/* Boot splash overlay used inside the Capacitor native WebView (iOS) to bridge the gap between the launch storyboard dismissing and React's first paint, and to cover the WKWebView reparse on resume from background. On the web the overlay is gated off via `html.is-native` (set by boot-splash.js when the Capacitor bridge is detected) so it never paints in a regular browser. Lives as an external sheet (not an inline