.chat-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #F5F5F5;
  position: relative;
}

/* 清空按钮 */
.clear-btn {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6rpx;
  padding: 12rpx 24rpx;
  background-color: #FFFFFF;
  border-top: 1rpx solid #EEEEEE;
}

.clear-btn:active {
  opacity: 0.7;
}

.clear-text {
  font-size: 22rpx;
  color: #999999;
}

/* 消息列表区域 */
.message-list {
  flex: 1;
  padding: 20rpx 0;
}

.message-list.has-messages {
  padding-top: 20rpx;
}

/* 欢迎区域 */
.welcome-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80rpx 40rpx;
  text-align: center;
}

.welcome-icon {
  width: 160rpx;
  height: 160rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF9B33 0%, #FF7A33 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40rpx;
  box-shadow: 0 8rpx 32rpx rgba(255, 155, 51, 0.3);
}

.welcome-title {
  font-size: 40rpx;
  font-weight: 600;
  color: #333333;
  margin-bottom: 16rpx;
}

.welcome-desc {
  font-size: 28rpx;
  color: #999999;
  margin-bottom: 60rpx;
  line-height: 1.6;
}

.quick-questions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20rpx;
}

.quick-item {
  background-color: #FFFFFF;
  padding: 28rpx 32rpx;
  border-radius: 16rpx;
  font-size: 28rpx;
  color: #333333;
  text-align: left;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
  transition: all 0.2s ease;
}

.quick-item:active {
  transform: scale(0.98);
  background-color: #FFF8F0;
}

/* 消息项 */
.message-item {
  display: flex;
  padding: 16rpx 24rpx;
  align-items: flex-start;
}

.message-item.ai {
  justify-content: flex-start;
}

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

/* 头像 */
.avatar {
  width: 72rpx;
  height: 72rpx;
  border-radius: 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ai-avatar {
  background: linear-gradient(135deg, #FF9B33 0%, #FF7A33 100%);
  margin-right: 16rpx;
  padding: 16rpx;
  width: 46rpx;
  height: 46rpx;
}

.user-avatar {
  background: linear-gradient(135deg, #4CAF50 0%, #45A049 100%);
  margin-left: 16rpx;
}

/* 消息内容 */
.message-content {
  display: flex;
  flex-direction: column;
  max-width: 70%;
}

.message-item.user .message-content {
  align-items: flex-end;
}

.message-item.ai .message-content {
  align-items: flex-start;
}

/* 消息气泡 */
.message-bubble {
  padding: 20rpx 24rpx;
  border-radius: 16rpx;
  word-wrap: break-word;
  word-break: break-all;
}

.message-item.ai .message-bubble {
  background-color: #FFFFFF;
  border-top-left-radius: 4rpx;
}

.message-item.user .message-bubble {
  background: linear-gradient(135deg, #FF9B33 0%, #FF7A33 100%);
  border-top-right-radius: 4rpx;
}

.message-text {
  font-size: 28rpx;
  line-height: 1.6;
}

.message-item.ai .message-text {
  color: #333333;
}

.message-item.user .message-text {
  color: #FFFFFF;
}

.message-image {
  max-width: 400rpx;
  border-radius: 8rpx;
}

.message-time {
  font-size: 20rpx;
  color: #999999;
  margin-top: 8rpx;
}

/* 正在输入指示器 */
.typing-bubble {
  padding: 24rpx 32rpx;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 12rpx;
}

.dot {
  width: 16rpx;
  height: 16rpx;
  border-radius: 50%;
  background-color: #CCCCCC;
  animation: typing 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) {
  animation-delay: -0.32s;
}

.dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes typing {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 输入区域 */
.input-area {
  background-color: #FFFFFF;
  padding: 20rpx 24rpx;
  padding-bottom: calc(20rpx + env(safe-area-inset-bottom));
  border-top: 1rpx solid #EEEEEE;
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 16rpx;
}

.message-input {
  flex: 1;
  height: 72rpx;
  background-color: #F5F5F5;
  border-radius: 16rpx;
  padding: 0 28rpx;
  font-size: 28rpx;
  color: #333333;
}

.input-placeholder {
  color: #AAAAAA;
}

.input-actions {
  display: flex;
  align-items: center;
  gap: 16rpx;
}

.action-btn {
  width: 72rpx;
  height: 72rpx;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F5F5F5;
  transition: all 0.2s ease;
}

.send-btn.active {
  background: linear-gradient(135deg, #FF9B33 0%, #FF7A33 100%);
}