func DefaultTypeScale() TypeScale {
	return TypeScale{
		// Display: large, impactful text for hero sections.
		DisplayLarge:	TextStyle{FontSize: 57, LineHeight: 64, Bold: false},
		DisplayMedium:	TextStyle{FontSize: 45, LineHeight: 52, Bold: false},
		DisplaySmall:	TextStyle{FontSize: 36, LineHeight: 44, Bold: false},

		// Headline: section headers and content divisions.
		HeadlineLarge:	TextStyle{FontSize: 32, LineHeight: 40, Bold: false},
		HeadlineMedium:	TextStyle{FontSize: 28, LineHeight: 36, Bold: false},
		HeadlineSmall:	TextStyle{FontSize: 24, LineHeight: 32, Bold: false},

		// Title: component titles and card headers.
		TitleLarge:	TextStyle{FontSize: 22, LineHeight: 28, Bold: false},
		TitleMedium:	TextStyle{FontSize: 16, LineHeight: 24, Bold: true},
		TitleSmall:	TextStyle{FontSize: 14, LineHeight: 20, Bold: true},

		// Body: primary reading text and descriptions.
		BodyLarge:	TextStyle{FontSize: 16, LineHeight: 24, Bold: false},
		BodyMedium:	TextStyle{FontSize: 14, LineHeight: 20, Bold: false},
		BodySmall:	TextStyle{FontSize: 12, LineHeight: 16, Bold: false},

		// Label: UI labels, buttons, and small text.
		LabelLarge:	TextStyle{FontSize: 14, LineHeight: 20, Bold: true},
		LabelMedium:	TextStyle{FontSize: 12, LineHeight: 16, Bold: true},
		LabelSmall:	TextStyle{FontSize: 11, LineHeight: 16, Bold: true},
	}
}

type TypeScale struct {
	DisplayLarge	TextStyle
	DisplayMedium	TextStyle
	DisplaySmall	TextStyle

	HeadlineLarge	TextStyle
	HeadlineMedium	TextStyle
	HeadlineSmall	TextStyle

	TitleLarge	TextStyle
	TitleMedium	TextStyle
	TitleSmall	TextStyle

	BodyLarge	TextStyle
	BodyMedium	TextStyle
	BodySmall	TextStyle

	LabelLarge	TextStyle
	LabelMedium	TextStyle
	LabelSmall	TextStyle
}

type TextStyle struct {
	// FontSize is the font size in logical pixels (sp).
	FontSize	float32

	// LineHeight is the line height in logical pixels.
	LineHeight	float32

	// Bold indicates whether the text should be rendered in bold weight.
	// In Material 3, "bold" typically maps to Medium (500) weight.
	Bold	bool
}