Implement design tokens system (colors, typography, spacing)

Overview

Create comprehensive design token system for consistent theming.

Design Tokens to Implement

Colors

• Primary palette (blue: 50-900)
• Secondary palette (purple: 50-900)
• Semantic colors (success, warning, error, info)
• Neutral grays (50-950)
• Alpha variants for overlays

Typography

• Font families (sans, serif, mono)
• Font sizes (xs, sm, base, lg, xl, 2xl...9xl)
• Font weights (light, normal, medium, semibold, bold)
• Line heights (tight, normal, relaxed, loose)
• Letter spacing

Spacing

• Scale: 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48, 56, 64

Shadows

• sm, base, md, lg, xl, 2xl, inner

Border Radius

• none, sm, base, md, lg, xl, 2xl, 3xl, full

Deliverables

• tokens.json with all values
• Tailwind config using tokens
• TypeScript types for all tokens
• CSS custom properties
• Dark mode variants
• Storybook documentation

Testing

• Visual regression tests with Chromatic
• A11y contrast ratio checks

Related Epic

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