:root{--bg:#0f1724;--card:#0b1220;--muted:#9aa4b2;--accent:#7dd3fc}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;font-family:Inter,Segoe UI,Roboto,system-ui,Arial;background:linear-gradient(180deg,var(--bg),#071022);color:#e6eef6;display:flex;align-items:center;justify-content:center}.container{max-width:720px;padding:48px;border-radius:12px;background:linear-gradient(180deg,#ffffff05,#ffffff03);box-shadow:0 6px 30px #02061799;text-align:center}h1{margin:0 0 12px;font-weight:600}p{color:var(--muted);line-height:1.6}.button{display:inline-block;margin-top:18px;padding:10px 16px;border-radius:8px;background:linear-gradient(90deg,var(--accent),#60a5fa);color:#04202a;text-decoration:none;font-weight:600}