:root{--bg:#0c0e12;--fg:#eef2f7;--muted:#9fb3d1;--line:#1f2633;--accent:#15b415}
    *{box-sizing:border-box}
    html,body{height:100%}
    body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
    header{padding:8px 12px;border-bottom:1px solid var(--line);background:#0f1420;position:sticky;top:0;z-index:20}
    header .brand-row{display:flex;align-items:center;gap:10px}
    #brandLogo{height:28px;width:auto;display:block}
    h2{margin:0;font-size:clamp(16px,2.4vw,20px)}
    #main{display:flex;height:calc(100vh - 52px);min-height:520px}
    #sidebar{width:380px;border-right:2px solid var(--accent);overflow:hidden;padding:10px;background:#0b1320;display:flex;flex-direction:column;gap:10px}
    #sidebarTop{height:50%;min-height:220px;overflow:auto;padding-right:4px;border-bottom:1px solid #24304b;padding-bottom:8px}
    #aiChatPanel{height:50%;min-height:230px;display:flex;flex-direction:column;border:1px solid #24304b;border-radius:12px;background:#0e1728;overflow:hidden}
    .aiHeader{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-bottom:1px solid #24304b;background:#101827;font-weight:700}
    .aiHint{font-size:11px;color:var(--muted);font-weight:400}
    #aiMessages{flex:1;overflow:auto;padding:10px;display:flex;flex-direction:column;gap:8px}
    .aiMsg{padding:8px 10px;border-radius:10px;line-height:1.35;font-size:13px;white-space:pre-wrap;word-break:break-word}
    .aiMsg.user{align-self:flex-end;background:#0b4fb3;color:#fff;max-width:92%}
    .aiMsg.assistant{align-self:flex-start;background:#111f35;border:1px solid #243b63;color:#eef2f7;max-width:96%}
    .aiMsg.error{align-self:flex-start;background:#3a0b0b;border:1px solid #6a1b1b;color:#ffd7d7;max-width:96%}
    .aiInputBox{border-top:1px solid #24304b;padding:8px;display:flex;flex-direction:column;gap:6px;background:#0b1320}
    #aiQuestion{width:100%;min-height:58px;resize:vertical;border-radius:10px;border:1px solid #2a3346;background:#07101d;color:#e8edf5;padding:8px;font:inherit;font-size:13px}
    .aiInputActions{display:flex;align-items:center;justify-content:space-between;gap:8px}
    #aiAskBtn{background:#0b4fb3;border-color:#1877e7;font-weight:700}
    #aiAskBtn:disabled{opacity:.6;cursor:not-allowed}
    .aiSmall{font-size:11px;color:var(--muted)}
    #viewer{position:relative;flex:1 1 0;min-width:0;overflow:hidden;touch-action:none;overscroll-behavior:contain;-webkit-user-select:none;user-select:none}
    .row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
    button,.btn{padding:6px 10px;border-radius:8px;border:1px solid #2a3346;background:#101827;color:#e8edf5;cursor:pointer}
    .navButton{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font:inherit;font-size:13px;min-height:34px}
    .navButton:hover,.navButton:focus-visible{border-color:var(--accent);background:#16263a;outline-offset:3px}
    input[type=file],input[type=text]{padding:6px;border-radius:8px;border:1px solid #2a3346;background:#111725;color:#e8edf5}
    label{font-size:12px;color:var(--muted)}
    .tree h4{margin:6px 0 4px;color:#d6e1f7}
    .block{border:1px solid #24304b;border-radius:10px;padding:8px;margin:8px 0;background:#0e1728}
    .indent{margin-left:14px}
    .small{font-size:12px;color:var(--muted)}

    #canvasWrap{position:absolute;inset:0;touch-action:none;-webkit-user-select:none;user-select:none}
    .half{position:absolute;top:0;bottom:0;width:50%}
    .half.left{left:0}
    .half.right{right:0}
    canvas{position:absolute;inset:0;display:block;width:100%;height:100%;background:radial-gradient(ellipse at center,#121a2b 0%,#09101d 100%);touch-action:none;-webkit-user-select:none;user-select:none}
    .paneLoadIndicator{--pane-progress:0%;position:absolute;top:50%;left:25%;transform:translate(-50%,-50%) scale(.94);z-index:2200;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
    .paneLoadIndicatorRight{left:75%}
    .paneLoadIndicator.isVisible{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}
    .paneLoadCard{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 16px;border:1px solid rgba(47,75,120,.9);border-radius:16px;background:rgba(7,16,29,.86);box-shadow:0 12px 30px rgba(0,0,0,.46),0 0 24px rgba(13,85,183,.2);backdrop-filter:blur(5px)}
    .paneLoadRing{position:relative;width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#19c419 var(--pane-progress),rgba(42,51,70,.78) 0);box-shadow:0 0 18px rgba(25,196,25,.2)}
    .paneLoadRing::before{content:'';position:absolute;inset:6px;border-radius:50%;background:linear-gradient(145deg,#101827,#07101d);border:1px solid rgba(255,255,255,.06)}
    .paneLoadRing span{position:relative;z-index:1;color:#fff;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;text-shadow:0 1px 5px rgba(0,0,0,.7)}
    .paneLoadLabel{color:#b9c9e3;font-size:11px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
    @media (max-width:900px){.paneLoadCard{padding:10px 13px}.paneLoadRing{width:66px;height:66px}.paneLoadRing span{font-size:16px}.paneLoadLabel{font-size:10px}}
    .overlay{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:10;align-items:flex-start;flex-direction:column}
    .overlay .group{display:flex;gap:6px;align-items:center;background:rgba(0,0,0,.25);padding:4px 6px;border-radius:8px}
    .hud{position:absolute;left:10px;bottom:10px;font-size:12px;color:var(--muted);background:rgba(0,0,0,.35);padding:6px 8px;border-radius:8px;z-index:6}
    .divider{position:absolute;top:0;bottom:0;left:50%;width:6px;margin-left:-3px;background:#19c419;opacity:.6;z-index:3}

    .layout-wipe .half{left:0 !important;right:auto !important;width:100%}
    .wipeSlider{position:absolute;top:0;bottom:0;left:50%;width:32px;margin-left:-16px;background:transparent;cursor:ew-resize;z-index:110;display:none;touch-action:none;-webkit-user-select:none;user-select:none}
    .wipeSlider::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:6px;margin-left:-3px;background:#19c419;box-shadow:0 0 8px #19c419}

    input[type=checkbox],input[type=radio]{cursor:pointer}
    .deleteBtn{margin-left:6px;background:#3a0b0b;border-color:#6a1b1b}
    .tree h4{display:flex;align-items:center;gap:5px}
    .tree .treeName{min-width:0;flex:1 1 auto;padding:2px 4px;border:1px solid transparent;border-radius:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .tree .treeName.isEditing{background:#07101d;border-color:#1877e7;outline:none;overflow:visible;text-overflow:clip;white-space:normal}
    .tree .editBtn{margin-left:auto;background:#13223a;border-color:#2f4b78}
    .tree .editBtn:disabled{opacity:.42;cursor:not-allowed}

    .footerbar{position:fixed;left:0;right:0;bottom:0;height:26px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);background:linear-gradient(to top, rgba(0,0,0,.45), rgba(0,0,0,.2), rgba(0,0,0,0));z-index:30;pointer-events:none}
    .footerbar a{color:var(--muted);text-decoration:none;border-bottom:1px dotted rgba(159,179,209,.6);pointer-events:auto}

    /* === Megnyitás/Mentés overlay === */
    #loadingOverlay{position:fixed; inset:0; display:none; align-items:center; justify-content:center; background:rgba(0,0,0,.45); z-index:1000}
    #loadingOverlay .box{display:flex; align-items:center; gap:10px; background:#0f1420; border:1px solid #2a3346; padding:12px 16px; border-radius:12px; color:var(--fg); box-shadow:0 6px 22px rgba(0,0,0,.4); min-width:320px;}
    .spinner{width:18px;height:18px;border:2px solid #2a3346;border-top-color:#19c419;border-radius:50%;animation:spin 1s linear infinite}
    @keyframes spin{to{transform:rotate(360deg)}}

    /* progress bar */
    #loadProgressWrap{width:100%; height:8px; background:#121826; border:1px solid #2a3346; border-radius:999px; overflow:hidden}
    #loadProgressBar{width:0%; height:100%; background:#19c419}
    #loadPercent{min-width:42px; text-align:right; font-variant-numeric: tabular-nums; color:var(--muted)}

    /* === Összecsukható fa UI === */
    .node{position:relative}
    .node-header{display:flex;align-items:center;gap:8px}
    .twisty{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;border-radius:4px}
    .twisty:hover{background:rgba(255,255,255,.06)}
    .twisty::before{content:'▶';font-size:11px;line-height:1;transform:rotate(90deg);transition:transform .15s ease}
    .collapsed > .node-header .twisty::before{transform:rotate(0deg)}
    .children{margin-top:6px}
    .collapsed > .children{display:none}

    /* Close (X) gomb a paneleken */
    .closeBtn{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:999px;border:1px solid rgba(255,255,255,.6);background:rgba(0,0,0,.55);color:#fff;cursor:pointer;z-index:100;display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;opacity:.9;user-select:none;-webkit-user-select:none;touch-action:none;outline:none}
    .closeBtn:hover{opacity:1;background:rgba(0,0,0,.7)}
    .closeBtn:hover{background:rgba(255,255,255,.14)}


    /* === Felhő/auth UI === */
    #authScreen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0c0e12;z-index:2000}
    #authBox{width:min(420px,calc(100vw - 32px));border:1px solid #24304b;border-radius:16px;background:#0e1728;padding:18px;box-shadow:0 12px 35px rgba(0,0,0,.45)}
    #authBox h2{margin:0 0 12px;font-size:20px}
    #authBox label{display:block;margin-top:10px}
    #authBox input{width:100%}
    #authMsg{margin-top:10px;color:#fecaca;font-size:13px;min-height:18px}
    .cloudBar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px;font-size:12px;color:var(--muted)}
    #cloudStatus{padding:4px 8px;border:1px solid #2a3346;border-radius:999px;background:#101827}
    #cloudStatus.saving{color:#fde68a;border-color:#a16207}
    #cloudStatus.ok{color:#bbf7d0;border-color:#166534}
    #cloudStatus.err{color:#fecaca;border-color:#7f1d1d}
    #projectSelect{max-width:210px}
    #main.appLocked{display:none}

    /* === V10 kompakt fa + alsó képválasztók === */
    .tree{font-size:12px;line-height:1.15}
    .tree h4{font-size:12px;margin:4px 0 6px}
    .tree .block{padding:5px 6px;margin:4px 0;border-radius:8px}
    .tree .node-header{gap:5px;min-height:24px}
    .tree button{padding:3px 6px;border-radius:6px;font-size:11px;line-height:1.15}
    .tree .twisty{width:14px;height:14px}
    .tree .twisty::before{font-size:10px}
    .tree .roomActive{border-color:#1d9f4a;box-shadow:0 0 0 1px rgba(29,159,74,.35) inset}
    .tree .roomLeaf{cursor:pointer}
    .tree .roomLeaf:hover{background:#13223a;border-color:#2f4b78}
    .tree .roomLeaf .node-header{cursor:pointer}
    .tree .selectRoomBtn{font-weight:600;background:#13223a}

    /* Viewer also kepvalaszto gombok: maradnak a viewerben, de minden kep/canvas/wipe reteg felett. */
    #canvasWrap{isolation:isolate}
    .half{z-index:0}
    canvas{z-index:0}
    .divider{z-index:80}
    .wipeSlider{z-index:90}
    .overlay{z-index:3000}
    .hud{z-index:2500}
    .imageBottomBar{position:absolute;bottom:54px;z-index:6000!important;display:flex;justify-content:center;gap:10px;pointer-events:none;transform:translateZ(0);visibility:visible!important;opacity:1!important}
    .imageBottomBarLeft{left:0;right:auto;width:50%}
    .imageBottomBarRight{left:50%;right:auto;width:50%}
    .imagePill{pointer-events:auto!important;border:none;border-radius:999px;padding:11px 22px;min-width:180px;background:#0d55b7;color:white;font-size:17px;letter-spacing:.2px;box-shadow:0 6px 18px rgba(0,0,0,.42);touch-action:manipulation;-webkit-user-select:none;user-select:none}
    .imagePill:hover{filter:brightness(1.08)}
    .imageDeleteBtn{pointer-events:auto!important;border-radius:999px;padding:9px 14px;background:rgba(80,10,10,.9);border:1px solid rgba(255,120,120,.65);color:#fff;font-size:13px;box-shadow:0 6px 16px rgba(0,0,0,.36);touch-action:manipulation;-webkit-user-select:none;user-select:none}
    .imageDeleteBtn:disabled{opacity:.35;cursor:not-allowed}
    @media (pointer:coarse){
      .imageBottomBar{bottom:72px;gap:12px}
      .imagePill{font-size:18px;min-width:200px;padding:13px 22px}
      .imageDeleteBtn{font-size:14px;padding:11px 15px}
    }
    .pickerMenu{position:fixed;z-index:7200;background:#0f172a;border:1px solid #2a3346;border-radius:12px;box-shadow:0 16px 38px rgba(0,0,0,.55);width:min(420px,calc(100vw - 16px));min-width:280px;max-height:min(60vh,520px);overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:6px;display:none;color:#eef2f7}
    .pickerMenu button{width:100%;text-align:left;margin:2px 0;border-radius:8px;background:#111827;border:1px solid transparent;color:#e8edf5;padding:8px 10px}
    .pickerMenu button:hover{background:#17233a;border-color:#2a3346}
    .pickerMenu .newUpload{position:sticky;top:0;z-index:2;background:#0b4a22;border-color:#166534;color:#dcfce7;font-weight:700;box-shadow:0 4px 10px rgba(5,12,22,.72)}
    .pickerMenu .emptyHint{font-size:12px;color:#9fb3d1;padding:8px 10px}
    .pickerMenu .imagePickerCard{position:relative;display:grid;grid-template-columns:96px minmax(0,1fr);align-items:center;gap:10px;padding:6px}
    .pickerMenu .imagePickerCard.isSelected{border-color:#19c419;background:#10291a;box-shadow:0 0 0 1px rgba(25,196,25,.2) inset}
    .imagePickerThumb{position:relative;display:grid;place-items:center;width:96px;aspect-ratio:16/9;overflow:hidden;border:1px solid #31405c;border-radius:7px;background:linear-gradient(135deg,#09111e,#17233a);color:#7890b4}
    .imagePickerThumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
    .imagePickerThumbPlaceholder{font-size:22px;line-height:1}
    .imagePickerThumb.isLoaded .imagePickerThumbPlaceholder{display:none}
    .imagePickerThumb.isMissing{border-style:dashed}
    .imagePickerCopy{position:relative;display:flex;min-width:0;flex-direction:column;gap:4px;padding-right:22px}
    .imagePickerDate{overflow:hidden;color:#f4f7fb;font-size:13px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}
    .imagePickerUploader{overflow:hidden;color:#9fb3d1;font-size:11px;text-overflow:ellipsis;white-space:nowrap}
    .imagePickerSelectedMark{position:absolute;right:1px;top:50%;display:grid;place-items:center;width:19px;height:19px;transform:translateY(-50%);border-radius:999px;background:#19c419;color:#041108;font-size:12px;font-weight:900}

    .modalOverlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.55);z-index:2500}
    .modalBox{width:min(520px,calc(100vw - 32px));background:#0e1728;border:1px solid #24304b;border-radius:16px;padding:16px;box-shadow:0 18px 45px rgba(0,0,0,.48)}
    .modalBox h3{margin:0 0 12px;font-size:18px}
    .modalBox label{display:block;margin:10px 0 5px}
    .modalBox input[type=text]{width:100%}
    .dropZone{margin-top:10px;border:1px dashed #4b5f83;border-radius:12px;padding:18px;text-align:center;color:#9fb3d1;background:#0b1320}
    .dropZone.dragover{background:#11223a;border-color:#19c419;color:#e8edf5}
    .modalActions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
    .modalFileName{font-size:12px;color:#bbf7d0;margin-top:8px;min-height:16px}
    #feedbackModal{z-index:8000}
    .feedbackModalBox select,.feedbackModalBox textarea{width:100%;padding:8px 10px;border-radius:9px;border:1px solid #2a3346;background:#07101d;color:#e8edf5;font:inherit}
    .feedbackModalBox textarea{resize:vertical;min-height:110px}
    .feedbackPreview{display:block;width:100%;max-height:230px;object-fit:contain;margin-top:12px;border:1px solid #2a3346;border-radius:10px;background:#07101d}
    .feedbackPreview.hidden{display:none}
    .feedbackStatus{min-height:18px;margin-top:9px;font-size:12px;color:#bbf7d0}
    .feedbackStatus.isError{color:#fecaca}
    .feedbackCaptureAgain{margin-top:8px;border-color:#355a7d;background:#10233a}
    #feedbackSubmit{border-color:#166534;background:#0b4a22;font-weight:700}

    /* === Language selector === */
    header{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .languageBox{position:relative;margin-left:auto;z-index:60}
    .languageBtn{display:flex;align-items:center;gap:8px;border-radius:999px;border:1px solid #31405c;background:#0b1320;color:#eef2f7;padding:7px 12px;font-size:14px;min-width:136px;justify-content:space-between}
    .languageBtn .globe{font-size:17px;color:#61dafb}
    .languageMenu{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;background:#0f172a;border:1px solid #2a3346;border-radius:14px;box-shadow:0 18px 38px rgba(0,0,0,.55);overflow:hidden;display:none}
    .languageMenu.open{display:block}
    .languageMenu button{display:block;width:100%;border:0;border-radius:0;background:#0f172a;color:#eef2f7;text-align:left;padding:13px 16px;font-size:15px}
    .languageMenu button:hover{background:#17233a}
    .languageMenu button.active{background:#10223a;color:#bbf7d0}


    /* === 2026-08-25: átméretezhető oldalsáv, helyiségmozgatás és telefonos munkanézet === */
    #sidebar{--tree-pane-height:50%;gap:0}
    #sidebarTop{height:auto;min-height:120px;flex:0 0 var(--tree-pane-height);border-bottom:0;padding-bottom:6px}
    #sidebarResizeHandle{position:relative;flex:0 0 12px;margin:2px 0;cursor:ns-resize;touch-action:none;outline:none}
    #sidebarResizeHandle::before{content:'';position:absolute;left:0;right:0;top:5px;height:2px;border-radius:999px;background:#31405c;transition:background .16s ease,box-shadow .16s ease}
    #sidebarResizeHandle span{position:absolute;left:50%;top:2px;width:42px;height:8px;transform:translateX(-50%);border-radius:999px;background:#101827;border:1px solid #31405c}
    #sidebarResizeHandle:hover::before,#sidebarResizeHandle:focus-visible::before,.sidebarResizing #sidebarResizeHandle::before{background:#19c419;box-shadow:0 0 8px rgba(25,196,25,.55)}
    #aiChatPanel{height:auto;min-height:160px;flex:1 1 auto}
    .sidebarResizing{cursor:ns-resize!important;user-select:none!important}

    .tree .roomDragHandle{flex:0 0 22px;width:22px;height:22px;display:inline-grid;place-items:center;padding:0;margin:0 1px 0 0;border:1px solid transparent;border-radius:6px;background:transparent;color:#7890b4;font-size:15px;line-height:1;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}
    .tree .roomDragHandle:hover,.tree .roomDragHandle:focus-visible{color:#fff;background:#17233a;border-color:#3b5276;outline:none}
    .tree .roomDragHandle[aria-disabled="true"]{opacity:.28;cursor:not-allowed}
    .tree .roomLeaf{transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease,opacity .18s ease}
    .tree .roomLeaf.isDragging{opacity:.32}
    body.roomDragging,body.roomDragging *{cursor:grabbing!important;-webkit-user-select:none!important;user-select:none!important}
    .roomDragGhost{position:fixed;left:0;top:0;z-index:9000;max-width:min(320px,75vw);padding:9px 12px;border:1px solid #19c419;border-radius:10px;background:rgba(11,19,32,.96);box-shadow:0 16px 36px rgba(0,0,0,.52),0 0 18px rgba(25,196,25,.18);color:#fff;font-size:13px;font-weight:700;pointer-events:none;transform:translate(14px,14px)}
    .tree .roomLeaf.roomDropBefore::before,.tree .roomLeaf.roomDropAfter::after{content:'';position:absolute;left:4px;right:4px;height:3px;border-radius:999px;background:#19c419;box-shadow:0 0 9px #19c419;z-index:5}
    .tree .roomLeaf.roomDropBefore::before{top:-4px}.tree .roomLeaf.roomDropAfter::after{bottom:-4px}
    .tree .levelNode.roomDropInside>.node-header,.tree .buildingNode.roomDropInside>.node-header{border-radius:7px;background:#12311b;box-shadow:0 0 0 1px #19c419 inset}
    #mobileNav{display:none}

    @media (max-width:760px){
      html,body{height:100dvh;overflow:hidden}
      body{display:flex;flex-direction:column}
      header{position:relative;flex:0 0 auto;padding:6px 8px;gap:6px}
      header .brand-row{min-width:0;gap:6px}#brandLogo{height:22px}h2{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .languageBtn{min-width:0;padding:6px 9px;font-size:12px}.languageBtn .globe{display:none}.languageMenu{min-width:150px}
      #main{position:relative;flex:1 1 auto;height:auto;min-height:0;width:100%;display:block}
      #viewer,#sidebar{position:absolute;inset:0 0 82px;min-height:0}
      #sidebar{width:100%;padding:9px;border-right:0;overflow:hidden}
      #mobileNav{position:absolute;left:8px;right:8px;bottom:29px;height:50px;z-index:1800;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:5px;border:1px solid #31405c;border-radius:14px;background:rgba(11,19,32,.96);box-shadow:0 10px 28px rgba(0,0,0,.46);backdrop-filter:blur(8px)}
      #mobileNav button{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;padding:6px 5px;border:0;background:transparent;color:#9fb3d1;font-size:12px}
      #mobileNav button.active{background:#0b4a22;color:#fff;box-shadow:0 0 0 1px #19c419 inset}
      #main[data-mobile-view="viewer"] #sidebar{display:none}
      #main[data-mobile-view="tree"] #viewer,#main[data-mobile-view="ai"] #viewer{display:none}
      #main[data-mobile-view="tree"] #sidebarTop{display:block;flex:1 1 auto;min-height:0;padding-bottom:0}
      #main[data-mobile-view="tree"] #sidebarResizeHandle,#main[data-mobile-view="tree"] #aiChatPanel{display:none}
      #main[data-mobile-view="ai"] #sidebarTop,#main[data-mobile-view="ai"] #sidebarResizeHandle{display:none}
      #main[data-mobile-view="ai"] #aiChatPanel{display:flex;flex:1 1 auto;min-height:0}
      .cloudBar{gap:5px}.cloudBar button,.cloudBar a{font-size:11px}#projectSelect{max-width:170px}
      .tree .node-header{min-height:32px}.tree .roomDragHandle{width:30px;height:30px;flex-basis:30px;font-size:19px}
      .overlay{top:5px;right:5px;max-width:calc(100% - 10px);gap:4px}.overlay .group{justify-content:flex-end;flex-wrap:wrap;gap:3px;padding:3px}.overlay button,.overlay label{font-size:10px;padding:4px 6px}
      .imageBottomBar{bottom:40px;gap:4px;padding:0 4px;flex-direction:column;align-items:stretch}
      .imagePill{width:100%;min-width:0;padding:8px 5px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .imageDeleteBtn{align-self:center;padding:6px 9px;font-size:11px}
      .hud{bottom:6px;left:6px;font-size:10px;padding:4px 6px}
      .paneLoadCard{padding:8px 10px}.paneLoadRing{width:58px;height:58px}.paneLoadRing span{font-size:14px}.paneLoadLabel{font-size:9px}
      .footerbar{height:26px;font-size:10px;padding:0 6px;text-align:center}
    }

    @media (max-width:390px){
      #brandLogo{display:none}h2{font-size:13px}.languageBtn{font-size:11px}
      #projectSelect{max-width:145px}.imagePill{font-size:11px}.overlay .group{max-width:260px}
    }
    /* === 2026-08-25: kompakt mobil képvezérlők === */
    .mobileToolsToggle,.mobileImageActionsToggle{display:none}

    @media (max-width:760px){
      #viewer,#sidebar{inset:0 0 72px}
      #mobileNav{left:7px;right:7px;bottom:28px;height:42px;padding:4px;border-radius:12px}
      #mobileNav button{padding:4px;font-size:11px}
      .mobileToolsToggle{position:absolute;display:grid;place-items:center;top:7px;left:7px;z-index:6200;width:40px;height:36px;padding:0;border:1px solid rgba(111,146,196,.72);border-radius:999px;background:rgba(8,18,32,.84);box-shadow:0 5px 16px rgba(0,0,0,.4);color:#fff;font-size:18px;font-weight:800;line-height:1;backdrop-filter:blur(6px);touch-action:manipulation}
      .overlay{display:none;top:49px;left:7px;right:7px;max-width:none;max-height:calc(100% - 98px);overflow:auto;gap:5px;padding:6px;border:1px solid rgba(49,64,92,.9);border-radius:12px;background:rgba(8,18,32,.92);box-shadow:0 10px 28px rgba(0,0,0,.5);backdrop-filter:blur(8px)}
      #canvasWrap.mobileToolsOpen .overlay{display:flex}
      #canvasWrap.mobileToolsOpen .overlay .group{width:100%;justify-content:center;background:rgba(0,0,0,.18)}
      .closeBtn{top:7px;right:7px;width:28px;height:28px;font-size:15px}
      .hud{display:none}
      .imageBottomBar{bottom:7px;width:auto;gap:5px;padding:0;align-items:flex-start}
      .imageBottomBarLeft{left:7px;right:auto;width:auto}
      .imageBottomBarRight{left:auto;right:7px;width:auto;align-items:flex-end}
      .mobileImageActionsToggle{pointer-events:auto;display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid rgba(111,146,196,.72);border-radius:999px;background:rgba(8,18,32,.84);box-shadow:0 5px 16px rgba(0,0,0,.4);color:#fff;font-size:18px;line-height:1;backdrop-filter:blur(6px);touch-action:manipulation}
      .imageBottomBar .imagePill,.imageBottomBar .imageDeleteBtn{display:none}
      .imageBottomBar.mobileActionsOpen{padding:6px;border:1px solid rgba(49,64,92,.9);border-radius:12px;background:rgba(8,18,32,.92);box-shadow:0 8px 22px rgba(0,0,0,.48);backdrop-filter:blur(8px)}
      .imageBottomBar.mobileActionsOpen .imagePill,.imageBottomBar.mobileActionsOpen .imageDeleteBtn{display:block}
      .imageBottomBar.mobileActionsOpen .imagePill{width:auto;max-width:min(42vw,170px);min-width:0;padding:7px 10px;font-size:11px}
      .imageBottomBar.mobileActionsOpen .imageDeleteBtn{align-self:center;padding:6px 9px;font-size:10px}
      .imageBottomBarRight.mobileActionsOpen .imageDeleteBtn{align-self:flex-end}
      .paneLoadIndicator{z-index:2100}
    }

    @media (max-width:390px){
      .mobileToolsToggle,.mobileImageActionsToggle{width:36px;height:36px}
      .imageBottomBar.mobileActionsOpen .imagePill{max-width:42vw;font-size:10px}
    }
@media (max-width:760px){
      .pickerMenu{min-width:0;max-height:min(66vh,480px)}
      .pickerMenu .imagePickerCard{grid-template-columns:78px minmax(0,1fr);gap:8px}
      .imagePickerThumb{width:78px}
      .imagePickerDate{font-size:12px}
      .imagePickerUploader{font-size:10px}
    }