Add Road Trip Planner template with interactive map and trip management features

- Implemented a new HTML template for the Road Trip Planner.
- Integrated Leaflet.js for interactive mapping and routing.
- Added functionality for searching and selecting parks to include in a trip.
- Enabled drag-and-drop reordering of selected parks.
- Included trip optimization and route calculation features.
- Created a summary display for trip statistics.
- Added functionality to save trips and manage saved trips.
- Enhanced UI with responsive design and dark mode support.

core/forms/__init__.py

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+from .search import LocationSearchForm

core/forms/search.py

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+from django import forms
+from django.utils.translation import gettext_lazy as _
+
+class LocationSearchForm(forms.Form):
+    """
+    A comprehensive search form that includes text search, location-based
+    search, and content type filtering for a unified search experience.
+    """
+    
+    # Text search query
+    q = forms.CharField(
+        required=False,
+        label=_("Search Query"),
+        widget=forms.TextInput(attrs={
+            'placeholder': _("Search parks, rides, companies..."),
+            'class': 'w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+    
+    # Location-based search
+    location = forms.CharField(
+        required=False,
+        label=_("Near Location"),
+        widget=forms.TextInput(attrs={
+            'placeholder': _("City, address, or coordinates..."),
+            'id': 'location-input',
+            'class': 'w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+    
+    # Hidden fields for coordinates
+    lat = forms.FloatField(required=False, widget=forms.HiddenInput(attrs={'id': 'lat-input'}))
+    lng = forms.FloatField(required=False, widget=forms.HiddenInput(attrs={'id': 'lng-input'}))
+    
+    # Search radius
+    radius_km = forms.ChoiceField(
+        required=False,
+        label=_("Search Radius"),
+        choices=[
+            ('', _("Any distance")),
+            ('5', _("5 km")),
+            ('10', _("10 km")),
+            ('25', _("25 km")),
+            ('50', _("50 km")),
+            ('100', _("100 km")),
+            ('200', _("200 km")),
+        ],
+        widget=forms.Select(attrs={
+            'class': 'w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+    
+    # Content type filters
+    search_parks = forms.BooleanField(
+        required=False,
+        initial=True,
+        label=_("Search Parks"),
+        widget=forms.CheckboxInput(attrs={'class': 'rounded border-gray-300 text-blue-600 focus:ring-blue-500 dark:border-gray-600 dark:bg-gray-700'})
+    )
+    search_rides = forms.BooleanField(
+        required=False,
+        label=_("Search Rides"),
+        widget=forms.CheckboxInput(attrs={'class': 'rounded border-gray-300 text-blue-600 focus:ring-blue-500 dark:border-gray-600 dark:bg-gray-700'})
+    )
+    search_companies = forms.BooleanField(
+        required=False,
+        label=_("Search Companies"),
+        widget=forms.CheckboxInput(attrs={'class': 'rounded border-gray-300 text-blue-600 focus:ring-blue-500 dark:border-gray-600 dark:bg-gray-700'})
+    )
+    
+    # Geographic filters
+    country = forms.CharField(
+        required=False,
+        widget=forms.TextInput(attrs={
+            'placeholder': _("Country"),
+            'class': 'w-full px-3 py-2 text-sm border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+    state = forms.CharField(
+        required=False,
+        widget=forms.TextInput(attrs={
+            'placeholder': _("State/Region"),
+            'class': 'w-full px-3 py-2 text-sm border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+    city = forms.CharField(
+        required=False,
+        widget=forms.TextInput(attrs={
+            'placeholder': _("City"),
+            'class': 'w-full px-3 py-2 text-sm border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-white'
+        })
+    )
+
+    def clean(self):
+        cleaned_data = super().clean()
+        
+        # If lat/lng are provided, ensure location field is populated for display
+        lat = cleaned_data.get('lat')
+        lng = cleaned_data.get('lng')
+        location = cleaned_data.get('location')
+        
+        if lat and lng and not location:
+            cleaned_data['location'] = f"{lat}, {lng}"
+            
+        return cleaned_data