.custom-book-button-container {
      display: flex !important;
      justify-content: center !important;
      align-items: center !important;
      flex-direction: column !important;
      width: 100% !important;
      padding: 40px 0 !important;
      position: relative !important;
      z-index: 10 !important;
    }

    .custom-open-book-button {
      background: linear-gradient(135deg, #6b0f9c 0%, #FF1A75 100%) !important;
      color: white !important;
      border: none !important;
      padding: 18px 36px !important;
      border-radius: 50px !important;
      cursor: pointer !important;
      font-family: 'Orbitron', sans-serif !important;
      font-size: 1.2rem !important;
      font-weight: 700 !important;
      letter-spacing: 1px !important;
      text-transform: uppercase !important;
      transition: all 0.3s !important;
      box-shadow: 0 5px 15px rgba(255, 26, 117, 0.4) !important;
      position: relative !important;
      overflow: hidden !important;
      display: flex !important;
      align-items: center !important;
      gap: 12px !important;
    }

    .custom-open-book-button:hover {
      transform: translateY(-5px) !important;
      box-shadow: 0 10px 25px rgba(255, 26, 117, 0.6) !important;
    }

    .custom-open-book-button::before {
      content: "" !important;
      position: absolute !important;
      top: -50% !important;
      left: -50% !important;
      width: 200% !important;
      height: 200% !important;
      background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent) !important;
      transform: rotate(45deg) !important;
      animation: shine 3s infinite !important;
      pointer-events: none !important;
    }

    @keyframes shine {
      0% {
        left: -100%;
      }
      20% {
        left: 100%;
      }
      100% {
        left: 100%;
      }
    }

    .custom-button-rocket {
      font-size: 1.5rem !important;
      animation: rocketVibrate 2s infinite !important;
    }

    @keyframes rocketVibrate {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-5px);
      }
    }

    .custom-book-overlay {
      position: fixed !important;
      top: 0 !important;
      left: 0 !important;
      width: 100vw !important;
      height: 100vh !important;
      background-color: #071527 !important;
      z-index: 99999 !important;
      display: none !important;
      opacity: 0 !important;
      transition: opacity 0.5s ease-in-out !important;
      overflow: hidden !important;
    }

    .custom-book-overlay.custom-active {
      display: flex !important;
      opacity: 1 !important;
      flex-direction: column !important;
      justify-content: center !important;
      align-items: center !important;
    }

    .custom-close-overlay {
      position: fixed !important;
      top: 20px !important;
      right: 20px !important;
      background: rgba(0, 0, 0, 0.6) !important;
      color: white !important;
      border: 1px solid #FF1A75 !important;
      font-size: 1.2rem !important;
      width: 40px !important;
      height: 40px !important;
      border-radius: 50% !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      cursor: pointer !important;
      z-index: 999999 !important;
      box-shadow: 0 0 10px rgba(255, 26, 117, 0.5) !important;
      transition: all 0.3s !important;
    }

    .custom-close-overlay:hover {
      background: rgba(255, 26, 117, 0.8) !important;
      transform: rotate(90deg) !important;
    }

    .custom-book-container-inner {
      height: 100vh !important;
      width: 100% !important;
      display: flex !important;
      justify-content: center !important;
      align-items: center !important;
      overflow: auto !important;
    }

    .custom-book-description {
      max-width: 800px !important;
      margin: 0 auto 30px !important;
      padding: 20px !important;
      background: rgba(107, 15, 156, 0.1) !important;
      border-radius: 12px !important;
      border: 1px solid rgba(255, 26, 117, 0.3) !important;
      font-family: 'Quicksand', sans-serif !important;
      color: #333 !important;
      line-height: 1.6 !important;
      font-size: 1.1rem !important;
      text-align: center !important;
    }

    .custom-book-description h2 {
      color: #FF1A75 !important;
      margin-bottom: 15px !important;
      font-family: 'Orbitron', sans-serif !important;
    }

    .custom-book-cover-image {
      width: 200px !important;
      height: 250px !important;
      margin: 0 auto 30px !important;
      border-radius: 10px !important;
      box-shadow: 0 10px 30px rgba(107, 15, 156, 0.4) !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      position: relative !important;
      overflow: hidden !important;
      transition: transform 0.3s !important;
    }

    .custom-book-cover-image:hover {
      transform: translateY(-10px) !important;
    }

    .custom-book-cover-image img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
      border-radius: 10px !important;
    }

    .custom-stars-background {
      position: absolute !important;
      top: 0 !important;
      left: 0 !important;
      width: 100% !important;
      height: 100% !important;
      pointer-events: none !important;
      z-index: -1 !important;
    }

    .custom-star {
      position: absolute !important;
      width: 2px !important;
      height: 2px !important;
      background-color: white !important;
      border-radius: 50% !important;
      opacity: 0.8 !important;
    }

    /* Interactive Book Styles */
    .custom-immersive-journey {
      width: 90% !important;
      max-width: 1000px !important;
      height: 90vh !important;
      max-height: 600px !important;
      background: #071527 !important;
      position: relative !important;
      border-radius: 10px !important;
      box-shadow: 0 0 30px rgba(255, 26, 117, 0.6) !important;
      overflow: hidden !important;
    }

    .custom-book-content {
      width: 100% !important;
      height: 100% !important;
      position: relative !important;
      perspective: 1000px !important;
    }

    .custom-book-page {
      position: absolute !important;
      top: 0 !important;
      left: 0 !important;
      width: 100% !important;
      height: 100% !important;
      background: linear-gradient(180deg, #071527 0%, #0a2a4d 100%) !important;
      color: white !important;
      display: flex !important;
      flex-direction: column !important;
      justify-content: center !important;
      align-items: center !important;
      text-align: center !important;
      padding: 40px !important;
      font-family: 'Quicksand', sans-serif !important;
      overflow: auto !important;
      transition: transform 0.6s ease-in-out, opacity 0.6s ease-in-out !important;
      backface-visibility: hidden !important;
    }

    .custom-book-page.custom-hidden {
      display: none !important;
    }

    .custom-page-content {
      max-width: 600px !important;
      margin: 0 auto !important;
      z-index: 10 !important;
      background-color: rgba(7, 21, 39, 0.8) !important;
      padding: 20px !important;
      border-radius: 10px !important;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.5) !important;
      border: 1px solid rgba(255, 26, 117, 0.3) !important;
      max-height: 70vh !important;
      overflow-y: auto !important;
      margin-bottom: 60px !important;
    }

    .custom-page-title {
      font-family: 'Orbitron', sans-serif !important;
      font-size: 2rem !important;
      margin-bottom: 20px !important;
      color: #FF1A75 !important;
      text-shadow: 0 0 15px rgba(255, 26, 117, 0.5) !important;
      animation: titlePulse 3s infinite !important;
    }

    @keyframes titlePulse {
      0%, 100% {
        text-shadow: 0 0 15px rgba(255, 26, 117, 0.5);
      }
      50% {
        text-shadow: 0 0 25px rgba(255, 26, 117, 0.8);
        transform: scale(1.05);
      }
    }

    .custom-page-text {
      font-size: 1.2rem !important;
      line-height: 1.7 !important;
      margin-bottom: 30px !important;
      text-shadow: 0 0 5px rgba(0, 0, 0, 0.8) !important;
    }

    /* New interactive text styles */
    .custom-highlight-word {
      display: inline-block !important;
      position: relative !important;
      font-weight: 700 !important;
      cursor: pointer !important;
      transition: all 0.3s ease !important;
      padding: 0 3px !important;
      border-radius: 4px !important;
    }

    .custom-action-word {
      color: #FF1A75 !important;
      text-shadow: 0 0 5px rgba(255, 26, 117, 0.3) !important;
    }

    .custom-action-word:hover {
      transform: scale(1.2) !important;
      text-shadow: 0 0 8px rgba(255, 26, 117, 0.6) !important;
    }

    .custom-wonder-word {
      color: #66d9ff !important;
      text-shadow: 0 0 5px rgba(102, 217, 255, 0.3) !important;
    }

    .custom-wonder-word:hover {
      transform: rotate(5deg) !important;
      text-shadow: 0 0 8px rgba(102, 217, 255, 0.6) !important;
    }

    .custom-feeling-word {
      color: #ffcc00 !important;
      text-shadow: 0 0 5px rgba(255, 204, 0, 0.3) !important;
    }

    .custom-feeling-word:hover {
      animation: bounce 0.5s !important;
      text-shadow: 0 0 8px rgba(255, 204, 0, 0.6) !important;
    }

    .custom-space-word {
      color: #b967ff !important;
      text-shadow: 0 0 5px rgba(185, 103, 255, 0.3) !important;
    }

    .custom-space-word:hover {
      transform: translateY(-5px) !important;
      text-shadow: 0 0 8px rgba(185, 103, 255, 0.6) !important;
    }

    /* Magic word click effect */
    .custom-word-effect {
      position: absolute !important;
      pointer-events: none !important;
      user-select: none !important;
      z-index: 999 !important;
      animation: wordEffect 1s forwards !important;
      white-space: nowrap !important;
      font-weight: bold !important;
      opacity: 0 !important;
    }

    @keyframes wordEffect {
      0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.5);
      }
      70% {
        opacity: 1;
        transform: translate(-50%, -100px) scale(1.2);
      }
      100% {
        opacity: 0;
        transform: translate(-50%, -150px) scale(1);
      }
    }

    @keyframes bounce {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-10px);
      }
    }

    /* Book Cover Special Styling */
    .custom-book-cover {
      position: relative !important;
      z-index: 15 !important;
      display: flex !important;
      flex-direction: column !important;
      justify-content: center !important;
      align-items: center !important;
      height: 100% !important;
      background: linear-gradient(135deg, #040b14 0%, #0a2a4d 100%) !important;
    }

    .custom-cover-title-container {
      position: relative !important;
      margin-bottom: 40px !important;
      text-align: center !important;
    }

    .custom-cover-title {
      font-family: 'Orbitron', sans-serif !important;
      font-size: 4rem !important;
      font-weight: 700 !important;
      line-height: 1.2 !important;
      color: transparent !important;
      background: linear-gradient(135deg, #FF1A75 0%, #6b0f9c 100%) !important;
      -webkit-background-clip: text !important;
      background-clip: text !important;
      text-shadow: 0 0 20px rgba(255, 26, 117, 0.5) !important;
      margin: 0 !important;
      display: inline-block !important;
      transform: translateZ(0) !important;
      letter-spacing: 2px !important;
    }

    .custom-cover-subtitle {
      font-family: 'Quicksand', sans-serif !important;
      font-size: 1.5rem !important;
      color: #fff !important;
      margin-top: 20px !important;
      text-shadow: 0 0 10px rgba(255, 26, 117, 0.5) !important;
    }

    .custom-galaxy-cover {
      position: absolute !important;
      width: 350px !important;
      height: 350px !important;
      border-radius: 50% !important;
      top: 50% !important;
      left: 50% !important;
      transform: translate(-50%, -50%) !important;
      z-index: -1 !important;
      opacity: 0.7 !important;
      overflow: hidden !important;
    }

    .custom-galaxy-cover img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
    }

    .custom-characters-container {
      display: flex !important;
      gap: 20px !important;
      margin-top: 20px !important;
      position: relative !important;
      z-index: 5 !important;
    }

    .custom-character-icon {
      width: 70px !important;
      height: 70px !important;
      border-radius: 50% !important;
      box-shadow: 0 0 15px rgba(255, 255, 255, 0.5) !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      position: relative !important;
      overflow: hidden !important;
      transition: all 0.3s !important;
    }

    .custom-character-icon:hover {
      transform: scale(1.1) !important;
    }

    .custom-character-icon img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
    }

    /* Navigation UI */
    .custom-nav-button-container {
      position: absolute !important;
      bottom: 30px !important;
      width: 100% !important;
      display: flex !important;
      justify-content: space-between !important;
      padding: 0 50px !important;
      z-index: 20 !important;
    }

    .custom-nav-button {
      background: rgba(107, 15, 156, 0.3) !important;
      color: white !important;
      border: 1px solid rgba(255, 26, 117, 0.6) !important;
      padding: 10px 20px !important;
      border-radius: 30px !important;
      cursor: pointer !important;
      font-family: 'Orbitron', sans-serif !important;
      font-size: 1rem !important;
      transition: all 0.3s !important;
      z-index: 25 !important;
    }

    .custom-nav-button:hover {
      background: rgba(255, 26, 117, 0.5) !important;
      transform: translateY(-3px) !important;
      box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2) !important;
    }

    .custom-nav-button.custom-disabled {
      opacity: 0.5 !important;
      cursor: not-allowed !important;
      pointer-events: none !important;
    }

    /* Enhanced Jupiter styles */
    .custom-jupiter {
      position: absolute !important;
      width: 250px !important;
      height: 250px !important;
      border-radius: 50% !important;
      top: 60% !important;
      left: 65% !important;
      transform: translate(-50%, -50%) !important;
      z-index: 2 !important;
      overflow: hidden !important;
      opacity: 0.8 !important;
    }

    .custom-jupiter img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
    }

    /* Character animations */
    .custom-character {
      position: absolute !important;
      width: 80px !important;
      height: 80px !important;
      z-index: 3 !important;
      transition: all 1s ease-in-out !important;
      filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5)) !important;
      border-radius: 50% !important;
      overflow: hidden !important;
    }

    .custom-character img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
    }

    .custom-family-member {
      bottom: 20% !important;
      left: 20% !important;
      box-shadow: 0 0 20px rgba(255, 26, 117, 0.8) !important;
      animation: floatCharacter 6s infinite ease-in-out !important;
    }

    @keyframes floatCharacter {
      0%, 100% {
        transform: translateY(0) rotate(0deg);
      }
      50% {
        transform: translateY(-15px) rotate(5deg);
      }
    }

    /* Rocket and flying animation */
    .custom-rocket {
      position: absolute !important;
      width: 120px !important;
      height: 150px !important;
      bottom: 10% !important;
      right: 15% !important;
      z-index: 4 !important;
      transform: rotate(-15deg) !important;
      animation: rocketLaunch 8s infinite alternate !important;
      filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.7)) !important;
    }

    .custom-rocket img {
      width: 100% !important;
      height: 100% !important;
      object-fit: cover !important;
      border-radius: 10px !important;
    }

    @keyframes rocketLaunch {
      0% {
        transform: translateY(0) rotate(-15deg);
        filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.7));
      }
      100% {
        transform: translateY(-50px) rotate(-10deg);
        filter: drop-shadow(0 0 40px rgba(255, 255, 255, 0.9));
      }
    }

    /* Heartwood Tree */
    .custom-heartwood-tree {
      position: absolute !important;
      width: 200px !important;
      height: 300px !important;
      bottom: 10% !important;
      right: 15% !important;
      z-index: 3 !important;
      animation: treeGlow 4s infinite alternate !important;
      filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.7)) !important;
    }

    @keyframes treeGlow {
      0% {
        filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.7));
      }
      100% {
        filter: drop-shadow(0 0 40px rgba(255, 215, 0, 1));
      }
    }

    /* Golden Boomerang */
    .custom-boomerang {
      position: absolute !important;
      width: 100px !important;
      height: 50px !important;
      top: 40% !important;
      left: 60% !important;
      z-index: 5 !important;
      animation: boomerangSpin 4s infinite linear !important;
      filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.9)) !important;
    }

    @keyframes boomerangSpin {
      0% {
        transform: rotate(0deg) translateX(0);
      }
      25% {
        transform: rotate(90deg) translateX(50px);
      }
      50% {
        transform: rotate(180deg) translateX(0);
      }
      75% {
        transform: rotate(270deg) translateX(-50px);
      }
      100% {
        transform: rotate(360deg) translateX(0);
      }
    }

    /* Portal effect */
    .custom-portal {
      position: absolute !important;
      width: 150px !important;
      height: 150px !important;
      border-radius: 50% !important;
      top: 30% !important;
      left: 70% !important;
      z-index: 2 !important;
      background: radial-gradient(circle at center, #FF1A75, transparent) !important;
      box-shadow: 0 0 30px rgba(255, 26, 117, 0.8) !important;
      animation: portalPulse 4s infinite alternate !important;
    }

    @keyframes portalPulse {
      0% {
        transform: scale(1);
        box-shadow: 0 0 30px rgba(255, 26, 117, 0.8);
      }
      100% {
        transform: scale(1.2);
        box-shadow: 0 0 50px rgba(255, 26, 117, 1);
      }
    }

    /* Cloud bunnies */
    .custom-cloud-bunny {
      position: absolute !important;
      width: 40px !important;
      height: 40px !important;
      background-color: rgba(255, 255, 255, 0.8) !important;
      border-radius: 20px 20px 15px 15px !important;
      z-index: 4 !important;
      animation: bunnyHop 5s infinite !important;
    }

    .custom-cloud-bunny:before {
      content: "" !important;
      position: absolute !important;
      width: 15px !important;
      height: 25px !important;
      background-color: rgba(255, 255, 255, 0.8) !important;
      border-radius: 50% 50% 0 0 !important;
      top: -15px !important;
      left: 5px !important;
    }

    .custom-cloud-bunny:after {
      content: "" !important;
      position: absolute !important;
      width: 15px !important;
      height: 25px !important;
      background-color: rgba(255, 255, 255, 0.8) !important;
      border-radius: 50% 50% 0 0 !important;
      top: -15px !important;
      right: 5px !important;
    }

    .custom-bunny-1 {
      top: 40% !important;
      left: 30% !important;
      animation-delay: 0s !important;
    }

    .custom-bunny-2 {
      top: 30% !important;
      left: 50% !important;
      animation-delay: 1s !important;
    }

    .custom-bunny-3 {
      top: 50% !important;
      left: 70% !important;
      animation-delay: 2s !important;
    }

    @keyframes bunnyHop {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-30px);
      }
    }

    /* Clockwork World elements */
    .custom-gear {
      position: absolute !important;
      border-radius: 50% !important;
      background: linear-gradient(135deg, #b08d57, #daa520) !important;
      box-shadow: 0 0 15px rgba(218, 165, 32, 0.7) !important;
      z-index: 3 !important;
    }

    .custom-gear:before {
      content: "" !important;
      position: absolute !important;
      width: 40% !important;
      height: 40% !important;
      background-color: #0a2a4d !important;
      border-radius: 50% !important;
      top: 30% !important;
      left: 30% !important;
    }

    .custom-gear-teeth {
      position: absolute !important;
      width: 20% !important;
      height: 8% !important;
      background-color: #b08d57 !important;
      top: 46% !important;
      left: 0% !important;
      box-shadow: 0 0 5px rgba(218, 165, 32, 0.5) !important;
    }

    .custom-gear-1 {
      width: 80px !important;
      height: 80px !important;
      top: 30% !important;
      left: 30% !important;
      animation: rotateGear 10s infinite linear !important;
    }

    .custom-gear-2 {
      width: 120px !important;
      height: 120px !important;
      top: 20% !important;
      left: 50% !important;
      animation: rotateGearReverse 15s infinite linear !important;
    }

    .custom-gear-3 {
      width: 60px !important;
      height: 60px !important;
      top: 50% !important;
      left: 60% !important;
      animation: rotateGear 7s infinite linear !important;
    }

    @keyframes rotateGear {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }

    @keyframes rotateGearReverse {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(-360deg);
      }
    }

    /* Singing Island elements */
    .custom-musical-note {
      position: absolute !important;
      font-size: 24px !important;
      color: rgba(255, 255, 255, 0.8) !important;
      text-shadow: 0 0 10px rgba(255, 255, 255, 0.5) !important;
      z-index: 4 !important;
      animation: floatNote 6s infinite !important;
    }

    .custom-note-1 {
      top: 30% !important;
      left: 20% !important;
      animation-delay: 0s !important;
    }

    .custom-note-2 {
      top: 40% !important;
      left: 40% !important;
      animation-delay: 1s !important;
    }

    .custom-note-3 {
      top: 20% !important;
      left: 60% !important;
      animation-delay: 2s !important;
    }

    .custom-note-4 {
      top: 50% !important;
      left: 80% !important;
      animation-delay: 3s !important;
    }

    @keyframes floatNote {
      0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
      }
      20% {
        opacity: 1;
      }
      80% {
        opacity: 1;
      }
      100% {
        transform: translateY(-100px) rotate(20deg);
        opacity: 0;
      }
    }

    /* Glass Desert elements */
    .custom-glass-shard {
      position: absolute !important;
      background-color: rgba(173, 216, 230, 0.3) !important;
      box-shadow: 0 0 15px rgba(173, 216, 230, 0.5) !important;
      transform: rotate(45deg) !important;
      z-index: 3 !important;
    }

    .custom-shard-1 {
      width: 40px !important;
      height: 100px !important;
      top: 20% !important;
      left: 30% !important;
    }

    .custom-shard-2 {
      width: 30px !important;
      height: 80px !important;
      top: 40% !important;
      left: 50% !important;
      transform: rotate(30deg) !important;
    }

    .custom-shard-3 {
      width: 50px !important;
      height: 120px !important;
      top: 30% !important;
      left: 70% !important;
      transform: rotate(60deg) !important;
    }

    /* Lost Moon elements */
    .custom-swirling-void {
      position: absolute !important;
      top: 0 !important;
      left: 0 !important;
      width: 100% !important;
      height: 100% !important;
      background: radial-gradient(circle at center, transparent 0%, #000 70%) !important;
      opacity: 0.7 !important;
      z-index: 1 !important;
      animation: pulseVoid 5s infinite alternate !important;
    }

    @keyframes pulseVoid {
      0% {
        opacity: 0.5;
      }
      100% {
        opacity: 0.8;
      }
    }

    .custom-whisper-text {
      position: absolute !important;
      bottom: 25% !important;
      width: 100% !important;
      text-align: center !important;
      color: rgba(255, 255, 255, 0.6) !important;
      font-family: 'Quicksand', sans-serif !important;
      font-style: italic !important;
      font-size: 1.5rem !important;
      letter-spacing: 2px !important;
      text-shadow: 0 0 10px rgba(255, 255, 255, 0.5) !important;
      z-index: 5 !important;
      animation: fadeInOut 5s infinite alternate !important;
    }

    @keyframes fadeInOut {
      0% {
        opacity: 0;
      }
      50% {
        opacity: 1;
      }
      100% {
        opacity: 0;
      }
    }

    /* Pagination indicator */
    .custom-pagination {
      position: absolute !important;
      bottom: 15px !important;
      left: 50% !important;
      transform: translateX(-50%) !important;
      display: flex !important;
      gap: 10px !important;
      z-index: 30 !important;
    }

    .custom-page-indicator {
      width: 10px !important;
      height: 10px !important;
      border-radius: 50% !important;
      background: rgba(255, 255, 255, 0.3) !important;
      cursor: pointer !important;
      transition: all 0.3s ease !important;
    }

    .custom-page-indicator.custom-active {
      background: #FF1A75 !important;
      transform: scale(1.2) !important;
      box-shadow: 0 0 8px #FF1A75 !important;
    }

    /* Sound toggle button */
    .custom-sound-toggle {
      position: absolute !important;
      top: 20px !important;
      left: 20px !important;
      width: 40px !important;
      height: 40px !important;
      background: rgba(0, 0, 0, 0.6) !important;
      border: 1px solid #FF1A75 !important;
      border-radius: 50% !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      color: white !important;
      font-size: 1.2rem !important;
      cursor: pointer !important;
      z-index: 999999 !important;
      transition: all 0.3s !important;
    }

    .custom-sound-toggle:hover {
      background: rgba(255, 26, 117, 0.4) !important;
    }

    .custom-sound-toggle.custom-muted:after {
      content: "" !important;
      position: absolute !important;
      width: 2px !important;
      height: 28px !important;
      background-color: white !important;
      transform: rotate(45deg) !important;
    }

    /* Loading indicator */
    .custom-loading-indicator {
      color: white !important;
      text-align: center !important;
      font-family: 'Orbitron', sans-serif !important;
      font-size: 1.5rem !important;
      margin-bottom: 20px !important;
    }

    .custom-spinner {
      width: 50px !important;
      height: 50px !important;
      border: 5px solid rgba(255, 26, 117, 0.3) !important;
      border-radius: 50% !important;
      border-top-color: #FF1A75 !important;
      margin: 0 auto 20px !important;
      animation: spin 1s linear infinite !important;
    }

    @keyframes spin {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }

    /* Responsive styles */
    @media (max-width: 768px) {
      .custom-open-book-button {
        padding: 15px 30px !important;
        font-size: 1rem !important;
      }

      .custom-book-description {
        font-size: 1rem !important;
        padding: 15px !important;
      }

      .custom-cover-title {
        font-size: 3rem !important;
      }

      .custom-page-title {
        font-size: 1.5rem !important;
      }

      .custom-page-text {
        font-size: 1rem !important;
      }

      .custom-nav-button-container {
        padding: 0 20px !important;
      }

      .custom-immersive-journey {
        height: 80vh !important;
      }

      .custom-galaxy-cover {
        width: 250px !important;
        height: 250px !important;
      }

      .custom-character-icon {
        width: 50px !important;
        height: 50px !important;
      }

      .custom-page-content {
        max-height: 60vh !important;
      }
    }