body {
    font-family: Arial, sans-serif;
    background-color: #f4f7fa;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 300px;
}

h1 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.form-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input {
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #45a049;
}

.qr-code-container {
    margin-top: 20px;
    text-align: center;
}

.qr-code-container img {
    max-width: 100%;
    height: auto;
}