🛠️ Task

Update the Button component shape from rounded to rectangular as part of the brand evolution.

✅ Acceptance Criteria

• All primary, secondary, and base button variants use a rectangular shape.
• Corner radius matches updated brand guidelines (e.g., 12px).
• Storybook stories reflect the updated shape.
• Unit tests are updated or added where applicable.
• Changes are responsive and consistent across screen sizes and themes (light/dark).
• Verified in both @metamask/design-system-react and @metamask/design-system-react-native (if applicable).

📌 Notes

• Refer to Figma Brand Evolution for specs.
• Double-check that legacy components or overrides aren't applying the old style.
• Flag any inconsistencies found in other components that may need similar updates.