/*! laoguanTX bundle: content-comments */
/* source: components/post-card.css */
/* ========================================
 * Post Card — 主页/归档页文章卡片
 * 配对组件: components/post-card.php
 *
 * 设计参考 laoguantx.top Astro 版：
 * - 全卡片风景背景 + brightness 暗色遮罩
 * - 桌面端左侧缩略图（clip-path 斜角）
 * - 右侧白色文字内容在暗色遮罩之上
 * ======================================== */

/* --- Post Card 通用基底 --- */
.post {
  margin-bottom: var(--space-10);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base) var(--ease-in-out);
}

/* ==================================================================
 * 归档卡片 — 风景背景 + 暗色遮罩 + 左侧缩略图
 * ================================================================== */
.post:has(.post-excerpt) {
  background-color: var(--color-image-fallback);
  position: relative;
  height: 250px;
  max-width: 1000px;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: row;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

/* 首页及归档页内容区容器加宽，支持 1000px 卡片 */
@media (min-width: 1200px) {
  body.listing .container:has(#main) {
    max-width: 1340px;
  }
}

.post:has(.post-excerpt):hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

/* --- 1. 全卡片背景图 + 暗色遮罩 --- */
.post-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  background: center / cover no-repeat;
  filter: brightness(0.85);
  z-index: 0;
}

@media (min-width: 768px) {
  .post-bg {
    filter: brightness(0.8) blur(12px);
    transform: scale(1.5);
  }
}

/* 偶数卡片：缩略图居右，内容居左，clip-path 镜像 */
.post:has(.post-excerpt):nth-child(even) {
  flex-direction: row-reverse;
}

.post:has(.post-excerpt):nth-child(even) .post-thumb {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6% 100%);
}

/* --- 2. 左侧缩略图（桌面端） --- */
.post-thumb {
  display: none; /* 移动端隐藏 */
}

@media (min-width: 768px) {
  .post-thumb {
    display: block;
    position: relative;
    z-index: 1;
    flex: 0 0 33.333%;
    width: 33.333%;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 94% 100%, 0 100%);
  }
}

.post-thumb-inner {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.post-thumb-inner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
  will-change: transform;
}

.post:has(.post-excerpt):hover .post-thumb-inner img {
  transform: scale(1.05) rotate(0.5deg);
}

/* --- 3. 右侧内容面板 --- */
.post-body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 桌面端：左侧缩略图占据 1/3，右侧占满剩余空间 */
@media (min-width: 768px) {
  .post-body {
    padding: 16px 28px;
    flex: 1;
    min-width: 0;
  }
}

/* 标签区底部间距固定 */
.post:has(.post-excerpt):has(.post-tags) .post-body {
  padding-bottom: 12px;
}

/* --- Post Title (归档卡片白色) --- */
.post:has(.post-excerpt) .post-title {
  margin: 0 0 var(--space-2);
  color: #ffffff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.post:has(.post-excerpt) .post-title a {
  color: #ffffff;
  text-decoration: none;
}

/* --- Post Meta (内页单行 - 保持不变) --- */
.post-meta {
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  list-style: none;
}

.post-meta li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border);
}

.post-meta li:first-child {
  padding-left: 0;
  border-left: none;
}

.post-meta a {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

.post-meta a:hover {
  color: var(--color-primary);
}

/* --- Archive Card Meta Rows (归档卡片白色信息栏) --- */
.post:has(.post-excerpt) .post-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  color: #ffffff;
  margin: var(--space-2) 0;
}

.post:has(.post-excerpt) .post-meta-row .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.post:has(.post-excerpt) .post-meta-row .meta-item + .meta-item::before {
  content: "|";
  margin: 0 var(--space-2);
  color: inherit;
  opacity: 0.3;
}

.post:has(.post-excerpt) .meta-pinned {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

/* 信息栏图标上色 */
.post:has(.post-excerpt) .meta-date iconify-icon     { color: #f59e0b; }
.post:has(.post-excerpt) .meta-modified iconify-icon { color: #3b82f6; }
.post:has(.post-excerpt) .meta-views iconify-icon    { color: #22c55e; }
.post:has(.post-excerpt) .meta-words iconify-icon    { color: #a855f7; }

/* 分类文字默认白色，悬浮变主题色；图标保持金色 */
.post:has(.post-excerpt) .meta-category iconify-icon { color: #eab308; }
.post:has(.post-excerpt) .meta-comments iconify-icon { color: #0ea5e9; }
.post:has(.post-excerpt) .meta-category a {
  color: #ffffff;
  font-weight: var(--font-medium);
  text-decoration: none;
}
.post:has(.post-excerpt) .meta-category a:hover {
  color: var(--color-primary);
}

/* --- Archive Card Excerpt (归档卡片白色摘要) --- */
.post:has(.post-excerpt) .post-excerpt {
  margin: 0;
  line-height: 1.5;
  text-align: center;
  color: #ffffff;
  font-size: var(--text-base);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  word-wrap: break-word;
  overflow-wrap: break-word;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3rem;
}

/* --- Post Tags (归档卡片白色标签) --- */
.post:has(.post-excerpt) .post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--text-sm);
}

.post:has(.post-excerpt) .post-tags > iconify-icon {
  flex-shrink: 0;
  margin-right: var(--space-1);
  color: #ef4444;
}

.post:has(.post-excerpt) .tag-sep {
  color: var(--color-text-muted);
  opacity: 0.3;
  font-size: var(--text-base);
  user-select: none;
}

.post:has(.post-excerpt) .tag-item {
  display: inline-block;
  padding: 0 var(--space-3);
  line-height: 1.2;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: background var(--transition-fast) var(--ease-in-out),
              border-color var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.post:has(.post-excerpt) .tag-item:hover {
  background: #ef4444;
  border-color: #ef4444;
  color: #ffffff;
}

/* ==================================================================
 * 内页文章 — 与其他卡片一致的透明模糊效果
 * ================================================================== */
.post:not(:has(.post-excerpt)) {
  padding: var(--space-6);
  margin-bottom: 0;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.post:not(:has(.post-excerpt)):hover {
  box-shadow: var(--shadow-md);
}

.post:not(:has(.post-excerpt)) .post-title {
  font-size: var(--text-xl);
  margin: 0 0 var(--space-3);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

.post:not(:has(.post-excerpt)) .post-title a {
  color: var(--color-text-primary);
  transition: color var(--transition-fast) var(--ease-in-out);
}

.post:not(:has(.post-excerpt)) .post-title a:hover {
  color: var(--color-primary);
}

.post:not(:has(.post-excerpt)) .post-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.post:not(:has(.post-excerpt)) .post-meta-row .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.post:not(:has(.post-excerpt)) .post-meta-row .meta-item + .meta-item::before {
  content: "|";
  margin: 0 var(--space-2);
  color: var(--color-text-muted);
  opacity: 0.35;
}

.post:not(:has(.post-excerpt)) .meta-date iconify-icon     { color: #f59e0b; }
.post:not(:has(.post-excerpt)) .meta-modified iconify-icon { color: #3b82f6; }
.post:not(:has(.post-excerpt)) .meta-views iconify-icon    { color: #22c55e; }
.post:not(:has(.post-excerpt)) .meta-words iconify-icon    { color: #a855f7; }
.post:not(:has(.post-excerpt)) .meta-category iconify-icon { color: #eab308; }

.post:not(:has(.post-excerpt)) .post-excerpt {
  margin: var(--space-3) 0 0;
  line-height: var(--leading-relaxed);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.post:not(:has(.post-excerpt)) .post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-base);
}

.post:not(:has(.post-excerpt)) .post-tags > iconify-icon {
  flex-shrink: 0;
  margin-right: var(--space-1);
  color: #ef4444;
}

.post:not(:has(.post-excerpt)) .tag-sep {
  color: var(--color-text-muted);
  opacity: 0.35;
  font-size: var(--text-base);
  user-select: none;
}

.post:not(:has(.post-excerpt)) .tag-item {
  display: inline-block;
  padding: 0 var(--space-3);
  line-height: 1.2;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: background var(--transition-fast) var(--ease-in-out),
              border-color var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.post:not(:has(.post-excerpt)) .tag-item:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* --- 通用 Centered Title --- */
.post-title.post-title-centered {
  text-align: center;
  font-size: var(--text-3xl);
}

/* --- 响应式 (移动) --- */
@media (max-width: 767px) {
  .post {
    margin-bottom: var(--space-6);
    border-radius: var(--radius-md);
  }

  .post:has(.post-excerpt) {
    height: 190px;
  }

  .post-body {
    padding: 8px 14px;
  }

  .post:has(.post-excerpt) .post-title {
    margin: 0 0 var(--space-1);
    font-size: var(--text-2xl);
  }

  .post-title.post-title-centered {
    font-size: var(--text-lg);
  }

  .post:has(.post-excerpt) .post-meta-row {
    font-size: var(--text-sm);
    margin: var(--space-1) 0;
  }

  .post:has(.post-excerpt) .post-meta-row .meta-item + .meta-item::before {
    margin: 0 var(--space-1);
  }

  .post:has(.post-excerpt) .post-excerpt {
    font-size: var(--text-sm);
    max-height: calc(2em * 1.5);
    min-height: unset;
  }

  .post:has(.post-excerpt) .post-tags {
    font-size: var(--text-xs);
    margin-top: var(--space-2);
    padding-top: var(--space-1);
  }

  .post:has(.post-excerpt) .tag-item {
    padding: 0 var(--space-1);
    font-size: var(--text-xs);
  }

  /* 移动端底部间距 */
  .post:has(.post-excerpt):has(.post-tags) .post-body {
    padding-bottom: 10px;
  }

  /* 内页移动样式 */
  .post:not(:has(.post-excerpt)) {
    padding: var(--space-4);
  }
}

/* 桌面标题字号 */
@media (min-width: 768px) {
  .post-title {
    font-size: var(--text-2xl);
  }
}

/* source: components/post-content.css */
/* ========================================
 * Post Content — 文章正文排样 / 上下一篇 / 分页导航
 * 配对组件: components/post-content.php、components/post-near.php、
 *           components/page-navigator.php
 * ======================================== */

/* --- Post Content --- */
.post-content {
  font-size: var(--content-font-size, var(--text-base));
  line-height: var(--leading-relaxed);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.post-content p {
  margin-bottom: var(--space-4);
}

/* ========================================
 * 文章标题
 * H2: 主题色下边框
 * H3: 主题色左圆头短条
 * H4: 无额外装点
 * ======================================== */
.post-content h2 {
  position: relative;
  margin-top: var(--space-10);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: 1.5;
  border-bottom: 2px solid var(--color-primary);
}

.post-content h3 {
  position: relative;
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  padding-left: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: 1.55;
}

/* H3 左侧圆头短条装点 */
.post-content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  background: var(--color-primary);
  border-radius: 999px;
}

.post-content h4 {
  position: relative;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  line-height: 1.55;
}

/* H4 左侧主题色圆点 */
.post-content h4::before {
  content: '';
  display: inline-block;
  width: 0.35em;
  height: 0.35em;
  margin-right: 0.3em;
  background: var(--color-primary);
  border-radius: 50%;
  vertical-align: middle;
}
/* ========================================
 * 标题悬浮效果
 * 悬浮变主题色 + 右侧淡入 Iconify 锚点图标
 * ======================================== */
.post-content h2,
.post-content h3,
.post-content h4 {
  transition: color var(--transition-base) ease;
}

.post-content h2:hover,
.post-content h3:hover,
.post-content h4:hover {
  color: var(--color-primary);
}

/* Iconify 锚点图标：等大、居中、悬停淡入 */
.post-content .heading-anchor-icon {
  margin-left: 10px;
  vertical-align: -7%;
  font-size: 1em;
  color: color-mix(in srgb, var(--color-primary) 60%, transparent);
  opacity: 0;
  transition: opacity var(--transition-base) ease;
  cursor: pointer;
  pointer-events: auto;
}

.post-content .heading-anchor-icon + .heading-anchor-icon {
  margin-left: 2px;
}

.post-content h2:hover .heading-anchor-icon,
.post-content h3:hover .heading-anchor-icon,
.post-content h4:hover .heading-anchor-icon {
  opacity: 1;
}

.post-content ul,
.post-content ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.post-content li {
  margin-bottom: var(--space-2);
}

.post-content img,
.post-content video {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
}

.post-content a {
  color: var(--color-primary);
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.post-content a:hover {
  color: var(--color-primary-dark);
  background: color-mix(in srgb, var(--color-bg-secondary) 93%, var(--color-primary) 7%);
}

.post-content a img {
  display: block;
  background: transparent;
}

/* --- MathJax 数学公式 --- */
.post-content mjx-container {
  font-size: 1.05em;
  line-height: 1.2;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--color-primary) 30%, transparent) transparent;
}

.post-content mjx-container::-webkit-scrollbar {
  height: 6px;
}
.post-content mjx-container::-webkit-scrollbar-track {
  background: transparent;
}
.post-content mjx-container::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-full);
}
.post-content mjx-container::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--color-primary) 50%, transparent);
}

.post-content mjx-container[display="true"] {
  display: block;
  margin: var(--space-4) 0;
  text-align: center;
  padding: var(--space-2) 0;
}

/* --- Post Navigation (上一篇 / 下一篇) --- */
.post-near {
  margin: var(--space-8) 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.post-near li {
  margin: 0;
  padding: var(--space-4);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition-fast) var(--ease-in-out);
}

.post-near li:hover {
  border-color: var(--color-primary);
}

.post-near a {
  font-weight: var(--font-medium);
}

/* --- Page Navigator (分页) --- */
.page-navigator {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-1);
  margin: var(--space-8) 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}

.page-navigator li {
  display: inline-block;
}

.page-navigator a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast) var(--ease-in-out);
}

.page-navigator a:hover {
  background: color-mix(in srgb, var(--color-bg-secondary) 92%, var(--color-primary) 8%);
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.page-navigator .current a {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* --- Post Copyright 版权卡片 --- */
.post-copyright {
  position: relative;
  overflow: hidden;
  margin: var(--space-8) 0 0 0;
  padding: var(--space-5);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.6;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.post-copyright-bg-icon {
  position: absolute;
  right: -0.08em;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14em;
  color: var(--color-text-muted);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.post-copyright-body {
  position: relative;
  z-index: 1;
}

.post-copyright-item {
  display: flex;
  align-items: baseline;
  margin-bottom: var(--space-1);
}

.post-copyright-label {
  flex-shrink: 0;
  width: 6em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.post-copyright-label iconify-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3em;
  margin-right: 0.25em;
  font-size: 1.1em;
  color: var(--color-primary);
}

.post-copyright-sep {
  width: 1px;
  height: 1.1em;
  background: var(--color-border);
  margin: 0 var(--space-1);
  align-self: center;
  flex-shrink: 0;
}

.post-copyright-value {
  flex: 1;
  color: var(--color-text-primary);
}

.post-copyright-value a {
  color: var(--color-primary);
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.post-copyright-value a:hover {
  color: var(--color-primary-dark);
  background: color-mix(in srgb, var(--color-bg-secondary) 93%, var(--color-primary) 7%);
}

/* --- 响应式 (移动) --- */
@media (max-width: 767px) {
  .page-navigator a {
    min-width: 32px;
    height: 32px;
    font-size: var(--text-xs);
  }

  .post-copyright {
    padding: var(--space-4);
  }

  .post-copyright-item {
    flex-direction: column;
    margin-bottom: var(--space-2);
  }

  .post-copyright-label {
    width: auto;
    margin-bottom: var(--space-1);
  }

  .post-copyright-sep {
    display: none;
  }
}

.page-navigator-list {
  display: contents;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* source: components/comments.css */
/* ========================================
 * Comments — 评论区
 * 配对组件: components/comments.php
 * ======================================== */

/* --- Section Header --- */
#comments {
  margin-top: var(--space-8);
}

#comments > h3 {
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-4);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* --- Comment List --- */
.comment-list,
.comment-list ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Nested comment container — single card with left theme accent bar */
.comment-list .comment-list {
  margin-left: var(--space-8);
  padding: var(--space-3) 0;
  margin-top: var(--space-3);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Nested child comments inside the container — no individual cards */
.comment-list .comment-list li {
  margin-bottom: 0;
  padding: var(--space-3) var(--space-5);
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.comment-list .comment-list li:not(:last-child) {
  border-bottom: 1px solid var(--color-border-light);
}

.comment-list .comment-list li:hover {
  border-color: transparent;
  box-shadow: none;
}

/* Author badge positioning fix inside nested container */
.comment-list .comment-list li.comment-by-author {
  border-left: none;
}

.comment-list .comment-list li.comment-by-author:hover {
  border-color: transparent;
}

/* Nested comment container — slight gap from parent */
.comment-children {
  padding-top: 4px;
}

/* --- Comment Card --- */
.comment-list li {
  position: relative;
  margin-bottom: var(--space-4);
  padding: var(--space-5);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition-fast) var(--ease-in-out),
              box-shadow var(--transition-fast) var(--ease-in-out),
              transform var(--transition-fast) var(--ease-in-out);
}

.comment-list li:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

/* --- Author Comment (keep card look, badge only) --- */
.comment-list li.comment-by-author {
  border-left: 3px solid var(--color-primary);
}

.comment-list li.comment-by-author:hover {
  border-color: var(--color-primary);
}

/* Author badge — absolute top-right pill */
.comment-list li.comment-by-author::before {
  content: "作者";
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 2px var(--space-3);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  line-height: 1.4;
}

/* --- Comment Meta Row --- */
.comment-meta {
  margin-bottom: var(--space-2);
}

.comment-meta a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast) var(--ease-in-out);
}

.comment-meta a:hover {
  color: var(--color-primary);
}

/* --- UA Badge (OS / Browser) --- */
.comment-ua {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-2);
  vertical-align: middle;
}

.comment-ua-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  line-height: 1.6;
}

.comment-ua-item iconify-icon {
  font-size: 12px;
  flex-shrink: 0;
}

/* --- Comment Author --- */
.comment-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.comment-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  transition: transform var(--transition-base) var(--ease-in-out);
}

.comment-author .avatar:hover {
  transform: scale(1.1) rotate(360deg);
}

.comment-author cite {
  font-weight: var(--font-semibold);
  font-style: normal;
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

/* --- Comment Content --- */
.comment-content {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  word-wrap: break-word;
  margin-bottom: var(--space-3);
}

.comment-content p {
  margin: 0 0 var(--space-2);
}

.comment-content p:last-child {
  margin-bottom: 0;
}

.comment-content strong,
.comment-content b {
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.comment-content em,
.comment-content i {
  font-style: italic;
}

.comment-content a {
  color: var(--color-primary);
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.comment-content a:hover {
  color: var(--color-primary-dark);
  background: color-mix(in srgb, var(--color-bg-secondary) 93%, var(--color-primary) 7%);
}

.comment-content code {
  padding: 1px var(--space-1);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-text-primary);
}

.comment-content pre {
  margin: var(--space-3) 0;
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.comment-content blockquote {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-4);
  border-left: 3px solid var(--color-primary);
  background: color-mix(in srgb, var(--color-bg-secondary) 92%, var(--color-primary) 8%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-primary);
}

.comment-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* --- Reply Link --- */
.comment-list li .comment-reply {
  text-align: right;
}

.comment-list li .comment-reply a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast) var(--ease-in-out),
              border-color var(--transition-fast) var(--ease-in-out),
              background var(--transition-fast) var(--ease-in-out);
}

.comment-list li .comment-reply a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-bg-secondary) 92%, var(--color-primary) 8%);
}

/* --- Nested Respond (reply form inside thread) --- */
.comment-list .respond {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ========================================
 * Comment Form — 评论表单
 * ======================================== */

.respond {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Cancel reply link */
.respond .cancel-comment-reply {
  float: right;
  margin-top: 0;
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.respond .cancel-comment-reply a {
  display: inline-block;
  padding: 2px var(--space-3);
  color: var(--color-text-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  transition: color var(--transition-fast) var(--ease-in-out),
              border-color var(--transition-fast) var(--ease-in-out),
              background var(--transition-fast) var(--ease-in-out);
}

.respond .cancel-comment-reply a:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: #fef2f2;
}

/* Form title */
#response {
  margin: 0 0 var(--space-5);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

/* --- Logged-in info --- */
#comment-form .logged-in-info {
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
}

#comment-form .logged-in-info a {
  color: var(--color-primary);
  font-weight: var(--font-medium);
  text-decoration: none;
}

#comment-form .logged-in-info a:hover {
  text-decoration: underline;
}

/* --- Three-column field row (desktop) --- */
.comment-form-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 var(--space-4);
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .comment-form-fields {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Form Labels --- */
#comment-form label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

#comment-form .required:after {
  content: " *";
  color: var(--color-danger);
}

/* --- Input Fields --- */
#comment-form input[type="text"],
#comment-form input[type="email"],
#comment-form input[type="url"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  box-sizing: border-box;
  transition: border-color var(--transition-fast) var(--ease-in-out),
              box-shadow var(--transition-fast) var(--ease-in-out);
}

#comment-form input[type="text"]:focus,
#comment-form input[type="email"]:focus,
#comment-form input[type="url"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-bg-secondary) 82%, var(--color-primary) 18%);
}

#comment-form input::placeholder {
  color: var(--color-text-muted);
}

/* --- Textarea --- */
#comment-form textarea {
  width: 100%;
  min-height: 140px;
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  resize: vertical;
  box-sizing: border-box;
  transition: border-color var(--transition-fast) var(--ease-in-out),
              box-shadow var(--transition-fast) var(--ease-in-out);
}

#comment-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-bg-secondary) 82%, var(--color-primary) 18%);
}

/* --- Format hint below textarea --- */
.comment-format-hint {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.comment-format-hint code {
  padding: 1px var(--space-1);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-text-secondary);
}

/* --- Form paragraphs --- */
#comment-form p {
  margin-bottom: var(--space-4);
}

#comment-form p:last-of-type {
  margin-bottom: 0;
}

/* --- Submit Button --- */
#comment-form .submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  font-family: var(--font-sans);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast) var(--ease-in-out),
              transform var(--transition-fast) var(--ease-in-out),
              box-shadow var(--transition-fast) var(--ease-in-out);
}

#comment-form .submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

#comment-form .submit:active {
  transform: translateY(0);
}

#comment-form .submit iconify-icon {
  font-size: var(--text-lg);
}

/* --- Submit Row (submit + emoji toggle side by side) --- */
.comment-submit-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  position: relative;
}

/* --- Emoji Toggle Button --- */
.emoji-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-xl);
  line-height: 1;
  transition: color var(--transition-fast) var(--ease-in-out),
              border-color var(--transition-fast) var(--ease-in-out),
              background var(--transition-fast) var(--ease-in-out),
              box-shadow var(--transition-fast) var(--ease-in-out);
}

.emoji-toggle:hover,
.emoji-toggle.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-bg-secondary) 92%, var(--color-primary) 8%);
}

.emoji-toggle iconify-icon {
  font-size: 20px;
}

/* --- Emoji Picker Popup --- */
.emoji-picker {
  display: none;
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 0;
  z-index: 100;
  width: 340px;
  max-height: 320px;
  padding: var(--space-3);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow-y: auto;
}

.emoji-picker.active {
  display: block;
  animation: emoji-fade-in 0.15s ease-out;
}

@keyframes emoji-fade-in {
  from {
    opacity: 0;
    transform: translateY(4px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Category header */
.emoji-picker-category {
  margin: var(--space-2) 0 var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.emoji-picker-category:first-child {
  margin-top: 0;
}

/* Emoji grid */
.emoji-picker-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
}

/* Individual emoji button */
.emoji-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-lg);
  line-height: 1;
  transition: background var(--transition-fast) var(--ease-in-out),
              transform var(--transition-fast) var(--ease-in-out);
}

.emoji-item:hover {
  background: var(--color-primary);
  transform: scale(1.25);
}

/* Scrollbar for the picker */
.emoji-picker::-webkit-scrollbar {
  width: 4px;
}

.emoji-picker::-webkit-scrollbar-track {
  background: transparent;
}

.emoji-picker::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

/* --- Page Nav (pagination) --- */
.page-navigator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-4) 0;
  list-style: none;
}

.page-navigator li {
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.page-navigator li:hover {
  border: none;
  box-shadow: none;
}

.page-navigator a,
.page-navigator .current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast) var(--ease-in-out),
              color var(--transition-fast) var(--ease-in-out);
}

.page-navigator a {
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.page-navigator a:hover {
  background: color-mix(in srgb, var(--color-bg-secondary) 92%, var(--color-primary) 8%);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

.page-navigator .current {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.page-navigator .prev,
.page-navigator .next {
  font-size: var(--text-xs);
}

/* --- Responsive --- */
@media (max-width: 639px) {
  #comments {
    margin-top: var(--space-6);
  }

  .comment-list .comment-list {
    margin-left: var(--space-4);
    padding-left: var(--space-3);
  }

  .comment-list li {
    padding: var(--space-4);
  }

  .respond {
    padding: var(--space-4);
  }

  #comment-form .submit {
    width: 100%;
    justify-content: center;
  }
}