:root { --bg: #fafaf8; --fg: #1d1d1b; --muted: #6b6b66; --line: #e4e3dd; --accent: #2f6f5e; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #ecebe6; --muted: #9c9b94; --line: #2c2c29; --accent: #7cc4ad; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 64px 20px 80px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 2.2em 0 0.4em; }
p, li { color: var(--fg); }
.lead { color: var(--muted); margin: 0 0 40px; }
a { color: var(--accent); }
ul.tools { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
ul.tools li { padding: 16px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; }
.tag { color: var(--muted); font-size: 0.9rem; white-space: nowrap; }
footer { margin-top: 56px; color: var(--muted); font-size: 0.9rem; }