*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0f0f0f;color:#e0e0e0;min-height:100vh}#root{max-width:640px;margin:0 auto;padding:2rem 1rem}