/* ============== CHAT MODULE ============== */
.chat-shell{display:grid;grid-template-columns:280px 1fr;gap:0;height:calc(100vh - var(--topbar-h, 93px));min-height:500px;max-height:calc(100vh - var(--topbar-h, 93px));background:var(--bg2);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:grid-template-columns .22s ease;
  /* CSS variable cho chat-main width khi has-split — cho phép resize bằng JS mà không cần inline grid (tránh override class .sidebar-collapsed) */
  /* 2026-05-19: default 380→420 để chat không bị quá hẹp khi mở Split mới */
  --chat-main-w:420px}
.chat-shell.has-split{grid-template-columns:280px var(--chat-main-w) 1fr}
.chat-shell.has-split.split-wide{--chat-main-w:320px}
.chat-shell.sidebar-collapsed{grid-template-columns:0px 1fr}
.chat-shell.sidebar-collapsed.has-split{grid-template-columns:0px var(--chat-main-w) 1fr}
.chat-shell.sidebar-collapsed.has-split.split-wide{--chat-main-w:320px}
/* Khi sidebar collapsed: KHÔNG dùng display:none để khỏi sập layout. Dùng overflow + width 0 */
.chat-shell.sidebar-collapsed .chat-sidebar{visibility:hidden;width:0;min-width:0;border-right:none;padding:0;overflow:hidden}
.chat-shell.sidebar-collapsed .chat-main{position:relative}
/* Floating expand button — đè lên chat */
.chat-floating-expand-btn{position:absolute;left:0;top:50%;transform:translateY(-50%);background:var(--bg2);border:1px solid var(--border);border-left:none;color:var(--text2);width:18px;height:48px;border-radius:0 8px 8px 0;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:20;transition:all .15s;padding:0}
.chat-floating-expand-btn:hover{background:var(--blue);color:#fff;width:22px}
.chat-shell.sidebar-collapsed .chat-floating-expand-btn{display:flex}
.chat-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--bg);min-width:0;min-height:0;overflow:hidden;transition:width .22s ease}
/* Sidebar collapsed: chỉ hiện nút mở */
.chat-shell.sidebar-collapsed .chat-sidebar-head{padding:8px 4px;justify-content:center}
.chat-shell.sidebar-collapsed .chat-sidebar-head input,
.chat-shell.sidebar-collapsed .chat-sidebar-head button:not(.chat-sidebar-toggle),
.chat-shell.sidebar-collapsed .chat-sidebar-filter,
.chat-shell.sidebar-collapsed .chat-rooms-list{display:none}
/* 2026-05-19: Reduce sidebar-head 54→36px + simplify ("không chia các ô con") */
.chat-sidebar-head{display:flex;gap:4px;align-items:center;padding:0 8px;height:36px;min-height:36px;max-height:36px;box-sizing:border-box;border-bottom:1px solid var(--border);flex-shrink:0}
.chat-sidebar-head input{flex:1;padding:4px 8px;background:transparent;border:0;border-radius:0;color:var(--text);font-size:12px;outline:none;height:28px;box-sizing:border-box}
.chat-sidebar-head input:focus{background:var(--bg3);border-radius:6px}
.chat-sidebar-head .btn,.chat-sidebar-head .chat-sidebar-toggle{padding:4px 6px !important;height:26px;min-height:26px;font-size:11px;background:transparent !important;border:0 !important}
.chat-sidebar-head .btn:hover,.chat-sidebar-head .chat-sidebar-toggle:hover{background:var(--bg3) !important;border-radius:6px}
.chat-sidebar-toggle{background:var(--bg3);border:1px solid var(--border);color:var(--text2);width:30px;height:30px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.chat-sidebar-toggle:hover{background:var(--bg);color:var(--text);border-color:var(--blue)}
.chat-shell.sidebar-collapsed .chat-sidebar-toggle svg{transform:rotate(180deg)}
/* 2026-05-19: compact filter row (height 36px to match head) */
.chat-sidebar-filter{padding:4px 8px;height:36px;min-height:36px;max-height:36px;box-sizing:border-box;display:flex;align-items:center;border-bottom:1px solid var(--border);background:var(--bg2);flex-shrink:0}
.chat-sidebar-filter .chat-filter-select{flex:1;font-size:11.5px;padding:4px 8px;height:26px}
.chat-filter-select{width:100%;padding:7px 10px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px;font-weight:500;font-family:var(--font);cursor:pointer}
.chat-filter-select:focus{outline:none;border-color:var(--blue)}
.chat-rooms-list{flex:1;overflow-y:auto;overflow-x:hidden;padding:6px 4px;min-height:0}
/* Override chat-shell height in NV portal */
#emp-pane-chat .chat-shell{height:calc(100vh - 110px);max-height:calc(100vh - 110px)}

/* Split panel: hiện bên cạnh chat-main khi xem chat dự án */
.chat-split-panel{display:flex;flex-direction:column;border-left:1px solid var(--border);background:var(--bg);min-width:0;min-height:0;overflow:hidden;position:relative}
/* Resize handle: thanh kéo trái panel split */
.chat-split-resize{position:absolute;left:-3px;top:0;bottom:0;width:6px;cursor:col-resize;background:transparent;z-index:10;transition:background .15s}
.chat-split-resize:hover,.chat-split-resize.dragging{background:var(--blue)}
body.split-resizing{cursor:col-resize !important;user-select:none !important}
body.split-resizing iframe{pointer-events:none !important}
/* 2026-05-19: chat-split-head 36px to match sidebar-head */
.chat-split-head{display:flex;align-items:center;justify-content:space-between;padding:0 12px;height:36px;min-height:36px;max-height:36px;box-sizing:border-box;border-bottom:1px solid var(--border);background:var(--bg2);flex-shrink:0;gap:8px}
.chat-split-tabs{display:flex;gap:4px;flex:1;overflow-x:auto;min-width:0}
.chat-split-tab{background:transparent;border:1px solid var(--border);color:var(--text2);padding:5px 10px;font-size:11px;font-weight:600;cursor:pointer;border-radius:6px;font-family:var(--font);white-space:nowrap;transition:all .15s}
.chat-split-tab:hover{background:var(--bg3);color:var(--text)}
.chat-split-tab.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.chat-split-close{background:transparent;border:none;color:var(--text3);font-size:16px;cursor:pointer;padding:4px 8px;border-radius:6px;flex-shrink:0;font-family:var(--font)}
.chat-split-close:hover{background:var(--bg3);color:var(--text)}
.chat-split-body{flex:1;overflow:hidden;min-height:0;background:var(--bg2);position:relative}
.chat-split-body iframe{width:100%;height:100%;border:none;display:block}
.chat-split-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:30px;text-align:center;color:var(--text3);font-size:12px;line-height:1.6}
.chat-split-toggle-btn{background:transparent;border:1px solid var(--border);color:var(--text2);padding:5px 10px;font-size:11px;font-weight:600;cursor:pointer;border-radius:6px;font-family:var(--font);white-space:nowrap;transition:all .15s}
.chat-split-toggle-btn:hover{background:var(--bg3);color:var(--text);border-color:var(--blue)}
.chat-split-toggle-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
@media(max-width:1300px){
  .chat-shell.has-split{--chat-main-w:320px}
}
@media(max-width:1100px){
  .chat-shell.has-split{grid-template-columns:280px 1fr !important;}
  .chat-shell.has-split.sidebar-collapsed{grid-template-columns:0px 1fr !important;}
  .chat-shell.has-split .chat-split-panel{display:none !important}
}

/* ============== BRIDGE PANELS — Multi-platform messaging launchers (Telegram/Slack/Zalo/Messenger) ============== */
/* [DISABLED 2026-05-22] Bridge CSS retained for rollback safety.
   Markup commented in index.html, script renamed to js/45-chat-bridge.js.disabled.
   CSS không apply vì không có element matching → an toàn để nguyên.
   Safe to delete entire block (down to BRIDGE PICKER) trong 3-6 tháng nếu confirm không rollback. */
/* Layout: sidebar | chat-main | bridge1 | (bridge2). Bridge song song với split, không cùng tồn tại — bật bridge thì auto đóng split. */
:root{--bridge1-w:320px;--bridge2-w:320px}
.chat-shell.has-bridge-1{grid-template-columns:280px minmax(300px,1fr) var(--bridge1-w) !important}
.chat-shell.has-bridge-2{grid-template-columns:280px minmax(300px,1fr) var(--bridge1-w) var(--bridge2-w) !important}
.chat-shell.sidebar-collapsed.has-bridge-1{grid-template-columns:0px minmax(300px,1fr) var(--bridge1-w) !important}
.chat-shell.sidebar-collapsed.has-bridge-2{grid-template-columns:0px minmax(300px,1fr) var(--bridge1-w) var(--bridge2-w) !important}
.chat-bridge-panel{display:flex;flex-direction:column;border-left:1px solid var(--border);background:var(--bg);min-width:0;min-height:0;overflow:hidden;position:relative}
.chat-bridge-panel .chat-bridge-resize{position:absolute;left:-3px;top:0;bottom:0;width:6px;cursor:col-resize;background:transparent;z-index:10;transition:background .15s}
.chat-bridge-panel .chat-bridge-resize:hover,.chat-bridge-panel .chat-bridge-resize.dragging{background:var(--blue)}
/* 2026-05-19: chat-bridge-head 36px to match sidebar-head */
.chat-bridge-head{display:flex;align-items:center;gap:6px;padding:0 10px;height:36px;min-height:36px;max-height:36px;box-sizing:border-box;border-bottom:1px solid var(--border);background:var(--bg2);flex-shrink:0}
.chat-bridge-platform-btn{display:inline-flex;align-items:center;gap:7px;padding:5px 8px 5px 6px;border-radius:7px;border:1px solid var(--border);background:var(--bg3);color:var(--text);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font);transition:all .15s;flex:1;min-width:0;justify-content:flex-start}
.chat-bridge-platform-btn:hover{border-color:var(--blue);background:var(--bg)}
.chat-bridge-platform-btn .platform-logo{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:5px;overflow:hidden}
.chat-bridge-platform-btn .platform-logo svg{width:18px;height:18px;display:block}
.chat-bridge-platform-btn .platform-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}
.chat-bridge-platform-btn .caret{font-size:9px;color:var(--text3);flex-shrink:0;margin-left:2px}
.chat-bridge-close{background:transparent;border:none;color:var(--text3);font-size:15px;cursor:pointer;padding:4px 8px;border-radius:6px;flex-shrink:0;font-family:var(--font);line-height:1}
.chat-bridge-close:hover{background:var(--bg3);color:var(--red)}
.chat-bridge-body{flex:1;overflow-y:auto;min-height:0;background:var(--bg);padding:12px;display:flex;flex-direction:column;gap:12px}
/* Hero card mở app */
.chat-bridge-hero{position:relative;padding:18px 14px;border-radius:12px;border:1px solid var(--border);background:var(--bg2);text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;overflow:hidden}
.chat-bridge-hero::before{content:'';position:absolute;inset:0;opacity:0.10;pointer-events:none;background:var(--platform-color,var(--blue))}
.chat-bridge-hero-logo{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.25);position:relative;z-index:1}
.chat-bridge-hero-logo svg{width:34px;height:34px;display:block}
.chat-bridge-hero-name{font-size:14px;font-weight:700;color:var(--text);position:relative;z-index:1}
.chat-bridge-hero-sub{font-size:11px;color:var(--text3);line-height:1.5;position:relative;z-index:1;max-width:260px}
.chat-bridge-hero-actions{display:flex;flex-direction:column;gap:6px;width:100%;position:relative;z-index:1;margin-top:4px}
.chat-bridge-section-title{font-size:10px;font-weight:700;color:var(--text3);letter-spacing:0.5px;text-transform:uppercase;padding:0 2px}
.chat-bridge-action-row{display:flex;flex-direction:column;gap:8px}
.chat-bridge-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg2);color:var(--text);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font);text-decoration:none;transition:all .15s}
.chat-bridge-btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.chat-bridge-btn.primary{background:var(--platform-color,var(--blue));border-color:var(--platform-color,var(--blue));color:#fff}
.chat-bridge-btn.primary:hover{filter:brightness(1.1)}
.chat-bridge-btn .ic{width:16px;height:16px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}
.chat-bridge-btn .ic svg{width:14px;height:14px}
.chat-bridge-btn.ghost{background:transparent}
.chat-bridge-input{width:100%;background:var(--bg2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:7px;font-size:12px;font-family:var(--font);outline:none;resize:vertical;min-height:60px}
.chat-bridge-input:focus{border-color:var(--blue)}
.chat-bridge-input.single-line{min-height:auto;height:34px;resize:none}
.chat-bridge-field-label{font-size:10.5px;color:var(--text3);font-weight:600;margin-bottom:3px;display:block}
.chat-bridge-help{font-size:10.5px;color:var(--text3);line-height:1.5;padding:0 2px}
.chat-bridge-prefill-bar{display:flex;gap:5px;flex-wrap:wrap;padding:7px 9px;background:var(--bg2);border:1px dashed rgba(96,165,250,0.4);border-radius:8px;font-size:10.5px;align-items:center}
.chat-bridge-prefill-bar .label{color:var(--blue);font-weight:600;flex-shrink:0;font-size:10px}
.chat-bridge-prefill-chip{display:inline-flex;align-items:center;gap:4px;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:3px 7px;border-radius:11px;font-size:10.5px;cursor:pointer;transition:all .12s;font-family:var(--font);max-width:200px}
.chat-bridge-prefill-chip:hover{border-color:var(--blue);color:var(--blue)}
.chat-bridge-prefill-chip span:not(.x){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-bridge-prefill-chip .x{color:var(--text3);font-size:11px;cursor:pointer;flex-shrink:0;margin-left:2px;line-height:1}
.chat-bridge-prefill-chip .x:hover{color:var(--red)}
/* Embedded webview slot — chỉ hiện khi chạy trong Electron */
.chat-bridge-embed-slot{flex:1;min-height:0;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:#000;position:relative}
.chat-bridge-embed-slot webview{width:100%;height:100%;display:block;border:none}
/* Header toggle button for Bridge */
.chat-header-bridge-btn{background:transparent;border:1px solid var(--border);color:var(--text2);padding:5px 9px;font-size:11px;font-weight:600;cursor:pointer;border-radius:6px;font-family:var(--font);white-space:nowrap;transition:all .15s;display:inline-flex;align-items:center;gap:5px}
.chat-header-bridge-btn:hover{background:var(--bg3);color:var(--text);border-color:var(--blue)}
.chat-header-bridge-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.chat-header-bridge-btn.active:hover{filter:brightness(1.1);color:#fff}
.chat-header-bridge-btn svg{width:13px;height:13px}
/* Picker overlay */
.chat-bridge-picker-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.55);z-index:1500;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.chat-bridge-picker-overlay.show{display:flex}
.chat-bridge-picker{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:20px;width:400px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px rgba(0,0,0,0.5)}
.chat-bridge-picker h3{font-size:14px;font-weight:700;margin-bottom:4px;color:var(--text)}
.chat-bridge-picker .sub{font-size:11px;color:var(--text3);margin-bottom:14px;line-height:1.5}
.chat-bridge-picker-list{display:flex;flex-direction:column;gap:6px}
.chat-bridge-picker-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;border:1px solid var(--border);background:var(--bg3);cursor:pointer;transition:all .15s;font-family:var(--font)}
.chat-bridge-picker-item:hover{border-color:var(--blue);transform:translateY(-1px)}
.chat-bridge-picker-item .ic{width:32px;height:32px;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 1px 4px rgba(0,0,0,0.2)}
.chat-bridge-picker-item .ic svg{width:24px;height:24px;display:block}
.chat-bridge-picker-item .info{flex:1;min-width:0}
.chat-bridge-picker-item .info .nm{font-size:13px;font-weight:600;color:var(--text)}
.chat-bridge-picker-item .info .ds{font-size:10.5px;color:var(--text3);margin-top:2px;line-height:1.4}
.chat-bridge-picker-item.disabled{opacity:0.45;cursor:not-allowed}
.chat-bridge-picker-item.disabled:hover{border-color:var(--border);transform:none}
.chat-bridge-picker-item.is-open{border-color:#2ecc71;background:rgba(46,204,113,0.06)}
.chat-bridge-picker-item.is-open:hover{border-color:#2ecc71;transform:translateY(-1px)}
.chat-bridge-picker-cancel{margin-top:12px;width:100%;padding:9px;border:1px solid var(--border);background:transparent;color:var(--text2);border-radius:8px;cursor:pointer;font-family:var(--font);font-size:12px;font-weight:600}
.chat-bridge-picker-cancel:hover{background:var(--bg3);color:var(--text)}
@media(max-width:1100px){
  .chat-shell.has-bridge-1,.chat-shell.has-bridge-2{grid-template-columns:280px 1fr !important}
  .chat-shell.sidebar-collapsed.has-bridge-1,.chat-shell.sidebar-collapsed.has-bridge-2{grid-template-columns:0px 1fr !important}
  .chat-shell.has-bridge-1 .chat-bridge-panel,.chat-shell.has-bridge-2 .chat-bridge-panel{display:none !important}
}
/* Mobile: ẩn nút Bridge — không dùng được trên màn nhỏ */
@media(max-width:768px){
  .chat-header-bridge-btn{display:none !important}
  .chat-bridge-panel{display:none !important}
}
.chat-room-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;cursor:pointer;transition:background .12s;margin-bottom:2px}
.chat-room-item:hover{background:var(--bg3)}
.chat-room-item.active{background:rgba(96,165,250,0.15);border:1px solid rgba(96,165,250,0.35)}
.chat-room-avatar{width:38px;height:38px;border-radius:50%;background:var(--bg4);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;font-weight:700;color:#fff}
.chat-room-avatar.type-direct{background:linear-gradient(135deg,#60a5fa,#3b82f6)}
.chat-room-avatar.type-group{background:linear-gradient(135deg,#a855f7,#7c3aed)}
.chat-room-avatar.type-project{background:linear-gradient(135deg,#34d399,#10b981)}
.chat-room-meta{flex:1;min-width:0}
.chat-room-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-room-preview{font-size:11px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.chat-room-time{font-size:10px;color:var(--text3);flex-shrink:0;align-self:flex-start}
.chat-room-unread{background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:10px;min-width:18px;text-align:center;align-self:center}

.chat-main{display:flex;flex-direction:column;min-width:0;background:var(--bg);height:100%;overflow:hidden}
/* Khi has-split + sidebar collapsed, chat-main cần min-width đủ để hiển thị tin nhắn — tránh flex collapse khiến nội dung "trống" khi cuộn */
.chat-shell.has-split .chat-main{min-width:300px}
.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
/* 2026-05-19: chat-header 36px to match sidebar-head (uniform topbar height) */
.chat-header{display:flex;align-items:center;gap:8px;padding:0 12px;height:36px;min-height:36px;max-height:36px;box-sizing:border-box;border-bottom:1px solid var(--border);background:var(--bg2);flex-wrap:nowrap}
.chat-header-info{flex:1;min-width:0}
.chat-header-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* 2026-05-19: Inline member count cạnh project name (thay vì subtitle line riêng) */
.chat-header-member-inline{font-size:11px;font-weight:500;color:var(--text3);margin-left:4px}
/* === 2026-05-19: ⋯ tools trigger + dropdown panel === */
.chat-hdr-tools-wrap{position:relative;flex-shrink:0;margin-left:auto;display:flex;align-items:center}
.chat-hdr-tools-trigger{
  background:transparent;border:1px solid var(--border);
  color:var(--text);width:32px;height:32px;border-radius:6px;
  font-size:18px;font-weight:700;cursor:pointer;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .15s,border-color .15s;
}
.chat-hdr-tools-trigger:hover{background:var(--bg3);border-color:var(--blue)}
/* Panel: default hidden, mở qua class .open */
.chat-header-actions.chat-tools-panel{
  position:absolute;top:calc(100% + 6px);right:0;
  display:none;flex-direction:column;align-items:stretch;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:6px;gap:4px;
  min-width:220px;z-index:1000;
  box-shadow:0 8px 24px rgba(0,0,0,0.5);
}
.chat-header-actions.chat-tools-panel.open{display:flex}
.chat-header-actions.chat-tools-panel > *,
.chat-header-actions.chat-tools-panel .chat-hdr-btn,
.chat-header-actions.chat-tools-panel .chat-header-bridge-btn,
.chat-header-actions.chat-tools-panel .chat-hdr-lang,
.chat-header-actions.chat-tools-panel .chat-hdr-link{
  width:100%;justify-content:flex-start;text-align:left;
}
.chat-header-actions.chat-tools-panel .chat-hdr-proj-links{
  display:flex;flex-direction:column;gap:4px;
}
.chat-header-actions.chat-tools-panel .chat-hdr-proj-links > *{
  width:100%;justify-content:flex-start;
}
/* Disabled state — for Bridge/Split mutual exclusion (Task 2) */
.chat-hdr-btn.disabled,
.chat-header-bridge-btn.disabled,
.chat-shell.bridge-active .chat-split-toggle-btn,
.chat-shell.has-split .chat-header-bridge-btn{
  opacity:0.4;cursor:not-allowed;pointer-events:none;
}
.chat-header-sub{font-size:10.5px;color:var(--text3);margin-top:2px}
/* Khi split active hoặc chat hẹp: header xếp 2 hàng (info trên, actions dưới) */
/* 2026-05-19: has-split mode → keep single row 36px (was multi-row wrapping which broke 36px lock) */
.chat-shell.has-split .chat-header{flex-wrap:nowrap;align-items:center;padding:0 8px;gap:6px;height:36px;min-height:36px;max-height:36px}
.chat-shell.has-split .chat-header-info{flex:1;min-width:0;display:flex;align-items:center;gap:8px;order:0;width:auto}
.chat-shell.has-split .chat-header-info .chat-header-name{font-size:12.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:none;flex:1;min-width:0}
.chat-shell.has-split .chat-header-info .chat-header-sub{font-size:10px;margin-top:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:8px;border-left:1px solid var(--border)}
.chat-shell.has-split .chat-room-avatar{width:24px !important;height:24px !important;font-size:11px !important;order:0}
/* 2026-05-19: has-split header-actions panel — keep dropdown behavior (NOT inline wrap on 2nd row).
   Vẫn là dropdown qua ⋯ trigger, không expand inline. */
.chat-shell.has-split .chat-header-actions.chat-tools-panel{flex:initial;justify-content:initial;flex-wrap:nowrap;gap:4px;width:auto}
.chat-shell.has-split .chat-back-mobile{order:0}
.chat-pinned-bar{padding:8px 14px;background:rgba(245,158,11,0.08);border-bottom:1px solid rgba(245,158,11,0.25);font-size:11px;color:var(--text2);max-height:120px;overflow-y:auto}
.chat-pinned-item{display:flex;align-items:start;gap:6px;padding:4px 0;cursor:pointer}
.chat-pinned-item:hover{color:var(--text)}
.chat-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:6px;min-height:0}
/* Khi chat panel hẹp (split mode), giảm padding để tin nhắn có thêm không gian */
.chat-shell.has-split .chat-messages{padding:10px 8px}
.chat-msg{display:flex;gap:8px;max-width:75%;align-items:start;position:relative}
/* Khi chat panel hẹp (split mode), tin nhắn cần rộng hơn để không bị cắt */
.chat-shell.has-split .chat-msg{max-width:92%}
.chat-msg.me{align-self:flex-end;flex-direction:row-reverse}
.chat-msg-avatar{width:30px;height:30px;border-radius:50%;background:var(--bg4);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--blue);flex-shrink:0}
/* Mention suggest popup */
.mention-suggest{position:absolute;z-index:99998;background:var(--bg2);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.5);padding:4px;min-width:240px;max-width:320px;max-height:240px;overflow-y:auto}
.mention-suggest .ms-item{padding:7px 10px;border-radius:7px;cursor:pointer;font-size:12.5px;display:flex;align-items:center;gap:8px;color:var(--text)}
.mention-suggest .ms-item:hover,.mention-suggest .ms-item.active{background:var(--bg3)}
.mention-suggest .ms-item .ms-icon{font-size:14px;flex-shrink:0}
.mention-suggest .ms-item .ms-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.mention-suggest .ms-item .ms-sub{font-size:10.5px;color:var(--text3)}
.mention-suggest .ms-empty{padding:10px;color:var(--text3);font-size:11.5px;text-align:center}
/* Mention chip in rendered message */
.mention-user{background:rgba(96,165,250,0.18);color:#7dd3fc;padding:1px 6px;border-radius:4px;font-weight:600;cursor:pointer}
.mention-user:hover{background:rgba(96,165,250,0.3)}
.mention-project{background:rgba(168,85,247,0.18);color:#c4b5fd;padding:1px 6px;border-radius:4px;font-weight:600;cursor:pointer}
.mention-project:hover{background:rgba(168,85,247,0.3)}
.mention-everyone{background:rgba(245,158,11,0.18);color:#fbbf24;padding:1px 6px;border-radius:4px;font-weight:700}
.chat-feed-link{display:inline-block;margin-top:6px;padding:6px 10px;background:rgba(96,165,250,0.15);color:#7dd3fc;border:1px solid rgba(96,165,250,0.4);border-radius:8px;font-size:11.5px;cursor:pointer;font-weight:600;transition:all .15s}
.chat-feed-link:hover{background:rgba(96,165,250,0.25);transform:translateY(-1px)}
/* Toàn bộ bubble clickable khi share post từ Bảng tin */
.chat-msg-bubble.chat-msg-feed-share{cursor:pointer;border:1px solid rgba(96,165,250,0.45);background:linear-gradient(135deg,rgba(96,165,250,0.10),var(--bg3));transition:all .15s;padding-left:13px;border-left:3px solid var(--blue)}
.chat-msg-bubble.chat-msg-feed-share:hover{background:linear-gradient(135deg,rgba(96,165,250,0.20),var(--bg4,var(--bg3)));transform:translateX(2px);box-shadow:0 2px 10px rgba(96,165,250,0.25)}
.chat-msg.me .chat-msg-bubble.chat-msg-feed-share{background:linear-gradient(135deg,#5b9af9,#3a7af0);border-color:rgba(255,255,255,0.35);border-left-color:#fff}
.chat-msg.me .chat-msg-bubble.chat-msg-feed-share:hover{filter:brightness(1.08)}
.chat-feed-badge{display:inline-block;font-size:10.5px;font-weight:700;color:#7dd3fc;background:rgba(96,165,250,0.18);padding:2px 7px;border-radius:6px;margin-bottom:5px;letter-spacing:.2px}
.chat-msg.me .chat-feed-badge{background:rgba(255,255,255,0.22);color:#fff}
.float-chat-msg-bubble.chat-msg-feed-share{cursor:pointer;border:1px solid rgba(96,165,250,0.45);background:linear-gradient(135deg,rgba(96,165,250,0.10),var(--bg3));border-left:3px solid var(--blue);padding-left:10px;transition:all .15s}
.float-chat-msg-bubble.chat-msg-feed-share:hover{background:linear-gradient(135deg,rgba(96,165,250,0.22),var(--bg3));transform:translateX(2px)}
.float-chat-msg.me .float-chat-msg-bubble.chat-msg-feed-share{background:linear-gradient(135deg,#5b9af9,#3a7af0);border-color:rgba(255,255,255,0.35);border-left-color:#fff}

/* QUICK CREATE GROUP MODAL */
.qcg-modal{background:var(--bg2);border:1px solid var(--border);border-radius:14px;width:min(480px,100%);max-height:80vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.5)}
.qcg-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-size:14px;color:var(--text)}
.qcg-close{background:transparent;border:none;color:var(--text3);font-size:18px;cursor:pointer;padding:0 4px;font-family:var(--font)}
.qcg-close:hover{color:var(--text)}
.qcg-body{padding:14px 16px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;min-height:0}
.qcg-fld{display:flex;flex-direction:column;gap:6px}
.qcg-fld>label{font-size:11px;font-weight:600;color:var(--text2);display:flex;align-items:center;justify-content:space-between}
.qcg-count{font-weight:500;color:var(--blue);font-size:11px}
.qcg-fld input[type="text"]{background:var(--bg3);border:1px solid var(--border2);color:var(--text);padding:9px 12px;border-radius:8px;font-size:13px;font-family:var(--font);outline:none;width:100%;transition:border-color .15s}
.qcg-fld input[type="text"]:focus{border-color:var(--blue)}
.qcg-emp-list{display:flex;flex-direction:column;gap:3px;max-height:340px;overflow-y:auto;padding:6px;background:var(--bg);border:1px solid var(--border);border-radius:8px}
.qcg-emp-row{display:flex;align-items:center;gap:10px;padding:7px 10px;background:var(--bg3);border-radius:6px;cursor:pointer;transition:background .12s}
.qcg-emp-row:hover{background:var(--bg4)}
.qcg-emp-row input[type="checkbox"]{accent-color:var(--blue);width:16px;height:16px;flex-shrink:0;cursor:pointer}
.qcg-emp-info{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}
.qcg-emp-name{font-size:12.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qcg-emp-meta{font-size:10.5px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qcg-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--border);background:var(--bg)}
.chat-msg-bubble{background:var(--bg3);padding:7px 11px;border-radius:12px;font-size:13px;color:var(--text);line-height:1.5;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;max-width:100%;position:relative;width:fit-content;min-width:0}
.chat-msg.me .chat-msg-bubble{background:var(--blue);color:#fff;margin-left:auto}
.chat-msg-meta{font-size:10px;color:var(--text3);margin-top:2px;display:flex;gap:6px;align-items:center}
.chat-msg.me .chat-msg-meta{justify-content:flex-end}
.chat-msg-sender{font-size:10.5px;color:var(--text2);font-weight:600;margin-bottom:2px}
.chat-msg-actions{position:absolute;top:-30px;display:none;gap:1px;background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:3px 4px;box-shadow:0 4px 12px rgba(0,0,0,0.4);z-index:5;white-space:nowrap}
.del-confirm-box{animation:fadeInUp .15s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateX(-50%) translateY(4px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.chat-msg .chat-msg-actions{right:auto;left:38px}
.chat-msg.me .chat-msg-actions{left:auto;right:38px}
.chat-msg:hover .chat-msg-actions{display:flex}
.chat-msg-action{background:transparent;border:none;color:var(--text2);font-size:13px;cursor:pointer;padding:4px 7px;border-radius:12px;line-height:1;font-family:var(--font);transition:background .12s}
.chat-msg-action:hover{background:var(--bg3);color:var(--text)}
.chat-msg-reply{font-size:11px;background:rgba(0,0,0,0.15);border-left:2px solid var(--blue);padding:4px 8px;border-radius:4px;margin-bottom:4px;color:var(--text2);cursor:pointer}
.chat-msg-reply strong{color:var(--blue)}
.chat-msg-img{max-width:240px;max-height:240px;border-radius:8px;cursor:pointer;display:block;margin-top:2px}
.chat-msg-file{display:inline-flex;align-items:center;gap:8px;background:rgba(0,0,0,0.2);padding:8px 10px;border-radius:8px;margin-top:2px;text-decoration:none;color:inherit}
.chat-msg-file:hover{background:rgba(0,0,0,0.3)}
.chat-msg.system{align-self:center;max-width:90%}
.chat-msg.system .chat-msg-bubble{background:transparent;color:var(--text3);font-size:11px;font-style:italic;text-align:center;padding:4px 10px}
.chat-msg-pinned-mark{font-size:10px;color:var(--amber);margin-bottom:2px}
.chat-msg-edited{color:var(--text3);font-size:9.5px;font-style:italic}

/* ============== FEED / NEWSFEED ============== */
.feed-container{max-width:680px;margin:0 auto;padding:8px 0;display:flex;flex-direction:column;gap:14px}
.feed-composer{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:14px;cursor:default}
.feed-composer-head{display:flex;align-items:center;gap:10px;cursor:pointer;padding:6px 4px;border-radius:8px;transition:background .15s}
.feed-composer-head:hover{background:var(--bg3)}
.feed-composer-avatar{width:38px;height:38px;border-radius:50%;background:var(--bg4);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0}
.feed-composer-placeholder{flex:1;color:var(--text3);font-size:13px;background:var(--bg3);border:1px solid var(--border);padding:9px 14px;border-radius:20px}
.feed-composer-actions{display:flex;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border);justify-content:space-around;flex-wrap:wrap}
.feed-composer-btn{flex:1;min-width:90px;background:transparent;border:none;color:var(--text2);padding:8px 10px;font-size:12px;font-weight:600;border-radius:7px;cursor:pointer;font-family:var(--font);transition:all .15s}
.feed-composer-btn:hover{background:var(--bg3);color:var(--text)}
/* Filter bar */
.feed-filter-bar{display:flex;gap:6px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:6px;flex-wrap:wrap;align-items:center}
.feed-filter-btn{background:transparent;border:none;color:var(--text2);padding:7px 12px;font-size:12px;font-weight:600;border-radius:6px;cursor:pointer;font-family:var(--font);transition:all .15s}
.feed-filter-btn:hover{background:var(--bg3);color:var(--text)}
.feed-filter-btn.active{background:var(--blue);color:#fff}
/* Post card */
.feed-posts{display:flex;flex-direction:column;gap:14px}
.feed-post{background:var(--bg2);border:1px solid var(--border);border-radius:12px;overflow:hidden;animation:feedFadeIn .25s ease}
@keyframes feedFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.feed-post.pinned{border-color:var(--amber);box-shadow:0 0 0 1px rgba(245,158,11,0.2)}
.feed-post-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border)}
.feed-post-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,#60a5fa,#3b82f6);flex-shrink:0;background-size:cover;background-position:center}
.feed-post-meta{flex:1;min-width:0}
.feed-post-author{font-size:14px;font-weight:600;color:var(--text)}
.feed-post-time{font-size:11px;color:var(--text3);margin-top:1px}
.feed-post-time .pin-mark{color:var(--amber);font-weight:600;margin-left:6px}
.feed-post-actions{display:flex;gap:4px}
.feed-post-action-btn{background:transparent;border:none;color:var(--text3);padding:4px 8px;border-radius:6px;cursor:pointer;font-size:14px;font-family:var(--font)}
.feed-post-action-btn:hover{background:var(--bg3);color:var(--text)}
.feed-post-content{padding:12px 14px;font-size:13.5px;line-height:1.55;color:var(--text);white-space:pre-wrap;word-break:break-word}
.feed-post-content:empty{display:none}
/* Images grid */
.feed-post-images{display:grid;gap:2px;background:var(--border);max-height:520px;overflow:hidden}
.feed-post-images.count-1{grid-template-columns:1fr}
.feed-post-images.count-2{grid-template-columns:1fr 1fr}
.feed-post-images.count-3{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.feed-post-images.count-3 > :first-child{grid-row:1/-1}
.feed-post-images.count-4{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.feed-post-image{width:100%;height:100%;object-fit:cover;cursor:pointer;display:block;background:var(--bg3);min-height:160px;max-height:340px}
/* Stats bar */
/* Stats bar — KHÔNG còn dùng (đã gộp vào action bar) */
.feed-post-stats{display:flex;align-items:center;gap:10px;padding:8px 14px;font-size:11.5px;color:var(--text2);border-top:1px solid var(--border)}
.feed-post-stats:empty{display:none}
.feed-post-react-count{display:flex;align-items:center;gap:4px}
.feed-post-react-emojis{display:inline-flex;gap:2px}
.feed-post-react-emojis span{background:var(--bg);border:1px solid var(--border);border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:11px}

/* Action bar: 3 nút sát nhau (KHÔNG flex:1) + summary cùng hàng bên phải */
.feed-post-action-bar{display:flex;align-items:center;border-top:1px solid var(--border);padding:8px 14px;gap:6px;min-height:48px}
.feed-post-btn{background:transparent;border:none;color:var(--text2);padding:8px 12px;font-size:14px;font-weight:600;cursor:pointer;font-family:var(--font);transition:background .15s,color .15s;display:inline-flex;align-items:center;gap:7px;position:relative;user-select:none;-webkit-user-select:none;border-radius:8px;white-space:nowrap;line-height:1}
.feed-post-btn:hover{background:var(--bg3)}
.feed-post-btn.reacted{color:var(--blue)}
.feed-post-btn.reacted .feed-btn-icon{stroke:var(--blue);fill:rgba(79,142,247,0.12)}
.feed-btn-icon{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;display:inline-block;vertical-align:middle}
.feed-btn-emoji{font-size:18px;line-height:1;flex-shrink:0}
.feed-post-btn-count{font-size:14px;color:inherit;font-weight:600;min-width:8px}
.feed-post-btn.reacted .feed-post-btn-count{color:var(--blue)}
/* Summary phải — đẩy về bên phải bằng margin-left:auto */
.feed-react-summary-wrap{margin-left:auto;flex-shrink:0}
.feed-react-summary{display:inline-flex;align-items:center;gap:4px;cursor:pointer;padding:5px 10px;border-radius:14px;background:var(--bg3);transition:background .15s}
.feed-react-summary:hover{background:var(--bg4,var(--bg))}
.feed-react-summary-emojis{display:inline-flex;gap:0}
.feed-react-summary-emojis span{font-size:14px;line-height:1;margin-left:-3px}
.feed-react-summary-emojis span:first-child{margin-left:0}
.feed-react-summary-count{font-size:11.5px;color:var(--text2);font-weight:600;margin-left:3px}
.feed-react-tab{background:var(--bg3);border:1px solid var(--border);color:var(--text2);padding:5px 10px;font-size:11.5px;border-radius:14px;cursor:pointer;font-family:var(--font);font-weight:600}
.feed-react-tab.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* Reaction picker — chỉ hiện khi click/long-press */
.feed-react-wrap{position:relative;display:inline-flex;align-items:center}
.feed-react-picker{position:absolute;bottom:100%;left:0;margin-bottom:6px;background:var(--bg2);border:1px solid var(--border);border-radius:30px;padding:6px;display:none;gap:2px;box-shadow:0 6px 20px rgba(0,0,0,0.4);z-index:100}
.feed-react-picker.open{display:flex;animation:reactPickerIn .18s ease-out}
@keyframes reactPickerIn{from{opacity:0;transform:translateY(8px) scale(0.85)}to{opacity:1;transform:translateY(0) scale(1)}}
.feed-react-emoji{background:transparent;border:none;font-size:22px;width:36px;height:36px;border-radius:50%;cursor:pointer;transition:transform .12s;line-height:1;padding:0}
.feed-react-emoji:hover{transform:scale(1.3);background:var(--bg3)}

/* Comments section: liền mạch với post, nền hơi tối hơn để phân khu nhưng không rời rạc */
.feed-comments-section{padding:0;background:transparent;display:none}
.feed-comments-section.open{display:block;background:rgba(0,0,0,0.12);border-top:1px solid var(--border)}
.feed-comments-list{padding:8px 14px 4px;display:flex;flex-direction:column;gap:6px}
.feed-comments-list:empty{padding:0}
/* Comment row compact */
.feed-comment{display:flex;gap:8px;padding:4px 0;align-items:flex-start;cursor:pointer;border-radius:8px;transition:background .15s}
.feed-comment:hover{background:var(--bg3)}
.feed-comment-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,#a855f7,#7c3aed);flex-shrink:0;background-size:cover;background-position:center}
.feed-comment-bubble{background:var(--bg3);border-radius:14px;padding:5px 11px;flex:1;min-width:0}
.feed-comment-author{font-size:11.5px;font-weight:600;color:var(--text);margin-bottom:1px}
.feed-comment-content{font-size:12.5px;color:var(--text);line-height:1.35;word-break:break-word}
/* Meta ẩn mặc định, hiện khi click vào comment */
.feed-comment-meta{margin-top:2px;font-size:10px;color:var(--text3);display:none;gap:10px;padding-left:4px;align-items:center}
.feed-comment.show-meta .feed-comment-meta{display:flex;animation:metaIn .18s}
@keyframes metaIn{from{opacity:0;max-height:0}to{opacity:1;max-height:30px}}
.feed-comment-meta button{background:none;border:none;color:var(--text3);font-size:10.5px;cursor:pointer;font-family:var(--font);font-weight:600;padding:0}
.feed-comment-meta button:hover{color:var(--red)}
/* Input bình luận liền mạch */
.feed-comment-input{display:flex;gap:8px;align-items:center;padding:8px 14px 12px;margin-top:0;background:transparent}
.feed-comment-input input{flex:1;padding:8px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;color:var(--text);font-size:13px;font-family:var(--font)}
.feed-comment-input input:focus{outline:none;border-color:var(--blue)}
.feed-comment-input button{padding:6px 14px;background:var(--blue);border:none;color:#fff;border-radius:18px;font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font)}
.feed-comment-input button:hover{filter:brightness(1.1)}
/* Empty state */
.feed-empty{text-align:center;padding:40px 20px;color:var(--text3)}
.feed-empty-icon{font-size:48px;opacity:0.5;margin-bottom:10px}
/* Composer modal */
.feed-comp-modal{background:var(--bg2);border:1px solid var(--border);border-radius:14px;width:min(560px,100%);max-height:90vh;display:flex;flex-direction:column;overflow:hidden}
.feed-comp-textarea{width:100%;background:transparent;border:none;color:var(--text);font-size:14px;line-height:1.5;padding:14px;resize:vertical;min-height:100px;max-height:300px;font-family:var(--font);box-sizing:border-box}
.feed-comp-textarea:focus{outline:none}
.feed-comp-images{display:flex;gap:6px;padding:0 14px 10px;flex-wrap:wrap}
.feed-comp-image-thumb{position:relative;width:80px;height:80px;border-radius:8px;overflow:hidden;background:var(--bg3);border:1px solid var(--border)}
.feed-comp-image-thumb img{width:100%;height:100%;object-fit:cover}
.feed-comp-image-remove{position:absolute;top:2px;right:2px;background:rgba(0,0,0,0.6);color:#fff;border:none;width:20px;height:20px;border-radius:50%;cursor:pointer;font-size:11px}
.feed-comp-toolbar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--border)}
.feed-comp-tools{display:flex;gap:6px}
.feed-comp-tool-btn{background:var(--bg3);border:1px solid var(--border);color:var(--text2);padding:6px 10px;font-size:12px;border-radius:7px;cursor:pointer;font-family:var(--font);transition:all .15s}
.feed-comp-tool-btn:hover{border-color:var(--blue);color:var(--blue)}
.feed-comp-tool-btn.active{background:var(--blue-bg);border-color:var(--blue);color:var(--blue)}
/* Split bill module */
.feed-split-box{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px;margin:10px 14px}
.feed-split-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.feed-split-bank{font-size:11.5px;color:var(--text2);background:var(--bg3);padding:8px 10px;border-radius:6px;margin-bottom:8px;border-left:3px solid var(--blue)}
.feed-split-bank strong{color:var(--blue)}
.feed-split-bank-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:8px}
.feed-split-bank-row .feed-split-bank{margin-bottom:0}
.feed-split-qr-display{flex-shrink:0;display:flex;flex-direction:column;align-items:center}
.feed-split-qr-display img{width:80px;height:80px;border-radius:8px;border:1px solid var(--border);cursor:zoom-in;background:#fff;object-fit:contain;padding:2px;transition:transform .15s}
.feed-split-qr-display img:hover{transform:scale(1.05);border-color:var(--blue)}
.feed-split-list{display:flex;flex-direction:column;gap:4px}
.feed-split-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--bg3);border-radius:7px;font-size:12.5px}
.feed-split-item.paid{opacity:0.6;text-decoration:line-through}
.feed-split-item.overdue{background:var(--red-bg);border:1px solid rgba(239,104,104,0.3)}
.feed-split-name{font-weight:600;color:var(--text)}
.feed-split-amount{color:var(--blue);font-weight:700;font-variant-numeric:tabular-nums}
.feed-split-status{font-size:10px;padding:2px 8px;border-radius:10px;font-weight:600;margin-left:auto;margin-right:6px}
.feed-split-status.unpaid{background:var(--bg);color:var(--text3)}
.feed-split-status.paid{background:var(--green-bg);color:var(--green)}
.feed-split-status.overdue{background:var(--red-bg);color:var(--red)}
.feed-split-action{background:var(--blue);border:none;color:#fff;padding:4px 10px;font-size:10.5px;border-radius:5px;cursor:pointer;font-family:var(--font);font-weight:600}
.feed-split-action:hover{filter:brightness(1.1)}
.feed-split-action.unmark{background:transparent;border:1px solid var(--border);color:var(--text3)}
.feed-split-summary{display:flex;justify-content:space-between;margin-top:8px;padding-top:8px;border-top:1px dashed var(--border);font-size:11.5px;color:var(--text2)}
.feed-split-summary strong{color:var(--text)}
/* Image lightbox */
.feed-img-lightbox{position:fixed;inset:0;background:rgba(0,0,0,0.92);z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;cursor:zoom-out}
.feed-img-lightbox img{max-width:100%;max-height:100%;object-fit:contain}
.feed-img-lightbox-close{position:absolute;top:20px;right:20px;background:rgba(255,255,255,0.1);border:none;color:#fff;width:40px;height:40px;border-radius:50%;font-size:20px;cursor:pointer}

/* ============== POLL / VOTE ============== */
/* Modal tạo poll */
.poll-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.65);z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;animation:pollFadeIn .15s ease}
@keyframes pollFadeIn{from{opacity:0}to{opacity:1}}
.poll-modal{background:var(--bg2);border:1px solid var(--border);border-radius:14px;width:min(480px,100%);max-height:90vh;display:flex;flex-direction:column;overflow:hidden}
.poll-modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}
.poll-modal-close{background:none;border:none;color:var(--text3);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;font-family:var(--font)}
.poll-modal-close:hover{background:var(--bg3);color:var(--text)}
.poll-modal-body{padding:18px;overflow-y:auto;flex:1}
.poll-modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border)}
.poll-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.poll-field > span{font-size:12px;font-weight:600;color:var(--text2)}
.poll-field input[type="text"]{background:var(--bg3);border:1px solid var(--border);border-radius:7px;padding:9px 11px;color:var(--text);font-size:13px;font-family:var(--font);width:100%;box-sizing:border-box}
.poll-field input[type="text"]:focus{outline:none;border-color:var(--blue)}
.poll-opt-row{display:flex;gap:6px;margin-bottom:6px}
.poll-opt-row input{flex:1}
.poll-opt-remove{background:transparent;border:1px solid var(--border);color:var(--text3);width:32px;border-radius:7px;cursor:pointer;font-size:13px;flex-shrink:0;font-family:var(--font)}
.poll-opt-remove:hover{background:var(--red-bg);color:var(--red);border-color:var(--red)}
.poll-add-opt{background:transparent;border:1px dashed var(--border);color:var(--text2);padding:8px;border-radius:7px;cursor:pointer;font-size:12px;width:100%;margin-top:4px;font-family:var(--font);transition:all .15s}
.poll-add-opt:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg)}
.poll-checkboxes{flex-direction:row !important;flex-wrap:wrap;gap:14px}
.poll-check{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text2);cursor:pointer;font-weight:500}
.poll-check input{cursor:pointer;accent-color:var(--blue)}

/* Poll bubble — render trong tin nhắn */
.poll-container{min-width:240px;max-width:340px}
.poll-question{font-size:13px;font-weight:600;line-height:1.4;margin-bottom:4px;color:var(--text)}
.chat-msg.me .poll-container .poll-question{color:#fff}
.poll-meta{font-size:10px;color:var(--text3);margin-bottom:10px;font-weight:500}
.chat-msg.me .poll-meta{color:rgba(255,255,255,0.7)}
.poll-closed-tag{font-size:10px;font-weight:600;background:rgba(245,158,11,0.15);color:var(--amber);padding:1px 6px;border-radius:6px;margin-left:6px}
.poll-deadline-tag{font-size:10px;font-weight:600;background:rgba(96,165,250,0.15);color:var(--blue);padding:1px 6px;border-radius:6px;margin-left:6px;white-space:nowrap}
.poll-details-btn{margin-top:8px;padding:6px 10px;background:transparent;border:1px solid var(--border);color:var(--text2);border-radius:6px;font-size:11px;cursor:pointer;font-family:var(--font);transition:all .15s;width:100%}
.poll-details-btn:hover{background:var(--bg3);color:var(--text)}
.chat-msg.me .poll-details-btn{border-color:rgba(255,255,255,0.3);color:rgba(255,255,255,0.9)}
.chat-msg.me .poll-details-btn:hover{background:rgba(255,255,255,0.1)}
/* Detail modal content */
.poll-detail-question{font-size:15px;font-weight:700;line-height:1.4;margin-bottom:12px;color:var(--text);padding-bottom:10px;border-bottom:1px solid var(--border)}
.poll-detail-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;font-size:12px;color:var(--text2);margin-bottom:14px}
.poll-detail-meta > div{display:flex;gap:6px;align-items:baseline}
.poll-detail-meta span{color:var(--text3);font-size:11px}
.poll-detail-meta strong{color:var(--text);font-weight:600}
.poll-detail-divider{border-top:1px dashed var(--border);margin:8px 0 14px}
.poll-detail-opt{margin-bottom:12px;background:var(--bg3);border-radius:8px;padding:10px 12px;border:1px solid var(--border)}
.poll-detail-opt-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:13px}
.poll-detail-opt-count{font-size:11px;color:var(--blue);font-weight:600;background:var(--blue-bg);padding:2px 8px;border-radius:10px}
.poll-detail-voters{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.poll-voter{font-size:11px;background:var(--bg2);border:1px solid var(--border);padding:3px 8px;border-radius:10px;color:var(--text2)}
.poll-voter.empty{font-style:italic;color:var(--text3);background:transparent;border:none}
@media(max-width:480px){.poll-detail-meta{grid-template-columns:1fr}}
.poll-options{display:flex;flex-direction:column;gap:6px}
.poll-opt{position:relative;padding:8px 10px;background:rgba(0,0,0,0.18);border:1px solid rgba(255,255,255,0.06);border-radius:8px;cursor:pointer;overflow:hidden;transition:all .15s}
.chat-msg.me .poll-opt{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15)}
.poll-opt:hover:not(.closed){border-color:var(--blue);transform:translateX(2px)}
.poll-opt.voted{border-color:var(--blue);background:rgba(96,165,250,0.15)}
.chat-msg.me .poll-opt.voted{background:rgba(255,255,255,0.18);border-color:rgba(255,255,255,0.5)}
.poll-opt.closed{cursor:default;opacity:0.85}
.poll-opt-bar{position:absolute;left:0;top:0;bottom:0;background:rgba(96,165,250,0.18);transition:width .4s ease;pointer-events:none}
.chat-msg.me .poll-opt-bar{background:rgba(255,255,255,0.15)}
.poll-opt.voted .poll-opt-bar{background:rgba(96,165,250,0.32)}
.poll-opt-content{position:relative;display:flex;align-items:center;gap:8px;font-size:12px;line-height:1.4}
.poll-opt-check{font-weight:700;color:var(--blue);width:14px;flex-shrink:0;font-family:var(--font)}
.chat-msg.me .poll-opt-check{color:#fff}
.poll-opt-text{flex:1;word-break:break-word;color:var(--text)}
.chat-msg.me .poll-opt-text{color:#fff}
.poll-opt-count{font-size:10px;color:var(--text3);font-weight:600;flex-shrink:0;font-family:var(--font);font-variant-numeric:tabular-nums}
.chat-msg.me .poll-opt-count{color:rgba(255,255,255,0.75)}
.poll-close-btn{margin-top:10px;padding:6px 12px;background:transparent;border:1px solid rgba(245,158,11,0.4);color:var(--amber);border-radius:6px;font-size:11px;cursor:pointer;font-family:var(--font);transition:all .15s;width:100%}
.poll-close-btn:hover{background:rgba(245,158,11,0.12)}
.chat-msg.me .poll-close-btn{border-color:rgba(255,255,255,0.4);color:rgba(255,255,255,0.95)}
.chat-msg.me .poll-close-btn:hover{background:rgba(255,255,255,0.12)}

/* I18N CHAT — tin nhắn ngôn ngữ khác bản gốc */
/* Bubble cho tin đã dịch: nền đỏ nhạt + chữ trắng (dễ đọc, không gắt mắt) */
.chat-msg-bubble.chat-msg-translated-bubble{background:#ef6868 !important;color:#fff !important;cursor:pointer;position:relative;padding-right:22px}
.chat-msg.me .chat-msg-bubble.chat-msg-translated-bubble{background:#dc7878 !important;color:#fff !important}
.chat-msg-bubble.chat-msg-translated-bubble a{color:#fef9c3;text-decoration:underline}
.chat-msg-bubble.chat-msg-translated-bubble .chat-msg-reply{background:rgba(0,0,0,0.18);color:#fff;border-left-color:rgba(255,255,255,0.5)}
.chat-msg-bubble.chat-msg-translated-bubble .chat-msg-reply strong{color:#fff}
.chat-msg-bubble.chat-msg-translated-bubble::after{content:'🌐';position:absolute;top:4px;right:6px;font-size:11px;opacity:.85}
.chat-msg-bubble.chat-msg-translated-bubble:hover{background:#e85555 !important}
.chat-msg.me .chat-msg-bubble.chat-msg-translated-bubble:hover{background:#cc6868 !important}
/* Class cũ (nếu vẫn còn áp) — giữ làm fallback */
.chat-msg-translated{color:#f87171}
.chat-msg-lang-tag{display:inline-block;font-size:9.5px;color:var(--text3);margin-top:3px;padding:1px 6px;border:1px solid var(--border2);border-radius:4px;line-height:1.5;font-style:italic;user-select:none}
.chat-msg-lang-tag.clickable{cursor:pointer}
.chat-msg-lang-tag.clickable:hover{background:var(--bg3);color:var(--text2);border-color:var(--text3)}
/* Floating chat — tin dịch */
.float-chat-msg-bubble.chat-msg-translated-bubble{background:#ef6868 !important;color:#fff !important;cursor:pointer;position:relative;padding-right:18px}
.float-chat-msg.me .float-chat-msg-bubble.chat-msg-translated-bubble{background:#dc7878 !important;color:#fff !important}
.float-chat-msg-bubble.chat-msg-translated-bubble::after{content:'🌐';position:absolute;top:2px;right:4px;font-size:9px;opacity:.85}
/* Nút chọn ngôn ngữ trên header */
.chat-hdr-lang{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:var(--bg3);border:1px solid var(--border2);border-radius:6px;cursor:pointer;font-size:11px;color:var(--text2);font-family:var(--font);height:30px}
.chat-hdr-lang:hover{background:var(--bg4);color:var(--text)}
.chat-hdr-lang.active{background:var(--blue-bg);color:var(--blue);border-color:var(--blue)}
.chat-lang-menu{position:absolute;background:var(--bg3);border:1px solid var(--border2);border-radius:8px;padding:4px;box-shadow:0 6px 20px rgba(0,0,0,.4);z-index:10000;min-width:140px}
.chat-lang-menu-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:6px;cursor:pointer;font-size:12px;color:var(--text);background:none;border:none;width:100%;text-align:left;font-family:var(--font)}
.chat-lang-menu-item:hover{background:var(--bg4)}
.chat-lang-menu-item.active{background:var(--blue-bg);color:var(--blue)}
.chat-lang-menu-item .flag{font-size:14px}

.chat-input-area{border-top:1px solid var(--border);padding:8px 12px;background:var(--bg2)}
.chat-reply-preview{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg3);border-left:3px solid var(--blue);border-radius:6px;margin-bottom:6px;font-size:11.5px}
.chat-reply-preview-text{flex:1;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-input-row{display:flex;gap:6px;align-items:end}
/* Desktop + mobile: Tools (emoji/file/poll) ẩn vào popup, hiện qua nút + */
.chat-input-tools{display:none;position:absolute;bottom:55px;left:8px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:6px;box-shadow:0 6px 20px rgba(0,0,0,0.4);z-index:60;flex-direction:row;gap:4px}
.chat-input-tools.open{display:flex}
.chat-input-tools .chat-input-btn{font-size:18px;height:38px;width:38px;padding:0;display:flex;align-items:center;justify-content:center}
.chat-tools-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;padding:0;font-size:22px;font-weight:300;line-height:1;background:var(--bg3);border:1px solid var(--border);color:var(--text2);transition:transform .2s,background .15s}
.chat-tools-toggle.open{background:var(--blue);color:#fff;border-color:var(--blue);transform:rotate(45deg)}
/* Voice button: hiện trên cả desktop + mobile */
.chat-voice-btn{display:inline-flex;width:38px;padding:0}
.chat-voice-btn.recording{background:var(--red);color:#fff;border-color:var(--red);animation:voicePulse 1.2s ease infinite}
@keyframes voicePulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,0.45)}50%{box-shadow:0 0 0 8px rgba(239,68,68,0)}}
/* Input area: cần position:relative cho popup tools absolute */
.chat-input-area{position:relative}
.chat-input{flex:1;min-height:38px;max-height:120px;padding:8px 10px;background:var(--bg3);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;font-family:var(--font);resize:none}
.chat-input:focus{border-color:var(--blue);outline:none}
.chat-input-btn{background:var(--bg3);border:1px solid var(--border);color:var(--text2);padding:8px 10px;border-radius:8px;cursor:pointer;font-size:14px;height:38px;flex-shrink:0;font-family:var(--font);display:inline-flex;align-items:center;justify-content:center}
.chat-input-btn:hover{background:var(--bg4);color:var(--text)}
.chat-input-btn.send{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600;width:38px;padding:0}
.chat-input-btn.send:hover{background:#2563eb;filter:brightness(1.05)}
.chat-input-btn.send svg{display:block}
.chat-input-btn.send:disabled{opacity:.4;cursor:not-allowed}
/* Voice recording bar */
.chat-voice-rec-bar{position:absolute;left:8px;right:8px;bottom:54px;background:var(--bg2);border:1px solid var(--red);border-radius:12px;padding:10px 14px;display:flex;align-items:center;gap:10px;box-shadow:0 6px 20px rgba(239,68,68,0.25);z-index:60;animation:voiceBarSlide .2s ease}
@keyframes voiceBarSlide{from{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}
.chat-voice-cancel{background:var(--bg3);border:1px solid var(--border);color:var(--text2);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:14px;flex-shrink:0;font-family:var(--font);display:flex;align-items:center;justify-content:center}
.chat-voice-cancel:hover{background:var(--red);color:#fff;border-color:var(--red)}
.chat-voice-pulse{width:10px;height:10px;border-radius:50%;background:var(--red);flex-shrink:0;animation:voiceDotPulse 1s infinite}
@keyframes voiceDotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.6);opacity:.6}}
.chat-voice-time{font-size:13px;font-weight:700;color:var(--red);font-variant-numeric:tabular-nums;min-width:40px}
.chat-voice-label{flex:1;font-size:12px;color:var(--text2)}
.chat-voice-stop{background:var(--blue);border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;flex-shrink:0;font-family:var(--font);display:flex;align-items:center;justify-content:center}
.chat-voice-stop:hover{filter:brightness(1.1)}

.chat-emoji-picker{position:absolute;bottom:60px;right:12px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:10px;width:280px;box-shadow:0 6px 20px rgba(0,0,0,0.4);z-index:50;display:none}
.chat-emoji-picker.open{display:block}
.chat-emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;max-height:180px;overflow-y:auto}
.chat-emoji-cell{background:transparent;border:none;font-size:18px;padding:4px;cursor:pointer;border-radius:4px;line-height:1}
.chat-emoji-cell:hover{background:var(--bg3)}
.chat-emoji-section-title{font-size:10px;color:var(--text3);font-weight:600;text-transform:uppercase;margin:6px 0 4px 2px}
.chat-emoji-add{display:flex;gap:4px;margin-top:8px;border-top:1px solid var(--border);padding-top:8px}
.chat-emoji-add input{flex:1;padding:5px 8px;background:var(--bg3);border:1px solid var(--border);border-radius:5px;color:var(--text);font-size:13px}
.chat-emoji-add button{background:var(--blue);border:none;color:#fff;padding:5px 10px;border-radius:5px;font-size:11px;cursor:pointer;font-family:var(--font)}

/* Mobile responsive */
@media (max-width: 800px){
  .chat-shell{grid-template-columns:1fr !important;height:calc(100vh - 110px);position:relative}
  /* Mobile mặc định: hiện sidebar (danh sách phòng), ẩn chat-main */
  .chat-sidebar{display:flex !important;width:100%;border-right:none}
  .chat-main{display:none}
  /* Khi đã chọn phòng (chat-main có class has-room): ẩn sidebar, hiện chat-main */
  .chat-shell.mobile-room-open .chat-sidebar{display:none !important}
  .chat-shell.mobile-room-open .chat-main{display:flex}
  /* Override sidebar-collapsed trên mobile — không có nghĩa */
  .chat-shell.sidebar-collapsed .chat-sidebar{visibility:visible;width:100%;min-width:0;border-right:none;padding:0}
  /* Backwards compat: class mobile-open cũ vẫn force show sidebar */
  .chat-sidebar.mobile-open{display:flex !important;position:absolute;left:0;top:0;width:100%;height:100%;z-index:10;background:var(--bg)}
  .chat-msg{max-width:88%}
  /* Split panel ẩn hoàn toàn trên mobile (không đủ không gian) */
  .chat-shell.has-split{grid-template-columns:1fr !important}
  .chat-shell.has-split .chat-split-panel{display:none !important}
  /* Floating expand btn không cần trên mobile (đã có nút back) */
  .chat-floating-expand-btn{display:none !important}
  /* Touch UX: room item to hơn cho ngón tay, search input rộng */
  .chat-room-item{padding:12px;margin-bottom:4px}
  .chat-room-avatar{width:44px;height:44px;font-size:18px}
  .chat-sidebar-head{padding:10px}
  .chat-sidebar-head input{padding:9px 12px;font-size:13px}
  .chat-sidebar-toggle{display:none}
  .chat-filter-select{padding:8px 12px;font-size:13px}
  /* Nút back hiện mặc định */
  .chat-back-mobile{font-size:22px !important;padding:6px 10px !important}

  /* Mobile: tools popup buttons to hơn để dễ tap (desktop 38px → mobile 42px) */
  .chat-input-tools .chat-input-btn{font-size:18px;height:42px;width:42px}
  /* Mobile composer style */
  .chat-input-area{padding:8px 8px}
  .chat-input-row{align-items:center;gap:6px}
  .chat-input{font-size:15px;min-height:38px;max-height:38px;padding:8px 12px;border-radius:20px;line-height:1.4;transition:max-height .2s ease,border-radius .2s ease}

  /* Style focus mode (Claude-style): textarea expand to khi tap */
  .chat-input-area.focused{padding:8px}
  .chat-input-area.focused .chat-input-row{flex-wrap:wrap;background:var(--bg3);border:1.5px solid var(--blue);border-radius:18px;padding:10px;gap:8px;align-items:stretch}
  .chat-input-area.focused .chat-input{order:1;width:100%;flex-basis:100%;min-height:80px;max-height:200px;background:transparent;border:none;padding:0 4px;font-size:15px;border-radius:0}
  .chat-input-area.focused .chat-input:focus{border:none;outline:none}
  .chat-input-area.focused .chat-tools-toggle{order:2;margin-right:auto;background:transparent;border:none;color:var(--text2)}
  .chat-input-area.focused .chat-voice-btn{order:3;background:transparent;border:none;color:var(--text2);width:40px;height:36px}
  .chat-input-area.focused .chat-input-btn.send{order:4;background:var(--blue);width:40px;height:36px;border-radius:50%}
  .chat-input-area.focused .chat-input-btn.send:disabled{background:var(--bg4);color:var(--text3)}
  /* Khi focus + có popup tools, tools popup nằm bên trên hợp lý */
  .chat-input-area.focused .chat-input-tools{bottom:auto;top:calc(100% + 6px);left:8px}
}
.chat-back-mobile{display:none}
@media (max-width: 800px){
  .chat-back-mobile{display:inline-block;background:transparent;border:none;color:var(--text);font-size:18px;cursor:pointer;padding:0 6px}
}

/* Sidebar badge for unread */
.nav-link-badge{background:var(--red);color:#fff;font-size:9px;font-weight:700;padding:1px 5px;border-radius:8px;min-width:14px;text-align:center;margin-left:auto}

/* Chat header action buttons */
.chat-header.locked{background:linear-gradient(90deg,rgba(245,158,11,0.08),var(--bg2))}
.chat-header-actions{display:flex;gap:4px;align-items:center;flex-shrink:0}
.chat-hdr-btn{background:transparent;border:1px solid var(--border);color:var(--text2);padding:6px 9px;border-radius:7px;cursor:pointer;font-size:13px;font-family:var(--font);transition:all .15s;position:relative;line-height:1}
.chat-hdr-btn:hover{background:var(--bg3);color:var(--text);border-color:var(--border2)}
.chat-hdr-badge{position:absolute;top:-4px;right:-4px;background:var(--amber);color:#000;font-size:9px;font-weight:700;padding:1px 4px;border-radius:8px;min-width:14px;text-align:center}

/* Pin panel + Bookmark panel */
.chat-pin-panel,.chat-bookmark-panel{background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 14px;max-height:240px;overflow-y:auto}
.chat-pin-panel.open,.chat-bookmark-panel.open{display:block !important}
.chat-pin-item,.chat-bm-item{display:flex;align-items:center;gap:8px;padding:7px 10px;background:var(--bg3);border-radius:7px;margin-bottom:5px;cursor:pointer;transition:background .12s}
.chat-pin-item:hover,.chat-bm-item:hover{background:var(--bg4)}
.chat-pin-item-content{flex:1;min-width:0;font-size:11.5px;color:var(--text2);line-height:1.5}
.chat-pin-item-content strong{color:var(--text);font-size:11px}
.chat-bm-item-icon{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}
.chat-bm-add-row{display:flex;gap:6px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}
.chat-bm-add-row input{flex:1;padding:6px 8px;background:var(--bg);border:1px solid var(--border);border-radius:5px;color:var(--text);font-size:11px}
.chat-bm-add-row button{background:var(--blue);color:#fff;border:none;padding:6px 12px;border-radius:5px;font-size:11px;font-weight:600;cursor:pointer;font-family:var(--font);flex-shrink:0}

/* Project links bar (within chat header area) */
.chat-project-links-bar{background:var(--bg2);padding:8px 14px;border-bottom:1px solid var(--border);display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:11px;color:var(--text3)}
.chat-proj-link{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);text-decoration:none;font-size:11.5px;font-weight:500;transition:background .12s}
.chat-proj-link:hover{background:var(--bg4)}
/* Mini link icons in header (cùng hàng với pin/bookmark) */
.chat-hdr-proj-links{display:inline-flex;gap:4px;align-items:center;margin-right:6px;border-right:1px solid var(--border);padding-right:8px}
.chat-hdr-proj-links:empty{display:none}
.chat-hdr-link{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.chat-hdr-link:hover{background:var(--bg3) !important}
/* ============== END CHAT ============== */

/* ============== FLOATING CHAT (Messenger-style) ============== */
.float-chats-wrap{position:fixed;bottom:0;right:14px;display:flex;align-items:flex-end;gap:8px;z-index:9000;pointer-events:none}
.float-chat{pointer-events:auto;width:320px;height:460px;background:var(--bg2);border:1px solid var(--border);border-bottom:none;border-radius:10px 10px 0 0;display:flex;flex-direction:column;box-shadow:0 -4px 20px rgba(0,0,0,0.45);overflow:hidden}
.float-chat.minimized{height:42px}
.float-chat-head{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--bg3);border-bottom:1px solid var(--border);cursor:pointer;flex-shrink:0;min-height:42px}
.float-chat-head .avatar{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:700;flex-shrink:0}
.float-chat-head .avatar.type-direct{background:linear-gradient(135deg,#60a5fa,#3b82f6)}
.float-chat-head .avatar.type-group{background:linear-gradient(135deg,#a855f7,#7c3aed)}
.float-chat-head .avatar.type-project{background:linear-gradient(135deg,#34d399,#10b981)}
.float-chat-head .name{flex:1;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-chat-head .actions{display:flex;gap:2px}
.float-chat-head .actions button{background:transparent;border:none;color:var(--text2);cursor:pointer;font-size:14px;padding:2px 5px;border-radius:4px;line-height:1;font-family:var(--font)}
.float-chat-head .actions button:hover{background:var(--bg4);color:var(--text)}
.float-chat-body{flex:1;display:flex;flex-direction:column;min-height:0}
.float-chat.minimized .float-chat-body{display:none}
.float-chat-msgs{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:5px;background:var(--bg)}
.float-chat-msg{display:flex;gap:6px;max-width:90%;align-items:flex-start}
.float-chat-msg.me{align-self:flex-end;flex-direction:row-reverse}
.float-chat-msg-bubble{background:var(--bg3);padding:6px 10px;border-radius:11px;font-size:12px;color:var(--text);line-height:1.45;word-wrap:break-word;max-width:100%;position:relative}
.float-chat-msg.me .float-chat-msg-bubble{background:var(--blue);color:#fff}
.float-chat-msg.system{align-self:center;max-width:90%}
.float-chat-msg.system .float-chat-msg-bubble{background:transparent;color:var(--text3);font-size:10.5px;font-style:italic;text-align:center;padding:3px 8px}
.float-chat-msg-sender{font-size:10px;color:var(--text3);font-weight:600;margin-bottom:2px}
.float-chat-msg-time{font-size:9px;color:var(--text3);margin-top:1px}
.float-chat-msg.me .float-chat-msg-time{text-align:right}
.float-chat-msg-img{max-width:200px;max-height:180px;border-radius:6px;cursor:pointer;display:block}
.float-chat-msg-file{display:inline-flex;align-items:center;gap:6px;background:rgba(0,0,0,0.2);padding:5px 8px;border-radius:6px;text-decoration:none;color:inherit;font-size:11px}
.float-chat-msg-reply{font-size:10px;background:rgba(0,0,0,0.15);border-left:2px solid var(--blue);padding:3px 6px;border-radius:3px;margin-bottom:3px;color:var(--text2);cursor:pointer}
.float-chat-input-area{border-top:1px solid var(--border);padding:6px 8px;background:var(--bg2);flex-shrink:0}
.float-chat-input-row{display:flex;gap:4px;align-items:center}
.float-chat-input{flex:1;min-height:32px;max-height:80px;padding:6px 8px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px;font-family:var(--font);resize:none;line-height:1.4}
.float-chat-input:focus{border-color:var(--blue);outline:none}
.float-chat-btn{background:var(--bg3);border:1px solid var(--border);color:var(--text2);padding:5px 8px;border-radius:6px;cursor:pointer;font-size:13px;flex-shrink:0;font-family:var(--font);height:32px;line-height:1}
.float-chat-btn:hover{background:var(--bg4);color:var(--text)}
.float-chat-btn.send{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600;font-size:11px;padding:5px 10px}
.float-chat-unread-dot{position:absolute;top:4px;right:4px;background:var(--red);width:8px;height:8px;border-radius:50%;border:2px solid var(--bg3)}
@media (max-width: 800px){
  .float-chats-wrap{right:0;left:0;bottom:0;flex-direction:column-reverse;align-items:stretch;gap:0}
  .float-chat{width:100%;height:50vh;border-radius:10px 10px 0 0;border-left:none;border-right:none}
  .float-chat.minimized{height:42px}
  /* Trên mobile: nếu có >1 thanh, các thanh thứ 2 trở đi sẽ tự thu nhỏ chỉ hiện title */
  .float-chats-wrap .float-chat:not(:first-child){height:42px}
  .float-chats-wrap .float-chat:not(:first-child) .float-chat-body{display:none}
}
/* ============== END FLOATING CHAT ============== */

/* Color picker mini cho thanh chat nổi */
.float-chat-color-picker{position:absolute;top:42px;right:8px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:6px;display:flex;flex-wrap:wrap;gap:4px;width:140px;box-shadow:0 4px 14px rgba(0,0,0,0.4);z-index:50}
.fc-color-cell{width:26px;height:26px;border-radius:50%;border:2px solid var(--bg);cursor:pointer;padding:0;transition:transform .12s}
.fc-color-cell:hover{transform:scale(1.15);border-color:var(--text)}
/* Project links bar trong thanh chat nổi */
.float-chat-proj-links{display:flex;flex-wrap:wrap;gap:4px;padding:6px 8px;background:var(--bg2);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center}
.float-chat-proj-links:empty{display:none}