
		padding: 0.5rem max(1rem, env(safe-area-inset-right)) 0.5rem max(1rem, env(safe-area-inset-left));
		font-size: clamp(1.25rem, 2.5vw, 1.75rem);
		font-weight: 500;
		line-height: 1.2;
		letter-spacing: -0.01em;
		overflow-wrap: anywhere;
	}

	.gallery-grid,
	.gallery-list {
		display: flex;
		flex-wrap: wrap;
		align-items: flex-start;
		gap: var(--gallery-gap);
		margin: 0;
		padding: 0;
		list-style: none;
	}

	.gallery-navigation {
		margin-block-end: var(--gallery-gap);
	}

	.gallery-card {
		position: relative;
		flex: var(--picture-ratio, 1) 1 calc(var(--gallery-row-height) * var(--picture-ratio, 1));
		max-inline-size: 100%;
		margin: 0;
		border-radius: var(--gallery-radius);
		background: var(--gallery-surface);
		isolation: isolate;
	}

	.gallery-card__link {
		display: block;
		color: inherit;
		text-decoration: none;
		overflow-wrap: anywhere;
		border-radius: inherit;
	}

	.gallery-card__link:focus-visible {
		outline: 3px solid var(--gallery-accent);
		outline-offset: -3px;
	}

	.gallery-card__image {
		display: block;
		inline-size: 100%;
		block-size: auto;
		border-radius: inherit;
	}

	.gallery-card__caption {
		position: absolute;
		z-index: 1;
		inset-block-end: var(--gallery-label-inset);
		inset-inline-start: 0;
		max-inline-size: calc(100% - var(--gallery-label-inset));
		padding: 0.3rem 0.75rem;
		border-start-end-radius: 0.25rem;
		border-end-end-radius: 0.25rem;
		background: var(--gallery-overlay);
		color: var(--gallery-overlay-ink);
		box-shadow: 0 2px 6px rgb(0 0 0 / 30%);
		font-size: 1rem;
		line-height: 1.3;
		overflow-wrap: anywhere;
		pointer-events: none;
	}

	.gallery-card__title {
		display: block;
		font-weight: 600;
	}

	.gallery-card__description {
		margin: 0.25rem 0 0;
		font-size: 0.875em;
	}

	.gallery-card__status {
		--gallery-status-tint: rgb(0 0 0);
		position: absolute;
		z-index: 1;
		inset-block-start: var(--gallery-label-inset);
		inset-inline-end: 0;
		max-inline-size: calc(100% - var(--gallery-label-inset));
		padding: 0.3rem 0.75rem;
		border-start-start-radius: 0.25rem;
		border-end-start-radius: 0.25rem;
		background: color-mix(in srgb, var(--gallery-status-tint) 70%, transparent);
		-webkit-backdrop-filter: blur(10px) saturate(1.6);
		backdrop-filter: blur(10px) saturate(1.6);
		box-shadow: 0 2px 6px rgb(0 0 0 / 30%);
		color: #fff;
		font-size: 1rem;
		line-height: 1.3;
		pointer-events: none;
	}

	.gallery-grid--galleries {
		display: grid;
		grid-template-columns: repeat(auto-fill, minmax(min(var(--gallery-row-height), 100%), 1fr));
	}

	.gallery-card--gallery .gallery-card__image {
		aspect-ratio: 1;
		object-fit: cover;
	}

	.gallery-card--gallery:not(.gallery-card--picture) .gallery-card__link {
		padding: 1.25rem;
		min-block-size: 3rem;
		font-weight: 600;
	}

	.gallery-card--markdown {
		flex: 0 0 100%;
		padding: 0.5rem max(1rem, env(safe-area-inset-right)) 0.5rem max(1rem, env(safe-area-inset-left));
		background: none;
		overflow-wrap: anywhere;
	}

	.gallery-hero {
		position: relative;
		inline-size: 100%;
		margin: 0 0 var(--gallery-gap);
	}

	.gallery-hero__image {
		display: block;
		inline-size: 100%;
		block-size: auto;
		margin-inline: auto;
	}

	.gallery-description {
		padding: 0.5rem max(1rem, env(safe-area-inset-right)) 0.5rem max(1rem, env(safe-area-inset-left));
		overflow-wrap: anywhere;
	}

	.gallery-row {
		display: flex;
		align-items: flex-start;
		gap: var(--gallery-gap);
		flex: 0 0 100%;
		inline-size: 100%;
	}

	.gallery-row > .gallery-card {
		flex: var(--picture-ratio, 1) 1 0;
	}

	.gallery-viewer-open {
		overflow: hidden;
	}

	.gallery-viewer {
		--viewer-background: #000;
		--viewer-ink: #fff;
		--viewer-liked: #e5484d;
		--viewer-control: 3rem;
		--viewer-icon: 1.75rem;
		--viewer-inset: 0.5rem;
		position: fixed;
		inset: 0;
		z-index: 1000;
		overflow: hidden;
		background: var(--viewer-background);
		touch-action: pinch-zoom;
		overscroll-behavior: contain;
		user-select: none;
		-webkit-user-select: none;
	}

	.gallery-viewer[hidden] {
		display: none;
	}

	.gallery-viewer[data-slideshow] {
		cursor: none;
	}

	.gallery-viewer[data-slideshow] .gallery-viewer__controls,
	.gallery-viewer[data-bare] .gallery-viewer__controls {
		visibility: hidden;
	}

	.gallery-viewer__blur {
		position: absolute;
		display: none;
		filter: blur(40px) saturate(1.2);
	}

	.gallery-viewer[data-backdrop] .gallery-viewer__blur {
		display: block;
	}

	.gallery-viewer[data-backdrop] .gallery-viewer__icon {
		filter: drop-shadow(0 0 2px rgb(0 0 0 / 70%));
	}

	.gallery-viewer[data-backdrop] .gallery-viewer__sheet {
		box-shadow: none;
	}

	.gallery-viewer__sheet {
		--viewer-rotation: 0deg;
		--viewer-offset: 0px;
		position: absolute;
		inset-block-start: calc((100% + var(--viewer-stripe-top, 0px)) / 2);
		inset-inline-start: calc((100% - var(--viewer-stripe, 0px)) / 2);
		box-shadow:
			0 -1.25rem 1.5rem -1rem rgb(0 0 0 / 70%),
			0 1.25rem 1.5rem -1rem rgb(0 0 0 / 70%);
		/* The pre-rotation box can exceed the viewer, so centre by its own size, not by alignment. */
		transform: translate(-50%, -50%) rotate(var(--viewer-rotation)) translateY(var(--viewer-offset));
	}

	.gallery-viewer[data-transition="animating"] .gallery-viewer__sheet {
		transition: transform 380ms cubic-bezier(0.2, 0.8, 0.2, 1);
	}

	.gallery-viewer__sheet[data-rotated="true"] {
		--viewer-rotation: -90deg;
	}

	.gallery-viewer__sheet--below {
		--viewer-offset: 100vmax;
	}

	.gallery-viewer__sheet--above {
		--viewer-offset: -100vmax;
	}

	.gallery-viewer__image {
		display: block;
		inline-size: 100%;
		block-size: 100%;
		object-fit: contain;
	}

	.gallery-viewer__controls {
		position: absolute;
		z-index: 1;
		inset-block-end: max(var(--viewer-inset), env(safe-area-inset-bottom));
		inset-inline-end: max(var(--viewer-inset), env(safe-area-inset-right));
		display: flex;
		flex-direction: column-reverse;
		gap: var(--viewer-inset);
	}

	.gallery-viewer__control {
		display: grid;
		place-items: center;
		inline-size: var(--viewer-control);
		block-size: var(--viewer-control);
		border: 0;
		padding: 0;
		background: var(--gallery-overlay);
		color: var(--viewer-ink);
		font: inherit;
		text-decoration: none;
		cursor: pointer;
	}

	.gallery-viewer__control[hidden] {
		display: none;
	}

	.gallery-viewer[data-backdrop] .gallery-viewer__control {
		background: transparent;
	}

	.gallery-viewer__control:disabled {
		opacity: 0.35;
		cursor: default;
	}

	.gallery-viewer__control:focus-visible {
		outline: 3px solid var(--gallery-accent);
		outline-offset: -3px;
	}

	.gallery-viewer__icon {
		display: block;
		inline-size: var(--viewer-icon);
		block-size: var(--viewer-icon);
		fill: none;
		stroke: currentColor;
		stroke-width: 3;
		stroke-linecap: round;
		stroke-linejoin: round;
	}

	.gallery-viewer[data-rotated="true"] .gallery-viewer__step .gallery-viewer__icon {
		rotate: -90deg;
	}

	.gallery-viewer__like[aria-pressed="true"] {
		color: var(--viewer-liked);
	}

	.gallery-viewer__like[aria-pressed="true"] .gallery-viewer__icon {
		fill: currentColor;
	}

	@media (orientation: portrait) {
		.gallery-viewer__controls {
			flex-direction: row-reverse;
			max-inline-size: calc(100% - 2 * var(--viewer-inset));
		}

		.gallery-viewer__control {
			flex: 0 1 var(--viewer-control);
			min-inline-size: 0;
		}

		.gallery-viewer__close {
			position: fixed;
			inset-block-start: max(var(--viewer-inset), env(safe-area-inset-top));
			inset-inline-end: max(var(--viewer-inset), env(safe-area-inset-right));
		}

		/* A rotated picture brings the landscape toolbar with it, turned the same quarter-turn. */
		.gallery-viewer[data-rotated="true"] .gallery-viewer__controls {
			inset-block: 0 auto;
			inset-inline: 0;
			max-inline-size: none;
			gap: 0;
			padding-block-start: env(safe-area-inset-top);
			padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
			background: var(--gallery-overlay);
		}

		.gallery-viewer[data-rotated="true"][data-backdrop] .gallery-viewer__controls,
		.gallery-viewer[data-rotated="true"] .gallery-viewer__control {
			background: transparent;
		}

		.gallery-viewer[data-rotated="true"] .gallery-viewer__close {
			position: static;
			margin-inline-end: auto;
		}

		.gallery-viewer[data-rotated="true"] .gallery-viewer__icon {
			rotate: -90deg;
		}
	}

	@media (orientation: landscape) {
		.gallery-viewer__controls {
			inset-block: 0;
			inset-inline-end: 0;
			gap: 0;
			padding-block: env(safe-area-inset-top) env(safe-area-inset-bottom);
			padding-inline-end: env(safe-area-inset-right);
			background: var(--gallery-overlay);
		}

		.gallery-viewer__control {
			min-block-size: 0;
			background: transparent;
		}

		.gallery-viewer__close {
			margin-block-end: auto;
		}

		.gallery-viewer[data-backdrop] .gallery-viewer__controls {
			background: transparent;
		}
	}

	.gallery-viewer__announcement {
		position: absolute;
		inline-size: 1px;
		block-size: 1px;
		overflow: hidden;
		clip-path: inset(50%);
		white-space: nowrap;
	}

	@media (prefers-reduced-motion: reduce) {
		.gallery-viewer[data-transition="animating"] .gallery-viewer__sheet {
			transition: none;
		}
	}

	@media (max-width: 40rem) {
		:root {
			--gallery-row-height: min(7.5rem, var(--gallery-max-image-height));
		}

		.gallery-list > .gallery-card {
			flex: 0 0 100%;
			inline-size: 100%;
		}

		.gallery-grid > .gallery-card--hero {
			flex: 0 0 min(100%, calc(2 * var(--gallery-max-image-height) + var(--gallery-gap)));
		}

		.gallery-card--hero .gallery-card__image {
			aspect-ratio: 1;
			object-fit: cover;
		}

		.gallery-row {
			flex-wrap: wrap;
		}
	}
}