/* 聊天发送硬锁：AI回复完成前禁止继续输入/发送 */

body.xyt-chat-ai-locking textarea,
body.xyt-chat-ai-locking input.chat-input,
body.xyt-chat-ai-locking #chatInput{
  background:#f4ede2!important;
  color:#8d7b6a!important;
  cursor:not-allowed!important;
}

body.xyt-chat-ai-locking button[onclick*="send"],
body.xyt-chat-ai-locking #sendBtn,
body.xyt-chat-ai-locking .send-btn,
body.xyt-chat-ai-locking .chat-send-btn{
  opacity:.55!important;
  cursor:not-allowed!important;
  filter:grayscale(.25)!important;
}

.xyt-ai-lock-tip{
  margin:8px 0 0;
  padding:8px 12px;
  border-radius:12px;
  background:#fff8ea;
  border:1px solid #e2c8a0;
  color:#7b5a38;
  font-size:13px;
  line-height:1.5;
  text-align:center;
}

.xyt-ai-lock-tip::before{
  content:"";
  display:inline-block;
  width:8px;
  height:8px;
  margin-right:7px;
  border-radius:50%;
  background:#a9322b;
  animation:xytPulse 1s infinite ease-in-out;
}

@keyframes xytPulse{
  0%,100%{opacity:.35; transform:scale(.9)}
  50%{opacity:1; transform:scale(1.2)}
}