.otp-modal {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.otp-modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 30px;
    border: 1px solid #ddd;
    width: 95%;
    max-width: 650px;
    position: relative;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.otp-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
}

.notice {
    margin: 10px 0;
    padding: 10px;
    border-left: 4px solid #fff;
}

.notice-success {
    border-left-color: #46b450;
    background: #ecf7ed;
}

.notice-error {
    border-left-color: #dc3232;
    background: #fbeaea;
}

/* OTP Email Styles */
.otp-code {
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    font-family: monospace;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
    margin: 20px 0;
    padding: 15px;
    text-align: center;
    width: 200px;
}

/* WooCommerce Email Customizer Compatibility */
.woocommerce-email-content .otp-code {
    margin: 20px auto;
}

/* Responsive styles */
@media screen and (max-width: 600px) {
    .otp-code {
        font-size: 20px;
        width: 180px;
    }
}