Improve Facebook share: structured text + OG meta tags

- Share quote now includes: property type, price, rooms, area, description snippet
- Added Open Graph meta tags (og:title, og:description, og:image, og:url)
- Added Twitter card meta tags
- OG tags set dynamically via useEffect for client-side rendering

app/property/[id]/page.js

@@ -205,6 +205,51 @@ export default function PropertyDetailsPage() {
       });
   }, [property, params.id]);
 
+  // Set Open Graph meta tags dynamically for Facebook/Twitter sharing
+  useEffect(() => {
+    if (!property) return;
+
+    const typeLabel = property.type === 'villa' ? 'فيلا' : property.type === 'apartment' ? 'شقة' : 'بيت';
+    const priceLabel = `${formatCurrency(property.price)} / ${property.priceUnit === 'daily' ? 'يوم' : 'شهر'}`;
+    const desc = `${typeLabel} في ${property.location?.address || ''} · ${property.bedrooms} غرف نوم · ${property.bathrooms} حمامات · ${property.area} م²`;
+    const imageUrl = property.images?.[0]
+      ? (property.images[0].startsWith('http') ? property.images[0] : `http://45.93.137.91${property.images[0]}`)
+      : '';
+
+    const setMeta = (prop, content) => {
+      let tag = document.querySelector(`meta[property="${prop}"]`);
+      if (!tag) {
+        tag = document.createElement('meta');
+        tag.setAttribute('property', prop);
+        document.head.appendChild(tag);
+      }
+      tag.setAttribute('content', content);
+    };
+
+    const setMetaName = (name, content) => {
+      let tag = document.querySelector(`meta[name="${name}"]`);
+      if (!tag) {
+        tag = document.createElement('meta');
+        tag.setAttribute('name', name);
+        document.head.appendChild(tag);
+      }
+      tag.setAttribute('content', content);
+    };
+
+    setMeta('og:title', `${property.title} - ${priceLabel}`);
+    setMeta('og:description', desc);
+    if (imageUrl) setMeta('og:image', imageUrl);
+    setMeta('og:url', window.location.href);
+    setMeta('og:type', 'website');
+    setMeta('og:site_name', 'SweetHome');
+
+    // Twitter cards
+    setMetaName('twitter:card', 'summary_large_image');
+    setMetaName('twitter:title', `${property.title} - ${priceLabel}`);
+    setMetaName('twitter:description', desc);
+    if (imageUrl) setMetaName('twitter:image', imageUrl);
+  }, [property]);
+
   const formatCurrency = (amount) => {
     return amount?.toLocaleString() + ' ل.س';
   };
@@ -351,9 +396,18 @@ export default function PropertyDetailsPage() {
               </button>
               <button
                 onClick={() => {
-                  const title = encodeURIComponent(property?.title || 'عقار');
+                  const typeLabel = property.type === 'villa' ? 'فيلا' : property.type === 'apartment' ? 'شقة' : 'بيت';
+                  const priceLabel = `${formatCurrency(property.price)} / ${property.priceUnit === 'daily' ? 'يوم' : 'شهر'}`;
+                  const lines = [
+                    `🏠 ${typeLabel} مفروشة في ${property.location?.address || ''}`,
+                    `💰 ${priceLabel}`,
+                    `🛏️ ${property.bedrooms} غرف نوم | 🚿 ${property.bathrooms} حمامات | 📐 ${property.area} م²`,
+                    property.description ? `📝 ${property.description.substring(0, 80)}...` : '',
+                    '',
+                    '🔥 احجز الآن على SweetHome',
+                  ].filter(Boolean);
+                  const quote = encodeURIComponent(lines.join('\n'));
                   const url = encodeURIComponent(window.location.href);
-                  const quote = encodeURIComponent(`${property?.title || 'عقار'} - SweetHome\n${property?.location?.address || ''}`);
                   window.open(`https://www.facebook.com/sharer/sharer.php?u=${url}&quote=${quote}`, '_blank', 'width=600,height=400');
                 }}
                 className="p-2 hover:bg-blue-50 rounded-full transition-colors flex items-center gap-1"