.kb-form-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
}

.kb-form-lightbox.is-open {
    display: flex;
}

.kb-form-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
}

.kb-form-lightbox__dialog {
    position: relative;
    z-index: 1;
    width: min(1000px, calc(100vw - 40px));
    height: min(100vh - 40px, 100vh);
    max-height: calc(100vh - 40px);
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.kb-form-lightbox__header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.kb-form-lightbox__title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: #111111;
}

.kb-form-lightbox__close {
    flex: 0 0 auto;
    appearance: none;
    border: 0;
    border-radius: 6px;
    background: #111111;
    color: #ffffff;
    padding: 10px 16px;
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
}

.kb-form-lightbox__close:hover,
.kb-form-lightbox__close:focus {
    background: #333333;
    outline: none;
}

.kb-form-lightbox__content {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    display: flex;
    padding: 0;
    -webkit-overflow-scrolling: touch;
}

.kb-form-lightbox__iframeWrap {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    display: flex;
}

.kb-form-lightbox__iframe {
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.kb-form-lightbox__loading,
.kb-form-lightbox__error {
    padding: 24px;
    text-align: center;
    color: #222222;
}

html.kb-form-lightbox-open,
body.kb-form-lightbox-open {
    overflow: hidden;
}

@media (max-width: 782px) {
    .kb-form-lightbox {
        align-items: stretch;
        justify-content: stretch;
    }

    .kb-form-lightbox__dialog {
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }

    .kb-form-lightbox__header {
        position: sticky;
        top: 0;
        z-index: 2;
        padding: 14px 16px;
    }

    .kb-form-lightbox__content {
        flex: 1 1 auto;
    }

    .kb-form-lightbox__iframeWrap {
        min-height: 0;
    }
}