/* 评论系统样式 */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border);
}

.comments-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* 评论表单 */
.comment-form-container {
  background: var(--code-bg);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.comment-form label {
  font-weight: 500;
  color: var(--primary);
  font-size: 0.9rem;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--theme);
  color: var(--primary);
  transition: border-color 0.3s ease;
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.comment-form textarea {
  resize: vertical;
  min-height: 100px;
}

.char-count {
  text-align: right;
  font-size: 0.85rem;
  color: var(--secondary);
  margin-top: 0.25rem;
}

.submit-btn {
  align-self: flex-start;
  padding: 0.75rem 2rem;
  background: var(--primary);
  color: var(--theme);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 120px;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 评论列表 */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comment-item {
  background: var(--code-bg);
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.comment-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
}

.comment-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.comment-name {
  font-weight: 600;
  color: var(--primary);
  font-size: 1rem;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--secondary);
  flex-wrap: wrap;
}

.comment-location {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--theme);
  border-radius: 12px;
  font-size: 0.8rem;
}

.comment-location::before {
  content: "📍";
  font-size: 0.9rem;
}

.comment-time {
  color: var(--secondary);
}

.comment-content {
  color: var(--primary);
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin-top: 0.5rem;
}

/* 加载和空状态 */
.loading,
.no-comments {
  text-align: center;
  padding: 2rem;
  color: var(--secondary);
  font-size: 0.95rem;
}

/* 成功消息 */
.comment-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}

.comment-success.show {
  display: block;
}

/* 错误消息 */
.comment-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}

.comment-error.show {
  display: block;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .comment-form-container {
    padding: 1rem;
  }

  .comment-item {
    padding: 1rem;
  }

  .comment-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .comment-meta {
    font-size: 0.8rem;
  }
}

/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
  .comment-form input,
  .comment-form textarea {
    background: var(--theme);
  }
}