/* Single post page styles (loaded only on single post pages) */
.single-post-section {
  padding-top: 100px;
  padding-bottom: 80px;
}

.single-post-content {
  max-width: var(--container-max-width, 1100px);
  margin: 0 auto;
}

.post-header {
  margin-bottom: 18px;
}

.post-title {
  font-size: 2rem;
  margin: 8px 0 12px;
  line-height: 1.2;
}

.post-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.post-featured-image .featured-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 18px;
}

.post-content {
  margin-top: 10px;
  line-height: 1.8;
}

.post-footer {
  margin-top: 28px;
}

/* Single post back button and category icon styles */
.post-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  margin-right: 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-color);
  cursor: pointer;
}
.post-back-btn:hover {
  background: var(--card-bg);
}
.post-categories .post-category-wrap {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
}
.post-categories .category-home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  color: var(--text-color);
  text-decoration: none;
}
.post-categories .category-home i {
  font-size: 0.9rem;
}

/* Moved from 12-news.css: additional single-post specific styles */
.single-post {
  max-width: var(--container-max-width, 1320px);
  margin: 0 auto;
  background-color: transparent;
  border-radius: 0;
  padding: 0;
  border: none;
}

[data-theme="light"] .single-post-content {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 40px;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .single-post {
  background-color: #ffffff;
}

[data-theme="dark"] .single-post {
  background-color: var(--bg-color);
}

[data-theme="dark"] .single-post-content {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 40px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.post-header {
  margin-bottom: 30px;
  padding-bottom: 0;
  border-bottom: none;
}

.post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.post-category {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.3s ease;
}

.post-category:hover {
  transform: translateY(-2px);
}

.post-title {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text-color);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.95rem;
  color: var(--text-color);
  opacity: 0.8;
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.post-meta .post-author img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.sticky-posts-section {
  margin-bottom: 60px;
}

.news-category-sticky {
  display: flex;
  gap: 8px;
}

.sticky-icon {
  color: var(--primary-color);
  font-size: 20px;
  display: flex;
  margin-left: 20px;
}

.sticky-icon .dashicons {
  width: 20px;
  height: 20px;
  font-size: 20px;
}

.news-sticky-icon .sticky-icon {
  margin-left: 0;
  margin-right: 0;
}

.sticky-highlight {
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sticky-highlight:hover {
  border-color: var(--primary-color);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.post-featured-image {
  margin: 30px 0;
  border-radius: 10px;
  overflow: hidden;
}

.featured-image {
  width: 100%;
  height: auto;
  display: block;
}

.post-content {
  margin: 30px 0;
  line-height: 1.8;
  color: var(--text-color);
  font-size: 1.1rem;
}

.post-content p {
  margin-bottom: 20px;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--text-color);
}

.post-content a {
  color: var(--primary-color);
  text-decoration: underline;
}

.post-content a:hover {
  color: var(--secondary-color);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 20px 0;
}

.post-content ul,
.post-content ol {
  margin: 20px 0;
  padding-left: 30px;
}

.post-content li {
  margin-bottom: 10px;
}

.post-footer {
  margin-top: 40px;
  padding-top: 0;
  border-top: none;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.tags-label {
  font-weight: 600;
  color: var(--text-color);
  margin-right: 10px;
}

.tags-label i {
  color: var(--primary-color);
  margin-right: 5px;
}

.post-tag {
  display: inline-block;
  background-color: var(--bg-lighter);
  color: var(--text-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  transition: all 0.3s ease;
}

.post-tag:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* 文章导航 */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 60px;
  padding-top: 0;
  border-top: none;
}

.nav-previous,
.nav-next {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-previous:hover,
.nav-next:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 20px;
  text-decoration: none;
  color: var(--text-color);
  gap: 15px;
}

.nav-next .nav-link {
  flex-direction: row;
  text-align: left;
}

.nav-content {
  flex: 1;
}

.nav-label {
  display: block;
  font-size: 0.85rem;
  color: var(--primary-color);
  margin-bottom: 5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space:nowrap;
}

.nav-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.nav-link i {
  font-size: 1.2rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .single-post-content {
    background-color: transparent !important;
    padding: 0 !important;
    border:none !important;
    box-shadow: none !important;
  }

  .nav-content {
    flex: 1;
    min-width: 0;
  }

  .nav-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
  }

  .nav-link {
    padding: 15px;
    gap: 10px;
  }

  .post-navigation {
    gap: 15px;
  }
}