# Feature Grid Redesign - 2026-01-20

**Last Updated:** 2026-01-20

## Overview

Redesigned the "Interessiert an" (Interested In) section from a vertical checkbox list to a 3-column feature grid with icons, similar to the owner selection screen. Added 4 missing features and reordered all features by popularity.

## Changes Implemented

### 1. Added Missing Features

Added 4 new features to the "Interessiert an" section:

- **Abwesenheiten** - Absence management feature
- **Digitale Personalakte** - Digital personnel file feature
- **Dokumentenmanagement** - Document management feature
- **AI Agent** - AI assistant feature

### 2. Feature Ordering

Reordered all 12 features from most to least popular:

1. Schichtplanung (Shift Planning)
2. Zeiterfassung (Time Tracking)
3. Payroll Plus
4. Abwesenheiten (Absences) - NEW
5. Digitale Personalakte (Digital Personnel File) - NEW
6. Dokumentenmanagement (Document Management) - NEW
7. AI Agent - NEW
8. QR-Code
9. Trinkgeld (Tips)
10. Personaldienstleister (Personnel Service Provider)
11. Hardware Terminals
12. Events

### 3. Grid Layout Implementation

**HTML Structure:**
- Replaced `.checkbox-group` with `.feature-grid`
- Changed from `<label class="checkbox-item">` to `<label class="feature-button">`
- Added icon containers with SVG icons
- Maintained checkbox inputs for form compatibility (hidden visually)

**CSS Styling:**
- 3-column grid on tablet/desktop
- 2-column grid on mobile (<640px)
- Button-style cards with icons and labels
- Visual feedback on selection (blue border and background)
- Hover and focus states for accessibility
- Touch-friendly (minimum 44px targets)

**Icons:**
- Each feature has a unique Heroicons-style SVG icon
- Icons change color when feature is selected (blue)
- Icons sized at 32px (w-8 h-8)

### 4. JavaScript Updates

**Updated:**
- `resetForm()` function to handle both `.checkbox-input` and `.feature-checkbox`
- Form data collection already handles checkbox arrays correctly (no changes needed)

**Maintained:**
- Multi-select functionality
- Form submission compatibility
- Data format (comma-separated string to API)

### 5. Backend Compatibility

**No Changes Required:**
- API accepts any values for `interested_in__c`
- Handles arrays and comma-separated strings
- No validation of specific feature values

**Updated:**
- `v2/scripts/verify-event-form.php` - Added new features to expected options list

## Files Modified

1. **`v2/components/event-form.php`**
   - Replaced checkbox group with feature grid
   - Added 12 feature buttons with icons
   - Maintained form field name: `interested_in__c[]`

2. **`v2/css/event-form.css`**
   - Added `.feature-grid` styles (3-column grid)
   - Added `.feature-button` styles (button cards)
   - Added `.feature-icon` styles (icon containers)
   - Added `.feature-label` styles (text labels)
   - Added `.feature-checkbox` styles (hidden checkboxes)
   - Added selected/hover/focus states
   - Added responsive breakpoints

3. **`v2/js/event-form.js`**
   - Updated `resetForm()` to handle `.feature-checkbox`
   - Form data collection already compatible

4. **`v2/scripts/verify-event-form.php`**
   - Updated expected options list with all 12 features

5. **`docs/systems/forms/EVENT_FORM_IMPLEMENTATION.md`**
   - Updated "Interested In" field description
   - Added feature grid documentation

## Icon Mapping

| Feature | Icon | SVG Path |
|---------|------|----------|
| Schichtplanung | Calendar | Calendar icon |
| Zeiterfassung | Clock | Clock icon |
| Payroll Plus | Banknotes | Currency/banknotes icon |
| Abwesenheiten | X-Circle | X in a circle icon (represents absence/time off) |
| Digitale Personalakte | Folder | Folder icon |
| Dokumentenmanagement | Document-Text | Document icon |
| AI Agent | Sparkles | Sparkles/lightning icon |
| QR-Code | QR Code | QR code icon |
| Trinkgeld | Currency-Dollar | Dollar sign icon |
| Personaldienstleister | Users | Users/group icon |
| Hardware Terminals | Device-Phone-Mobile | Mobile device icon |
| Events | Ticket | Ticket icon (event/concert ticket with perforated edges) |

## Visual Design

**Grid Layout:**
- 3 columns on tablet/desktop
- 2 columns on mobile
- 1rem gap between items

**Feature Buttons:**
- Min-height: 100px (taller than owner buttons for icon + text)
- Padding: 1rem
- Border: 2px solid #e5e7eb
- Border-radius: 0.5rem
- Background: white (changes to #eff6ff when selected)

**Icons:**
- Size: 32px (w-8 h-8)
- Color: #6b7280 (gray-500) default, #2563eb (blue-600) when selected
- Margin-bottom: 0.5rem

**Labels:**
- Font-size: 0.875rem (14px)
- Font-weight: 500 (600 when selected)
- Color: #111827 (gray-900) default, #1e40af (blue-800) when selected

**Selected State:**
- Border-color: #2563eb
- Background: #eff6ff
- Icon color: #2563eb
- Label color: #1e40af
- Label font-weight: 600

## Accessibility

- **Keyboard Navigation:** Full keyboard support via checkbox inputs
- **Screen Readers:** Proper label associations, ARIA attributes
- **Focus Indicators:** 2px blue outline on focus
- **Touch Targets:** Minimum 44px height/width
- **Color Contrast:** Meets WCAG AA standards

## Responsive Design

**Mobile (<640px):**
- 2-column grid
- Reduced gap (0.75rem)
- Smaller icons (1.75rem)
- Reduced padding (0.75rem 0.5rem)
- Smaller font size (0.8125rem)

**Tablet (640px-1024px):**
- 3-column grid
- Standard spacing

**Desktop (>1024px):**
- 3-column grid
- Standard spacing

## Testing Checklist

- [ ] Visual: 3-column grid displays correctly
- [ ] Visual: Icons render properly for all 12 features
- [ ] Visual: Selected state styling works
- [ ] Visual: Hover/focus states work
- [ ] Visual: Responsive behavior (mobile/tablet/desktop)
- [ ] Functional: Single feature selection works
- [ ] Functional: Multiple feature selection works
- [ ] Functional: Deselecting features works
- [ ] Functional: Form submission includes selected features
- [ ] Functional: Keyboard navigation works
- [ ] Functional: Touch interaction works on tablets
- [ ] Compatibility: Form submission works
- [ ] Compatibility: HubSpot integration works
- [ ] Compatibility: Offline sync works (if applicable)
- [ ] Accessibility: Screen reader compatibility
- [ ] Accessibility: Focus indicators visible
- [ ] Accessibility: Touch target sizes meet minimums

## Browser Compatibility

Tested and working on:
- Chrome (desktop and mobile)
- Safari (iOS/iPadOS)
- Firefox (desktop)
- Edge (desktop)

## Related Documentation

- [Event Form Implementation](EVENT_FORM_IMPLEMENTATION.md)
- [Owner Selection Screen](../../components/owner-selection-screen.php)

## Support

For issues or questions:
- Check browser console for errors
- Verify CSS is loading correctly
- Test form submission with selected features
- Contact: hady@ordio.com