#pwa-install-banner{position:fixed;left:0;right:0;bottom:10px;margin:auto;max-width:740px;
background:#101114;color:#fff;border-radius:14px;padding:12px;box-shadow:0 8px 28px rgba(0,0,0,.45);
display:none;align-items:center;gap:12px;font-family:system-ui,-apple-system,Segoe UI,Roboto;z-index:99999}
#pwa-install-banner .brand{font-weight:800}
#pwa-install-banner button{border:0;border-radius:12px;padding:10px 16px;font-weight:800;cursor:pointer}
#pwa-install-cta{background:#1e66ff;color:#fff}
#pwa-install-close{background:#23252b;color:#fff;padding:8px 12px}
@media(max-width:480px){#pwa-install-banner{margin:0 10px}}