/* ===== 云枢智控 · AI工作群 前端样式（mobile.workchat.css） =====
   AI工作群第一版 模块①：会话列表（微信首页式）+ 单聊对话流 + @选人 + 长按菜单 + NotifyBanner。
   复用 --accent/--card/--border/--text 主题变量，亮暗主题自动跟随。
   仅被 /static/mobile.html 引用。单文件 ≤500 行。 */

/* ===== 两屏布局：flex 纵向（顶栏/列表/输入条），内部滚动 ===== */
#screen-workchat.active, #screen-workchat-dialog.active{display:flex;flex-direction:column}
.wc-msg-center{border:none;background:var(--accent-soft);color:var(--accent);border-radius:14px;padding:6px 10px;font-size:12px;font-weight:600;flex-shrink:0}
.wc-tabs{padding:8px 14px 0;flex-shrink:0}

/* ===== NotifyBanner：轮巡提示横幅（3s 自动隐藏，JS 控显隐） ===== */
.wc-banner{
  position:sticky;top:0;z-index:20;display:none;margin:8px 14px 0;padding:9px 12px;
  background:var(--accent-grad);color:#fff;border-radius:10px;font-size:13px;font-weight:600;
  box-shadow:var(--card-shadow);flex-shrink:0;
}
.wc-banner.show{display:block}

/* ===== 会话列表 ===== */
.wc-list{flex:1;overflow-y:auto;min-height:0;padding:8px 14px 20px;-webkit-overflow-scrolling:touch}
.wc-row{
  display:flex;align-items:center;gap:10px;padding:11px 12px;margin-bottom:8px;
  background:var(--card);border:1px solid var(--border);border-left:3px solid transparent;
  border-radius:12px;cursor:pointer;box-shadow:var(--card-shadow);
  -webkit-user-select:none;user-select:none;touch-action:manipulation;
}
.wc-row:active{background:var(--bar-bg)}
.wc-row-red{border-left-color:#ff3b30}   /* toBoss/atBoss 未读标红 */
.wc-avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:var(--accent-grad);color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.wc-main{flex:1;min-width:0}
.wc-row-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.wc-name{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wc-time{font-size:11px;color:var(--sub);flex-shrink:0}
.wc-row-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:2px}
.wc-preview{font-size:13px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.wc-badge{
  min-width:18px;height:18px;padding:0 5px;border-radius:9px;flex-shrink:0;
  background:#ff3b30;color:#fff;font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}

/* ===== 长按「📨 发消息」菜单（底部滑入 sheet） ===== */
.wc-menu-mask{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center}
.wc-menu-panel{width:100%;max-width:480px;background:var(--card);border-radius:16px 16px 0 0;padding:14px 14px calc(20px + env(safe-area-inset-bottom))}
.wc-menu-title{text-align:center;font-size:13px;color:var(--sub);margin-bottom:10px}
.wc-menu-btn{display:block;width:100%;min-height:46px;border:none;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-size:16px;font-weight:600;margin-bottom:8px;cursor:pointer}
.wc-menu-btn:active{opacity:.85}
.wc-menu-btn.cancel{background:var(--bar-bg);color:var(--text)}

/* ===== @选人弹层 ===== */
.wc-at-mask{position:fixed;inset:0;z-index:9998;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center}
.wc-at-panel{width:84%;max-width:360px;max-height:70vh;background:var(--card);border-radius:14px;display:flex;flex-direction:column;overflow:hidden}
.wc-at-title{text-align:center;font-size:14px;font-weight:700;color:var(--text);padding:12px 0;border-bottom:1px solid var(--border);flex-shrink:0}
.wc-at-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:6px 10px}
.wc-at-item{display:block;width:100%;text-align:left;min-height:44px;padding:0 12px;border:none;background:none;color:var(--text);font-size:16px;border-radius:8px;cursor:pointer}
.wc-at-item:active{background:var(--bar-bg)}
.wc-at-cancel{flex-shrink:0;border:none;background:var(--bar-bg);color:var(--text);font-size:14px;min-height:44px;cursor:pointer}

/* ===== 单聊对话流（微信式） ===== */
.wcd-list{flex:1;overflow-y:auto;min-height:0;padding:14px 12px 20px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}
.wcd-more{text-align:center;color:var(--sub);font-size:12px;padding:6px 0;cursor:pointer;flex-shrink:0}
.wcd-bubble-row{display:flex;flex-direction:column;max-width:100%}
.wcd-bubble-row.mine{align-items:flex-end}
.wcd-bubble-row.theirs{align-items:flex-start}
.wcd-bubble{
  max-width:70%;padding:9px 12px;border-radius:12px;font-size:16px;line-height:1.55;
  word-break:break-word;white-space:pre-wrap;border:1px solid var(--border);background:var(--card);color:var(--text);
  border-bottom-left-radius:4px;   /* 总整改单⑧: 对方白底灰字,尾巴=左下4pt小圆角 */
}
.wcd-bubble-row.mine .wcd-bubble{
  background:var(--accent);color:#fff;border-color:transparent;   /* 总整改单⑧: 自己纯色#007AFF(禁渐变),右下4pt尾巴 */
  border-bottom-left-radius:12px;border-bottom-right-radius:4px;
}
.wcd-bubble.flag-red{border:1.5px solid #ff3b30}   /* toBoss/atBoss 标红 */
.wcd-bubble-row.mine .wcd-bubble.flag-red{border-color:#ff3b30}
.wcd-bubble .doc-attach{background:rgba(255,255,255,.6);color:#1a6fd8}
.wcd-bubble-row.mine .doc-attach{background:rgba(255,255,255,.25);color:#fff}
.wcd-time{font-size:10px;color:var(--sub);margin-top:3px}
.wcd-think{margin-bottom:6px}
.wcd-think-bar{font-size:12px;color:var(--sub);cursor:pointer}
.wcd-think-body{display:block;font-size:12px;color:var(--sub);background:var(--bar-bg);border-radius:8px;padding:6px 8px;margin-top:4px}

/* ===== 单聊输入条（@选人 + 润色开关 + 发送） ===== */
.wcd-input{flex-shrink:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--border)}
.wcd-input textarea{
  width:100%;min-height:40px;max-height:96px;resize:none;border:1px solid var(--border);border-radius:12px;
  padding:9px 12px;font-size:16px;background:var(--bg);color:var(--text);outline:none;
}
.wcd-input-row{display:flex;align-items:center;gap:8px;margin-top:6px}
.wc-at-btn{
  width:34px;height:34px;border-radius:50%;border:none;background:var(--accent-soft);color:var(--accent);
  font-size:16px;font-weight:700;cursor:pointer;flex-shrink:0;
}
.wc-at-btn:active{opacity:.85}
.wcd-send{
  width:36px;height:36px;border-radius:50%;border:none;background:var(--accent-grad);color:#fff;
  font-size:16px;line-height:1;cursor:pointer;flex-shrink:0;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
}
.wcd-send:active{opacity:.85}