:root {
  --bg: #fbfaff; --fg: #1b1a22; --muted: #5d5a6b; --line: #e4e0f0; --accent: #7a45d6; --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e0d13; --fg: #ecebf2; --muted: #a7a3b8; --line: #2a2735; --accent: #b07cff; --card: #16151d; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
header.site { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.brand { font-weight: 700; letter-spacing: .02em; color: var(--fg); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.brand::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; }
nav a:first-child { margin-left: 0; }
nav a[aria-current="page"], nav a:hover { color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
a { color: var(--accent); }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }