Update default error pages (#90469)
Redesign the https://github.com/vercel/next.js/pull/87988 error pages to
be more aligned with Next.js aesthetic, along with copy to be sharper.
| Client | Server |
|--------|--------|
| <img width="4992" height="2830" alt="CleanShot 2026-03-03 at 17 26
07@2x"
src="https://github.com/user-attachments/assets/f42bee3e-2ce8-44dc-9e26-79b81cf965d8"
/> | <img width="4992" height="2830" alt="CleanShot 2026-03-03 at 17 23
38@2x"
src="https://github.com/user-attachments/assets/19a596c6-6da7-4a42-9b53-16e3c2e6f867"
/> |
| <img width="4992" height="2830" alt="CleanShot 2026-03-03 at 17 25
22@2x"
src="https://github.com/user-attachments/assets/a3075d79-c76a-4fbf-af6e-d4a44f1434eb"
/> | <img width="4992" height="2830" alt="CleanShot 2026-03-03 at 17 24
17@2x"
src="https://github.com/user-attachments/assets/5811cc98-f8e4-4451-bf9c-501548292245"
/> |
---------
Co-authored-by: Jimmy Lai <laijimmy0@gmail.com>
Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
