/* Base styles for both mobile and desktop */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.container {
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    text-align: center;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
}

    button:disabled {
        background-color: #aaa;
        cursor: not-allowed;
    }

#result {
    margin-top: 20px;
    font-size: 18px;
}

/* Responsive styles */
@media (max-width: 768px) {
    .container {
        max-width: 90%;
    }
}