index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
  <title>Kids Learning Hub</title>
  
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Comic+Neue:wght@400;700&family=Outfit:wght@400;700;900&display=swap" rel="stylesheet">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
  <link rel="manifest" href="/manifest.json">
  
  <!-- iOS Meta Tags for PWA install capability in Safari -->
  <meta name="theme-color" content="#4cc9f0">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  <meta name="apple-mobile-web-app-title" content="Kids Hub">
  <link rel="apple-touch-icon" href="/assets/icon-192.png">
  
  <style>
    /* Fullscreen audio unlock overlay */
    #audio-unlock-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #7209b7 0%, #3f37c9 50%, #4cc9f0 100%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 99999;
      opacity: 1;
      transition: opacity 0.5s ease, visibility 0.5s ease;
      font-family: 'Comic Neue', 'Outfit', sans-serif;
      color: white;
      text-align: center;
      overflow: hidden;
    }
    
    #audio-unlock-overlay.fade-out {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }
    
    .unlock-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
      padding: 2rem;
      max-width: 90%;
      animation: unlockFloat 3s ease-in-out infinite;
    }
    
    .unlock-icon {
      font-size: 6rem;
      margin-bottom: 0.5rem;
      user-select: none;
      filter: drop-shadow(0 10px 15px rgba(0,0,0,0.2));
    }
    
    .unlock-title {
      font-family: 'Outfit', sans-serif;
      font-size: 3.5rem;
      font-weight: 900;
      margin: 0;
      letter-spacing: 0.03em;
      text-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }
    
    .unlock-subtitle {
      font-size: 1.5rem;
      margin: 0;
      opacity: 0.9;
      font-weight: 700;
      text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    
    .unlock-btn {
      background: #ff007f;
      color: white;
      border: 4px solid white;
      border-radius: 2rem;
      padding: 1rem 3rem;
      font-size: 1.75rem;
      font-weight: 900;
      cursor: pointer;
      box-shadow: 0 10px 25px rgba(255,0,127,0.4), inset 0 4px 0 rgba(255,255,255,0.4);
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      outline: none;
      animation: unlockPulse 1.5s infinite;
      font-family: inherit;
    }
    
    .unlock-btn:active {
      transform: scale(0.95);
      box-shadow: 0 4px 10px rgba(255,0,127,0.4);
    }
    
    @keyframes unlockFloat {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-12px); }
    }
    
    @keyframes unlockPulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
  </style>
</head>
<body class="bg-slate-50 m-0 p-0 overflow-x-hidden">
  <div id="root"></div>

  <!-- Fullscreen iOS Safari Audio Unlock Overlay -->
  <div id="audio-unlock-overlay">
    <div class="unlock-content">
      <div class="unlock-icon">🎈</div>
      <h1 class="unlock-title">Kids Learning Hub</h1>
      <p class="unlock-subtitle">Mainan Edukasi Anak 🌟</p>
      <button class="unlock-btn" id="unlock-button">Ketuk untuk Mulai ➔</button>
    </div>
  </div>

  <script type="module" src="/src/main.tsx"></script>
  
  <script>
    // iOS Web Audio & Speech Synthesis Unlock Script
    document.getElementById('unlock-button').addEventListener('click', async function unlock() {
      // 1. Initialize and resume Web Audio context
      const AudioContextClass = window.AudioContext || window.webkitAudioContext;
      if (AudioContextClass) {
        try {
          const ctx = new AudioContextClass();
          if (ctx.state === 'suspended') {
            await ctx.resume();
          }
          
          // Play a silent 1-sample buffer to trigger the hardware unlock
          const buffer = ctx.createBuffer(1, 1, 22050);
          const source = ctx.createBufferSource();
          source.buffer = buffer;
          source.connect(ctx.destination);
          source.start(0);
          
          // Expose to window globally for downstream apps and stores
          window.__audioUnlocked = true;
          window.__audioContext = ctx;
        } catch (e) {
          console.warn('[Unlock] AudioContext unlock failed:', e);
        }
      }

      // 2. Trigger dummy SpeechSynthesis to satisfy iOS text-to-speech interaction requirement
      if ('speechSynthesis' in window) {
        try {
          // Speak a space character to unlock the speech system silently on iOS
          const utterance = new SpeechSynthesisUtterance(' ');
          utterance.volume = 0;
          utterance.lang = 'id-ID';
          window.speechSynthesis.speak(utterance);
          window.__speechUnlocked = true;
        } catch (e) {
          console.warn('[Unlock] SpeechSynthesis unlock failed:', e);
        }
      }

      // 3. Dispatch global event to notify Zustand state to autoplay background music
      const unlockEvent = new CustomEvent('klh-audio-unlocked');
      window.dispatchEvent(unlockEvent);

      // 4. Fade out overlay and reveal the portal
      const overlay = document.getElementById('audio-unlock-overlay');
      if (overlay) {
        overlay.classList.add('fade-out');
        setTimeout(() => {
          overlay.remove();
        }, 500); // matches CSS transition duration
      }
    });

    // Auto-dismiss the overlay under automated test environments (e.g. Playwright)
    if (navigator.webdriver) {
      console.log('[Automation] Webdriver detected, auto-dismissing overlay...');
      document.getElementById('unlock-button').click();
    }
  </script>

  <!-- Service Worker PWA registration -->
  <script>
    if ('serviceWorker' in navigator) {
      window.addEventListener('load', () => {
        navigator.serviceWorker.register('/sw.js')
          .then(reg => console.log('ServiceWorker registered with scope: ', reg.scope))
          .catch(err => console.error('ServiceWorker registration failed: ', err));
      });
    }
  </script>
</body>
</html>