html,body{margin:0;padding:0;font-family:Arial,sans-serif;min-height:100%}body{background:#f7f7f8;color:#1f2937}.app-bootstrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:#f7f7f8}.app-bootstrap__card{width:100%;max-width:360px;background:#fff;border-radius:16px;box-shadow:0 10px 30px #0f172a14;padding:1.5rem;text-align:center}.app-bootstrap__card p{margin:0;color:#374151;font-size:1rem;line-height:1.5}