Function calculateFontSize

calculateFontSize(
    baseSize: number,
    screenSize: ResponsiveScreenSize,
    minSize?: number,
    maxSize?: number,
): number
Calculate scaled font size with readability constraints

Formula: baseSize * scale Clamped: max(minSize, min(maxSize, calculated))

Ensures Korean and English text remain readable at all sizes
Parameters
- baseSize: number
  Base font size in pixels (typically 16px)
- screenSize: ResponsiveScreenSize
  Current screen size category
- minSize: number = FONT_SIZE_CONSTRAINTS.MIN_BODY_SIZE
  Minimum allowed size (default: 14px)
- maxSize: number = FONT_SIZE_CONSTRAINTS.MAX_SIZE
  Maximum allowed size (default: 24px)
Returns number
Calculated font size in pixels
Example
```
calculateFontSize(16, 'mobile');  // 14 (clamped from 12.8)
calculateFontSize(16, 'desktop'); // 16
calculateFontSize(16, 'xlarge');  // 22.4
calculateFontSize(20, 'xlarge', 14, 24); // 24 (clamped from 28)
```
Korean
글꼴크기계산
- Defined in systems/ResponsiveScaling.ts:180