/* Dòng thời gian — plugin CSS. Tokens from the theme. Mobile first. */

.su-tl-intro,
.su-tl {
	max-width: var(--su-max);
	margin: 0 auto;
	padding: 0 1.5rem;
}

.su-tl-intro {
	padding-top: 2rem;
	padding-bottom: 2.5rem;
}

.su-tl-intro__inner {
	display: grid;
	gap: 1.5rem;
}

.su-tl-intro__portrait img {
	width: 100%;
	height: auto;
	max-height: 70vh;
	object-fit: cover;
}

.su-tl-intro__title {
	font-family: var(--su-font-display);
	font-size: var(--su-text-2xl);
	font-weight: 500;
	line-height: var(--su-leading-tight);
	margin: 0 0 0.5rem;
}

.su-tl-intro__lede {
	color: var(--su-ink-muted);
	margin: 0 0 1rem;
	max-width: var(--su-measure);
}

.su-tl-intro__body {
	max-width: var(--su-measure);
}

.su-tl-intro__body--clamp {
	max-height: 8.5rem;
	overflow: hidden;
}

.su-tl-intro__body.is-open {
	max-height: none;
}

.su-tl-intro__more {
	margin-top: 0.5rem;
	padding: 0;
	border: 0;
	background: none;
	color: var(--su-accent);
	text-decoration: underline;
	text-underline-offset: 0.2em;
	cursor: pointer;
}

.su-tl-intro__stats {
	margin: 1.25rem 0 0;
	color: var(--su-ink-muted);
	font-size: var(--su-text-sm);
}

.su-tl-intro__dot {
	margin: 0 0.35rem;
	color: var(--su-ink-faint);
}

.su-tl-toolbar {
	position: sticky;
	top: var(--su-header-h);
	z-index: 40;
	background: var(--su-bg);
	padding: 0.5rem 0 0.75rem;
	border-bottom: 1px solid var(--su-line);
	transition: transform 0.2s var(--su-ease);
}

.su-tl-toolbar.is-hidden {
	transform: translateY(-120%);
}

.su-tl-chips {
	display: flex;
	gap: 0.5rem;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

.su-tl-chips::-webkit-scrollbar {
	display: none;
}

.su-tl-chip {
	flex: 0 0 auto;
	padding: 0.35rem 0.75rem;
	border: 1px solid var(--su-line);
	border-radius: 4px;
	font-size: var(--su-text-sm);
	text-decoration: none;
	white-space: nowrap;
}

.su-tl-chip.is-on {
	border-color: var(--su-ink);
	background: var(--su-bg-elevated);
}

.su-tl-toolbar__row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem 1.25rem;
	align-items: center;
	margin-top: 0.65rem;
	font-size: var(--su-text-sm);
}

.su-tl-order {
	border: 0;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.su-tl-order__legend {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
}

.su-tl-years--mobile {
	display: flex;
	gap: 0.75rem;
	overflow-x: auto;
	margin-top: 0.65rem;
	padding-bottom: 0.15rem;
	font-size: var(--su-text-sm);
	color: var(--su-ink-muted);
	-webkit-overflow-scrolling: touch;
}

.su-tl-years--mobile a.is-on,
.su-tl-years--rail a.is-on {
	color: var(--su-ink);
	font-weight: 600;
}

.su-tl-years--rail {
	display: none;
}

.su-tl-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 0;
	padding: 1.5rem 0 4rem;
}

.su-tl-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.su-tl-item {
	display: grid;
	grid-template-columns: 2px minmax(0, 1fr);
	column-gap: 1rem;
	padding-left: 8px;
	margin: 0 0 2rem;
	scroll-margin-top: calc(var(--su-header-h) + 3.25rem);
	position: relative;
}

.su-tl-item__date {
	grid-column: 1 / -1;
	font-size: var(--su-text-sm);
	color: var(--su-ink-muted);
	margin-bottom: 0.35rem;
}

.su-tl-item__axis {
	grid-column: 1;
	grid-row: 2;
	background: var(--su-line);
	position: relative;
}

.su-tl-item__dot {
	position: absolute;
	top: 0.45rem;
	left: 50%;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--su-accent);
	transform: translateX(-50%);
}

.su-tl-item--w1 .su-tl-item__dot {
	width: 6px;
	height: 6px;
	background: var(--su-ink-faint);
}

.su-tl-item--w3 .su-tl-item__dot {
	width: 10px;
	height: 10px;
}

.su-tl-item__body {
	grid-column: 2;
	grid-row: 2;
	min-width: 0;
}

.su-tl-year {
	list-style: none;
	margin: 2.5rem 0 1rem;
	padding: 0;
	scroll-margin-top: calc(var(--su-header-h) + 3.25rem);
}

.su-tl-year:first-child {
	margin-top: 0;
}

.su-tl-year__title {
	font-family: var(--su-font-display);
	font-size: var(--su-text-xl);
	font-weight: 500;
	margin: 0;
	padding-bottom: 0.35rem;
	border-bottom: 1px solid var(--su-line);
}

.su-tl-card {
	background: var(--su-bg-elevated);
	border: 1px solid var(--su-line);
	border-radius: 4px;
	padding: 1rem;
}

.su-tl-item--w1 .su-tl-card,
.su-tl-oneline {
	background: none;
	border: 0;
	padding: 0;
	border-radius: 0;
}

.su-tl-card--featured {
	padding: 0 0 1rem;
}

.su-tl-card--featured .su-tl-card__media,
.su-tl-card--featured .su-tl-mosaic {
	border-radius: 4px 4px 0 0;
	overflow: hidden;
}

.su-tl-card--featured .su-tl-card__title,
.su-tl-card--featured .su-tl-card__kind,
.su-tl-card--featured .su-tl-card__when,
.su-tl-card--featured .su-tl-card__blurb,
.su-tl-card--featured .su-tl-card__place,
.su-tl-card--featured .su-tl-card__people,
.su-tl-card--featured .su-tl-card__more,
.su-tl-card--featured .su-tl-card__link,
.su-tl-card--featured .su-tl-card__book {
	padding-left: 1rem;
	padding-right: 1rem;
}

.su-tl-card__title {
	font-family: var(--su-font-display);
	font-size: var(--su-text-lg);
	font-weight: 500;
	margin: 0 0 0.35rem;
	line-height: var(--su-leading-tight);
}

.su-tl-card--featured .su-tl-card__title {
	font-size: var(--su-text-xl);
}

.su-tl-card__kind,
.su-tl-card__when,
.su-tl-card__place,
.su-tl-card__people {
	margin: 0 0 0.25rem;
	font-size: var(--su-text-sm);
	color: var(--su-ink-muted);
}

.su-tl-card__blurb {
	margin: 0.5rem 0 0.75rem;
}

.su-tl-card__media img,
.su-tl-mosaic img {
	width: 100%;
	height: auto;
	max-height: 70vh;
	object-fit: cover;
}

.su-tl-card__book {
	display: grid;
	grid-template-columns: minmax(5.5rem, 8rem) minmax(0, 1fr);
	gap: 1rem;
	align-items: start;
}

.su-tl-card--featured .su-tl-card__book {
	grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr);
	padding-top: 1rem;
}

.su-tl-card__cover {
	aspect-ratio: 2 / 3;
	overflow: hidden;
	display: block;
}

.su-tl-card__cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	max-height: none;
}

.su-tl-mosaic {
	display: grid;
	gap: 0.25rem;
	margin-top: 0.75rem;
}

.su-tl-mosaic--1 {
	grid-template-columns: 1fr;
}

.su-tl-mosaic--2,
.su-tl-mosaic--4 {
	grid-template-columns: 1fr 1fr;
}

.su-tl-mosaic--3 {
	grid-template-columns: 1.4fr 1fr;
	grid-template-rows: 1fr 1fr;
}

.su-tl-mosaic--3 .su-tl-mosaic__item:first-child {
	grid-row: 1 / span 2;
}

.su-tl-mosaic__item {
	margin: 0;
	position: relative;
}

.su-tl-mosaic__item a {
	display: block;
}

.su-tl-mosaic__more {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(26, 29, 33, 0.45);
	color: var(--su-hero-ink);
	font-size: var(--su-text-lg);
}

.su-tl-mosaic__cap {
	margin: 0.35rem 0 0;
	font-size: var(--su-text-sm);
	color: var(--su-ink-muted);
}

.su-tl-mosaic__hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
}

.su-tl-oneline {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 0.75rem;
	align-items: baseline;
	font-size: var(--su-text-sm);
}

.su-tl-oneline__kind {
	color: var(--su-ink-faint);
}

.su-tl-oneline__date {
	color: var(--su-ink-muted);
}

.su-tl-card__more {
	margin-top: 0.75rem;
	font-size: var(--su-text-sm);
}

.su-tl-card__link {
	margin: 0.75rem 0 0;
	font-size: var(--su-text-sm);
}

.su-tl-more-wrap {
	margin: 2rem 0 0;
}

.su-tl-more {
	border: 1px solid var(--su-line);
	background: var(--su-bg-elevated);
	border-radius: 4px;
	padding: 0.55rem 1.1rem;
	cursor: pointer;
}

.su-tl-empty {
	color: var(--su-ink-muted);
}

.su-tl-item--tone-muted .su-tl-item__dot {
	background: var(--su-ink-muted);
}

.su-tl-item--tone-faint .su-tl-item__dot {
	background: var(--su-ink-faint);
}

.su-tl-item--tone-danger .su-tl-item__dot {
	background: var(--su-danger);
}

.su-tl-item--tone-ink .su-tl-item__dot {
	background: var(--su-ink);
}

.su-tl-list--pins {
	margin-bottom: 3rem;
}

@media (min-width: 721px) {
	.su-tl-intro__inner {
		grid-template-columns: 12.5rem minmax(0, 1fr);
		gap: 2rem;
		align-items: start;
	}

	.su-tl-item {
		grid-template-columns: 5.5rem 2rem minmax(0, 1fr);
		column-gap: 0;
		padding-left: 0;
	}

	.su-tl-item__date {
		grid-column: 1;
		grid-row: 1;
		text-align: right;
		padding-right: 0.75rem;
		margin: 0;
		padding-top: 0.35rem;
	}

	.su-tl-item__axis {
		grid-column: 2;
		grid-row: 1;
	}

	.su-tl-item__body {
		grid-column: 3;
		grid-row: 1;
	}

	.su-tl-year {
		margin-top: 4rem;
	}
}

@media (min-width: 961px) {
	.su-tl-toolbar.is-hidden {
		transform: none;
	}

	.su-tl-years--mobile {
		display: none;
	}

	.su-tl-layout {
		grid-template-columns: minmax(0, 1fr) 6.5rem;
		gap: 2rem;
	}

	.su-tl-item {
		grid-template-columns: minmax(5.5rem, 7.5rem) 2rem minmax(0, 42rem);
	}

	.su-tl-years--rail {
		display: flex;
		flex-direction: column;
		gap: 0.4rem;
		position: sticky;
		top: calc(var(--su-header-h) + 0.75rem);
		align-self: start;
		font-size: var(--su-text-sm);
		color: var(--su-ink-muted);
		text-align: right;
	}
}

@media (prefers-reduced-motion: reduce) {
	.su-tl-toolbar,
	.su-tl-chip,
	.su-tl-more,
	.su-tl-intro__body {
		transition: none;
	}

	html:has(.su-is-timeline) {
		scroll-behavior: auto;
	}
}