.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    backdrop-filter: blur(8px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.9);
    transition: transform 0.25s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-close svg {
    width: 18px;
    height: 18px;
    stroke: #fff;
    stroke-width: 2;
}

.post-media img {
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.post-media img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .lightbox-content {
        max-width: 95vw;
        max-height: 85vh;
    }
    
    .lightbox-image {
        max-width: 95vw;
        max-height: 85vh;
    }
    
    .lightbox-close {
        top: -45px;
        right: 5px;
    }
}