:root{--color-bg:#ffffff;--color-fg:#111111;--color-muted:#6b7280;--color-accent:#2563eb;--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--space-1:0.5rem;--space-2:1rem;--space-3:1.5rem;--max-width:42rem}@media (prefers-color-scheme:dark){:root{--color-bg:#0a0a0a;--color-fg:#ededed;--color-muted:#9ca3af;--color-accent:#60a5fa}}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}