:root{color-scheme:light dark;--fg: #1a1a1a;--bg: #ffffff;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb}@media(prefers-color-scheme:dark){:root{--fg: #f5f5f5;--bg: #111214;--muted: #9ca3af;--border: #2a2b2f;--accent: #60a5fa}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site{min-height:100vh;display:flex;flex-direction:column}.site-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border)}.site-header .brand{font-weight:700;font-size:1.125rem;color:var(--fg)}.site-header nav{display:flex;gap:1.25rem}.site-main{flex:1;width:100%;max-width:720px;margin:0 auto;padding:2rem 1.5rem 3rem}.site-footer{display:flex;gap:1rem;align-items:center;padding:1.5rem;border-top:1px solid var(--border);color:var(--muted);font-size:.875rem}.page h1{margin-top:0}.page section{margin-top:2rem}.lead{font-size:1.05rem;color:var(--muted)}.fine-print{color:var(--muted);font-size:.875rem}code{background:var(--border);padding:.125rem .375rem;border-radius:4px;font-size:.875em}