html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: transparent !important; }
#overlay-stage { position: absolute; left: 50%; top: 50%; transform-origin: center; pointer-events: none; }
.overlay-widget { position: absolute; }
.overlay-widget .widget-shell { width: 100%; height: 100%; }
.standalone #widget-root { width: 100vw; height: 100vh; padding: 1.5%; }
.standalone .widget-shell { width: 100%; height: 100%; }
.overlay-error { position: fixed; inset: 0; display: grid; place-items: center; color: #fca5a5; font: 16px "Segoe UI"; background: rgba(20,0,0,.75); }