Loading Screen Options
data class LoadingScreenOptions(val isVisible: Boolean = false, val message: String = "Loading...", val progress: Int? = null, val showLogo: Boolean = true, val logoUrl: String = "", val backgroundColor: Int = 0xFFFFFFFF.toInt(), val spinnerColor: Int = 0xFF2196F3.toInt(), val textColor: Int = 0xFF000000.toInt())
LoadingScreen - Full-screen loading state with progress indicator.
Displays loading spinner with optional message and progress percentage.