:root{--bg-primary:#121212;--bg-secondary:#232323;--bg-tertiary:#2f2f2f;--bg-hover:#ffffff26;--bg-input:#121212;--bg-section-content:#1a1a1a;--bg-nested-section:#121212;--bg-nested-content:#0e0e0e;--bg-nested-header:#232323;--bg-overlay-subtle:#ffffff12;--bg-overlay-light:#ffffff26;--bg-overlay-medium:#ffffff4d;--bg-overlay-strong:#2f2f2f80;--bg-statusbar:#00000080;--border-primary:#ffffff26;--border-section:#ffffff12;--text-primary:#ededed;--text-secondary:#aaa;--text-muted:#888;--text-dim:#666;--text-on-accent:white;--text-on-accent-muted:#ffffffb3;--accent-primary:#ffffffb3;--accent-primary-subtle:#ffffff12;--accent-primary-medium:#ffffff40;--accent-secondary:#ffffff73;--accent-secondary-subtle:#ffffff0d;--selection-bg:#ffffff26;--selection-bg-alt:#ffffff1a;--color-success:#30d158;--color-error:#ff3b30;--color-error-dark:#cc2f26;--color-error-subtle:#ff3b3026;--color-warning:#ff9f0a;--color-info:#0a84ff;--toast-success-bg:#ededed;--toast-success-text:#1a1a1a;--control-accent:#ededed;--control-accent-hover:#fff;--control-track:var(--border-primary);--control-focus:#ffffff80;--btn-primary-bg:#ededed;--btn-primary-text:#1a1a1a;--btn-primary-bg-hover:#fff;--btn-secondary-bg:var(--bg-tertiary);--btn-secondary-text:var(--text-primary);--btn-secondary-bg-hover:#000;--scrollbar-thumb:#fff3;--scrollbar-thumb-hover:#ffffff4d;--overlay-backdrop:#000000d9;--overlay-backdrop-heavy:#000000f2;--overlay-btn-bg:#ffffff1a;--overlay-btn-bg-hover:#fff3;--shadow-dropdown:0 4px 12px #0006;--shadow-toast:0 4px 12px #0000004d;--checkerboard-color:var(--bg-tertiary);--capture-frame-border:#ffffffd9;--capture-frame-dim:#00000073;--capture-frame-grid:#ffffff47;--controls-width:400px;--font-family:"Roboto Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);overflow:hidden}#root{width:100%;height:100vh}input,select,button,textarea{font-family:inherit}input[type=text],input[type=number]{background:var(--bg-input);border:1px solid var(--border-primary);color:var(--text-primary);border-radius:4px;outline:none;padding:6px 8px;font-size:13px}input[type=text]:focus,input[type=number]:focus{border-color:var(--control-focus)}select{background:var(--bg-input);border:1px solid var(--border-primary);color:var(--text-primary);cursor:pointer;border-radius:4px;outline:none;padding:6px 8px;font-size:13px}select:focus{border-color:var(--control-focus)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.app-layout{height:100vh;display:flex}.viewport{flex:1;min-width:0;min-height:0;position:relative}.viewport #canvas-container{width:100%;height:100%}.control-panel{width:var(--controls-width);background:var(--bg-secondary);border-left:1px solid var(--border-primary);flex-direction:column;display:flex;overflow-y:auto}@media (aspect-ratio<=1){.app-layout{flex-direction:column}.viewport{flex:none;height:33.333vh}.control-panel{border-left:none;border-top:1px solid var(--border-primary);flex:1;width:100%}}.control-panel-content{flex:1;overflow-y:auto}.selection-box{pointer-events:none;z-index:10;justify-content:center;align-items:center;display:flex;position:absolute}.selection-box.crossing{border:1px solid var(--accent-primary);background:var(--accent-primary-subtle)}.selection-box.window{border:1px dashed var(--accent-secondary);background:var(--accent-secondary-subtle)}.selection-box-label{color:var(--text-on-accent-muted);text-transform:uppercase;letter-spacing:.5px;-webkit-user-select:none;user-select:none;font-size:11px;font-weight:500}.pt-samples-counter{color:var(--text-primary);background:var(--bg-overlay-strong);pointer-events:none;z-index:10;-webkit-user-select:none;user-select:none;border-radius:4px;padding:3px 8px;font-family:monospace;font-size:11px;position:absolute;top:8px;left:8px}.viewport-status-bar{background:var(--bg-statusbar);pointer-events:none;z-index:10;-webkit-user-select:none;user-select:none;color:#ededed;justify-content:space-between;align-items:center;height:28px;padding:0 16px;font-family:monospace;font-size:11px;display:flex;position:absolute;bottom:0;left:0;right:0}.status-bar-left{align-items:center;display:flex}.status-bar-right{color:var(--scale-tint,inherit);flex-direction:column;justify-content:center;align-items:flex-end;gap:1px;display:flex}.status-bar-scale-label{color:var(--scale-tint,inherit);margin-right:5px;font-size:12px;line-height:1}.status-bar-scale-line{background:var(--scale-tint,currentColor);min-width:20px;max-width:150px;height:1px;position:relative}.status-bar-scale-line:before,.status-bar-scale-line:after{content:"";background:inherit;width:1px;height:5px;position:absolute;bottom:0}.status-bar-scale-line:before{left:0}.status-bar-scale-line:after{right:0}.scale-cursor-float{pointer-events:none;z-index:11;-webkit-user-select:none;user-select:none;color:var(--scale-tint,#ededed);background:var(--bg-statusbar);flex-direction:column;justify-content:center;align-items:flex-end;gap:1px;padding:4px 8px;font-family:monospace;font-size:12px;display:flex;position:absolute}.material-tab-disabled{height:200px;color:var(--text-muted);text-align:center;justify-content:center;align-items:center;padding:20px;font-size:13px;display:flex}.scene-download-overlay{z-index:10000;background:var(--overlay-backdrop,#0009);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.scene-download-card{background:var(--bg-secondary);border:1px solid var(--border-primary);box-shadow:var(--shadow-lg,0 8px 32px #0006);border-radius:8px;flex-direction:column;align-items:center;gap:12px;min-width:300px;padding:32px 48px;display:flex}.scene-download-label{color:var(--text-primary);font-size:14px}.scene-download-bar-track{background:var(--bg-overlay-subtle);border-radius:3px;width:100%;height:6px;overflow:hidden}.scene-download-bar-fill{background:var(--text-primary);border-radius:3px;height:100%;transition:width .15s ease-out}.scene-download-bar-fill.indeterminate{animation:1.2s ease-in-out infinite scene-download-indeterminate;width:40%!important}@keyframes scene-download-indeterminate{0%{transform:translate(-100%)}to{transform:translate(350%)}}.scene-download-percent{color:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:12px}.scene-download-cancel{color:var(--btn-secondary-text);background:var(--btn-secondary-bg);border:1px solid var(--border-primary);cursor:pointer;border-radius:4px;margin-top:4px;padding:6px 20px;font-size:12px}.scene-download-cancel:hover{background:var(--btn-secondary-hover-bg)}.slider-control{flex-direction:column;gap:4px;display:flex}.slider-control label{color:var(--text-secondary);font-size:12px}.slider-row{align-items:center;gap:8px;display:flex}.slider-row input[type=range]{appearance:none;background:var(--border-primary);border-radius:2px;outline:none;flex:1;height:4px}.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--control-accent);cursor:pointer;border-radius:50%;width:14px;height:14px}.slider-row input[type=number]{text-align:left;width:70px}.color-control{flex-direction:column;gap:4px;display:flex}.color-control label{color:var(--text-secondary);font-size:12px}.color-row{align-items:center;gap:8px;display:flex}.color-row input[type=color]{border:1px solid var(--border-primary);cursor:pointer;background:var(--bg-input);border-radius:4px;width:40px;height:30px;padding:2px}.color-row input[type=text]{width:80px;font-family:monospace;font-size:12px}.vector2-control label{color:var(--text-secondary);margin-bottom:4px;font-size:12px;display:block}.vector2-row{align-items:center;gap:8px;display:flex}.vector2-row span{color:var(--text-muted);min-width:14px;font-size:11px}.vector2-row input[type=number]{width:70px}.vector3-control label{color:var(--text-secondary);margin-bottom:4px;font-size:12px;display:block}.vector3-row{align-items:center;gap:4px;display:flex}.vector3-row span{color:var(--text-muted);text-align:center;min-width:12px;font-size:11px}.vector3-row input[type=number]{flex:1;min-width:0}.checkbox-control{align-items:center;gap:8px;display:flex}.checkbox-control input[type=checkbox]{appearance:none;border:1.5px solid var(--control-accent);background:var(--control-accent);cursor:pointer;border-radius:3px;width:16px;min-width:16px;height:16px;position:relative}.checkbox-control input[type=checkbox]:checked:after{content:"";border:solid var(--bg-primary);border-width:0 2px 2px 0;width:5px;height:9px;position:absolute;top:1px;left:4px;transform:rotate(45deg)}.checkbox-control label{color:var(--text-primary);cursor:pointer;font-size:13px}.parallax-shifted-maps{flex-direction:column;gap:6px;margin-bottom:6px;display:flex}.drag-number-control{flex-direction:column;gap:4px;display:flex}.drag-number-control label{color:var(--text-secondary);font-size:12px}.drag-number-input{cursor:ew-resize;-webkit-user-select:none;user-select:none;width:70px}.select-control{flex-direction:column;gap:4px;display:flex}.select-control label{color:var(--text-secondary);font-size:12px}.select-control select{width:100%}.btn{cursor:pointer;border:none;border-radius:4px;padding:8px 16px;font-size:13px;transition:background .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.btn-primary:hover:not(:disabled){background:var(--btn-primary-bg-hover)}.btn-secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:1px solid var(--border-primary)}.btn-secondary:hover:not(:disabled){background:var(--btn-secondary-bg-hover)}.btn-danger{background:var(--color-error);color:var(--text-on-accent);border:1px solid var(--border-primary)}.btn-danger:hover:not(:disabled){background:var(--color-error-dark)}.btn-small{padding:4px 10px;font-size:12px}.info-text{color:var(--text-dim);margin-top:4px;font-size:11px;line-height:1.4}.control-with-help{align-items:center;gap:8px;display:flex}.control-with-help>:first-child{flex:auto;min-width:0}.help-tip{border:1px solid var(--border-primary);background:var(--bg-input);width:15px;height:15px;color:var(--text-muted);cursor:help;-webkit-user-select:none;user-select:none;border-radius:50%;outline:none;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;line-height:1;display:inline-flex;position:relative}.help-tip:hover,.help-tip:focus-visible{color:var(--text-primary);border-color:var(--control-focus)}.help-tip-popup{background:var(--bg-tertiary);border:1px solid var(--border-primary);width:260px;max-width:70vw;box-shadow:var(--shadow-dropdown);color:var(--text-secondary);text-align:left;white-space:normal;opacity:0;visibility:hidden;z-index:10;pointer-events:none;border-radius:6px;padding:10px 12px;font-size:11px;font-weight:400;line-height:1.5;transition:opacity .12s;position:absolute;bottom:calc(100% + 8px);right:0}.help-tip:hover .help-tip-popup,.help-tip:focus-visible .help-tip-popup{opacity:1;visibility:visible}.help-tip-popup strong{color:var(--text-primary);font-weight:600}.extension-warning-note{color:var(--text-secondary);background:var(--bg-overlay-subtle);border:1px solid var(--color-warning);border-radius:4px;align-items:flex-start;gap:8px;margin-bottom:10px;padding:8px 10px;font-size:11px;line-height:1.45;display:flex}.extension-warning-note .warning-icon-inline{color:var(--color-warning);flex-shrink:0;font-size:13px;line-height:1.2}.extension-warning-note code{color:var(--text-primary);font-family:monospace}.file-upload-btn{display:block}.file-upload-btn input[type=file]{display:none}.property-row{margin-bottom:12px}.section-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:12px 0 8px;font-size:11px}.history-controls{flex-direction:column;gap:8px;margin:8px 0;display:flex}.history-buttons{gap:8px;display:flex}.history-slider-row{align-items:center;gap:8px;display:flex}.history-slider-row input[type=range]{appearance:none;background:var(--border-primary);border-radius:2px;outline:none;flex:1;height:4px}.history-slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--control-accent);cursor:pointer;border-radius:50%;width:12px;height:12px}.history-label{color:var(--text-muted);white-space:nowrap;font-size:11px}.global-mixed-hint{color:var(--accent-primary);font-style:italic}.attenuation-row{align-items:center;gap:8px;display:flex}.attenuation-row .slider-row{flex:1}.attenuation-row .checkbox-control{flex-shrink:0}.thumbnail-preview{border:1px solid var(--border-primary);background:var(--bg-secondary);border-radius:4px;justify-content:center;align-items:center;width:100%;margin-top:8px;display:flex;overflow:hidden}.thumbnail-preview img{object-fit:contain;width:100%;height:100%;display:block}.thumbnail-preview--checkerboard{background-image:linear-gradient(45deg, var(--checkerboard-color) 25%, transparent 25%), linear-gradient(-45deg, var(--checkerboard-color) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--checkerboard-color) 75%), linear-gradient(-45deg, transparent 75%, var(--checkerboard-color) 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.thumbnail-preview__loading{color:var(--text-muted);padding:16px;font-size:12px}.warning-icon{color:var(--color-warning);background:var(--bg-section-content);border-radius:4px;padding:2px 7px 4px;position:absolute;top:48%;right:4px;transform:translateY(-50%)}:is(.btn:has(.warning-icon),.checkbox-control:has(.warning-icon)){position:relative}.control-section{border-bottom:2px solid var(--border-primary);margin-bottom:0}.section-header{background:var(--bg-tertiary);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:12px 16px;font-size:14px;font-weight:600;transition:background .2s;display:flex}.section-header:hover{background:var(--bg-hover)}.section-header.non-collapsible{cursor:default}.section-header.non-collapsible:hover{background:var(--bg-tertiary)}.section-header-left{align-items:center;gap:8px;display:flex}.section-header .arrow{border-left:5px solid #0000;border-right:5px solid #0000;border-top:6px solid var(--text-secondary);width:0;height:0;transition:transform .2s;display:inline-block}.section-header .arrow.collapsed{transform:rotate(-90deg)}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot.active{background:var(--accent-primary);box-shadow:0 0 6px var(--accent-primary)}.status-dot.texture{background:var(--accent-secondary);box-shadow:0 0 6px var(--accent-secondary)}.status-dot.inactive{border:1px solid var(--text-dim);border-radius:50%}.section-content{background:var(--bg-section-content);padding:12px 16px}.nested-section{border-left:3px solid var(--accent-primary);background:var(--bg-nested-section);box-shadow:inset 0 0 0 1px var(--accent-primary-subtle);border-radius:4px;margin-bottom:16px;margin-left:8px}.nested-section .section-header{background:var(--bg-nested-header);border-radius:4px 4px 0 0;padding:10px 12px;font-size:12px;font-weight:500}.nested-section .section-header:hover{background:var(--bg-tertiary)}.nested-section .section-content{background:var(--bg-nested-content);padding:10px 12px}.texture-preview{background:var(--bg-input);border:1px solid var(--border-primary);cursor:default;border-radius:4px;justify-content:center;align-items:center;width:100%;height:80px;margin-bottom:8px;display:flex;position:relative;overflow:hidden}.texture-preview img{object-fit:contain;max-width:100%;max-height:100%;transition:opacity .2s}.texture-preview:hover img{opacity:.8}.texture-preview.has-image{cursor:pointer}.texture-preview .no-texture-text{color:var(--text-dim);font-size:12px}.texture-buttons{gap:8px;margin-bottom:10px;display:flex}.texture-params{flex-direction:column;gap:8px;display:flex}.export-mesh-loaded{background:var(--accent-primary-subtle);border:1px solid var(--accent-primary-medium);border-radius:4px;justify-content:space-between;align-items:center;margin-top:8px;padding:8px 12px;display:flex}.export-mesh-loaded span{color:var(--accent-primary);font-size:12px}.tab-bar{border-bottom:2px solid var(--border-primary);background:var(--bg-tertiary);flex-shrink:0;display:flex}.tab-bar button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;margin-bottom:-2px;padding:10px 0;font-size:13px;font-weight:500;transition:color .2s,background .2s}.tab-bar button:hover{color:var(--text-primary);background:var(--bg-hover)}.tab-bar button.active{color:var(--control-accent);border-bottom-color:var(--control-accent)}.tab-bar button.disabled{color:var(--text-dim);cursor:default}.tab-bar button.disabled:hover{color:var(--text-dim);background:0 0}.toast-container{z-index:10000;flex-direction:column;gap:8px;display:flex;position:absolute;bottom:36px;left:12px}.toast{max-width:400px;color:var(--text-on-accent);box-shadow:var(--shadow-toast);border-radius:4px;padding:12px 20px;font-size:13px;animation:.3s forwards toast-in}.toast.success{background:var(--toast-success-bg);color:var(--toast-success-text)}.toast.error{background:var(--color-error)}.toast.warning{background:var(--color-warning);align-items:center;gap:12px;display:flex}.toast.info{background:var(--toast-success-bg);color:var(--toast-success-text);align-items:center;gap:12px;display:flex}.toast.info .toast-undo-btn{background:var(--bg-tertiary);border-color:var(--border-primary);color:var(--text-primary)}.toast-undo-btn{background:var(--bg-overlay-light);border:1px solid var(--bg-overlay-medium);color:var(--text-on-accent);cursor:pointer;border-radius:3px;flex-shrink:0;padding:4px 10px;font-size:12px;font-weight:600;transition:background .15s}.toast-undo-btn:hover{background:var(--bg-overlay-medium)}@keyframes toast-in{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.texture-modal-overlay{background:var(--overlay-backdrop-heavy);z-index:9999;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.texture-modal-close{background:var(--overlay-btn-bg);width:40px;height:40px;color:var(--text-on-accent);cursor:pointer;z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:20px;transition:background .2s;display:flex;position:absolute;top:16px;right:16px}.texture-modal-close:hover{background:var(--overlay-btn-bg-hover)}.texture-modal-container{cursor:default;flex:1;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.texture-modal-container img{object-fit:contain;transform-origin:50%;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;max-width:90%;max-height:90%}.texture-modal-info{color:var(--text-muted);text-align:center;flex-shrink:0;padding:12px 20px;font-size:12px}.property-label{margin-bottom:2px;display:inline-block}.objects-tab-layout{flex-direction:column;height:100%;display:flex}.objects-tree-section{flex-direction:column;flex:1 0 350px;min-height:350px;display:flex;overflow:hidden}.objects-tree-section>.section-content{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.scene-tree-scroll-container{flex:1;min-height:0;overflow-y:auto}.scene-tree{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:4px;height:100%;padding:8px}.scene-tree-model{margin-bottom:2px}.scene-tree-model-header{cursor:pointer;border-radius:3px;align-items:center;gap:6px;padding:6px 8px;font-size:12px;font-weight:600;transition:background .15s;display:flex}.scene-tree-model-header:hover{background:var(--bg-tertiary)}.scene-tree-model-header.selected{background:var(--selection-bg-alt);color:var(--text-primary)}.scene-tree-model-header .model-icon{font-size:8px}.scene-tree-model-header .model-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.scene-tree-model-header .model-mesh-count{color:var(--text-muted);font-size:10px;font-weight:400}.scene-tree-model-header.selected .model-mesh-count{color:var(--text-secondary)}.model-remove-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:2px;flex-shrink:0;padding:0 4px;font-size:14px;line-height:1}.model-remove-btn:hover{color:var(--color-error);background:var(--bg-hover)}.scene-tree-meshes{padding-left:16px}.scene-tree-item{cursor:pointer;border-radius:3px;align-items:center;gap:6px;min-width:0;padding:6px 8px;font-size:12px;transition:background .15s;display:flex;overflow:hidden}.scene-tree-item:hover{background:var(--bg-tertiary)}.scene-tree-item.selected{background:var(--selection-bg);color:var(--text-primary)}.scene-tree-item .mesh-icon{font-size:10px}.scene-tree-item .mesh-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.scene-tree-item .material-name{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;flex-shrink:1;min-width:0;margin-left:4px;font-size:10px;overflow:hidden}.scene-tree-item.selected .material-name{color:var(--text-secondary)}.visibility-toggle{color:var(--text-secondary);cursor:pointer;opacity:.7;background:0 0;border:none;flex-shrink:0;margin-left:auto;padding:2px 4px;font-size:12px;line-height:1;transition:opacity .15s}.visibility-toggle:hover{opacity:1}.visibility-toggle.hidden{opacity:.3}.scene-tree-model-header.selected .visibility-toggle,.scene-tree-item.selected .visibility-toggle{color:var(--text-primary)}.scene-tree-item.hidden-mesh,.scene-tree-model-header.hidden-model{opacity:.5}.scene-tree-toolbar{gap:4px;margin-bottom:4px;display:flex}.scene-tree-toolbar .btn{flex:1;padding:4px 8px;font-size:11px}.scene-tree-empty{color:var(--text-muted);padding:8px;font-size:12px}.scene-tree-search{margin-bottom:4px;position:relative}.scene-tree-search-input{box-sizing:border-box;background:var(--bg-input);border:1px solid var(--border-primary);width:100%;color:var(--text-primary);border-radius:4px;outline:none;padding:5px 28px 5px 8px;font-size:11px}.scene-tree-search-input:focus{border-color:var(--control-accent)}.scene-tree-search-input::placeholder{color:var(--text-muted)}.scene-tree-search-clear{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:2px;padding:2px 6px;font-size:14px;line-height:1;position:absolute;top:50%;right:2px;transform:translateY(-50%)}.scene-tree-search-clear:hover{color:var(--text-primary);background:var(--bg-hover)}.transform-mode-buttons{flex:1;gap:4px;display:flex}.transform-mode-buttons .btn{flex:1;padding:4px 8px;font-size:11px}.debug-view-buttons .btn{white-space:nowrap;text-overflow:ellipsis;min-width:0;padding:4px 2px;font-size:10px;overflow:hidden}.drop-overlay{-webkit-backdrop-filter:blur(6px);pointer-events:none;z-index:100;opacity:0;background:#0000008c;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.drop-overlay.visible{opacity:1}.drop-overlay-card{border:2px dashed var(--accent-primary);background:var(--bg-overlay-subtle);border-radius:16px;flex-direction:column;align-items:center;gap:8px;padding:32px 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var(--border-primary);color:var(--text-secondary);cursor:pointer;font-size:11px;font-weight:500;font-family:var(--font-family);border-radius:4px;padding:3px 10px;line-height:1.4;transition:color .1s,background .1s,border-color .1s}.session-picker-share-btn:hover{color:var(--text-primary);background:var(--bg-overlay-light);border-color:var(--text-dim)}.session-picker-share-btn:disabled{opacity:.35;cursor:not-allowed}.session-picker-share-progress{background:var(--bg-overlay-subtle);border-radius:3px;width:60px;height:6px;overflow:hidden}.session-picker-share-progress-bar{background:var(--text-primary);border-radius:3px;height:100%;transition:width .15s ease-out}.session-picker-delete-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;margin-right:4px;padding:4px;font-size:14px;line-height:1;transition:color .1s,background 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.1s}.session-picker-continue-btn:hover{background:var(--btn-primary-bg-hover)}.session-picker-continue-btn:disabled{opacity:.5;cursor:not-allowed}.session-picker-delete-all-btn{color:var(--color-error);border:1px solid var(--color-error);cursor:pointer;font-size:12px;font-weight:600;font-family:var(--font-family);background:0 0;border-radius:6px;padding:8px 16px;transition:background .15s,color .15s}.session-picker-delete-all-btn:hover,.session-picker-delete-all-btn.confirming{background:var(--color-error);color:var(--text-on-accent)}.session-picker-empty{min-height:0;color:var(--text-muted);flex:1;justify-content:center;align-items:center;font-size:12px;display:flex}.session-picker-scroll{flex:1;min-height:0;overflow-y:auto}.share-modal-overlay{z-index:10001;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.share-modal{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;width:100%;max-width:480px;padding:24px 28px}.share-modal-title{color:var(--text-primary);margin:0 0 6px;font-size:16px;font-weight:600}.share-modal-subtitle{color:var(--text-muted);margin:0 0 16px;font-size:12px}.share-modal-link-row{align-items:stretch;gap:8px;display:flex}.share-modal-link-input{background:var(--bg-input);border:1px solid var(--border-primary);color:var(--text-primary);border-radius:4px;outline:none;flex:1;padding:8px 10px;font-family:monospace;font-size:12px}.share-modal-link-input:focus{border-color:var(--control-accent)}.share-modal-copy-btn{background:var(--btn-primary-bg);color:var(--btn-primary-text);cursor:pointer;font-size:12px;font-weight:600;font-family:var(--font-family);white-space:nowrap;border:none;border-radius:4px;padding:8px 16px;transition:background .1s}.share-modal-copy-btn:hover{background:var(--btn-primary-bg-hover)}.share-modal-footer{justify-content:flex-end;margin-top:16px;display:flex}.share-modal-close-btn{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:1px solid var(--border-primary);cursor:pointer;font-size:12px;font-weight:500;font-family:var(--font-family);border-radius:6px;padding:6px 20px;transition:background .1s}.share-modal-close-btn:hover{background:var(--btn-secondary-bg-hover)}.texture-import-overlay{background:var(--overlay-backdrop);z-index:150;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.texture-import-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;flex-direction:column;width:92%;max-width:680px;max-height:80%;padding:24px 28px;display:flex}.texture-import-title{color:var(--text-primary);margin:0 0 4px;font-size:16px;font-weight:600}.texture-import-subtitle{color:var(--text-muted);margin:0 0 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6px}.texture-import-select:focus{border-color:var(--control-focus)}.texture-import-checkbox-row{align-items:center;gap:6px;margin-bottom:12px;display:flex}.texture-import-checkbox{color:var(--text-secondary);cursor:pointer;align-items:center;gap:8px;font-size:12px;display:flex}.texture-import-checkbox input{accent-color:var(--control-accent);cursor:pointer}.texture-import-help{border:1px solid var(--border-primary);background:var(--bg-input);width:15px;height:15px;color:var(--text-muted);cursor:help;-webkit-user-select:none;user-select:none;border-radius:50%;outline:none;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;line-height:1;display:inline-flex;position:relative}.texture-import-help:hover,.texture-import-help:focus-visible{color:var(--text-primary);border-color:var(--control-focus)}.texture-import-tooltip{background:var(--bg-tertiary);border:1px solid var(--border-primary);width:280px;max-width:70vw;box-shadow:var(--shadow-dropdown);color:var(--text-secondary);text-align:left;white-space:normal;opacity:0;visibility:hidden;z-index:10;pointer-events:none;border-radius:6px;padding:10px 12px;font-size:11px;font-weight:400;line-height:1.5;transition:opacity .12s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.texture-import-help:hover .texture-import-tooltip,.texture-import-help:focus-visible .texture-import-tooltip{opacity:1;visibility:visible}.texture-import-tooltip strong{color:var(--text-primary);font-weight:600}.texture-import-tooltip-warning{border-top:1px solid var(--border-primary);margin-top:8px;padding-top:8px;font-weight:600;display:block;color:var(--color-warning)!important}.texture-import-mode{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.texture-import-mode-label{color:var(--text-secondary);font-size:12px}.texture-import-mode-buttons{border:1px solid 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.1s}.texture-import-btn-secondary:hover{background:var(--btn-secondary-bg-hover)}.texture-import-btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font-family);border:none;border-radius:6px;padding:7px 16px;transition:background .1s}.texture-import-btn-primary:hover:not(:disabled){background:var(--btn-primary-bg-hover)}.texture-import-btn-primary:disabled{opacity:.4;cursor:not-allowed}.material-library-overlay{background:var(--overlay-backdrop);z-index:150;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.material-library-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;flex-direction:column;width:92%;max-width:520px;max-height:80%;padding:24px 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10px}.material-library-search:focus{border-color:var(--control-focus)}.material-library-search::placeholder{color:var(--text-muted)}.material-library-confirm{border:1px solid var(--color-warning);border-radius:6px;flex-direction:column;gap:10px;margin-top:14px;padding:12px 14px;display:flex}.material-library-confirm-reasons{color:var(--text-secondary);flex-direction:column;gap:4px;font-size:12px;display:flex}.material-library-confirm-actions{justify-content:flex-end;gap:8px;display:flex}.material-library-list{flex-direction:column;gap:8px;min-height:0;display:flex;overflow-y:auto}.material-library-empty{color:var(--text-muted);text-align:center;padding:28px 8px;font-size:12px}.material-library-entry{border:1px solid var(--border-primary);background:var(--bg-tertiary);border-radius:6px;align-items:center;gap:12px;padding:8px;display:flex}.material-library-thumb{object-fit:cover;background-color:var(--bg-input);border-radius:4px;flex-shrink:0;width:56px;height:56px}.material-library-entry-info{flex:1;min-width:0}.material-library-entry-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;display:block;overflow:hidden}.material-library-entry-actions{flex-shrink:0;gap:6px;display:flex}.material-library-delete{color:var(--color-error);border:1px solid var(--color-error);background:0 0}.material-library-delete:hover:not(:disabled),.material-library-delete.confirming{background:var(--color-error);color:var(--text-on-accent)}.material-library-footer{border-top:1px solid var(--border-primary);justify-content:flex-end;margin-top:16px;padding-top:14px;display:flex}.saved-views-list{flex-direction:column;gap:6px;max-height:50vh;margin:6px 0;display:flex;overflow-y:auto}.saved-view-row{background:var(--bg-secondary);border:1px solid var(--border-section);border-radius:4px;align-items:stretch;gap:8px;padding:6px;display:flex}.saved-view-thumb{background:var(--checkerboard-color);cursor:pointer;border-radius:3px;flex:0 0 96px;justify-content:center;align-items:center;width:96px;display:flex;overflow:hidden}.saved-view-thumb img{object-fit:cover;width:100%;height:100%;display:block}.saved-view-thumb__loading{color:var(--text-muted);font-size:16px}.saved-view-info{flex-direction:column;flex:1;justify-content:space-between;gap:4px;min-width:0;display:flex}.saved-view-name{box-sizing:border-box;width:100%}.saved-view-actions{gap:4px;display:flex}.saved-view-actions .btn{flex:1;padding:3px 6px;font-size:11px}.capture-grid-overlay{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow:hidden}.capture-grid-frame{box-sizing:border-box;border:1px solid var(--capture-frame-border);box-shadow:0 0 0 100vmax var(--capture-frame-dim);position:relative}.capture-grid-frame:before{content:"";background:linear-gradient(to right, transparent calc(33.333% - .5px), var(--capture-frame-grid) calc(33.333% - .5px), var(--capture-frame-grid) calc(33.333% + .5px), transparent calc(33.333% + .5px)), linear-gradient(to right, transparent calc(66.666% - .5px), var(--capture-frame-grid) calc(66.666% - .5px), var(--capture-frame-grid) calc(66.666% + .5px), transparent calc(66.666% + .5px)), linear-gradient(to bottom, transparent calc(33.333% - .5px), var(--capture-frame-grid) calc(33.333% - .5px), var(--capture-frame-grid) calc(33.333% + .5px), transparent calc(33.333% + .5px)), linear-gradient(to bottom, transparent calc(66.666% - .5px), var(--capture-frame-grid) calc(66.666% - .5px), var(--capture-frame-grid) calc(66.666% + .5px), transparent calc(66.666% + .5px));position:absolute;inset:0}