.abc-email-integrity-checkout-message {
    box-sizing: border-box;
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 14px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.abc-email-integrity-checkout-message[hidden] {
    display: none;
}

.abc-email-integrity-checkout-message-error {
    border-color: #f2b8c1;
    background: #f8d7dc;
    color: #8a1f2d;
}

.abc-email-integrity-checkout-message-warning {
    border-color: #e5c980;
    background: #fff4ce;
    color: #6d4b00;
}

.abc-email-integrity-checkout-message-checking {
    border-color: #b8cfe7;
    background: #eef6ff;
    color: #1d4f7a;
}

input.abc-email-integrity-checkout-invalid {
    border-color: #d63638;
    box-shadow: 0 0 0 1px #d63638;
}