.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.popup-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.popup-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.popup-content img {
    display: block;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.popup-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: #333;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: background 0.2s, color 0.2s;
}

.popup-close:hover {
    background: #333;
    color: #fff;
}