/*!
 * Retrograde documentation  main layout
 */
:root {
	--color-accent: #9146ff;
	--color-bg: #0e0e10;
	--color-surface: #18181b;
	--color-sidebar: #18181b;
	--color-text: #dedee3;
	--color-muted: #adadb8;
	/* Light tints so links are readable on near-black (avoids UA default blue). */
	--color-link: #dcc9ff;
	--color-link-visited: #c4b0f0;
	--color-link-hover: #f7f3ff;
	--font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	font-family: var(--font);
	font-size: 1rem;
	line-height: 1.5;
	color: var(--color-text);
	background: var(--color-bg);
}

a:focus-visible,
button:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

.site-header {
	flex-shrink: 0;
	border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
	background: var(--color-surface);
}

.nav-inner {
	max-width: 90rem;
	margin: 0 auto;
	padding: 0.85rem 1.25rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem;
}

.nav-main {
	display: flex;
	flex: 1 1 auto;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1.25rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.65rem;
	text-decoration: none;
	color: var(--color-text);
	font-weight: 700;
	letter-spacing: 0.06em;
	font-size: 0.95rem;
}

.brand img {
	width: 36px;
	height: 36px;
	display: block;
}

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

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav-links a:any-link,
.nav-links a:visited {
	color: var(--color-muted);
	text-decoration: none;
	font-size: 0.9rem;
	font-weight: 500;
	padding: 0.25rem 0;
	border-bottom: 2px solid transparent;
}

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

.hub-link {
	margin: 0;
	margin-left: auto;
	font-size: 0.85rem;
}

.hub-link a:any-link,
.hub-link a:visited {
	color: var(--color-link);
	text-decoration: none;
	font-weight: 600;
}

.hub-link a:hover {
	color: var(--color-link-hover);
	text-decoration: underline;
}

.announcement-banner {
	border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
	background: color-mix(in srgb, var(--color-accent) 12%, var(--color-surface));
}

.announcement-inner {
	max-width: 90rem;
	margin: 0 auto;
	padding: 0.4rem 1.25rem;
	text-align: center;
}

.announcement-inner p {
	margin: 0;
	font-size: 0.82rem;
	color: var(--color-text);
}

.announcement-inner strong {
	color: var(--color-accent);
}

.announcement-inner code {
	font-size: 0.78em;
	background: color-mix(in srgb, var(--color-accent) 15%, transparent);
	padding: 0.1em 0.35em;
	border-radius: 4px;
}

.doc-page {
	flex: 1 1 auto;
	width: 100%;
	position: relative;
}

.doc-backdrop {
	display: none;
}

.doc-layout {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	max-width: 90rem;
	margin: 0 auto;
	padding: 1.25rem;
}

.doc-sidebar {
	flex: 0 0 min(280px, 32vw);
	width: min(280px, 32vw);
	align-self: flex-start;
	display: flex;
	flex-direction: column;
	min-height: 0;
	max-height: min(80vh, calc(100dvh - 11rem));
	overflow: hidden;
	background: linear-gradient(180deg, color-mix(in srgb, var(--color-accent) 5%, var(--color-sidebar)), var(--color-sidebar));
	border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
	border-left: 3px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
	border-radius: 18px;
}

.doc-sidebar-inner {
	flex: 1 1 auto;
	min-height: 0;
	padding: 1rem 0 1.5rem;
	overflow-y: auto;
	overscroll-behavior: contain;
	-webkit-overflow-scrolling: touch;
}

.doc-main-toolbar {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.doc-sidebar-toggle,
.doc-sidebar-desktop-toggle {
	display: none;
	align-items: center;
	gap: 0.5rem;
	margin: 0;
	padding: 0.45rem 0.85rem;
	font: inherit;
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--color-text);
	background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface));
	border: 1px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
	border-radius: 10px;
	cursor: pointer;
}

.doc-sidebar-toggle:hover,
.doc-sidebar-desktop-toggle:hover {
	border-color: color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.doc-sidebar-toggle-bars {
	display: block;
	width: 1rem;
	height: 2px;
	background: currentColor;
	border-radius: 1px;
	box-shadow: 0 5px 0 currentColor, 0 10px 0 currentColor;
	opacity: 0.95;
}

.doc-sidebar-desktop-toggle-icon {
	display: inline-block;
	width: 1.1rem;
	text-align: center;
	font-size: 1rem;
	font-weight: 800;
	line-height: 1;
	color: var(--color-accent);
}

.doc-sidebar-desktop-toggle-icon::before {
	content: "«";
}

.doc-layout.doc-layout--sidebar-collapsed .doc-sidebar-desktop-toggle-icon::before {
	content: "»";
}

@media (min-width: 881px) {
	.doc-sidebar-desktop-toggle {
		display: inline-flex;
	}

	.doc-sidebar-toggle {
		display: none !important;
	}

	.doc-sidebar {
		transition:
			width 0.22s ease,
			min-width 0.22s ease,
			max-width 0.22s ease,
			opacity 0.18s ease,
			border-width 0.18s ease;
	}

	.doc-layout.doc-layout--sidebar-collapsed {
		gap: 0;
	}

	.doc-layout.doc-layout--sidebar-collapsed .doc-sidebar {
		flex: 0 0 0;
		width: 0 !important;
		min-width: 0 !important;
		max-width: 0 !important;
		max-height: 0 !important;
		padding: 0;
		margin: 0;
		border-width: 0;
		opacity: 0;
		overflow: hidden;
		visibility: hidden;
		pointer-events: none;
	}
}

@media (min-width: 881px) and (prefers-reduced-motion: reduce) {
	.doc-sidebar {
		transition: none;
	}
}

.doc-main-wrap {
	flex: 1 1 auto;
	min-width: 0;
	padding: 0;
}

.doc-sidebar-label {
	margin: 0 1rem 0.75rem;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--color-muted);
}

.doc-sidebar-section {
	margin-bottom: 1rem;
}

.doc-sidebar-heading {
	margin: 0.5rem 1rem 0.35rem;
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--color-accent);
}

.doc-sidebar-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.doc-sidebar-list a:any-link,
.doc-sidebar-list a:visited {
	display: block;
	padding: 0.35rem 1rem 0.35rem 1.25rem;
	font-size: 0.88rem;
	color: var(--color-muted);
	text-decoration: none;
	border-left: 3px solid transparent;
}

.doc-sidebar-list a:hover {
	color: var(--color-text);
	background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.doc-sidebar-list a.is-active {
	color: var(--color-text);
	border-left-color: var(--color-accent);
	background: color-mix(in srgb, var(--color-accent) 10%, transparent);
	font-weight: 600;
}

.doc-panel {
	background: var(--color-surface);
	border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
	border-radius: 18px;
	padding: 1.5rem 1.5rem 2rem;
}

.doc-crumb-row {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem 1.25rem;
	margin: 0 0 0.75rem;
}

.doc-crumb {
	margin: 0;
	font-size: 0.8rem;
	color: var(--color-muted);
}

.doc-last-edited {
	margin: 0;
	font-size: 0.8rem;
	color: var(--color-muted);
	white-space: nowrap;
	flex-shrink: 0;
}

.doc-panel h1 {
	margin: 0 0 0.75rem;
	font-size: clamp(1.5rem, 3vw, 2rem);
	font-weight: 800;
	letter-spacing: 0.02em;
}

.doc-tags {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 1.25rem;
}

.doc-tags-label {
	font-size: 0.8rem;
	color: var(--color-muted);
	margin-right: 0.25rem;
}

.doc-tag {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 600;
	padding: 0.2rem 0.55rem;
	border-radius: 999px;
	background: color-mix(in srgb, var(--color-accent) 85%, #111);
	color: #fff;
}

.doc-authors {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.doc-authors-label {
	font-size: 0.8rem;
	color: var(--color-muted);
	margin-right: 0.25rem;
}

.doc-author {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 600;
	padding: 0.2rem 0.55rem;
	border-radius: 999px;
	border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
	background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));
	color: var(--color-text);
}

.doc-error {
	margin: 0 0 1rem;
	padding: 0.75rem 1rem;
	border-radius: 8px;
	background: color-mix(in srgb, var(--color-accent) 18%, var(--color-surface));
	border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
	color: var(--color-text);
	font-size: 0.9rem;
}

.doc-body {
	font-size: 0.95rem;
	color: var(--color-text);
}

.doc-body a:any-link {
	color: var(--color-link);
	text-decoration: underline;
	text-decoration-color: color-mix(in srgb, var(--color-accent) 55%, transparent);
	text-underline-offset: 0.15em;
	font-weight: 600;
}

.doc-body a:visited {
	color: var(--color-link-visited);
	text-decoration-color: color-mix(in srgb, var(--color-link-visited) 55%, transparent);
}

.doc-body a:hover,
.doc-body a:focus-visible {
	color: var(--color-link-hover);
	text-decoration-color: var(--color-link-hover);
}

.doc-body a:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

.doc-body h2 {
	margin: 1.5rem 0 0.5rem;
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--color-text);
}

.doc-body h3 {
	margin: 1.25rem 0 0.4rem;
	font-size: 1.02rem;
	font-weight: 600;
}

.doc-body p {
	margin: 0 0 0.85rem;
	color: color-mix(in srgb, var(--color-text) 92%, var(--color-muted));
}

.doc-body ul,
.doc-body ol {
	margin: 0 0 0.85rem;
	padding-left: 1.35rem;
	color: color-mix(in srgb, var(--color-text) 92%, var(--color-muted));
}

.doc-body li {
	margin: 0.25rem 0;
}

.doc-body code {
	font-size: 0.88em;
	background: color-mix(in srgb, var(--color-accent) 12%, #0a0a0a);
	padding: 0.12em 0.35em;
	border-radius: 4px;
}

.doc-body pre {
	margin: 0 0 1rem;
	padding: 1rem 1.1rem;
	overflow: auto;
	border-radius: 8px;
	background: #0a0a0a;
	border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
	font-size: 0.85rem;
	line-height: 1.45;
}

.doc-body pre code {
	background: none;
	padding: 0;
	font-size: inherit;
}

.doc-body blockquote {
	margin: 0 0 1rem;
	padding: 0.5rem 0 0.5rem 1rem;
	border-left: 3px solid var(--color-accent);
	color: var(--color-muted);
}

.doc-nav-adjacent {
	margin-top: 2rem;
	padding-top: 1.5rem;
	border-top: 1px solid color-mix(in srgb, var(--color-accent) 22%, transparent);
}

.doc-nav-adjacent-grid {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

.doc-nav-adjacent-grid--both {
	justify-content: space-between;
}

.doc-nav-adjacent-grid--both .doc-nav-adjacent-link {
	flex: 1 1 220px;
	max-width: calc(50% - 0.5rem);
}

.doc-nav-adjacent-grid--prev-only {
	justify-content: flex-start;
}

.doc-nav-adjacent-grid--prev-only .doc-nav-adjacent-link {
	flex: 0 1 24rem;
}

.doc-nav-adjacent-grid--next-only {
	justify-content: flex-end;
}

.doc-nav-adjacent-grid--next-only .doc-nav-adjacent-link {
	flex: 0 1 24rem;
}

.doc-nav-adjacent-link {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.35rem;
	min-height: 4.5rem;
	padding: 1rem 1.1rem;
	text-decoration: none;
	color: inherit;
	border-radius: 10px;
	background: color-mix(in srgb, var(--color-accent) 6%, #0a0a0a);
	border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
	transition: border-color 0.15s ease, background 0.15s ease;
}

a.doc-nav-adjacent-link:hover {
	border-color: color-mix(in srgb, var(--color-accent) 55%, transparent);
	background: color-mix(in srgb, var(--color-accent) 10%, #0a0a0a);
}

.doc-nav-adjacent-link--disabled {
	opacity: 0.55;
	cursor: not-allowed;
	pointer-events: none;
}

.doc-nav-adjacent-dir {
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--color-accent);
}

.doc-nav-adjacent-title {
	font-size: 0.95rem;
	font-weight: 600;
	color: var(--color-text);
	line-height: 1.35;
}

@media (max-width: 520px) {
	.doc-nav-adjacent-grid--both .doc-nav-adjacent-link {
		max-width: 100%;
	}
}

.site-footer {
	flex-shrink: 0;
	border-top: 1px solid color-mix(in srgb, var(--color-accent) 22%, transparent);
	background: var(--color-surface);
	padding: 1.75rem 1.25rem;
	text-align: center;
}

.footer-inner {
	max-width: 42rem;
	margin: 0 auto;
}

.site-footer p {
	margin: 0.45rem 0;
	font-size: 0.9rem;
	color: var(--color-muted);
}

.site-footer a:any-link,
.site-footer a:visited {
	color: var(--color-link);
	text-decoration: none;
	font-weight: 600;
}

.site-footer a:hover,
.site-footer a:focus-visible {
	color: var(--color-link-hover);
	text-decoration: underline;
	text-underline-offset: 0.15em;
}

.site-footer a:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

@media (max-width: 880px) {
	.doc-layout {
		flex-direction: column;
		align-items: stretch;
		padding: 1rem;
	}

	.doc-sidebar-toggle {
		display: inline-flex !important;
	}

	.doc-sidebar-desktop-toggle {
		display: none !important;
	}

	.doc-backdrop:not([hidden]) {
		display: block;
		position: fixed;
		inset: 0;
		z-index: 199;
		background: rgba(0, 0, 0, 0.55);
		backdrop-filter: blur(2px);
	}

	body.doc-sidebar-open {
		overflow: hidden;
	}

	.doc-sidebar {
		position: fixed;
		left: 0;
		top: 0;
		bottom: 0;
		z-index: 200;
		flex: none;
		width: min(18rem, 88vw);
		max-width: 18rem;
		max-height: none;
		height: 100dvh;
		border-radius: 0 18px 18px 0;
		transform: translateX(-100%);
		transition: transform 0.2s ease;
	}

	.doc-sidebar.is-open {
		transform: translateX(0);
	}

	.doc-sidebar-inner {
		max-height: 100%;
		padding-bottom: 2rem;
	}
}

@media (max-width: 880px) and (prefers-reduced-motion: reduce) {
	.doc-sidebar {
		transition: none;
	}
}