/**
 * Gallery lightbox overlay — paired with js/gallery-lightbox.js.
 * Scoped under .dh-lightbox so there's zero impact on pages that don't
 * render a gallery block.
 */
.dh-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    padding: 1rem;
}

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

html.dh-lightbox-open {
    overflow: hidden;
}

.dh-lightbox__figure {
    margin: 0;
    max-width: min(96vw, 1400px);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.dh-lightbox__img {
    display: block;
    max-width: 100%;
    max-height: 82vh;
    width: auto;
    height: auto;
    object-fit: contain;
    background: #111;
}

.dh-lightbox__caption {
    color: #eee;
    font-size: 0.9rem;
    text-align: center;
    max-width: 80ch;
    min-height: 1.2em;
}

.dh-lightbox__caption:empty {
    display: none;
}

.dh-lightbox__close,
.dh-lightbox__prev,
.dh-lightbox__next {
    position: absolute;
    background: transparent;
    color: #fff;
    border: 0;
    font-size: 2.5rem;
    line-height: 1;
    padding: 0.25rem 0.75rem;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.15s ease;
}

.dh-lightbox__close:hover,
.dh-lightbox__prev:hover,
.dh-lightbox__next:hover,
.dh-lightbox__close:focus,
.dh-lightbox__prev:focus,
.dh-lightbox__next:focus {
    opacity: 1;
    outline: none;
}

.dh-lightbox__close {
    top: 0.5rem;
    right: 0.75rem;
    font-size: 2.25rem;
}

.dh-lightbox__prev {
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}

.dh-lightbox__next {
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}

/* Only show prev/next when there's more than one image in the set. */
.dh-lightbox:not(.has-many) .dh-lightbox__prev,
.dh-lightbox:not(.has-many) .dh-lightbox__next {
    display: none;
}

@media (max-width: 576px) {
    .dh-lightbox__prev,
    .dh-lightbox__next {
        font-size: 2.25rem;
    }
    .dh-lightbox__caption {
        font-size: 0.8rem;
    }
}