/*
 * Long-form article typography.
 *
 * Loaded only on journal articles. site.css is a compiled Tailwind build with
 * no prose utilities, and article bodies come from the editor as bare HTML, so
 * the styling has to be attached to the elements themselves rather than to
 * classes on the markup. Everything below is scoped to .tsc-article and uses
 * the site's own tokens, so it follows light and dark alike.
 */

/*
 * The reading measure. site.css has no max-width near this value and the
 * comfortable line length is worth being exact about, so it lives here rather
 * than being rounded to whatever the frozen bundle happens to contain.
 */
.tsc-article-measure {
	margin-left: auto;
	margin-right: auto;
	max-width: 50rem;
	/* Anchors the rail, which hangs in the left margin on wide screens. */
	position: relative;
}

.tsc-article {
	color: var(--muted-foreground);
	font-size: 1.0625rem;
	line-height: 1.9;
}

.tsc-article-meta {
	flex-wrap: wrap;
}

.tsc-article-meta__author {
	color: var(--ink);
	text-decoration: none;
	transition: color 0.35s ease;
}

.tsc-article-meta__author:hover {
	color: var(--bronze);
}

/* The bundle only carries the positive translate utilities. */
.tsc-article-back__arrow {
	transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.tsc-article-back:hover .tsc-article-back__arrow {
	transform: translateX(-0.5rem);
}

.tsc-article > *:first-child {
	margin-top: 0;
}

.tsc-article > *:last-child {
	margin-bottom: 0;
}

/* -------------------------------------------------------------- hero image
 * A 3:2 frame at this width stood almost three quarters of the window tall, so
 * the article itself opened below the fold. Capping the height against the
 * viewport keeps the photograph an opening image rather than a page of its own;
 * the picture is cropped to fit rather than letterboxed.
 */

.tsc-article-hero {
	background: var(--muted);
	/* Height is set rather than derived from a ratio: a ratio with a capped
	   height narrows the frame instead of cropping it. */
	height: clamp(14rem, 40vw, 30rem);
	max-height: 52vh;
	overflow: hidden;
	position: relative;
	width: 100%;
}

/* -------------------------------------------------------------------- rail
 * The full byline and share actions close the article. The masthead carries a
 * compact author credit, while this panel gives the portrait and role enough
 * room without interrupting the reading column.
 */

.tsc-rail {
	margin: 0;
}

.tsc-rail--author,
.tsc-rail--footer {
	border-top: 1px solid var(--border);
	margin-top: 5rem;
	padding-top: 2.5rem;
}

.tsc-rail--share {
	border-bottom: 1px solid var(--border);
	margin-bottom: 3rem;
	padding-bottom: 1.75rem;
}

.tsc-rail--share .tsc-rail__inner {
	justify-content: flex-end;
}

.tsc-rail__inner {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem 2.5rem;
	justify-content: space-between;
}

.tsc-rail__author {
	align-items: center;
	display: flex;
	gap: 1rem;
}

.tsc-rail__portrait {
	background: var(--stone-warm);
	border-radius: 50%;
	display: block;
	flex: none;
	height: 3.75rem;
	overflow: hidden;
	width: 3.75rem;
}

.tsc-rail__portrait img {
	height: 100%;
	margin: 0;
	object-fit: cover;
	width: 100%;
}

.tsc-rail__initials {
	align-items: center;
	color: var(--muted-foreground);
	display: flex;
	font-family: var(--font-serif);
	height: 100%;
	justify-content: center;
}

.tsc-rail__byline {
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.tsc-rail__label {
	color: var(--muted-foreground);
	font-size: 0.6rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
}

.tsc-rail__name {
	color: var(--ink);
	font-family: var(--font-serif);
	font-size: 1.0625rem;
	line-height: 1.2;
	text-decoration: none;
	transition: color 0.4s ease;
}

.tsc-rail__name:hover {
	color: var(--bronze);
}

.tsc-rail__role {
	color: var(--muted-foreground);
	font-size: 0.78rem;
	line-height: 1.5;
}

.tsc-rail__share {
	display: flex;
	align-items: center;
	gap: 1rem;
	position: relative;
}

.tsc-rail__icons {
	display: flex;
	gap: 0.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.tsc-rail__icons li {
	margin: 0;
	padding: 0;
}

/* The list styling above is generic; the article's dash bullet must not reach
   in here. */
.tsc-rail__icons > li::before {
	content: none;
}

.tsc-rail__icon {
	align-items: center;
	background: none;
	border: 1px solid color-mix(in oklab, var(--foreground) 15%, transparent);
	color: var(--muted-foreground);
	cursor: pointer;
	display: flex;
	height: 2.25rem;
	justify-content: center;
	padding: 0;
	transition: color 0.4s ease, border-color 0.4s ease, background-color 0.4s ease;
	width: 2.25rem;
}

.tsc-rail__icon svg {
	display: block;
	height: 0.95rem;
	margin: 0;
	width: 0.95rem;
}

.tsc-rail__icon:hover,
.tsc-rail__icon:focus-visible {
	background: var(--ink);
	border-color: var(--ink);
	color: var(--background);
	outline: none;
}

/* Confirmation for the copy button, which otherwise gives no sign it worked. */
.tsc-rail__toast {
	color: var(--bronze);
	font-size: 0.6rem;
	letter-spacing: 0.28em;
	opacity: 0;
	pointer-events: none;
	text-transform: uppercase;
	transition: opacity 0.4s ease;
	white-space: nowrap;
}

.tsc-rail__toast.is-visible {
	opacity: 1;
}

@media (min-width: 82rem) {
	.tsc-rail--share {
		border-bottom: 0;
		bottom: 0;
		left: -16.5rem;
		margin-bottom: 0;
		padding-bottom: 0;
		position: absolute;
		top: 0;
		width: 12.5rem;
	}

	.tsc-rail--share .tsc-rail__inner {
		align-items: flex-start;
		display: flex;
		flex-direction: column;
		gap: 2.5rem;
		height: 100%;
	}

	.tsc-rail--share .tsc-rail__share {
		align-items: flex-start;
		flex-direction: column;
		gap: 1rem;
		position: sticky;
		top: 7.5rem;
		width: 100%;
	}

	.tsc-rail--share .tsc-rail__icons {
		flex-direction: column;
	}
}

@media (max-width: 39.99rem) {
	.tsc-rail--author .tsc-rail__inner,
	.tsc-rail--footer .tsc-rail__inner {
		align-items: flex-start;
		flex-direction: column;
	}

	.tsc-rail--author .tsc-rail__share,
	.tsc-rail--footer .tsc-rail__share {
		align-items: flex-start;
		flex-direction: column;
	}
}

/* ---------------------------------------------------------------- headings */

.tsc-article h2,
.tsc-article h3,
.tsc-article h4 {
	color: var(--ink);
	font-family: var(--font-serif);
	letter-spacing: -0.01em;
}

.tsc-article h2 {
	font-size: 2rem;
	line-height: 1.2;
	margin: 3.5rem 0 1.25rem;
}

.tsc-article h3 {
	font-size: 1.5rem;
	line-height: 1.3;
	margin: 2.75rem 0 1rem;
}

.tsc-article h4 {
	font-size: 1.25rem;
	line-height: 1.4;
	margin: 2.25rem 0 0.75rem;
}

/* A heading straight after another should not inherit the full gap. */
.tsc-article h2 + h3,
.tsc-article h3 + h4 {
	margin-top: 1.5rem;
}

/* ------------------------------------------------------------- body blocks */

.tsc-article p {
	margin: 0 0 1.75rem;
}

.tsc-article .wp-block-buttons {
	display: flex;
	justify-content: flex-start;
	margin: 2.5rem 0 2.25rem;
}

.tsc-article .wp-block-button {
	margin: 0;
}

.tsc-article .wp-block-button__link {
	display: inline-flex;
	align-items: center;
	gap: 1rem;
	min-height: 3.25rem;
	border: 1px solid var(--bronze);
	border-radius: 0;
	padding: 0.9rem 1.35rem;
	background: transparent;
	color: var(--ink);
	font-family: var(--font-sans);
	font-size: 0.65rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	line-height: 1.2;
	text-decoration: none;
	text-transform: uppercase;
	transition: background-color 0.4s ease, color 0.4s ease;
}

.tsc-article .wp-block-button__link:hover,
.tsc-article .wp-block-button__link:focus-visible {
	background: var(--bronze);
	color: var(--background);
	outline: none;
}

.tsc-article .tsc-research-note {
	margin-top: 0;
	border-top: 1px solid var(--border);
	padding-top: 1.5rem;
	color: var(--muted-foreground);
	font-size: 0.82rem;
	line-height: 1.7;
}

.tsc-article ul,
.tsc-article ol {
	margin: 0 0 1.75rem;
	padding-left: 1.5rem;
}

.tsc-article ul {
	list-style: none;
	padding-left: 1.25rem;
}

.tsc-article ol {
	list-style: decimal;
}

.tsc-article li {
	margin-bottom: 0.75rem;
	padding-left: 0.25rem;
}

.tsc-article li::marker {
	color: var(--bronze);
	font-size: 0.9em;
}

/* Bulleted lists get a hairline dash rather than a disc, matching the eyebrow
   rules used throughout the site. */
.tsc-article ul > li {
	position: relative;
}

.tsc-article ul > li::before {
	background: var(--bronze);
	content: "";
	height: 1px;
	left: -1.25rem;
	position: absolute;
	top: 0.95em;
	width: 0.6rem;
}

.tsc-article blockquote {
	border-left: 1px solid var(--bronze);
	color: var(--ink);
	font-family: var(--font-serif);
	font-size: 1.5rem;
	line-height: 1.5;
	margin: 3rem 0;
	padding-left: 2rem;
}

.tsc-article blockquote p:last-child {
	margin-bottom: 0;
}

.tsc-article blockquote cite {
	color: var(--muted-foreground);
	display: block;
	font-family: var(--font-sans);
	font-size: 0.65rem;
	font-style: normal;
	letter-spacing: 0.28em;
	margin-top: 1.25rem;
	text-transform: uppercase;
}

/* ----------------------------------------------------------------- tables */

.tsc-article table {
	border-collapse: collapse;
	font-size: 0.95rem;
	line-height: 1.6;
	margin: 2.75rem 0;
	table-layout: auto;
	width: 100%;
}

.tsc-article th,
.tsc-article td {
	border-bottom: 1px solid var(--border);
	padding: 0.9rem 1.25rem 0.9rem 0;
	text-align: left;
	vertical-align: top;
}

.tsc-article th:last-child,
.tsc-article td:last-child {
	padding-right: 0;
}

.tsc-article thead th {
	border-bottom-color: color-mix(in oklab, var(--bronze) 45%, transparent);
	color: var(--bronze);
	font-size: 0.62rem;
	font-weight: 400;
	letter-spacing: 0.28em;
	padding-bottom: 0.85rem;
	text-transform: uppercase;
}

.tsc-article tbody th {
	color: var(--ink);
	font-weight: 500;
}

.tsc-article tbody tr:last-child th,
.tsc-article tbody tr:last-child td {
	border-bottom: 0;
}

.tsc-article caption {
	caption-side: bottom;
	color: var(--muted-foreground);
	font-size: 0.8rem;
	line-height: 1.7;
	padding-top: 1rem;
	text-align: left;
}

.tsc-article hr {
	background: var(--border);
	border: 0;
	height: 1px;
	margin: 4rem 0;
}

/* --------------------------------------------------------------- inline ---- */

.tsc-article a {
	color: var(--ink);
	text-decoration: underline;
	text-decoration-color: var(--bronze);
	text-underline-offset: 0.25em;
	transition: color 0.4s ease;
}

.tsc-article a:hover {
	color: var(--bronze);
}

.tsc-article strong,
.tsc-article b {
	color: var(--ink);
	font-weight: 500;
}

.tsc-article code {
	background: color-mix(in oklab, var(--foreground) 6%, transparent);
	border-radius: var(--radius);
	font-size: 0.9em;
	padding: 0.15em 0.4em;
}

.tsc-article pre {
	background: color-mix(in oklab, var(--foreground) 6%, transparent);
	border-radius: var(--radius);
	margin: 2.5rem 0;
	overflow-x: auto;
	padding: 1.5rem;
}

.tsc-article pre code {
	background: none;
	padding: 0;
}

/* ----------------------------------------------------------------- media -- */

.tsc-article figure,
.tsc-article img {
	margin: 3rem 0;
}

.tsc-article img {
	display: block;
	height: auto;
	max-width: 100%;
}

.tsc-article figure img {
	margin: 0;
}

.tsc-article figcaption {
	color: var(--muted-foreground);
	font-size: 0.8rem;
	line-height: 1.7;
	margin-top: 1rem;
	text-align: center;
}

/* Editor alignment classes, which the block editor emits on images. */
.tsc-article .alignwide {
	margin-left: -3rem;
	margin-right: -3rem;
	max-width: calc(100% + 6rem);
}

.tsc-article .aligncenter {
	margin-left: auto;
	margin-right: auto;
}

@media (max-width: 48rem) {
	.tsc-article h2 {
		font-size: 1.75rem;
	}

	.tsc-article h3 {
		font-size: 1.375rem;
	}

	.tsc-article blockquote {
		font-size: 1.25rem;
		padding-left: 1.5rem;
	}

	.tsc-article .alignwide {
		margin-left: 0;
		margin-right: 0;
		max-width: 100%;
	}

	/* Editors paste bare tables, so the scroll container has to be the table
	   itself rather than a wrapper that will not be there. Only narrow screens
	   need it; a block table cannot stretch its columns to the measure. */
	.tsc-article table {
		display: block;
		overflow-x: auto;
	}

	.tsc-article thead th {
		white-space: nowrap;
	}
}