/* 燈箱遮罩背景 */
#raina-lightboximg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
}

/* 顯示狀態 */
#raina-lightboximg-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 圖片本體 */
#raina-lightboximg-image {
    max-width: 90%;
    max-height: 90%;
    border-radius: 4px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    object-fit: contain;
    cursor: default;
}

/* 圖片顯示時的動畫 */
#raina-lightboximg-overlay.active #raina-lightboximg-image {
    transform: scale(1);
}

/* 關閉按鈕 */
#raina-lightboximg-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}

#raina-lightboximg-close:hover {
    color: #ff5555;
}