/* 容器样式 */
.container {
  position: relative;
  min-height: 100vh;
  background-color: #f5f5f5;
  overflow: hidden; /* 防止内容溢出 */
}

/* 聊天容器 */
.chat-container {
  padding: 20rpx 30rpx;
  box-sizing: border-box;
  background-color: #f8f8f8;
  background-image: url('data:image/png;base64,');
  background-size: 300rpx;
  background-blend-mode: overlay;
  background-opacity: 0.05;
  -webkit-overflow-scrolling: touch; /* 增强iOS滚动体验 */
}
.chat-list {
  padding-bottom: 30rpx;
}

/* 消息项 */
.message-item {
  display: flex;
  margin-bottom: 30rpx;
  position: relative;
}
.message-ai {
  justify-content: flex-start;
}
.message-user {
  justify-content: flex-end;
}

/* 头像 */
.avatar-container {
  width: 90rpx;
  height: 90rpx;
  flex-shrink: 0;
}
.avatar {
  width: 90rpx;
  height: 90rpx;
  border-radius: 50%;
  background-color: #e0e0e0;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

/* 消息内容 */
.message-content {
  max-width: 70%;
  margin: 0 20rpx;
  display: flex;
  flex-direction: column;
}
.user-content {
  align-items: flex-end;
}
.message-bubble {
  padding: 24rpx;
  border-radius: 24rpx;
  position: relative;
  margin-bottom: 10rpx;
  word-wrap: break-word;
  min-width: 80rpx;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  max-width: 100%;
}
.ai-bubble {
  background-color: #e8f5e9;
  border-top-left-radius: 4rpx;
}
.user-bubble {
  background-color: #e3f2fd;
  border-top-right-radius: 4rpx;
}
.message-text {
  font-size: 28rpx;
  color: #333;
  line-height: 1.5;
  word-break: break-all;
}
.message-time {
  font-size: 22rpx;
  color: #999;
}

/* 输入区域 */
.input-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #fff;
  padding: 20rpx 30rpx;
  box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.input-wrapper {
  display: flex;
  align-items: flex-end;
}
.message-input {
  flex: 1;
  min-height: 70rpx;
  max-height: 120rpx;
  border-radius: 35rpx;
  background-color: #f5f5f5;
  padding: 15rpx 30rpx;
  font-size: 28rpx;
  color: #333;
  border: 1rpx solid #e0e0e0;
  line-height: 1.4;
}
.send-button {
  margin-left: 16rpx;
  width: 76rpx;
  height: 76rpx;
  border-radius: 50%;
  background-color: transparent;
  background-image: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
  align-self: center;
}
.send-button.disabled {
  background-color: transparent;
  background-image: none;
  opacity: 1;
}
.button-hover {
  transform: scale(0.95);
}
@keyframes pulse {
0% { transform: scale(1);
}
50% { transform: scale(0.95);
}
100% { transform: scale(1);
}
}
.send-button:active:not(.disabled) {
  animation: pulse 0.3s ease-in-out;
}

/* 删除或注释掉之前的样式 */
.send-icon {
  display: none;
}
.send-icon:before {
  display: none;
}
.send-icon-text {
  display: none;
}

/* 推荐问题区域 */
.suggested-questions {
  display: flex;
  white-space: nowrap;
  margin-bottom: 15rpx;
  padding: 5rpx 0;
}
.question-chip {
  display: inline-block;
  padding: 12rpx 20rpx;
  margin-right: 15rpx;
  background-color: #e8f5e9;
  color: #4CAF50;
  font-size: 24rpx;
  border-radius: 30rpx;
  border: 1rpx solid #a5d6a7;
}

/* AI正在输入的样式 */
.message-bubble.ai-bubble.typing {
  background-color: #f0f0f0;
}
.typing-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40rpx;
  padding: 0 20rpx;
}
.typing-dot {
  width: 10rpx;
  height: 10rpx;
  margin: 0 5rpx;
  background-color: #4CAF50;
  border-radius: 50%;
  opacity: 0.5;
  animation: typingAnimation 1.4s infinite both;
}
.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}
.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}
@keyframes typingAnimation {
0% { opacity: 0.3; transform: translateY(0);
}
50% { opacity: 1; transform: translateY(-5rpx);
}
100% { opacity: 0.3; transform: translateY(0);
}
}

/* 关键词高亮 */
.message-text.highlight {
  color: #2E7D32;
  font-weight: 500;
}

/* 欢迎消息特殊样式 */
.welcome {
  background-color: #e3f2fd !important;
  border-left: none !important;
  border-radius: 24rpx !important;
}

/* 日期分割线样式 */
.date-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20rpx 0;
}
.date-separator text {
  background-color: rgba(0, 0, 0, 0.1);
  color: #666;
  font-size: 24rpx;
  padding: 4rpx 20rpx;
  border-radius: 20rpx;
}

/* 纸飞机图标 */
.plane-svg {
  display: none;
}
.send-icon-image {
  width: 76rpx;
  height: 76rpx;
}
.material-icon {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 48rpx;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  color: white;
}

/* 删除不需要的导航栏样式 */
.custom-navbar {
  display: none;
}
.navbar-bg, .navbar-content, .navbar-left, .navbar-title, .navbar-right, .back-icon, .arrow-left {
  display: none;
}