/* style.css */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 40px;
    background: #f5f5f5;
    color: #333;
    font-family: Arial, Helvetica, sans-serif;
}

.wrapper {
    max-width: 700px;
    margin: 0 auto;
}

#survey {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
}

h2 {
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 28px;
    font-weight: 600;
}

label {
    display: block;
    margin: 12px 0;
    cursor: pointer;
    font-size: 18px;
}

input[type="radio"] {
    margin-right: 8px;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    border: 1px solid #ccc;
    border-radius: 6px;
    outline: none;
}

input[type="text"]:focus {
    border-color: #1976d2;
}

button {
    padding: 10px 22px;
    margin-top: 25px;
    margin-right: 10px;
    border: none;
    border-radius: 6px;
    background: #1976d2;
    color: white;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #1565c0;
}

button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

pre {
    background: #272822;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 14px;
}

.error {
    color: #d32f2f;
    margin-top: 10px;
}

.success {
    color: #2e7d32;
}

@media (max-width: 700px) {

    body {
        padding: 15px;
    }

    #survey {
        padding: 20px;
    }

    h2 {
        font-size: 22px;
    }

    label {
        font-size: 16px;
    }

    button {
        width: 100%;
        margin-right: 0;
    }

}