/* panels.css — 好友选择弹窗 / 房间列表面板（源文件行 1091-1214，保持原顺序） */
  /* ===== 工具栏新按钮 ===== */
  .toolbar-btn{
    width:36px;height:36px;border-radius:8px;border:none;
    background:rgba(74,158,255,.15);color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;position:relative;font-size:14px;transition:all .15s;
  }
  .toolbar-btn:hover{background:rgba(74,158,255,.28)}
  .toolbar-btn.invite-btn{background:var(--primary);color:#fff}
  .toolbar-btn.invite-btn:hover{background:var(--primary-dark)}
  .toolbar-btn .badge{
    position:absolute;top:-4px;right:-4px;min-width:16px;height:16px;
    border-radius:8px;background:var(--red);color:#fff;font-size:10px;
    display:flex;align-items:center;justify-content:center;padding:0 4px;
    font-weight:700;line-height:1;
  }

  /* ===== 好友选择弹窗 ===== */
  .friend-select-list{max-height:360px;overflow-y:auto;padding:4px 0}
  .friend-select-item{
    display:flex;align-items:center;gap:10px;padding:10px 12px;
    border-radius:8px;cursor:pointer;transition:background .12s;
  }
  .friend-select-item:hover{background:var(--bg)}
  .friend-select-item.selected{background:rgba(74,158,255,.12)}
  .friend-select-item .check-box{
    width:20px;height:20px;border-radius:5px;border:2px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;transition:all .12s;color:transparent;font-size:11px;
  }
  .friend-select-item.selected .check-box{
    background:var(--primary);border-color:var(--primary);color:#fff;
  }
  .friend-select-item .fs-avatar{
    width:36px;height:36px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:700;color:#fff;flex-shrink:0;
  }
  .friend-select-item .fs-info{flex:1;min-width:0}
  .friend-select-item .fs-name{font-size:14px;font-weight:600;color:var(--text)}
  .friend-select-item .fs-id{font-size:11px;color:var(--text-dim);margin-top:2px}
  .friend-select-empty{text-align:center;padding:40px 20px;color:var(--text-dim);font-size:13px}
  .friend-select-empty i{font-size:40px;display:block;margin-bottom:12px;opacity:.3}

  /* ===== 房间列表面板 ===== */
  .room-panel-overlay{
    position:fixed;inset:0;background:rgba(0,0,0,.5);
    z-index:2500;display:none;align-items:center;justify-content:center;
    backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  }
  .room-panel-overlay.show{display:flex}
  .room-panel{
    width:380px;max-width:92vw;max-height:80vh;
    background:var(--surface);border-radius:16px;
    box-shadow:0 20px 60px rgba(0,0,0,.5);
    display:flex;flex-direction:column;overflow:hidden;
    animation:slideIn .25s ease;
  }
  @keyframes slideIn{from{opacity:0;transform:translateY(-16px) scale(.97)}to{opacity:1;transform:none}}
  .room-panel-header{
    padding:16px 18px;border-bottom:1px solid var(--border);
    display:flex;align-items:center;gap:10px;
  }
  .room-panel-header h3{flex:1;font-size:16px;font-weight:700;margin:0}
  .room-panel-header h3 i{color:var(--primary);margin-right:8px}
  .room-panel-clear{
    padding:5px 10px;border-radius:6px;border:none;
    background:rgba(255,80,80,.1);color:#ff7875;
    cursor:pointer;font-size:12px;
    transition:all .12s;display:flex;align-items:center;gap:4px;
  }
  .room-panel-clear:hover{background:rgba(255,80,80,.2)}
  .room-panel-clear:disabled{opacity:.4;cursor:not-allowed}
  .room-panel-close{
    width:30px;height:30px;border-radius:50%;border:none;
    background:rgba(255,255,255,.08);color:var(--text-dim);
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:all .12s;
  }
  .room-panel-close:hover{background:rgba(255,255,255,.15);color:var(--text)}
  .room-list{flex:1;overflow-y:auto;padding:8px}
  .room-item{
    display:flex;align-items:center;gap:12px;padding:12px;
    border-radius:10px;cursor:pointer;transition:background .12s;
    margin-bottom:4px;
  }
  .room-item:hover{background:rgba(74,158,255,.08)}
  .room-item.active{background:rgba(74,158,255,.15)}
  .room-item .room-avatar{
    width:44px;height:44px;border-radius:50%;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:700;color:#fff;position:relative;
  }
  .room-item .room-info{flex:1;min-width:0}
  .room-item .room-top{display:flex;align-items:center;gap:6px;margin-bottom:3px}
  .room-item .room-name{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .room-tag{
    font-size:10px;padding:1px 6px;border-radius:8px;font-weight:600;flex-shrink:0;
  }
  .room-tag.single{background:rgba(74,158,255,.2);color:var(--primary)}
  .room-tag.group{background:rgba(39,174,96,.2);color:var(--green)}
  .room-item .room-preview{font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .room-item .room-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}
  .room-item .room-time{font-size:11px;color:var(--text-dim)}
  .room-item .room-unread{
    min-width:18px;height:18px;border-radius:9px;background:var(--red);
    color:#fff;font-size:10px;font-weight:700;
    display:flex;align-items:center;justify-content:center;padding:0 5px;
  }
  .room-empty{text-align:center;padding:40px 20px;color:var(--text-dim);font-size:13px}
  .room-empty i{font-size:40px;display:block;margin-bottom:10px;opacity:.3}
  /* 连接已中断（刷新/掉线）但会话未到期的房间 */
  .room-item.disconnected{opacity:.78}
  .room-tag.offline{background:rgba(148,163,184,.18);color:#94a3b8}
  .room-item .room-preview.offline{color:#94a3b8}
  .room-item .room-del{
    width:30px;height:30px;border-radius:50%;border:none;
    background:transparent;color:var(--text-dim);
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    flex-shrink:0;transition:all .12s;opacity:.55;
  }
  .room-item .room-del:hover{background:rgba(231,76,60,.15);color:var(--red);opacity:1}
  .room-confirm-del{color:var(--red)!important;font-weight:600!important}