/* ========================
    Design Tokens (CSS Vars)
    ======================== */
:root {
	/* Light (fallback defaults) */
	--color-bg: #ffffff; /* Light Background */
	--color-surface: #f8fafc; /* Light Surface */
	--color-text: #0f172a; /* Text primary */
	--color-text-2: #475569; /* Text secondary */
	--color-primary: #4f46e5; /* Indigo 600 */
	--color-accent: #06b6d4; /* Cyan 500 */
	--color-border: #e2e8f0; /* light border */
	--color-success: #22c55e;
	--color-warning: #f59e0b;
	--color-error: #ef4444;
	--shadow-1:
		0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 1px rgba(15, 23, 42, 0.04);
	--shadow-2: 0 10px 30px rgba(2, 6, 23, 0.12), 0 4px 10px rgba(2, 6, 23, 0.06);
	--radius: 16px;
	--radius-sm: 12px;
	--container: 1200px;
}

/* Dark theme overrides */
html[data-theme="dark"] {
	--color-bg: #0b1220; /* Dark Background */
	--color-surface: #111827; /* Dark Surface */
	--color-text: #e5e7eb; /* Text on dark (primary) */
	--color-text-2: #9ca3af; /* Text on dark (secondary) */
	--color-border: #1f2937; /* Dark Border */
}

/* Respect system preference by default */
@media (prefers-color-scheme: dark) {
	html:not([data-theme]) {
		color-scheme: dark;
	}
}

* {
	box-sizing: border-box;
}
html,
body {
	height: 100%;
}
body {
	margin: 0;
	font-family:
		system-ui,
		-apple-system,
		Segoe UI,
		Roboto,
		Ubuntu,
		Cantarell,
		Noto Sans,
		Helvetica,
		Arial,
		"Apple Color Emoji",
		"Segoe UI Emoji";
	background: var(--color-bg);
	color: var(--color-text);
}
a {
	color: inherit;
	text-decoration: none;
}

/* Layout helpers */
.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 20px;
}
.stack {
	display: flex;
	flex-direction: column;
	gap: var(--gap, 16px);
	max-width: 900px;
	margin: 0 auto;
	width: 100%;
}
.text-align-center {
	text-align: center;
}

.row {
	display: flex;
	align-items: center;
	gap: var(--gap, 12px);
}
.spacer {
	height: var(--h, 24px);
}

.mid-center-text {
	font-size: 18px;
	text-align: center;
}

.big-text-no-margin {
	font-size: clamp(24px, 5vw, 36px);
	margin: 0;
}

/* Header */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	backdrop-filter: saturate(180%) blur(8px);
	background: color-mix(in oklab, var(--color-bg) 80%, transparent);
	border-bottom: 1px solid var(--color-border);
}
.header-inner {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	height: 64px;
}

.brand {
	font-weight: 800;
	letter-spacing: -0.02em;
	font-size: 18px;
	display: inline-flex;
	align-items: baseline;
	gap: 10px;
}
.brand .logo {
	font-size: 18px;
	background-color: #5755e8;
	padding: 5px;
	border-radius: 10px;
	height: 41.5px;
	align-content: space-around;
	color: #fff;
}
.brand .name {
	display: inline-flex;
	align-items: baseline;
}
.brand .name strong {
	color: var(--color-primary);
}

.main-nav {
	justify-self: center;
	display: flex;
	gap: 24px;
}
.main-nav a {
	color: var(--color-text-2);
	font-weight: 500;
	padding: 8px 10px;
	border-radius: 10px;
	transition:
		color 0.2s ease,
		background 0.2s ease;
}
.main-nav a:hover {
	color: var(--color-text);
	background: color-mix(in oklab, var(--color-surface), transparent 60%);
}

.header-actions {
	justify-self: end;
}
.btn {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	border-radius: 12px;
	font-weight: 600;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
	color: var(--color-text);
	box-shadow: var(--shadow-1);
	transition:
		transform 0.04s ease,
		box-shadow 0.2s ease,
		background 0.2s ease,
		border-color 0.2s ease;
}
.btn:hover {
	transform: translateY(-1px);
	box-shadow: var(--shadow-2);
}
.btn.primary {
	background: linear-gradient(
		180deg,
		color-mix(in oklab, var(--color-primary) 92%, white 8%),
		var(--color-primary)
	);
	border-color: color-mix(in oklab, var(--color-primary), black 14%);
	color: white;
}
.btn.accent {
	background: var(--color-accent);
	color: #00131a;
}
.btn-disabled {
	background: var(--color-text-2);
	color: var(--color-surface);
}

/* Theme toggle */
.theme-toggle {
	border-radius: 12px;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
	padding: 6px 10px;
	cursor: pointer;

	height: 41.5px;
	width: 41.5px;
	align-content: space-around;
}

/* Hero */
.hero {
	position: relative;
	overflow: hidden;
	padding: 72px 0 36px;
}
.hero::before {
	content: "";
	position: absolute;
	inset: -20% -20% auto -20%;
	height: 60%;
	background:
		radial-gradient(
			1000px 500px at 20% 10%,
			color-mix(in oklab, var(--color-primary), transparent 60%),
			transparent
		),
		radial-gradient(
			900px 500px at 80% 0%,
			color-mix(in oklab, var(--color-accent), transparent 70%),
			transparent
		);
	filter: blur(40px);
	opacity: 0.35;
	pointer-events: none;
}
.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-text-2);
	background: color-mix(in oklab, var(--color-surface), transparent 40%);
	border: 1px solid var(--color-border);
	padding: 6px 10px;
	border-radius: 999px;
}
.hero h1 {
	font-size: clamp(32px, 8vw, 56px);
	line-height: 1.05;
	letter-spacing: -0.02em;
	margin: 16px 0 12px;
}
.hero p {
	font-size: clamp(16px, 2.4vw, 20px);
	color: var(--color-text-2);
	max-width: 900px;
}
.hero-actions {
	margin-top: 22px;
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

/* Media embed placeholder */
.video-wrap {
	margin: 36px auto 0;
	width: min(100%, 960px);
	aspect-ratio: 16 / 9;
	background: repeating-linear-gradient(
		135deg,
		color-mix(in oklab, var(--color-surface), transparent 20%) 0 16px,
		transparent 16px 32px
	);
	border: 1px dashed var(--color-border);
	border-radius: var(--radius);
	display: grid;
	place-items: center;
	color: var(--color-text-2);
}

hr.sep {
	border: 0;
	height: 1px;
	background: linear-gradient(
		90deg,
		transparent,
		var(--color-border),
		transparent
	);
	margin: 60px 0;
}

/* Feature grids */
.grid-4 {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}
.grid-2x2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 16px;
}

.card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 18px;
	box-shadow: var(--shadow-1);
	transition:
		transform 0.08s ease,
		box-shadow 0.2s ease,
		border-color 0.2s ease;

	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.card-symbol {
	margin-bottom: calc(var(--spacing) * 4);
	font-size: 2em;
}
.card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-2);
	border-color: color-mix(in oklab, var(--color-primary), var(--color-border));
}
.card h3 {
	margin: 0 0 6px;
	font-size: 18px;
}
.muted {
	color: var(--color-text-2);
}

/* Quote / closing */
.closing {
	font-size: clamp(18px, 3vw, 26px);
	text-align: center;
	margin: 40px auto 100px;
	color: var(--color-text-2);
	max-width: 900px;
}

/* ===== Reusable Components for Docs & Recipes ===== */
.doc-layout {
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: 24px;
}

/* Sidebar nav */
.sidebar {
	position: sticky;
	top: 84px;
	align-self: start;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 12px;
}
.sidebar a {
	display: block;
	padding: 8px 10px;
	border-radius: 10px;
	color: var(--color-text-2);
}
.sidebar a:hover,
.sidebar a.active {
	background: color-mix(in oklab, var(--color-primary), transparent 90%);
	color: var(--color-text);
}

/* Callouts */
.callout {
	display: grid;
	grid-template-columns: 28px 1fr;
	gap: 10px;
	padding: 12px;
	border: 1px solid var(--color-border);
	border-left: 6px solid var(--accent, var(--color-primary));
	background: color-mix(in oklab, var(--color-surface), transparent 20%);
	border-radius: var(--radius-sm);
}
.callout.note {
	--accent: var(--color-accent);
}
.callout.warn {
	--accent: var(--color-warning);
}
.callout.good {
	--accent: var(--color-success);
}
.callout.error {
	--accent: var(--color-error);
}

/* Badges / Pills */
.badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 0.02em;
	padding: 6px 10px;
	border-radius: 999px;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
}

/* Tabs */
.tabs {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--color-surface);
}
.tablist {
	display: flex;
	gap: 2px;
	background: color-mix(in oklab, var(--color-surface), transparent 30%);
	border-bottom: 1px solid var(--color-border);
}
.tablist button {
	flex: 1;
	padding: 10px;
	font-weight: 600;
	background: transparent;
	color: var(--color-text-2);
	border: 0;
	cursor: pointer;
}
.tablist button[aria-selected="true"] {
	color: var(--color-text);
	background: color-mix(in oklab, var(--color-primary), transparent 92%);
}
.tabpanel {
	padding: 16px;
	display: none;
}
.tabpanel.active {
	display: block;
}

/* Accordion */
.accordion {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	overflow: hidden;
}
.accordion details {
	border-bottom: 1px solid var(--color-border);
	background: var(--color-surface);
}
.accordion summary {
	list-style: none;
	cursor: pointer;
	padding: 14px 16px;
	font-weight: 600;
}
.accordion summary::-webkit-details-marker {
	display: none;
}
.accordion details[open] summary {
	background: color-mix(in oklab, var(--color-primary), transparent 92%);
}
.accordion .content {
	padding: 0 16px 16px;
	color: var(--color-text-2);
}

/* Code blocks */
pre.code {
	position: relative;
	padding: 16px;
	background: #0a0f1a;
	color: #e5e7eb;
	border-radius: var(--radius);
	border: 1px solid var(--color-border);
	overflow: auto;
}
pre.code.light {
	background: #0b1220;
} /* looks good in both themes */
.copy-btn {
	position: absolute;
	top: 10px;
	right: 10px;
	padding: 6px 10px;
	font-size: 12px;
	border-radius: 10px;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
	cursor: pointer;
}

/* Footer */
footer {
	border-top: 1px solid var(--color-border);
	margin-top: 80px;
	padding: 24px 0;
	color: var(--color-text-2);
}

.menu-toggle {
	display: none;
	border-radius: 12px;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
	padding: 6px 10px;
	cursor: pointer;

	height: 41.5px;
	width: 41.5px;
	align-content: space-around;
}

#navMenuToggle > i {
	color: #fff;
}

.mb-0 {
	margin-bottom: 0px;
}

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

@media (max-width: 1000px) {
	.grid-4 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 700px) {
	.menu-toggle {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		gap: 8px;
	}
	/* Hide desktop nav, show as panel when open */
	.main-nav {
		display: none;
		position: absolute;
		top: 64px;
		left: 0;
		right: 0;
		background: var(--color-surface);
		border-bottom: 1px solid var(--color-border);
		padding: 12px 20px;
		flex-direction: column;
		gap: 12px;
		box-shadow: var(--shadow-2);
	}
	body.nav-open .main-nav,
	.site-header:has(.menu-toggle[aria-expanded="true"]) .main-nav {
		display: flex;
	}
	.header-inner {
		grid-template-columns: 1fr auto;
	}

	.grid-4,
	.grid-2x2 {
		grid-template-columns: 1fr;
	}
}