/// Spacing tokens from Pencil design abstract final class AppSpacing { static const double xs = 4; static const double sm = 6; static const double md = 8; static const double lg = 12; static const double xl = 16; static const double xxl = 20; static const double xxxl = 24; // Horizontal padding static const double screenPadding = 20; static const double screenPaddingLarge = 24; }