.mobile-bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
  }
  
  /* Overlay with blur effect */
  .mobile-sheet-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 998;
  }
  
  .mobile-bottom-sheet-content {
    background: #fff;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
    padding: 24px 20px;
    position: relative;
  }
  
  .close-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0;
  }
  
  .app-promotion {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding-right: 20px;
  }
  
  .app-icon {
    margin-right: 15px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
  }
  
  .default-app-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    border-radius: 12px;
  }
  
  .app-info h4 {
    margin: 0 0 5px;
    font-size: 18px;
    font-weight: bold;
  }
  
  .app-info p {
    margin: 0;
    font-size: 14px;
    color: #666;
  }
  
  .sheet-button-container {
    display: flex;
    gap: 12px;
    margin-top: 5px;
  }
  
  .open-app-button {
    flex: 1;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .cancel-button {
    flex: 1;
    background: #f0f0f0;
    color: #333;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .open-app-button:hover {
    opacity: 0.9;
  }
  
  .cancel-button:hover {
    background-color: #e5e5e5;
  }
  
  /* Hide the bottom sheet on non-mobile devices */
  @media (min-width: 769px) {
    .mobile-bottom-sheet,
    .mobile-sheet-overlay {
      display: none;
    }
  }
  
  /* Animation for sheet entrance */
  @keyframes slideUp {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }
  
  .mobile-bottom-sheet {
    animation: slideUp 0.3s ease-out;
  }