:root {
	/* Color variables */
	--color-primary: #3498db;
	--color-dark: #2c3e50;
	--color-darker: #34495e;
	--color-text: #333;
	--color-text-light: #555;
	--color-text-sidebar: #2c3e50;
	--color-text-sidebar-muted: #7f8c8d;
	--color-border: #e0e0e0;
	--color-bg: #fafafa;
	--color-code-bg: #f4f4f4;
	--color-hover-bg: #f5f5f5;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
	:root {
		--color-primary: #5dade2;
		--color-dark: #ecf0f1;
		--color-darker: #bdc3c7;
		--color-text: #e0e0e0;
		--color-text-light: #b0b0b0;
		--color-text-sidebar: #ecf0f1;
		--color-text-sidebar-muted: #95a5a6;
		--color-border: #34495e;
		--color-bg: #1a1a1a;
		--color-code-bg: #2c2c2c;
		--color-hover-bg: #2c3e50;
	}
}

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

i {
	font-size: 24px;
	margin-right: 8px;
}

i:hover {
	opacity: 0.7;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	line-height: 1.6;
	color: var(--color-text);
	background: var(--color-bg);
}

.container {
	display: flex;
	min-height: 100vh;
	justify-content: center;
	align-items: flex-start;
	padding: 0 1rem;
}

.sidebar {
	width: 200px;
	color: var(--color-text-sidebar);
	padding: 0;
	position: sticky;
	display: flex;
	flex-direction: column;
	top: 3rem;
	height: fit-content;
	border-right: 2px solid var(--color-border);
}

.sidebar-header {
	font-weight: 700;
	font-size: 1.2rem;
	padding: 0 1.5rem;
	margin-bottom: 2rem;
	letter-spacing: 0.05em;
	color: var(--color-dark);
}

#nav {
	flex: 1;
}

.nav-item {
	padding: 0.75rem 1.5rem;
	cursor: pointer;
	transition: all 0.2s;
	color: var(--color-text-sidebar-muted);
	padding-bottom: 1rem;
}

.nav-item:hover {
	background: var(--color-hover-bg);
	color: var(--color-text-sidebar);
}

.nav-item.active {
	background: var(--color-hover-bg);
	color: var(--color-dark);
	border-left: 3px solid var(--color-primary);
	font-weight: 500;
}

.sidebar-footer {
	padding: 1rem 1.5rem;
	border-top: 1px solid var(--color-border);
	margin-top: 1rem;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.sidebar-footer a {
	color: var(--color-text-sidebar-muted);
	text-decoration: none;
	font-size: 0.9rem;
	transition: color 0.2s;
}

.sidebar-footer a:hover {
	color: var(--color-primary);
}

.content {
	padding: 3rem 1rem;
	max-width: 800px;
	width: 100%;
	overflow-y: auto;
	opacity: 1;
	transition: opacity 0.15s;
}

.content.fade {
	opacity: 0;
}

.content h1 {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	color: var(--color-dark);
}

.content h2 {
	font-size: 1.8rem;
	margin-top: 2rem;
	margin-bottom: 1rem;
	color: var(--color-darker);
}

.content h3 {
	font-size: 1.3rem;
	margin-top: 1.5rem;
	margin-bottom: 0.75rem;
	color: var(--color-darker);
}

.content p {
	margin-bottom: 1rem;
	color: var(--color-text-light);
}

.content ul,
.content ol {
	margin: 1rem 0;
	padding-left: 2rem;
}

.content li {
	margin-bottom: 0.5rem;
	color: var(--color-text-light);
}

.content a {
	color: var(--color-primary);
	text-decoration: none;
}

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

.content strong {
	color: var(--color-dark);
	font-weight: 600;
}

.content code {
	background: var(--color-code-bg);
	line-height: 1;
	border-radius: 3px;
	font-family: "Monaco", "Courier New", monospace;
	font-size: 0.9em;
}

@media (max-width: 600px) {
	.container {
		flex-direction: column;
		align-items: center;
		padding: 0 1rem;
	}

	.sidebar {
		position: relative;
		width: 100%;
		height: auto;
		top: auto;
		margin-top: 1rem;
		border-right: none;
	}

	.sidebar-footer {
		border-bottom: 1px solid var(--color-border);
	}

	.content {
		width: 100%;
		margin-left: 0;
		padding: 1rem;
	}
}