.app-update-banner{z-index:200;bottom:calc(100px + env(safe-area-inset-bottom));color:#fff;background:#5548c8;border-radius:14px;align-items:center;gap:12px;max-width:448px;margin-inline:auto;padding:14px 16px;font-size:13px;line-height:1.7;display:flex;position:fixed;inset-inline:16px;box-shadow:0 4px 20px #0002}.app-update-banner span{flex:1}.app-update-banner button{color:#332b7a;font:inherit;cursor:pointer;background:#fff;border:1px solid #fff6;border-radius:8px;flex-shrink:0;padding:8px 12px;font-weight:600}