:root {
	--bg: #fbfbfa;
	--surface: #ffffff;
	--text: #1d1f23;
	--muted: #5d636e;
	--border: #e3e4e8;
	--accent: #5b3fd6;
	--accent-soft: #efebff;
	--code-bg: #f3f3f6;
	--ok: #1f7a4d;
	--mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
	--sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #131417;
		--surface: #1b1c20;
		--text: #e7e8ec;
		--muted: #9aa0ab;
		--border: #2c2e35;
		--accent: #a594ff;
		--accent-soft: #252140;
		--code-bg: #202228;
		--ok: #5ccf95;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font: 16px/1.6 var(--sans);
}

a {
	color: var(--accent);
	text-underline-offset: 2px;
}

header {
	border-bottom: 1px solid var(--border);
	background: var(--surface);
}

header .bar,
main,
footer {
	max-width: 880px;
	margin: 0 auto;
	padding: 0 16px;
}

header .bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 24px;
	min-height: 60px;
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--text);
	font-weight: 650;
	text-decoration: none;
}

.brand img {
	width: 28px;
	height: 28px;
	border-radius: 6px;
}

nav {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 18px;
	font-size: 15px;
}

nav a {
	color: var(--muted);
	text-decoration: none;
}

nav a:hover,
nav a[aria-current='page'] {
	color: var(--text);
}

main {
	padding-top: 40px;
	padding-bottom: 64px;
}

h1 {
	font-size: clamp(30px, 5vw, 42px);
	line-height: 1.15;
	letter-spacing: -0.02em;
	margin: 0 0 12px;
}

h2 {
	font-size: 24px;
	letter-spacing: -0.01em;
	margin: 48px 0 12px;
	padding-top: 8px;
}

h3 {
	font-size: 18px;
	margin: 28px 0 8px;
}

.lede {
	font-size: 19px;
	color: var(--muted);
	max-width: 640px;
	margin: 0 0 24px;
}

code,
pre {
	font-family: var(--mono);
	font-size: 0.88em;
}

:not(pre) > code {
	background: var(--code-bg);
	padding: 1px 5px;
	border-radius: 4px;
}

pre {
	background: var(--code-bg);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 14px 16px;
	overflow-x: auto;
	line-height: 1.5;
	tab-size: 4;
}

.table-wrap {
	overflow-x: auto;
	margin: 12px 0 20px;
}

table {
	border-collapse: collapse;
	width: 100%;
	font-size: 15px;
}

th,
td {
	text-align: left;
	vertical-align: top;
	padding: 8px 12px 8px 0;
	border-bottom: 1px solid var(--border);
}

th {
	color: var(--muted);
	font-weight: 600;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

td:first-child {
	white-space: nowrap;
}

.cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: 14px;
	margin: 16px 0 8px;
}

.card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 16px 18px;
}

.card h3 {
	margin: 0 0 4px;
	font-size: 16px;
	font-family: var(--mono);
}

.card p {
	margin: 0 0 10px;
	color: var(--muted);
	font-size: 15px;
}

.card .links {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 14px;
	font-size: 14px;
}

.tag {
	display: inline-block;
	font-size: 12px;
	font-weight: 600;
	padding: 1px 8px;
	border-radius: 99px;
	background: var(--accent-soft);
	color: var(--accent);
	vertical-align: middle;
}

.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 8px 0 8px;
}

.button {
	display: inline-block;
	padding: 9px 16px;
	border-radius: 8px;
	border: 1px solid var(--border);
	background: var(--surface);
	color: var(--text);
	text-decoration: none;
	font-weight: 550;
}

.button.primary {
	background: var(--accent);
	border-color: var(--accent);
	color: var(--bg);
}

[role='tablist'] {
	display: flex;
	gap: 4px;
	border-bottom: 1px solid var(--border);
	margin: 24px 0 8px;
}

[role='tablist'][hidden] {
	display: none;
}

[role='tab'] {
	font: inherit;
	font-weight: 600;
	color: var(--muted);
	background: none;
	border: 0;
	border-bottom: 2px solid transparent;
	margin-bottom: -1px;
	padding: 8px 14px;
	cursor: pointer;
}

[role='tab']:hover {
	color: var(--text);
}

[role='tab'][aria-selected='true'] {
	color: var(--accent);
	border-bottom-color: var(--accent);
}

[role='tab']:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: -2px;
	border-radius: 6px 6px 0 0;
}

[role='tabpanel'] {
	scroll-margin-top: 16px;
}

.note {
	border-left: 3px solid var(--accent);
	background: var(--accent-soft);
	padding: 10px 14px;
	border-radius: 0 8px 8px 0;
	margin: 16px 0;
}

.diagram {
	margin: 28px 0;
	color: var(--text);
}

.diagram svg {
	width: 100%;
	height: auto;
	display: block;
}

.toc {
	columns: 2 220px;
	padding-left: 18px;
	color: var(--muted);
}

footer {
	border-top: 1px solid var(--border);
	color: var(--muted);
	font-size: 14px;
	padding-top: 20px;
	padding-bottom: 40px;
}