html, body {
    margin: 0;
    padding: 0;
    height: 100dvh;
    background-color: #005F88; /* match your app background */
}

/* Fix for Flutter main canvas */
flt-glass-pane, #flutter_canvas {
    position: fixed;
    inset: 0;
    width: 100vw !important;
    height: 100dvh !important;
}

@supports (padding: max(0px)) {
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }
}