:root {
	--deep-ink: #0B0F12;
	--midnight-panel: #12181D;
	--soft-slate: #1E272E;
	--aside-bg: #080B0E;
	--koi-orange: #D96A1D;
	--burnt-ember: #B65216;
	--golden-scale: #F2A33A;
	--warm-cream: #F4E9D8;
	--text-primary: #E8ECEF;
	--text-secondary: #A7B0B7;
	--text-muted: #6F7A83;
	--radius: 6px;
	--transition: 0.2s ease;
	--mono: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
	--sans: system-ui, -apple-system, sans-serif;
	--sidebar-w: 260px;
	--topbar-h: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.6;
	color: var(--text-primary);
	background: var(--deep-ink);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
body { min-height: 100vh; }
a { color: var(--koi-orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--golden-scale); }

/* ── Topbar ── */
.topbar {
	position: sticky; top: 0; z-index: 100;
	background: var(--midnight-panel);
	border-bottom: 1px solid var(--soft-slate);
	height: var(--topbar-h);
	display: flex; align-items: center;
	padding: 0 20px;
}
.topbar__inner {
	display: flex; align-items: center; gap: 20px; width: 100%;
}
.topbar__logo {
	display: flex; align-items: center; gap: 10px;
	font-weight: 800; font-size: 18px; letter-spacing: 0.12em;
	color: var(--warm-cream); text-decoration: none;
}
.topbar__logo:hover { color: var(--warm-cream); }
.topbar__logo img { border-radius: 4px; }
.topbar__version {
	font-family: var(--mono); font-size: 11px; font-weight: 600;
	color: var(--text-muted); background: var(--soft-slate);
	padding: 2px 8px; border-radius: 10px; letter-spacing: 0.04em;
	transition: color var(--transition);
}
.topbar__version:hover { color: var(--koi-orange); text-decoration: none; }
.topbar__right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.topbar__site-link { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.topbar__site-link:hover { color: var(--text-secondary); }
.topbar__hamburger {
	display: none; background: none; border: none; cursor: pointer;
	width: 24px; height: 18px; position: relative; flex-shrink: 0;
}
.topbar__hamburger span {
	display: block; position: absolute; left: 0; right: 0;
	height: 2px; background: var(--text-secondary); border-radius: 1px;
	transition: transform var(--transition), opacity var(--transition);
}
.topbar__hamburger span:nth-child(1) { top: 0; }
.topbar__hamburger span:nth-child(2) { top: 8px; }
.topbar__hamburger span:nth-child(3) { top: 16px; }

/* ── Search ── */
.search { position: relative; }
.search input {
	width: 200px; max-width: 40vw;
	padding: 7px 12px; border: 1px solid var(--soft-slate); border-radius: var(--radius);
	background: var(--deep-ink); color: var(--text-primary); font-size: 13px; font-family: var(--sans);
	transition: border-color var(--transition);
}
.search input:focus { outline: none; border-color: var(--koi-orange); }
.search-results {
	position: absolute; top: 40px; left: 0; right: 0;
	background: var(--midnight-panel); border: 1px solid var(--soft-slate); border-radius: var(--radius);
	box-shadow: 0 8px 24px rgba(0,0,0,0.4);
	display: none; max-height: 50vh; overflow: auto; z-index: 200;
}
.search-results.active { display: block; }
.search-results a {
	display: block; padding: 10px 14px; border-bottom: 1px solid var(--soft-slate);
	color: var(--text-secondary); font-size: 14px;
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--soft-slate); color: var(--text-primary); text-decoration: none; }

/* ── Layout ── */
.layout {
	display: grid;
	grid-template-columns: var(--sidebar-w) 1fr;
	min-height: calc(100vh - var(--topbar-h));
}

/* ── Sidebar ── */
.sidebar {
	background: var(--midnight-panel);
	border-right: 1px solid var(--soft-slate);
	position: sticky;
	top: var(--topbar-h);
	height: calc(100vh - var(--topbar-h));
	overflow-y: auto;
	padding: 20px 12px;
	z-index: 50;
}
.nav-section { margin-bottom: 4px; }
.nav-section-title {
	display: flex; align-items: center; gap: 6px;
	font-family: var(--mono); font-size: 11px; font-weight: 600;
	text-transform: uppercase; letter-spacing: 0.08em;
	color: var(--text-muted); padding: 6px 10px; cursor: pointer;
	border-radius: var(--radius);
	list-style: none; user-select: none;
	transition: color var(--transition);
}
.nav-section-title:hover { color: var(--text-secondary); }
.nav-section-title::-webkit-details-marker { display: none; }
.nav-section-title::before {
	content: ''; display: block; width: 0; height: 0;
	border-left: 5px solid var(--text-muted); border-top: 4px solid transparent; border-bottom: 4px solid transparent;
	transition: transform 0.15s ease;
	flex-shrink: 0;
}
details[open] > .nav-section-title::before { transform: rotate(90deg); }
.nav-items { list-style: none; padding: 0 0 6px; }
.nav-items li { margin-bottom: 1px; }
.nav-items a {
	display: block; padding: 5px 10px 5px 26px; border-radius: var(--radius);
	font-size: 13px; color: var(--text-secondary); text-decoration: none;
	transition: background var(--transition), color var(--transition);
}
.nav-items a:hover { background: var(--soft-slate); color: var(--text-primary); text-decoration: none; }
.nav-items a[aria-current="page"] { background: var(--soft-slate); color: var(--koi-orange); font-weight: 600; }

/* ── Sidebar TOC ── */
.sidebar-toc { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--soft-slate); }
.sidebar-toc .nav-items a { font-size: 12px; padding: 3px 10px 3px 26px; color: var(--text-muted); }
.sidebar-toc .nav-items a:hover { color: var(--text-primary); background: transparent; }
.sidebar-toc .nav-items a.active { color: var(--koi-orange); background: transparent; font-weight: 400; }
.sidebar-toc .d3 a { padding-left: 36px; }
.sidebar-toc .d4 a { padding-left: 46px; opacity: 0.8; }

/* ── Content ── */
.content {
	min-width: 0;
	background: linear-gradient(to right, var(--midnight-panel) 55%, var(--aside-bg) 55%);
	position: relative;
}
.content::after {
	content: ''; position: absolute; top: 0; bottom: 0; left: 55%;
	width: 1px; background: var(--soft-slate); pointer-events: none;
}

/* ── Page header ── */
.page-header { padding: 40px 40px 28px; border-bottom: 1px solid var(--soft-slate); max-width: 55%; }
.page-header h1 { font-size: 30px; font-weight: 700; line-height: 1.2; color: var(--text-primary); margin: 0 0 8px; }
.page-header .page-desc { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* ── Document sections ── */
.doc-section { border-bottom: 1px solid var(--soft-slate); }
.doc-section:last-of-type { border-bottom: none; }
.doc-section__main { padding: 28px 40px; max-width: 55%; }
.doc-section__main:has(.fn-list) { max-width: none; padding: 28px 0; }
.doc-section__main:has(.fn-list) > :not(.fn-list) {
	margin-left: 40px;
	max-width: calc(55% - 80px);
	box-sizing: border-box;
}

/* ── Split sections (Stripe-style) ── */
.doc-section--split { display: grid; grid-template-columns: 55% 45%; }
.doc-section--split .doc-section__main { padding: 28px 40px; max-width: none; }
.doc-section--split .doc-section__aside { padding: 28px 32px; min-height: 0; }

/* ── Typography ── */
h2 { font-size: 20px; font-weight: 700; color: var(--text-primary); margin: 0 0 16px; }
h3 { font-size: 17px; font-weight: 600; margin: 24px 0 12px; color: var(--golden-scale); }
h4 { font-size: 15px; font-weight: 600; margin: 18px 0 10px; color: var(--text-secondary); }
.anchor { color: var(--text-muted); opacity: 0; font-weight: 400; transition: opacity var(--transition); margin-left: 4px; }
h2:hover .anchor, h3:hover .anchor, h4:hover .anchor { opacity: 1; }

/* ── Prose ── */
.prose { margin: 12px 0; }
.prose p { margin: 10px 0; color: var(--text-secondary); line-height: 1.7; font-size: 15px; }
.prose p:first-child { margin-top: 0; }
.prose code {
	font-family: var(--mono); font-size: 13px;
	background: var(--deep-ink); border: 1px solid var(--soft-slate);
	padding: 2px 6px; border-radius: 3px; color: var(--golden-scale);
}
.prose a { color: var(--koi-orange); }

/* ── Code blocks ── */
.code-block { margin: 16px 0; }
.code-block pre {
	background: var(--deep-ink) !important;
	border: 1px solid var(--soft-slate); border-radius: var(--radius);
	padding: 16px 18px; overflow-x: auto;
	font-family: var(--mono); font-size: 13px; line-height: 1.6;
}
.code-block code { font-family: var(--mono); font-size: 13px; background: none !important; border: none; padding: 0; }
.doc-section__aside .code-block { margin: 0; }
.doc-section__aside .code-block + .code-block { margin-top: 16px; }
.doc-section__aside .code-block pre {
	background: rgba(0,0,0,0.3) !important;
	border-color: rgba(255,255,255,0.06);
}

/* ── Function list ── */
.fn-list { margin: 0; }
.fn-item {
	display: grid; grid-template-columns: 55% 45%;
	border-bottom: 1px solid var(--soft-slate);
}
.fn-item:last-child { border-bottom: none; }
.fn-desc { padding: 20px 40px; }
.fn-name {
	font-family: var(--mono); font-size: 15px; font-weight: 700;
	color: var(--golden-scale); margin-bottom: 6px;
}
.fn-summary { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.fn-details { list-style: none; padding: 0; margin-top: 8px; }
.fn-details li {
	font-size: 13px; color: var(--text-secondary); line-height: 1.6;
	padding-left: 18px; position: relative; margin-bottom: 4px;
}
.fn-details li::before { content: '›'; position: absolute; left: 0; color: var(--koi-orange); font-weight: 700; }
.fn-details code {
	font-family: var(--mono); font-size: 12px;
	background: var(--midnight-panel); padding: 1px 5px; border-radius: 3px; color: var(--golden-scale);
}
.fn-sig {
	padding: 20px 32px 20px 50px;
	background: var(--aside-bg);
	display: flex; align-items: flex-start;
}
.fn-sig pre {
	margin: 0; padding: 0 !important; border: none !important; border-radius: 0 !important;
	background: transparent !important;
	font-family: var(--mono); font-size: 13px; line-height: 1.6;
	white-space: pre-wrap; word-break: break-word;
}
.fn-sig code { font-family: var(--mono); font-size: 13px; background: none !important; border: none; padding: 0; }
@media (max-width: 900px) {
	.fn-item { grid-template-columns: 1fr; }
	.fn-sig { border-top: 1px solid var(--soft-slate); }
}

/* ── Type list ── */
.type-list { margin: 16px 0; display: grid; gap: 16px; }
.type-item {
	background: var(--deep-ink); border: 1px solid var(--soft-slate);
	border-radius: var(--radius); padding: 20px;
}
.type-name { font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--golden-scale); margin-bottom: 8px; }
.type-summary { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.type-summary code {
	font-family: var(--mono); font-size: 13px; background: var(--midnight-panel);
	padding: 1px 5px; border-radius: 3px; color: var(--golden-scale);
}
.type-variant { margin-top: 16px; }
.type-variant-name {
	font-family: var(--mono); font-size: 12px; font-weight: 600;
	text-transform: uppercase; letter-spacing: 0.06em;
	color: var(--text-primary); margin-bottom: 8px;
	padding-bottom: 6px; border-bottom: 1px solid var(--soft-slate);
}
.type-fields { list-style: none; padding: 0; }
.type-fields li { font-size: 13px; color: var(--text-secondary); line-height: 1.7; padding: 4px 0; }
.type-fields code { font-family: var(--mono); font-size: 13px; color: var(--text-primary); }
.type-annotation { font-family: var(--mono); font-size: 12px; color: var(--text-muted); margin-left: 6px; }
.type-optional {
	font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
	color: var(--text-muted); background: var(--soft-slate); padding: 1px 5px; border-radius: 3px; margin-left: 6px;
}
.type-desc { color: var(--text-secondary); }
.type-desc code {
	font-family: var(--mono); font-size: 12px; background: var(--midnight-panel);
	padding: 1px 5px; border-radius: 3px; color: var(--golden-scale);
}

/* ── Callout ── */
.callout {
	margin: 16px 0; padding: 14px 16px;
	background: var(--deep-ink); border: 1px solid var(--soft-slate);
	border-left: 3px solid var(--koi-orange); border-radius: var(--radius);
}
.callout--warning { border-left-color: var(--golden-scale); }
.callout-label {
	font-family: var(--mono); font-size: 11px; font-weight: 600;
	text-transform: uppercase; letter-spacing: 0.06em;
	color: var(--koi-orange); margin-bottom: 6px;
}
.callout--warning .callout-label { color: var(--golden-scale); }
.callout-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
.callout-body code {
	font-family: var(--mono); font-size: 12px; background: var(--midnight-panel);
	padding: 1px 5px; border-radius: 3px; color: var(--golden-scale);
}

/* ── Lists ── */
.doc-list { padding: 0; margin: 12px 0; list-style: none; }
.doc-list li {
	font-size: 14px; color: var(--text-secondary); line-height: 1.6;
	padding-left: 18px; position: relative; margin-bottom: 6px;
}
.doc-list li::before { content: '›'; position: absolute; left: 0; color: var(--koi-orange); font-weight: 700; }
.doc-list--ordered { counter-reset: item; }
.doc-list--ordered li::before {
	content: counter(item); counter-increment: item;
	font-family: var(--mono); font-size: 12px; font-weight: 700;
}
.doc-list code {
	font-family: var(--mono); font-size: 13px;
	background: var(--deep-ink); border: 1px solid var(--soft-slate);
	padding: 1px 5px; border-radius: 3px; color: var(--golden-scale);
}
.doc-list a { color: var(--koi-orange); }

/* ── Tables ── */
.doc-table-wrap { margin: 16px 0; overflow-x: auto; }
.doc-table { width: 100%; border-collapse: collapse; }
.doc-table th, .doc-table td {
	border: 1px solid var(--soft-slate); padding: 10px 14px;
	text-align: left; font-size: 14px; color: var(--text-secondary);
}
.doc-table th {
	background: var(--deep-ink);
	font-family: var(--mono); font-size: 12px; font-weight: 600;
	text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted);
}

/* ── Prev / Next ── */
.prev-next {
	display: flex; justify-content: space-between; gap: 16px;
	padding: 28px 40px; max-width: 55%;
}
.prev-next a { font-size: 14px; color: var(--koi-orange); }
.prev-next a:hover { color: var(--golden-scale); }

/* ── Footer ── */
.doc-footer { padding: 16px 24px 32px; font-size: 13px; color: var(--text-muted); margin-left: var(--sidebar-w); }

/* ── Responsive ── */
@media (max-width: 900px) {
	.layout { grid-template-columns: 1fr; }
	.sidebar {
		position: fixed;
		top: var(--topbar-h); left: 0; bottom: 0;
		width: var(--sidebar-w);
		transform: translateX(-100%);
		transition: transform 0.25s ease;
		z-index: 90;
	}
	.sidebar.open { transform: translateX(0); }
	.sidebar-overlay {
		display: none; position: fixed; inset: 0;
		top: var(--topbar-h); background: rgba(0,0,0,0.5); z-index: 80;
	}
	.sidebar-overlay.open { display: block; }
	.topbar__hamburger { display: block; }
	.content { background: var(--midnight-panel); }
	.content::after { display: none; }
	.page-header { max-width: none; }
	.doc-section__main { max-width: none; }
	.doc-section__main:has(.fn-list) > :not(.fn-list) { max-width: none; margin-left: 0; }
	.prev-next { max-width: none; }
	.doc-section--split { grid-template-columns: 1fr; }
	.doc-section--split .doc-section__aside {
		border-top: 1px solid var(--soft-slate);
		background: var(--aside-bg);
	}
	.doc-footer { margin-left: 0; }
}
@media (max-width: 600px) {
	.page-header { padding: 24px 20px 20px; }
	.doc-section__main { padding: 20px; }
	.doc-section--split .doc-section__main { padding: 20px; }
	.doc-section--split .doc-section__aside { padding: 20px; }
	.prev-next { padding: 20px; }
	.page-header h1 { font-size: 24px; }
}