.lightbox-clickable { cursor: zoom-in; }

.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    z-index: 2147483647;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    cursor: zoom-out;
    padding: 2vh 2vw;
}

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

.lightbox-overlay img {
    max-width: 96vw;
    max-height: 96vh;
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    user-select: none;
    -webkit-user-drag: none;
    transform: scale(0.96);
    transition: transform 0.25s ease;
}

.lightbox-overlay.is-open img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
    background: rgba(255, 255, 255, 0.22);
    outline: none;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.lightbox-nav:hover,
.lightbox-nav:focus-visible {
    background: rgba(255, 255, 255, 0.22);
    outline: none;
}

.lightbox-nav.is-disabled,
.lightbox-nav:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

@media (max-width: 600px) {
    .lightbox-close { top: 8px; right: 10px; }
    .lightbox-prev { left: 6px; }
    .lightbox-next { right: 6px; }
    .lightbox-nav { width: 40px; height: 40px; font-size: 22px; }
}