#unique-pdf-viewer-container body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

#unique-pdf-viewer-container .header {
    background-color: #dc3545;
    color: white;
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#unique-pdf-viewer-container .button-container {
    display: flex;
    justify-content: center;
    padding: 15px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#unique-pdf-viewer-container .btn {
    padding: 10px 20px;
    margin: 0 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

#unique-pdf-viewer-container .btn-back {
    background-color: #dc3545;
    color: white;
}

#unique-pdf-viewer-container .btn-download {
    background-color: #28a745;
    color: white;
}

#unique-pdf-viewer-container .btn:hover {
    opacity: 0.9;
}

#unique-pdf-viewer-container .pdf-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-color: #f0f2f5;
     height: 80vh; /* Altura fija para el contenedor del PDF (ajusta según necesidad) */
}

#unique-pdf-viewer-container #pdf-viewer {
    width: 100%;
    height: 100%;
    max-width: 1000px; /* Ancho máximo para evitar que se estire demasiado */
    border: 1px solid #ddd;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}