:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b6170;
  --line: #e3e5ea;
  --accent: #4f46e5;
  --card: #f6f7f9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #eceef2;
    --muted: #a0a6b4;
    --line: #262a33;
    --accent: #8b85ff;
    --card: #171a21;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 8px; flex-wrap: wrap; }
header a.brand { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; }
header nav { display: flex; gap: 16px; flex-wrap: wrap; }
a { color: var(--accent); }
h1 { font-size: 32px; line-height: 1.2; margin: 32px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }
.lede { color: var(--muted); font-size: 18px; margin-top: 0; }
.operator { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; }
.sample { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; white-space: pre-wrap; }
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.shots figure { margin: 0; }
.shots img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; display: block; }
.shots figcaption { color: var(--muted); font-size: 14px; margin-top: 6px; }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 16px; padding-bottom: 32px; color: var(--muted); font-size: 14px; }
footer nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }