:root { color-scheme: light dark; --text: #17171f; --muted: #555566; --page: #f4f4f8; --card: #ffffff; --accent: #6d28d9; }
@media (prefers-color-scheme: dark) { :root { --text: #f1f1f7; --muted: #a0a0b4; --page: #101018; --card: #1b1b27; --accent: #a78bfa; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 48px; }
article { background: var(--card); border-radius: 14px; padding: 24px 22px; }
h1 { margin: 0 0 4px; font-size: 1.7rem; }
h2 { margin: 1.6em 0 0.4em; font-size: 1.15rem; }
p, li { margin: 0.5em 0; }
.muted { color: var(--muted); font-size: 0.92rem; }
a { color: var(--accent); }
nav { margin-top: 20px; font-size: 0.95rem; }