/**
 * Nebula Theme - Widget Styles
 * Version: 1.0.0
 * 侧边栏小工具样式
 */

/* ============================================================================
   通用Widget样式
============================================================================ */
.nebula-widget {
    margin-bottom: 24px;
    background: var(--nebula-widget-bg, #fff);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nebula-widget .widget-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--nebula-text-primary, #1a1a1a);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--nebula-primary, #0066cc);
}

/* ============================================================================
   热门文章Widget (.widget-popular-posts)
============================================================================ */
.widget-popular-posts {
    margin-bottom: 24px;
    background: var(--nebula-widget-bg, #fff);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.widget-popular-posts .widget-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--nebula-text-primary, #1a1a1a);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--nebula-primary, #0066cc);
}

.popular-posts-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.popular-post-item {
    display: flex;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid var(--nebula-border-color, #f0f0f0);
    transition: background 0.2s;
}

.popular-post-item:last-child {
    border-bottom: none;
}

.popular-post-item:hover {
    background: var(--nebula-hover-bg, #f8f9fa);
    margin: 0 -12px;
    padding-left: 12px;
    padding-right: 12px;
}

.popular-post-item .post-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: var(--nebula-bg-secondary, #f5f5f5);
    color: var(--nebula-text-secondary, #666);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-right: 12px;
}

.popular-post-item .post-rank.top1,
.popular-post-item .post-rank.top2,
.popular-post-item .post-rank.top3 {
    background: var(--nebula-primary, #0066cc);
    color: #fff;
}

.popular-post-item .post-rank.top2 {
    background: #f59e0b;
}

.popular-post-item .post-rank.top3 {
    background: #10b981;
}

.popular-post-item .post-link {
    flex: 1;
    font-size: 14px;
    color: var(--nebula-text-primary, #1a1a1a);
    text-decoration: none;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.popular-post-item .post-link:hover {
    color: var(--nebula-primary, #0066cc);
}

.popular-post-item .post-views {
    display: block;
    font-size: 12px;
    color: var(--nebula-text-secondary, #999);
    margin-top: 4px;
}

/* ============================================================================
   最新文章Widget (.nebula-recent-posts-list)
============================================================================ */
.nebula-recent-posts-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nebula-recent-post-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--nebula-border-color, #f0f0f0);
}

.nebula-recent-post-item:last-child {
    border-bottom: none;
}

.nebula-recent-post-item .post-thumbnail {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 6px;
    overflow: hidden;
}

.nebula-recent-post-item .post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nebula-recent-post-item .post-content {
    flex: 1;
    min-width: 0;
}

.nebula-recent-post-item .post-title {
    margin: 0 0 4px 0;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
}

.nebula-recent-post-item .post-title a {
    color: var(--nebula-text-primary, #1a1a1a);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nebula-recent-post-item .post-title a:hover {
    color: var(--nebula-primary, #0066cc);
}

.nebula-recent-post-item .post-date {
    font-size: 12px;
    color: var(--nebula-text-secondary, #999);
}

.nebula-recent-post-item .post-excerpt {
    font-size: 13px;
    color: var(--nebula-text-secondary, #666);
    margin: 4px 0 0 0;
    line-height: 1.5;
}

/* ============================================================================
   最新评论Widget (.nebula-recent-comments-list)
============================================================================ */
.nebula-recent-comments-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nebula-recent-comment-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--nebula-border-color, #f0f0f0);
}

.nebula-recent-comment-item:last-child {
    border-bottom: none;
}

.nebula-recent-comment-item .comment-author {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.nebula-recent-comment-item .comment-avatar {
    flex-shrink: 0;
}

.nebula-recent-comment-item .comment-avatar .avatar-img {
    border-radius: 50%;
}

.nebula-recent-comment-item .comment-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nebula-recent-comment-item .comment-author-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--nebula-text-primary, #1a1a1a);
}

.nebula-recent-comment-item .comment-date {
    font-size: 11px;
    color: var(--nebula-text-secondary, #999);
}

.nebula-recent-comment-item .comment-content {
    padding-left: 42px;
}

.nebula-recent-comment-item .comment-content p {
    margin: 0 0 6px 0;
    font-size: 13px;
    color: var(--nebula-text-secondary, #666);
    line-height: 1.5;
}

.nebula-recent-comment-item .comment-post-link {
    font-size: 12px;
    color: var(--nebula-primary, #0066cc);
    text-decoration: none;
}

.nebula-recent-comment-item .comment-post-link:hover {
    text-decoration: underline;
}

.nebula-no-comments {
    color: var(--nebula-text-secondary, #999);
    font-size: 14px;
    text-align: center;
    padding: 20px 0;
}

/* ============================================================================
   分类目录Widget (.nebula-categories-list)
============================================================================ */
.nebula-categories-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nebula-category-item {
    border-bottom: 1px solid var(--nebula-border-color, #f0f0f0);
}

.nebula-category-item:last-child {
    border-bottom: none;
}

.nebula-category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    color: var(--nebula-text-primary, #1a1a1a);
    text-decoration: none;
    transition: color 0.2s;
}

.nebula-category-link:hover {
    color: var(--nebula-primary, #0066cc);
}

.nebula-category-link .category-name {
    font-size: 14px;
}

.nebula-category-link .category-count {
    font-size: 12px;
    color: var(--nebula-text-secondary, #999);
    background: var(--nebula-bg-secondary, #f5f5f5);
    padding: 2px 8px;
    border-radius: 10px;
}

.nebula-category-link:hover .category-count {
    background: var(--nebula-primary, #0066cc);
    color: #fff;
}

.nebula-no-categories {
    color: var(--nebula-text-secondary, #999);
    font-size: 14px;
    text-align: center;
    padding: 20px 0;
}

/* ============================================================================
   标签云Widget (.nebula-tags-cloud)
============================================================================ */
.nebula-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}

.nebula-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--nebula-bg-secondary, #f5f5f5);
    color: var(--nebula-text-secondary, #666);
    font-size: 13px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s;
}

.nebula-tag:hover {
    background: var(--nebula-primary, #0066cc);
    color: #fff;
    transform: translateY(-1px);
}

.nebula-tag-primary {
    background: var(--nebula-primary, #0066cc);
    color: #fff;
}

.nebula-tag-accent {
    background: var(--nebula-accent, #f59e0b);
    color: #fff;
}

.nebula-no-tags {
    color: var(--nebula-text-secondary, #999);
    font-size: 14px;
    text-align: center;
    padding: 20px 0;
}

/* ============================================================================
   网站统计Widget (.nebula-stats-grid)
============================================================================ */
.nebula-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 8px;
    background: var(--nebula-bg-secondary, #f8f9fa);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-item .stat-icon {
    color: var(--nebula-primary, #0066cc);
    margin-bottom: 8px;
}

.stat-item .stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--nebula-text-primary, #1a1a1a);
    line-height: 1.2;
}

.stat-item .stat-label {
    font-size: 12px;
    color: var(--nebula-text-secondary, #999);
    margin-top: 4px;
}

/* ============================================================================
   关注我们Widget (.nebula-follow-links)
============================================================================ */
.nebula-follow-subtitle {
    font-size: 13px;
    color: var(--nebula-text-secondary, #666);
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.nebula-follow-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.follow-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--nebula-bg-secondary, #f5f5f5);
    border-radius: 6px;
    color: var(--nebula-text-primary, #1a1a1a);
    text-decoration: none;
    transition: all 0.2s;
}

.follow-item:hover {
    background: var(--nebula-primary, #0066cc);
    color: #fff;
    transform: translateX(4px);
}

.follow-item .follow-icon {
    flex-shrink: 0;
}

.follow-item .follow-label {
    font-size: 14px;
    font-weight: 500;
}

/* 微信特殊样式 */
.follow-wechat {
    position: relative;
}

.wechat-qr-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 100;
    background: #fff;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-top: 8px;
}

.follow-wechat:hover .wechat-qr-wrapper {
    display: block;
}

.wechat-qr {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.wechat-desc {
    display: block;
    font-size: 12px;
    color: var(--nebula-text-secondary, #666);
    text-align: center;
    margin-top: 8px;
}

/* ============================================================================
   响应式适配
============================================================================ */
@media (max-width: 768px) {
    .nebula-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .stat-item {
        padding: 12px 4px;
    }

    .stat-item .stat-value {
        font-size: 18px;
    }

    .nebula-widget {
        padding: 16px;
    }

    .nebula-recent-post-item .post-thumbnail {
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 480px) {
    .nebula-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nebula-follow-links {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .follow-item {
        flex: 1 1 calc(50% - 4px);
        justify-content: center;
    }
}

/* ============================================================================
   暗黑模式适配
============================================================================ */
[data-theme="dark"] .nebula-widget,
[data-theme="dark"] .widget-popular-posts {
    background: var(--nebula-dark-widget-bg, #1e1e1e);
}

[data-theme="dark"] .nebula-widget .widget-title,
[data-theme="dark"] .widget-popular-posts .widget-title {
    color: var(--nebula-dark-text-primary, #e5e5e5);
}

[data-theme="dark"] .popular-post-item,
[data-theme="dark"] .nebula-recent-post-item,
[data-theme="dark"] .nebula-recent-comment-item,
[data-theme="dark"] .nebula-category-item {
    border-color: var(--nebula-dark-border-color, #333);
}

[data-theme="dark"] .popular-post-item .post-rank {
    background: var(--nebula-dark-bg-secondary, #2a2a2a);
    color: var(--nebula-dark-text-secondary, #999);
}

[data-theme="dark"] .popular-post-item .post-link,
[data-theme="dark"] .nebula-recent-post-item .post-title a,
[data-theme="dark"] .nebula-category-link {
    color: var(--nebula-dark-text-primary, #e5e5e5);
}

[data-theme="dark"] .popular-post-item .post-views,
[data-theme="dark"] .nebula-recent-post-item .post-date,
[data-theme="dark"] .nebula-recent-comment-item .comment-content p,
[data-theme="dark"] .nebula-category-link .category-count {
    color: var(--nebula-dark-text-secondary, #888);
}

[data-theme="dark"] .nebula-recent-post-item .post-thumbnail {
    opacity: 0.8;
}

[data-theme="dark"] .stat-item {
    background: var(--nebula-dark-bg-secondary, #252525);
}

[data-theme="dark"] .stat-item .stat-value {
    color: var(--nebula-dark-text-primary, #e5e5e5);
}

[data-theme="dark"] .stat-item .stat-icon {
    color: var(--nebula-dark-primary, #4d9fff);
}

[data-theme="dark"] .follow-item,
[data-theme="dark"] .nebula-tag {
    background: var(--nebula-dark-bg-secondary, #2a2a2a);
    color: var(--nebula-dark-text-primary, #e5e5e5);
}

[data-theme="dark"] .wechat-qr-wrapper {
    background: var(--nebula-dark-widget-bg, #1e1e1e);
}

[data-theme="dark"] .nebula-widget:hover,
[data-theme="dark"] .widget-popular-posts:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}