body {
    background: #ccc;
  }
  
  #book {
    width: 100%;
    height: calc(100vh - 120px); /* Resta el espacio de los controles (ajustar 120px si es necesario) */
    margin: 0 auto;
  }
  
  #book .turn-page {
    background-color: white;
  }
  
  /* Estilos para la portada */
  #book .cover.portada {
    background: #ff4d4d;
    position: relative;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh; /* Ocupa toda la pantalla */
  }
  
  #book .cover h1 {
    font-size: 60px;
    text-align: center;
    margin: 0;
  }
  
  #book .cover .subtitle {
    font-size: 30px;
    text-align: center;
    margin-top: 20px;
  }
  
  #book .cover img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Cambiado a contain para no distorsionar las imágenes */
    margin: auto;
  }
  
  #book .page {
    padding: 20px;
  }
  
  #controls {
    width: 800px;
    text-align: center;
    margin: 20px 0px;
    font: 30px arial;
  }
  
  #controls input,
  #controls label {
    font: 30px arial;
  }
  
  #book .odd {
    background-image: -webkit-linear-gradient(left, #fff 95%, #ddd 100%);
    background-image: -moz-linear-gradient(left, #fff 95%, #ddd 100%);
    background-image: -o-linear-gradient(left, #fff 95%, #ddd 100%);
    background-image: -ms-linear-gradient(left, #fff 95%, #ddd 100%);
  }
  
  #book .even {
    background-image: -webkit-linear-gradient(right, #fff 95%, #ddd 100%);
    background-image: -moz-linear-gradient(right, #fff 95%, #ddd 100%);
    background-image: -o-linear-gradient(right, #fff 95%, #ddd 100%);
    background-image: -ms-linear-gradient(right, #fff 95%, #ddd 100%);
  }
  

  #controls button {
    font: 30px arial;
    padding: 10px 20px;
    margin: 10px;
    background-color: #ff4d4d; /* Rojo similar a la portada */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#controls button:hover {
    background-color: #e04343; /* Un rojo un poco más oscuro al hacer hover */
}
/* Estilos para la paginación */
.pagination {
    text-align: center;
    margin-top: 20px;
}

.page-link {
    display: inline-block;
    margin: 0 5px;
    padding: 10px;
    background-color: #fff;
    border: 1px solid #ccc;
    color: #333;
    text-decoration: none;
}

.page-link.active {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
}

.page-link:hover {
    background-color: #f1f1f1;
    border-color: #ddd;
}