:root {
	--reader-bg: #f3f0e9;
	--reader-paper: #fffdf8;
	--reader-ink: #17201d;
	--reader-muted: #65706b;
	--reader-line: #d8d4ca;
	--reader-accent: #176653;
	--reader-accent-soft: #dcece5;
	--reader-warm: #9b4f2d;
	--reader-sidebar: 21rem;
	--reader-radius: 1rem;
	color-scheme: light;
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 2rem;
}

body.doc-reader {
	margin: 0;
	background: radial-gradient(circle at 88% 3%, rgba(193, 108, 61, 0.14), transparent 26rem), var(--reader-bg);
	color: var(--reader-ink);
}

.skip-link {
	position: fixed;
	z-index: 100;
	top: 0.75rem;
	left: 0.75rem;
	padding: 0.65rem 0.9rem;
	border-radius: 0.5rem;
	background: var(--reader-ink);
	color: white;
	transform: translateY(-160%);
}

.skip-link:focus {
	transform: translateY(0);
}

.reader-header {
	max-width: 96rem;
	margin: 0 auto;
	padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
}

.reader-header h1 {
	margin: 0;
	font-family: Georgia, "Times New Roman", serif;
	font-size: clamp(2.25rem, 5vw, 4.5rem);
	font-weight: 500;
	letter-spacing: -0.045em;
	line-height: 1;
}

.reader-header > p {
	max-width: 42rem;
	margin: 1rem 0 0;
	color: var(--reader-muted);
	font-size: clamp(0.95rem, 2vw, 1.1rem);
	line-height: 1.5;
}

.reader-nav-toggle {
	display: none;
}

.reader-progress {
	position: fixed;
	z-index: 80;
	top: 0;
	right: 0;
	left: 0;
	height: 3px;
	background: transparent;
}

.reader-progress span {
	display: block;
	width: 0;
	height: 100%;
	background: var(--reader-warm);
	transition: width 100ms linear;
}

.reader-shell {
	display: grid;
	grid-template-columns: var(--reader-sidebar) minmax(0, 1fr);
	align-items: start;
	max-width: 96rem;
	margin: 0 auto 6rem;
	padding: 0 clamp(0.75rem, 2vw, 2rem);
}

.reader-sidebar {
	position: sticky;
	z-index: 10;
	top: 1rem;
	max-height: calc(100vh - 2rem);
	padding-right: 1rem;
}

.reader-sidebar-inner {
	max-height: calc(100vh - 2rem);
	overflow: auto;
	padding: 1rem;
	border: 1px solid var(--reader-line);
	border-radius: var(--reader-radius);
	background: rgba(255, 253, 248, 0.88);
	box-shadow: 0 1rem 3rem rgba(47, 45, 38, 0.06);
	backdrop-filter: blur(14px);
}

.reader-search {
	position: relative;
	display: grid;
	gap: 0.45rem;
	color: var(--reader-muted);
	font-size: 0.72rem;
	font-weight: 750;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.reader-search input {
	width: 100%;
	padding: 0.75rem 2.1rem 0.75rem 0.8rem;
	border: 1px solid var(--reader-line);
	border-radius: 0.65rem;
	background: var(--reader-paper);
	color: var(--reader-ink);
	font: inherit;
	font-size: 0.88rem;
	font-weight: 500;
	letter-spacing: 0;
	text-transform: none;
}

.reader-search input:focus {
	border-color: var(--reader-accent);
	outline: 3px solid var(--reader-accent-soft);
}

.reader-search kbd {
	position: absolute;
	right: 0.65rem;
	bottom: 0.65rem;
	padding: 0.1rem 0.35rem;
	border: 1px solid var(--reader-line);
	border-radius: 0.3rem;
	background: var(--reader-bg);
	color: var(--reader-muted);
	font: inherit;
}

.reader-search-status {
	margin: 0.5rem 0 1rem;
	color: var(--reader-muted);
	font-size: 0.78rem;
}

.reader-search-retry {
	width: 100%;
	margin: -0.45rem 0 1rem;
	padding: 0.6rem 0.75rem;
	border: 1px solid var(--reader-accent);
	border-radius: 0.5rem;
	background: var(--reader-paper);
	color: var(--reader-accent);
	font: inherit;
	font-size: 0.78rem;
	font-weight: 800;
	cursor: pointer;
}

.reader-search-retry:hover {
	background: var(--reader-accent-soft);
}

.reader-search-retry:focus-visible {
	outline: 3px solid var(--reader-accent);
	outline-offset: 2px;
}

.reader-search-results {
	margin: 0 0 1rem;
	padding: 0.7rem;
	border: 1px solid var(--reader-line);
	border-radius: 0.65rem;
	background: var(--reader-paper);
}

.reader-search-results-heading {
	margin: 0 0 0.45rem;
	color: var(--reader-muted);
	font-size: 0.68rem;
	font-weight: 800;
	letter-spacing: 0.07em;
	text-transform: uppercase;
}

.reader-search-results ol {
	display: grid;
	gap: 0.35rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.reader-search-results a {
	display: grid;
	gap: 0.12rem;
	padding: 0.55rem;
	border-radius: 0.45rem;
	color: var(--reader-ink);
	text-decoration: none;
}

.reader-search-results a:hover {
	background: var(--reader-accent-soft);
}

.reader-search-results a:focus-visible {
	background: var(--reader-accent-soft);
	outline: 3px solid var(--reader-accent);
	outline-offset: 2px;
}

.reader-search-results a > span {
	color: var(--reader-accent);
	font-size: 0.66rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.reader-search-results a > strong {
	font-size: 0.8rem;
	line-height: 1.3;
}

.reader-search-results a > small {
	display: -webkit-box;
	overflow: hidden;
	color: var(--reader-muted);
	font-size: 0.7rem;
	line-height: 1.35;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
}

.reader-nav-group + .reader-nav-group {
	margin-top: 0.3rem;
	padding-top: 0.3rem;
	border-top: 1px solid var(--reader-line);
}

.reader-nav-group[hidden] {
	display: none;
}

.reader-nav-group > summary {
	display: flex;
	gap: 0.5rem;
	align-items: center;
	min-height: 2.75rem;
	padding: 0.55rem 0.45rem;
	border-radius: 0.5rem;
	color: var(--reader-ink);
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.07em;
	list-style: none;
	text-transform: uppercase;
	cursor: pointer;
}

.reader-nav-group > summary::-webkit-details-marker {
	display: none;
}

.reader-nav-group > summary::before {
	width: 0.45rem;
	height: 0.45rem;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	content: "";
	transform: rotate(-45deg);
	transition: transform 120ms ease;
}

.reader-nav-group[open] > summary::before {
	transform: rotate(45deg) translate(-0.1rem, -0.1rem);
}

.reader-nav-group > summary:hover {
	background: var(--reader-accent-soft);
	color: var(--reader-accent);
}

.reader-nav-group > summary:focus-visible {
	outline: 3px solid var(--reader-accent-soft);
	outline-offset: 1px;
}

.reader-nav-documents {
	padding: 0.1rem 0 0.45rem 0.8rem;
	border-left: 1px solid var(--reader-line);
}

.reader-nav-document[hidden] {
	display: none;
}

.reader-nav-document + .reader-nav-document {
	margin-top: 0.2rem;
}

.reader-nav-document a {
	display: block;
	min-height: 2.4rem;
	padding: 0.55rem 0.65rem;
	border-radius: 0.45rem;
	color: var(--reader-muted);
	font-size: 0.8rem;
	line-height: 1.3;
	text-decoration: none;
}

.reader-nav-document-link {
	font-weight: 700;
}

.reader-nav-document a:hover,
.reader-nav-document-link[aria-current="location"] {
	background: var(--reader-accent-soft);
	color: var(--reader-accent);
}

.reader-nav-sections {
	margin: 0;
	padding: 0 0 0.2rem 0.7rem;
	border-left: 1px solid var(--reader-line);
	list-style: none;
}

.reader-nav-sections:empty {
	display: none;
}

.reader-nav-sections a {
	min-height: 2rem;
	padding-block: 0.35rem;
	font-size: 0.75rem;
}

.reader-nav-sections li[hidden] {
	display: none;
}

.reader-nav-tool-link {
	display: flex !important;
	gap: 0.4rem;
	align-items: baseline;
}

.reader-nav-tool-link > span {
	flex: 0 0 auto;
	padding: 0.08rem 0.3rem;
	border-radius: 999px;
	background: var(--reader-accent-soft);
	color: var(--reader-accent);
	font-size: 0.58rem;
	font-weight: 850;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.reader-content {
	min-width: 0;
	padding-bottom: clamp(10rem, 30vh, 22rem);
}

.reader-empty,
.reader-noscript {
	margin: 0 0 1rem;
	padding: clamp(1.2rem, 3vw, 2.25rem);
	border: 1px solid var(--reader-line);
	border-radius: var(--reader-radius);
	background: var(--reader-paper);
	box-shadow: 0 1rem 3rem rgba(47, 45, 38, 0.05);
}

.reader-empty h2 {
	max-width: 17ch;
	margin: 0;
	font-family: Georgia, "Times New Roman", serif;
	font-size: clamp(1.9rem, 4vw, 3.1rem);
	font-weight: 500;
	letter-spacing: -0.035em;
	line-height: 1.05;
}

.reader-empty {
	text-align: center;
}

.reader-empty h2 {
	margin-inline: auto;
}

.reader-empty p:not(.reader-kicker) {
	color: var(--reader-muted);
}

.reader-empty button {
	padding: 0.7rem 1rem;
	border: 0;
	border-radius: 0.55rem;
	background: var(--reader-accent);
	color: white;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.reader-chapter {
	margin: 0 0 1rem;
	scroll-margin-top: 1rem;
	border: 1px solid var(--reader-line);
	border-radius: var(--reader-radius);
	background: var(--reader-paper);
	box-shadow: 0 1rem 3rem rgba(47, 45, 38, 0.05);
}

.reader-chapter[hidden] {
	display: none;
}

.reader-chapter-header {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	gap: 1rem;
	align-items: center;
	padding: 1.2rem 1.35rem;
	border-bottom: 1px solid var(--reader-line);
}

.reader-chapter-number {
	display: grid;
	width: 2.8rem;
	height: 2.8rem;
	border-radius: 50%;
	background: var(--reader-accent-soft);
	color: var(--reader-accent);
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.1rem;
	place-items: center;
}

.reader-chapter-heading {
	min-width: 0;
}

.reader-chapter-heading p {
	margin: 0 0 0.2rem;
	color: var(--reader-muted);
	font-size: 0.72rem;
	font-weight: 750;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.reader-chapter-heading h2 {
	margin: 0;
	font-family: Georgia, "Times New Roman", serif;
	font-size: clamp(1.35rem, 2.5vw, 2rem);
	font-weight: 500;
	letter-spacing: -0.02em;
}

.reader-chapter-heading small {
	display: block;
	margin-top: 0.25rem;
	color: var(--reader-muted);
	line-height: 1.35;
}

.reader-source-link {
	padding: 0.55rem 0.7rem;
	border: 1px solid var(--reader-line);
	border-radius: 0.5rem;
	color: var(--reader-accent);
	font-size: 0.76rem;
	font-weight: 750;
	text-decoration: none;
	white-space: nowrap;
}

.reader-source-link:hover {
	border-color: var(--reader-accent);
	background: var(--reader-accent-soft);
}

.reader-frame-wrap {
	position: relative;
	min-height: 12rem;
	overflow: hidden;
	border-radius: 0 0 var(--reader-radius) var(--reader-radius);
	background: var(--reader-paper);
}

.reader-frame-status {
	position: absolute;
	z-index: 1;
	top: 6.25rem;
	right: 1rem;
	left: 1rem;
	color: var(--reader-muted);
	font-size: 0.8rem;
	text-align: center;
}

.reader-frame-wrap::before {
	position: absolute;
	inset: 3rem 50%;
	width: 2rem;
	height: 2rem;
	margin-left: -1rem;
	border: 3px solid var(--reader-line);
	border-top-color: var(--reader-accent);
	border-radius: 50%;
	content: "";
	animation: reader-spin 800ms linear infinite;
}

.reader-frame-error {
	position: relative;
	z-index: 2;
	display: grid;
	justify-items: center;
	min-height: 12rem;
	padding: 3rem 1rem;
	background: var(--reader-paper);
	text-align: center;
}

.reader-frame-error strong {
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.35rem;
	font-weight: 500;
}

.reader-frame-error p {
	max-width: 34rem;
	margin: 0.5rem 0 1rem;
	color: var(--reader-muted);
	line-height: 1.5;
}

.reader-frame-error button {
	padding: 0.7rem 1rem;
	border: 0;
	border-radius: 0.55rem;
	background: var(--reader-accent);
	color: white;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.reader-frame-wrap[data-loaded="true"]::before {
	display: none;
}

.reader-document-frame {
	position: relative;
	display: block;
	width: 100%;
	min-height: 12rem;
	border: 0;
	background: transparent;
}

@keyframes reader-spin {
	to {
		transform: rotate(360deg);
	}
}

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

@media (max-width: 980px) {
	body.reader-navigation-open {
		overflow: hidden;
	}

	body.doc-reader::before {
		position: fixed;
		z-index: 70;
		top: 0;
		right: 0;
		left: 0;
		height: 3.85rem;
		border-bottom: 1px solid color-mix(in srgb, var(--reader-line) 72%, transparent);
		background: color-mix(in srgb, var(--reader-bg) 94%, transparent);
		backdrop-filter: blur(12px);
		content: "";
		pointer-events: none;
	}

	body.reader-navigation-open::after {
		position: fixed;
		z-index: 40;
		inset: 0;
		background: rgba(23, 32, 29, 0.42);
		content: "";
	}

	.reader-header {
		padding-top: 4.75rem;
		padding-right: 10rem;
	}

	.reader-nav-toggle {
		position: fixed;
		z-index: 90;
		top: 0.75rem;
		right: 0.75rem;
		display: block;
		padding: 0.65rem 0.85rem;
		border: 1px solid var(--reader-accent);
		border-radius: 0.55rem;
		background: var(--reader-paper);
		box-shadow: 0 0.5rem 1.5rem rgba(23, 32, 29, 0.14);
		color: var(--reader-accent);
		font: inherit;
		font-size: 0.78rem;
		font-weight: 800;
		cursor: pointer;
	}

	.reader-nav-toggle:focus-visible {
		outline: 3px solid var(--reader-accent);
		outline-offset: 2px;
	}

	.reader-shell {
		display: block;
	}

	.reader-chapter {
		scroll-margin-top: 4.5rem;
	}

	.reader-sidebar {
		position: fixed;
		z-index: 60;
		top: 3.85rem;
		right: 0.75rem;
		bottom: 0.75rem;
		left: 0.75rem;
		width: min(25rem, calc(100% - 1.5rem));
		max-height: none;
		padding: 0;
		visibility: hidden;
		opacity: 0;
		pointer-events: none;
		transform: translateY(-0.5rem);
		transition:
			opacity 120ms ease,
			transform 120ms ease;
	}

	.reader-navigation-open .reader-sidebar {
		visibility: visible;
		opacity: 1;
		pointer-events: auto;
		transform: translateY(0);
	}

	.reader-sidebar-inner {
		height: 100%;
		max-height: none;
		background: var(--reader-paper);
		backdrop-filter: none;
	}
}

@media (max-width: 680px) {
	.reader-header {
		padding-top: 4.75rem;
		padding-right: 8.5rem;
	}

	.reader-chapter-header {
		grid-template-columns: auto minmax(0, 1fr);
		gap: 0.75rem;
		padding: 1rem;
	}

	.reader-source-link {
		grid-column: 2;
		justify-self: start;
	}

	.reader-chapter-heading small {
		font-size: 0.78rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	.reader-progress span {
		transition: none;
	}

	.reader-nav-group > summary::before {
		transition: none;
	}

	.reader-frame-wrap::before {
		animation: none;
	}

	.reader-sidebar {
		transition: none;
	}
}