/* index.less */
.container {
  height: 90vh;
  display: flex;
  flex-direction: column;
  background-color: #fff;
  overflow: hidden;
  position: relative;
  // top: 70px;
  width: 100%;
  // margin-top: 75px;
}
:global {
  .container {
    .am-tabs-tab-bar-wrap {
      display: none;;
    }
    .am-tab-bar-item {
      overflow: hidden;
    }
    .am-navbar-title {
      visibility: hidden;
    }
  }
}
.header {
  background-color: #2c3e50;
  color: white;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.headerTitle {
  font-size: 16px;
  font-weight: bold;
}

.headerSubtitle {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 2px;
}

.headerButton {
  color: white !important;
}

.messageContainer {
  overflow-y: auto;
  padding: 16px;
  background-color: white;
  height: calc(90vh - 180px);
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background-color: white;
  // 👇 关键：防止内容过少时容器高度塌陷
  // min-height: 0; /* 这是 flex 布局中子项能正确收缩的关键 */
  margin-bottom: 60px;
}

.messageItem {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 12px;

  &.userMessage {
    justify-content: flex-end;
  }
}

.messageBubble {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 5px 20px 20px 20px;
  background-color: #f8f9fa;
  color: #333;
  border: 1px solid #e9ecef;

  &.userBubble {
    border-radius: 20px 5px 20px 20px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    color: white;
    border: none;
  }

  &.aiBubble {
    border-radius: 5px 20px 20px 20px;
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #e9ecef;
  }
}

.messageContent {
  font-size: 14px;
  line-height: 1.5;
}

.messageMeta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  font-size: 11px;
  color: #6c757d;
}

.actionButton {
  // 样式已由antd-mobile组件自身处理
}

.inputContainer {
  padding: 12px 16px;
  background-color: white;
  border-top: 1px solid #e9ecef;
  position: fixed;
  bottom: 0;
  height: 80px;
  width: 100%;
  z-index: 999;
}

.inputWrapper {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.inputField {
  flex: 1;
  padding: 12px 16px !important;
  border-radius: 20px !important;
  border: 1px solid #e9ecef !important;
  font-size: 14px !important;
}

.sendButton {
  border-radius: 20px !important;
  padding: 12px 16px !important;
}

.sidebarContainer {
  width: 280px;
  height: 100vh;
  background-color: #f8f9fa;
}

.sidebarHeader {
  padding: 16px;
  background-color: white;
  border-bottom: 1px solid #e9ecef;
}

.sidebarTitle {
  margin: 0;
  font-size: 16px;
}

.presetItem {
  background-color: white !important;
  margin: 8px 16px !important;
  border-radius: 8px !important;
}

.clearItem {
  background-color: white !important;
  margin: 8px 16px !important;
  border-radius: 8px !important;
}

.cursor {
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: #333;
  margin-left: 4px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}