:root {
	color-scheme: light;
	--bg: #eef3fa;
	--card: #fff;
	--text: #17223b;
	--muted: #60718f;
	--border: #cbd8ea;
	--accent: #6f75dc;
}

:root[data-theme='dark'] {
	color-scheme: dark;
	--bg: #0b1220;
	--card: #17233a;
	--text: #eef3ff;
	--muted: #a8b5cf;
	--border: #30425f;
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	min-height: 100%;
}

body {
	background: var(--bg);
	color: var(--text);
	font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	padding: 32px 20px;
}

main {
	max-width: 860px;
	margin: 0 auto;
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 18px;
	padding: 32px clamp(22px, 5vw, 56px);
	box-shadow: 0 18px 48px rgba(20, 35, 65, 0.12);
}

h1 {
	margin: 0 0 8px;
	font-size: 28px;
}

h2 {
	margin: 28px 0 8px;
	font-size: 19px;
}

p,
li {
	color: var(--muted);
}

.updated {
	font-size: 13px;
}