Move date to campaign details

The AI moved the campaign creation date to be displayed with the campaign name and status in `src/components/CampaignCard.tsx`.

Author: lovable-dev[bot]

src/components/CampaignCard.tsx

@@ -86,14 +86,14 @@ export const CampaignCard = ({ campaign, onCopyUrl }: CampaignCardProps) => {
                        >
                          {campaign.isActive ? "Active" : "En pause"}
                        </Badge>
+                       <span className="text-xs text-slate-500 flex-shrink-0">
+                         Créée le {new Date(campaign.createdAt).toLocaleDateString('fr-FR')}
+                       </span>
                     </div>
                   </CardTitle>
                   <CardDescription className="text-slate-600 mt-1 text-sm leading-relaxed line-clamp-2">
                     {campaign.description}
                   </CardDescription>
-                  <div className="text-xs text-slate-500 mt-1">
-                    Créée le {new Date(campaign.createdAt).toLocaleDateString('fr-FR')}
-                  </div>
                 </div>
               </div>
               <div className="ml-2 flex-shrink-0" onClick={(e) => e.stopPropagation()}>