:root{color-scheme:light;--color-bg:#fafaf9;--color-fg:#1c1917;--color-accent:#0d9488}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-fg)}main{max-width:64rem;margin:0 auto;padding:1.5rem 1rem}