body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 2rem;
}

h1 {
    color: #2c3e50;
}

button {
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #2980b9;
}

.red-bg {
    background-color: red;
    color: white;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 4px;
}

#totp-container {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-start;
    gap: 0.4rem;
}

.totp-digit {
    width: 2rem;
    height: 2rem;
    font-size: 1.5rem;
    text-align: center;
    border-radius: 0.5rem;
    border: 1px solid #ccc;
}