// ── Service Worker ── if ('serviceWorker' in navigator) { window.addEventListener('load', function() { navigator.serviceWorker.register('/sw.js').catch(function(err) { console.log('SW failed:', err); }); }); } // ── PWA Install Banner ── var deferredPrompt = null; var installBanner = null; window.addEventListener('beforeinstallprompt', function(e) { e.preventDefault(); deferredPrompt = e; var style = document.createElement('style'); style.textContent = '@keyframes slideUp{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}'; document.head.appendChild(style); installBanner = document.createElement('div'); installBanner.style.cssText = 'position:fixed;bottom:90px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:420px;background:white;border:1px solid #e2e8f0;border-radius:20px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,0.15);z-index:9999;animation:slideUp 0.3s ease;'; installBanner.innerHTML = '

অ্যাপ ইনস্টল করুন

FRB Routine আপনার ফোনে ইনস্টল করুন

'; document.body.appendChild(installBanner); document.getElementById('pwa-install').addEventListener('click', function() { if (deferredPrompt) { deferredPrompt.prompt(); deferredPrompt.userChoice.then(function() { deferredPrompt = null; if (installBanner) installBanner.remove(); }); } }); document.getElementById('pwa-close').addEventListener('click', function() { if (installBanner) installBanner.remove(); }); }); window.addEventListener('appinstalled', function() { if (installBanner) installBanner.remove(); deferredPrompt = null; }); // ── Security ── function checkDevTools() { var threshold = 160; var widthDiff = window.outerWidth - window.innerWidth; var heightDiff = window.outerHeight - window.innerHeight; if (widthDiff > threshold || heightDiff > threshold) { document.body.style.filter = 'blur(8px)'; document.body.style.pointerEvents = 'none'; } else { document.body.style.filter = ''; document.body.style.pointerEvents = ''; } } function blockContextMenu(e) { e.preventDefault(); return false; } function blockKeys(e) { if (e.key === 'F12' || (e.ctrlKey && e.shiftKey && (e.key === 'I' || e.key === 'J' || e.key === 'C')) || (e.ctrlKey && (e.key === 'U' || e.key === 'S' || e.key === 'A'))) { e.preventDefault(); return false; } } function blockSelect(e) { e.preventDefault(); return false; } function blockDrag(e) { e.preventDefault(); return false; } document.addEventListener('contextmenu', blockContextMenu); document.addEventListener('keydown', blockKeys); document.addEventListener('selectstart', blockSelect); document.addEventListener('dragstart', blockDrag); window.addEventListener('resize', checkDevTools); checkDevTools();

Exam Routine List