/*
 * 图片库样式 - 图片展示页
 *
 * @project  BlazeHibachi - Premium Mobile Hibachi Catering
 * @company  YiShangQi (易商企)
 * @copyright Copyright (c) 2026 YiShangQi. All rights reserved.
 */

/* gallery.css - 图库页样式 */

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.gallery-filter {
    padding: var(--space-2) var(--space-4);
    font-family: 'MiSans', sans-serif;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.gallery-filter:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.gallery-filter.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    background: var(--color-bg-alt);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    font-size: var(--fs-xl);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item {
    position: relative;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-6);
    color: var(--color-text-light);
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-7);
    color: var(--color-text-light);
    font-size: var(--fs-base);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.open {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: #fff;
    font-size: var(--fs-xl);
    cursor: pointer;
    padding: var(--space-3);
    opacity: 0.7;
    transition: opacity var(--transition);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
}

.lightbox-close { top: var(--space-4); right: var(--space-4); }
.lightbox-prev { left: var(--space-4); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-4); top: 50%; transform: translateY(-50%); }

@media (max-width: 1024px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}