:root { color-scheme: light; --ink: #18181b; --muted: #52525b; --line: #e4e4e7; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--ink); font: 16px/1.65 Inter, "IBM Plex Sans Arabic", system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 56px 20px 80px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 40px; font-size: 14px; }
header a { color: var(--muted); text-decoration: none; }
header a:hover { color: var(--ink); }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink) !important; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 32px 0 8px; }
p, li { color: var(--muted); }
.updated { font-size: 14px; margin-bottom: 32px; }
section + section { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 48px; }
[dir="rtl"] { font-family: "IBM Plex Sans Arabic", system-ui, sans-serif; }
code { font-size: 14px; background: #f4f4f5; padding: 1px 6px; border-radius: 6px; }