fun main() = singleWindowApplication(
    undecorated = true
) {
    MaterialTheme(
        colors = if (isSystemInDarkTheme()) darkColors() else lightColors()
    ) {
        Column(Modifier.fillMaxSize()) {
            WindowDraggableArea(Modifier.fillMaxWidth().background(Color.LightGray)) {
                Box(Modifier.fillMaxWidth().padding(4.dp), contentAlignment = Alignment.Center) {
                    Text("Draggable Window")
                }
            }
            Surface(Modifier.fillMaxWidth().weight(1f)) {}
        }
    }
}