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.folder-icon{font-size:16px}.project-folder-item .folder-name{flex:1;font-size:13px;color:var(--text-secondary)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-textarea,.form-select{width:100%;padding:10px 12px;background:var(--bg-darkest);border:1px solid var(--border-medium);border-radius:6px;color:var(--text-primary);font-size:13px;transition:var(--transition-fast)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--accent-primary)}.form-textarea{min-height:80px;resize:vertical}.form-select{cursor:pointer}.btn-primary{padding:10px 20px;background:var(--accent-primary);border:none;border-radius:6px;color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition-fast)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{padding:10px 20px;background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:6px;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:var(--transition-fast)}.btn-secondary:hover{background:var(--bg-lighter);color:var(--text-primary)}.mobile-bottom-bar{display:none;position:fixed;bottom:0;left:0;right:0;height:60px;background:var(--bg-dark);border-top:1px solid var(--border-medium);padding:8px;z-index:100}.mobile-bottom-bar .mobile-tools{display:flex;justify-content:space-around;align-items:center;height:100%}.mobile-tool-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;background:transparent;border:none;border-radius:8px;color:var(--text-secondary);font-size:10px;cursor:pointer;transition:var(--transition-fast)}.mobile-tool-btn svg{width:24px;height:24px;fill:currentColor}.mobile-tool-btn.active{background:var(--accent-primary);color:#fff}.mobile-tool-btn:active{transform:scale(.95)}.mobile-ar-fab{position:fixed;bottom:80px;right:20px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#e94560,#0f3460);border:none;box-shadow:0 4px 20px #e9456066;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:101}.mobile-ar-fab svg{width:28px;height:28px;fill:#fff}.mobile-ar-fab:active{transform:scale(.95)}.mobile-menu-toggle{display:none;padding:8px;background:transparent;border:none;color:var(--text-primary);font-size:24px;cursor:pointer}.mobile-slide-panel{position:fixed;top:0;right:-300px;width:300px;height:100%;background:var(--bg-dark);border-left:1px solid var(--border-medium);z-index:200;transition:right .3s ease;overflow-y:auto}.mobile-slide-panel.open{right:0}.mobile-slide-panel .panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border-medium)}.mobile-slide-panel .close-panel{padding:8px;background:transparent;border:none;color:var(--text-muted);font-size:24px;cursor:pointer}.mobile-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:199;display:none}.mobile-overlay.visible{display:block}.mobile-primitives{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:16px}.mobile-primitive-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:8px;color:var(--text-secondary);font-size:11px;cursor:pointer}.mobile-primitive-btn svg{width:28px;height:28px;fill:currentColor}.mobile-primitive-btn:active{background:var(--accent-primary);color:#fff}.mobile-quick-actions{display:flex;flex-wrap:wrap;gap:8px;padding:16px}.mobile-action-btn{flex:1;min-width:calc(50% - 4px);padding:12px;background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:8px;color:var(--text-primary);font-size:12px;text-align:center;cursor:pointer}.mobile-action-btn:active{background:var(--bg-lighter)}.mobile-action-btn.ar-btn{background:linear-gradient(135deg,#e945604d,#0f34604d);border-color:#e9456080}@media (max-width: 768px){#app{display:flex;flex-direction:column;height:100vh;padding-bottom:60px}#header{height:auto;min-height:var(--header-height);padding:8px}.header-left{flex:1}.header-center,.header-right,.menu-bar{display:none}.mobile-menu-toggle{display:flex}#main-content{flex:1;display:flex;flex-direction:column;padding-bottom:0}#left-panel,#right-panel{display:none!important}#viewport{flex:1;margin:0}#status-bar{display:none}.mobile-bottom-bar{display:block}.mobile-ar-fab{display:flex}.toolbar-btn{width:44px;height:44px}.panel-header{padding:12px 16px}input,select,button{min-height:44px}.modal-content{width:95%;max-height:90vh;margin:20px auto}.modal-content.modal-small{max-width:95%}}@media (max-width: 768px) and (orientation: landscape){.mobile-bottom-bar{height:50px}.mobile-ar-fab{bottom:60px;right:10px;width:50px;height:50px}.mobile-tool-btn{padding:4px 10px}.mobile-tool-btn svg{width:20px;height:20px}.mobile-tool-btn span{display:none}}@media (min-width: 769px) and (max-width: 1024px){:root{--panel-width: 200px}.main-toolbar{gap:4px}.toolbar-btn{width:36px;height:36px}}@supports (padding: env(safe-area-inset-bottom)){.mobile-bottom-bar{padding-bottom:calc(8px + env(safe-area-inset-bottom));height:calc(60px + env(safe-area-inset-bottom))}.mobile-ar-fab{bottom:calc(80px + env(safe-area-inset-bottom))}#header{padding-top:env(safe-area-inset-top)}}@media (hover: none) and (pointer: coarse){.toolbar-btn,.primitive-btn,.material-btn,.mobile-tool-btn,.mobile-primitive-btn,.mobile-action-btn{-webkit-tap-highlight-color:transparent;touch-action:manipulation}.outliner-item,.outliner-folder{padding:10px 12px;min-height:44px}.toolbar-btn:hover,.primitive-btn:hover,.outliner-item:hover,.material-btn:hover{background:inherit}.toolbar-btn.active,.material-btn.active,.outliner-item.selected{background:var(--accent-primary)}}.mobile-status{display:none;position:fixed;top:50px;left:50%;transform:translate(-50%);background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:20px;padding:6px 16px;font-size:12px;color:var(--text-secondary);z-index:102;pointer-events:none;opacity:0;transition:opacity .2s ease}.mobile-status.visible{opacity:1}@media (max-width: 768px){.mobile-status{display:block}}.mobile-object-info{display:none;position:fixed;bottom:130px;left:50%;transform:translate(-50%);background:var(--bg-dark);border:1px solid var(--accent-primary);border-radius:8px;padding:8px 16px;text-align:center;z-index:100;max-width:90%}.mobile-object-info .object-name{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:4px}.mobile-object-info .object-type{font-size:11px;color:var(--text-muted)}@media (max-width: 768px){.mobile-object-info.visible{display:block}}.library-drop-zone{border:2px dashed var(--border-medium);border-radius:8px;padding:16px;text-align:center;cursor:pointer;transition:var(--transition-fast);margin-bottom:12px}.library-drop-zone:hover,.library-drop-zone.drag-over{border-color:var(--accent-primary);background:#4c8bf51a}.library-drop-zone.drag-over{border-style:solid}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text-muted)}.drop-zone-content svg{opacity:.5}.drop-zone-content span{font-size:11px}.drop-zone-content .drop-hint{font-size:10px;opacity:.7}.library-items{display:flex;flex-direction:column;gap:6px;max-height:200px;overflow-y:auto}.library-item{display:flex;align-items:center;gap:8px;padding:8px;background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:6px;cursor:grab;transition:var(--transition-fast)}.library-item:hover{background:var(--bg-lighter);border-color:var(--accent-primary)}.library-item:active{cursor:grabbing}.library-item.dragging{opacity:.5}.library-item-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-darkest);border-radius:4px;color:var(--accent-primary);font-size:14px}.library-item-info{flex:1;min-width:0}.library-item-name{font-size:11px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-item-format{font-size:9px;color:var(--text-muted);text-transform:uppercase}.library-item-actions{display:flex;gap:2px}.library-item-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;color:var(--text-muted);cursor:pointer;font-size:12px;transition:var(--transition-fast)}.library-item-btn:hover{background:var(--bg-darker);color:var(--text-primary)}.library-item-btn.add:hover{color:var(--accent-green)}.library-item-btn.delete:hover{color:var(--accent-red)}.library-empty{text-align:center;padding:16px;color:var(--text-muted);font-size:11px}.canvas-drop-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#4c8bf533;border:3px dashed var(--accent-primary);display:none;align-items:center;justify-content:center;z-index:50;pointer-events:none}.canvas-drop-overlay.visible{display:flex}.canvas-drop-overlay span{background:var(--bg-dark);padding:16px 32px;border-radius:8px;color:var(--accent-primary);font-size:16px;font-weight:500}@media (max-width: 768px){.mobile-slide-panel .library-drop-zone{margin:0 16px 12px}.mobile-slide-panel .library-items{padding:0 16px;max-height:150px}}