/* 帖子详情页面容器 */
.post-detail {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 加载状态 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #666;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #ff4757;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 错误状态 */
.error-container {
  text-align: center;
  padding: 60px 20px;
  color: #666;
}

.error-container h2 {
  margin-bottom: 16px;
  color: #333;
}

/* 顶部导航栏 */
.post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: none;
  background: #f8f9fa;
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  font-size: 14px;
  color: #333;
}

.back-btn:hover {
  background: #e9ecef;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: #f8f9fa;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s;
  color: #666;
}

.action-btn:hover {
  background: #e9ecef;
}

.action-btn.active {
  background: #ff4757;
  color: #fff;
}

/* 主要内容区 */
.post-content {
  flex: 1;
  padding: 20px;
}

/* 帖子标题 */
.post-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #2c3e50;
}

/* 作者信息和元数据 */
.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff4757, #ff6b7a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
}

.author-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.author-name {
  font-size: 16px;
  font-weight: 600;
  color: #2c3e50;
}

.post-date {
  font-size: 14px;
  color: #7f8c8d;
}

.post-stats {
  display: flex;
  gap: 16px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #7f8c8d;
  font-size: 14px;
}

/* 标签 */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tag {
  padding: 4px 12px;
  background: #f8f9fa;
  border-radius: 12px;
  font-size: 12px;
  color: #666;
  border: 1px solid #dee2e6;
}

/* 帖子正文 */
.post-body {
  line-height: 1.8;
  font-size: 16px;
  color: #2c3e50;
  margin-bottom: 24px;
}

.post-body p {
  margin-bottom: 16px;
}

/* 类别信息 */
.post-category {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #f8f9fa;
  border-radius: 8px;
  margin-bottom: 20px;
}

.category-label {
  font-size: 14px;
  color: #7f8c8d;
}

.category-name {
  font-size: 14px;
  font-weight: 600;
  color: #ff4757;
}

/* 底部操作栏 */
.post-footer {
  border-top: 1px solid #eee;
  background: #fff;
  position: sticky;
  bottom: 0;
}

.action-bar {
  display: flex;
  justify-content: space-around;
  padding: 12px 20px;
}

.action-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  color: #7f8c8d;
  font-size: 12px;
  border-radius: 8px;
  min-width: 60px;
}

.action-button:hover {
  background: #f8f9fa;
  color: #2c3e50;
}

.action-button.liked {
  color: #ff4757;
}

.action-button.bookmarked {
  color: #ffa726;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .post-detail {
    margin: 0;
  }
  
  .post-title {
    font-size: 24px;
  }
  
  .post-content {
    padding: 16px;
  }
  
  .post-header {
    padding: 12px 16px;
  }
  
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .post-stats {
    align-self: flex-end;
  }
  
  .action-bar {
    padding: 8px 16px;
  }
  
  .action-button {
    font-size: 11px;
    min-width: 50px;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
  background: rgba(255, 71, 87, 0.2);
  color: #2c3e50;
}