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var(--border)}.shell-panel-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-category-tabs{grid-template-columns:repeat(3,minmax(0,1fr));background:transparent}.shell-panel-tabs button,.tool-category-tabs button{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;padding-inline:8px}.shell-panel-tabs .shell-only{display:none}.shell-panel-tabs button[aria-selected=true],.tool-category-tabs button[aria-selected=true],.shell-panel-tabs button[aria-expanded=true],.shell-project-trigger[aria-expanded=true],#app[data-editor-mode=view] [data-shell-panel=view]{border-color:var(--accent);background:#3b82f62e;color:#fff}button:focus-visible,.edit-select:focus-visible,.layer-item input:focus-visible{outline:3px solid rgba(96,165,250,.72);outline-offset:2px}button{touch-action:manipulation}.tool-btn{touch-action:pan-y}.header-save,.header-publish{display:inline-flex;align-items:center;justify-content:center;gap:7px}.header-save[aria-busy=true]:before,.header-publish[aria-busy=true]:before{width:13px;height:13px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;content:"";animation:shell-spin .7s linear infinite}@keyframes shell-spin{to{transform:rotate(360deg)}}.aside-body{display:flex;min-width:0;min-height:0;flex:1;flex-direction:column;overflow:hidden;background:var(--surface)}.aside-body-header{min-height:52px;align-items:center;justify-content:space-between;padding:6px 10px 6px 14px;border-bottom:1px solid var(--border)}.aside-body-header button{width:44px;padding:0;font-size:24px}.panel-page{min-height:0;flex:1;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:12px}.panel-page>.panel-section+.panel-section,.tool-category+.tool-category{margin-top:16px}.object-delete{width:100%;margin-top:2px}.canvas-action-menu{display:flex;align-items:center;gap:8px}.header-actions{min-width:0}#app[data-runtime=wechat] :is(#btn-new,#btn-open),#app[data-editor-mode=view] :is(#btn-project-menu,#header-edit-actions,#btn-save-project,#btn-publish-bim,[data-shell-panel=tools],[data-shell-actions],#canvas-action-menu,#active-tool-indicator,#distribution-panel,#zoom-controls){display:none!important}#app[data-editor-mode=view] .shell-panel-tabs{grid-template-columns:minmax(0,1fr)}#app[data-editor-mode=view] :is([data-panel-page=tools],[data-panel-page=object]){display:none!important}#app[data-editor-mode=view] [data-panel-page=view]{display:block!important}#app[data-layout=pad-wide]{grid-template-columns:248px minmax(0,1fr);grid-template-rows:calc(56px + var(--safe-top)) minmax(0,1fr)}#app[data-layout=pad-wide] .app-header{min-width:0;padding:calc(8px + var(--safe-top)) calc(12px + var(--safe-right)) 8px calc(12px + var(--safe-left))}#app[data-layout=pad-wide] .header-actions{width:100%;justify-content:space-between}#app[data-layout=pad-wide] #header-edit-actions{min-width:0}#app[data-layout=pad-wide] #header-preview-actions{position:fixed;top:calc(68px + var(--safe-top));right:calc(12px + var(--safe-right));z-index:9;flex-direction:column;align-items:stretch;padding:8px;border:1px solid rgba(203,213,225,.78);border-radius:12px;background:#fffffff0;box-shadow:0 10px 30px #0f172a24;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}#app[data-layout=pad-wide] #header-preview-actions button{min-height:44px;border-color:#d8e0eb;background:#f8fafc;color:#243044}#app[data-layout=pad-wide] #header-preview-actions button.active,#app[data-layout=pad-wide] #header-preview-actions button.primary{border-color:var(--accent);background:var(--accent);color:#fff}#app[data-layout=pad-wide] .canvas-action-menu{flex-direction:column;align-items:stretch}#app[data-layout=pad-wide] .canvas-action-menu button,#app[data-layout=pad-wide] #btn-fit{width:112px}#app[data-layout=pad-wide] .distribution-panel{top:calc(56px + var(--safe-top));right:var(--safe-right);bottom:var(--safe-bottom);width:min(440px,48vw)}#app[data-layout=pad-wide] :is(button,.tool-btn,.circuit-chip,.layer-item,.edit-select){min-height:44px}@media(pointer:coarse){#app[data-layout=pad-wide] button:active{transform:scale(.97)}button:disabled:active{transform:none}}@media(prefers-reduced-motion:reduce){.header-save[aria-busy=true]:before,.header-publish[aria-busy=true]:before{animation-duration:1.4s}}#app[data-layout=pad-wide]{--pad-navy: #17283f;--pad-navy-hover: #223a57;--pad-blue: #1677ff;--pad-blue-soft: #eaf3ff;--pad-panel: #f8fafc;--pad-card: #ffffff;--pad-border: #dce5f0;--pad-text: #172033;--pad-muted: #65758b;--ui-font-small: clamp(11px, .9cqw, 13px);--ui-font-normal: clamp(12px, 1cqw, 14px);--ui-font-title: clamp(18px, 1.5cqw, 22px);--ui-control-height: clamp(44px, 4.8dvh, 56px);--ui-sidebar-width: clamp(160px, 13.5cqw, 190px);--ui-panel-width: clamp(360px, 32cqw, 480px);container-type:inline-size;grid-template-columns:var(--ui-sidebar-width) minmax(0,1fr);grid-template-rows:calc(var(--ui-control-height) + var(--safe-top)) minmax(0,1fr);background:#eef3f8}#app[data-layout=pad-wide] .app-header{gap:10px;padding:calc(2px + var(--safe-top)) calc(10px + var(--safe-right)) 2px calc(12px + var(--safe-left));border-bottom:0;background:linear-gradient(105deg,#192c45 0%,var(--pad-navy) 60%,#14243a 100%);box-shadow:0 2px 12px #0f20362e;color:#f8fbff}#app[data-layout=pad-wide] .pad-project-title{display:block;min-width:128px;max-width:min(22vw,240px);overflow:hidden;color:#fff;font-size:var(--ui-font-normal);font-weight:700;line-height:36px;text-overflow:ellipsis;white-space:nowrap}#app[data-layout=pad-wide] .header-actions{width:auto;flex:1;justify-content:flex-end;gap:8px}#app[data-layout=pad-wide] #header-edit-actions{gap:1px}#app[data-layout=pad-wide] :is(#header-edit-actions button,#btn-material-report){display:inline-flex;min-height:34px;align-items:center;gap:5px;padding:5px 8px;border-color:transparent;background:transparent;color:#f3f7fb;font-size:var(--ui-font-normal)}#app[data-layout=pad-wide] :is(#header-edit-actions button,#btn-material-report):hover{background:var(--pad-navy-hover)}#app[data-layout=pad-wide] #header-edit-actions button:before{color:#dbeafe;font-size:19px;font-weight:700}#app[data-layout=pad-wide] #btn-new:before{content:"▱"}#app[data-layout=pad-wide] #btn-open:before{content:"▰"}#app[data-layout=pad-wide] #btn-upload-floorplan:before{content:"⇧"}#app[data-layout=pad-wide] #btn-calibrate-wall:before{content:"↔"}#app[data-layout=pad-wide] .header-save{min-width:72px;min-height:34px;padding:6px 11px;border-color:var(--pad-blue);border-radius:8px;background:var(--pad-blue);color:#fff;box-shadow:0 6px 16px #1677ff47;font-size:var(--ui-font-normal);font-weight:700}#app[data-layout=pad-wide] .header-save:hover{border-color:#3389ff;background:#3389ff}#app[data-layout=pad-wide] .header-publish{min-width:72px;min-height:34px;padding:6px 11px;border-color:#dc2626;border-radius:8px;background:#dc2626;color:#fff;box-shadow:0 6px 16px #dc262640;font-size:var(--ui-font-normal);font-weight:700}#app[data-layout=pad-wide] .header-publish:hover:not(:disabled){border-color:#ef4444;background:#ef4444}#app[data-layout=pad-wide] #aside-preview{border-right:1px solid var(--pad-border);background:var(--pad-panel);color:var(--pad-text);box-shadow:4px 0 18px #1e37550f}#app[data-layout=pad-wide] .shell-panel-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:3px 8px 0;border-bottom:1px solid var(--pad-border);background:var(--pad-card)}#app[data-layout=pad-wide] .shell-panel-tabs button{min-height:var(--ui-control-height);border:0;border-bottom:3px solid transparent;border-radius:0;background:transparent;color:var(--pad-muted);font-size:var(--ui-font-normal);font-weight:600}#app[data-layout=pad-wide] .shell-panel-tabs button:hover{background:#f5f8fc;color:var(--pad-text)}#app[data-layout=pad-wide] .shell-panel-tabs button[aria-selected=true],#app[data-layout=pad-wide][data-editor-mode=view] [data-shell-panel=view]{border-color:var(--pad-blue);background:transparent;color:var(--pad-blue)}#app[data-layout=pad-wide] .aside-body,#app[data-layout=pad-wide] .panel-page{background:var(--pad-panel);color:var(--pad-text)}#app[data-layout=pad-wide] .panel-page{padding:8px 9px 12px;scrollbar-color:#cbd8e6 transparent;scrollbar-width:thin}#app[data-layout=pad-wide] .tool-category-tabs{gap:0;padding:2px;border:1px solid var(--pad-border);border-radius:8px;background:#edf3f9}#app[data-layout=pad-wide] .tool-category-tabs button{min-height:var(--ui-control-height);border:0;border-radius:6px;background:transparent;color:var(--pad-text);font-size:var(--ui-font-normal);font-weight:650}#app[data-layout=pad-wide] .tool-category-tabs button[aria-selected=true]{background:var(--pad-blue);color:#fff;box-shadow:0 4px 10px #1677ff38}#app[data-layout=pad-wide] .panel-section h3{margin:9px 1px 6px;color:var(--pad-muted);font-size:var(--ui-font-small);letter-spacing:.08em}#app[data-layout=pad-wide] .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}#app[data-layout=pad-wide] .electrical-tool-columns,#app[data-layout=pad-wide] .electrical-tool-column{gap:8px}#app[data-layout=pad-wide] .electrical-tool-column+.electrical-tool-column{padding-left:8px;border-left-color:var(--pad-border)}#app[data-layout=pad-wide] .tool-btn{position:relative;min-height:max(52px,var(--ui-control-height));padding:29px 3px 5px;overflow:hidden;border:1px solid var(--pad-border);border-radius:8px;background:var(--pad-card);color:var(--pad-text);box-shadow:0 2px 8px #28415f09;font-size:var(--ui-font-normal);font-weight:700}#app[data-layout=pad-wide] .tool-btn:hover{border-color:#a9c9f5;background:#fafdff;box-shadow:0 6px 18px #20559117;transform:translateY(-1px)}#app[data-layout=pad-wide] .tool-btn.active{border-color:var(--pad-blue);background:var(--pad-blue-soft);color:#0f3f85;box-shadow:0 0 0 2px #1677ff14}#app[data-layout=pad-wide] .tool-btn.pressed{border-color:#78aef5;background:#f1f7ff;box-shadow:0 0 0 3px #1677ff1f}@media(hover:none),(pointer:coarse){#app[data-layout=pad-wide] .tool-btn:hover,#app[data-layout=pad-wide] .tool-btn:active,#app[data-layout=pad-wide] .tool-btn.pressed{transform:none}}#app[data-layout=pad-wide] .tool-btn:before{position:absolute;top:16px;left:50%;display:grid;width:36px;height:36px;place-items:center;border-radius:8px;background:#e8f2ff;color:#1677ff;content:"•";font-size:20px;font-weight:800;line-height:1;transform:translate(-50%)}#app[data-layout=pad-wide] .tool-btn[data-tool=select]:before{content:"↖"}#app[data-layout=pad-wide] .tool-btn[data-tool=wall]:before{content:"▰"}#app[data-layout=pad-wide] .tool-btn[data-tool=room]:before{content:"□"}#app[data-layout=pad-wide] .tool-btn[data-tool=horizontal_wall]:before{content:"━"}#app[data-layout=pad-wide] .tool-btn[data-tool=vertical_wall]:before{content:"┃"}#app[data-layout=pad-wide] .tool-btn[data-tool=door]:before{content:"⌒"}#app[data-layout=pad-wide] .tool-btn[data-tool=panel]:before{background:#fff0f2;color:#ef3340;content:"⚡"}#app[data-layout=pad-wide] .tool-btn[data-tool=low_voltage_panel]:before{content:"▣"}#app[data-layout=pad-wide] .tool-btn:is([data-tool=standard],[data-tool=high_power],[data-tool=aircon],[data-tool=refrigerator],[data-tool=surveillance]):before{background:#fff0f2;color:#ef3340;content:"◉"}#app[data-layout=pad-wide] .tool-btn[data-tool=switch]:before{content:"Ⅱ"}#app[data-layout=pad-wide] .tool-btn[data-tool=light]:before{background:#fff7df;color:#f59e0b;content:"◒"}#app[data-layout=pad-wide] .tool-btn[data-tool=network]:before{background:#f3eaff;color:#7c3aed;content:"▣"}#app[data-layout=pad-wide] .tool-btn[data-tool=tv]:before{content:"TV";font-size:13px}#app[data-layout=pad-wide] .tool-btn[data-tool^=plumbing_]:before{background:#e5faf6;color:#0eaa8a;content:"⌁"}#app[data-layout=pad-wide] .operation-panel,#app[data-layout=pad-wide] .selection-measurements,#app[data-layout=pad-wide] .stats,#app[data-layout=pad-wide] .layer-list,#app[data-layout=pad-wide] .legend{color:var(--pad-text)}#app[data-layout=pad-wide] .edit-select{min-height:var(--ui-control-height);border-color:var(--pad-border);background:var(--pad-card);color:var(--pad-text)}#app[data-layout=pad-wide] .layer-item,#app[data-layout=pad-wide] .stat-card,#app[data-layout=pad-wide] .operation-summary{border-color:var(--pad-border);background:var(--pad-card);color:var(--pad-text)}#app[data-layout=pad-wide] .operation-summary{min-height:var(--ui-control-height);border-radius:10px;color:var(--pad-muted);font-size:var(--ui-font-normal)}#app[data-layout=pad-wide] .wall-structural-editor,#app[data-layout=pad-wide] .distance-chip .label,#app[data-layout=pad-wide] .circuit-chip .meta,#app[data-layout=pad-wide] .stat-card .label{color:var(--pad-muted)}#app[data-layout=pad-wide] .distance-chip{border-color:var(--pad-border);background:#fff;color:var(--pad-text)}#app[data-layout=pad-wide] .distance-chip .value{color:var(--pad-text)}#app[data-layout=pad-wide] .circuit-chip{min-height:var(--ui-control-height);padding:8px 10px;border-color:var(--pad-border);border-radius:9px;background:#fff;color:var(--pad-text)}#app[data-layout=pad-wide] .circuit-chip:hover,#app[data-layout=pad-wide] .circuit-chip.active{border-color:var(--pad-blue);background:var(--pad-blue-soft)}#app[data-layout=pad-wide] .stat-card{padding:13px 10px;border:1px solid var(--pad-border);border-radius:10px}#app[data-layout=pad-wide] .layer-list{gap:5px}#app[data-layout=pad-wide] .layer-item{min-height:var(--ui-control-height);padding:7px 9px;border:1px solid var(--pad-border);border-radius:9px;font-size:var(--ui-font-normal)}#app[data-layout=pad-wide] .legend{gap:10px}#app[data-layout=pad-wide] .legend-item{color:var(--pad-text);font-size:var(--ui-font-normal)}#app[data-layout=pad-wide] #header-preview-actions{top:calc(52px + var(--safe-top));right:calc(8px + var(--safe-right));gap:2px;padding:4px;border-color:var(--pad-border);border-radius:10px;background:#fffffff5;box-shadow:0 10px 28px #1d365524}#app[data-layout=pad-wide] #header-preview-actions .view-toggle{flex-direction:column;margin:0;border-color:var(--pad-border);border-radius:7px}#app[data-layout=pad-wide] #header-preview-actions button{width:58px;min-height:var(--ui-control-height);padding:4px 2px;border-color:transparent;border-radius:6px;background:transparent;color:#203451;font-size:var(--ui-font-small);font-weight:650;white-space:nowrap}#app[data-layout=pad-wide] #header-preview-actions button:hover{background:#edf4fc}#app[data-layout=pad-wide] #header-preview-actions button.active{border-color:var(--pad-blue);background:var(--pad-blue);color:#fff;box-shadow:0 4px 12px #1677ff38}#app[data-layout=pad-wide] #btn-fit{margin-top:4px;border-top:1px solid var(--pad-border);border-radius:0 0 9px 9px}#app[data-layout=pad-wide] .canvas-action-menu{gap:5px;padding-top:5px;border-top:1px solid var(--pad-border)}#app[data-layout=pad-wide] #btn-generate:before,#app[data-layout=pad-wide] #btn-generate-plumbing:before,#app[data-layout=pad-wide] #btn-distribution:before,#app[data-layout=pad-wide] #btn-delete-selection:before{display:block;margin-bottom:3px;color:var(--pad-blue);font-size:19px;font-weight:800}#app[data-layout=pad-wide] #btn-generate:before{content:"⌘"}#app[data-layout=pad-wide] #btn-generate-plumbing:before{content:"◇"}#app[data-layout=pad-wide] #btn-distribution:before{content:"▦"}#app[data-layout=pad-wide] #btn-delete-selection:before{content:"×"}#app[data-layout=pad-wide] .status-bar{min-height:var(--ui-control-height);align-items:center;padding:7px 132px 7px 16px;border-top:1px solid var(--pad-border);background:#fffffff5;color:var(--pad-muted);font-size:var(--ui-font-normal);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}#app[data-layout=pad-wide] #status-text,#app[data-layout=pad-wide] #status-hint{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#app[data-layout=pad-wide] #status-text{min-width:0;flex:1}#app[data-layout=pad-wide] #status-hint{flex:0 1 auto;margin-left:18px}#app[data-layout=pad-wide] .zoom-controls{right:18px;bottom:48px;gap:6px}#app[data-layout=pad-wide] .zoom-controls button{border-color:var(--pad-border);border-radius:9px;background:#fff;color:var(--pad-text);box-shadow:0 4px 12px #1d36551a}#app[data-layout=pad-wide] .distribution-panel{top:calc(var(--ui-control-height) + var(--safe-top));width:min(var(--ui-panel-width),48cqw);border-left-color:var(--pad-border);background:var(--pad-panel);color:var(--pad-text)}#app[data-layout=pad-wide] .distribution-header h2{font-size:var(--ui-font-title)}#app[data-layout=pad-wide] .distribution-tabs button,#app[data-layout=pad-wide] .distribution-section-title,#app[data-layout=pad-wide] .distribution-card-name{font-size:var(--ui-font-normal)}#app[data-layout=pad-wide] .distribution-empty,#app[data-layout=pad-wide] .distribution-card-hint,#app[data-layout=pad-wide] .distribution-device{font-size:var(--ui-font-small)}#app[data-layout=pad-wide] .distribution-header,#app[data-layout=pad-wide] .distribution-tabs{border-color:var(--pad-border);background:#fff}#app[data-layout=pad-wide] .distribution-header button,#app[data-layout=pad-wide] .distribution-card-name,#app[data-layout=pad-wide] .distribution-card select{color:var(--pad-text)}#app[data-layout=pad-wide] .distribution-card,#app[data-layout=pad-wide] .distribution-device{border-color:var(--pad-border);background:#fff;color:var(--pad-text)}#app[data-layout=pad-wide] .distribution-card select{border-color:var(--pad-border);background:#f8fafc}#app[data-layout=pad-wide]~.modal-backdrop{--pad-border: #dce5f0;--pad-text: #172033;--pad-muted: #334155}#app[data-layout=pad-wide]~.modal-backdrop .distance-modal{border-color:var(--pad-border);border-radius:14px;background:#fff;color:var(--pad-text);box-shadow:0 22px 64px #142b4838}#app[data-layout=pad-wide]~.modal-backdrop .distance-modal h3{color:#0f172a;font-weight:750}#app[data-layout=pad-wide]~.modal-backdrop .delete-confirm-modal p,#app[data-layout=pad-wide]~.modal-backdrop .distance-modal label,#app[data-layout=pad-wide]~.modal-backdrop .circulation-options small{color:var(--pad-muted)}#app[data-layout=pad-wide]~.modal-backdrop .distance-modal input{border-color:var(--pad-border);background:#f8fafc;color:var(--pad-text)}#app[data-layout=pad-wide]~.modal-backdrop .circulation-options label{border-color:var(--pad-border);background:#fff}#app[data-layout=pad-wide]~.modal-backdrop .circulation-options strong{color:var(--pad-text)}#app[data-layout=pad-wide] #header-edit-actions button:before,#app[data-layout=pad-wide] .tool-btn[data-tool]:before,#app[data-layout=pad-wide] #btn-generate:before,#app[data-layout=pad-wide] #btn-generate-plumbing:before,#app[data-layout=pad-wide] #btn-distribution:before,#app[data-layout=pad-wide] #btn-delete-selection:before{content:none}#app[data-layout=pad-wide] .ui-icon{display:block;flex:0 0 auto;fill:none;stroke:currentColor}#app[data-layout=pad-wide] :is(#header-edit-actions,#btn-material-report) .ui-icon{width:14px;height:14px;color:#dbeafe}#app[data-layout=pad-wide] .header-save .ui-icon{width:14px;height:14px}#app[data-layout=pad-wide] .tool-btn>.ui-icon{position:absolute;top:5px;left:50%;width:20px;height:20px;padding:4px;border-radius:5px;background:#e8f2ff;color:#1677ff;transform:translate(-50%)}#app[data-layout=pad-wide] .tool-btn[data-tool=panel]>.ui-icon,#app[data-layout=pad-wide] .tool-btn:is([data-tool=standard],[data-tool=high_power],[data-tool=aircon],[data-tool=refrigerator],[data-tool=surveillance])>.ui-icon{background:#fff0f2;color:#ef3340}#app[data-layout=pad-wide] .tool-btn[data-tool=light]>.ui-icon{background:#fff7df;color:#f59e0b}#app[data-layout=pad-wide] .tool-btn[data-tool=network]>.ui-icon{background:#f3eaff;color:#7c3aed}#app[data-layout=pad-wide] .tool-btn[data-tool^=plumbing_]>.ui-icon{background:#e5faf6;color:#0eaa8a}#app[data-layout=pad-wide] #header-preview-actions>button>.ui-icon,#app[data-layout=pad-wide] .canvas-action-menu button>.ui-icon{width:14px;height:14px;margin:0 auto 2px;color:var(--pad-blue)}#app[data-layout=pad-wide] #header-preview-actions #btn-delete-selection{border-color:transparent;background:transparent;color:#e5484d}#app[data-layout=pad-wide] #header-preview-actions #btn-delete-selection:hover:not(:disabled){border-color:#fecaca;background:#fff1f2;color:#dc2626}#app[data-layout=pad-wide] #header-preview-actions #btn-delete-selection:disabled{border-color:transparent;background:transparent;color:#9aa8ba;opacity:.55}#app[data-layout=pad-wide] #btn-delete-selection>.ui-icon{color:currentColor}#app[data-layout=pad-wide] #btn-fit>.ui-icon{width:14px;height:14px;margin:0 auto 2px;color:#203451}