/*
 * GPIPL resources (Phase 10): Resources hub, Downloads, Latest updates (index, archives, single)
 * and Photo gallery. Loaded only on those pages, in the "pages" layer.
 *
 * Visual roles: downloads = technical document cards with a file-type badge and a clear action;
 * updates = editorial (date, category, large image, readable measure); gallery = restrained photo
 * grid (hover zoom only as feedback; everything works without hover or script).
 */
@layer pages {
	/* ============================================================ Shared header, filters, blocks */
	.res-hero { padding-block: var(--space-m) var(--space-xl); background: var(--color-surface); border-bottom: var(--border); }
	.res-hero .breadcrumbs { margin-bottom: var(--space-l); }
	.res-hero__title { font-size: var(--step-5); max-width: 24ch; }
	.res-hero__lead { margin-top: var(--space-s); max-width: 60ch; font-size: var(--step-1); line-height: var(--lh-snug); color: var(--color-text-muted); }

	.res-filter__list { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin: 0 0 var(--space-l); padding: 0; }
	.res-filter__link { display: inline-flex; align-items: center; min-height: var(--tap); padding: 0.35rem 0.9rem; border: 1px solid var(--color-line-strong); border-radius: var(--radius-s); color: var(--color-text); font-size: var(--step--1); font-weight: var(--wght-medium); text-decoration: none; }
	.res-filter__link:hover { border-color: var(--color-text); color: var(--color-text); }
	.res-filter__link[aria-current="page"] { background: var(--color-heading); border-color: var(--color-heading); color: var(--color-bg); }
	.res-count { margin-bottom: var(--space-m); color: var(--color-text-muted); font-size: var(--step--1); }

	.res-block__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2xs) var(--space-l); margin-bottom: var(--space-l); }
	.res-block__title { font-size: var(--step-3); }
	.res-block__title + .res-block__list { margin-top: var(--space-l); }
	.res-block__link, .res-back .link { display: inline-flex; align-items: center; min-height: var(--tap); }
	.res-back { margin-top: var(--space-xl); }

	.res-empty { padding: var(--space-xl); border: 1px dashed var(--color-line-strong); border-radius: var(--radius-m); max-width: 44rem; }
	.res-empty__title { font-size: var(--step-2); }

	.res-pagination { margin-top: var(--space-xl); }
	.res-pagination .nav-links { display: flex; flex-wrap: wrap; gap: var(--space-2xs); }
	.res-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: var(--tap); min-height: var(--tap); padding: 0 0.75rem; border: 1px solid var(--color-line-strong); border-radius: var(--radius-s); color: var(--color-text); text-decoration: none; }
	.res-pagination .page-numbers.current { background: var(--color-heading); border-color: var(--color-heading); color: var(--color-bg); }

	/* ============================================================ Document cards */
	.doc-list { display: grid; gap: var(--space-s); margin: 0; padding: 0; }
	@media (min-width: 64em) {
		.doc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	}
	.doc-card {
		display: grid;
		grid-template-columns: auto minmax(0, 1fr);
		gap: var(--space-s) var(--space-m);
		align-items: start;
		height: 100%;
		padding: var(--space-m);
		border: var(--border);
		border-radius: var(--radius-m);
		background: var(--color-bg);
	}
	.doc-card__badge { display: grid; justify-items: center; gap: 0.2rem; width: 3.25rem; padding: 0.55rem 0.25rem; border-radius: var(--radius-s); background: var(--color-accent-tint); color: var(--color-accent-strong); }
	.doc-card__ext { font-size: var(--step--2); font-weight: var(--wght-bold); font-stretch: var(--wdth-data); letter-spacing: 0.02em; }
	.doc-card__body { display: grid; gap: 0.3rem; min-width: 0; }
	.doc-card__type { font-size: var(--step--1); font-weight: var(--wght-semibold); color: var(--color-accent-strong); }
	.doc-card__title { font-size: var(--step-1); font-stretch: 106%; line-height: var(--lh-snug); overflow-wrap: anywhere; }
	.doc-card__meta { font-size: var(--step--1); font-stretch: var(--wdth-data); font-variant-numeric: tabular-nums; color: var(--color-text-muted); }
	.doc-card__products { font-size: var(--step--1); color: var(--color-text-muted); }
	.doc-card__products a { display: inline-flex; align-items: center; min-height: var(--tap); }
	.doc-card__products-label { margin-right: 0.3em; }
	.doc-card__action { grid-column: 1 / -1; justify-self: start; }
	@media (min-width: 48em) {
		.doc-card { grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; }
		.doc-card__action { grid-column: 3; }
	}

	/* ============================================================ Updates */
	.update-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: var(--space-xl) var(--space-l); margin: 0; padding: 0; }
	.update-card { position: relative; display: grid; align-content: start; gap: var(--space-s); min-height: 3.5rem; }
	.update-card__media { aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius-m); background: var(--color-surface); }
	.update-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
	.update-card__body { display: grid; gap: var(--space-2xs); padding-top: var(--space-2xs); border-top: 2px solid var(--color-text); }
	.update-card__meta { display: flex; flex-wrap: wrap; gap: 0 var(--space-s); font-size: var(--step--1); color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
	.update-card__cat { color: var(--color-accent-strong); font-weight: var(--wght-semibold); }
	.update-card__title { font-size: var(--step-2); line-height: var(--lh-heading); }
	.update-card__title a { color: var(--color-heading); text-decoration: none; }
	.update-card__title a::after { content: ""; position: absolute; inset: 0; }
	.update-card__text { color: var(--color-text-muted); }
	.update-card:hover .update-card__title a { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
	.update-card:hover .update-card__media img { transform: scale(1.03); }
	.update-card:has(a:focus-visible) { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
	.update-card a:focus-visible { outline: none; }

	.update__head { max-width: 52rem; }
	.update__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--space-s); margin-bottom: var(--space-2xs); color: var(--color-text-muted); font-size: var(--step--1); font-variant-numeric: tabular-nums; }
	.update__cat { display: inline-flex; align-items: center; min-height: var(--tap); color: var(--color-accent-strong); font-weight: var(--wght-semibold); text-decoration: none; }
	.update__cat:hover { text-decoration: underline; }
	.update__title { max-width: 26ch; }
	.update__media { margin-block: var(--space-xl) 0; }
	.update__media img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-m); }
	.update__content { max-width: var(--measure); margin-inline: auto; font-size: var(--step-0); }
	.update__content > * + * { margin-top: 1em; }

	/* ============================================================ Gallery */
	.album-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); gap: var(--space-l); margin: 0; padding: 0; }
	.album-card { position: relative; display: grid; gap: var(--space-s); min-height: 3.5rem; }
	.album-card__media { display: grid; place-items: center; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-m); background: var(--color-surface); }
	.album-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
	.album-card__placeholder { color: color-mix(in srgb, var(--palette-slate) 30%, var(--palette-survey)); }
	.album-card__title { font-size: var(--step-1); }
	.album-card__title a { color: var(--color-heading); text-decoration: none; }
	.album-card__title a::after { content: ""; position: absolute; inset: 0; }
	.album-card__count { font-size: var(--step--1); color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
	.album-card:hover .album-card__media img { transform: scale(1.03); }
	.album-card:hover .album-card__title a { text-decoration: underline; }
	.album-card:has(a:focus-visible) { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
	.album-card a:focus-visible { outline: none; }

	.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); gap: var(--space-s); margin: 0; padding: 0; }
	.photo { margin: 0; display: grid; gap: var(--space-2xs); }
	.photo__link { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-m); background: var(--color-surface); }
	.photo__link img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
	.photo__link:hover img { transform: scale(1.03); }
	.photo__link:focus-visible { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
	.photo__caption { margin: 0; }


	/* Gallery page: photos grouped by album */
	.gallery-album + .gallery-album { margin-top: var(--space-2xl); }
	.gallery-album__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2xs) var(--space-m); margin-bottom: var(--space-m); padding-bottom: var(--space-xs); border-bottom: var(--border); }
	.gallery-album__title { font-size: var(--step-2); }
	.gallery-album__title a { color: var(--color-heading); text-decoration: none; }
	.gallery-album__title a:hover { color: var(--color-accent); }
	.gallery-album__count { font-size: var(--step--1); color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
	.gallery-album__more { margin-top: var(--space-m); }
	.photo-grid--gallery { grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
	.photo-grid--gallery .photo__link { position: relative; border-radius: calc(var(--radius-m) * 2.5); box-shadow: 0 10px 24px -18px rgb(16 32 40 / 0.5); }
	.photo-grid--gallery .photo__link::after {
		content: "";
		position: absolute;
		inset: 0;
		background: linear-gradient(180deg, transparent 45%, color-mix(in srgb, var(--palette-slate) 70%, transparent));
		opacity: 0;
		transition: opacity var(--dur-base) var(--ease-out);
	}
	.photo__zoom {
		position: absolute;
		right: 0.75rem;
		bottom: 0.75rem;
		z-index: 1;
		display: grid;
		place-items: center;
		width: 2.5rem;
		height: 2.5rem;
		border-radius: 50%;
		background: var(--palette-green);
		color: var(--on-brand);
		opacity: 0;
		transform: translateY(8px) scale(0.9);
		transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
	}
	.photo-grid--gallery .photo__link:hover img, .photo-grid--gallery .photo__link:focus-visible img { transform: scale(1.06); }
	.photo-grid--gallery .photo__link:hover::after, .photo-grid--gallery .photo__link:focus-visible::after { opacity: 1; }
	.photo__link:hover .photo__zoom, .photo__link:focus-visible .photo__zoom { opacity: 1; transform: none; }
	@media (hover: none) { .photo__zoom { opacity: 0.9; transform: none; } }
	@media (forced-colors: active) {
		.doc-card, .res-empty { border-color: CanvasText; }
		.doc-card__badge { border: 1px solid CanvasText; }
	}
	@media print {
		.res-filter, .res-pagination, .doc-card__action { display: none !important; }
	}
}

/* ============================================================ Latest updates, premium (0.21.0) */
@layer pages {
	.res-filter__link { border-radius: 99px; padding-inline: 1.05rem; transition: background 200ms var(--ease-out), border-color 200ms var(--ease-out), color 200ms var(--ease-out); }
	.res-filter__link:hover { border-color: var(--color-accent); color: var(--color-accent-strong); }
	.res-filter__link[aria-current="page"] { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); box-shadow: 0 10px 22px -14px var(--color-accent); }

	.update-grid { gap: var(--space-l); }
	.update-card {
		gap: 0;
		overflow: hidden;
		border: var(--border);
		border-radius: 1.1rem;
		background: var(--color-bg);
		transition: transform 350ms var(--ease-out), box-shadow 350ms var(--ease-out), border-color 350ms var(--ease-out);
	}
	.update-card:hover { transform: translateY(-4px); border-color: transparent; box-shadow: 0 26px 50px -30px rgb(16 32 40 / 0.45); }
	.update-card__media { aspect-ratio: 4 / 3; border-radius: 0; }
	.update-card__body { gap: var(--space-xs); padding: var(--space-m) var(--space-m) var(--space-l); border-top: 0; }
	.update-card__meta { align-items: center; gap: var(--space-2xs) var(--space-s); }
	.update-card__cat {
		display: inline-flex;
		padding: 0.15rem 0.6rem;
		border-radius: 99px;
		background: var(--color-accent-tint);
		font-size: 0.78rem;
	}
	.update-card__title { font-size: var(--step-1); }
	.update-card:hover .update-card__title a { text-decoration: none; color: var(--color-accent-strong); }
	.update-card__text { font-size: var(--step--1); }
	.update-card__more { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: var(--space-2xs); color: var(--color-accent-strong); font-size: var(--step--1); font-weight: var(--wght-semibold); }
	.update-card__more .icon { width: 1rem; height: 1rem; transition: transform 300ms var(--ease-out); }
	.update-card:hover .update-card__more .icon { transform: translateX(4px); }

	.update-grid__feature { grid-column: 1 / -1; }
	@media (min-width: 56em) {
		.update-card--feature { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: stretch; }
		.update-card--feature .update-card__media { aspect-ratio: auto; min-height: 22rem; }
		.update-card--feature .update-card__body { align-content: center; padding: var(--space-xl) var(--space-2xl); }
		.update-card--feature .update-card__title { font-size: var(--step-3); }
		.update-card--feature .update-card__text { font-size: var(--step-0); }
	}

	.update__layout { display: grid; gap: var(--space-xl); }
	@media (min-width: 64em) {
		.update__layout.has-media { grid-template-columns: minmax(0, 26rem) minmax(0, 1fr); gap: var(--space-3xl); align-items: start; }
		.update__layout.has-media .update__aside { position: sticky; top: calc(var(--header-h, 4.5rem) + 1.5rem); }
		.update__layout.has-media .update__content { margin-inline: 0; }
	}
	.update__aside { display: grid; gap: var(--space-m); }
	@media (max-width: 63.99em) {
		.update__aside { display: contents; }
		.update__content { order: 2; }
		.update__ask { order: 3; }
	}
	.update__figure { margin: 0; overflow: hidden; border-radius: 1.1rem; background: var(--palette-survey); box-shadow: 0 30px 60px -40px rgb(16 32 40 / 0.5); }
	.update__figure img { display: block; width: 100%; height: auto; max-height: 75vh; object-fit: contain; }
	.update__figure figcaption { padding: var(--space-xs) var(--space-s); font-size: var(--step--1); color: var(--color-text-muted); }
	.update__ask {
		display: grid;
		gap: var(--space-2xs);
		padding: var(--space-l);
		border-radius: 1.1rem;
		background: linear-gradient(135deg, var(--palette-slate), color-mix(in srgb, var(--palette-green) 40%, var(--palette-slate)));
		color: var(--color-text);
	}
	.update__ask-title { font-size: var(--step-1); font-weight: var(--wght-semibold); color: var(--color-heading); }
	.update__ask-text { margin-bottom: var(--space-xs); color: var(--color-text-muted); font-size: var(--step--1); }
	.update__ask .button { justify-self: start; }

	.update__content h2, .update__content h3 { margin-top: 1.6em; }
	.update__content h3 { display: flex; align-items: center; gap: 0.6rem; font-size: var(--step-1); }
	.update__content h3::before { content: ""; width: 0.35rem; height: 1.1em; border-radius: 99px; background: var(--color-accent); }
	.update__content ul, .update__content ol { padding-left: 1.3em; }
	.update__content li + li { margin-top: 0.35em; }
	.update__content li::marker { color: var(--color-accent); font-weight: var(--wght-semibold); }
	.update__content table {
		width: 100%;
		border-collapse: separate;
		border-spacing: 0;
		border: var(--border);
		border-radius: 0.8rem;
		font-size: var(--step--1);
	}
	.update__content th, .update__content td { padding: 0.65rem 0.9rem; border-bottom: var(--border); text-align: left; vertical-align: top; }
	.update__content tr:last-child > * { border-bottom: 0; }
	.update__content th { background: var(--color-surface); font-weight: var(--wght-semibold); }
	.update__content tr:nth-child(even) td { background: color-mix(in srgb, var(--color-surface) 50%, transparent); }
	.update__content td:first-child { color: var(--color-text-muted); }
	@media (max-width: 39.99em) { .update__content table { display: block; overflow-x: auto; } }
	.update__hero .update__head { max-width: none; }
	.update__hero .update__title { max-width: 30ch; }
	@media (prefers-reduced-motion: reduce) { .update-card:hover { transform: none; } }
}