Error and status pages: 404, 500, 403, and maintenance screens.
Access denied page with shield illustration, permission explanation, and navigation options.
Styled 404 error page with large typography, search icon illustration, and navigation links.
Internal server error page with warning illustration, error details, retry action, and support link.
429 Too Many Requests page with a live countdown timer, animated progress bar, retry button (enabled when countdown completes), rate-limit detail table, and upgrade CTA.
Scheduled maintenance page with progress indicator, estimated time, status updates, and notification signup.