:root {
  --bg: #E6E8E3; --surface: #F2F3EF; --ink: #1F2622; --dim: #616A63; --line: #C6CCC4;
  --font: "Bricolage Grotesque", "Segoe UI", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #151917; --surface: #1C211E; --ink: #E3E7E2; --dim: #8F9891; --line: #2D3430; }
}
:root[data-theme="dark"] { --bg: #151917; --surface: #1C211E; --ink: #E3E7E2; --dim: #8F9891; --line: #2D3430; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.55; }
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
.back { display: inline-block; margin-bottom: 18px; color: var(--ink); font-weight: 700; text-decoration: none; }
.back:hover { text-decoration: underline; }
h1 { font-size: 30px; line-height: 1.15; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
p, li { font-size: 16px; }
ul { padding-left: 22px; }
a { color: var(--ink); }
.updated { color: var(--dim); font-size: 14px; margin: 0 0 20px; }
.card { background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px; padding: 14px 18px; }
footer { margin-top: 36px; padding-top: 14px; border-top: 1.5px solid var(--line); font-size: 14px; color: var(--dim); }
footer a { color: inherit; }