*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #09090b;--bg-elevated: #0f0f12;--surface: #18181b;--surface-hover: #222226;--border: #2e2e33;--border-subtle: #232328;--text: #ececf1;--text-dim: #8b8b96;--accent: #7c6cff;--accent-hover: #9588ff;--accent-muted: color-mix(in srgb, var(--accent) 18%, transparent);--danger: #f87171;--toolbar-h: 48px;--orientation-gizmo-size: 96px;--orientation-gizmo-inset: 12px;--palette-w: 208px;--status-h: 32px;--radius-sm: 6px;--radius-md: 10px;--shadow-panel: 0 12px 40px rgba(0, 0, 0, .45)}html,body{width:100%;height:100%;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:13px;overflow:hidden;-webkit-font-smoothing:antialiased}.seo-content{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#app{display:flex;flex-direction:column;width:100%;height:100%;position:relative}#toolbar{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;height:var(--toolbar-h);padding:0 14px;background:var(--bg-elevated);border-bottom:1px solid var(--border-subtle);flex-shrink:0;z-index:5}.toolbar-cluster{display:flex;align-items:center;gap:10px;min-width:0}.toolbar-cluster--center{justify-content:center}.toolbar-cluster--end{justify-content:flex-end}.toolbar-divider{width:1px;height:22px;background:var(--border);flex-shrink:0}.toolbar-segment{display:flex;align-items:center;gap:4px;padding:3px;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}#app-brand{display:flex;align-items:center;gap:6px;background:none;border:none;padding:0;font:inherit;cursor:pointer;border-radius:4px;transition:opacity .12s}#app-brand:hover{opacity:.85}.app-mark{width:10px;height:10px;border-radius:2px;background:linear-gradient(135deg,var(--accent) 0%,#c084fc 100%);box-shadow:0 0 12px color-mix(in srgb,var(--accent) 55%,transparent);flex-shrink:0}#app-title{font-weight:600;color:var(--text);letter-spacing:-.02em;font-size:14px}.app-beta{font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-hover);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);background:var(--accent-muted);border-radius:4px;padding:2px 6px;line-height:1.3}#scene-name{flex:1 1 140px;min-width:0;max-width:220px;background:var(--surface);border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:13px;font-weight:500;padding:6px 10px;outline:none;transition:border-color .15s,background .15s}#scene-name::placeholder{color:var(--text-dim)}#scene-name:hover{border-color:var(--border)}#scene-name:focus{border-color:color-mix(in srgb,var(--accent) 55%,var(--border));background:var(--bg)}@media(max-width:1100px){#toolbar-actions button span{display:none}#toolbar-actions .btn-primary span{display:inline}#light-toggle-btn span,#separated-voxels-toggle span{display:none}}#toolbar-end{position:relative}#light-toggle-btn.active{background:color-mix(in srgb,var(--accent) 22%,transparent);border-color:var(--accent);color:var(--accent-hover)}.light-panel{position:absolute;top:calc(100% + 6px);right:calc(var(--orientation-gizmo-inset) + var(--orientation-gizmo-size) + 8px);width:240px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:6px;box-shadow:0 8px 24px #00000073;z-index:20;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s}.light-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.light-panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.light-panel-title{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;color:var(--text);text-transform:uppercase;letter-spacing:.04em}.light-panel-reset{padding:2px 8px;font-size:11px;border:none;color:var(--text-dim);background:transparent}.light-panel-reset:hover{color:var(--text);background:#ffffff0f;border:none}.light-slider-row{display:grid;grid-template-columns:62px 1fr 36px;align-items:center;gap:8px;margin-bottom:8px;cursor:default}.light-slider-row:last-child{margin-bottom:0}.light-slider-label{font-size:11px;color:var(--text-dim)}.light-slider-value{font-size:11px;color:var(--text-dim);text-align:right;font-variant-numeric:tabular-nums}.light-slider-row input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}#separated-voxels-toggle{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim);font-size:11px;cursor:pointer;user-select:none}#separated-voxels-toggle:hover{color:var(--text)}#separated-voxels-toggle input[type=checkbox]{accent-color:var(--accent);cursor:pointer}#workspace{flex:1;min-height:0;display:flex;background:var(--bg)}#viewport-frame{position:relative;flex:1;min-width:0;min-height:0;background:radial-gradient(ellipse 80% 60% at 50% 40%,color-mix(in srgb,var(--accent) 6%,transparent),transparent 70%),var(--bg)}#sidebar-left.palette-sidebar{width:var(--palette-w);flex-shrink:0;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--border-subtle);background:var(--bg-elevated);color:var(--text)}.palette-toolbar{display:flex;align-items:center;gap:6px;flex-shrink:0}.palette-toolbar.panel-header{border-bottom:1px solid var(--border)}.palette-toolbar-label.panel-title{flex:1}.palette-lock{padding:2px 7px;border-color:transparent;color:var(--text-dim)}.palette-lock:hover{background:var(--surface-hover);border-color:transparent;color:var(--text)}.palette-lock.active{color:var(--accent-hover);background:var(--accent-muted);border-color:color-mix(in srgb,var(--accent) 35%,transparent)}.palette-grid-wrap{flex:1 1 auto;min-height:0;overflow-y:auto;padding:8px;scrollbar-width:thin}.palette-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;padding:8px;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm)}.palette-empty{grid-column:1 / -1;font-size:11px;color:var(--text-dim);text-align:center;padding:8px 4px}.palette-swatch{position:relative;aspect-ratio:1;min-height:26px;padding:0;border:1px solid var(--border);border-radius:4px;cursor:pointer}.palette-swatch:hover{border-color:var(--text-dim);z-index:1}.palette-swatch.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.palette-swatch.emissive:after{content:"";position:absolute;inset:2px;border:1px solid rgba(255,255,255,.35);border-radius:2px;pointer-events:none}.palette-swatch--add{background:var(--bg)!important;color:var(--text-dim);font-size:14px;border-style:dashed}.palette-swatch--add:hover:not(:disabled){border-color:var(--accent);color:var(--accent-hover);background:var(--accent-muted)!important}.palette-swatch--add:disabled{opacity:.35;cursor:default}.palette-picker{flex:0 0 auto;display:flex;flex-direction:column;gap:8px;padding:10px 8px;margin-top:auto;border-top:1px solid var(--border);background:var(--surface)}.palette-sv,.palette-hue{width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:crosshair;touch-action:none}.palette-val-row{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim)}.palette-val-row input[type=range]{flex:1;accent-color:var(--accent)}#status-bar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr);align-items:center;gap:12px;height:var(--status-h);padding:0 14px;border-top:1px solid var(--border-subtle);background:var(--bg-elevated);flex-shrink:0;z-index:4}#scene-stats{display:flex;align-items:center;gap:8px;font-size:11px;line-height:1;color:var(--text-dim);pointer-events:none;user-select:none;font-variant-numeric:tabular-nums}.status-sep{opacity:.45}#tool-hint{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--text-dim);pointer-events:none;user-select:none;opacity:0;transition:opacity .2s}#tool-hint.visible{opacity:1}#sphere-radius-panel{position:absolute;top:12px;left:calc(12px + var(--tool-rail-w, 56px) + 10px);padding:6px 12px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-panel);font-size:11px;font-weight:500;color:var(--text);z-index:9;opacity:0;pointer-events:none;user-select:none;transition:opacity .15s;white-space:nowrap}#sphere-radius-panel.visible{opacity:1}#tool-hint kbd,.tool-tooltip kbd{display:inline-block;padding:1px 5px;background:var(--border);border-radius:3px;font-family:inherit;font-size:10px;color:var(--text)}#viewport{display:block;width:100%;height:100%}button{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:1px solid transparent;color:var(--text);padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-weight:500;font-family:inherit;transition:background .12s,border-color .12s,color .12s}.toolbar-segment button{border-color:transparent;padding:6px 11px}.btn-primary{background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important}.btn-primary:hover{background:var(--accent-hover)!important;border-color:var(--accent-hover)!important;color:#fff!important}.ti{font-size:14px;line-height:1;flex-shrink:0}button:hover{background:var(--surface-hover);border-color:var(--border);color:var(--text)}.toolbar-segment button:hover:not(.btn-primary){background:var(--bg)}#toolbar-end>button:hover{background:var(--surface-hover)}.panel{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-panel);overflow:hidden;min-height:0}.panel-header{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.panel-title{flex:1;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text)}.panel-btn{padding:2px 7px;font-size:13px;line-height:1}.panel-body{overflow-y:auto;padding:6px;display:flex;flex-direction:column;gap:3px}.panel-empty{padding:12px 6px;color:var(--text-dim);font-size:12px;text-align:center}.mat-row{display:flex;align-items:center;gap:7px;padding:5px 6px;border-radius:4px;background:var(--bg);border:1px solid transparent;transition:border-color .1s;cursor:pointer}.mat-row:hover{border-color:var(--border)}.mat-row.selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--bg))}.mat-color{flex-shrink:0;width:26px;height:26px;padding:2px;border:1px solid var(--border);border-radius:4px;background:var(--surface);cursor:pointer}.mat-color:hover{border-color:var(--accent)}.mat-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;color:var(--text);font-size:12px;padding:3px 5px;border-radius:3px}.mat-name:hover{border-color:var(--border)}.mat-name:focus{background:var(--bg);border-color:var(--accent);outline:none}.mat-emissive{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-dim);cursor:pointer;white-space:nowrap;user-select:none}.mat-usage{font-size:11px;color:var(--text-dim);min-width:18px;text-align:right}.mat-delete{flex-shrink:0;color:var(--text-dim);font-size:12px;opacity:.6}.mat-delete:hover{background:#3a1520!important;border-color:#6b2030!important;color:#f56!important;opacity:1}.tool-palette{--tool-rail-w: 56px;position:absolute;top:12px;left:12px;display:flex;flex-direction:column;align-items:stretch;gap:6px;width:var(--tool-rail-w);padding:8px 6px;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(10px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-panel);z-index:10;user-select:none}.tool-rail-label{font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);text-align:center;padding-bottom:2px}.tool-group{display:flex;flex-direction:column;gap:4px}.tool-btn{padding:0;width:100%;height:40px;font-size:20px;border-color:transparent;line-height:1;border-radius:var(--radius-sm)}.tool-btn .ti{font-size:20px}.tool-btn.active{background:var(--accent-muted);border-color:color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent-hover);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 25%,transparent)}.tool-btn:hover:not(.active){background:var(--surface-hover);border-color:transparent;color:var(--text)}.tool-tooltip{position:absolute;left:calc(100% + 10px);transform:translateY(-50%);background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:5px 10px;font-size:12px;color:var(--text);white-space:nowrap;pointer-events:none;box-shadow:0 2px 10px #00000080;opacity:0;transition:opacity .1s}.tool-tooltip.visible{opacity:1}.tool-divider{height:1px;margin:2px 4px;background:var(--border-subtle)}.tool-mat-btn{display:flex;flex-direction:column;align-items:center;gap:4px;width:100%;padding:8px 4px 6px;border-color:transparent;font-size:9px;line-height:1.2;color:var(--text-dim)}.tool-mat-btn:hover{background:var(--surface-hover);border-color:transparent;color:var(--text)}.tool-mat-swatch{width:22px;height:22px;border-radius:5px;flex-shrink:0;border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px 2px #00000040}.tool-mat-name{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.mat-select-btn{flex-shrink:0;font-size:14px;padding:2px 4px;color:var(--text-dim);border-color:transparent}.mat-select-btn:hover{background:transparent!important;border-color:transparent!important;color:var(--text)!important}.mat-row.selected .mat-select-btn{color:var(--accent)}.modal-overlay{position:absolute;inset:0;background:#050712d1;display:flex;align-items:center;justify-content:center;z-index:50;opacity:0;pointer-events:none;transition:opacity .15s}.modal-overlay.open{opacity:1;pointer-events:all}.modal{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:28px;width:400px;box-shadow:0 12px 48px #000c;display:flex;flex-direction:column;gap:20px}.modal-close{position:absolute;top:12px;right:12px;display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:none;border:none;border-radius:4px;color:var(--text-dim);cursor:pointer;transition:color .12s,background .12s}.modal-close:hover{color:var(--text);background:color-mix(in srgb,var(--text) 8%,transparent)}.modal-close .ti{font-size:16px}.modal--wide{width:520px}.modal-title{font-size:15px;font-weight:600;color:var(--text);letter-spacing:.01em}.modal-intro{font-size:13px;line-height:1.55;color:var(--text-dim)}.modal-body{display:flex;flex-direction:column;gap:12px;font-size:13px;line-height:1.55;color:var(--text-dim)}.modal-body a{color:var(--accent);text-decoration:none}.modal-body a:hover{text-decoration:underline}.modal-footer-links{display:flex;align-items:center;justify-content:center;gap:8px}.modal-footer-sep{color:var(--text-dim);font-size:12px}.modal-link{background:none;border:none;padding:0;font:inherit;font-size:12px;color:var(--text-dim);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.modal-link:hover{color:var(--accent)}.modal-section{display:flex;flex-direction:column;gap:8px}.modal-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.modal-size-row{display:flex;align-items:center;gap:8px}.modal-x{color:var(--text-dim);font-size:14px}.modal-field{display:flex;align-items:center;gap:5px}.modal-field-label{font-size:11px;color:var(--text-dim);white-space:nowrap}.modal-field input[type=number]{width:72px;background:var(--bg);border:1px solid var(--border);border-radius:4px;color:var(--text);font-size:13px;padding:5px 8px;outline:none;transition:border-color .12s;-moz-appearance:textfield}.modal-field input[type=number]::-webkit-outer-spin-button,.modal-field input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}.modal-field input[type=number]:focus{border-color:var(--accent)}.modal-res-row{display:flex;align-items:center;gap:14px}.modal-res-row .modal-field input[type=number]{width:72px}.modal-derived{font-size:12px;color:var(--text-dim);white-space:nowrap}.modal-derived strong{color:var(--text)}.modal-info{font-size:12px;color:var(--text-dim);background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:8px 12px;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding-top:4px}.modal-actions .btn-confirm{background:var(--accent);border-color:var(--accent);color:#fff;padding:6px 18px}.modal-actions .btn-confirm:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.modal-actions .btn-cancel{color:var(--text-dim);padding:6px 14px}.modal-divider{display:flex;align-items:center;gap:12px;margin:4px 0;color:var(--text-dim);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.modal-divider:before,.modal-divider:after{content:"";flex:1;height:1px;background:var(--border)}.example-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:8px}.example-tile{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 10px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px;font-weight:500;cursor:pointer;transition:border-color .15s,background .15s}.example-tile:hover{background:color-mix(in srgb,var(--accent) 8%,var(--bg));border-color:var(--accent);color:var(--text)}.example-tile-preview{display:flex;align-items:center;justify-content:center;color:var(--text-dim);line-height:1;transition:color .15s}.example-tile-preview .ti{font-size:36px}.example-tile:hover .example-tile-preview{color:var(--accent)}.example-tile-label{line-height:1.2}.export-format-card{display:flex;align-items:center;gap:14px;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:5px}.export-format-icon{font-size:28px;color:var(--accent);flex-shrink:0}.export-format-info{flex:1;display:flex;flex-direction:column;gap:4px}.export-format-name{font-weight:600;font-size:13px;color:var(--text)}.export-format-desc{font-size:11px;color:var(--text-dim)}.btn-export{flex-shrink:0;background:var(--accent);border-color:var(--accent);color:#fff;padding:6px 14px}.btn-export:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.groups-dock{position:absolute;left:12px;bottom:12px;width:min(280px,calc(100% - 24px));max-height:min(220px,34vh);z-index:10;opacity:1;pointer-events:all;box-shadow:var(--shadow-panel)}.groups-dock .panel-body{max-height:160px}.groups-panel .group-list{min-height:36px}.group-row{display:flex;align-items:center;gap:5px;padding:3px 4px;border:1px solid transparent;border-radius:4px;background:var(--bg)}.group-row.selected{border-color:var(--accent)}.group-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;color:var(--text);font-size:12px;font-family:inherit;padding:3px 5px;border-radius:3px;cursor:text}.group-name:hover{border-color:var(--border)}.group-name:focus{background:var(--bg);border-color:var(--accent);outline:none}.group-count{color:var(--text-dim);font-size:11px}.group-icon{padding:3px 5px;border:0}.group-icon:disabled{opacity:.3;cursor:default}.canvas-settings-modal .canvas-size-message{min-height:16px;color:#ff9a84;font-size:12px}