/* Chat 页面样式 */

.chat-container {
  display: flex;
  height: 100vh;
}

.chat-sidebar {
  width: 280px;
  border-right: 1px solid #e8e8e8;
  overflow-y: auto;
  background: #fafafa;
  padding: 16px;
}

.chat-header {
  padding: 16px;
  border-bottom: 1px solid #e8e8e8;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header-title {
  font-size: 16px;
  font-weight: 600;
}

.chat-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.chat-message {
  margin-bottom: 12px;
  display: flex;
  justify-content: flex-start;
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message-bubble {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: 6px;
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-message-bubble.user {
  background: #1890ff;
  color: #fff;
}

.chat-message-bubble.assistant {
  background: #f0f0f0;
  color: #000;
}

.chat-input-area {
  padding: 16px;
  border-top: 1px solid #e8e8e8;
  display: flex;
  gap: 8px;
}

.chat-session-item {
  padding: 8px;
  margin-bottom: 8px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid #d9d9d9;
  transition: all 0.3s;
}

.chat-session-item:hover {
  background: #f5f5f5;
}

.chat-session-item.active {
  background: #e6f7ff;
  border: 1px solid #1890ff;
}

.chat-session-title {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-session-date {
  font-size: 11px;
  color: #999;
  margin-top: 4px;
}