(function() { const isInStandaloneMode = window.navigator.standalone === true || window.matchMedia('(display-mode: standalone)').matches; const dismissed = sessionStorage.getItem('pwa-banner-dismissed'); if (isInStandaloneMode || dismissed) return; const isIos = /iphone|ipad|ipod/i.test(navigator.userAgent); const isAndroid = /android/i.test(navigator.userAgent); function showBanner(content) { const banner = document.createElement('div'); banner.id = 'pwa-install-banner'; banner.style.cssText = [ 'position:fixed', 'bottom:20px', 'left:50%', 'transform:translateX(-50%)', 'width:calc(100% - 40px)', 'max-width:390px', 'background:#1a1a1a', 'color:#fff', 'border-radius:16px', 'padding:14px 16px', 'display:flex', 'align-items:center', 'gap:12px', 'z-index:9999', 'box-shadow:0 8px 32px rgba(0,0,0,0.3)', 'font-family:Inter,sans-serif', 'animation:slideUp 0.3s ease', ].join(';'); banner.innerHTML = '' + content; document.body.appendChild(banner); } function closeBanner() { var b = document.getElementById('pwa-install-banner'); if (b) b.remove(); sessionStorage.setItem('pwa-banner-dismissed', '1'); } window.__closePwaBanner = closeBanner; if (isAndroid) { window.addEventListener('beforeinstallprompt', function(e) { e.preventDefault(); window.__deferredInstallPrompt = e; setTimeout(function() { showBanner([ '

📡

', '

App installieren

', '

Push-Benachrichtigungen · Schneller Zugriff

', '

', '', '', ].join('')); }, 2000); }); } if (isIos) { setTimeout(function() { showBanner([ '

📡

', '

App installieren

', '

Tippe auf Teilen ↑ dann Zum Home-Bildschirm

', '

', '', ].join('')); }, 2000); } })();

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