/* ============================================================
 * lib/components/chat-window.css · 仿微信一对一聊天窗
 * 只使用 tokens.css 的 --chat-* 与 --bg-*/--text-*/--radius-*，双主题自适应。
 * ============================================================ */
chat-window { display: block; width: 100%; }
chat-window .cw {
  max-width: 400px;
  margin: 0 auto;
  background: var(--chat-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-2);
}
chat-window .cw-empty { padding: 24px; text-align: center; color: var(--text-4); }

/* 顶部条 */
chat-window .cw-bar {
  padding: 10px 14px;
  background: var(--chat-bar-bg);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--chat-bar-text);
  font-size: 13px;
  letter-spacing: .05em;
}
chat-window .cw-bar .cw-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .7;
  letter-spacing: .08em;
}

/* 消息区 */
chat-window .cw-body { padding: 14px 13px; display: flex; flex-direction: column; gap: 7px; }

chat-window .cw-time {
  text-align: center;
  color: var(--chat-time);
  font-size: 11px;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}
chat-window .cw-divider {
  text-align: center;
  color: var(--chat-time);
  font-size: 11px;
  margin: 6px 0;
  letter-spacing: .1em;
}

/* 一条消息 */
chat-window .cw-msg {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  max-width: 100%;
}
chat-window .cw-msg.out { flex-direction: row-reverse; }

chat-window .cw-ava {
  flex: 0 0 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--chat-avatar-bg);
  color: var(--chat-avatar-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

chat-window .cw-bub {
  max-width: 74%;
  padding: 6px 11px;
  border-radius: 2px 8px 8px 8px;
  background: var(--chat-in-bg);
  color: var(--chat-in-text);
  word-break: break-word;
}
chat-window .cw-msg.out .cw-bub {
  border-radius: 8px 2px 8px 8px;
  background: var(--chat-out-bg);
  color: var(--chat-out-text);
}
chat-window .cw-bub b { font-weight: 700; }

/* 转账卡 */
chat-window .cw-bub-transfer {
  border: 1px solid var(--chat-card-border);
  background: var(--chat-card-bg);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
chat-window .cw-tf-label { color: var(--chat-link); font-weight: 700; font-size: 12px; }
chat-window .cw-tf-amt { font-size: 17px; font-weight: 700; color: var(--brand-ok); }

/* 图片消息 */
chat-window .cw-img { width: 100%; border-radius: 6px; }
chat-window .cw-cap { margin-top: 4px; font-size: 12px; color: var(--chat-time); }

/* 引语 */
chat-window .cw-bub-quote { border-left: 3px solid var(--chat-link); }
chat-window .cw-q-src { margin-top: 4px; font-size: 11px; color: var(--chat-time); }

/* 底部条 */
chat-window .cw-foot {
  padding: 8px 14px;
  background: var(--chat-bar-bg);
  border-top: 1px solid var(--border-subtle);
  color: var(--chat-time);
  font-size: 11px;
  font-family: var(--font-mono);
  text-align: center;
  letter-spacing: .06em;
}