Add color request feature with modal and Safari styling fixes

- Implement color request modal popup instead of separate page
- Add Serbian translations throughout
- Fix Safari form styling issues with custom CSS
- Add 'Other' option to material and finish dropdowns
- Create admin panel for managing color requests
- Add database migration for color_requests table
- Implement API endpoints for color request management

app/page.tsx

@@ -3,6 +3,7 @@
 import { useState, useEffect } from 'react';
 import { FilamentTableV2 } from '../src/components/FilamentTableV2';
 import { SaleCountdown } from '../src/components/SaleCountdown';
+import ColorRequestModal from '../src/components/ColorRequestModal';
 import { Filament } from '../src/types/filament';
 import { filamentService } from '../src/services/api';
 import { trackEvent } from '../src/components/MatomoAnalytics';
@@ -14,6 +15,7 @@ export default function Home() {
   const [darkMode, setDarkMode] = useState(false);
   const [mounted, setMounted] = useState(false);
   const [resetKey, setResetKey] = useState(0);
+  const [showColorRequestModal, setShowColorRequestModal] = useState(false);
   // Removed V1/V2 toggle - now only using V2
 
   // Initialize dark mode from localStorage after mounting
@@ -173,6 +175,19 @@ export default function Home() {
             </svg>
             Pozovi +381 67 710 2845
           </a>
+          
+          <button
+            onClick={() => {
+              setShowColorRequestModal(true);
+              trackEvent('Navigation', 'Request Color', 'Homepage');
+            }}
+            className="inline-flex items-center gap-2 px-6 py-3 bg-gradient-to-r from-purple-500 to-purple-600 hover:from-purple-600 hover:to-purple-700 text-white font-semibold rounded-lg shadow-lg hover:shadow-xl transition-all duration-200 transform hover:scale-105"
+          >
+            <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01" />
+            </svg>
+            Zatraži Novu Boju
+          </button>
         </div>
         
         <SaleCountdown 
@@ -216,6 +231,11 @@ export default function Home() {
         </div>
       </footer>
       
+      {/* Color Request Modal */}
+      <ColorRequestModal 
+        isOpen={showColorRequestModal}
+        onClose={() => setShowColorRequestModal(false)}
+      />
     </div>
   );
 }