body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

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

h1 {
    margin-bottom: 20px;
}

input {
    padding: 10px;
    width: 80%;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

input.error {
    border-color: red;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

#result, #uuidDisplay {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}