:root{color-scheme:light dark}body{margin:0;min-height:100vh;display:grid;place-items:center;font:16px/1.5 system-ui,sans-serif;background:radial-gradient(120% 120% at 50% 0%,#1b2735,#090a0f 70%);color:#e8eef6}.card{text-align:center;padding:3rem 3.5rem;border-radius:18px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 60px #0006}h1{margin:0 0 .25rem;font-size:2.4rem;letter-spacing:-.02em}p{margin:.25rem 0;color:#9fb0c3}.badge{display:inline-block;margin-top:1.25rem;padding:.35rem .9rem;border-radius:999px;font-weight:600;letter-spacing:.04em;background:#61dafb;color:#07120c}code{color:#7dd3fc}