:root {
  --bg: #ffffff; --fg: #1f2328; --muted: #656d76; --line: #d0d7de;
  --link: #0969da; --accent: #7048e8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --fg: #e6edf3; --muted: #8b949e; --line: #30363d;
    --link: #4493f8; --accent: #b197fc;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
header.site { border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 32px; }
header.site a { color: var(--fg); text-decoration: none; font-weight: 700; }
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.muted { color: var(--muted); }
a { color: var(--link); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 14px 0; }
.card h3 { margin: 0 0 4px; font-size: 18px; }
.card .links a { margin-right: 14px; }
code { background: rgba(128,128,128,.15); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
footer { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 16px; color: var(--muted); font-size: 14px; }
.badge { display: inline-block; font-size: 12px; color: #fff; background: var(--accent); border-radius: 99px; padding: 2px 10px; vertical-align: middle; }