window.SmartGuides = { getOptimalSize(textLength) { if (textLength <= 12) { return [92, 144]; } if (textLength <= 40) { return [52, 88]; } return [18, 42]; }, getOptimalWeight(fontCategory, size) { if (fontCategory === 'Display') { return size >= 72 ? [600, 800] : [500, 700]; } return size >= 48 ? [500, 700] : [400, 600]; }, getOptimalSpacing(size, weight) { if (size >= 96) { return [-6, 0]; } if (weight >= 700) { return [-2, 1]; } return [0, 4]; }, getGuideLabel(size, weight, spacing) { if ( size >= 72 && weight >= 600 && spacing <= 0 ) { return 'Display'; } if ( size <= 24 && spacing >= 0 ) { return 'Readable'; } return 'Balanced'; } };