#pwaBanner{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;background:#fff;color:#0b0d10;padding:8px 12px;border-radius:12px;z-index:9999;font:14px/1.2 Inter, system-ui}
#pwaBanner button{margin-left:10px;border:1px solid #e5e7eb;background:#0b0d10;color:#fff;border-radius:10px;padding:4px 8px;cursor:pointer}
#offlineBar{position:fixed;left:0;right:0;bottom:0;background:#f87171;color:#0b0d10;padding:6px 10px;text-align:center;font:13px/1 Inter, system-ui;display:none;z-index:9998}
#offlineBar.show{display:block}
@media (prefers-color-scheme: dark){#pwaBanner{background:#0b0d10;color:#fff}#pwaBanner button{background:#fff;color:#0b0d10;border-color:#e5e7eb}#offlineBar{background:#111827;color:#fff}}