Enhance person editing functionality and birthday reminders

- Added a modal for editing person details, including name, role, favorite color, birthday, and description.
- Implemented visibility toggling for PIN input based on role selection, ensuring security for Head of Household.
- Introduced birthday reminder functionality in the calendar, generating events for upcoming birthdays with appropriate notifications.
- Updated calendar and settings UI to accommodate new features, improving user experience and data management.

assets/css/style.css

@@ -341,9 +341,10 @@ body.header-tone-light .app-header-logo-link {
     }
 }
 
+/* No translateY on card hover: transform creates a containing block and traps
+   position:fixed descendants (e.g. Bootstrap modals inside the card). */
 @media (hover: hover) and (pointer: fine) {
     .family-hub-body main .card:hover {
-        transform: translateY(-2px);
         box-shadow: var(--fh-shadow-lift);
     }
 }