.woocommerce-top-up-graph-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    margin-top: 10px;
}

.woocommerce-top-up-graph-container .filter-buttons {
    text-align: center;
    margin-bottom: 10px;
}

.woocommerce-top-up-graph-container .filter-buttons .filter-btn {
    background-color: #E6E7E8;
    color: black;
    border: none;
    padding: 5px 10px;
    margin: 5px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
}

.woocommerce-top-up-graph-container .filter-buttons .filter-btn:hover {
    background-color: #2B58A8;
    color: white;
}

.woocommerce-top-up-graph-container .filter-buttons .filter-btn.active {
    background-color: #2B58A8;
    color: white;
}

/* Loading Indicator */
#loadingIndicator {
    text-align: center;
    font-size: 16px;
    color: #2B58A8;
    display: none;
    margin-top: 10px;
}