/* Photos lightbox overlay */
.photos-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--color-lightbox-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.photos-lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

/* Main content area */
.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    user-select: none;
}

/* Navigation arrows */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--color-lightbox-btn-bg);
    color: var(--color-lightbox-btn-text);
    font-size: var(--text-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 10001;
}

.lightbox-nav:hover {
    background: var(--color-lightbox-btn-hover);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Close button */
.lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--color-lightbox-btn-bg);
    color: var(--color-lightbox-btn-text);
    font-size: var(--text-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--color-lightbox-btn-hover);
}

/* Top info bar */
.lightbox-info {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--space-4) 70px var(--space-4) var(--space-5);
    background: var(--color-lightbox-gradient-top);
    color: var(--color-lightbox-btn-text);
    z-index: 10001;
}

.lightbox-filename {
    font-size: 15px;
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-0-5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lightbox-meta {
    font-size: var(--text-xs);
    color: var(--color-lightbox-text-muted);
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* Bottom toolbar */
.lightbox-toolbar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4) var(--space-5);
    background: var(--color-lightbox-gradient-bottom);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    z-index: 10001;
}

.lightbox-toolbar button {
    background: var(--color-lightbox-btn-bg);
    border: none;
    color: var(--color-lightbox-btn-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-md);
    transition: background 0.15s;
}

.lightbox-toolbar button:hover {
    background: var(--color-lightbox-btn-hover);
}

.lightbox-toolbar button.active {
    color: var(--color-accent);
}

/* Counter */
.lightbox-counter {
    position: absolute;
    bottom: 16px;
    left: 20px;
    color: var(--color-lightbox-text-faint);
    font-size: var(--text-sm);
    z-index: 10001;
}

/* EXIF info panel */
.lightbox-infopanel {
    position: absolute;
    top: 64px;
    right: var(--space-4);
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-lightbox-btn-bg);
    color: var(--color-lightbox-btn-text);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    z-index: 10001;
}

.lightbox-infopanel.hidden {
    display: none;
}

.lb-info-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    word-break: break-word;
}

.lb-info-row i {
    width: 18px;
    text-align: center;
    opacity: 0.8;
}

/* Zoomed photo shows a grab cursor for panning */
.lightbox-content img.is-zoomed {
    cursor: grab;
}

/* Responsive */
@media (max-width: 768px) {
    .lightbox-nav {
        width: 36px;
        height: 36px;
        font-size: var(--text-md);
    }

    .lightbox-prev {
        left: 8px;
    }

    .lightbox-next {
        right: 8px;
    }

    .lightbox-content img,
    .lightbox-content video {
        max-width: 100vw;
        max-height: 80vh;
    }
}