@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-tile-ratio: 1.5;
		--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: 0.5rem;
		--gallery-band: var(--gallery-surface);
		--gallery-navigation-ratio: 1;
		--gallery-navigation-inset: 1rem;
		--gallery-navigation-step: 1.25rem;
		--gallery-navigation-radius: 8px;
		--gallery-navigation-line-width: 1px;
		--gallery-navigation-line: color-mix(in srgb, var(--gallery-muted) 45%, transparent);
	}

	.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__heading {
		margin: 0;
		padding: 0.5rem max(1rem, env(safe-area-inset-right)) 0.5rem max(1rem, env(safe-area-inset-left));
		font-size: 1.5rem;
		font-weight: 500;
		line-height: 1.2;
		letter-spacing: 0;
		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;
	}

	/* A timeline of equal steps: same-size cropped tiles joined by a connector line that continues their outline. */
	.gallery-navigation {
		--gallery-row-height: min(7rem, var(--gallery-max-image-height));
		margin-block-end: var(--gallery-gap);
		padding-block: var(--gallery-navigation-inset);
		background: var(--gallery-band);
	}

	.gallery-navigation__items {
		display: flex;
		flex-wrap: nowrap;
		align-items: center;
		gap: var(--gallery-navigation-step);
		padding-inline: max(var(--gallery-navigation-inset), env(safe-area-inset-left)) max(var(--gallery-navigation-inset), env(safe-area-inset-right));
		/* Keeps hover outlines and the scrollbar clear of the tiles. */
		padding-block: 2px;
		overflow-x: auto;
		overscroll-behavior-x: contain;
		scroll-snap-type: x proximity;
		scroll-padding-inline: var(--gallery-navigation-inset);
		scrollbar-width: thin;
		scrollbar-color: var(--gallery-navigation-line) transparent;
	}

	/* Auto margins centre a short strip yet keep the first tile reachable once it overflows. */
	.gallery-navigation__items > :first-child {
		margin-inline-start: auto;
	}

	.gallery-navigation__items > :last-child {
		margin-inline-end: auto;
	}

	.gallery-card.gallery-card--navigation {
		flex: none;
		inline-size: calc(var(--gallery-row-height) * var(--gallery-navigation-ratio));
		max-inline-size: none;
		border: var(--gallery-navigation-line-width) solid var(--gallery-navigation-line);
		border-radius: var(--gallery-navigation-radius);
		scroll-snap-align: start;
		transition: border-color 150ms ease;
	}

	.gallery-card.gallery-card--navigation:hover,
	.gallery-card.gallery-card--navigation:focus-within {
		border-color: var(--gallery-accent);
	}

	/* The connector starts at the outer edge of this tile's border and ends at the next tile's border. */
	.gallery-card--navigation:not(:last-child)::after {
		content: "";
		position: absolute;
		inset-block-start: 50%;
		inset-inline-start: calc(100% + var(--gallery-navigation-line-width));
		inline-size: var(--gallery-navigation-step);
		block-size: var(--gallery-navigation-line-width);
		background: var(--gallery-navigation-line);
		transform: translateY(-50%);
		pointer-events: none;
	}

	.gallery-card--navigation .gallery-card__link {
		border-radius: calc(var(--gallery-navigation-radius) - var(--gallery-navigation-line-width));
		overflow: hidden;
	}

	.gallery-navigation__image {
		block-size: auto;
		aspect-ratio: var(--gallery-navigation-ratio);
		object-fit: cover;
		object-position: center;
	}

	@media (prefers-reduced-motion: reduce) {
		.gallery-card.gallery-card--navigation {
			transition: none;
		}
	}

	/* Labels are structure only for now; a site rule such as `.gallery-navigation__label { display: block }` shows them. */
	.gallery-navigation__label {
		display: none;
	}

	@media (prefers-reduced-motion: no-preference) {
		.gallery-page {
			scroll-behavior: smooth;
		}
	}

	.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--picture {
		display: grid;
		grid-template-columns: minmax(0, 1fr);
	}

	.gallery-card--picture > :is(.gallery-card__link, .gallery-card__image, .gallery-card__title) {
		grid-area: 1 / 1;
	}

	.gallery-card__title {
		position: relative;
		z-index: 1;
		align-self: end;
		justify-self: start;
		max-inline-size: calc(100% - var(--gallery-label-inset));
		margin-block-end: var(--gallery-label-inset);
		padding: 0.1rem 0.5rem;
		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: 0.875rem;
		line-height: 1.25;
		overflow-wrap: anywhere;
		pointer-events: none;
	}

	.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: 0.1rem 0.5rem;
		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: 0.875rem;
		line-height: 1.25;
		pointer-events: none;
	}

	.gallery-card--gallery:not(.gallery-card--picture) {
		flex: var(--gallery-tile-ratio) 1 calc(var(--gallery-row-height) * var(--gallery-tile-ratio));
	}

	.gallery-card--gallery .gallery-card__title {
		font-size: 1.125rem;
		white-space: normal;
	}

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

	.gallery-title__picture {
		display: block;
	}

	.gallery-title__image {
		/* Overflow is trimmed in the proportion of the subject rectangle's margins; see doc/architecture/subject-rectangle.md. */
		display: block;
		inline-size: 100%;
		block-size: auto;
		max-block-size: 100svh;
		margin-inline: auto;
		object-fit: cover;
		object-position: var(--subject-focus-x, 50%) var(--subject-focus-y, 50%);
		/* Explicit: the image is cropped to its box, never stretched, so the browser's smooth downscaling is all it needs. */
		image-rendering: auto;
	}

	/* Fills the screen unless that would cut into the subject's width. The bounds match $script:CoverHeightBrake in
	   ArtGallery/Images.ps1, which derives the image's sizes from them. */
	.gallery-title__picture > .gallery-title__image {
		block-size: clamp(50svh, var(--subject-safe-height), 100svh);
	}

	.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-viewer-open {
		overflow: hidden;
	}

	.gallery-viewer {
		--viewer-background: #000;
		--viewer-ink: #fff;
		--viewer-liked: #e5484d;
		--viewer-control: 3rem;
		--viewer-icon: 1.75rem;
		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;
	}

	/* One picture's whole screen: its blurred background and the photo move together as one layer. */
	.gallery-viewer__slide {
		--viewer-offset-x: 0%;
		--viewer-offset-y: 0%;
		position: absolute;
		inset: 0;
		overflow: hidden;
		background: var(--viewer-background);
		transform: translate(var(--viewer-offset-x), var(--viewer-offset-y));
	}

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

	.gallery-viewer__slide--from-below {
		--viewer-offset-y: 100%;
	}

	.gallery-viewer__slide--from-above {
		--viewer-offset-y: -100%;
	}

	.gallery-viewer__slide--from-right {
		--viewer-offset-x: 100%;
	}

	.gallery-viewer__slide--from-left {
		--viewer-offset-x: -100%;
	}

	.gallery-viewer__blur {
		position: absolute;
	}

	/* Without canvas filters the browser blurs the sharp drawing itself. */
	.gallery-viewer[data-blur="css"] .gallery-viewer__blur {
		filter: blur(40px) saturate(1.2);
	}

	.gallery-viewer__sheet {
		position: absolute;
		inset-block-start: 50%;
		inset-inline-start: 50%;
		/* A filled picture can be taller than the screen, so centre it by its own size. */
		transform: translate(-50%, -50%);
	}

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

	/* The toolbar sits where a right thumb reaches: a column down the right edge, over the picture,
	   stacked upward from the bottom with close at the top. Its gaps let taps and swipes through. */
	.gallery-viewer__controls {
		position: absolute;
		z-index: 1;
		inset-block: 0;
		inset-inline-end: 0;
		display: flex;
		flex-direction: column-reverse;
		padding-block: env(safe-area-inset-top) env(safe-area-inset-bottom);
		padding-inline-end: env(safe-area-inset-right);
		pointer-events: none;
	}

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

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

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

	.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;
		/* A faint outline keeps white icons visible over light parts of the picture and its background. */
		filter: drop-shadow(0 0 2px rgb(0 0 0 / 70%));
	}

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

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

	.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__slide {
			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%;
		}
	}
}

/* site.css */
@layer gallery, site;

@layer site {
	:root {
		--gallery-background: #fff;
		--gallery-surface: #fff;
		--gallery-text: #221617;
		--gallery-muted: #221617;
		--gallery-accent: #ad1f21;
		--gallery-overlay: rgb(40 21 22 / 70%);
		--gallery-overlay-ink: #f9f9f9;
		--site-tint: #df9092;
		--site-shade: #821719;
		--site-ink: #281516;
		--site-label: var(--site-band);
		--site-button: var(--site-tint);
		--site-button-ink: var(--site-ink);
		--site-button-hover: var(--site-shade);
		--site-button-hover-ink: #f9f9f9;
		--gallery-band: var(--site-band);
		--site-band: #f9e7e7;
		--site-heading-size: 22px;
		--site-subheading-size: 18px;
		--site-title-size: 26px;
	}

	@media (min-width: 768px) and (min-height: 600px) {
		:root {
			--site-heading-size: 30px;
			--site-subheading-size: 20px;
			--site-title-size: 34px;
		}
	}

	.gallery-page {
		font-family: "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
	}

	.gallery-page :is(h1, h2, h3, h4, h5, h6, .gallery-card__link) {
		font-weight: normal;
	}

	.gallery-body {
		font-size: 18px;
		line-height: 1.65;
	}

	.gallery-title {
		margin: 0 0 var(--gallery-gap);
	}

	.gallery-title .gallery-title__heading {
		position: absolute;
		inset-block-start: var(--gallery-label-inset);
		inset-inline-start: 0;
		max-inline-size: calc(100% - var(--gallery-label-inset));
		margin: 0;
		padding: 2px 10px;
		border-start-end-radius: 0.25rem;
		border-end-end-radius: 0.25rem;
		background: var(--site-label);
		color: var(--site-ink);
		box-shadow: 0 2px 6px rgb(0 0 0 / 30%);
		font-size: var(--site-title-size);
		line-height: 1.15;
	}

	/* The engine names the corner with the most background around the subject; top left is the default. */
	.gallery-title[data-title-block="end"] > .gallery-title__heading {
		inset-block: auto var(--gallery-label-inset);
	}

	.gallery-title[data-title-inline="end"] > .gallery-title__heading {
		inset-inline: auto 0;
		border-radius: 0;
		border-start-start-radius: 0.25rem;
		border-end-start-radius: 0.25rem;
	}

	/* A status label yields the top right corner to the title. */
	.gallery-title[data-title-inline="end"]:not([data-title-block="end"]) > .gallery-card__status {
		inset-inline: 0 auto;
		border-radius: 0;
		border-start-end-radius: 0.25rem;
		border-end-end-radius: 0.25rem;
	}

	.gallery-card__title {
		padding: 2px 8px;
		background: var(--site-label);
		color: var(--site-ink);
		font-size: 16px;
	}

	.gallery-description {
		max-inline-size: 60rem;
		margin-inline: auto;
		padding-block: 1rem;
	}

	.gallery-description p,
	.gallery-card--markdown p {
		text-align: start;
	}

	.gallery-card--markdown {
		padding: 1.5rem max(1.25rem, calc((100% - 60rem) / 2));
	}

	.gallery-card--markdown p {
		margin-block: 0.75rem;
	}

	.gallery-card--markdown blockquote {
		margin: 0;
	}

	@media (max-width: 40rem) {
		.gallery-card--markdown {
			padding-inline: max(0.75rem, env(safe-area-inset-left)) max(0.75rem, env(safe-area-inset-right));
		}
	}

	.gallery-card--markdown a {
		color: inherit;
		text-decoration: none;
		background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
		padding-block-end: 1px;
		transition: background-size 0.2s ease, color 0.2s ease;
	}

	.gallery-card--markdown a:hover {
		background-size: 100% 2px;
		color: var(--site-shade);
	}

	.gallery-card--markdown ul:has(> li > a:only-child) {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		gap: 0.75rem;
		margin: 1.25rem 0 0.5rem;
		padding: 0;
		list-style: none;
	}

	.gallery-card--markdown ul:has(> li > a:only-child) a {
		display: inline-flex;
		align-items: center;
		gap: 0.5rem;
		min-block-size: 44px;
		padding: 8px 20px;
		border: 1px solid var(--site-tint);
		border-radius: 999px;
		background: var(--site-button);
		color: var(--site-button-ink);
		font-size: 17px;
		line-height: 1.3;
		transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
	}

	.gallery-card--markdown ul:has(> li > a:only-child) a:hover {
		border-color: var(--site-button-hover);
		background: var(--site-button-hover);
		color: var(--site-button-hover-ink);
		box-shadow: 0 4px 12px rgb(0 0 0 / 18%);
		transform: translateY(-1px);
	}

	.gallery-card--markdown a:focus-visible {
		outline: 3px solid var(--gallery-accent);
		outline-offset: 3px;
		border-radius: 0.25rem;
	}

	@media (prefers-reduced-motion: reduce) {
		.gallery-card--markdown a {
			transition: none;
			transform: none;
		}
	}
	.gallery-card--markdown[class*="kind-word-"]:nth-child(even of [class*="kind-word-"]) {
		background: var(--site-band);
	}
	.gallery-description h2 {
		margin-block: 6px;
		color: var(--gallery-accent);
		font-size: var(--site-heading-size);
		line-height: 1.2;
		text-align: center;
	}

	.gallery-card--markdown h2 {
		margin-block: 6px;
		color: var(--gallery-accent);
		font-size: var(--site-heading-size);
		line-height: 1.2;
		text-align: center;
	}

	.gallery-card--markdown h3 {
		margin-block: 6px;
		font-size: var(--site-subheading-size);
		line-height: 1.2;
		text-align: center;
	}

	.gallery-footer {
		padding-block: 2rem;
		background: var(--site-band);
		text-align: center;
	}

	.gallery-footer > p {
		max-inline-size: 44rem;
		margin: 0 auto 0.75rem;
	}

	.gallery-footer .footer-whatsapp {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		gap: 0.625rem;
		max-inline-size: 100%;
		min-block-size: 44px;
		padding: 10px 16px;
		border-radius: 0.25rem;
		background: var(--site-button);
		color: var(--site-button-ink);
		line-height: 1.35;
		text-decoration: none;
	}

	.footer-whatsapp svg,
	.footer-social svg {
		display: block;
		flex-shrink: 0;
		inline-size: 24px;
		block-size: 24px;
	}

	.gallery-footer .footer-social {
		align-items: center;
		justify-content: center;
		gap: 0.75rem;
		margin-block: 1.25rem 0;
	}

	.footer-social a {
		display: flex;
		align-items: center;
		justify-content: center;
		inline-size: 44px;
		min-block-size: 44px;
		border-radius: 0.25rem;
		text-decoration: none;
	}

	.footer-social .footer-social__association {
		inline-size: auto;
		min-inline-size: 44px;
		padding-inline: 0.5rem;
	}

	.footer-social__association svg {
		inline-size: 40px;
	}

	.footer-social a:hover {
		background: rgb(0 0 0 / 7%);
	}

	.gallery-footer .footer-whatsapp:hover {
		background: var(--site-button-hover);
		color: var(--site-button-hover-ink);
	}

	.footer-social a:focus-visible,
	.footer-whatsapp:focus-visible {
		outline: 3px solid var(--gallery-accent);
		outline-offset: 3px;
	}

	.gallery-card--gallery:not(.gallery-card--picture) {
		background: var(--site-button);
	}

	.gallery-card--gallery:not(.gallery-card--picture) .gallery-card__link {
		color: var(--site-button-ink);
		text-align: center;
	}

	.gallery-card--gallery:not(.gallery-card--picture):hover {
		background: var(--site-button-hover);
	}

	.gallery-card--gallery:not(.gallery-card--picture):hover .gallery-card__link {
		color: var(--site-button-hover-ink);
	}
}