/**
 * Silicon Valley Founding Timeline.
 * Scoped to .pat-svt and matched to WikiPress theme tokens.
 *
 * As with the neighbourhood explorer, no prefers-color-scheme override: the
 * WikiPress theme is light-only, and a dark widget in light chrome reads as
 * broken rather than themed.
 */
.pat-svt {
	--pat-svt-link: var(--wikipress-primary, #0645ad);
	--pat-svt-link-hover: var(--wikipress-primary-hover, #043a7a);
	--pat-svt-text: var(--wikipress-text, #202122);
	--pat-svt-muted: var(--wikipress-text-light, #54595d);
	--pat-svt-heading: var(--wikipress-heading, #000);
	--pat-svt-border: var(--wikipress-border-light, #eaecf0);
	--pat-svt-border-strong: var(--wikipress-border, #a2a9b1);
	--pat-svt-bg: var(--wikipress-bg, #fff);
	--pat-svt-bg-soft: var(--wikipress-bg-off, #f8f9fa);
	--pat-svt-missing: #ba0000;
	color: var(--pat-svt-text);
	container-type: inline-size;
	font-family: var(--wikipress-font-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
	margin: 2rem 0;
	max-width: 100%;
	overflow-wrap: anywhere;
	white-space: normal;
}

.pat-svt *,
.pat-svt *::before,
.pat-svt *::after {
	box-sizing: border-box;
}

/* --- header ------------------------------------------------------------- */

.pat-svt__header {
	border-bottom: 1px solid var(--pat-svt-border);
	padding-bottom: 1.25rem;
}

.pat-svt__eyebrow {
	color: var(--pat-svt-muted);
	font-size: .75rem;
	font-weight: 500;
	letter-spacing: .08em;
	margin: 0 0 .35rem;
	text-transform: uppercase;
}

.pat-svt__title {
	color: var(--pat-svt-heading);
	font-size: 1.6rem;
	line-height: 1.25;
	margin: 0 0 .5rem;
}

.pat-svt__intro {
	color: var(--pat-svt-muted);
	font-size: .95rem;
	line-height: 1.6;
	margin: 0;
	max-width: 66ch;
}

/* --- toolbar ------------------------------------------------------------ */

.pat-svt__toolbar {
	align-items: flex-end;
	border-bottom: 1px solid var(--pat-svt-border);
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 1.5rem;
	padding: 1rem 0;
}

.pat-svt__label {
	color: var(--pat-svt-muted);
	display: block;
	font-size: .75rem;
	font-weight: 600;
	letter-spacing: .04em;
	margin-bottom: .35rem;
	padding: 0;
	text-transform: uppercase;
}

.pat-svt__search {
	flex: 1 1 14rem;
	min-width: 0;
}

.pat-svt__search-input {
	background: var(--pat-svt-bg);
	border: 1px solid var(--pat-svt-border-strong);
	border-radius: 2px;
	color: inherit;
	font: inherit;
	padding: .5rem .65rem;
	width: 100%;
}

.pat-svt__filter {
	border: 0;
	margin: 0;
	min-width: 0;
	padding: 0;
}

.pat-svt__chips {
	display: flex;
	flex-wrap: wrap;
	gap: .35rem .9rem;
}

.pat-svt__chips--decades {
	max-width: 26rem;
}

.pat-svt__chip-toggle {
	align-items: center;
	cursor: pointer;
	display: inline-flex;
	font-size: .85rem;
	gap: .35rem;
	line-height: 1.3;
}

.pat-svt__swatch {
	background: var(--pat-svt-swatch, var(--pat-svt-muted));
	border-radius: 2px;
	display: inline-block;
	flex: none;
	height: .8rem;
	width: .8rem;
}

.pat-svt__actions {
	display: flex;
	gap: .5rem;
	margin-left: auto;
}

.pat-svt__zoom {
	align-items: stretch;
	border: 1px solid var(--pat-svt-border-strong);
	border-radius: 2px;
	display: inline-flex;
}

.pat-svt__zoom button {
	background: var(--pat-svt-bg-soft);
	border: 0;
	color: inherit;
	cursor: pointer;
	font: inherit;
	font-size: 1rem;
	line-height: 1;
	padding: .45rem .7rem;
}

.pat-svt__zoom button:hover {
	background: var(--pat-svt-border);
}

.pat-svt__zoom-level {
	align-items: center;
	border-left: 1px solid var(--pat-svt-border);
	border-right: 1px solid var(--pat-svt-border);
	color: var(--pat-svt-muted);
	display: inline-flex;
	font-size: .8rem;
	font-variant-numeric: tabular-nums;
	justify-content: center;
	min-width: 3rem;
}

.pat-svt__reset {
	background: var(--pat-svt-bg-soft);
	border: 1px solid var(--pat-svt-border-strong);
	border-radius: 2px;
	color: inherit;
	cursor: pointer;
	font: inherit;
	font-size: .85rem;
	padding: .5rem .9rem;
}

.pat-svt__reset:hover {
	background: var(--pat-svt-border);
}

.pat-svt__search-input:focus-visible,
.pat-svt__reset:focus-visible,
.pat-svt__share:focus-visible,
.pat-svt__zoom button:focus-visible,
.pat-svt__viewport:focus-visible,
.pat-svt__item-button:focus-visible,
.pat-svt__node-btn:focus-visible {
	outline: 2px solid var(--pat-svt-link);
	outline-offset: 2px;
}

/* --- timeline ----------------------------------------------------------- */

.pat-svt__viewport {
	background: var(--pat-svt-bg-soft);
	border: 1px solid var(--pat-svt-border);
	border-radius: 3px;
	cursor: grab;
	margin-top: 1.25rem;
	overflow-x: auto;
	overflow-y: hidden;
	overscroll-behavior-x: contain;
	padding: 0;
	position: relative;
}

.pat-svt__viewport.is-dragging {
	cursor: grabbing;
	user-select: none;
}

.pat-svt__track {
	min-height: 8rem;
	padding: 2.75rem 0 1rem;
	position: relative;
}

/* --- axis --------------------------------------------------------------- */

.pat-svt__axis {
	height: 2.75rem;
	left: 0;
	position: absolute;
	right: 0;
	top: 0;
}

.pat-svt__tick {
	border-left: 1px solid var(--pat-svt-border-strong);
	bottom: 0;
	opacity: .55;
	position: absolute;
	top: 1.5rem;
}

.pat-svt__tick-label {
	color: var(--pat-svt-muted);
	font-size: .75rem;
	font-variant-numeric: tabular-nums;
	left: .3rem;
	position: absolute;
	top: -1.3rem;
	white-space: nowrap;
}

/* --- nodes -------------------------------------------------------------- */

.pat-svt__nodes {
	position: relative;
}

.pat-svt__node {
	position: absolute;
	top: 0;
	width: 11.5rem;
}

.pat-svt__node.is-hidden {
	display: none;
}

/* Zoomed out: year markers only, so entries pack into a few lanes instead of
   dozens. Titles remain on the button via aria-label and title. */
.pat-svt__nodes.is-compact .pat-svt__node {
	width: 3.5rem;
}

.pat-svt__nodes.is-compact .pat-svt__node-title {
	display: none;
}

.pat-svt__nodes.is-compact .pat-svt__node-btn {
	padding: .2rem .35rem;
}

.pat-svt__nodes.is-compact .pat-svt__node-date {
	font-size: .72rem;
}

/* Height is derived from the lane height the script sets, so boxes can never
   grow taller than the row they sit in. */
.pat-svt__node-btn {
	background: var(--pat-svt-bg);
	border: 1px solid var(--pat-svt-border-strong);
	border-left: 3px solid var(--pat-svt-node, var(--pat-svt-muted));
	border-radius: 2px;
	color: inherit;
	cursor: pointer;
	display: block;
	font: inherit;
	height: calc(var(--pat-svt-lane, 64px) - 10px);
	overflow: hidden;
	padding: .3rem .5rem;
	text-align: left;
	width: 100%;
}

.pat-svt__node-btn:hover {
	border-color: var(--pat-svt-node, var(--pat-svt-muted));
	box-shadow: 0 1px 4px rgba(0, 0, 0, .1);
}

.pat-svt__node.is-selected .pat-svt__node-btn {
	background: var(--pat-svt-bg);
	border-color: var(--pat-svt-heading);
	box-shadow: 0 0 0 2px var(--pat-svt-node, var(--pat-svt-muted));
}

.pat-svt__node-date {
	color: var(--pat-svt-muted);
	display: block;
	font-size: .7rem;
	font-variant-numeric: tabular-nums;
	font-weight: 700;
	letter-spacing: .03em;
}

.pat-svt__node-title {
	display: -webkit-box;
	font-size: .78rem;
	line-height: 1.3;
	overflow: hidden;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
}

.pat-svt__hint {
	color: var(--pat-svt-muted);
	font-size: .8rem;
	margin: .5rem 0 0;
}

/* --- detail panel ------------------------------------------------------- */

.pat-svt__panel {
	background: var(--pat-svt-bg);
	border: 1px solid var(--pat-svt-border);
	border-radius: 3px;
	margin-top: 1.25rem;
	padding: 1.15rem 1.25rem;
}

.pat-svt__panel-empty h3,
.pat-svt__detail-title {
	color: var(--pat-svt-heading);
	font-size: 1.15rem;
	line-height: 1.3;
	margin: 0 0 .5rem;
}

.pat-svt__panel-empty p {
	color: var(--pat-svt-muted);
	font-size: .9rem;
	line-height: 1.6;
	margin: 0;
}

.pat-svt__detail-date {
	color: var(--pat-svt-muted);
	font-size: .8rem;
	font-weight: 600;
	letter-spacing: .04em;
	margin: 0 0 .2rem;
	text-transform: uppercase;
}

.pat-svt__detail-meta,
.pat-svt__item-meta {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: .5rem;
	margin: 0 0 .75rem;
}

.pat-svt__chip {
	background: var(--pat-svt-bg-soft);
	border-left: 3px solid var(--pat-svt-swatch, var(--pat-svt-muted));
	color: var(--pat-svt-muted);
	display: inline-flex;
	font-size: .75rem;
	font-weight: 600;
	padding: .18rem .5rem;
}

.pat-svt__place {
	color: var(--pat-svt-muted);
	font-size: .8rem;
}

.pat-svt__detail-summary {
	font-size: .92rem;
	line-height: 1.65;
	margin: 0 0 .75rem;
	max-width: 72ch;
}

.pat-svt__detail-people,
.pat-svt__item-people {
	color: var(--pat-svt-muted);
	font-size: .85rem;
	margin: 0 0 .5rem;
}

.pat-svt__detail-people-label,
.pat-svt__item-people-label {
	font-weight: 600;
}

.pat-svt__detail-note,
.pat-svt__item-note {
	border-left: 2px solid var(--pat-svt-border-strong);
	color: var(--pat-svt-muted);
	font-size: .82rem;
	line-height: 1.55;
	margin: 0 0 .75rem;
	padding-left: .65rem;
}

.pat-svt__detail-actions {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: .75rem;
	margin: 0;
}

.pat-svt a {
	color: var(--pat-svt-link);
	text-decoration: none;
}

.pat-svt a:hover,
.pat-svt a:focus {
	color: var(--pat-svt-link-hover);
	text-decoration: underline;
}

/* Wiki convention: a link to an article nobody has written reads red. */
.pat-svt a.pat-svt__link--missing,
.pat-svt .pat-svt__link--missing {
	color: var(--pat-svt-missing);
}

.pat-svt__share {
	background: none;
	border: 1px solid var(--pat-svt-border-strong);
	border-radius: 2px;
	color: var(--pat-svt-muted);
	cursor: pointer;
	font: inherit;
	font-size: .78rem;
	padding: .3rem .65rem;
}

.pat-svt__share:hover {
	background: var(--pat-svt-bg-soft);
	color: var(--pat-svt-text);
}

.pat-svt__share.is-copied {
	border-color: var(--pat-svt-link);
	color: var(--pat-svt-link);
}

/* --- browse list -------------------------------------------------------- */

.pat-svt__browse {
	border-top: 1px solid var(--pat-svt-border);
	margin-top: 1.5rem;
	padding-top: 1.25rem;
}

.pat-svt__browse-title {
	color: var(--pat-svt-heading);
	font-size: 1rem;
	margin: 0 0 .85rem;
}

.pat-svt__list {
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
	list-style: none;
	margin: 0;
	padding: 0;
}

.pat-svt__item {
	border: 1px solid var(--pat-svt-border);
	border-radius: 3px;
	padding: .9rem 1rem;
	scroll-margin-top: 2rem;
}

.pat-svt__item.is-selected {
	border-color: var(--pat-svt-border-strong);
	box-shadow: inset 3px 0 0 var(--pat-svt-link);
}

.pat-svt__item:target {
	border-color: var(--pat-svt-link);
}

.pat-svt__item-date {
	color: var(--pat-svt-muted);
	font-size: .75rem;
	font-weight: 700;
	letter-spacing: .05em;
	margin: 0 0 .2rem;
	text-transform: uppercase;
}

.pat-svt__item-title {
	font-size: 1rem;
	margin: 0 0 .4rem;
}

.pat-svt__item-button {
	background: none;
	border: 0;
	color: var(--pat-svt-link);
	cursor: pointer;
	font: inherit;
	font-weight: 700;
	padding: 0;
	text-align: left;
}

.pat-svt__item-button:hover {
	color: var(--pat-svt-link-hover);
	text-decoration: underline;
}

.pat-svt__item-summary {
	font-size: .87rem;
	line-height: 1.6;
	margin: 0 0 .6rem;
}

.pat-svt__item-link {
	font-size: .85rem;
	margin: 0;
}

/* --- footer ------------------------------------------------------------- */

.pat-svt__footer {
	border-top: 1px solid var(--pat-svt-border);
	margin-top: 1.5rem;
	padding-top: 1rem;
}

.pat-svt__note,
.pat-svt__noscript {
	color: var(--pat-svt-muted);
	font-size: .8rem;
	line-height: 1.6;
	margin: 0 0 .4rem;
	max-width: 76ch;
}

.pat-svt.is-empty .pat-svt__browse-title::after {
	color: var(--pat-svt-muted);
	content: " — no matches";
	font-weight: 400;
}

/* --- responsive --------------------------------------------------------- */

@container (max-width: 44rem) {
	.pat-svt__actions {
		margin-left: 0;
	}

	.pat-svt__chips--decades {
		max-width: none;
	}
}

@media (max-width: 40rem) {
	.pat-svt__title {
		font-size: 1.35rem;
	}

	.pat-svt__list {
		grid-template-columns: minmax(0, 1fr);
	}

	.pat-svt__toolbar {
		gap: .85rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.pat-svt__node-btn {
		transition: none;
	}
}