.fv-calculator-wrapper {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    max-width: 400px;
    font-family: sans-serif;
}

.fv-calculator-wrapper input[type="text"] {
    width: 100%;
    padding: 10px;
    margin: 8px 0 15px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.fv-calculator-wrapper button {
    width: 100%;
    padding: 10px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.fv-calculator-wrapper button:hover {
    background-color: #005177;
}

#fv-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
}

#fv-result.success {
    background-color: #dff0d8;
    border: 1px solid #d6e9c6;
    color: #3c763d;
}

#fv-result.error {
    background-color: #f2dede;
    border: 1px solid #ebccd1;
    color: #a94442;
}

.price {
    font-size: 1.2em;
    margin-top: 10px;
}

#fv-loader {
    margin-top: 15px;
    text-align: center;
    color: #666;
    font-style: italic;
}