/* ==========================================================================
   CSS Properties Reference - Base Styles
   ========================================================================== */

/* CSS Custom Properties */
:root {
	--color-bg: #ffffff;
	--color-bg-secondary: #f8f9fa;
	--color-text: #333333;
	--color-text-muted: #666666;
	--color-border: #e1e4e8;
	--color-accent: rebeccapurple;
	--color-accent-hover: #5e2ca5;
	--color-accent-bg: #f0e6ff;

	/* Status Colors (Light) */
	--color-status-experimental-bg: #f8f0fc;
	--color-status-experimental-border: #d0bfff;
	--color-status-draft-bg: #fff9db;
	--color-status-draft-border: #ffe066;
	--color-status-deprecated-bg: #f1f3f5;

	/* Highlight Colors (Light) */
	--color-highlight-bg: #fff3cd;
	--color-highlight-pulse-start: #fff3cd;
	--color-highlight-pulse-mid: #ffeeba;

	/* Code Block Colors (Light) */
	--color-code-bg: #f5f5f5;
	--color-pre-bg: #f8f8f8;

	--header-height: 56px;
	--sidebar-width: auto;

	--font-sans:
		-apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
	--font-mono: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
	:root {
		--color-bg: #1a1a1a;
		--color-bg-secondary: #242424;
		--color-text: #e4e4e4;
		--color-text-muted: #a0a0a0;
		--color-border: #404040;
		--color-accent: #b794f6;
		--color-accent-hover: #d4bfff;
		--color-accent-bg: #3d2d5c;

		/* Status Colors (Dark) */
		--color-status-experimental-bg: #2d1f3f;
		--color-status-experimental-border: #6b4c9a;
		--color-status-draft-bg: #272110;
		--color-status-draft-border: #998600;
		--color-status-deprecated-bg: #2a2a2a;

		/* Highlight Colors (Dark) */
		--color-highlight-bg: #4a4a2d;
		--color-highlight-pulse-start: #4a4a2d;
		--color-highlight-pulse-mid: #5a5a3d;

		/* Code Block Colors (Dark) */
		--color-code-bg: #2d2d2d;
		--color-pre-bg: #1e1e1e;
	}
}

/* Reset & Base */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	height: 100%;
}

body {
	font-family: var(--font-sans);
	line-height: 1.6;
	margin: 0;
	padding: 0;
	color: var(--color-text);
	background-color: var(--color-bg);
	height: 100%;
	overflow: hidden;

	/* Main layout: search bar + header in top row, nav + main below */
	display: grid;
	grid-template-rows: var(--header-height) 1fr;
	grid-template-columns: minmax(300px, auto) 1fr;
	grid-template-areas:
		"sidebar header"
		"sidebar main";
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
	color: var(--color-text);
	line-height: 1.3;
}

h1 {
	font-size: 2rem;
	border-bottom: 2px solid var(--color-accent);
	padding-bottom: 12px;
	margin-top: 0;
}

h2 {
	font-size: 1.5rem;
	margin-top: 2rem;
}

h3 {
	font-size: 1.25rem;
}

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

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

ul,
ol {
	padding-left: 24px;
}

dd {
	display: inline;
	margin: 0;

	&::after {
		content: " ";
		display: block;
	}
}

dt {
	display: inline-block;

	&::after {
		content: ":\00A0";
	}
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
	grid-area: header;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 0 20px;
	height: var(--header-height);
	background: var(--color-bg-secondary);
	border-bottom: 1px solid var(--color-border);

	h1 {
		margin: 0;
		font-size: 1.25rem;
		font-weight: 600;
		border: none;
		padding: 0;

		a {
			color: var(--color-text);
			text-decoration: none;
			transition: color 0.2s;

			&:hover {
				color: var(--color-accent);
			}
		}
	}

	.nav {
		display: flex;
		gap: 8px;
		align-items: center;

		a {
			color: var(--color-accent);
			text-decoration: none;
			padding: 8px 12px;
			border-radius: 6px;
			font-size: 14px;
			font-weight: 500;
			transition: all 0.15s;

			&:hover {
				background: var(--color-accent-bg);
				color: var(--color-accent-hover);
			}
		}
	}
}

/* Sidebar Toggle Button (in header) */
.sidebar-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	padding: 0;
	border: 1px solid var(--color-border);
	border-radius: 6px;
	background: var(--color-bg);
	color: var(--color-text);
	cursor: pointer;
	transition: all 0.15s ease;

	&:hover {
		background: var(--color-accent-bg);
		border-color: var(--color-accent);
		color: var(--color-accent);
	}
}

.hamburger {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 4px;
	width: 16px;
	height: 16px;

	span {
		display: block;
		width: 100%;
		height: 2px;
		background: currentColor;
		border-radius: 1px;
	}
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.main-scroll-container {
	grid-area: main;
	overflow-y: scroll;
	display: flex;
	flex-direction: column;
	background: var(--color-bg);
}

.content {
	flex: 1;
	padding: 32px;
	max-width: 900px;
	margin: 0 auto;
	width: 100%;
}

.footer {
	padding: 24px 32px;
	text-align: center;
	color: var(--color-text-muted);
	font-size: 0.875rem;
	border-top: 1px solid var(--color-border);
	margin-top: auto;
}

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */

::-webkit-scrollbar {
	width: 10px;
	height: 10px;
}

::-webkit-scrollbar-track {
	background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
	background: var(--color-border);
	border-radius: 5px;
	border: 2px solid var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
	background: var(--color-text-muted);
}

/* ==========================================================================
   Browser Compatibility Table
   ========================================================================== */

.compat-panel {
	margin: 40px 0;
}

.compat-meta {
	font-size: 0.875rem;
	color: var(--color-text-muted);
	margin-bottom: 16px;
}

.compat-table {
	width: 100%;
	border-collapse: collapse;
	border: 1px solid var(--color-border);
	border-radius: 6px;
	overflow: hidden;
	font-size: 0.9rem;
}

.compat-table thead {
	background: var(--color-bg-secondary);
}

.compat-table th {
	padding: 12px 16px;
	text-align: left;
	font-weight: 600;
	border-bottom: 2px solid var(--color-border);
}

.compat-table th:first-child {
	width: 40%;
}

.compat-table td {
	padding: 10px 16px;
	border-bottom: 1px solid var(--color-border);
}

.compat-table tbody tr:last-child td {
	border-bottom: none;
}

.compat-table tbody tr:hover {
	background: var(--color-bg-secondary);
}

/* ==========================================================================
   Responsive - Mobile Layout
   ========================================================================== */

@media (max-width: 768px) {
	body {
		grid-template-rows: var(--header-height) auto 1fr;
		grid-template-columns: 1fr;
		grid-template-areas:
			"header"
			"main";
		overflow: auto;
	}

	.sidebar-toggle {
		display: flex;
	}

	.header {
		position: sticky;
		top: 0;
		/* z-index: 100; */
		padding: 0 16px;
	}

	.content {
		padding: 20px 16px;
	}

	h1 {
		font-size: 1.5rem;
	}
}