#pwaInstallBtn{position:fixed;right:16px;bottom:16px;z-index:9999;border:0;border-radius:999px;padding:12px 17px;background:#201a3b;color:#fff;font-weight:800;box-shadow:0 10px 26px rgba(32,26,59,.25)}
#pwaInstallBtn[hidden]{display:none!important}
.pwa-mode #pwaInstallBtn{display:none!important}
@media(max-width:720px){
  body{padding-bottom:72px}
  #app>header{position:sticky;top:0;z-index:100}
  #app>nav{overflow-x:auto;white-space:nowrap;display:flex;gap:6px;padding:8px}
  #app>nav button{flex:0 0 auto}
  .section-title{align-items:flex-start}
}