/* ============================================================
   photo.css - 宠物图库列表页专属样式
   ============================================================ */

/* ---------- 面包屑 ---------- */
.breadcrumb {
    padding: 12px 0 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
}
.breadcrumb a { color: var(--color-text-secondary); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 6px; color: var(--color-border); }

/* ---------- 页面标题 ---------- */
.page-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-border-light);
    margin-bottom: 20px;
}
.page-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}
.page-header .sub-title {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* ---------- 广告位 ---------- */
.photo-ad-top {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}
.photo-ad-top img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* ---------- 图库网格 ---------- */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ---------- 图库卡片 ---------- */
.photo-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.photo-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.photo-card a {
    display: block;
    color: var(--color-text);
}

/* 卡片图片 */
.photo-card .card-image {
    position: relative;
    padding-top: 75%;
    background: var(--color-bg-light);
    overflow: hidden;
}
.photo-card .card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.photo-card:hover .card-image img {
    transform: scale(1.06);
}

/* 图片遮罩层 */
.photo-card .card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.photo-card:hover .card-overlay {
    opacity: 1;
}
.photo-card .view-btn {
    padding: 8px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    transition: background 0.25s ease;
}
.photo-card .view-btn:hover {
    background: var(--color-primary-dark);
}

/* 卡片信息 */
.photo-card .card-info {
    padding: 12px 14px 14px;
}
.photo-card .card-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.photo-card .card-title:hover {
    color: var(--color-primary);
}
.photo-card .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-secondary);
}
.photo-card .photo-count {
    display: flex;
    align-items: center;
    gap: 4px;
}
.photo-card .card-tag {
    padding: 1px 10px;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 11px;
}

/* ---------- 分页 ---------- */
.pagination-wrapper {
    padding: var(--spacing-md) 0;
}
.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
}
.pagination a,
.pagination .current,
.pagination .ellipsis {
    display: inline-block;
    padding: 6px 13px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: all 0.25s;
    min-width: 36px;
    text-align: center;
}
.pagination a {
    background: var(--color-bg-light);
    color: var(--color-text-secondary);
}
.pagination a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.pagination .current {
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
}
.pagination .ellipsis {
    background: transparent;
    color: var(--color-text-muted);
    padding: 6px 4px;
}
.pagination .first,
.pagination .last,
.pagination .prev,
.pagination .next {
    font-size: 15px;
    padding: 6px 10px;
}

/* ============================================================
   平板响应式
   ============================================================ */
@media (max-width: 992px) {
    .photo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .page-header h1 {
        font-size: var(--font-size-xl);
    }
    .page-header .sub-title {
        font-size: 12px;
    }

    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .photo-card .card-info {
        padding: 8px 10px 10px;
    }
    .photo-card .card-title {
        font-size: 13px;
    }
    .photo-card .card-meta {
        font-size: 11px;
        flex-wrap: wrap;
        gap: 4px 0;
    }
    .photo-card .view-btn {
        padding: 6px 16px;
        font-size: 12px;
    }

    .pagination a,
    .pagination .current,
    .pagination .ellipsis {
        padding: 4px 10px;
        font-size: 12px;
        min-width: 30px;
    }

    .photo-ad-top img {
        border-radius: var(--radius-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }

    .page-header h1 {
        font-size: 18px;
    }
    .page-header .sub-title {
        font-size: 11px;
    }

    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .photo-card .card-title {
        font-size: 12px;
    }
    .photo-card .card-meta {
        font-size: 10px;
    }
    .photo-card .card-info {
        padding: 6px 8px 8px;
    }
    .photo-card .view-btn {
        padding: 4px 12px;
        font-size: 11px;
    }
    .photo-card .card-tag {
        font-size: 9px;
        padding: 0 6px;
    }

    .pagination a,
    .pagination .current,
    .pagination .ellipsis {
        padding: 3px 7px;
        font-size: 11px;
        min-width: 24px;
    }
    .pagination .first,
    .pagination .last,
    .pagination .prev,
    .pagination .next {
        font-size: 12px;
        padding: 3px 6px;
    }
}