Add mineral search and permalink pages

- Search bar toggle in header (magnifying glass icon)
- /daily-stone/search/?q= endpoint with results list
- /daily-stone/mineral/<id>/ permalink for each mineral
- Mineral count shown in footer

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

dailystone/views.py

@@ -1,11 +1,14 @@
 from datetime import date
 
-from django.shortcuts import render, redirect
-from django.urls import reverse
+from django.shortcuts import render, redirect, get_object_or_404
 
 from .models import Mineral
 
 
+def _base_context():
+    return {'total_minerals': Mineral.objects.count()}
+
+
 def daily_stone(request):
     today = date.today()
     day = today.timetuple().tm_yday
@@ -14,11 +17,9 @@ def daily_stone(request):
     if total == 0:
         return render(request, 'dailystone/stone.html', {'mineral': None})
 
-    # Wrap around if we have fewer minerals than days in the year
     index = (day - 1) % total + 1
     mineral = Mineral.objects.filter(day_of_year=index).first()
 
-    # Fallback: pick by modulo of pk list
     if not mineral:
         minerals = list(Mineral.objects.all())
         mineral = minerals[(day - 1) % len(minerals)]
@@ -26,6 +27,7 @@ def daily_stone(request):
     return render(request, 'dailystone/stone.html', {
         'mineral': mineral,
         'today': today,
+        **_base_context(),
     })
 
 
@@ -37,4 +39,31 @@ def random_stone(request):
         'mineral': mineral,
         'today': date.today(),
         'is_random': True,
+        **_base_context(),
+    })
+
+
+def mineral_detail(request, pk):
+    mineral = get_object_or_404(Mineral, pk=pk)
+    return render(request, 'dailystone/stone.html', {
+        'mineral': mineral,
+        'today': date.today(),
+        **_base_context(),
+    })
+
+
+def search_minerals(request):
+    query = request.GET.get('q', '').strip()
+    if not query:
+        return redirect('dailystone:daily_stone')
+
+    results = Mineral.objects.filter(name__icontains=query)
+
+    if results.count() == 1:
+        return redirect('dailystone:mineral_detail', pk=results.first().pk)
+
+    return render(request, 'dailystone/search.html', {
+        'query': query,
+        'results': results,
+        **_base_context(),
     })