body {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #222;
}

.container {
    max-width: 100%;
    padding: 20px;
    box-sizing: border-box;
}

h1 {
    color: #2a5885;
    text-align: center;
    font-size: 24px;
    margin-bottom: 25px;
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

select, input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    box-sizing: border-box;
    background: white;
}

button {
    width: 100%;
    padding: 14px;
    background-color: #3390ec;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    margin-top: 10px;
    cursor: pointer;
}

button:hover {
    background-color: #2878c9;
}

.hidden {
    display: none;
}

#result {
    margin-top: 20px;
    padding: 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#price {
    font-size: 20px;
    font-weight: bold;
    color: #2a5885;
    margin: 15px 0;
}