#update-banner{position:fixed;left:12px;right:12px;bottom:calc(92px + env(safe-area-inset-bottom));z-index:110;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:var(--ink);color:var(--bg);box-shadow:0 8px 30px #0003;font-size:14px}#update-banner button{flex:none;min-height:40px;padding:8px 12px}@media(max-width:390px){#update-banner{align-items:flex-start;flex-direction:column}#update-banner button{width:100%}}