.sc-chat-thinking {
  margin: 0 0 8px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 12px;
}
.sc-chat-thinking summary {
  padding: 0 0 7px;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  letter-spacing: .02em;
}
.sc-chat-thinking-body {
  max-height: 180px;
  overflow-y: auto;
  padding: 0 0 8px;
  color: var(--ink-low);
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.45;
}
.sc-chat-answer:empty { display: none; }
.sc-chat-msg--ai .sc-chat-msg-text:has(.sc-chat-thinking:not([hidden])) .sc-chat-answer:empty {
  display: none;
}
.sc-chat-msg--typing .sc-chat-msg-text::before {
  content: 'Thinking';
  margin-right: 8px;
  color: var(--ink-dim);
  font-size: 12px;
}