.sisma-lightbox-overlay {
    position: fixed;
    inset: 0;
    background: oklch(0% 0 0 / 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    cursor: zoom-out;
}

.sisma-lightbox-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.sisma-lightbox-overlay img {
    max-inline-size: min(92vw, 1200px);
    max-block-size: 90vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 8px 48px oklch(0% 0 0 / 0.6);
}

.sisma-lightbox-close,
.sisma-lightbox-prev,
.sisma-lightbox-next {
    position: fixed;
    background: none;
    border: none;
    color: #fff;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.15s ease;
}

.sisma-lightbox-close:hover,
.sisma-lightbox-prev:hover,
.sisma-lightbox-next:hover {
    opacity: 1;
}

.sisma-lightbox-close {
    inset-block-start: var(--wp--preset--spacing--50, 1.5rem);
    inset-inline-end: var(--wp--preset--spacing--50, 1.5rem);
    font-size: 1.5rem;
    padding: 0.5rem;
}

.sisma-lightbox-prev,
.sisma-lightbox-next {
    inset-block: 0;
    font-size: 3rem;
    padding-inline: 1rem;
    display: flex;
    align-items: center;
    block-size: 80px;
    margin-block: auto;
}

.sisma-lightbox-prev { inset-inline-start: 0; }
.sisma-lightbox-next { inset-inline-end: 0; }

@media (prefers-reduced-motion: reduce) {
    .sisma-lightbox-overlay { transition: none; }
}