.rs-manual {
	padding: 32px 0 64px;
}

.rs-manual-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	align-items: start;
	gap: 28px;
}

.rs-manual-contents {
	min-width: 0;
	padding: 16px;
	border: 1px solid var(--zh-rule);
	border-radius: 4px;
	background: var(--zh-panel-tint);
	overflow-wrap: anywhere;
}

.rs-manual-contents summary {
	color: var(--zh-ink);
	font-size: 20px;
	font-weight: 600;
	font-family: "Saira", "Helvetica Neue", Helvetica, Arial, sans-serif;
	cursor: pointer;
}

.rs-manual-chapters {
	padding: 0;
	list-style: none;
}

.rs-manual-chapters h2 {
	margin: 20px 0 8px;
	font-size: 18px;
}

.rs-manual-chapters ul {
	padding-left: 20px;
}

.rs-manual-chapters li {
	margin: 8px 0;
}

.rs-manual-chapters a[aria-current="page"] {
	color: var(--zh-ink);
	font-weight: 700;
	text-decoration: underline;
	text-decoration-color: var(--zh-machine);
	text-underline-offset: 4px;
}

.rs-manual-page {
	width: 100%;
	min-width: 0;
	overflow-wrap: anywhere;
}

.rs-manual-page h1 {
	margin: 20px 0 12px;
	font-size: clamp(28px, 3vw, 38px);
	line-height: 1.2;
	color: var(--zh-ink);
}

.rs-manual-page h2,
.rs-manual-page h3 {
	scroll-margin-top: 144px;
}

.rs-manual-crumbs,
.rs-manual-version {
	font-size: 14px;
	color: var(--zh-muted);
	line-height: 1.6;
}

.rs-manual-page pre {
	max-width: 100%;
	padding: 16px;
	overflow-x: auto;
	background: var(--zh-panel-tint);
	border: 1px solid var(--zh-rule);
	border-radius: 4px;
}

.rs-manual-page img {
	max-width: 100%;
	height: auto;
}

/* On-screen labels are quoted in backticks; keep them readable at body size. */
.rs-manual-page p code,
.rs-manual-page li code,
.rs-manual-page td code {
	padding: 1px 5px;
	font-size: 0.92em;
	color: var(--zh-ink);
	background: var(--zh-panel-tint);
	border: 1px solid var(--zh-rule);
	border-radius: 3px;
}

.rs-manual-table {
	max-width: 100%;
	margin: 24px 0;
	overflow-x: auto;
}

.rs-manual-table table {
	width: 100%;
	border-collapse: collapse;
	background: var(--zh-panel);
}

.rs-manual-table th,
.rs-manual-table td {
	padding: 10px 12px;
	text-align: left;
	vertical-align: top;
	border-bottom: 1px solid var(--zh-rule);
}

.rs-manual-table thead th {
	border-bottom: 3px solid var(--zh-steel-dark);
	color: var(--zh-ink);
}

.rs-manual-table tbody tr:hover {
	background: var(--zh-panel-tint);
}

.rs-manual-video {
	margin: 24px 0;
}

.rs-manual-video video {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 16 / 9;
}

.rs-manual-video figcaption {
	margin-top: 8px;
	font-size: 14px;
	color: var(--zh-muted);
}

.rs-manual-pager {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 16px 32px;
	margin-top: 40px;
	padding-top: 20px;
	border-top: 1px solid var(--zh-rule);
}

.rs-manual-pager a[rel="next"] {
	margin-left: auto;
}

@media (min-width: 900px) {
	.rs-manual-grid {
		grid-template-columns: 260px minmax(0, 1fr);
		gap: 40px;
	}

	.rs-manual-contents {
		position: sticky;
		top: 128px;
		max-height: calc(100vh - 128px);
		overflow-y: auto;
	}

	.rs-manual-contents summary {
		list-style: none;
		cursor: default;
		pointer-events: none;
	}

	.rs-manual-contents summary::-webkit-details-marker {
		display: none;
	}
}

@media (min-width: 1000px) {
	.rs-manual-contents {
		top: 88px;
		max-height: calc(100vh - 88px);
	}
}