/* Image enhancement: wider image blocks and lightbox */
article.post-content img {
    cursor: zoom-in;
}

.markdown-body .image-block {
    margin: 16px 0;
}

.markdown-body .image-block img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.72);
    z-index: 30;
    cursor: zoom-out;
}

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

.image-lightbox__img {
    max-width: 92vw;
    max-height: 92vh;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

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