/* Lightbox – prohlížení fotografií (sdílené: detail článku, detail klubu) */

.lightbox {
    position: fixed; inset: 0; z-index: 100;
    display: flex; align-items: center; justify-content: center;
    background: rgba(7, 16, 28, .94);
    touch-action: pan-y;
}
.lb-stage { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 12px; max-width: calc(100vw - 150px); }
.lb-stage img {
    max-width: 100%; max-height: calc(100vh - 110px);
    width: auto; height: auto;
    border-radius: 6px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
    transition: opacity .2s;
    user-select: none; -webkit-user-drag: none;
}
.lb-stage img.is-loading { opacity: .25; }
.lb-counter { color: rgba(255, 255, 255, .8); font-size: 14px; font-weight: 600; }
.lb-close, .lb-nav {
    position: absolute;
    display: flex; align-items: center; justify-content: center;
    border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .1); color: var(--white);
    cursor: pointer; transition: background-color .15s;
}
.lb-close:hover, .lb-nav:hover { background: rgba(255, 255, 255, .22); }
.lb-close { top: 16px; right: 16px; width: 46px; height: 46px; font-size: 22px; }
.lb-nav { top: 50%; width: 52px; height: 52px; margin-top: -26px; font-size: 20px; }
.lb-prev { left: 16px; }
.lb-next { right: 16px; }
.lightbox.is-single .lb-nav, .lightbox.is-single .lb-counter { display: none; }
body.lb-open { overflow: hidden; }

@media (max-width: 760px) {
    .lb-stage { max-width: 100vw; }
    .lb-stage img { max-height: calc(100vh - 140px); border-radius: 0; }
    .lb-nav { top: auto; bottom: 18px; margin-top: 0; }
    .lb-prev { left: calc(50% - 70px); }
    .lb-next { right: calc(50% - 70px); }
    .lb-counter { position: fixed; top: 26px; left: 20px; }
}