Visual controls generate perfect border radius scales automatically.

Structure Overview
Border Radius follows the same structure as Font Sizes:
- Wizard Mode – Auto-calculated with aspect ratios, min/max values, steps
- Manual Mode – Per-step control with comma-separated names
- Fluid vs Fixed – Viewport scaling or single value
- Pixels vs Rems – Figma-compatible input, accessible output
- Extend Defaults – Add to or replace Tailwind defaults
Key Differences from Font Sizes
1. Utility Values
Click “Add Utility Radius” → Adds:
none(0) – Sharp cornersfull(9999px) – Perfect circles/pill shape
2. Builder Integration
Note: Most visual builders don’t have border radius systems to import (unlike font sizes).
You cannot fetch border radius from Gutenberg/Bricks/Oxygen. Define your radius scale manually.
3. Recommended Aspect Ratio
For border radius, 1.5 (Perfect Fifth) is recommended:
- 1.5 (Perfect Fifth) – Balanced, recommended
- 1.333 (Perfect Fourth) – Moderate jumps
- 1.618 (Golden Ratio) – Harmonious scaling
- 2.0 (Double) – Dramatic jumps