Fix admin events panel: show full images without cropping

Remove fixed h-40 + object-cover from event list cards and gallery
previews in the create wizard. Images now display at natural aspect
ratio with object-contain so sponsor logos at edges are fully visible.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

resources/views/livewire/events/create-event-wizard.blade.php

@@ -431,7 +431,7 @@ class="w-28 px-3 py-1.5 border border-gray-300 rounded-lg text-sm focus:ring-2 f
                         @if(!empty($galleryPhotos))
                             <div class="grid grid-cols-3 gap-3 mb-3">
                                 @foreach($galleryPhotos as $photo)
-                                    <img src="{{ $photo->temporaryUrl() }}" class="w-full h-24 object-cover rounded-lg">
+                                    <img src="{{ $photo->temporaryUrl() }}" class="w-full h-auto object-contain rounded-lg">
                                 @endforeach
                             </div>
                         @endif

resources/views/livewire/events/event-list.blade.php

@@ -55,9 +55,11 @@ class="w-full px-4 py-2.5 border border-gray-300 rounded-lg text-sm focus:ring-2
                     <a href="{{ route('events.show', $event) }}" wire:navigate
                        class="bg-white rounded-xl border border-gray-200 overflow-hidden hover:shadow-md transition-shadow group">
                         {{-- Cover --}}
-                        <div class="h-40 bg-gradient-to-br from-blue-500 to-purple-600 relative">
+                        <div class="bg-gradient-to-br from-blue-500 to-purple-600 relative">
                             @if($event->cover)
-                                <img src="{{ $event->cover->url }}" alt="{{ $event->title }}" class="w-full h-full object-cover">
+                                <img src="{{ $event->cover->url }}" alt="{{ $event->title }}" class="w-full h-auto object-contain">
+                            @else
+                                <div class="h-40"></div>
                             @endif
                             <div class="absolute top-3 start-3">
                                 <span class="px-2.5 py-1 rounded-full text-xs font-medium