/* 新相册样式 - 瀑布流布局 */

.album-waterfall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.album-card-wrapper {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.album-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.album-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.album-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.album-preview {
    position: relative;
    height: 220px;
    background: #f5f5f5;
    overflow: hidden;
}

/* 预览网格布局 */
.preview-grid {
    display: grid;
    width: 100%;
    height: 100%;
    gap: 2px;
}

.preview-1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.preview-2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.preview-3 {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.preview-3 .preview-item:first-child {
    grid-row: 1 / 3;
}

.preview-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.preview-5,
.preview-6 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 1fr 1fr;
}

.preview-5 .preview-item:first-child,
.preview-6 .preview-item:first-child {
    grid-column: 1 / 3;
}

.preview-7,
.preview-8,
.preview-9 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.preview-item {
    position: relative;
    overflow: hidden;
    background: #e0e0e0;
}

.preview-item img,
.preview-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.album-card:hover .preview-item img {
    transform: scale(1.05);
}

.video-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.more-indicator {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.album-empty {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
}

.album-empty i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.album-info {
    padding: 15px 20px;
}

.album-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-desc {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.album-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.8rem;
    color: #999;
}

.img-count i {
    margin-right: 3px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

/* 响应式 */
@media screen and (max-width: 768px) {
    .album-waterfall {
        grid-template-columns: 1fr;
        padding: 15px;
    }
}