Add placeholder images, enhance alert styles, and implement theme toggle component with dark mode support

resources/js/modules/search.js

@@ -0,0 +1,42 @@
+function parkSearch() {
+    return {
+        query: '',
+        results: [],
+        loading: false,
+        selectedId: null,
+        
+        async search() {
+            if (!this.query.trim()) {
+                this.results = [];
+                return;
+            }
+
+            this.loading = true;
+            try {
+                const response = await fetch(`/parks/suggest_parks/?search=${encodeURIComponent(this.query)}`);
+                const data = await response.json();
+                this.results = data.results;
+            } catch (error) {
+                console.error('Search failed:', error);
+                this.results = [];
+            } finally {
+                this.loading = false;
+            }
+        },
+
+        clear() {
+            this.query = '';
+            this.results = [];
+            this.selectedId = null;
+        },
+
+        selectPark(park) {
+            this.query = park.name;
+            this.selectedId = park.id;
+            this.results = [];
+            
+            // Trigger filter update
+            document.getElementById('park-filters').dispatchEvent(new Event('change'));
+        }
+    };
+}