legend{
    margin-top: 0px;
    font-size: 22px;
    margin-bottom: 22px;
}

.oetk-complaint {
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.45;
}

.oetk-complaint h1 {
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.oetk-complaint h2 {
    margin-top: 0px;
}

.oetk-info {
    background: #f7f7f7;
    border-left: 5px solid #b40000;
    padding: 22px 26px;
    margin-bottom: 36px;
}

.principles {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
    margin-top: 18px;
}

.principles > div {
    background: #fff;
    border: 1px solid #ddd;
    padding: 14px 16px;
}

.principles strong {
    display: block;
    margin-bottom: 6px;
}

.form-title {
    text-align: left;
    text-transform: uppercase;
    font-size: 22px;
    margin-bottom: 24px;
}

.oetk-complaint fieldset {
    border: 1px solid #b2b2b2;
    padding: 24px;
    margin-bottom: 28px;
}

.oetk-complaint legend {
    font-weight: 700;
    padding: 0 0px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
}

.form-group,
.field {
    display: flex;
    flex-direction: column;
}

.form-group.full,
.field.full {
    grid-column: 1 / -1;
}

.oetk-complaint label {
    font-weight: 700;
    margin-bottom: 6px;
}

.oetk-complaint label span {
    font-weight: 400;
}

.oetk-complaint input[type="text"],
.oetk-complaint input[type="email"],
.oetk-complaint textarea,
.oetk-complaint select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #777;
    border-radius: 0;
    box-sizing: border-box;
    font: inherit;
}

.oetk-complaint textarea {
    min-height: 120px;
}

.numbered-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.number {
    font-weight: 700;
    padding-top: 2px;
}

.check-list {
    margin-top: 8px;
}

.check-list label {
    display: block;
    font-weight: 400;
    margin: 8px 0;
}

.check-list input,
.checkbox-text input {
    margin-right: 8px;
}

.other-field {
    margin-top: 12px;
}

.checkbox-text {
    font-weight: 400 !important;
    display: block;
}

.oetk-complaint__error {
    background: #f8d7da;
    border: 1px solid #f1aeb5;
    color: #842029;
    padding: 16px 20px;
    margin-bottom: 24px;
}

.submit-row {
    margin-top: 28px;
    text-align: center;
}

.submit-row button {
    background: #b40000;
    color: #fff;
    border: 0;
    padding: 13px 26px;
    font-weight: 700;
    cursor: pointer;
}

@media (max-width: 760px) {
    .form-grid,
    .principles {
        grid-template-columns: 1fr;
    }

    .numbered-row {
        grid-template-columns: 1fr;
    }
}


.attachment-remove {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    margin-left: .75rem;
    color: #c00000;
    text-decoration: none;
    font-size: .95rem;
    font-weight: 600;
}

.attachment-remove:hover {
    color: #900;
    text-decoration: underline;
}

.attachment-remove-icon {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
}

.date-field {
    width: 180px;
    max-width: 100%;
}

/* Fehlende Pflichtfelder nach einem Absendeversuch deutlich markieren */
.oetk-complaint__form.was-validated input:invalid,
.oetk-complaint__form.was-validated select:invalid,
.oetk-complaint__form.was-validated textarea:invalid,
.oetk-complaint .form-group.is-invalid input,
.oetk-complaint .form-group.is-invalid select,
.oetk-complaint .form-group.is-invalid textarea,
.oetk-complaint .field.is-invalid input,
.oetk-complaint .field.is-invalid select,
.oetk-complaint .field.is-invalid textarea {
    border: 2px solid #b40000;
    outline: 1px solid #b40000;
    outline-offset: 1px;
}

/* Kenntnisnahme und Datenschutz */
.oetk-complaint .checkbox-text {
    padding: 7px 9px;
    border: 2px solid transparent;
}

.oetk-complaint__form.was-validated
.checkbox-text:has(input[data-consent-required]:invalid),
.oetk-complaint .checkbox-text.is-invalid {
    border-color: #b40000;
    background: #fff1f1;
}

/* Checkbox selbst zusätzlich rot hervorheben */
.oetk-complaint__form.was-validated
input[type="checkbox"][data-consent-required]:invalid,
.oetk-complaint
.checkbox-text.is-invalid
input[type="checkbox"] {
    outline: 2px solid #b40000;
    outline-offset: 2px;
}