:root{color:#0f172a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f3f5f8;font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}body{min-width:320px;margin:0}*,:before,:after{box-sizing:border-box}.app{place-items:center;min-height:100vh;padding:2rem;display:grid}.panel{background:#fff;border:1px solid #d6dce5;border-radius:12px;width:min(40rem,100%);padding:2rem;box-shadow:0 10px 30px #0f172a0f}.panel h1{margin:0 0 .75rem;font-size:clamp(1.5rem,3.5vw,2rem);line-height:1.2}.panel p{color:#475569;margin:0}