:root{--bg: #f8fafc;--text: #111827}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.container{max-width:800px;margin:4rem auto;padding:1rem;background:#fff;border-radius:8px;box-shadow:0 2px 6px #0000000a}