.pdf-viewer-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.pdf-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 0 0 8px 8px;
}

.pdf-download-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: center;
}

.pdf-download-btn:hover {
    background-color: #2980b9;
}

@media (max-width: 768px) {
    .pdf-viewer {
        height: 400px;
    }
    
    .pdf-controls {
        flex-wrap: wrap;
    }
    
    .pdf-controls button {
        margin: 5px;
    }
}