.plakat-sidebar {
    width: 100%;
    margin: 0 0 16px 0;
}

.plakat-sidebar-item {
    cursor: pointer;
    display: block;
    overflow: hidden;
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.plakat-sidebar-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.plakat-sidebar-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Lightbox (önálló, a plakat-grid lightbox mintájára) */
.plakat-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
}

.plakat-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.plakat-lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
}

.plakat-lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.plakat-lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
}

.plakat-lightbox-close {
    position: fixed;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 2;
    line-height: 1;
    padding: 0;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.plakat-lightbox-close:hover {
    opacity: 1;
}