:root {
	color-scheme: light;

	--bg: #f7f7f5;
	--surface: #ffffff;
	--surface-2: #f1efe9;
	--text: #1f2933;
	--muted: #5f6b76;
	--border: #e0ddd5;
	--accent: #7c4ff0;
	--accent-strong: #6d3fe0;
	--accent-soft: #efe9ff;
	--code-bg: #f5f3ef;
	--shadow: 0 1px 2px rgb(20 14 40 / 6%);

	--ui-bg: var(--bg);
	--ui-surface: var(--surface);
	--ui-text: var(--text);
	--ui-muted: var(--muted);
	--ui-border: var(--border);
	--ui-accent: var(--accent-strong);
	--ui-accent-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		color-scheme: dark;

		--bg: #121016;
		--surface: #1b1822;
		--surface-2: #24202e;
		--text: #ece9f4;
		--muted: #aaa2b8;
		--border: #332d40;
		--accent: #b49bff;
		--accent-strong: #8b5cf6;
		--accent-soft: #2b2340;
		--code-bg: #171420;
		--shadow: 0 1px 2px rgb(0 0 0 / 35%);
	}
}

:root[data-theme="dark"] {
	color-scheme: dark;

	--bg: #121016;
	--surface: #1b1822;
	--surface-2: #24202e;
	--text: #ece9f4;
	--muted: #aaa2b8;
	--border: #332d40;
	--accent: #b49bff;
	--accent-strong: #8b5cf6;
	--accent-soft: #2b2340;
	--code-bg: #171420;
	--shadow: 0 1px 2px rgb(0 0 0 / 35%);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

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

button {
	font: inherit;
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}

.shell {
	display: grid;
	grid-template-columns: 17rem minmax(0, 1fr);
	min-height: 100vh;
}

.sidebar {
	position: sticky;
	top: 0;
	display: flex;
	flex-direction: column;
	height: 100vh;
	overflow: hidden;
	padding: 1.5rem 1rem 1.25rem;
	border-right: 1px solid var(--border);
	background: var(--surface);
}

.brand {
	display: flex;
	align-items: baseline;
	gap: 0.08rem;
	padding: 0 0.6rem;
	margin-bottom: 1.75rem;
	text-decoration: none;
	color: var(--accent);
}

.brand img {
	display: block;
	width: 6.6rem;
	height: auto;
}

.brand-book {
	margin-left: -0.2rem;
	font-size: 1.75rem;
	font-weight: 700;
	letter-spacing: -0.045em;
	line-height: 1;
}

.nav {
	display: flex;
	flex: 1;
	flex-direction: column;
	gap: 0.1rem;
	min-height: 0;
	overflow-y: auto;
	padding-right: 0.15rem;
}

.nav-group {
	margin: 1.2rem 0 0.35rem;
	padding: 0 0.65rem;
	color: var(--muted);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.13em;
	text-transform: uppercase;
}

.nav-group:first-child {
	margin-top: 0;
}

.nav-link {
	display: block;
	padding: 0.42rem 0.65rem;
	border-radius: 0.5rem;
	color: var(--muted);
	font-size: 0.92rem;
	text-decoration: none;
}

.nav-link:hover {
	background: var(--surface-2);
	color: var(--text);
}

.nav-link.active {
	background: var(--accent-soft);
	color: var(--accent);
	font-weight: 600;
}

.sidebar-footer {
	margin-top: 0.5rem;
	padding-top: 0.9rem;
	border-top: 1px solid var(--border);
	background: var(--surface);
}

.theme-toggle {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.55rem 0.7rem;
	border: 1px solid var(--border);
	border-radius: 0.55rem;
	background: var(--surface-2);
	color: var(--text);
	font-size: 0.9rem;
	cursor: pointer;
}

.theme-toggle:hover {
	border-color: var(--accent);
}

.theme-icon {
	width: 1.1rem;
	font-size: 1rem;
	line-height: 1;
	text-align: center;
}

.theme-sun,
.theme-label-light {
	display: none;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) .theme-sun {
		display: inline;
	}

	:root:not([data-theme="light"]) .theme-moon {
		display: none;
	}

	:root:not([data-theme="light"]) .theme-label-light {
		display: inline;
	}

	:root:not([data-theme="light"]) .theme-label-dark {
		display: none;
	}
}

:root[data-theme="dark"] .theme-sun {
	display: inline;
}

:root[data-theme="dark"] .theme-moon {
	display: none;
}

:root[data-theme="dark"] .theme-label-light {
	display: inline;
}

:root[data-theme="dark"] .theme-label-dark {
	display: none;
}

.content {
	padding: 2.75rem clamp(1.5rem, 4vw, 3.5rem) 6rem;
}

.content-inner {
	max-width: 52rem;
}

.eyebrow {
	margin: 0 0 0.4rem;
	color: var(--accent);
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.13em;
	text-transform: uppercase;
}

.hero {
	margin-bottom: 2.5rem;
}

.hero h1,
.page-head h1 {
	margin: 0;
	font-size: clamp(2.1rem, 4.5vw, 3.1rem);
	letter-spacing: -0.035em;
	line-height: 1.05;
}

.hero p:last-child,
.page-head p:last-child {
	max-width: 38rem;
	margin: 0.7rem 0 0;
	color: var(--muted);
	line-height: 1.6;
}

.page-head {
	margin-bottom: 1.75rem;
}

.tiles {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
	gap: 0.75rem;
}

.tile {
	display: block;
	padding: 0.95rem 1rem;
	border: 1px solid var(--border);
	border-radius: 0.7rem;
	background: var(--surface);
	color: inherit;
	text-decoration: none;
	box-shadow: var(--shadow);
}

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

.tile strong {
	display: block;
	margin-bottom: 0.15rem;
	font-size: 0.98rem;
}

.tile span {
	color: var(--muted);
	font-size: 0.84rem;
	line-height: 1.45;
}

.demo {
	display: grid;
	gap: 1rem;
	margin-bottom: 1rem;
	padding: 1.1rem 1.2rem;
	border: 1px solid var(--border);
	border-radius: 0.8rem;
	background: var(--surface);
	box-shadow: var(--shadow);
}

.row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
}

.code-block {
	padding: 1rem 1.1rem;
	border: 1px solid var(--border);
	border-radius: 0.8rem;
	background: var(--code-bg);
}

.code-block h3 {
	margin: 0 0 0.6rem;
	color: var(--muted);
	font-size: 0.72rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.code-block pre {
	margin: 0;
	overflow-x: auto;
}

.code-block code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.85rem;
	line-height: 1.55;
}

.slot-input {
	width: 100%;
	padding: 0.55rem 0.7rem;
	border: 1px solid var(--border);
	border-radius: 0.5rem;
	background: var(--bg);
	color: var(--text);
	font: inherit;
}

.server-count {
	margin: 0;
	color: var(--muted);
	font-weight: 600;
}

.virtual-row-content {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	height: 100%;
}

@media (max-width: 900px) {
	.shell {
		grid-template-columns: 1fr;
	}

	.sidebar {
		position: static;
		height: auto;
		overflow: visible;
		border-right: 0;
		border-bottom: 1px solid var(--border);
	}

	.nav {
		display: grid;
		grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
		overflow: visible;
	}

	.nav-group {
		grid-column: 1 / -1;
	}

	.sidebar-footer {
		margin-top: 1rem;
	}

	.content {
		padding-top: 2rem;
	}
}