:root { --bg: #faf7f0; --fg: #23201a; --muted: #6b6457; --accent: #2b3c8e; --card: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --bg: #16150f; --fg: #ece7dc; --muted: #a59d8e; --accent: #9fb0ff; --card: #201e17; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 2rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 32px 0 6px; }
p, li { margin: 6px 0; }
.muted { color: var(--muted); }
a { color: var(--accent); }
.card { background: var(--card); border-radius: 14px; padding: 16px 18px; margin: 18px 0; }
nav.top { display: flex; gap: 16px; margin-bottom: 24px; font-size: 0.95rem; }
.toc { columns: 2; column-gap: 24px; padding-left: 18px; }
@media (max-width: 560px) { .toc { columns: 1; } }
details { background: var(--card); border-radius: 12px; padding: 10px 14px; margin: 8px 0; }
summary { cursor: pointer; font-weight: 600; }
details p, details ul { margin: 8px 0 2px; }
table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid color-mix(in srgb, var(--muted) 30%, transparent); vertical-align: top; }
footer { margin-top: 40px; font-size: 0.9rem; }