/* Binate Photos — CSS for things theme.json can't express.
 *
 * Same constraints as the sibling Binate Thoughts theme:
 *   - pseudo-elements, attribute selectors, runtime data-theme override
 *   - grid-template-columns and other layout properties
 *   - @media (prefers-reduced-motion / print)
 *   - container max-width on top-level template-part wrappers
 */

/* --- 1. Visitor light/dark toggle: per-visitor CSS-var override --------- */
[data-theme="light"] {
	--wp--preset--color--bg:        oklch(0.972 0.006 80);
	--wp--preset--color--bg-edge:   oklch(0.945 0.006 80);
	--wp--preset--color--ink:       oklch(0.18 0.006 60);
	--wp--preset--color--ink-soft:  oklch(0.38 0.006 60);
	--wp--preset--color--ink-faint: oklch(0.48 0.006 60);
	--wp--preset--color--rule:      oklch(0.85 0.006 60);
	--wp--preset--color--rule-soft: oklch(0.91 0.006 60);
}

/* --- 2. Container width: top-level wrappers cap at 1240px --------------- */
.wp-site-blocks > .wp-block-template-part,
.wp-site-blocks > main {
	max-width: 1240px;
	margin-left: auto !important;
	margin-right: auto !important;
}
.wp-site-blocks > .wp-block-template-part {
	padding-left: var(--wp--style--root--padding-left);
	padding-right: var(--wp--style--root--padding-right);
	box-sizing: border-box;
}

/* --- 3. Theme toggle: container + aria-pressed state -------------------- */
.bt-theme-toggle {
	display: inline-flex;
	align-items: baseline;
	gap: var(--wp--preset--spacing--xs);
	margin-left: var(--wp--preset--spacing--md);
	font-family: var(--wp--preset--font-family--mono);
	font-size: var(--wp--preset--font-size--meta);
	letter-spacing: 0.08em;
	text-transform: uppercase;
}
.bt-theme-toggle__btn {
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
	font: inherit;
	letter-spacing: inherit;
	text-transform: inherit;
	color: var(--wp--preset--color--ink);
	line-height: 1.4;
	border-bottom: 1px solid transparent;
}
.bt-theme-toggle__btn[aria-pressed="true"] {
	color: var(--wp--preset--color--accent);
	border-bottom-color: currentColor;
}
.bt-theme-toggle__btn:hover { color: var(--wp--preset--color--accent); }
.bt-theme-toggle__sep { color: var(--wp--preset--color--rule); }

/* --- 4. Hero photo ------------------------------------------------------ */
.bt-hero__img img {
	width: 100%;
	height: auto;
	display: block;
}
.bt-hero__title { max-width: 22ch; }
.bt-hero__excerpt { max-width: 60ch; color: var(--wp--preset--color--ink-soft); }

/* --- 5. Photo grid (home: 2-col, archive: 3-col) ------------------------- */
.bt-photo-grid .wp-block-post-template,
.bt-photo-grid ul.wp-block-post-template {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: clamp(24px, 4vw, 56px) clamp(20px, 3vw, 40px);
	grid-template-columns: repeat(2, minmax(0, 1fr));
	/* Don't stretch rows — cards keep natural heights from their photos. */
	align-items: start;
}
.bt-photo-grid--3col .wp-block-post-template,
.bt-photo-grid--3col ul.wp-block-post-template {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 880px) {
	.bt-photo-grid .wp-block-post-template,
	.bt-photo-grid--3col .wp-block-post-template {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}
@media (max-width: 560px) {
	.bt-photo-grid .wp-block-post-template,
	.bt-photo-grid--3col .wp-block-post-template {
		grid-template-columns: 1fr;
	}
}
.bt-photo-grid .wp-block-post {
	margin: 0;
	padding: 0;
	list-style: none;
}

/* Photo card ------------------------------------------------------------- */
/* No forced aspect ratio — photos render at their natural proportions so
 * landscapes stay landscape and portraits stay portrait. The grid uses
 * align-items: start so cards align to the top of their row. */
.bt-photo-card { position: relative; }
.bt-photo-card__img img {
	width: 100%;
	height: auto;
	display: block;
	transition: opacity .25s ease;
}
.bt-photo-card:hover .bt-photo-card__img img { opacity: .85; }
.bt-photo-card__title { margin: 0; color: var(--wp--preset--color--ink); }
.bt-photo-card__title a { color: inherit; }
.bt-photo-card__date  { color: var(--wp--preset--color--ink-faint); }

/* Posts with no featured image AND no first content image render a
 * subtle placeholder so the card still has presence in the grid. */
.bt-photo-card .wp-block-post-featured-image:empty::before {
	content: "";
	display: block;
	aspect-ratio: 4 / 3;
	background: var(--wp--preset--color--bg-edge);
	border: 1px solid var(--wp--preset--color--rule-soft);
}

/* --- 6. Single post: featured image is full-width within main ---------- */
.site-main.single .bt-single__img img {
	width: 100%;
	height: auto;
	display: block;
}

/* --- 7. Tag list separator ---------------------------------------------- */
.bt-tags a + a::before {
	content: " / ";
	color: var(--wp--preset--color--rule);
}

/* --- 8. Pager: hairline rule between current and next number ------------ */
.bt-pager .wp-block-query-pagination-numbers {
	display: inline-flex;
	align-items: center;
	gap: 18px;
}
.bt-pager .page-numbers { font-variant-numeric: tabular-nums; }
.bt-pager .page-numbers.current { color: var(--wp--preset--color--ink); }
.bt-pager .page-numbers.dots    { color: var(--wp--preset--color--rule); letter-spacing: 0; }
.bt-pager .wp-block-query-pagination-numbers .page-numbers.current + .page-numbers::before {
	content: "";
	display: inline-block;
	width: 64px;
	height: 1px;
	background: var(--wp--preset--color--rule);
	margin-right: 18px;
	vertical-align: middle;
}
.bt-pager .wp-block-query-pagination-next,
.bt-pager .wp-block-query-pagination-previous {
	text-transform: uppercase;
	color: var(--wp--preset--color--ink);
	margin-left: auto;
}

/* --- 9. Focus ring + motion / print ------------------------------------ */
:focus-visible {
	outline: 1px solid var(--wp--preset--color--accent);
	outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
	.bt-photo-card__img img { transition: none; }
	.bt-theme-toggle__btn   { transition: none; }
}
@media print {
	.masthead, .bt-theme-toggle { display: none !important; }
}