.portal-install-card[hidden]{display:none!important}
.portal-install-card{position:fixed;z-index:1100;bottom:calc(14px + env(safe-area-inset-bottom));left:12px;right:12px;max-width:440px;margin:auto;padding:14px 16px;border:1px solid #d4dde8;border-radius:16px;background:#fff;box-shadow:0 8px 30px #26365326;color:#243348;font-size:14px;max-height:55vh;overflow:auto}
.portal-install-card p{margin:6px 0 10px;line-height:1.45}
.portal-install-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.portal-install-actions button{min-height:40px;padding:7px 12px}
.portal-install-actions .portal-install-never{background:transparent;border:0;color:#526579;font-size:12px;padding:7px 2px}
.portal-install-instructions{padding-top:10px;border-top:1px solid #e3e8ef}
@media(min-width:768px){.portal-install-card{left:auto;right:18px;width:400px}}