/**
 * 评论系统样式
 * 与网站整体风格保持一致的评论组件样式
 */

/* 评论区域容器 */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comments-title .icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

/* 评论表单 */
.comment-form {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
}

.comment-form:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.comment-form-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.comment-form-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
}

.comment-form-user {
  font-weight: 500;
  color: var(--color-text);
}

.comment-textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
  resize: vertical;
  transition: all 0.3s ease;
}

.comment-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.comment-textarea::placeholder {
  color: var(--color-text-secondary);
}

.comment-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.comment-char-count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.comment-char-count.warning {
  color: #f59e0b;
}

.comment-char-count.error {
  color: #ef4444;
}

.comment-submit-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comment-submit-btn:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.comment-submit-btn:disabled {
  background: var(--color-text-secondary);
  cursor: not-allowed;
  transform: none;
}

.comment-submit-btn .icon {
  width: 16px;
  height: 16px;
}

/* 登录提示 */
.comment-login-prompt {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.comment-login-prompt .icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.comment-login-prompt h3 {
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.comment-login-prompt p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.comment-login-btn {
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.comment-login-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* 评论列表 */
.comments-list {
  space-y: 1rem;
}

.comment-item {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.comment-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

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

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.comment-author-info {
  display: flex;
  flex-direction: column;
}

.comment-username {
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.9rem;
}

.comment-time {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.comment-actions {
  display: flex;
  gap: 0.5rem;
}

.comment-delete-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.comment-delete-btn:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.comment-delete-btn .icon {
  width: 16px;
  height: 16px;
}

.comment-content {
  color: var(--color-text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* 空状态 */
.comments-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-secondary);
}

.comments-empty .icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.comments-empty h3 {
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

/* 加载状态 */
.comments-loading {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-secondary);
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

/* 消息提示动画 */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .comments-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
  }
  
  .comment-form,
  .comment-item {
    padding: 1rem;
  }
  
  .comment-form-header,
  .comment-author {
    gap: 0.5rem;
  }
  
  .comment-form-avatar,
  .comment-avatar {
    width: 28px;
    height: 28px;
  }
  
  .comment-textarea {
    min-height: 80px;
    font-size: 0.85rem;
  }
  
  .comment-form-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  
  .comment-submit-btn {
    justify-content: center;
  }
}