/*
 * 博客详情页轻侧栏样式
 * 设计目标：
 * 1) 维持正文阅读优先级；
 * 2) 侧栏仅提供目录、作者、推荐三种高价值信息；
 * 3) 不包含订阅模块，符合当前站点阶段需求。
 */

/* 详情容器背景与整体层级控制 */
.blog-detail-lite {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 220px, #ffffff 100%);
}

/* 主文章容器：增加留白与卡片质感，提升长文阅读舒适度 */
.blog-detail-lite__article {
    background: #ffffff;
    border: 1px solid #edf1f7;
    border-radius: 14px;
    padding: 28px 28px 32px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.04);
}

/* 文章头部布局：类别徽标 + 元信息 + 摘要 */
.blog-detail-lite__header {
    margin-bottom: 24px;
}

.blog-detail-lite__category {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(58, 151, 255, 0.12);
    color: #1f6dca;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 12px;
}

.blog-detail-lite__excerpt {
    margin-top: 12px;
    margin-bottom: 0;
    color: #4b5563;
    line-height: 1.85;
    font-size: 15px;
}

/* 首图样式：吸收内容优先模板的大图展示能力 */
.blog-detail-lite__hero {
    margin: 0 0 24px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.blog-detail-lite__hero img {
    display: block;
    width: 100%;
    height: auto;
}

/* 正文排版微调：保证和现有富文本修复样式兼容 */
.blog-detail-lite__content {
    font-size: 16px;
    color: #374151;
}

.blog-detail-lite__content h2,
.blog-detail-lite__content h3,
.blog-detail-lite__content h4 {
    scroll-margin-top: 130px;
}

/* 侧栏容器：使用 sticky 让目录在桌面端可持续可见 */
.blog-detail-lite__sidebar {
    position: sticky;
    top: 120px;
    display: grid;
    gap: 16px;
}

/* 侧栏通用卡片样式 */
.blog-detail-widget {
    background: #ffffff;
    border: 1px solid #edf1f7;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.blog-detail-widget__title {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 700;
    color: #111827;
}

.blog-detail-widget__empty {
    margin: 0;
    font-size: 13px;
    color: #9ca3af;
}

/* 目录列表 */
.blog-detail-toc-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 6px;
}

.blog-detail-toc-list li a {
    display: block;
    padding: 8px 10px;
    border-left: 2px solid transparent;
    border-radius: 8px;
    color: #4b5563;
    text-decoration: none;
    line-height: 1.45;
    font-size: 14px;
    transition: all 0.2s ease;
}

.blog-detail-toc-list li a:hover,
.blog-detail-toc-list li a.is-active {
    background: #f3f7ff;
    border-left-color: var(--thm-base);
    color: #0f5ec4;
}

/* 二级标题与三级标题做缩进区分，增强目录层级辨识 */
.blog-detail-toc-list li[data-level="3"] a {
    padding-left: 20px;
    font-size: 13px;
    color: #6b7280;
}

/* 作者信息卡片 */
.blog-detail-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.blog-detail-author__avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3a97ff, #1f6dca);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.blog-detail-author__meta {
    display: grid;
    gap: 2px;
}

.blog-detail-author__meta strong {
    color: #111827;
    font-size: 14px;
}

.blog-detail-author__meta span {
    color: #6b7280;
    font-size: 12px;
}

/* 推荐文章列表 */
.blog-detail-related-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.blog-detail-related-list__item {
    border-bottom: 1px dashed #e5e7eb;
    padding-bottom: 10px;
}

.blog-detail-related-list__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.blog-detail-related-list__item a {
    display: block;
    color: #1f2937;
    line-height: 1.5;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.blog-detail-related-list__item a:hover {
    color: var(--thm-base);
}

.blog-detail-related-list__item span {
    display: inline-block;
    margin-top: 3px;
    color: #9ca3af;
    font-size: 12px;
}

/* 目录为空时的表现：避免出现空白大模块 */
.blog-detail-widget--toc.is-empty .blog-detail-toc-list {
    display: none;
}

.blog-detail-widget--toc:not(.is-empty) .blog-detail-widget__empty {
    display: none;
}

/* 响应式：平板以下取消 sticky，防止遮挡正文滚动 */
@media (max-width: 991.98px) {
    .blog-detail-lite__article {
        padding: 22px 18px 24px;
    }

    .blog-detail-lite__sidebar {
        position: static;
        margin-top: 20px;
    }
}

/* Root token alignment for blog detail layout.
 * 说明：轻侧栏详情页只统一页面底色、正文容器、目录卡片、作者卡片和相关推荐卡片，不干预正文内容结构。
 */
.blog-detail-lite {
    background: var(--astro-detail-page-bg) !important;
}

.blog-detail-lite__article,
.blog-detail-widget {
    background: var(--astro-surface-card) !important;
    border: var(--astro-detail-border) !important;
    border-radius: var(--astro-radius-lg) !important;
    box-shadow: var(--astro-shadow-sm) !important;
}

.blog-detail-lite__article:hover,
.blog-detail-widget:hover {
    border-color: var(--astro-border-strong) !important;
    box-shadow: var(--astro-shadow-md) !important;
}

.blog-detail-lite__category,
.blog-detail-toc-list li a,
.blog-detail-related-list__item span {
    border-radius: var(--astro-radius-pill) !important;
}

.blog-detail-lite__category,
.blog-detail-toc-list li a:hover,
.blog-detail-toc-list li a.is-active {
    background: rgba(var(--v2-primary-500-rgb), 0.10) !important;
    color: var(--astro-color-primary-700) !important;
}

.blog-detail-lite__hero {
    border-radius: var(--astro-radius-lg) !important;
    box-shadow: var(--astro-shadow-md) !important;
}

.blog-detail-lite__content h2,
.blog-detail-lite__content h3,
.blog-detail-lite__content h4,
.blog-detail-widget__title,
.blog-detail-author__meta strong,
.blog-detail-related-list__item a {
    color: var(--astro-text-primary) !important;
}

.blog-detail-lite__excerpt,
.blog-detail-lite__content,
.blog-detail-widget__empty,
.blog-detail-author__meta span,
.blog-detail-related-list__item span {
    color: var(--astro-text-muted) !important;
}