.mk-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: hidden;
}

.mk-lightbox.active {
    display: flex;
}

.mk-lightbox img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    transition: transform .35s ease, opacity .35s ease;
}

/* SLIDE EFFECT */
.mk-slide-next {
    transform: translateX(40px);
    opacity: 0;
}

.mk-slide-prev {
    transform: translateX(-40px);
    opacity: 0;
}

/* CONTROLS */
.mk-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 34px;
    cursor: pointer;
}

.mk-arrow {
    position: absolute;
    top: 50%;
    font-size: 42px;
    cursor: pointer;
    user-select: none;
}

.mk-prev { left: 20px; }
.mk-next { right: 20px; }

/* MOBILE SWIPE HINT */
.mk-swipe-hint {
    position: absolute;
    bottom: 25px;
    font-size: 14px;
    opacity: .7;
    display: none;
}

/* MOBILE */
@media (max-width: 768px) {
    .mk-arrow { display: none; }
    .mk-swipe-hint { display: block; }
}