/* 页面容器 - 符合抖音小程序视觉规范 */
.container {
  min-height: 100vh;
  height: 100vh;
  background: #f8f9fa;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: 100rpx;
}

/* 顶部导航栏 */
.nav-bar {
  height: 88rpx;
  background: #ffffff;
  border-bottom: 1rpx solid #e8e8e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32rpx;
  flex-shrink: 0;
}

.nav-left {
  display: flex;
  align-items: center;
}

.nav-logo {
  width: 48rpx;
  height: 48rpx;
  border-radius: 8rpx;
  margin-right: 16rpx;
}

.nav-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.2;
}

.nav-right {
  display: flex;
  align-items: center;
}

.nav-icon {
  font-size: 36rpx;
  color: #666666;
  padding: 8rpx;
}

/* 聊天消息区域 - 完全重写的滚动解决方案 */
.chat-container {
  flex: 1;
  min-height: 0;
  background: #f8f9fa;
  padding: 24rpx 40rpx 40rpx 40rpx;
  overflow-y: auto;
  box-sizing: border-box;
  height: auto;
  -webkit-overflow-scrolling: touch; /* 添加iOS滚动惯性 */
  position: relative;
}

/* 消息项通用样式 */
.message-item {
  display: flex;
  width: 100%;
  box-sizing: border-box;
  padding: 0;
  margin-bottom: 32rpx;
  animation: fadeIn 0.3s ease-out;
}

.message-left {
  justify-content: flex-start;
}

.message-right {
  justify-content: flex-end;
  padding-right: 0;
}

.message-center {
  justify-content: center;
}

/* 头像样式 - 彻底解决显示不全和边框遮挡问题 */
.avatar {
  width: 60rpx; /* 稍微减小宽度，为边框留出更多空间 */
  height: 60rpx; /* 稍微减小高度，保持比例 */
  border-radius: 50%;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30rpx; /* 相应调整字体大小 */
  color: #ffffff;
  flex-shrink: 0;
  margin: 0;
  z-index: 1; /* 避免头像压到固定输入区上层 */
  position: relative;
  overflow: hidden; /* 确保头像内容在容器内完整显示 */
  line-height: 60rpx; /* 让头像文字垂直居中完整显示 */
  min-width: 60rpx; /* 固定最小宽度 */
  min-height: 60rpx; /* 固定最小高度 */
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1); /* 添加阴影增强可见性 */
}

.user-avatar {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
  order: 2;
}

.message-left .avatar {
  margin-right: 12rpx;
}

.message-right .avatar {
  margin-left: 12rpx;
}

/* 消息内容区域 */
.message-content {
  max-width: 440rpx;
  background: #ffffff;
  border-radius: 16rpx;
  padding: 20rpx 24rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
  position: relative;
}

.message-right .message-content {
  background: #4facfe;
}

.message-right .message-content::before {
  content: '';
  position: absolute;
  right: -8rpx;
  top: 20rpx;
  width: 0;
  height: 0;
  border-left: 8rpx solid #4facfe;
  border-top: 8rpx solid transparent;
  border-bottom: 8rpx solid transparent;
}

.message-left .message-content::before {
  content: '';
  position: absolute;
  left: -8rpx;
  top: 20rpx;
  width: 0;
  height: 0;
  border-right: 8rpx solid #ffffff;
  border-top: 8rpx solid transparent;
  border-bottom: 8rpx solid transparent;
}

/* 消息文本 */
.message-text {
  font-size: 28rpx;
  color: #1a1a1a;
  line-height: 1.5;
  word-break: break-word;
  /* 与输入框保持完全一致的字体渲染 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.message-right .message-text {
  color: #ffffff;
}

/* 消息时间 */
.message-time {
  font-size: 20rpx;
  color: #999999;
  margin-top: 8rpx;
  display: block;
}

.message-right .message-time {
  color: rgba(255, 255, 255, 0.8);
  text-align: right;
}

/* 提示消息 */
.tip-content {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20rpx;
  padding: 12rpx 24rpx;
  backdrop-filter: blur(10rpx);
}

.tip-text {
  font-size: 24rpx;
  color: #666666;
  font-style: italic;
}

/* 底部区域：输入区 + 版权信息 */
.bottom-section {
  flex-shrink: 0;
  background: #ffffff;
  border-top: 1rpx solid #e8e8e8;
}

/* 输入区域 */
.input-container {
  background: #ffffff;
  padding: 20rpx 32rpx;
  position: relative;
  box-shadow: 0 -2rpx 12rpx rgba(0, 0, 0, 0.06);
}

.input-wrapper {
  background: #f8f9fa;
  border-radius: 24rpx;
  border: 1rpx solid #e8e8e8;
  position: relative;
  padding: 0;
}

.message-input {
  width: 100%;
  min-height: 120rpx;
  max-height: 200rpx;
  background: transparent;
  border: none;
  font-size: 28rpx; /* 与消息记录完全一致 */
  color: #1a1a1a; /* 与助手消息文本颜色完全一致 */
  line-height: 1.6; /* 优化行高 */
  padding: 16rpx 120rpx 40rpx 16rpx;
  resize: none;
  box-sizing: border-box;
  font-weight: 400; /* 确保字体权重一致 */
  /* 针对 textarea 原生组件的特殊优化 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.message-input::placeholder {
  color: #999999;
  font-size: 28rpx;
}

/* 输入框内部元素 */
.char-count-inside {
  position: absolute;
  bottom: 8rpx;
  right: 100rpx;
  font-size: 20rpx;
  color: #999999;
  z-index: 10;
}

.input-actions {
  position: absolute;
  bottom: 8rpx;
  right: 16rpx;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.send-btn {
  width: 60rpx;
  height: 60rpx;
  border-radius: 50%;
  background: #e8e8e8;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.send-btn.active {
  background: #4facfe;
  box-shadow: 0 2rpx 12rpx rgba(79, 172, 254, 0.4);
}

.send-btn::after {
  border: none;
}

.send-icon {
  font-size: 28rpx;
  color: #ffffff;
  transform: rotate(225deg);
  display: block;
}

.send-btn:not(.active) .send-icon {
  color: #999999;
}

.send-btn:not(.active) {
  background: #e8e8e8;
}

.send-btn:active {
  transform: scale(0.95);
}

/* 加载状态 */
.loading-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-content {
  background: #ffffff;
  border-radius: 16rpx;
  padding: 32rpx;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.loading-dots {
  display: flex;
  gap: 8rpx;
  margin-bottom: 16rpx;
}

.dot {
  width: 12rpx;
  height: 12rpx;
  border-radius: 50%;
  background: #4facfe;
  animation: bounce 1.4s infinite ease-in-out;
}

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

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

.loading-text {
  font-size: 24rpx;
  color: #666666;
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 滚动锚点 */
#bottom-anchor {
  height: 120rpx; /* 给最新消息预留可视缓冲，避免贴到底部输入区边缘 */
}

/* 导航栏下方简介区域 */
.nav-intro-section {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1rpx solid #e8e8e8;
  padding: 16rpx 32rpx;
  text-align: center;
  flex-shrink: 0;
}

.nav-intro-text {
  font-size: 24rpx;
  color: #666666;
  line-height: 1.4;
  display: block;
}

/* 底部版权信息 */
.footer-section {
  background: #ffffff;
  border-top: 1rpx solid #e8e8e8;
  padding: 16rpx 32rpx;
  text-align: center;
  position: relative;
}

/* 顶部标题区域 */
.header {
  text-align: center;
  margin-bottom: 0;
  padding: 20rpx 0 16rpx;
  flex-shrink: 0;
}

.logo-section {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8rpx;
}

.logo {
  width: 80rpx;
  height: 80rpx;
  border-radius: 16rpx;
  margin-right: 12rpx;
}

.app-name {
  font-size: 28rpx;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.3);
  line-height: 1.2;
}

.welcome-text {
  font-size: 20rpx;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.3;
  max-width: 400rpx;
  margin: 0 auto;
  padding: 0 16rpx;
}

/* 功能介绍区域 */
.feature-section {
  margin-bottom: 16rpx;
  flex-shrink: 0;
}

.feature-item {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 16rpx;
  padding: 16rpx;
  margin-bottom: 8rpx;
  display: flex;
  align-items: center;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.feature-item:active {
  transform: scale(0.98);
}

.feature-icon {
  font-size: 32rpx;
  margin-right: 16rpx;
  width: 40rpx;
  text-align: center;
  flex-shrink: 0;
}

.feature-content {
  flex: 1;
  min-width: 0;
}

.feature-title {
  font-size: 22rpx;
  font-weight: 600;
  color: #2c3e50;
  display: block;
  margin-bottom: 4rpx;
  line-height: 1.2;
}

.feature-desc {
  font-size: 18rpx;
  color: #7f8c8d;
  line-height: 1.3;
  display: block;
}

/* 操作按钮区域 */
.action-section {
  display: flex;
  flex-direction: column;
  gap: 8rpx;
  margin-bottom: 16rpx;
  flex-shrink: 0;
}

.primary-btn {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
  color: #ffffff;
  border: none;
  border-radius: 24rpx;
  height: 60rpx;
  font-size: 24rpx;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2rpx 8rpx rgba(255, 107, 107, 0.4);
  transition: all 0.3s ease;
}

.primary-btn::after {
  border: none;
}

.primary-btn:active {
  transform: scale(0.98);
  box-shadow: 0 2rpx 8rpx rgba(255, 107, 107, 0.4);
}

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 移除不使用的样式 */

/* 输入区域 */
.input-section {
  margin-bottom: 16rpx;
  flex-shrink: 0;
}

.legacy-message-input {
  width: 100%;
  height: 120rpx;
  background: #ffffff;
  border: 1rpx solid #e1e8ed;
  border-radius: 12rpx;
  padding: 12rpx;
  font-size: 20rpx;
  color: #2c3e50;
  box-sizing: border-box;
  resize: none;
}

.legacy-message-input::placeholder {
  color: #95a5a6;
  font-size: 20rpx;
}

.char-count {
  font-size: 16rpx;
  color: #7f8c8d;
  text-align: right;
  margin-top: 4rpx;
}

/* 助手回复区域 */
.reply-section {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 12rpx;
  padding: 16rpx;
  margin-bottom: 12rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
  animation: fadeIn 0.4s ease-in-out;
  flex-shrink: 0;
  max-height: 200rpx;
  overflow-y: auto;
}

.reply-header {
  margin-bottom: 8rpx;
}

.reply-title {
  font-size: 22rpx;
  font-weight: 600;
  color: #3498db;
  display: block;
  line-height: 1.2;
}

.reply-content {
  background: #f8f9fa;
  border-radius: 8rpx;
  padding: 12rpx;
  margin-bottom: 8rpx;
}

.reply-text {
  font-size: 20rpx;
  color: #2c3e50;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
}

.reply-actions {
  display: flex;
  justify-content: flex-end;
}

.reply-close-btn {
  background: #95a5a6;
  color: #ffffff;
  border: none;
  border-radius: 20rpx;
  height: 44rpx;
  font-size: 20rpx;
  font-weight: 500;
  padding: 0 20rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reply-close-btn::after {
  border: none;
}

.reply-close-btn:active {
  transform: scale(0.98);
  background: #5a6268;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(16rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 底部信息 */
.footer {
  text-align: center;
  padding: 8rpx 0;
  flex-shrink: 0;
}

.footer-text {
  font-size: 16rpx;
  color: rgba(255, 255, 255, 0.7);
}

.footer-section .footer-text {
  font-size: 20rpx;
  color: #999999;
  line-height: 1.4;
}