.install-banner{position:fixed;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:999;display:flex;gap:14px;align-items:center;flex-wrap:wrap;width:min(560px,calc(100% - 24px));padding:14px 16px;border-radius:16px;border:1px solid #a77cf1;background:#1c2040f5;color:#faf7ff;box-shadow:0 14px 40px -10px #000c,0 0 0 1px #a77cf155;backdrop-filter:blur(8px)}
.install-banner>div:first-child{flex:1 1 240px;display:flex;flex-direction:column;gap:3px}.install-banner span{font-size:.92em;color:#d8d2ee;line-height:1.35}
.install-actions{display:flex;gap:10px}.install-actions button{min-height:42px}