- Add max-h-[90vh] overflow-y-auto to ShareModal, CloudCredentialModal,
FolderDeleteModal, and DocumentView cloud-delete modal panels
- Add responsive px-4 sm:px-6 to DocumentPreviewModal header for narrow viewports
- Add data-test attributes to all modal panels for testability
- Confirm @tailwindcss/forms active in tailwind.config.js (no drift found)
- Audit forms: focus:outline-none focus:ring-2 pattern is consistent throughout
- Add 4 test files covering mobile-safe modal classes and form baseline:
ShareModal.mobile.test.js, CloudCredentialModal.mobile.test.js,
FolderDeleteModal.mobile.test.js, DocumentPreviewModal.mobile.test.js
VISUAL-02, RESP-04
