.vacation-calculator {
    max-width: 500px;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    font-family: Arial, sans-serif;
}

.vacation-calculator h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: #333;
}

.vpc-field {
    margin-bottom: 1rem;
}

.vpc-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

.vpc-field input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1rem;
}

button#calculateButton {
    display: block;
    margin: 1rem auto 0;
    padding: 0.75rem 1.5rem;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button#calculateButton:hover {
    background-color: #005f8d;
}

.vpc-result {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1.2rem;
    color: #333;
}

@media (max-width: 480px) {
    .vacation-calculator {
        margin: 1rem;
        padding: 1rem;
    }
    .vacation-calculator h2 {
        font-size: 1.25rem;
    }
    button#calculateButton {
        width: 100%;
    }
}