:root {
  --paper: #f4f6f8; --pane: #ffffff; --ink: #22272e; --muted: #5b6672;
  --line: #d7dde3; --accent: #0f766e; --accent-ink: #ffffff; --chip: #e8ecef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14181c; --pane: #1b2127; --ink: #d6dde3; --muted: #8b97a3;
    --line: #2c343d; --accent: #2dd4bf; --accent-ink: #0c2b27; --chip: #242c34;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.6;
}
.mono, code, pre { font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace; }
header.site {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--pane);
}
.wordmark { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 24px; font-weight: 700; color: var(--ink); text-decoration: none; }
.wordmark span { color: var(--accent); }
header.site nav { display: flex; gap: 16px; flex-wrap: wrap; }
header.site a { color: var(--muted); text-decoration: none; font-size: 14.5px; }
header.site a:hover { color: var(--accent); }
main { max-width: 760px; margin: 0 auto; padding: 28px 20px 60px; }
h1 { font-size: 28px; line-height: 1.25; text-wrap: balance; }
h2 { font-size: 20px; margin-top: 2em; }
a { color: var(--accent); }
pre {
  background: var(--pane); border: 1px solid var(--line); border-radius: 6px;
  padding: 12px 14px; overflow-x: auto; font-size: 13.5px; line-height: 1.5;
}
code { font-size: 0.92em; }
p > img { max-width: 100%; border: 1px solid var(--line); border-radius: 6px; }
video { max-width: 100%; border: 1px solid var(--line); border-radius: 6px; background: #000; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; padding: 0; margin: 24px 0; list-style: none; }
.cards a {
  display: block; padding: 16px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--pane); color: var(--ink); text-decoration: none;
}
.cards a:hover { border-color: var(--accent); }
.cards .t { font-weight: 600; margin-bottom: 4px; }
.cards .d { color: var(--muted); font-size: 14px; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; padding: 14px 20px; }
.videoframe { aspect-ratio: 16 / 9; width: 100%; border: 1px solid var(--line); border-radius: 6px; }