body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #495057;
    text-align: center;
    margin-bottom: 20px;
}

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

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

input[type="text"],
input[type="email"],
input[type="number"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

input[type="checkbox"] {
    margin-right: 10px;
}

button.submit-btn {
    display: block;
    width: 100%;
    padding: 10px;
    border: none;
    background-color: #007bff;
    color: #fff;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 20px;
}

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

.license-display {
    margin-top: 20px;
    text-align: center;
}

.license-display h2 {
    color: #495057;
    margin-bottom: 10px;
}

.license-key-box {
    font-size: 18px;
    font-weight: bold;
    color: #000;
    background-color: #fff;
    border: 1px solid #0056b3;
    padding: 20px;
    border-radius: 8px;
    display: inline-block;
    word-break: break-word;
    max-width: 100%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    button.submit-btn {
        font-size: 14px;
    }

    .license-key-box {
        font-size: 16px;
        padding: 15px;
    }

    .checkbox-group {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    input[type="text"],
    input[type="email"],
    input[type="number"],
    select {
        font-size: 14px;
    }

    button.submit-btn {
        padding: 12px;
        font-size: 14px;
    }

    .license-key-box {
        font-size: 14px;
        padding: 10px;
    }
}

/* Checkboxes in One Line */
.checkbox-group {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.checkbox-item label {
    margin: 0;
    margin-right: 5px;
}