.pdf-embed-grid-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.pdf-group {
    margin-bottom: 40px;
}

.pdf-group-title {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.pdf-group-hidden {
    opacity: 0.7;
}

.pdf-no-documents {
    color: #7f8c8d;
    font-style: italic;
    padding: 20px;
    text-align: center;
}

.pdf-grid {
    display: grid;
    grid-template-columns: repeat(var(--pdf-grid-columns, 2), 1fr);
    gap: 20px;
    padding: 0;
}

@media (max-width: 1024px) {
    .pdf-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pdf-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

.pdf-card {
    display: flex;
    flex-direction: row;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

@media (max-width: 480px) {
    .pdf-card {
        flex-direction: column;
    }
    
    .pdf-icon {
        width: 100% !important;
        padding: 20px;
    }
    
    .pdf-icon svg {
        max-width: 60px;
        margin: 0 auto;
    }
}

.pdf-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.pdf-icon {
    width: 80px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.pdf-icon svg {
    width: 100%;
    height: auto;
    fill: #e74c3c;
}

.pdf-content {
    padding: 15px;
    flex: 1;
}

.pdf-title {
    margin: 0 0 10px 0;
    font-size: 18px;
    color: #333;
}

.pdf-description {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.pdf-link {
    display: inline-block;
    padding: 8px 15px;
    background: #e74c3c;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background 0.3s ease;
}

.pdf-link:hover {
    background: #c0392b;
    color: white;
}