:root {
	--bg: #faf9f6;
	--surface: #ffffff;
	--border: #e6e2d8;
	--text: #23211d;
	--text-dim: #6b6459;
	--accent: #b4571f;
	--accent-contrast: #fff8f0;
	--tag-bg: #f1ede2;
	--radius: 10px;

	--swatch-yellow: #e6c229;
	--swatch-blue: #4a7dbd;
	--swatch-pink: #d6608a;
	--swatch-orange: #d97e3d;
	--swatch-green: #6a9c5b;
	--swatch-purple: #8467b0;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #171614;
		--surface: #201f1c;
		--border: #35332d;
		--text: #ece8df;
		--text-dim: #a29b8c;
		--accent: #e08a4f;
		--accent-contrast: #1c1108;
		--tag-bg: #2b2924;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, 'Times New Roman', serif;
	line-height: 1.55;
}

.container {
	max-width: 720px;
	margin: 0 auto;
	padding: 0 20px 80px;
}

a {
	color: var(--accent);
}

.top-nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: 720px;
	margin: 0 auto;
	padding: 24px 20px 16px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.top-nav .brand {
	font-weight: 700;
	color: var(--text);
	text-decoration: none;
	font-size: 1.05rem;
}

.nav-links {
	display: flex;
	gap: 18px;
}

.nav-links a {
	text-decoration: none;
	color: var(--text-dim);
	font-size: 0.92rem;
	padding-bottom: 3px;
	border-bottom: 2px solid transparent;
}

.nav-links a.active {
	color: var(--text);
	border-bottom-color: var(--accent);
}

.page-header {
	margin: 12px 0 28px;
}

.page-header h1 {
	margin: 0 0 4px;
	font-size: 1.9rem;
}

.page-header .range {
	margin: 0;
	color: var(--text-dim);
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.9rem;
}

.empty-state {
	color: var(--text-dim);
	font-style: italic;
	padding: 40px 0;
	text-align: center;
}

.empty-state code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	background: var(--tag-bg);
	padding: 1px 6px;
	border-radius: 4px;
	font-style: normal;
	font-size: 0.85em;
}

.stats {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	color: var(--text-dim);
	font-size: 0.85rem;
	margin: 0 0 16px;
}

.filter-banner {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.85rem;
	color: var(--text-dim);
	background: var(--tag-bg);
	border-radius: var(--radius);
	padding: 10px 16px;
	margin-bottom: 18px;
}

.filter-banner strong {
	color: var(--text);
}

.filter-banner a {
	margin-left: 4px;
}

.site-footer {
	margin-top: 56px;
	padding-top: 18px;
	border-top: 1px solid var(--border);
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.78rem;
	color: var(--text-dim);
}

.article-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 18px 20px;
}

.card-title {
	font-size: 1.15rem;
	font-weight: 700;
	text-decoration: none;
	color: var(--text);
}

.card-title:hover {
	color: var(--accent);
}

.meta {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	color: var(--text-dim);
	font-size: 0.85rem;
	margin: 4px 0 10px;
}

.meta.small {
	margin: 10px 0 0;
}

.teaser {
	margin: 0;
	color: var(--text);
}

/* Markdown-rendered content (article summaries, highlight text/notes) */
.md p {
	margin: 0 0 0.6em;
}

.md p:last-child {
	margin-bottom: 0;
}

.md ul,
.md ol {
	margin: 0.4em 0;
	padding-left: 1.4em;
}

.md li {
	margin: 0.2em 0;
}

.md strong {
	font-weight: 700;
}

.md em {
	font-style: italic;
}

.md a {
	color: var(--accent);
}

.tags {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 12px;
}

.tag {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.75rem;
	background: var(--tag-bg);
	color: var(--text-dim);
	padding: 3px 9px;
	border-radius: 999px;
	text-decoration: none;
}

.tag:hover {
	color: var(--accent);
}

.tag.active {
	background: var(--accent);
	color: var(--accent-contrast);
}

.back-link {
	display: inline-block;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.88rem;
	text-decoration: none;
	color: var(--text-dim);
	margin: 20px 0;
}

.article-detail h1 {
	margin: 0 0 6px;
	font-size: 2rem;
}

.read-original {
	display: inline-block;
	margin: 18px 0;
	padding: 12px 22px;
	background: var(--accent);
	color: var(--accent-contrast);
	border-radius: var(--radius);
	text-decoration: none;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-weight: 600;
	font-size: 0.95rem;
}

.article-detail .summary {
	font-size: 1.08rem;
}

.detail-actions {
	display: flex;
	align-items: center;
	gap: 16px;
	margin: 18px 0;
}

.detail-actions .read-original {
	margin: 0;
}

.view-readwise {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.88rem;
	color: var(--text-dim);
	text-decoration: none;
}

.view-readwise:hover {
	color: var(--accent);
}

.article-links {
	display: flex;
	gap: 14px;
	margin-top: 10px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.82rem;
}

.article-links a {
	color: var(--text-dim);
	text-decoration: none;
}

.article-links a:hover {
	color: var(--accent);
}

.article-highlights {
	margin-top: 44px;
	padding-top: 24px;
	border-top: 1px solid var(--border);
}

.article-highlights h2,
.source-heading {
	font-size: 1.1rem;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.group-toggle {
	display: flex;
	gap: 16px;
	margin-bottom: 24px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.group-toggle a {
	text-decoration: none;
	color: var(--text-dim);
	font-size: 0.9rem;
	padding: 6px 14px;
	border: 1px solid var(--border);
	border-radius: 999px;
}

.group-toggle a.active {
	color: var(--accent-contrast);
	background: var(--accent);
	border-color: var(--accent);
}

.source-group {
	margin-bottom: 32px;
}

.source-heading {
	margin: 0 0 12px;
	font-weight: 700;
}

.source-heading a {
	text-decoration: none;
	color: var(--text);
}

.source-heading a:hover {
	color: var(--accent);
}

.source-author {
	font-weight: 400;
	color: var(--text-dim);
	font-size: 0.85rem;
	margin-left: 8px;
}

.highlight-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.highlight-card {
	display: flex;
	gap: 12px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 14px 16px;
}

.swatch {
	flex: 0 0 4px;
	border-radius: 4px;
	align-self: stretch;
}

.swatch-yellow {
	background: var(--swatch-yellow);
}
.swatch-blue {
	background: var(--swatch-blue);
}
.swatch-pink {
	background: var(--swatch-pink);
}
.swatch-orange {
	background: var(--swatch-orange);
}
.swatch-green {
	background: var(--swatch-green);
}
.swatch-purple {
	background: var(--swatch-purple);
}

.highlight-body {
	flex: 1;
	min-width: 0;
}

.highlight-source-badge {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.75rem;
	color: var(--text-dim);
	text-transform: uppercase;
	letter-spacing: 0.03em;
	margin-bottom: 6px;
}

.highlight-text {
	margin: 0;
}

.highlight-note {
	margin: 8px 0 0;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.88rem;
	color: var(--text-dim);
	font-style: italic;
	border-left: 2px solid var(--border);
	padding-left: 10px;
}

.highlight-meta {
	margin-top: 10px;
	display: flex;
	justify-content: space-between;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
	font-size: 0.78rem;
	color: var(--text-dim);
}

.highlight-meta a {
	color: var(--text-dim);
	text-decoration: none;
}

.highlight-meta a:hover {
	color: var(--accent);
}