*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);color:#eee}.card{background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:2rem;text-align:center;max-width:420px}.card h1{margin:0 0 .5rem;font-size:1.5rem}.card p{margin:0;opacity:.85}.badge{display:inline-block;margin-top:1rem;padding:.35rem .75rem;background:#0ea5e9;color:#fff;border-radius:9999px;font-size:.85rem}