Enhance moderation dashboard UI and UX:

- Add HTMX-powered filtering with instant updates
- Add smooth transitions and loading states
- Improve visual hierarchy and styling
- Add review notes functionality
- Add confirmation dialogs for actions
- Make navigation sticky
- Add hover effects and visual feedback
- Improve dark mode support

accounts/views.py

@@ -64,7 +64,7 @@ class CustomLoginView(TurnstileMixin, LoginView):
         if getattr(request, 'htmx', False):
             return render(
                 request,
-                'account/partials/login_form.html',
+                'account/partials/login_modal.html',
                 self.get_context_data()
             )
         return super().get(request, *args, **kwargs)
@@ -76,7 +76,30 @@ class CustomSignupView(TurnstileMixin, SignupView):
         except ValidationError as e:
             form.add_error(None, str(e))
             return self.form_invalid(form)
-        return super().form_valid(form)
+            
+        response = super().form_valid(form)
+        
+        if getattr(self.request, 'htmx', False):
+            return HttpResponseClientRefresh()
+        return response
+
+    def form_invalid(self, form):
+        if getattr(self.request, 'htmx', False):
+            return render(
+                self.request,
+                'account/partials/signup_modal.html',
+                self.get_context_data(form=form)
+            )
+        return super().form_invalid(form)
+
+    def get(self, request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponse:
+        if getattr(request, 'htmx', False):
+            return render(
+                request,
+                'account/partials/signup_modal.html',
+                self.get_context_data()
+            )
+        return super().get(request, *args, **kwargs)
 
 @login_required
 def user_redirect_view(request: HttpRequest) -> HttpResponse: