/**
 * 4列网格布局 - 图片铺满一行
 * 4-column grid layout - images fill the entire row
 */

/* 主要帖子列表容器 - 强制网格布局 */
.posts-grid,
.posts-list,
.forum-posts-list,
.main-posts-list {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important; /* 4列等宽 */
    gap: 8px !important; /* 减少间隙 */
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 单个帖子项 */
.posts-item,
.post-item,
.forum-post-item {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 6px !important;
    background: var(--main-bg-color) !important;
    border-radius: 6px !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important;
    transition: transform 0.2s ease !important;
}

.posts-item:hover,
.post-item:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1) !important;
}

/* 缩略图容器 - 统一高度 */
.item-thumbnail,
.post-thumbnail,
.forum-thumbnail {
    width: 100% !important;
    height: 160px !important; /* 增加高度到160px */
    margin: 0 !important;
    margin-bottom: 8px !important;
    overflow: hidden !important;
    border-radius: 4px !important;
    position: relative !important;
}

/* 缩略图图片 - 确保填满容器 */
.item-thumbnail img,
.post-thumbnail img,
.forum-thumbnail img,
.fit-cover,
.radius-cover,
img.fit-cover,
img.radius-cover {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    display: block !important;
}

/* 文字内容区域 */
.item-content,
.post-content {
    flex: 1 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
}

/* 标题样式 */
.item-title,
.post-title {
    font-size: 14px !important;
    line-height: 1.3 !important;
    margin: 0 0 6px 0 !important;
    font-weight: 500 !important;
    overflow: hidden !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    text-overflow: ellipsis !important;
}

/* 元信息 */
.item-meta,
.post-meta {
    font-size: 12px !important;
    color: var(--muted-color) !important;
    margin-top: auto !important;
    padding-top: 4px !important;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .posts-grid,
    .posts-list,
    .forum-posts-list,
    .main-posts-list {
        grid-template-columns: repeat(3, 1fr) !important; /* 3列 */
        gap: 6px !important;
    }
}

@media (max-width: 768px) {
    .posts-grid,
    .posts-list,
    .forum-posts-list,
    .main-posts-list {
        grid-template-columns: repeat(2, 1fr) !important; /* 2列 */
        gap: 5px !important;
    }
    
    .item-thumbnail,
    .post-thumbnail {
        height: 140px !important; /* 移动端稍小一些 */
    }
    
    .posts-item,
    .post-item {
        padding: 4px !important;
    }
    
    .item-title,
    .post-title {
        font-size: 13px !important;
    }
}

@media (max-width: 480px) {
    .posts-grid,
    .posts-list,
    .forum-posts-list,
    .main-posts-list {
        grid-template-columns: repeat(2, 1fr) !important; /* 保持2列 */
        gap: 3px !important;
    }
    
    .item-thumbnail,
    .post-thumbnail {
        height: 120px !important; /* 小屏幕进一步减小 */
    }
    
    .item-title,
    .post-title {
        font-size: 12px !important;
        -webkit-line-clamp: 1 !important; /* 小屏幕只显示一行标题 */
    }
}

/* 确保容器不会被其他样式影响 */
.posts-grid .posts-item,
.posts-list .posts-item {
    display: flex !important;
    flex-direction: column !important;
}

/* 移除可能的浮动和定位 */
.posts-item,
.post-item {
    float: none !important;
    position: static !important;
}

/* 特殊情况：如果有其他列表样式，也强制使用网格 */
.forum-main-content .posts-container,
.main-content .posts-container {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 8px !important;
}

/* 论坛页面特殊处理 */
.forum-page .posts-grid,
.forum-page .posts-list {
    padding: 0 8px !important;
}

/* 加载更多按钮 */
.posts-pagination,
.load-more-btn {
    grid-column: 1 / -1 !important; /* 跨越所有列 */
    margin-top: 15px !important;
    text-align: center !important;
}