.wba-price-calculator {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.wba-price-calculator h3 {
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

.wba-price-calculator select,
.wba-price-calculator input,
.wba-price-calculator button {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.wba-price-calculator button {
    background-color: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.wba-price-calculator button:hover {
    background-color: #005177;
}

.wba-result {
    margin-top: 20px;
    padding: 10px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.wba-price-calculator label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.wba-price-calculator .form-group {
    margin-bottom: 15px;
}

@media (max-width: 600px) {
    .wba-price-calculator {
        max-width: 100%;
        margin: 20px 10px;
    }
}