body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

#pdfViewer {
    width: 100%;
    height: 100vh;
    border: none;
}

.error-container {
    display: none;
    text-align: center;
    padding: 40px;
    font-family: Arial, sans-serif;
}

.error-title {
    color: #d32f2f;
    margin-bottom: 20px;
}

.error-container p {
    color: #666;
    font-size: 16px;
}

.error-container a {
    color: #0066cc;
    text-decoration: none;
}

.error-container a:hover {
    text-decoration: underline;
}