/* --- Lightbox --- */
#lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#lightbox.show {
    opacity: 1;
}

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

.lightbox-content {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 4px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
}

.lightbox-caption {
    margin-top: 1rem;
    color: #ccc;
    text-align: center;
    font-size: 1.1rem;
    width: 100%;
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
}

.lightbox-watermark {
    font-size: 5vw;
    letter-spacing: 1.2vw;
    font-weight: 900;
    color: #d4af37;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7), 0 0 15px rgba(212, 175, 55, 0.5);
    z-index: 2005;
    pointer-events: none;
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-25deg);
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
}