.catalog-dropdown {
    position: relative;
    display: inline-block;
}

.catalog-dropbtn {
    background-color: transparent;
    color: #333;
    padding: 10px 15px;
    border: 2px solid #ddd;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.catalog-dropbtn:hover {
    transform: scale(1.05);
}

.catalog-dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    min-width: 180px;
    z-index: 1000;
    border-radius: 4px;
    border: 1px solid #ddd;
    overflow: hidden;
    text-align: left;
    margin-left: -10px;
}

.catalog-dropdown-content a {
    color: #333;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
}

.catalog-dropdown-content a:hover {
    background-color: #f8f9fa;
    color: #0056b3;
}

.catalog-dropdown:hover .catalog-dropdown-content {
    display: block;
}

.pdf-icon {
    margin-right: 8px;
    color: #d93025;
}