installBtn.style.display = 'block'; installBtn.addEventListener('click', async () => { if (window._deferredPrompt) { window._deferredPrompt.prompt(); const { outcome } = await window._deferredPrompt.userChoice; console.log('[PWA] Installation:', outcome); window._deferredPrompt = null; installBtn.style.display = 'none'; } }); } }); // Détecter si l'app est installée window.addEventListener('appinstalled', () => { console.log('[PWA] Application installée avec succès'); window._deferredPrompt = null; }); }