:root{--bg:#1e1f24;--panel:#26282f;--panel-2:#2e313a;--border:#3a3d47;--text:#d7dae0;--text-dim:#8b909c;--accent:#4aa3ff;--accent-dim:#2f6aa8;--danger:#ff5d5d;--success:#2d8a4e;--surface:#2e313a;--hover:#ffffff14;--tp-color:#f59e42;--muted:#9aa4b2;--text-muted:#888;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono:"SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);-webkit-user-select:none;user-select:none;margin:0;padding:0;font-size:13px;overflow:hidden}#app{flex-direction:column;width:100vw;height:100vh;display:flex}#topbar{background:var(--panel);border-bottom:1px solid var(--border);flex:none;align-items:center;gap:16px;height:44px;padding:0 12px;display:flex}.brand{flex-shrink:0;align-items:center;margin-right:8px;display:flex}.field-group{align-items:center;gap:6px;display:flex}.field-group label{color:var(--text-dim);font-size:12px}input.dim,select.unit{background:var(--panel-2);border:1px solid var(--border);color:var(--text);font-family:var(--mono);border-radius:4px;outline:none;padding:4px 6px;font-size:12px}input.dim{width:78px}input.dim:focus,select.unit:focus{border-color:var(--accent)}.topbar-spacer{flex:auto}button.btn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:4px;padding:5px 10px;font-size:12px}button.btn:hover:not(:disabled){border-color:var(--accent-dim)}button.btn:disabled{opacity:.35;cursor:default}button.btn.active{background:var(--accent-dim);border-color:var(--accent)}button.btn.danger{background:#3a2222;border-color:#5e3535}button.btn.danger:hover:not(:disabled){border-color:var(--danger);color:#fff;background:#502c2c}button.icon-btn{color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:4px;flex:none;justify-content:center;align-items:center;display:flex}button.icon-btn:hover:not(:disabled){color:#fff;background:#ffffff26}button.icon-btn:disabled{opacity:.35;cursor:default}button.icon-btn.danger:hover:not(:disabled){color:#fcc;background:var(--danger)}#constraintbar,#alignbar{background:var(--panel);border-bottom:1px solid var(--border);flex:none;align-items:center;gap:4px;height:44px;padding:0 12px;display:flex;overflow-x:auto}.cb-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-right:8px;font-size:12px;font-weight:600}button.cbtn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;min-width:34px;height:30px;padding:0 8px;font-size:16px;display:inline-flex}button.cbtn:hover:not(:disabled){border-color:var(--accent);color:#fff}button.cbtn:disabled{opacity:.35;cursor:default}button.cbtn.solve{background:var(--accent-dim);border-color:var(--accent)}.cb-sep{background:var(--border);width:1px;height:24px;margin:0 8px}.cb-msg{color:var(--text-dim);background:#00000026;border-radius:4px;margin-left:auto;padding:4px 10px;font-size:12px}.cb-msg.error{color:var(--danger)}.cb-msg.ok{color:var(--accent)}.cb-msg.warn{color:var(--warn,#c8982a)}#workspace{flex:auto;min-height:0;display:flex}#toolpalette{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;flex:none;align-items:center;gap:4px;width:56px;padding:8px 0;display:flex}.tool-btn{color:#a8adb8;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:relative}.tool-btn:hover{background:var(--panel-2);color:var(--text)}.tool-btn.active{background:var(--accent-dim);border-color:var(--accent);color:#fff}.tool-btn svg{stroke-width:2px;width:22px;height:22px}.tool-sep{background:var(--border);width:32px;height:1px;margin:4px 0}.tool-btn:after{content:attr(data-tip);color:#fff;white-space:nowrap;opacity:0;pointer-events:none;z-index:50;background:#000;border-radius:4px;padding:3px 7px;font-size:11px;transition:opacity .1s;position:absolute;top:50%;left:48px;transform:translateY(-50%)}.tool-btn:hover:after{opacity:.92}#right-panel{border-left:1px solid var(--border);flex-direction:column;flex:none;width:250px;transition:width .2s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}#right-panel.resizing{transition:none}#right-tabs{background:var(--panel-2);border-bottom:1px solid var(--border);flex:none;display:flex}.rtab{color:var(--text-dim);cursor:pointer;font-size:12px;font-weight:500;font-family:var(--font);background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:7px 0}.rtab.active{color:var(--text);border-bottom-color:var(--accent)}.rtab:hover:not(.active){color:var(--text);background:#ffffff0a}.rtab-content{flex-direction:column;flex:auto;display:none;overflow-y:auto}.rtab-content.active{display:flex}#settingsbar{background:var(--panel);flex-direction:column;flex:none;display:flex;overflow:hidden}#settingsbar.collapsed .settings-content{display:none}#settingsbar.collapsed .settings-header{border-bottom:none}#settingsbar.collapsed .settings-toggle{transform:rotate(-90deg)}.settings-resizer{cursor:col-resize;z-index:10;width:6px;position:absolute;top:0;bottom:0;left:-3px}.settings-header{background:var(--panel-2);border-bottom:2px solid var(--border);justify-content:space-between;align-items:center;padding:12px 12px 8px;display:flex}.settings-title{color:var(--text);letter-spacing:.3px;font-size:15px;font-weight:700}.settings-toggle{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;padding:0 0 2px;font-size:18px;line-height:1;display:flex;transform:rotate(90deg)}.settings-toggle:hover{background:var(--panel-2);color:var(--text)}.settings-content{flex-direction:column;gap:12px;padding:12px;display:flex}.settings-section{border:2px solid var(--text-dim);border-radius:4px;flex-direction:column;gap:6px;margin-top:8px;padding:10px 8px 8px;display:flex;position:relative}.settings-section-title{background:var(--panel);color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;padding:0 4px;font-size:11px;font-weight:600;position:absolute;top:-8px;left:8px}.settings-field-group{flex-direction:column;gap:4px;display:flex}.settings-field-group label{color:var(--text-dim);font-size:12px}#settingsbar input.dim,#settingsbar select.unit{width:100%}.settings-checkbox{cursor:pointer;width:16px;height:16px;accent-color:var(--accent)}#variablesbar{background:var(--panel);flex-direction:column;flex:none;display:flex}#variablesbar.collapsed .vars-content{display:none}#variablesbar.collapsed .vars-header{border-bottom:none}#variablesbar.collapsed .vars-toggle{transform:rotate(-90deg)}.vars-header{background:var(--panel-2);border-bottom:2px solid var(--border);flex:none;justify-content:space-between;align-items:center;padding:12px 12px 8px;display:flex}.vars-title{color:var(--text);letter-spacing:.3px;font-size:15px;font-weight:700}.vars-toggle{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;padding:0 0 2px;font-size:18px;line-height:1;display:flex;transform:rotate(90deg)}.vars-toggle:hover{background:var(--panel-2);color:var(--text)}.vars-content{flex-direction:column;padding:12px;display:flex}#layersbar{background:var(--panel);flex-direction:column;flex:none;display:flex}#layersbar.collapsed .layers-content{display:none}#layersbar.collapsed .layers-header{border-bottom:none}#layersbar.collapsed .layers-toggle{transform:rotate(-90deg)}.layers-header{background:var(--panel-2);border-bottom:2px solid var(--border);flex:none;justify-content:space-between;align-items:center;padding:12px 12px 8px;display:flex}.layers-title{color:var(--text);letter-spacing:.3px;font-size:15px;font-weight:700}.layers-toggle{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;padding:0 0 2px;font-size:18px;line-height:1;display:flex;transform:rotate(90deg)}.layers-toggle:hover{background:var(--panel-2);color:var(--text)}.layers-content{flex-direction:column;padding:12px;display:flex}.layer-row{border-radius:4px;flex-wrap:wrap;align-items:center;gap:3px;padding:4px 2px;display:flex}.layer-row input.dim[type=text]{flex:44px;width:auto;min-width:44px}.layer-row .icon-btn{padding:3px;font-size:13px;line-height:1}.layer-beam-row{border-left:2px solid var(--border);color:var(--text-dim);flex-direction:column;gap:3px;margin:-2px 0 6px 10px;padding-left:8px;font-size:11px;display:flex}.layer-beam-line{align-items:center;gap:4px;display:flex}.layer-beam-row input.dim,.layer-beam-row select.dim{padding:3px 4px;font-size:11px}.layer-beam-row input.dim{appearance:textfield}.layer-beam-row input.dim::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.layer-beam-row input.dim::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.layer-beam-row select.dim{background:var(--panel-2);border:1px solid var(--border);min-width:0;color:var(--text);border-radius:4px;flex:1}.layer-beam-kind,.layer-beam-side{width:100%}#propertiesbar{background:var(--panel);border-top:6px solid var(--bg);flex-direction:column;flex:none;display:flex}#propertiesbar.collapsed .props-content{display:none}#propertiesbar.collapsed .props-header{border-bottom:none}.props-header{background:var(--panel-2);border-bottom:2px solid var(--border);flex:none;justify-content:space-between;align-items:center;padding:12px 12px 8px;display:flex}.props-title{color:var(--text);letter-spacing:.3px;font-size:15px;font-weight:700}.props-toggle{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;padding:0 0 2px;font-size:18px;line-height:1;display:flex;transform:rotate(90deg)}.props-toggle:hover{background:var(--panel-2);color:var(--text)}#propertiesbar.collapsed .props-toggle{transform:rotate(-90deg)}.props-content{flex-direction:column;gap:12px;padding:12px;display:flex}.empty-state,.props-empty,.cam-ops-empty{color:var(--text-dim);text-align:center;flex-direction:column;align-items:center;gap:8px;padding:24px 12px;font-size:12px;display:flex}.empty-state .cam-add-btn{margin-top:4px}.empty-icon{opacity:.4;font-size:24px}.props-section{border:2px solid var(--text-dim);border-radius:4px;flex-direction:column;gap:6px;padding:10px 8px 8px;display:flex;position:relative}.props-section-title{box-sizing:border-box;white-space:nowrap;text-overflow:ellipsis;background:var(--panel);max-width:calc(100% - 20px);color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;padding:0 4px;font-size:11px;font-weight:600;position:absolute;top:-8px;left:8px;overflow:hidden}.props-row{align-items:center;gap:4px;display:flex}.props-vertex-list{flex-direction:column;gap:4px;max-height:180px;display:flex;overflow-y:auto}.props-row span{color:var(--text-dim);flex-shrink:0;font-size:11px}.props-content input{background:var(--panel-2);border:1px solid var(--border);color:var(--text);font-family:var(--mono);border-radius:4px;outline:none;flex:1 1 0;width:0;min-width:0;padding:3px 5px;font-size:11px}.props-content input[type=checkbox]{cursor:pointer;width:16px;height:16px;accent-color:var(--accent);flex:none;padding:0}.props-content input:focus{border-color:var(--accent)}.props-content input:disabled{opacity:.5}.props-content .btn{background:var(--accent-dim);border-color:var(--accent)}.props-content .props-construction-btn{background:var(--panel-2);border-color:var(--border);width:100%;color:var(--text);justify-content:center;align-items:center;gap:8px;display:flex}.props-content .props-construction-btn.active{background:var(--panel-2);border-color:var(--border);color:var(--text)}.cm-led{width:8px;height:8px;box-shadow:none;background:#444;border-radius:50%;flex:none}.props-construction-btn.active .cm-led{background:#4ade80;box-shadow:0 0 6px #4ade80}.props-content .btn:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:var(--bg)}.props-section>.btn{width:100%}.props-row .btn{flex-shrink:0;padding:3px 7px;font-size:11px}.props-align-row .btn{text-align:center;flex:1;padding:4px 0}.props-transform-toggle{cursor:pointer;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;border:1px dashed var(--border);-webkit-user-select:none;user-select:none;border-radius:4px;justify-content:space-between;align-items:center;padding:4px 6px;font-size:11px;font-weight:600;display:flex}.props-transform-toggle:hover{color:var(--text);border-color:var(--text-dim)}.props-transform-chevron{font-size:16px;line-height:1}.props-transform-body{flex-direction:column;gap:12px}#main-area{flex-direction:row;flex:auto;min-width:0;min-height:0;display:flex;overflow:hidden}#split-divider{background:var(--border);cursor:col-resize;flex:0 0 5px;transition:background .15s}#split-divider:hover,#split-divider.dragging{background:var(--accent-dim)}#split-divider.hidden{display:none}#webgl-host{background:#1e1f24;flex:auto;min-width:0;position:relative;overflow:hidden}#webgl-host.hidden{display:none}.webgl-status{z-index:10;color:#f0a040;pointer-events:none;text-align:center;background:#1e1f24d9;border:1px solid #6b4a18;border-radius:6px;padding:8px 14px;font-size:12px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.webgl-reset-btn{z-index:10;background:var(--panel);border:1px solid var(--border);color:var(--text);cursor:pointer;opacity:.75;border-radius:4px;padding:5px 10px;font-size:12px;transition:opacity .15s;position:absolute;bottom:10px;right:10px}.webgl-reset-btn:hover{opacity:1;border-color:var(--accent-dim)}.webgl-side-toggle{z-index:10;border:1px solid var(--border);border-radius:4px;gap:0;display:none;position:absolute;top:10px;left:10px;overflow:hidden}.webgl-side-toggle button{background:var(--panel);color:var(--text);cursor:pointer;opacity:.75;border:none;padding:5px 10px;font-size:12px;transition:opacity .15s,background .15s}.webgl-side-toggle button+button{border-left:1px solid var(--border)}.webgl-side-toggle button:hover{opacity:1}.webgl-side-toggle button.active{background:var(--accent-dim);color:#fff;opacity:1}#canvas-host{background:var(--bg);flex:auto;min-width:0;position:relative}#scene{cursor:crosshair;width:100%;height:100%;display:block}.floating-view-btn{background:var(--bg-hover);color:var(--fg);border:1px solid var(--border);cursor:pointer;z-index:10;border-radius:4px;padding:6px 12px;font-size:14px;font-weight:500;transition:background .15s,border-color .15s;position:absolute;top:10px;right:10px;box-shadow:0 2px 4px #0003}.floating-view-btn:hover{background:var(--accent-dim);border-color:var(--accent)}.floating-view-btn.hidden{display:none}.fmenu-dropdown{z-index:10000;background:var(--panel);border:1px solid var(--border);border-radius:6px;min-width:200px;padding:4px 0;display:none;position:fixed;box-shadow:0 8px 24px #00000080}.fmenu-item{cursor:pointer;color:var(--text);border-radius:0;justify-content:space-between;align-items:center;gap:24px;padding:6px 12px;font-size:13px;display:flex}.fmenu-item:hover{background:var(--accent-dim);color:#fff}.fmenu-item.disabled{color:var(--text-dim);cursor:default;opacity:.5}.fmenu-item.disabled:hover{color:var(--text-dim);background:0 0}.fmenu-kbd{font-family:var(--mono);color:var(--text-dim);flex-shrink:0;font-size:11px}.fmenu-item:hover .fmenu-kbd{color:#ffffffb3}.fmenu-sep{background:var(--border);height:1px;margin:4px 0}.fmenu-section-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;padding:4px 12px 2px;font-size:11px}#cambar{background:var(--panel);border-top:6px solid var(--bg);flex-direction:column;flex:none;display:flex}#cambar.collapsed .cam-content{display:none}#cambar.collapsed .cam-header{border-bottom:none}#cambar.collapsed .cam-toggle{transform:rotate(-90deg)}.cam-header{background:var(--panel-2);border-bottom:2px solid var(--border);justify-content:space-between;align-items:center;padding:12px 12px 8px;display:flex}.cam-title{color:var(--text);letter-spacing:.3px;font-size:15px;font-weight:700}.cam-toggle{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;padding:0 0 2px;font-size:18px;line-height:1;display:flex;transform:rotate(90deg)}.cam-toggle:hover{background:var(--panel-2);color:var(--text)}.cam-content{flex-direction:column;gap:12px;padding:12px;display:flex}#cambar input.dim{width:100%}.cam-ops-list{flex-direction:column;gap:4px;margin-bottom:6px;display:flex}.tp-op-item{background:var(--panel-2);border:1px solid var(--text-dim);cursor:pointer;border-radius:4px;flex-direction:column;gap:4px;padding:6px 8px;display:flex}.tp-op-top{align-items:center;gap:6px;min-width:0;display:flex}.tp-op-bot{align-items:center;gap:6px;min-width:0;padding-left:2px;display:flex}.tp-op-actions{flex:none;align-items:center;gap:2px;margin-left:auto;display:flex}.tp-op-item:hover{border-color:var(--accent-dim)}.tp-op-item.tp-dragging{opacity:.4}.tp-op-item.tp-drag-over-top{border-top:2px solid var(--accent)}.tp-op-item.tp-drag-over-bottom{border-bottom:2px solid var(--accent)}.tp-select{cursor:pointer;flex:none;margin:0 1px 0 0}.tp-drag-handle{cursor:grab;color:var(--text-dim);-webkit-user-select:none;user-select:none;flex:none;padding:0 2px;font-size:14px}.tp-drag-handle:active{cursor:grabbing}.tp-op-item.tp-op-active{border-color:var(--tp-color,#f59e42);box-shadow:inset 2px 0 0 var(--tp-color,#f59e42);background:color-mix(in srgb, var(--tp-color,#f59e42) 8%, transparent)}.tp-color-swatch{background:var(--tp-color,#f59e42);opacity:.85;border-radius:50%;flex:none;width:8px;height:8px}.tp-badge{letter-spacing:.05em;border-radius:3px;flex:none;padding:2px 5px;font-size:10px;font-weight:700}.tp-badge-profile{background:var(--accent-dim);color:#fff}.tp-badge-engrave{color:#fff;background:#7c3aed}.tp-badge-score{color:#fff;background:#0e7490}.tp-badge-drill{color:#fff;background:#15803d}.tp-op-info{flex:auto;min-width:0}.tp-op-item.tp-op-empty{border-left:3px solid var(--warn,#e0a85a)}.tp-op-name{min-width:0;color:var(--text);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:auto;font-size:12px;font-weight:600;line-height:1.25;display:-webkit-box;overflow:hidden}.tp-op-params{color:var(--text-dim);font-size:11px;font-family:var(--mono)}.tp-icon-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:3px;flex:none;justify-content:center;align-items:center;padding:3px;display:flex}.tp-icon-btn:hover{background:var(--panel);color:var(--text)}.tp-icon-del:hover{color:var(--danger)}.tp-op-group{gap:2px}.tp-badge-relief{color:#fff;background:#7c3aed}.tp-op-group-child{min-width:0;color:var(--text-dim);align-items:center;gap:6px;padding:3px 2px 3px 18px;font-size:11px;display:flex}.tp-op-group-child+.tp-op-group-child{border-top:1px solid var(--text-dim)}.tp-op-group-child:hover{color:var(--text)}.tp-op-group-stage{color:var(--text);flex:none;font-weight:600}.tp-op-group-tool{min-width:0;font-family:var(--mono);white-space:nowrap;text-overflow:ellipsis;flex:auto;overflow:hidden}.tp-op-group-est{font-family:var(--mono);opacity:.7;flex:none}.cam-add-btn{background:var(--accent-dim);border:1px solid var(--accent);color:#fff;cursor:pointer;border-radius:4px;width:100%;padding:5px 10px;font-size:12px}.cam-add-btn:hover{background:var(--accent)}.cam-sep{background:var(--border);height:1px;margin:4px 0}.tp-backdrop{z-index:1000;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.tp-backdrop.tp-backdrop--peek{pointer-events:none;background:0 0;justify-content:flex-end;padding-right:24px}.tp-backdrop--peek .tp-dialog{pointer-events:auto;box-shadow:0 4px 24px #00000073}.tp-dialog{background:var(--panel);border:1px solid var(--border);border-radius:8px;flex-direction:column;width:380px;max-height:calc(100vh - 24px);display:flex;box-shadow:0 20px 60px #0009}.tp-dialog-header{background:var(--panel-2);border-bottom:1px solid var(--border);border-radius:8px 8px 0 0;flex:none;justify-content:space-between;align-items:center;padding:12px 14px 10px;display:flex}.tp-dialog-header h3{color:var(--text);margin:0;font-size:14px;font-weight:600}.tp-dialog-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;font-size:16px;display:flex}.tp-dialog-close:hover{background:var(--panel);color:var(--text)}.tp-dialog-body{flex-direction:column;flex:auto;gap:10px;padding:14px 16px;display:flex;overflow-y:auto}.tp-dialog-footer{background:var(--panel-2);border-top:1px solid var(--border);border-radius:0 0 8px 8px;flex:none;justify-content:flex-end;gap:8px;padding:10px 16px 14px;display:flex}.tp-apply-btn{background:var(--accent-dim)!important;border-color:var(--accent)!important;color:#fff!important}.tp-apply-btn:hover:not(:disabled){background:var(--accent)!important}.tp-danger-btn{color:#fff!important;background:#b3261e!important;border-color:#e0483c!important}.tp-danger-btn:hover:not(:disabled){background:#c9352b!important}.npd-discard-warning,.stl-warning{color:var(--warn,#e0a85a);background:color-mix(in srgb, var(--warn,#e0a85a) 12%, transparent);border:1px solid color-mix(in srgb, 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3px;font-size:13px;line-height:1.2}.error-notice-close:hover{opacity:1}.type-to-draw{background:var(--panel-2);border:1px solid var(--accent);z-index:100;border-radius:4px;align-items:center;display:flex;position:absolute;overflow:hidden}.type-to-draw-input{width:72px;height:22px;color:var(--text);font-family:var(--mono);text-align:center;background:0 0;border:none;outline:none;font-size:12px}.type-to-draw-input:focus{background:var(--panel)}.type-to-draw-sep{background:var(--border);width:1px;height:14px}#statusbar{background:var(--panel);border-top:1px solid var(--border);height:26px;color:var(--text-dim);font-family:var(--mono);flex:none;align-items:center;gap:18px;padding:0 12px;font-size:11px;display:flex}.status-item b{color:var(--text);font-weight:600}.status-toggle{cursor:pointer;border-radius:3px;padding:2px 6px}.status-toggle.on{color:var(--accent)}.status-toggle:hover{background:var(--panel-2)}.status-spacer{flex:auto}.welcome-backdrop{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:2000;background:#0f1117d9;padding:24px 16px;animation:.25s ease-out welcomeFadeIn;display:flex;position:fixed;inset:0;overflow-y:auto}.welcome-container{background:var(--panel);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:clamp(12px,2vh,20px);width:680px;max-width:90%;margin:auto;padding:clamp(16px,3vh,24px) 24px;animation:.3s cubic-bezier(.34,1.56,.64,1) welcomeScaleUp;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 50px #0009}.welcome-header{align-items:center;gap:18px;display:flex}.welcome-logo{flex-shrink:0;width:auto;height:40px;display:block}.welcome-footer{opacity:.01;pointer-events:none;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.bmc-button{color:#000;background:#fd0;border:2px solid #000;border-radius:8px;align-items:center;gap:8px;padding:7px 16px 7px 12px;font-family:Cookie,cursive,sans-serif;font-size:20px;text-decoration:none;transition:opacity .15s;display:inline-flex}.bmc-button:hover{opacity:.85}.bmc-button img{width:auto;height:28px}.welcome-ai-hint{color:var(--text-dim);outline:none;font-size:11px;text-decoration:none;display:block}.welcome-ai-hint:hover{color:var(--text);text-decoration:underline}.welcome-intro{text-align:left;margin:0;padding:0}.welcome-intro-heading{color:var(--text);margin:0 0 4px;font-size:14px;font-weight:700}.welcome-intro-body{color:var(--text-dim);margin:0;font-size:11.5px;line-height:1.45}.about-dialog{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:12px;width:420px;max-width:90vw;padding:32px 36px 28px;display:flex;position:relative}.about-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:16px;line-height:1;position:absolute;top:12px;right:14px}.about-close:hover{background:var(--hover);color:var(--text)}.post-settings-dialog{text-align:left;align-items:stretch;gap:14px;width:520px;max-height:calc(100vh - 48px);overflow-y:auto}.post-settings-title{color:var(--text);margin:0;font-size:16px}.post-settings-note,.npd-note{color:var(--text-dim);margin:0;font-size:12px;line-height:1.5}.post-settings-field{flex-direction:column;gap:4px;display:flex}.post-settings-field label{color:var(--text-dim);font-size:12px}.post-settings-check{color:var(--text);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.post-settings-row{flex-direction:row;justify-content:space-between;align-items:center}.post-settings-row label{color:var(--text);font-size:13px}.post-settings-select{min-width:160px}.post-settings-textarea{box-sizing:border-box;background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);resize:vertical;border-radius:4px;padding:6px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.post-settings-textarea:focus{border-color:var(--accent);outline:none}.gbe-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.gbe-add{padding:2px 8px;font-size:11px}.gbe-picker[hidden]{display:none}.gbe{position:relative}.gbe-picker{z-index:5;border:1px solid var(--border);background:var(--panel);border-radius:4px;flex-direction:column;gap:4px;max-height:260px;padding:6px;display:flex;position:absolute;top:26px;left:0;right:0;overflow-y:auto;box-shadow:0 8px 24px #00000073}.gbe-option{text-align:left;color:var(--text);cursor:pointer;font:inherit;background:0 0;border:1px solid #0000;border-radius:4px;flex-direction:column;gap:2px;padding:6px 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strong{color:var(--danger)}.gbe-caution,.gbe-caution strong{color:#e0a85a}.post-settings-buttons{background:var(--surface);border-top:1px solid var(--border);z-index:1;justify-content:flex-end;gap:8px;margin-top:4px;padding:10px 0 28px;display:flex;position:sticky;bottom:-28px}button.btn.btn-primary{background:var(--accent-dim);border-color:var(--accent)}button.btn.btn-primary:hover:not(:disabled){background:var(--accent);color:#fff}.about-desc{color:var(--text-dim);max-width:340px;margin:0;font-size:13px;line-height:1.6}.about-version{color:var(--text-dim);opacity:.7;margin:0;font-size:11px}.about-gh-link{color:var(--text-dim);border:1px solid var(--border);border-radius:6px;align-items:center;gap:6px;padding:5px 12px;font-size:13px;text-decoration:none;transition:color .15s,border-color .15s,background .15s;display:inline-flex}.about-gh-link:hover{color:var(--text);border-color:var(--text-dim);background:var(--hover)}.welcome-content{grid-template-columns:1.2fr 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svg{width:20px;height:20px}.welcome-card-details{flex-direction:column;gap:2px;display:flex}.welcome-card-title{color:var(--text);font-size:14px;font-weight:600}.welcome-card-desc{color:var(--text-dim);font-size:11px}.welcome-recents{flex-direction:column;gap:8px;max-height:250px;display:flex;overflow-y:auto}.welcome-recent-item{background:var(--panel-2);border:1px solid var(--border);cursor:pointer;border-radius:6px;flex-direction:column;padding:10px 12px;transition:all 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.15s;display:flex;overflow:hidden}.welcome-example-card:hover{border-color:var(--accent);background:#4aa3ff0a}.welcome-example-thumb{background:var(--bg);border-bottom:1px solid var(--border);color:#7f8a9c;flex-shrink:0;justify-content:center;align-items:center;height:56px;padding:6px;transition:color .15s;display:flex}.welcome-example-card:hover .welcome-example-thumb{color:var(--accent)}.welcome-example-thumb svg{width:100%;height:100%;display:block}.welcome-example-info{padding:5px 8px}.welcome-example-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.welcome-example-meta{color:var(--text-dim);font-size:10px;font-family:var(--mono);margin-top:2px}.welcome-recents-empty{color:var(--text-dim);border:1px dashed var(--border);text-align:center;border-radius:8px;flex-direction:column;flex-grow:1;justify-content:center;align-items:center;padding:24px;font-size:12px;font-style:italic;display:flex}@keyframes welcomeFadeIn{0%{opacity:0}to{opacity:1}}@keyframes welcomeScaleUp{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.welcome-card-resume{background:#4aa3ff08;border-color:#4aa3ff4d}.welcome-card-resume:hover{border-color:var(--accent);background:#4aa3ff1f}.welcome-card-icon-resume{background:var(--accent)!important;color:#fff!important}.welcome-card-icon-resume svg{fill:currentColor}.welcome-card-restore{background:#d9770608;border-color:#d977064d}.welcome-card-restore:hover{background:#d977061f;border-color:#d97706;box-shadow:0 4px 12px #d9770626}.welcome-card-icon-restore{color:#fff!important;background:#d97706!important}.feedback-dialog{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:10px;width:460px;max-width:92vw;padding:32px 36px 28px;display:flex;position:relative}.feedback-title{color:var(--text);margin:0 0 6px;font-size:16px;font-weight:600}.feedback-label{color:var(--text-dim);margin-bottom:2px;font-size:12px;font-weight:500}.feedback-select{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:6px;outline:none;padding:6px 8px;font-size:13px}.feedback-select:focus{border-color:var(--accent)}.feedback-textarea{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);resize:vertical;box-sizing:border-box;border-radius:6px;outline:none;padding:8px 10px;font-family:inherit;font-size:13px;line-height:1.5}.feedback-textarea:focus{border-color:var(--accent)}.feedback-textarea--error{border-color:#f55a5a}.feedback-actions{justify-content:flex-end;gap:8px;margin-top:6px;display:flex}.feedback-btn-cancel{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:0 0;border-radius:6px;padding:6px 16px;font-size:13px}.feedback-btn-cancel:hover{background:var(--hover);color:var(--text)}.feedback-btn-send{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:6px 18px;font-size:13px;font-weight:600}.feedback-btn-send:hover{opacity:.88}.mobile-warning{z-index:99999;background:var(--bg);font-family:var(--font);justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.mobile-warning-card{text-align:center;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:420px;display:flex}.mobile-warning-logo{width:64px;height:64px}.mobile-warning-title{color:var(--text);margin:0;font-size:22px;font-weight:700}.mobile-warning-body{color:var(--text-dim);margin:0;font-size:14px;line-height:1.6}.mobile-warning-continue{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:0 0;border-radius:6px;margin-top:8px;padding:8px 20px;font-size:12px}.mobile-warning-continue:hover{color:var(--text);border-color:var(--text-dim)}#design-tree-container{flex:none;min-height:0;display:flex}.design-tree-panel{background:var(--panel);-webkit-user-select:none;user-select:none;width:0;min-height:0;transition:width .15s;display:flex;overflow:hidden}.design-tree-panel.open{width:250px}.design-tree-shell{border-right:1px solid var(--border);flex-direction:column;flex:none;width:250px;min-height:0;display:flex}#design-tree-toggle{font-size:20px}body.design-tree-open #design-tree-toggle{background:var(--accent-dim);border-color:var(--accent);color:#fff}.design-tree-header{background:var(--panel-2);border-bottom:1px solid var(--border);flex:none;justify-content:space-between;align-items:center;gap:8px;padding:8px 6px 8px 12px;display:flex}.design-tree-title{color:var(--text);letter-spacing:.02em;font-size:12px;font-weight:600}.tree-close-btn{color:var(--text-dim);cursor:pointer;background:0 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