.seid-gallery {
    display: grid !important;
    grid-template-columns: repeat(var(--seid-columns, 1), minmax(0, 1fr));
    gap: 16px;
    align-items: start;
    width: 100%;
    margin: 1em 0;
}

.seid-gallery .seid-item {
    margin: 0 !important;
    min-width: 0;
    text-align: center;
}

.seid-gallery .seid-image-wrap {
    margin: 0;
}

.seid-gallery .seid-image {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.seid-gallery .seid-lightbox-link,
.seid-gallery .seid-image-wrap > a {
    display: inline-block;
    max-width: 100%;
}

.seid-caption {
    margin-top: 8px;
}

.seid-empty {
    padding: 10px 12px;
    border: 1px dashed currentColor;
    opacity: .8;
    font-size: 14px;
}

.seid-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 32px;
    background: rgba(0, 0, 0, .82);
}

.seid-lightbox.is-open {
    display: flex;
}

.seid-lightbox__image {
    display: block;
    max-width: min(96vw, 1600px);
    max-height: 92vh;
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 8px 40px rgba(0, 0, 0, .35);
}

.seid-lightbox__close {
    position: fixed;
    top: 14px;
    right: 18px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .94);
    color: #111;
    font: 32px/42px Arial, sans-serif;
    text-align: center;
    cursor: pointer;
}

body.seid-lightbox-open {
    overflow: hidden;
}

@media (max-width: 760px) {
    .seid-gallery {
        grid-template-columns: repeat(min(var(--seid-columns, 1), 2), minmax(0, 1fr));
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .seid-gallery {
        grid-template-columns: 1fr;
    }

    .seid-lightbox {
        padding: 18px;
    }
}