* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica", "Arial", sans-serif;
	line-height: 1.7;
	color: #3d3d3a;
	background: #f9f8f5;
}

@media (prefers-color-scheme: dark) {
	body {
		background: #1a1a18;
		color: #c2c0b6;
	}
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
}

header {
	background: linear-gradient(135deg, #e6f1fb 0%, #eaedfe 100%);
	padding: 60px 0;
	margin-bottom: 40px;
	border-bottom: 1px solid #ddd;
}

@media (prefers-color-scheme: dark) {
	header {
		background: linear-gradient(135deg, #0c3a5c 0%, #2a1d4a 100%);
		border-bottom-color: #444;
	}
}

h1 {
	font-size: 32px;
	font-weight: 600;
	margin-bottom: 12px;
	line-height: 1.2;
}

.subtitle {
	font-size: 18px;
	color: #666;
	margin-bottom: 8px;
}

@media (prefers-color-scheme: dark) {
	.subtitle {
		color: #999;
	}
}

.tagline {
	font-size: 14px;
	color: #999;
	margin-top: 16px;
}

@media (prefers-color-scheme: dark) {
	.tagline {
		color: #666;
	}
}

h2 {
	font-size: 24px;
	font-weight: 600;
	margin: 48px 0 20px 0;
	padding-top: 24px;
	border-top: 1px solid #ddd;
}

@media (prefers-color-scheme: dark) {
	h2 {
		border-top-color: #444;
	}
}

h3 {
	font-size: 18px;
	font-weight: 600;
	margin: 32px 0 16px 0;
}

p {
	margin-bottom: 16px;
}

ul,
ol {
	margin-bottom: 16px;
	margin-left: 24px;
}

li {
	margin-bottom: 8px;
}

code {
	background: #f0ede5;
	padding: 2px 6px;
	border-radius: 4px;
	font-family: "Courier New", monospace;
	font-size: 14px;
}

@media (prefers-color-scheme: dark) {
	code {
		background: #2a2a28;
	}
}

pre {
	background: #f0ede5;
	padding: 16px;
	border-radius: 8px;
	overflow-x: auto;
	margin-bottom: 16px;
	font-size: 13px;
	line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
	pre {
		background: #2a2a28;
	}
}

.diagram {
	background: var(--color-bg, #fff);
	border: 1px solid #ddd;
	border-radius: 8px;
	padding: 24px;
	margin: 24px 0;
	overflow-x: auto;
}

@media (prefers-color-scheme: dark) {
	.diagram {
		background: #242423;
		border-color: #444;
	}
}

table {
	width: 100%;
	border-collapse: collapse;
	margin: 24px 0;
	font-size: 14px;
}

th,
td {
	padding: 12px;
	text-align: left;
	border-bottom: 1px solid #ddd;
}

@media (prefers-color-scheme: dark) {

	th,
	td {
		border-bottom-color: #444;
	}
}

th {
	background: #f5f3f0;
	font-weight: 600;
}

@media (prefers-color-scheme: dark) {
	th {
		background: #2a2a28;
	}
}

.callout {
	background: #f9f8f5;
	border-left: 4px solid #534ab7;
	padding: 16px;
	margin: 24px 0;
	border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
	.callout {
		background: #2a2a28;
	}
}

.toc {
	background: #f5f3f0;
	padding: 24px;
	border-radius: 8px;
	margin: 32px 0;
}

@media (prefers-color-scheme: dark) {
	.toc {
		background: #242423;
	}
}

.toc ol {
	margin-left: 20px;
}

.toc a {
	color: #185fa5;
	text-decoration: none;
}

@media (prefers-color-scheme: dark) {
	.toc a {
		color: #85b7eb;
	}
}

.toc a:hover {
	text-decoration: underline;
}

.section {
	margin-bottom: 40px;
}

a {
	color: #185fa5;
}

@media (prefers-color-scheme: dark) {
	a {
		color: #85b7eb;
	}
}

a:hover {
	text-decoration: underline;
}

footer {
	text-align: center;
	padding: 40px 0;
	border-top: 1px solid #ddd;
	color: #999;
	font-size: 13px;
	margin-top: 60px;
}

@media (prefers-color-scheme: dark) {
	footer {
		border-top-color: #444;
		color: #666;
	}
}

.grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
	margin: 24px 0;
}

@media (max-width: 680px) {
	.grid-2 {
		grid-template-columns: 1fr;
	}
}

.box {
	background: #fafaf8;
	padding: 16px;
	border: 1px solid #ddd;
	border-radius: 8px;
}

@media (prefers-color-scheme: dark) {
	.box {
		background: #2a2a28;
		border-color: #444;
	}
}

.box-title {
	font-weight: 600;
	margin-bottom: 8px;
	font-size: 14px;
}

em {
	font-style: italic;
}

strong {
	font-weight: 600;
}