/* Farben wie ios/hearts4/Theme.swift */
:root { --brand:#2F6694; --canvas:#FAF8F4; --surface:#FFFFFF; --ink:#1B1F23; --muted:#5B636B; }
@media (prefers-color-scheme: dark) { :root { --brand:#6FA8E6; --canvas:#121416; --surface:#1D2023; --ink:#F2F3F5; --muted:#A3AAB2; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--canvas); color:var(--ink); font:17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width:720px; margin:0 auto; padding:32px 16px 64px; }
header { display:flex; align-items:center; gap:12px; margin-bottom:24px; }
header img { width:48px; height:48px; border-radius:12px; }
header a { color:var(--ink); text-decoration:none; font-weight:700; font-size:20px; }
h1 { font-size:28px; line-height:1.25; margin:0 0 8px; }
h2 { font-size:20px; margin:32px 0 8px; }
section, .card { background:var(--surface); border-radius:18px; padding:4px 20px 16px; margin:16px 0; }
a { color:var(--brand); }
.muted { color:var(--muted); font-size:15px; }
nav { margin-top:40px; font-size:15px; display:flex; gap:16px; flex-wrap:wrap; }