:root{--bg-base: #0b0b0f;--bg-surface: #131318;--bg-elevated: #1a1a21;--bg-overlay: #21212a;--bg-hover: #282833;--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .14);--accent: #C97B4B;--accent-hover: #D98E60;--accent-muted: rgba(201, 123, 75, .15);--accent-subtle: rgba(201, 123, 75, .08);--secondary: #7EA8B4;--secondary-hover: #92BCC8;--secondary-muted: rgba(126, 168, 180, .15);--text-primary: #EAEAEF;--text-secondary: #9A9AB0;--text-tertiary: #5E5E74;--text-disabled: #3E3E50;--success: #6EBB82;--success-muted: rgba(110, 187, 130, .15);--error: #D46A6A;--error-muted: rgba(212, 106, 106, .12);--physical: #A07CDB;--physical-muted: rgba(160, 124, 219, .15);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .35);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .45);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--ease: cubic-bezier(.25, .1, .25, 1);--duration: .2s}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}.home-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px;background:var(--bg-base);position:relative;overflow:hidden}.home-page:before{content:"";position:absolute;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(201,123,75,.05) 0%,transparent 65%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}.home-card{width:100%;max-width:460px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:36px 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20px;font-size:.82rem;font-weight:500;font-family:inherit;background:var(--bg-overlay);color:var(--text-secondary);border:1px solid var(--border-default);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration) var(--ease)}.home-action-button:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-strong)}.home-action-button:disabled{opacity:.4;cursor:not-allowed}.home-button-spinner{width:14px;height:14px;border:2px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.home-divider{height:1px;background:var(--border-subtle);margin:4px 0}.home-error{padding:10px 16px;background:var(--error-muted);border:1px solid rgba(212,106,106,.2);border-radius:var(--radius-sm);color:var(--error);font-size:.8rem;text-align:center}.launch-button{width:100%;padding:12px 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var(--border-subtle);font-weight:600;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-tertiary);flex-shrink:0;display:flex;align-items:center;justify-content:space-between}.material-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 20px;border-bottom:1px solid var(--border-subtle);flex-shrink:0}.material-name{font-size:.85rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}.material-type-chip{flex-shrink:0;padding:3px 10px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;border-radius:100px}.material-type-chip.standard{background:var(--secondary-muted);color:var(--secondary)}.material-type-chip.physical{background:var(--physical-muted);color:var(--physical)}.tabs-container{flex-shrink:0;border-bottom:1px solid var(--border-subtle)}.tab-group-selector{display:flex;gap:2px;padding:10px 16px 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var(--border-subtle)}.texture-file-input{display:none}.texture-button{flex:1;padding:7px 12px;font-size:.72rem;font-weight:500;font-family:inherit;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration) var(--ease)}.texture-upload{background:var(--secondary-muted);border:1px solid rgba(126,168,180,.2);color:var(--secondary)}.texture-upload:hover{background:#7ea8b438;border-color:#7ea8b459;color:var(--secondary-hover)}.texture-clear{background:var(--error-muted);border:1px solid rgba(212,106,106,.2);color:var(--error)}.texture-clear:hover{background:#d46a6a2e;border-color:#d46a6a4d;color:#e88080}.texture-resize-toggle{background:var(--accent-subtle);border:1px solid rgba(201,123,75,.2);color:var(--accent)}.texture-resize-toggle:hover{background:var(--accent-muted);border-color:#c97b4b59;color:var(--accent-hover)}.texture-resize-panel{display:flex;flex-direction:column;gap:8px;padding:10px;background:var(--bg-elevated);border-top:1px solid var(--border-subtle)}.texture-resize-row{display:flex;align-items:center;gap:6px}.texture-resize-field{display:flex;align-items:center;gap:6px;flex:1}.texture-resize-field-grow{flex:1}.texture-resize-label{font-size:.65rem;font-weight:600;color:var(--text-disabled);min-width:14px;flex-shrink:0}.texture-resize-input{width:100%;padding:6px 8px;font-size:.75rem;font-family:SF Mono,Monaco,Consolas,monospace;font-variant-numeric:tabular-nums;background:var(--bg-overlay);border:1px solid var(--border-default);border-radius:4px;color:var(--text-primary);transition:border-color var(--duration) var(--ease)}.texture-resize-input:focus{outline:none;border-color:var(--accent)}.texture-resize-select{width:100%;padding:6px 22px 6px 8px;font-size:.75rem;font-family:inherit;background:var(--bg-overlay);border:1px solid var(--border-default);border-radius:4px;color:var(--text-primary);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' fill='%235E5E74' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;transition:border-color var(--duration) var(--ease)}.texture-resize-select:focus{outline:none;border-color:var(--accent)}.texture-resize-select option{background:var(--bg-overlay);color:var(--text-primary)}.texture-resize-x{font-size:.68rem;color:var(--text-disabled);flex-shrink:0}.texture-resize-actions{display:flex;gap:6px}.texture-resize-apply{background:var(--accent-muted);border:1px solid rgba(201,123,75,.2);color:var(--accent)}.texture-resize-apply:hover:not(:disabled){background:#c97b4b38;border-color:#c97b4b59;color:var(--accent-hover)}.texture-resize-apply:disabled{opacity:.5;cursor:not-allowed}.texture-resize-cancel{background:var(--bg-overlay);border:1px solid var(--border-default);color:var(--text-secondary)}.texture-resize-cancel:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-strong)}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#0b0b0feb;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);font-size:.85rem;color:var(--text-tertiary);letter-spacing:.01em}.loading-overlay:before{content:"";width:32px;height:32px;border:2px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.no-scene{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);font-size:.88rem}plattar-embed,plattar-adhoc{display:block;width:100%;height:100%}.panel-content::-webkit-scrollbar,.tabs-body::-webkit-scrollbar,.variation-content::-webkit-scrollbar,.scene-tree::-webkit-scrollbar{width:5px}.panel-content::-webkit-scrollbar-track,.tabs-body::-webkit-scrollbar-track,.variation-content::-webkit-scrollbar-track,.scene-tree::-webkit-scrollbar-track{background:transparent}.panel-content::-webkit-scrollbar-thumb,.tabs-body::-webkit-scrollbar-thumb,.variation-content::-webkit-scrollbar-thumb,.scene-tree::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}.panel-content::-webkit-scrollbar-thumb:hover,.tabs-body::-webkit-scrollbar-thumb:hover,.variation-content::-webkit-scrollbar-thumb:hover,.scene-tree::-webkit-scrollbar-thumb:hover{background:var(--text-disabled)}.panel-content,.tabs-body,.variation-content,.scene-tree{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}