.dose-email-builder {
    width: 100%;
}

.dose-email-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
    width: 100%;
}

.dose-email-local,
.dose-email-domain,
.dose-email-custom-domain {
    flex: 1 1 180px;
    min-width: 0;
}

.dose-email-domain {
    flex-basis: 170px;
}

.dose-email-custom-domain {
    flex-basis: 160px;
}

.dose-email-custom-domain.is-hidden {
    display: none;
}

.dose-email-local-group {
    display: flex;
    width: 100%;
}

.dose-email-builder input,
.dose-email-builder select {
    width: 100%;
}

.dose-email-local-group input {
    flex: 1 1 auto;
    min-width: 0;
}

.dose-email-at {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    padding: 0 10px;
    border: 1px solid #ced4da;
    border-left: 0;
    background: #f8f9fa;
    color: #495057;
    font-weight: 600;
}

.dose-email-builder input.is-invalid,
.dose-email-builder select.is-invalid,
.dose-email-builder input.dose-email-invalid,
.dose-email-builder select.dose-email-invalid {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.1rem rgba(220, 53, 69, 0.2) !important;
}

.dose-email-feedback {
    display: none;
    margin-top: 4px;
    color: #dc3545;
    font-size: 12px;
    line-height: 1.35;
}

.dose-email-feedback.has-error {
    display: block;
}

.dose-email-preview {
    display: block;
    margin: 6px 0 0;
    color: #6c757d;
    font-size: 12px;
    line-height: 1.4;
}

.dose-email-preview code {
    color: #800000;
    word-break: break-all;
}

.dose-email-warning-note {
    display: none;
    margin-top: 4px;
    color: #dc3545;
    font-size: 12px;
    line-height: 1.35;
}

@media (max-width: 576px) {
    .dose-email-local,
    .dose-email-domain,
    .dose-email-custom-domain {
        flex-basis: 100%;
    }
}