/*
 * Phase 1 article shell.
 *
 * The default is intentionally one column. Phase 2 can opt into desktop
 * documentation navigation and table-of-contents columns without changing
 * the article markup or mobile reading order.
 */

.article-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--space-4);
}

.article-layout__main {
	min-width: 0;
}

/* Editorial pages use core blocks, without changing the homepage or header. */
.news-article-layout .site-main { padding-block: 64px 80px; }
.news-article .entry-header { width: min(100%, 800px); margin: 0 0 32px; }
.editorial-category { display: inline-block; color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.news-article .entry-title { margin: 18px 0 20px; font-size: clamp(30px, 4.1vw, 56px); line-height: 1.12; letter-spacing: -.035em; overflow-wrap: anywhere; }
.news-article .entry-meta { margin: 0 0 20px; font-size: 14px; }
.article-introduction { color: #bdc9d9; font-size: clamp(18px, 2vw, 21px); line-height: 1.65; margin: 0; }
.news-article .entry-featured-image { margin: 0 0 44px; }
.news-article .entry-featured-image img { width: 100%; height: auto; border-radius: 18px; border: 1px solid var(--line); }
.news-article .entry-featured-image figcaption { max-width: 800px; margin: 12px auto 0; line-height: 1.6; }
.article-reading-layout { display: grid; grid-template-columns: minmax(0, 800px) minmax(180px, 240px); gap: 56px; align-items: start; }
.article-reading-layout .entry-content { width: 100%; min-width: 0; margin: 0; font-size: 18px; line-height: 1.85; overflow-wrap: anywhere; }
.article-toc { grid-column: 2; grid-row: 1; position: sticky; top: 28px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.article-toc summary { font-size: 13px; font-weight: 700; color: var(--text); cursor: pointer; }
.article-toc ol { list-style: none; padding: 0; margin: 16px 0 0; }
.article-toc li + li { margin-top: 10px; }
.article-toc a { display: block; color: var(--muted); font-size: 14px; line-height: 1.5; }
.article-toc a:hover, .article-toc a:focus-visible { color: var(--accent); }
.article-toc .toc-level-3 { padding-left: 12px; }
.article-reading-layout .entry-content h2 { font-size: clamp(25px, 3vw, 32px); margin: 48px 0 16px; line-height: 1.25; letter-spacing: -.02em; }
.article-reading-layout .entry-content h3 { font-size: 23px; margin: 32px 0 12px; line-height: 1.35; }
.article-reading-layout :is(h2,h3) { scroll-margin-top: 28px; }
.article-reading-layout .entry-content p { margin: 0 0 24px; }
.article-reading-layout .entry-content li { padding-left: 4px; margin-block: 8px; }
.article-reading-layout .entry-content :is(ul,ol) { padding-left: 26px; }
.article-reading-layout .entry-content figure { margin: 32px 0; }
.article-reading-layout .entry-content img { width: auto; max-width: 100%; height: auto; border-radius: 14px; }
.article-reading-layout .entry-content blockquote { margin: 32px 0; padding: 12px 24px; border-left: 3px solid var(--accent); color: #bdc9d9; background: var(--panel); border-radius: 0 12px 12px 0; }
.article-reading-layout .entry-content pre { font-size: 14px; line-height: 1.7; white-space: pre; overflow-wrap: normal; }
.article-reading-layout .entry-content :not(pre) > code { padding: 2px 6px; border-radius: 5px; background: var(--panel-2); color: var(--accent-2); font-size: .88em; }
.article-reading-layout .entry-content :is(.is-style-info,.is-style-warning,.is-style-recommendation,.is-style-summary) { padding: 24px; margin: 28px 0; border: 1px solid var(--line); border-left: 3px solid #82b5ef; border-radius: 12px; background: var(--panel); }
.article-reading-layout .entry-content .is-style-warning { border-left-color: var(--accent); }
.article-reading-layout .entry-content .is-style-recommendation { border-left-color: var(--green); }
.article-reading-layout .entry-content .is-style-summary { background: var(--panel-2); border-left-color: var(--accent); }
.article-reading-layout .entry-content .wp-block-group > :last-child { margin-bottom: 0; }
.news-archive { padding-block: 64px 80px; }
.news-archive .page-header { width: min(100%, 800px); margin: 0 0 40px; }
.news-archive .page-title { font-size: clamp(36px, 5vw, 54px); margin: 0 0 18px; letter-spacing: -.03em; }
.news-archive .archive-description { color: var(--muted); font-size: 18px; line-height: 1.7; }
.news-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; grid-auto-rows: 1fr; }
.news-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); background: var(--panel); border-radius: 18px; transition: border-color 160ms ease, background-color 160ms ease; }
.news-card-link { display: flex; flex-direction: column; height: 100%; }
.news-card:hover, .news-card:focus-within { border-color: var(--accent); background: var(--panel-2); }
.news-card-link:focus-visible { outline: 2px solid var(--accent-2); outline-offset: -4px; border-radius: 17px; }
.news-card-image { aspect-ratio: 16 / 9; overflow: hidden; background: var(--panel-2); }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { min-width: 0; padding: 24px; overflow-wrap: anywhere; }
.news-card h2 { margin: 14px 0; font-size: 23px; line-height: 1.3; letter-spacing: -.02em; }
.news-card-link:hover h2, .news-card-link:focus-visible h2 { color: var(--accent-2); }
.news-card time { color: var(--muted); font-size: 13px; }
.news-card-excerpt { color: #b1bfd1; line-height: 1.7; margin: 16px 0 0; }
.news-card-excerpt p { margin: 0; }
.news-grid.news-grid--single { grid-template-columns: minmax(0,1fr); grid-auto-rows: auto; }

/* Continuous reading is isolated to single News pages. */
.continuous-reading { position: relative; }
.continuous-reading__stream { width: 100%; }
.continuous-reading__stream[aria-busy="true"] .continuous-reading__sentinel::after {
	display: block;
	width: 34px;
	height: 34px;
	margin-inline: auto;
	border: 3px solid var(--line);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: reader-spin 700ms linear infinite;
	content: "";
}
.continuous-reading__sentinel { min-height: 1px; padding-block: 48px; }
.continuous-reading__article {
	padding-top: 72px;
	margin-top: 40px;
	border-top: 1px solid var(--line);
	scroll-margin-top: 18px;
}
.continuous-reading__article .entry-featured-image img { content-visibility: auto; }
.continuous-reading__back {
	position: fixed;
	right: max(16px, calc((100vw - 1180px) / 2));
	bottom: 20px;
	z-index: 15;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 14px;
	border: 1px solid #3b4658;
	border-radius: 999px;
	background: rgba(17, 23, 34, .94);
	box-shadow: 0 12px 35px #0008;
	color: var(--text);
	font-weight: 750;
	cursor: pointer;
	backdrop-filter: blur(10px);
}
.continuous-reading__back:hover { border-color: var(--accent); color: var(--accent-2); }
.news-recommendations { padding: 72px 0 24px; border-top: 1px solid var(--line); }
.news-recommendations[hidden] { display: none; }
.news-recommendations__header { width: min(100%, 800px); margin: 0 0 32px; }
.news-recommendations__header h2 { margin: 14px 0 12px; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.03em; }
.news-recommendations__header p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.news-recommendations__grid .news-card h2 { font-size: 21px; }

@keyframes reader-spin { to { transform: rotate(360deg); } }
@media (min-width: 700px) {
	.news-grid--single .news-card-link { display: grid; grid-template-columns: minmax(0,46fr) minmax(0,54fr); align-items: center; }
	.news-grid--single .news-card-image { height: 100%; min-height: 280px; aspect-ratio: auto; }
	.news-grid--single .news-card-body { padding: clamp(24px,3vw,40px); }
	.news-grid--single .news-card h2 { font-size: clamp(26px,2.5vw,36px); line-height: 1.22; }
	.news-grid--single .news-card-excerpt { font-size: 17px; }
	.news-grid--single .news-card:not(:has(.news-card-image)) .news-card-body { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
	.news-card { transition: none; }
	.continuous-reading__stream[aria-busy="true"] .continuous-reading__sentinel::after { animation: none; }
}
@media (max-width: 1100px) {
	.article-reading-layout { grid-template-columns: minmax(0,1fr); gap: 28px; max-width: 800px; margin-inline: auto; }
	.article-toc { grid-column: 1; position: static; }
	.news-article .entry-header { margin-inline: auto; }
	.news-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 600px) {
	.news-article-layout .site-main, .news-archive { padding-block: 32px 48px; }
	.article-reading-layout .entry-content { font-size: 17px; line-height: 1.8; }
	.news-article .entry-featured-image { margin-bottom: 28px; }
	.news-article .entry-featured-image img { border-radius: 12px; }
	.article-reading-layout .entry-content :is(.is-style-info,.is-style-warning,.is-style-recommendation,.is-style-summary) { padding: 18px; }
	.news-grid { grid-template-columns: minmax(0,1fr); }
	.news-card-body { padding: 20px; }
	.continuous-reading__article { padding-top: 48px; margin-top: 24px; }
	.continuous-reading__back { right: 10px; bottom: 10px; padding: 9px 12px; }
	.news-recommendations { padding-top: 48px; }
}

@media (min-width: 64rem) {
	.article-layout--with-navigation {
		grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr);
	}

	.article-layout--with-navigation-and-toc {
		grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr) minmax(10rem, 14rem);
	}
}