body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.calculator-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 600px;
    text-align: center;
}

h1, h2, h3 {
    color: #0056b3;
}

.input-group {
    margin: 1.5rem 0;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

.results-container {
    margin-top: 2rem;
    text-align: left;
}

.price-list {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.price-list h3 {
    margin-top: 0;
    font-size: 1.2em;
}

.price-list p {
    margin: 0.5rem 0;
}

.price-list span {
    font-weight: bold;
    color: #0056b3;
}