.lecture-list {
	margin: 24px 0;
	padding: 0 0 0 20px;
	border-left: 3px solid var(--hair-strong);
}

.lecture-list h3 {
	margin: 0 0 8px;
	font-family: "Manrope", sans-serif;
	font-size: 16px;
}

.lecture-list ul {
	margin: 0;
	padding-left: 20px;
}

.figure-gallery {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
	margin: 26px 0;
}

.lecture-figure {
	margin: 0;
	border: 1px solid var(--hair);
	background: var(--card);
	padding: 12px;
	box-shadow: var(--shadow);
}

.lecture-figure img {
	display: block;
	width: 100%;
	max-height: 320px;
	object-fit: contain;
	background: white;
	border: 1px solid var(--hair);
}

.lecture-figure figcaption,
.generated-diagram figcaption {
	margin-top: 10px;
	font-family: "Inter", sans-serif;
	font-size: 12px;
	line-height: 1.45;
	color: var(--muted-text);
}

.generated-diagram {
	margin: 28px 0;
	border: 1px solid var(--hair-strong);
	background: linear-gradient(180deg, var(--card), var(--card-2));
	padding: 16px;
	box-shadow: var(--shadow);
}

.generated-diagram figcaption {
	display: grid;
	gap: 3px;
	margin: 0 0 12px;
	color: var(--ink-2);
}

.generated-diagram figcaption strong {
	font-family: "Manrope", sans-serif;
	font-size: 16px;
	color: var(--ink);
}

.generated-diagram svg {
	display: block;
	width: 100%;
	height: auto;
	background:
		linear-gradient(90deg, rgba(28, 24, 19, 0.035) 1px, transparent 1px),
		linear-gradient(180deg, rgba(28, 24, 19, 0.035) 1px, transparent 1px);
	background-size: 48px 48px;
	border: 1px solid var(--hair);
}

.generated-diagram marker path {
	fill: var(--ink-2);
}

.diagram-edge {
	fill: none;
	stroke: var(--ink-2);
	stroke-width: 2.2;
	opacity: 0.78;
}

.diagram-node rect {
	fill: var(--card);
	stroke: var(--hair-strong);
	stroke-width: 2;
}

.diagram-node text {
	font-family: "Inter", sans-serif;
	font-size: 13px;
	font-weight: 700;
	fill: var(--ink);
}

.diagram-node--primary rect {
	fill: var(--primary-soft);
	stroke: var(--primary);
}

.diagram-node--evidence rect {
	fill: #f6ead0;
	stroke: var(--evidence);
}

.diagram-node--shared rect {
	fill: var(--shared-soft);
	stroke: var(--shared);
}

.diagram-node--alternative rect {
	fill: var(--alternative-soft);
	stroke: var(--alternative);
}

.diagram-node--validated rect {
	fill: var(--validated-soft);
	stroke: var(--validated);
}

.source-detail-list {
	display: grid;
	gap: 12px;
	margin: 20px 0 0;
}

.source-detail-list div {
	padding-top: 12px;
	border-top: 1px solid var(--hair);
}

.source-detail-list dt {
	font-family: "Inter", sans-serif;
	font-size: 12px;
	font-weight: 800;
	color: var(--ink);
}

.source-detail-list dd {
	margin: 3px 0 0;
	color: var(--muted-text);
}

.chapter-link-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
	margin: 24px 0;
}

.chapter-link {
	display: grid;
	gap: 6px;
	min-height: 132px;
	padding: 16px;
	border: 1px solid var(--hair);
	background: var(--card);
	text-decoration: none;
	box-shadow: var(--shadow);
}

.chapter-link span,
.chapter-link em {
	font-family: "Inter", sans-serif;
	font-size: 11px;
	font-style: normal;
	color: var(--muted-text);
}

.chapter-link strong {
	font-family: "Manrope", sans-serif;
	font-size: 16px;
	line-height: 1.2;
	color: var(--ink);
}

.chapter-link:hover,
.chapter-link:focus-visible {
	border-color: var(--primary);
	background: var(--primary-soft);
}

.assumption-register {
	margin: 24px 0;
	padding: 18px;
	border-left: 4px solid var(--evidence);
	background: rgba(154, 108, 22, 0.08);
}

.assumption-register ul {
	margin: 8px 0 0;
	padding-left: 20px;
}

@media (max-width: 820px) {
	.figure-gallery,
	.chapter-link-grid {
		grid-template-columns: 1fr;
	}

	.generated-diagram {
		padding: 10px;
	}
}

@media print {
	.generated-diagram,
	.lecture-figure,
	.chapter-link {
		box-shadow: none;
	}

	.chapter-link-grid {
		grid-template-columns: 1fr;
	}
}