body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #71b7e6, #9b59b6);
}

.container {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    margin-bottom: 25px;
    color: #333333;
}

.radio-group {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    color: #555555;
}

.radio-group input {
    margin-right: 5px;
}

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

label {
    display: block;
    margin-bottom: 5px;
    color: #555555;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #007bff;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#results {
    margin-top: 20px;
    color: #333333;
}

@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
}