/**
 * Timeline Studio frontend.
 *
 * Expected renderer classes are deliberately independent from the active theme.
 * Theme authors can override the documented custom properties on the root.
 */
.timeline-studio {
	--timeline-accent: var(--wp--preset--color--contrast, #1e5eff);
	--timeline-background: var(--wp--preset--color--base, #fff);
	--timeline-border: color-mix(in srgb, currentColor 22%, transparent);
	--timeline-card-background: var(--wp--preset--color--base, #fff);
	--timeline-card-radius: 8px;
	--timeline-gap: clamp(1.25rem, 3vw, 2.5rem);
	--timeline-line-width: 2px;
	--timeline-marker-size: 1rem;
	--timeline-muted: color-mix(in srgb, currentColor 68%, transparent);
	box-sizing: border-box;
	color: inherit;
	container-type: inline-size;
	inline-size: 100%;
	position: relative;
}

.timeline-studio *,
.timeline-studio *::before,
.timeline-studio *::after {
	box-sizing: border-box;
}

.timeline-studio__items {
	list-style: none;
	margin: 0;
	padding: 0;
}

.timeline-studio__item {
	min-inline-size: 0;
	position: relative;
}

.timeline-studio__content {
	background: var(--timeline-card-background);
	border: 1px solid var(--timeline-border);
	border-radius: var(--timeline-card-radius);
	color: inherit;
	overflow-wrap: anywhere;
	padding: clamp(1rem, 2.5vw, 1.5rem);
}

.timeline-studio__event-header {
	margin-block-end: 0.85rem;
}

.timeline-studio__event-title {
	font-size: clamp(1.05rem, 0.98rem + 0.45vw, 1.35rem);
	line-height: 1.3;
	margin: 0;
}

.timeline-studio__event-title a {
	color: inherit;
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.16em;
}

.timeline-studio__event-content > :first-child {
	margin-block-start: 0;
}

.timeline-studio__event-content > :last-child {
	margin-block-end: 0;
}

.timeline-studio__date {
	color: var(--timeline-muted);
	display: block;
	font-size: 0.875em;
	font-variant-numeric: tabular-nums;
	font-weight: 600;
	line-height: 1.5;
	margin-block-end: 0.35rem;
}

.timeline-studio__title {
	font: inherit;
	font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
	font-weight: 700;
	line-height: 1.25;
	margin: 0 0 0.65rem;
}

.timeline-studio__title a {
	color: inherit;
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.16em;
}

.timeline-studio__intro {
	color: var(--timeline-text);
	margin-block: 0 1.5rem;
	max-width: 72ch;
}

.timeline-studio__intro > :first-child {
	margin-block-start: 0;
}

.timeline-studio__intro > :last-child {
	margin-block-end: 0;
}

.timeline-studio__body > :first-child {
	margin-block-start: 0;
}

.timeline-studio__body > :last-child {
	margin-block-end: 0;
}

.timeline-studio__media {
	border-radius: max(0px, calc(var(--timeline-card-radius) - 2px));
	display: block;
	height: auto;
	margin-block-end: 1rem;
	max-inline-size: 100%;
}

.timeline-studio__marker {
	align-items: center;
	background: var(--timeline-accent);
	border: 3px solid var(--timeline-background);
	border-radius: 50%;
	color: #fff;
	display: flex;
	height: var(--timeline-marker-size);
	justify-content: center;
	position: absolute;
	width: var(--timeline-marker-size);
	z-index: 2;
}

.timeline-studio__icon {
	align-items: center;
	display: flex;
	font-size: max(0.65rem, calc(var(--timeline-marker-size) * 0.58));
	font-weight: 700;
	height: 100%;
	justify-content: center;
	line-height: 1;
	width: 100%;
}

.timeline-studio__icon::before {
	content: "•";
}

.timeline-studio__icon[data-icon="calendar"]::before {
	content: "▦";
}

.timeline-studio__icon[data-icon="flag"]::before {
	content: "⚑";
}

.timeline-studio__icon[data-icon="star"]::before {
	content: "★";
}

.timeline-studio__icon[data-icon="rocket"]::before {
	content: "↑";
}

.timeline-studio__icon[data-icon="check"]::before,
.timeline-studio__icon[data-icon="milestone"]::before {
	content: "✓";
}

.timeline-studio__filters {
	margin-block: 0 1.25rem;
}

.timeline-studio__filters ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.timeline-studio__filters a {
	border: 1px solid var(--timeline-border);
	border-radius: 999px;
	color: inherit;
	display: inline-flex;
	font-size: 0.875rem;
	font-weight: 600;
	padding: 0.45rem 0.8rem;
	text-decoration: none;
}

.timeline-studio__filters a:hover {
	background: color-mix(in srgb, var(--timeline-accent) 9%, var(--timeline-background));
}

.timeline-studio__filters a[aria-current="page"] {
	background: var(--timeline-accent);
	border-color: var(--timeline-accent);
	color: #fff;
}

/* Vertical is the resilient default and the mobile fallback for every layout. */
.timeline-studio--vertical .timeline-studio__items,
.timeline-studio[data-layout="vertical"] .timeline-studio__items,
.timeline-studio--compact .timeline-studio__items,
.timeline-studio[data-layout="compact"] .timeline-studio__items {
	display: grid;
	gap: var(--timeline-gap);
	padding-inline-start: calc(var(--timeline-marker-size) + 1rem);
	position: relative;
}

.timeline-studio--vertical .timeline-studio__items::before,
.timeline-studio[data-layout="vertical"] .timeline-studio__items::before,
.timeline-studio--compact .timeline-studio__items::before,
.timeline-studio[data-layout="compact"] .timeline-studio__items::before {
	background: var(--timeline-border);
	content: "";
	inset-block: 0;
	inset-inline-start: calc(var(--timeline-marker-size) / 2);
	position: absolute;
	width: var(--timeline-line-width);
}

.timeline-studio--vertical .timeline-studio__marker,
.timeline-studio[data-layout="vertical"] .timeline-studio__marker,
.timeline-studio--compact .timeline-studio__marker,
.timeline-studio[data-layout="compact"] .timeline-studio__marker {
	inset-block-start: 1.25rem;
	inset-inline-start: calc(-1 * (var(--timeline-marker-size) + 1rem));
}

.timeline-studio--compact {
	--timeline-gap: 1rem;
	--timeline-marker-size: 0.75rem;
}

.timeline-studio--compact .timeline-studio__content,
.timeline-studio[data-layout="compact"] .timeline-studio__content {
	background: transparent;
	border: 0;
	border-radius: 0;
	padding: 0;
}

.timeline-studio--compact .timeline-studio__marker,
.timeline-studio[data-layout="compact"] .timeline-studio__marker {
	inset-block-start: 0.4rem;
}

/* Horizontal remains a readable scroll region without JavaScript. */
.timeline-studio--horizontal .timeline-studio__items,
.timeline-studio[data-layout="horizontal"] .timeline-studio__items {
	display: grid;
	gap: var(--timeline-gap);
	grid-auto-columns: minmax(min(78vw, 22rem), 1fr);
	grid-auto-flow: column;
	overflow-x: auto;
	overscroll-behavior-inline: contain;
	padding: 0.25rem 0.25rem 1.25rem;
	scroll-padding-inline: 0.25rem;
	scroll-snap-type: inline mandatory;
	scrollbar-width: auto;
}

.timeline-studio--horizontal .timeline-studio__item,
.timeline-studio[data-layout="horizontal"] .timeline-studio__item {
	display: flex;
	padding-block-start: calc(var(--timeline-marker-size) + 1rem);
	scroll-snap-align: start;
}

.timeline-studio--horizontal .timeline-studio__item::before,
.timeline-studio[data-layout="horizontal"] .timeline-studio__item::before {
	background: var(--timeline-border);
	content: "";
	height: var(--timeline-line-width);
	inset-block-start: calc(var(--timeline-marker-size) / 2);
	inset-inline: 0;
	position: absolute;
}

.timeline-studio--horizontal .timeline-studio__marker,
.timeline-studio[data-layout="horizontal"] .timeline-studio__marker {
	inset-block-start: 0;
	inset-inline-start: 1.25rem;
}

.timeline-studio--horizontal .timeline-studio__content,
.timeline-studio[data-layout="horizontal"] .timeline-studio__content {
	inline-size: 100%;
}

.timeline-studio__controls {
	align-items: center;
	display: flex;
	gap: 0.5rem;
	justify-content: flex-end;
	margin-block-end: 0.75rem;
}

.timeline-studio__control,
.timeline-studio__load-more {
	align-items: center;
	appearance: none;
	background: var(--timeline-background);
	border: 1px solid currentColor;
	border-radius: 4px;
	color: inherit;
	cursor: pointer;
	font: inherit;
	font-weight: 600;
	justify-content: center;
	line-height: 1.2;
	min-block-size: 44px;
	min-inline-size: 44px;
	padding: 0.65rem 1rem;
	text-align: center;
	text-decoration: none;
}

.timeline-studio__control:hover,
.timeline-studio__load-more:hover {
	background: color-mix(in srgb, var(--timeline-accent) 9%, var(--timeline-background));
}

.timeline-studio__control:focus-visible,
.timeline-studio__load-more:focus-visible,
.timeline-studio a:focus-visible,
.timeline-studio [tabindex]:focus-visible {
	outline: 3px solid var(--timeline-accent);
	outline-offset: 3px;
}

.timeline-studio__control[disabled],
.timeline-studio__load-more[disabled] {
	cursor: progress;
	opacity: 0.62;
}

.timeline-studio__pagination {
	display: flex;
	justify-content: center;
	margin-block-start: var(--timeline-gap);
}

.timeline-studio__status {
	border: 0;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}

.timeline-studio__credit {
	margin: 12px 0 0;
	color: #6b7280;
	font-size: 11px;
	font-weight: 400;
	line-height: 1.4;
	text-align: end;
}

.timeline-studio__credit a {
	color: inherit;
	text-decoration: none;
}

.timeline-studio__credit a:hover {
	color: #4b5563;
	text-decoration: underline;
}

.timeline-studio__credit a:focus-visible {
	border-radius: 2px;
	outline: 2px solid currentColor;
	outline-offset: 2px;
	text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
	.timeline-studio__credit {
		color: #9ca3af;
	}
}

@media (forced-colors: active) {
	.timeline-studio__credit,
	.timeline-studio__credit a {
		color: LinkText;
	}
}

.timeline-studio__error {
	background: #fcf0f1;
	border-inline-start: 4px solid #d63638;
	color: #3c434a;
	margin-block-start: 1rem;
	padding: 0.75rem 1rem;
}

.timeline-studio__item[tabindex="-1"]:focus {
	outline: 3px solid var(--timeline-accent);
	outline-offset: 4px;
}

@container (min-width: 760px) {
	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__items {
		grid-template-columns: 1fr 1fr;
		padding-inline-start: 0;
	}

	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__items::before {
		inset-inline-start: 50%;
	}

	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__item {
		inline-size: calc(100% - (var(--timeline-gap) / 2));
	}

	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__item:nth-child(even) {
		grid-column: 2;
	}

	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__marker {
		inset-inline-start: auto;
		inset-inline-end: calc(-1 * ((var(--timeline-gap) / 2) + (var(--timeline-marker-size) / 2)));
	}

	.timeline-studio--vertical.timeline-studio--alternating .timeline-studio__item:nth-child(even) .timeline-studio__marker {
		inset-inline-end: auto;
		inset-inline-start: calc(-1 * ((var(--timeline-gap) / 2) + (var(--timeline-marker-size) / 2)));
	}
}

@container (max-width: 599px) {
	.timeline-studio--horizontal .timeline-studio__items,
	.timeline-studio[data-layout="horizontal"] .timeline-studio__items {
		display: grid;
		gap: var(--timeline-gap);
		grid-auto-columns: auto;
		grid-auto-flow: row;
		overflow: visible;
		padding: 0 0 0 calc(var(--timeline-marker-size) + 1rem);
		scroll-snap-type: none;
	}

	.timeline-studio--horizontal .timeline-studio__items::before,
	.timeline-studio[data-layout="horizontal"] .timeline-studio__items::before {
		background: var(--timeline-border);
		content: "";
		inset-block: 0;
		inset-inline-start: calc(var(--timeline-marker-size) / 2);
		position: absolute;
		width: var(--timeline-line-width);
	}

	.timeline-studio--horizontal .timeline-studio__item,
	.timeline-studio[data-layout="horizontal"] .timeline-studio__item {
		display: block;
		padding-block-start: 0;
	}

	.timeline-studio--horizontal .timeline-studio__item::before,
	.timeline-studio[data-layout="horizontal"] .timeline-studio__item::before {
		content: none;
	}

	.timeline-studio--horizontal .timeline-studio__marker,
	.timeline-studio[data-layout="horizontal"] .timeline-studio__marker {
		inset-block-start: 1.25rem;
		inset-inline-start: calc(-1 * (var(--timeline-marker-size) + 1rem));
	}

	.timeline-studio__controls {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.timeline-studio *,
	.timeline-studio *::before,
	.timeline-studio *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}

@media (forced-colors: active) {
	.timeline-studio {
		--timeline-accent: Highlight;
		--timeline-border: CanvasText;
	}

	.timeline-studio__marker {
		forced-color-adjust: none;
	}
}