body{margin:0;font-family:Segoe UI,Roboto,sans-serif;background-color:#f4f7f6;color:#333;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.ton-header-classe{padding-top:env(safe-area-inset-top)}.btn-secondary{width:100%;padding:10px;background:#fff;color:#007bff;border:1px solid #007bff;border-radius:8px;font-weight:700;cursor:pointer}.btn-secondary:hover{background:#f0f7ff}@media (min-width: 768px){.btn-secondary{width:auto}}