/* ============================================================
   团队大脑 · AI 大脑（brain_chat.js）：对话页 / AI 助手浮窗 / 智能体 / 会议纪要 / SOP
   类名 ds-bn-chat- 前缀；只用设计令牌 var(--xxx)，深色模式自动跟随。
   ============================================================ */

.ds-bn-chat {
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 1em; align-items: stretch;
  height: calc(100vh - 150px); min-height: 520px;
}
.ds-bn-chat > * { min-width: 0; }
@media (max-width: 900px) {
  .ds-bn-chat { grid-template-columns: minmax(0, 1fr); height: auto; }
  .ds-bn-chat-side { max-height: 260px; }
}
.ds-bn-chat-flex { flex: 1; }
.ds-bn-chat-grow { flex: 1; min-width: 0; }
.ds-bn-chat-pad { padding: .4em .5em; }

/* 左栏 */
.ds-bn-chat-side {
  display: flex; flex-direction: column; gap: .35em; overflow-y: auto; min-width: 0;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: .8em .6em;
}
.ds-bn-chat-new { width: 100%; }
.ds-bn-chat-sec {
  display: flex; align-items: center; justify-content: space-between; gap: .5em; white-space: nowrap;
  font-size: 11.5px; font-weight: 650; color: var(--muted); margin: .7em .3em .15em;
}
.ds-bn-chat-sec > span { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.ds-bn-chat-convlist, .ds-bn-chat-agentlist { display: flex; flex-direction: column; gap: 1px; }
.ds-bn-chat-conv {
  display: flex; align-items: center; gap: .35em; padding: .42em .55em; border-radius: var(--radius-sm);
  cursor: pointer; color: var(--text-2); min-width: 0; font-size: 13px;
}
.ds-bn-chat-conv:hover { background: var(--hover); }
.ds-bn-chat-conv.on { background: var(--info-bg); color: var(--primary); }
.ds-bn-chat-conv-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-bn-chat-conv-acts { display: none; gap: .4em; white-space: nowrap; font-size: 12px; }
.ds-bn-chat-conv:hover .ds-bn-chat-conv-acts { display: inline-flex; }
.ds-bn-chat-rename { width: 100%; box-sizing: border-box; padding: 2px 6px; }
.ds-bn-chat-badge {
  white-space: nowrap; font-size: 10.5px; color: var(--info); background: var(--info-bg);
  border-radius: 999px; padding: 0 .5em;
}
.ds-bn-chat-agent {
  display: flex; align-items: center; gap: .5em; padding: .4em .5em; border-radius: var(--radius-sm); cursor: pointer; min-width: 0;
}
.ds-bn-chat-agent:hover { background: var(--hover); }
.ds-bn-chat-agent.off { opacity: .55; }
.ds-bn-chat-agent-av { font-size: 18px; width: 26px; text-align: center; white-space: nowrap; }
.ds-bn-chat-agent-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.ds-bn-chat-agent-name { color: var(--text); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-bn-chat-agent-sub { font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 右侧主区 */
.ds-bn-chat-main {
  display: flex; flex-direction: column; min-width: 0; min-height: 0; position: relative;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
}
.ds-bn-chat-head {
  display: flex; align-items: center; gap: .5em; padding: .6em .9em; border-bottom: 1px solid var(--border-2);
  flex-wrap: wrap;
}
.ds-bn-chat-title { font-weight: 650; color: var(--text); min-width: 0; max-width: 40%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-bn-chat-mode { display: inline-flex; align-items: center; gap: 0; white-space: nowrap; }
.ds-bn-chat-seg {
  border: 1px solid var(--border); background: var(--card-bg); color: var(--text-2); cursor: pointer;
  padding: .22em .8em; font-size: 12.5px; white-space: nowrap;
}
.ds-bn-chat-seg:first-child { border-radius: 999px 0 0 999px; }
.ds-bn-chat-seg:nth-child(2) { border-radius: 0 999px 999px 0; border-left: 0; }
.ds-bn-chat-seg.on { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.ds-bn-chat-quota { margin-left: .5em; font-size: 12px; }
.ds-bn-chat-body { flex: 1; min-height: 0; position: relative; display: flex; flex-direction: column; }
.ds-bn-chat-msgs { flex: 1; min-height: 0; overflow-y: auto; padding: 1em 1.1em; display: flex; flex-direction: column; gap: 1em; }
.ds-bn-chat-latest {
  position: absolute; left: 50%; bottom: .8em; transform: translateX(-50%); white-space: nowrap;
  background: var(--card-bg); border: 1px solid var(--border); box-shadow: var(--shadow-md); border-radius: 999px;
}
.ds-bn-chat-drop {
  position: absolute; inset: .5em; display: flex; align-items: center; justify-content: center; text-align: center;
  border: 2px dashed var(--primary); border-radius: var(--radius); background: var(--info-bg); color: var(--primary);
  font-weight: 600; padding: 1em; z-index: 5; pointer-events: none;
}

/* 空态 */
.ds-bn-chat-empty { margin: auto; max-width: 560px; color: var(--text-2); line-height: 1.8; padding: 1em; }
.ds-bn-chat-empty.small { margin: .4em 0; padding: .2em; }
.ds-bn-chat-empty-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: .3em; }
.ds-bn-chat-empty-desc { font-size: 13px; }
.ds-bn-chat-empty ul { padding-left: 1.3em; margin: .5em 0; font-size: 13px; }
.ds-bn-chat-examples { display: flex; flex-direction: column; gap: .35em; margin-top: .6em; }
.ds-bn-chat-example {
  text-align: left; border: 1px solid var(--border); background: var(--card-bg); color: var(--text-2);
  border-radius: var(--radius-sm); padding: .4em .7em; cursor: pointer; font-size: 12.5px;
}
.ds-bn-chat-example:hover { background: var(--hover); color: var(--primary); }

/* 消息 */
.ds-bn-chat-msg { display: flex; flex-direction: column; gap: .3em; min-width: 0; }
.ds-bn-chat-msg.user { align-items: flex-end; }
.ds-bn-chat-msg.asst { flex-direction: row; align-items: flex-start; gap: .6em; }
.ds-bn-chat-msg.result {
  align-self: center; background: var(--success-bg); color: var(--success); border-radius: var(--radius-sm);
  padding: .2em .9em; font-size: 12.5px; max-width: 90%;
}
.ds-bn-chat-msg.result .ds-bn-md p { margin: 0; }
.ds-bn-chat-who { font-size: 11.5px; color: var(--muted); }
.ds-bn-chat-bubble {
  background: var(--info-bg); color: var(--text); border-radius: 12px 12px 2px 12px; padding: .55em .85em;
  max-width: 80%; white-space: pre-wrap; word-break: break-word; line-height: 1.7;
}
.ds-bn-chat-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--hover); display: flex; align-items: center;
  justify-content: center; font-size: 16px; flex: none; white-space: nowrap;
}
.ds-bn-chat-asst-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .4em; color: var(--text); }
.ds-bn-chat-thinking { font-size: 12.5px; }
.ds-bn-chat-tools { font-size: 11.5px; color: var(--muted); }
.ds-bn-chat-ops { display: flex; gap: .9em; flex-wrap: wrap; font-size: 12px; white-space: nowrap; }
.ds-bn-chat-msg:not(:hover) .ds-bn-chat-ops .ds-link-btn { opacity: .55; }
.ds-bn-chat-doctip { font-size: 12.5px; color: var(--success); background: var(--success-bg); border-radius: var(--radius-sm); padding: .3em .7em; }
.ds-bn-chat-chips { display: flex; flex-wrap: wrap; gap: .35em; }
.ds-bn-chat-chip {
  display: inline-flex; align-items: center; gap: .25em; white-space: nowrap; max-width: 100%;
  border: 1px solid var(--border); background: var(--card-bg); color: var(--text-2);
  border-radius: 999px; padding: .1em .6em; font-size: 12px; overflow: hidden; text-overflow: ellipsis;
}
.ds-bn-chat-chip.warn { border-color: var(--warning); color: var(--warning); background: var(--warning-bg); }
.ds-bn-chat-x { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 0 0 0 .2em; font-size: 13px; }
.ds-bn-chat-x:hover { color: var(--danger); }

/* 动作确认卡片 */
.ds-bn-chat-card {
  border: 1px solid var(--primary); border-radius: var(--radius-sm); padding: .6em .8em; display: flex;
  flex-direction: column; gap: .45em; background: var(--card-bg);
}
.ds-bn-chat-card.done { border-color: var(--success); }
.ds-bn-chat-card.cancelled { border-color: var(--border); opacity: .7; }
.ds-bn-chat-card-title { font-weight: 650; font-size: 13px; color: var(--text); }
.ds-bn-chat-card-row { display: flex; align-items: center; gap: .45em; min-width: 0; flex-wrap: wrap; }
.ds-bn-chat-card-row .ds-input { min-width: 0; }
.ds-bn-chat-card-ta { width: 100%; box-sizing: border-box; font-family: inherit; }
.ds-bn-chat-card-foot { display: flex; align-items: center; justify-content: flex-end; gap: .5em; flex-wrap: wrap; }
.ds-bn-chat-lbl { font-size: 12px; color: var(--muted); white-space: nowrap; width: 3.5em; }
.ds-bn-chat-date { width: 9.5em; }
.ds-bn-chat-time { width: 6.5em; }
.ds-bn-chat-people { display: inline-flex; flex-wrap: wrap; gap: .3em; align-items: center; min-width: 0; }
.ds-bn-chat-ok { color: var(--success); font-size: 12.5px; }
.ds-bn-chat-cols { display: flex; flex-direction: column; gap: .3em; }

/* 输入区 */
.ds-bn-chat-composer { border-top: 1px solid var(--border-2); padding: .6em .8em; display: flex; flex-direction: column; gap: .45em; }
.ds-bn-chat-input { width: 100%; box-sizing: border-box; resize: vertical; min-height: 60px; max-height: 40vh; }
.ds-bn-chat-bar { display: flex; align-items: center; gap: .45em; flex-wrap: wrap; }
.ds-bn-chat-hint { font-size: 11.5px; white-space: nowrap; }
.ds-bn-chat-warn {
  background: var(--warning-bg); color: var(--warning); border-radius: var(--radius-sm); padding: .35em .7em;
  font-size: 12.5px; white-space: pre-wrap;
}
.ds-bn-chat-warntext { color: var(--warning); font-size: 12.5px; }

/* 弹窗里的表单块 */
.ds-bn-chat-form { display: flex; flex-direction: column; gap: .6em; }
.ds-bn-chat-field { display: flex; align-items: center; gap: .6em; min-width: 0; flex-wrap: wrap; margin: .3em 0; }
.ds-bn-chat-field > span:first-child { font-size: 12.5px; color: var(--text-2); white-space: nowrap; min-width: 4em; }
.ds-bn-chat-field.col { flex-direction: column; align-items: stretch; }
.ds-bn-chat-field.col .ds-textarea { width: 100%; box-sizing: border-box; }
.ds-bn-chat-check { display: inline-flex; align-items: center; gap: .35em; white-space: nowrap; margin-right: 1em; font-size: 13px; color: var(--text-2); }
.ds-bn-chat-emoji { width: 4em; text-align: center; }
.ds-bn-chat-block { border: 1px solid var(--border-2); border-radius: var(--radius-sm); padding: .7em .9em; margin-bottom: .8em; }
.ds-bn-chat-block-title { font-weight: 650; color: var(--text); margin-bottom: .3em; }
.ds-bn-chat-pick { display: flex; flex-direction: column; gap: .3em; }
.ds-bn-chat-pickrow {
  text-align: left; border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
  border-radius: var(--radius-sm); padding: .5em .8em; cursor: pointer;
}
.ds-bn-chat-pickrow:hover { background: var(--hover); }
.ds-bn-chat-reflist { max-height: 50vh; overflow-y: auto; margin-top: .6em; display: flex; flex-direction: column; gap: 1px; }
.ds-bn-chat-refrow { display: flex; align-items: center; gap: .45em; padding: .35em .4em; border-radius: var(--radius-sm); cursor: pointer; min-width: 0; }
.ds-bn-chat-refrow:hover { background: var(--hover); }
.ds-bn-chat-reftitle { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }

/* 会议纪要 */
.ds-bn-chat-meet-head { margin-bottom: .6em; color: var(--text-2); }
.ds-bn-chat-meet-list { display: flex; flex-direction: column; gap: .5em; max-height: 58vh; overflow-y: auto; }
.ds-bn-chat-meet-item { border: 1px solid var(--border-2); border-radius: var(--radius-sm); padding: .55em .8em; display: flex; flex-direction: column; gap: .25em; }
.ds-bn-chat-meet-item.skip { opacity: .75; }
.ds-bn-chat-meet-content { color: var(--text); font-weight: 600; cursor: text; word-break: break-word; }
.ds-bn-chat-assign { display: flex; align-items: center; gap: .5em; flex-wrap: wrap; }

/* SOP */
.ds-bn-chat-sop-title { font-weight: 700; color: var(--text); margin-bottom: .5em; }
.ds-bn-chat-rem { display: flex; align-items: center; gap: .5em; font-size: 12.5px; color: var(--text-2); margin-top: .4em; flex-wrap: wrap; }

/* 浮窗 */
.ds-bn-chat-float { position: fixed; right: 22px; bottom: 22px; z-index: 900; }
.ds-bn-chat-fab {
  border: 0; border-radius: 999px; background: var(--primary); color: var(--on-primary); cursor: pointer;
  padding: .65em 1.1em; font-size: 13.5px; font-weight: 600; box-shadow: var(--shadow-md); white-space: nowrap;
}
.ds-bn-chat-fab:hover { background: var(--primary-600); }
.ds-bn-chat-panel {
  position: absolute; right: 0; bottom: 3.4em; width: min(400px, 92vw); height: min(560px, 72vh);
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; overflow: hidden;
}
.ds-bn-chat-panel[hidden] { display: none; }
.ds-bn-chat-panel-head { display: flex; align-items: center; gap: .5em; padding: .55em .8em; border-bottom: 1px solid var(--border-2); white-space: nowrap; }
.ds-bn-chat-panel-msgs { padding: .7em .8em; gap: .7em; }
.ds-bn-chat-panel-input { border-top: 1px solid var(--border-2); padding: .5em .7em; display: flex; flex-direction: column; gap: .35em; }
.ds-bn-chat-panel .ds-bn-chat-warn, .ds-bn-chat-panel .ds-bn-chat-chips { margin: 0 .7em; }
.ds-bn-chat-panel .ds-bn-chat-bubble { max-width: 90%; }

/* 管理面板 */
.ds-bn-chat-admin-wrap { min-width: 0; }

/* ===== 深度复核结果（消息复核 / SOP 审查共用）===== */
.ds-bn-chat-review-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 6px; }
.ds-bn-chat-review-sum { line-height: 1.7; margin-bottom: 6px; }
.ds-bn-chat-review-tip { margin-bottom: 10px; line-height: 1.6; }
.ds-bn-chat-review-item { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0;
  border-top: 1px solid var(--border-2); line-height: 1.6; min-width: 0; }
.ds-bn-chat-review-item:first-of-type { border-top: 0; }
.ds-bn-chat-review-item > div { min-width: 0; }
.ds-bn-chat-review-item .ds-badge { flex: none; white-space: nowrap; }
.ds-bn-chat-review-dot { flex: none; color: var(--muted); }
.ds-bn-chat-review-advice { line-height: 1.7; }
.ds-bn-chat-review { margin-top: 12px; }