:root { color-scheme: light dark; }
body { font-family: -apple-system, system-ui, Segoe UI, Roboto, Arial, sans-serif; margin: 0; }
main { max-width: 860px; margin: 0 auto; padding: 28px 18px; line-height: 1.55; }
header { display: flex; gap: 12px; justify-content: space-between; align-items: center; flex-wrap: wrap; }
nav a { margin-right: 12px; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
.card { border: 1px solid rgba(127,127,127,.35); border-radius: 12px; padding: 16px; margin: 14px 0; }
.small { opacity: .75; font-size: .92rem; }
.badge { display: inline-block; padding: 2px 10px; border: 1px solid rgba(127,127,127,.35); border-radius: 999px; font-size: .85rem; }
footer { margin-top: 28px; padding-top: 14px; border-top: 1px solid rgba(127,127,127,.25); }
ul { padding-left: 18px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: .95em; }