:root{--studio-bg: #f8fafc;--studio-surface: #ffffff;--studio-border: #e2e8f0;--studio-primary: #3182f6;--studio-primary-dark: #1b64da;--studio-text: #1e293b;--studio-text-muted: #64748b;--studio-header-height: 48px;--studio-toolbar-height: 56px;--studio-trace-height: 140px}body.studio-page{margin:0;padding:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--studio-bg);color:var(--studio-text);height:100vh;display:flex;flex-direction:column;overflow:hidden}.studio-shell{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.studio-toolbar{min-height:var(--studio-toolbar-height);background:var(--studio-surface);border-bottom:1px solid var(--studio-border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;gap:12px;flex-shrink:0;z-index:10}.studio-toolbar-group{display:flex;align-items:center;gap:8px}.studio-navigation-group{min-width:0}.studio-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:44px;padding:0 12px;border-radius:6px;font-size:14px;font-weight:500;border:1px solid var(--studio-border);background:#fff;color:var(--studio-text);cursor:pointer;transition:background .15s ease,border-color .15s ease}.studio-btn:hover:not(:disabled){background:#f1f5f9;border-color:#cbd5e1}.studio-btn:focus-visible{outline:2px solid var(--studio-primary);outline-offset:2px}.studio-btn:disabled{opacity:.5;cursor:not-allowed}.studio-btn-primary{background:var(--studio-primary);color:#fff;border-color:var(--studio-primary-dark)}.studio-btn-primary:hover:not(:disabled){background:var(--studio-primary-dark)}.studio-btn-success{background:#10b981;color:#fff;border-color:#059669}.studio-btn-danger{background:#ef4444;color:#fff;border-color:#dc2626}.studio-btn-icon-only{padding:0;width:44px}.scene-manager-bar{display:flex;flex-direction:column;gap:6px}.screen-item{display:grid;gap:4px;min-width:0}.scene-tab{width:100%;justify-content:flex-start;overflow:hidden}.scene-tab.active{border-color:var(--studio-primary);color:var(--studio-primary-dark);background:#eff6ff}.scene-tab-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.screen-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.screen-action{min-height:44px;min-width:0;padding:0 6px;font-size:12px}.screen-action-delete{color:#b91c1c}.screen-dialog{position:absolute;z-index:30;top:12px;right:12px;bottom:12px;left:12px;align-self:start;padding:16px;border:1px solid var(--studio-border);border-radius:10px;background:var(--studio-surface);box-shadow:0 16px 40px #0f172a38}.screen-dialog h3{margin:0 0 12px;font-size:16px}.screen-dialog p,.screen-dependency-summary{font-size:13px;line-height:1.5}.screen-dialog-input{box-sizing:border-box;width:100%;min-height:44px;margin-top:6px;padding:8px 10px;border:1px solid var(--studio-border);border-radius:6px;font:inherit}.screen-dialog-input:focus-visible{outline:2px solid var(--studio-primary);outline-offset:2px}.screen-dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.studio-scene-bar-container{position:relative}.studio-mode-selector,.studio-workspace-selector,.studio-context-tools{display:flex;background:#e2e8f0;padding:3px;border-radius:8px;gap:2px}.studio-mode-btn,.studio-workspace-btn{border:none;background:transparent;min-height:44px;padding:8px 12px;border-radius:6px;font-size:13px;font-weight:600;color:var(--studio-text-muted);cursor:pointer;transition:background .15s,color .15s}.studio-mode-btn.active,.studio-workspace-btn.active,.studio-context-tools .studio-btn.active{background:#fff;color:var(--studio-primary);box-shadow:0 1px 3px #0000001a}.studio-mode-btn:focus-visible,.studio-workspace-btn:focus-visible{outline:2px solid var(--studio-primary);outline-offset:2px}.studio-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:9999px;font-size:12px;font-weight:600;background:#e2e8f0;color:var(--studio-text-muted)}.studio-badge.saved{background:#dcfce7;color:#15803d}.studio-badge.dirty{background:#fef3c7;color:#b45309}.studio-status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}.studio-workbench{flex:1;display:flex;overflow:hidden;position:relative}.studio-creation-region{width:240px;background:var(--studio-surface);border-right:1px solid var(--studio-border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.studio-design-navigation{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-bottom:1px solid var(--studio-border);background:#f8fafc}.design-nav-btn{display:flex;min-width:0;min-height:52px;padding:4px 2px;border:0;border-right:1px solid var(--studio-border);background:transparent;color:var(--studio-text-muted);flex-direction:column;align-items:center;justify-content:center;gap:2px;font:inherit;font-size:10px;cursor:pointer}.design-nav-btn:last-child{border-right:0}.design-nav-btn:hover{background:#eff6ff}.design-nav-btn.active{background:#dbeafe;color:var(--studio-primary-dark);font-weight:700;box-shadow:inset 0 -3px 0 var(--studio-primary)}.design-nav-btn:focus-visible{position:relative;z-index:1;outline:2px solid var(--studio-primary);outline-offset:-2px}.studio-design-panel-host,.studio-design-panel,.studio-scene-bar-container,.studio-palette-container,.studio-tree-container{min-height:0}.studio-design-panel-host{flex:1;display:flex;overflow:hidden}.studio-design-panel{flex:1;overflow-y:auto;background:var(--studio-surface)}.studio-design-panel[hidden]{display:none!important}.studio-design-panel .region-header{position:sticky;top:0;z-index:2;padding:12px;border-bottom:1px solid var(--studio-border);background:var(--studio-surface);font-size:13px;font-weight:700}.scene-bar,.palette-list,.layer-tree{padding:8px}.design-panel-empty{margin:12px;padding:16px;border:1px dashed #cbd5e1;border-radius:8px;color:var(--studio-text-muted);font-size:13px;line-height:1.5}.layer-tree-item{min-height:44px}.layer-btn-collapse,.layer-btn-rename,.layer-btn-up,.layer-btn-down{width:44px;min-width:44px;min-height:44px;padding:0;font-size:11px}.layer-collapse-spacer{width:44px;min-width:44px}.layer-item-type{margin-left:4px;color:#64748b;font-size:10px}.layer-item-actions{display:flex;width:100%;justify-content:flex-end;gap:4px;padding-top:4px}.studio-lens-region{flex:1;display:flex;position:relative;overflow:hidden;background:#f1f5f9}.studio-lens-host{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.studio-inspector-region{width:300px;background:var(--studio-surface);border-left:1px solid var(--studio-border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.inspector-empty{padding:16px;color:var(--studio-text-muted);font-size:13px;line-height:1.5;text-align:center}.inspector-empty small{color:#64748b}.inspector-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-bottom:1px solid var(--studio-border)}.inspector-tab{min-width:0;min-height:44px;padding:4px 2px;border:0;background:transparent;color:var(--studio-text-muted);font:inherit;font-size:11px;cursor:pointer}.inspector-tab:hover{background:#eff6ff}.inspector-tab.active{color:var(--studio-primary-dark);font-weight:700;box-shadow:inset 0 -3px 0 var(--studio-primary)}.inspector-tab:focus-visible{outline:2px solid var(--studio-primary);outline-offset:-2px}.inspector-pane{display:flex;flex-direction:column;gap:12px}.inspector-pane[hidden]{display:none!important}.inspector-help{margin:0;color:var(--studio-text-muted);font-size:12px;line-height:1.5}.responsive-inspector-group input,.responsive-inspector-group select{min-height:44px}.asset-panel-toolbar,.asset-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.asset-panel-toolbar{padding:10px;border-bottom:1px solid var(--studio-border)}.asset-upload-label{cursor:pointer}.asset-file-input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.asset-quota,.asset-metadata{color:var(--studio-text-muted);font-size:11px}.asset-panel-message{min-height:24px;padding:4px 10px;font-size:12px;line-height:1.4}.asset-panel-message.error{color:#b91c1c;background:#fef2f2}.asset-panel-message.success{color:#047857}.asset-list{display:grid;gap:8px;padding:10px}.asset-card{display:grid;min-width:0;gap:6px;padding:8px;border:1px solid var(--studio-border);border-radius:8px;background:#fff}.asset-thumbnail{width:100%;height:96px;object-fit:contain;border-radius:6px;background:#f8fafc}.asset-name,.asset-metadata{overflow-wrap:anywhere}.asset-actions .studio-btn{flex:1 1 88px;min-height:44px;padding-inline:8px;font-size:11px}.asset-empty{margin:0;color:var(--studio-text-muted);font-size:12px}.template-gallery-host{min-width:0;padding:10px}.gallery-tabs-bar,.pattern-actions,.pattern-confirm-actions{display:flex;flex-wrap:wrap;gap:8px}.gallery-tabs-bar{margin-bottom:10px}.gallery-tabs-bar .studio-btn,.pattern-actions .studio-btn,.pattern-confirm-actions .studio-btn{min-height:44px;padding-inline:9px;font-size:11px}.gallery-tabs-bar .studio-btn{flex:1 1 72px}.pattern-cards-grid{display:grid;min-width:0;gap:10px}.pattern-card{display:grid;min-width:0;gap:8px;padding:9px;border:1px solid var(--studio-border);border-radius:8px;background:#fff}.pattern-preview{position:relative;height:118px;overflow:hidden;border:1px solid #cbd5e1;border-radius:6px;background:#f8fafc;pointer-events:none}.pattern-preview-canvas{width:180%;min-height:210px;padding:10px;transform:scale(.55);transform-origin:top left;color:#1e293b;background:#fff}.pattern-preview-canvas img,.pattern-preview-canvas canvas{max-width:100%}.pattern-name,.pattern-description,.pattern-message,.pattern-confirmation{overflow-wrap:anywhere}.pattern-name{font-size:13px}.pattern-description,.pattern-message p,.pattern-confirmation p{margin:0;color:var(--studio-text-muted);font-size:11px;line-height:1.45}.pattern-actions .studio-btn{flex:1 1 120px}.pattern-message,.pattern-confirmation{display:grid;gap:7px;margin-bottom:10px;padding:10px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;font-size:11px}.pattern-message.error{border-color:#fecaca;background:#fef2f2;color:#991b1b}.pattern-message.success{border-color:#a7f3d0;background:#ecfdf5;color:#065f46}.pattern-message ul{margin:0;padding-left:18px}.pattern-message code{display:block;margin-top:4px;white-space:normal;overflow-wrap:anywhere}.pattern-preservation{font-weight:600}.studio-trace-region{height:var(--studio-trace-height);background:#0f172a;color:#f8fafc;border-top:1px solid var(--studio-border);display:flex;flex-direction:column;flex-shrink:0;transition:height .2s ease}.studio-trace-region.collapsed{height:48px}.studio-trace-header{min-height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:#1e293b;font-size:12px;font-weight:600;cursor:pointer}.studio-trace-body{flex:1;padding:8px 12px;overflow-y:auto;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px}.studio-panel{flex:1;display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden}.studio-panel[hidden]{display:none!important}.studio-splitter{width:6px;background:var(--studio-border);cursor:col-resize;transition:background .15s}.studio-splitter:hover,.studio-splitter:focus-visible{background:var(--studio-primary)}.studio-splitter[aria-orientation=horizontal]{height:6px;width:100%;cursor:row-resize}.visual-panel-host{display:flex;flex-direction:column;min-width:0}.visual-canvas-breadcrumb{display:flex;align-items:center;gap:8px;min-width:0;padding:8px 12px;border-bottom:1px solid var(--studio-border);background:#eff6ff;color:var(--studio-text-muted);font-size:12px;overflow-x:auto}.visual-canvas-breadcrumb[hidden]{display:none}.visual-canvas-breadcrumb>span{flex:0 0 auto}.visual-breadcrumb-home{min-width:44px;min-height:44px;padding:8px 12px;border:1px solid var(--studio-primary);border-radius:8px;background:#fff;color:var(--studio-primary);font:inherit;font-weight:700;cursor:pointer}.visual-breadcrumb-home:focus-visible{outline:3px solid var(--studio-primary);outline-offset:2px}.visual-breadcrumb-separator{color:#94a3b8}.visual-panel-host[data-design-surface=canvas] .visual-canvas-stage{max-width:none!important;width:max-content!important;min-width:min(100%,320px)}.visual-operation-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:8px 12px;border-bottom:1px solid var(--studio-border);background:var(--studio-surface)}.visual-operation-toolbar[hidden]{display:none}.visual-operation-toolbar .studio-btn,.inline-text-editor-actions button{min-width:44px;min-height:44px}.visual-resize-handle{cursor:nwse-resize;touch-action:none}.visual-operation-status{flex:1 1 120px;color:var(--studio-text-muted);font-size:12px}.visual-inline-editor-host:empty{display:none}.inline-text-editor{display:grid;gap:8px;padding:12px;border-bottom:1px solid var(--studio-border);background:#eff6ff}.inline-text-editor textarea{width:100%;min-height:88px;resize:vertical}.inline-text-editor-actions{display:flex;gap:8px}.visual-dom-rendered [data-component-id]:focus-visible{outline:3px solid var(--studio-primary)!important;outline-offset:3px!important}@media(max-width:1024px){.studio-toolbar{flex-wrap:wrap;height:auto;padding:4px 12px}.studio-navigation-group{flex:1 1 100%;order:3;overflow-x:auto;padding-bottom:4px}.studio-creation-region{width:200px}.studio-inspector-region{width:260px}}@media(max-width:768px){.studio-toolbar-group{gap:4px}.studio-mode-btn,.studio-workspace-btn{padding-inline:8px}.studio-creation-region,.studio-inspector-region{position:absolute;top:0;bottom:0;z-index:20;box-shadow:0 4px 12px #00000026}.studio-creation-region{left:0;width:240px}.studio-inspector-region{right:0}}.visual-canvas-toolbox{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:8px;background:var(--studio-surface, #f8fafc);border:1px solid var(--studio-border, #e2e8f0);border-radius:6px;margin-bottom:12px}.visual-canvas-toolbox .canvas-tool-btn{min-height:44px;min-width:44px;padding:8px 12px;font-size:13px;font-weight:500;border-radius:6px;border:1px solid var(--studio-border, #cbd5e1);background:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.visual-canvas-toolbox .canvas-tool-btn:hover{background:#f1f5f9;border-color:#94a3b8}.visual-canvas-toolbox .canvas-tool-btn:focus-visible{outline:2px solid #3182f6;outline-offset:2px}.canvas-stage-composite{position:relative;display:inline-block;border:1px solid var(--studio-border, #cbd5e1);border-radius:6px;box-shadow:0 4px 12px #0000000d;background:#fff}.canvas-stage-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.canvas-object-item{position:absolute;pointer-events:auto;cursor:grab;box-sizing:border-box;-webkit-user-select:none;user-select:none;touch-action:none;transition:outline .1s ease}.canvas-object-item:focus-visible{outline:2px solid #3182f6;outline-offset:2px}.canvas-object-item[style*="cursor: grabbing"]{cursor:grabbing!important}.canvas-object-inspector .inspector-section{padding:10px;background:#f8fafc;border:1px solid var(--studio-border, #e2e8f0);border-radius:6px}.canvas-object-inspector .inspector-input{background:#fff;border:1px solid var(--studio-border, #cbd5e1);border-radius:4px;padding:6px 8px;font-size:12px;width:100%;box-sizing:border-box}.canvas-object-inspector .inspector-input:focus{outline:2px solid #3182f6;border-color:transparent}.studio-behavior-panel{display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden;background:var(--studio-background, #ffffff)}.behavior-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;background:var(--studio-surface, #f8fafc);border-bottom:1px solid var(--studio-border, #e2e8f0);min-height:44px;flex-wrap:wrap}.behavior-target-filter-group{display:flex;align-items:center;gap:8px}.behavior-toolbar-label{font-size:12px;font-weight:600;color:var(--studio-text, #334155)}.behavior-target-select{min-height:36px;padding:4px 10px;font-size:13px;border-radius:6px;border:1px solid var(--studio-border, #cbd5e1);background:#fff;color:var(--studio-text, #1e293b);cursor:pointer}.behavior-target-select:focus{outline:2px solid #3182f6;outline-offset:1px}.behavior-orphan-indicator{display:flex;align-items:center}.behavior-orphan-btn{min-height:36px;padding:4px 10px;font-size:12px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:4px}.behavior-orphan-btn:hover{background:#fee2e2}.behavior-summary-group{display:flex;gap:8px;align-items:center}.behavior-summary-badge{font-size:11px;padding:2px 8px;background:#e2e8f0;color:#475569;border-radius:12px;font-weight:500}.studio-preview-panel{display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden;background:#0f172a}.preview-panel-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;background:#1e293b;border-bottom:1px solid #334155;min-height:44px;flex-wrap:wrap}.preview-run-btn{min-height:36px;padding:6px 14px;font-size:13px;font-weight:600;background:#16a34a;color:#fff;border:none;border-radius:6px;cursor:pointer}.preview-run-btn:disabled{opacity:.5;cursor:not-allowed}.preview-stop-btn{min-height:36px;padding:6px 14px;font-size:13px;font-weight:600;background:#dc2626;color:#fff;border:none;border-radius:6px;cursor:pointer}.preview-stop-btn:disabled{opacity:.5;cursor:not-allowed}.preview-reset-btn{min-height:36px;padding:6px 12px;font-size:12px;background:#334155;color:#f8fafc;border:1px solid #475569;border-radius:6px;cursor:pointer}.preview-reduced-motion-btn{min-height:36px;padding:6px 10px;font-size:12px;background:#334155;color:#94a3b8;border:1px solid #475569;border-radius:6px;cursor:pointer}.preview-reduced-motion-btn.active{background:#0284c7;color:#fff;border-color:#38bdf8}