.img-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.img-preview-wrapper {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-preview-content {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    animation: zoomIn 0.3s forwards;
}

@keyframes zoomIn {
    from { transform: scale(0.9); }
    to { transform: scale(1); }
}

.img-preview-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #f1f1f1;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    line-height: 1;
    z-index: 10000;
}

.img-preview-close:hover,
.img-preview-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* Responsive adjustments */
@media only screen and (max-width: 700px) {
    .img-preview-content {
        width: 100%;
    }
}