:root { color-scheme: light dark; }
html { font: 17px/1.55 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: #f6f7f9; color: #1c2430; }
@media (prefers-color-scheme: dark) { html { background: #111418; color: #e6e9ee; } a { color: #8fb8ff; } }
body { margin: 0; }
main { max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
header nav { font-size: 0.95rem; margin-bottom: 1.5rem; }
header nav a + a { margin-left: 1rem; }
h1 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 0.25rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
h3 { font-size: 1.05rem; margin-top: 1.25rem; }
p.meta { opacity: 0.75; margin-top: 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.4rem 0.5rem; border-bottom: 1px solid rgba(128,128,128,0.35); }
code { font-size: 0.9em; }
footer { margin-top: 3rem; font-size: 0.9rem; opacity: 0.75; }