{
  base: {
    text: {
      size: {
        xs: {
          $value: {value: 0.75, unit: 'rem'},
          $type: 'dimension',
          $description: '12px - Smallest text size for captions and compact UI elements.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
        sm: {
          $value: {value: 0.875, unit: 'rem'},
          $type: 'dimension',
          $description: '14px - Default body text size for UI.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
        md: {
          $value: {value: 1, unit: 'rem'},
          $type: 'dimension',
          $description: '16px - Large body text and small titles.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
        lg: {
          $value: {value: 1.25, unit: 'rem'},
          $type: 'dimension',
          $description: '20px - Medium titles and subtitles.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
        xl: {
          $value: {value: 2, unit: 'rem'},
          $type: 'dimension',
          $description: '32px - Large titles and page headings.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
        '2xl': {
          $value: {value: 2.5, unit: 'rem'},
          $type: 'dimension',
          $description: '40px - Display text for hero sections.',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontSize'],
            },
          },
        },
      },
      weight: {
        light: {
          $type: 'fontWeight',
          $value: 300,
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontWeight'],
            },
          },
        },
        normal: {
          $value: 400,
          $type: 'fontWeight',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontWeight'],
            },
          },
        },
        medium: {
          $value: 500,
          $type: 'fontWeight',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontWeight'],
            },
          },
        },
        semibold: {
          $value: 600,
          $type: 'fontWeight',
          $extensions: {
            'org.primer.figma': {
              collection: 'base/typography',
              scopes: ['fontWeight'],
            },
          },
        },
      },
      lineHeight: {
        tight: {
          $value: 1.25,
          $type: 'number',
          $description: 'Use for single-line text in compact UI elements like labels, badges, buttons, or captions where vertical space is limited. Not recommended for multi-line body text due to reduced readability.',
          $extensions: {
            'org.primer.figma': {
              collection: 'typography',
              scopes: ['lineHeight'],
            },
          },
        },
        snug: {
          $value: 1.375,
          $type: 'number',
          $description: 'Use for display text, large headings, or short multi-line text where moderate density is needed. Good for hero sections and marketing headlines.',
          $extensions: {
            'org.primer.figma': {
              collection: 'typography',
              scopes: ['lineHeight'],
            },
          },
        },
        normal: {
          $value: 1.5,
          $type: 'number',
          $description: 'Default choice for body text and general UI content. Provides optimal readability for paragraphs, descriptions, and most multi-line text. Use when unsure which line-height to pick.',
          $extensions: {
            'org.primer.figma': {
              collection: 'typography',
              scopes: ['lineHeight'],
            },
          },
        },
        relaxed: {
          $value: 1.625,
          $type: 'number',
          $description: 'Use for longer-form content, smaller text sizes (12-13px), or when increased readability is desired. Good for text that needs extra breathing room.',
          $extensions: {
            'org.primer.figma': {
              collection: 'typography',
              scopes: ['lineHeight'],
            },
          },
        },
        loose: {
          $value: 1.75,
          $type: 'number',
          $description: 'Use sparingly for very small text or when maximum readability is critical. Best for footnotes, legal text, or content requiring high accessibility.',
          $extensions: {
            'org.primer.figma': {
              collection: 'typography',
              scopes: ['lineHeight'],
            },
          },
        },
      },
    },
  },
}