/* css/pagination.css */
.chemistry-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.chem-pagination-btn {
    padding: 10px 15px;
    background-color: #4a89dc;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.chem-pagination-btn:hover {
    background-color: #3b7dd8;
}

.chem-pagination-btn.disabled {
    background-color: #cccccc;
    pointer-events: none;
    cursor: default;
}

#current-topic {
    font-weight: bold;
    color: #555;
    padding: 0 15px;
}