diff --git a/continue.md b/continue.md
index d17a42491..e100b517e 100644
--- a/continue.md
+++ b/continue.md
@@ -26,10 +26,12 @@ Actualizacion Eidos ecosystem 2026-05-16:
   no como `TypeError` de runtime.
 - IDs de theme y nombres de escalas de color quedan validados como segmentos
   CSS kebab-case antes de generar selectores o custom properties desde config.
+- Claves authorables de tipografia (`families`, `weights`, `styles`) deben
+  generar sufijos CSS validos; `typography.sizes` permanece canonico.
 - Validado:
-  - `npx vitest run src/uix/eidos/active-eidos-config.test.ts` -> 28 tests OK.
+  - `npx vitest run src/uix/eidos/active-eidos-config.test.ts` -> 29 tests OK.
   - `npx vitest run src/uix/eidos/active-eidos.test.ts` -> 19 tests OK.
-  - `npx vitest run src/uix/eidos` -> 7 archivos, 68 tests OK.
+  - `npx vitest run src/uix/eidos` -> 7 archivos, 69 tests OK.
   - `npm run check` -> 0 errores, 0 warnings.
 
 Actualizacion permutation runner 2026-05-16:
diff --git a/src/uix/eidos/active-eidos-config.test.ts b/src/uix/eidos/active-eidos-config.test.ts
index b76424532..fb5eb592a 100644
--- a/src/uix/eidos/active-eidos-config.test.ts
+++ b/src/uix/eidos/active-eidos-config.test.ts
@@ -376,6 +376,38 @@ describe('ActiveEidos config', () => {
 		).toBe(true)
 	})
 
+	it('validates typography keys that become CSS custom properties', () => {
+		const cfg = structuredClone(THEME_BASE_OPTIONS)
+		const typography = cfg.primitives.typography!
+
+		;(typography.families as Record<string, unknown>)['Bad Family'] = { family: 'Bad' }
+		;(typography.sizes as Record<string, unknown>)['mega'] = {
+			size: '96px',
+			lineHeight: '1',
+			letterSpacing: '0'
+		}
+		;(typography.weights as Record<string, unknown>)['semi bold'] = 600
+		;(typography.styles as Record<string, unknown>)['Hero Display'] = {
+			size: 'xxl'
+		}
+
+		const report = createEidos(cfg).validate()
+
+		expect(report.ok).toBe(false)
+		expect(
+			report.issues.some((issue) => issue.path === 'primitives.typography.families.Bad Family')
+		).toBe(true)
+		expect(report.issues.some((issue) => issue.path === 'primitives.typography.sizes.mega')).toBe(
+			true
+		)
+		expect(
+			report.issues.some((issue) => issue.path === 'primitives.typography.weights.semi bold')
+		).toBe(true)
+		expect(
+			report.issues.some((issue) => issue.path === 'primitives.typography.styles.Hero Display')
+		).toBe(true)
+	})
+
 	it('validates size primitive references', () => {
 		const cfg = structuredClone(THEME_BASE_OPTIONS)
 		const size = cfg.primitives.size!
diff --git a/src/uix/eidos/lib/config.ts b/src/uix/eidos/lib/config.ts
index 264d3b597..1a7067f47 100644
--- a/src/uix/eidos/lib/config.ts
+++ b/src/uix/eidos/lib/config.ts
@@ -386,7 +386,23 @@ function validateTypography(options: EidosConfig, issues: EidosValidationIssue[]
 		validateTextMetric(`primitives.typography.sizes.${size}`, metric, issues)
 	}
 
+	for (const name of Object.keys(typography.sizes)) {
+		validateCssTokenSuffix(`primitives.typography.sizes.${name}`, name, 'typography size', issues)
+		if (!TEXT_SIZE_SET.has(name)) {
+			issues.push({
+				path: `primitives.typography.sizes.${name}`,
+				message: 'unknown typography size key'
+			})
+		}
+	}
+
 	for (const [name, family] of Object.entries(typography.families)) {
+		validateCssTokenSuffix(
+			`primitives.typography.families.${name}`,
+			name,
+			'typography family',
+			issues
+		)
 		if (family.family.trim() === '') {
 			issues.push({
 				path: `primitives.typography.families.${name}.family`,
@@ -395,8 +411,18 @@ function validateTypography(options: EidosConfig, issues: EidosValidationIssue[]
 		}
 	}
 
+	for (const name of Object.keys(typography.weights)) {
+		validateCssTokenSuffix(
+			`primitives.typography.weights.${name}`,
+			name,
+			'typography weight',
+			issues
+		)
+	}
+
 	for (const [name, style] of Object.entries(typography.styles)) {
 		const path = `primitives.typography.styles.${name}`
+		validateCssTokenSuffix(path, name, 'typography style', issues)
 
 		if (style.family !== undefined && !hasOwn(typography.families, style.family)) {
 			issues.push({
@@ -769,6 +795,19 @@ function validateCssTokenKey(
 	})
 }
 
+function validateCssTokenSuffix(
+	path: string,
+	value: string,
+	label: string,
+	issues: EidosValidationIssue[]
+): void {
+	if (isCssTokenSuffix(value)) return
+	issues.push({
+		path,
+		message: `${label} must be a kebab-case CSS token suffix`
+	})
+}
+
 function resolveRoleScaleName(
 	roleDef: string | ColorRoleDefinition | undefined
 ): string | undefined {
@@ -779,3 +818,7 @@ function resolveRoleScaleName(
 function isCssTokenSegment(value: string): boolean {
 	return /^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$/.test(value)
 }
+
+function isCssTokenSuffix(value: string): boolean {
+	return /^[a-z0-9]+(?:-[a-z0-9]+)*$/.test(value)
+}