body{color:#111;background:#fafafa;margin:0;font-family:system-ui,sans-serif}main{max-width:720px;margin:2rem auto;padding:0 1rem}nav button{margin:0 .5rem .5rem 0}.dialog{background:#fff;border:1px solid #ccc;border-radius:8px;max-width:480px;margin:auto;padding:1rem;position:fixed;inset:20% 10%}