.security-2fa-form {
    padding: 24px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    max-width: 400px;
    margin: 20px auto;
}

.security-2fa-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #2271b1;
}

.security-2fa-message {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.security-2fa-email {
    font-weight: 600;
    color: #2271b1;
}

.security-2fa-input {
    width: 100%;
    padding: 12px;
    font-size: 24px;
    text-align: center;
    letter-spacing: 8px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-bottom: 16px;
    font-family: monospace;
}

.security-2fa-input:focus {
    border-color: #2271b1;
    outline: none;
    box-shadow: 0 0 0 1px #2271b1;
}

.security-2fa-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.security-2fa-submit {
    width: 100%;
    padding: 12px;
    background: #2271b1;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.security-2fa-submit:hover {
    background: #135e96;
}

.security-2fa-back {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: #2271b1;
    text-decoration: none;
}

.security-2fa-back:hover {
    text-decoration: underline;
}