.gui_img[data-gui-image-lightbox] { cursor: zoom-in; }
.gui_img[data-gui-image-lightbox]:focus-visible { outline: 3px solid currentColor; outline-offset: 4px; }
.gui-image-lightbox { position: fixed; inset: 0; z-index: 2147483000; display: grid; place-items: center; padding: 24px; background: rgba(0, 0, 0, .86); }
.gui-image-lightbox[hidden] { display: none; }
.gui-image-lightbox__image { display: block; max-width: min(1200px, 100%); max-height: calc(100vh - 48px); width: auto; height: auto; object-fit: contain; }
.gui-image-lightbox__close { position: fixed; top: 16px; right: 16px; width: 44px; height: 44px; border: 0; border-radius: 50%; color: #111; background: #fff; font-size: 30px; line-height: 1; cursor: pointer; }