/* ============================================================
   gallery.css - 画廊样式
   ============================================================ */

.gallery-page {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.gallery-filter-current {
    font-size: var(--font-sm);
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ============================================================
   标签筛选栏
   ============================================================ */
.gallery-filter {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px var(--space-md);
    overflow: hidden;
}

.gallery-filter .filter-label {
    font-size: var(--font-sm);
    color: var(--text-muted);
    font-weight: 500;
    flex-shrink: 0;
}

.gallery-filter .filter-scroll {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    flex: 1;
    min-width: 0;
    padding: 3px 0;
}

.gallery-filter .filter-scroll::-webkit-scrollbar {
    height: 4px;
}

.gallery-filter .filter-scroll::-webkit-scrollbar-thumb {
    background: var(--border-base);
    border-radius: var(--radius-full);
}

.gallery-filter .filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all var(--transition-fast);
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.gallery-filter .filter-tag:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

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

.gallery-filter .filter-tag .filter-count {
    font-size: 10px;
    opacity: 0.65;
}

.gallery-filter .filter-clear {
    font-size: var(--font-sm);
    color: var(--text-muted);
    text-decoration: none;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.gallery-filter .filter-clear:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ============================================================
   相册网格
   ============================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-md);
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
}

@media (max-width: 360px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   相册卡片
   ============================================================ */
.gallery-card {
    overflow: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.gallery-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.15);
}

/* 封面 */
.gallery-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #e2e8f0;
}

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

.gallery-card:hover .gallery-cover img {
    transform: scale(1.06);
}

.gallery-count-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(6px);
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* 信息 */
.gallery-info {
    padding: var(--space-sm) var(--space-md) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gallery-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.gallery-date {
    white-space: nowrap;
}

.gallery-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    min-width: 0;
    overflow: hidden;
}

.gallery-tag {
    font-size: 10px;
    color: var(--primary-color);
    background: var(--primary-light);
    padding: 1px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

/* ============================================================
   相册详情弹窗
   ============================================================ */
.album-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.album-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.album-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    cursor: pointer;
}

.album-modal-panel {
    position: relative;
    width: 92%;
    max-width: 1000px;
    max-height: 90vh;
    border-radius: var(--radius-2xl);
    background: #ffffff;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.album-modal.active .album-modal-panel {
    transform: translateY(0) scale(1);
}

/* 关闭按钮 */
.album-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    transition: all var(--transition-fast);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.album-modal-close:hover {
    background: var(--primary-color);
    color: #fff;
    transform: rotate(90deg);
}

/* 头部 */
.album-modal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
    padding-right: 60px;
}

.album-modal-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.album-modal-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 4px;
    font-size: var(--font-sm);
    color: var(--text-muted);
    flex-wrap: wrap;
}

/* 正文（图片网格） */
.album-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md) var(--space-lg);
    scrollbar-width: thin;
}

.album-modal-body::-webkit-scrollbar {
    width: 6px;
}

.album-modal-body::-webkit-scrollbar-thumb {
    background: var(--border-base);
    border-radius: var(--radius-full);
}

.album-photos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}

.album-photo {
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-hover);
    cursor: zoom-in;
    position: relative;
}

.album-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-base);
}

.album-photo:hover img {
    transform: scale(1.06);
}

.album-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background var(--transition-base);
}

.album-photo:hover::after {
    background: rgba(0, 0, 0, 0.08);
}

.album-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: var(--font-base);
}

/* 底部 */
.album-modal-footer {
    padding: 12px var(--space-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
}

.album-original-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-sm);
    color: var(--primary-color);
    text-decoration: none;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.album-original-link:hover {
    background: var(--primary-color);
    color: #fff;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .album-modal-panel {
        width: 96%;
        max-height: 94vh;
    }

    .album-modal-header {
        padding: var(--space-sm) var(--space-md);
        padding-right: 50px;
    }

    .album-modal-title {
        font-size: var(--font-lg);
    }

    .album-modal-body {
        padding: var(--space-sm) var(--space-md);
    }

    .album-photos {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 6px;
    }

    .album-modal-footer {
        padding: 10px var(--space-md);
    }
}

@media (max-width: 480px) {
    .gallery-page {
        max-width: 100%;
    }

    .gallery-info {
        padding: 8px 12px 12px;
    }

    .gallery-title {
        font-size: var(--font-sm);
    }

    .gallery-tag {
        font-size: 9px;
        padding: 0 6px;
    }

    .gallery-count-badge {
        font-size: 10px;
        padding: 2px 8px;
    }

    .album-modal-close {
        width: 30px;
        height: 30px;
        font-size: 14px;
        top: 8px;
        right: 8px;
    }

    .album-photos {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 4px;
    }

    .album-photos .album-photo {
        border-radius: var(--radius-sm);
    }
}