:root{color-scheme:light;font-family:Roboto,SF Pro Text,Segoe UI,system-ui,-apple-system,sans-serif;--m3-primary: #306a43;--m3-neutral: #f3f4f2;--m3-neutral-variant: #d7d9d5;--m3-error-seed: #b3261e;--m3-on-primary: #ffffff;--m3-primary-container: color-mix(in srgb, var(--m3-primary) 22%, #ffffff 78%);--m3-on-primary-container: color-mix(in srgb, var(--m3-primary) 24%, #000000 76%);--m3-surface: color-mix(in srgb, var(--m3-neutral) 96%, var(--m3-primary) 4%);--m3-surface-bright: color-mix(in srgb, #ffffff 96%, var(--m3-neutral) 4%);--m3-surface-container: color-mix(in srgb, var(--m3-neutral) 90%, var(--m3-primary) 10%);--m3-surface-container-high: color-mix(in srgb, var(--m3-neutral) 84%, var(--m3-primary) 16%);--m3-surface-variant: color-mix(in srgb, var(--m3-neutral-variant) 88%, var(--m3-primary) 12%);--m3-surface-inverse: color-mix(in srgb, #000000 85%, var(--m3-neutral-variant) 15%);--m3-outline: color-mix(in srgb, var(--m3-neutral-variant) 65%, #000000 35%);--m3-outline-variant: color-mix(in srgb, var(--m3-neutral-variant) 78%, #000000 22%);--m3-text: color-mix(in srgb, #000000 85%, var(--m3-neutral-variant) 15%);--m3-text-subtle: color-mix(in srgb, #000000 60%, var(--m3-neutral-variant) 40%);--m3-text-muted: color-mix(in srgb, #000000 45%, var(--m3-neutral-variant) 55%);--m3-on-inverse-surface: color-mix(in srgb, #ffffff 90%, var(--m3-neutral) 10%);--m3-error: var(--m3-error-seed);--m3-on-error: #ffffff;--m3-error-container: color-mix(in srgb, var(--m3-error-seed) 20%, #ffffff 80%);--m3-on-error-container: color-mix(in srgb, var(--m3-error-seed) 25%, #000000 75%);--m3-shadow: color-mix(in srgb, #000000 22%, transparent);--m3-shadow-strong: color-mix(in srgb, #000000 45%, transparent);--m3-scrim: color-mix(in srgb, #000000 65%, transparent);--m3-scrim-weak: color-mix(in srgb, #000000 42%, transparent);--m3-control-muted: color-mix(in srgb, var(--m3-neutral-variant) 55%, #000000 45%);--m3-accent: color-mix(in srgb, var(--m3-primary) 88%, #000000 12%);--m3-accent-strong: color-mix(in srgb, var(--m3-primary) 78%, #000000 22%);--m3-accent-glow: color-mix(in srgb, var(--m3-primary) 60%, #ffffff 40%)}*{box-sizing:border-box}body{margin:0;background:var(--m3-surface);color:var(--m3-text)}.app{position:relative;display:block;height:100%;min-height:0}@supports (height: 100dvh){.app{height:100dvh}}.ui{position:absolute;left:50%;bottom:20px;transform:translate(-50%);z-index:10;display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px 18px;border-radius:24px;background:color-mix(in srgb,var(--m3-surface-container) 92%,transparent);border:1px solid color-mix(in srgb,var(--m3-outline) 22%,transparent);box-shadow:0 18px 32px var(--m3-shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);width:fit-content;max-width:min(920px,94vw);text-align:center;opacity:1;transition:opacity 1.2s 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forwards}.debug-overlay{position:absolute;inset:0;z-index:40;display:flex;align-items:flex-start;justify-content:center;padding:16px;background:color-mix(in srgb,var(--m3-scrim) 65%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.debug-card{width:min(520px,92vw);border-radius:16px;padding:14px 16px;background:var(--m3-surface-container);border:1px solid color-mix(in srgb,var(--m3-outline) 20%,transparent);box-shadow:0 16px 28px var(--m3-shadow);color:var(--m3-text);display:flex;flex-direction:column;gap:10px}.debug-header{display:flex;align-items:center;justify-content:space-between;font-size:14px}.debug-sub{font-size:11px;color:var(--m3-text-muted)}.debug-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--m3-text-subtle)}.debug-section{display:flex;flex-direction:column;gap:6px}.debug-label{font-size:12px;color:var(--m3-text-muted)}.debug-pre{margin:0;padding:10px;border-radius:12px;background:var(--m3-surface);border:1px solid color-mix(in srgb,var(--m3-outline) 20%,transparent);font-size:11px;line-height:1.4;color:var(--m3-text);max-height:240px;overflow:auto;white-space:pre-wrap;word-break:break-word}.perf-hud{position:absolute;top:16px;left:16px;z-index:45;padding:10px 12px;border-radius:12px;background:#080c12d1;color:#e6f1ff;font-family:SF Mono,JetBrains Mono,monospace;font-size:11px;line-height:1.35;display:flex;flex-direction:column;gap:4px;border:1px solid rgba(125,211,252,.35);box-shadow:0 12px 24px #00000059}.perf-hud canvas{border-radius:8px;border:1px solid rgba(125,211,252,.25)}.perf-hud-row{display:flex;justify-content:space-between;gap:8px}.perf-hud-sub{font-size:10px;color:#e6f1ffa6;text-align:right}.hotspot-card{position:relative;width:min(480px,88vw);padding:16px;border-radius:24px;background:var(--m3-surface-container);border:1px solid color-mix(in srgb,var(--m3-outline) 24%,transparent);box-shadow:0 18px 36px var(--m3-shadow);display:flex;flex-direction:column;gap:12px;animation:hotspot-pop-in .22s ease-out}.hotspot-modal.is-closing .hotspot-card{animation:hotspot-pop-out .18s ease-in forwards}.hotspot-image{width:100%;height:200px;border-radius:16px;overflow:hidden;background:var(--m3-surface-variant)}.hotspot-image img{width:100%;height:100%;object-fit:cover;display:block}.hotspot-body h3{margin:0 0 6px;font-size:18px;color:var(--m3-text)}.hotspot-body p{margin:0;color:var(--m3-text-subtle);font-size:14px;line-height:1.5}.hotspot-body textarea{min-height:72px;padding:8px;border-radius:12px;border:1px solid color-mix(in srgb,var(--m3-outline) 30%,transparent);background:var(--m3-surface);color:var(--m3-text);resize:vertical}.hotspot-actions{display:flex;justify-content:flex-end;gap:8px}.hotspot-close{align-self:flex-end;width:44px;height:44px;border-radius:14px;border:none;background:var(--m3-surface-container-high);color:var(--m3-text);display:inline-flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--m3-outline) 22%,transparent);transition:transform .16s ease,background .2s ease}.hotspot-close .material-symbols-rounded{font-size:20px}.hotspot-close:not(:disabled):hover{background:color-mix(in srgb,var(--m3-primary) 12%,var(--m3-surface-container-high))}.hotspot-close:not(:disabled):active{transform:scale(.96)}@keyframes hotspot-pop-in{0%{transform:translateY(6px) scale(.98);opacity:.6}to{transform:translateY(0) scale(1);opacity:1}}@keyframes hotspot-fade-in{0%{opacity:0}to{opacity:1}}@keyframes hotspot-pop-out{0%{transform:translateY(0) scale(1);opacity:1}to{transform:translateY(6px) scale(.98);opacity:.6}}@keyframes hotspot-fade-out{0%{opacity:1}to{opacity:0}}.hierarchy-panel{position:absolute;top:20px;right:20px;width:280px;max-height:calc(100vh - 40px);display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:16px;background:color-mix(in srgb,var(--m3-surface-container) 96%,transparent);border:1px solid color-mix(in srgb,var(--m3-outline) 22%,transparent);box-shadow:0 12px 24px var(--m3-shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:100;overflow:hidden}.hierarchy-header{display:flex;justify-content:space-between;align-items:center}.hierarchy-header h3{margin:0;font-size:14px;font-weight:600 var(--m3-text)}.transform-modes button{width:28px;height:28px;border:none;border-radius:6px;background:color-mix(in srgb,var(--m3-surface) 80%,transparent);color:var(--m3-text-muted);cursor:pointer;font-size:14px;transition:all .15s ease}.transform-modes button:hover{background:color-mix(in srgb,var(--m3-primary) 20%,transparent)}.transform-modes button.active{background:var(--m3-primary);color:var(--m3-on-primary)}.hierarchy-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;min-height:100px;max-height:200px}.hierarchy-empty{color:var(--m3-text-muted);font-size:12px;text-align:center;padding:20px}.hierarchy-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:8px;background:color-mix(in srgb,var(--m3-surface) 60%,transparent);cursor:pointer;transition:all .15s ease}.hierarchy-item:hover{background:color-mix(in srgb,var(--m3-primary) 15%,transparent)}.hierarchy-item.selected{background:color-mix(in srgb,var(--m3-primary) 25%,transparent);border:1px solid color-mix(in srgb,var(--m3-primary) 40%,transparent)}.hierarchy-item-name{font-size:13px;color:var(--m3-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hierarchy-item-delete{width:20px;height:20px;border:none;border-radius:4px;background:transparent;color:var(--m3-text-muted);cursor:pointer;font-size:16px;line-height:1;opacity:0;transition:all .15s ease}.hierarchy-item-delete:hover{background:var(--m3-error);color:var(--m3-on-error)}.hierarchy-add{display:flex;flex-direction:column;gap:8px}.hierarchy-input{height:36px;padding:0 12px;border-radius:8px;border:1px solid color-mix(in srgb,var(--m3-outline) 30%,transparent);background:color-mix(in srgb,var(--m3-surface) 92%,transparent);color:inherit;font-size:12px;outline:none}.hierarchy-input:focus{border-color:color-mix(in srgb,var(--m3-primary) 60%,transparent);box-shadow:0 0 0 2px color-mix(in srgb,var(--m3-primary) 25%,transparent)}.hierarchy-add-btn{height:36px;border:none;border-radius:8px;background:var(--m3-primary);color:var(--m3-on-primary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.hierarchy-add-btn:hover:not(:disabled){background:color-mix(in srgb,var(--m3-primary) 85%,#000)}.hierarchy-add-btn:disabled{opacity:.5;cursor:not-allowed}.hierarchy-footer{padding-top:8px;border-top:1px solid color-mix(in srgb,var(--m3-outline) 20%,transparent)}.hierarchy-export-btn{width:100%;height:36px;border:1px solid color-mix(in srgb,var(--m3-outline) 30%,transparent);border-radius:8px;background:color-mix(in srgb,var(--m3-surface) 80%,transparent);color:var(--m3-text);font-size:12px;cursor:pointer;transition:all .15s ease}.hierarchy-export-btn:hover{background:color-mix(in srgb,var(--m3-primary) 15%,transparent);border-color:color-mix(in srgb,var(--m3-primary) 40%,transparent)}.hierarchy-help{padding-top:8px;border-top:1px solid color-mix(in srgb,var(--m3-outline) 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20px;text-align:center;cursor:pointer;transition:all .2s}.model-uploader-dropzone:hover{border-color:#666;background:#ffffff05}.model-uploader-dropzone.dragging{border-color:#4a9eff;background:#4a9eff1a}.model-uploader-dropzone.has-file{border-style:solid;border-color:#4caf50}.model-uploader-placeholder{color:#888}.model-uploader-placeholder .upload-icon{font-size:36px;display:block;margin-bottom:12px}.model-uploader-placeholder .or-divider{font-size:12px;color:#666;margin-top:8px}.model-uploader-file-info{display:flex;align-items:center;justify-content:center;gap:12px;color:#4caf50}.model-uploader-file-info .file-icon{font-size:24px}.model-uploader-file-info .file-name{font-weight:500}.model-uploader-file-info .file-size{color:#888;font-size:13px}.model-uploader-progress{color:#4a9eff}.model-uploader-progress .spinner{width:32px;height:32px;border:3px solid #333;border-top-color:#4a9eff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 12px}.model-uploader-error{margin-top:12px;padding:10px;background:#f443361a;border:1px solid rgba(244,67,54,.3);border-radius:6px;color:#f44336;font-size:13px}.model-uploader-info{margin-top:16px;padding:12px;background:#4a9eff0d;border-radius:6px}.model-uploader-info p{margin:0;color:#888;font-size:12px;display:flex;align-items:center;gap:8px}.model-uploader-info p+p{margin-top:6px}.model-uploader-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 20px;border-top:1px solid #333}.model-uploader-footer button{padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.model-uploader-footer .cancel-btn{background:transparent;border:1px solid #444;color:#aaa}.model-uploader-footer .cancel-btn:hover{border-color:#666;color:#fff}.model-uploader-footer .upload-btn{background:#4a9eff;border:none;color:#fff}.model-uploader-footer .upload-btn:hover:not(:disabled){background:#5aa8ff}.model-uploader-footer .upload-btn:disabled{background:#333;color:#666;cursor:not-allowed}.model-library-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.model-library-modal{background:#1e1e1e;border-radius:12px;width:700px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #00000080}.model-library-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #333}.model-library-header h3{margin:0;color:#fff;font-size:18px}.model-library-content{flex:1;overflow-y:auto;padding:20px}.model-library-loading,.model-library-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#888}.model-library-loading .spinner{width:40px;height:40px;border:3px solid #333;border-top-color:#4a9eff;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}.model-library-empty .empty-icon{font-size:48px;margin-bottom:16px}.model-library-empty .empty-hint{font-size:13px;color:#666;margin-top:8px}.model-library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.model-library-item{aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;background:#2a2a2a;transition:all .2s;position:relative}.model-library-item:hover{transform:scale(1.03);box-shadow:0 4px 20px #0000004d}.model-thumbnail{width:100%;height:100%}.model-thumbnail img{width:100%;height:100%;object-fit:cover}.model-hover-overlay{position:absolute;inset:0;background:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.model-hover-overlay .model-name{color:#fff;font-weight:500;font-size:14px}.model-hover-overlay .add-icon{color:#4a9eff;font-size:24px;font-weight:700}.model-library-footer{padding:12px 20px;border-top:1px solid #333}.model-library-footer .model-count{color:#888;font-size:13px}.hierarchy-add-buttons{padding:0 12px;margin-bottom:12px}.add-dropdown{position:relative}.hierarchy-add-main-btn{width:100%;padding:10px;background:linear-gradient(135deg,#4a9eff,#2979ff);border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.hierarchy-add-main-btn:hover{background:linear-gradient(135deg,#5aa8ff,#3b8aff)}.add-dropdown-menu{position:absolute;bottom:100%;left:0;right:0;margin-bottom:4px;background:#2a2a2a;border:1px solid #444;border-radius:6px;overflow:hidden;box-shadow:0 -4px 20px #0000004d}.add-dropdown-menu button{width:100%;padding:12px 16px;background:transparent;border:none;color:#fff;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .2s}.add-dropdown-menu button:hover{background:#3a3a3a}.add-dropdown-menu .menu-icon{font-size:16px}.close-btn{background:transparent;border:none;color:#888;font-size:24px;cursor:pointer;padding:0;line-height:1}.close-btn:hover{color:#fff}@keyframes spin{to{transform:rotate(360deg)}}.editor-panel{--editor-bg: #1e1e1e;--editor-bg-secondary: #2a2a2a;--editor-border: #3d3d3d;--editor-text: #e0e0e0;--editor-text-muted: #9e9e9e;--editor-accent: #4CAF50;--editor-accent-hover: #66bb6a;--editor-danger: #ef5350;--editor-shadow: rgba(0, 0, 0, .4)}.app.app-edit3d .hierarchy-panel{position:fixed;top:16px;left:16px;width:320px;height:calc(100vh - 32px);max-height:calc(100vh - 32px);display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:12px;background:#1e1e1e;border:1px solid #3d3d3d;box-shadow:0 8px 32px #0006;z-index:100;overflow:hidden}@media(max-width:768px){.app.app-edit3d .hierarchy-panel{top:12px;left:12px;width:min(320px,calc(100vw - 24px));height:calc(100vh - 24px);max-height:calc(100vh - 24px)}}.app.app-edit3d .edit-placement-bar{position:fixed;left:50%;bottom:16px;transform:translate(-50%);display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;background:#1e1e1ef2;border:1px solid #3d3d3d;color:#e0e0e0;box-shadow:0 8px 24px #00000059;z-index:220}.app.app-edit3d .edit-placement-bar button{border:1px solid #4a4a4a;border-radius:8px;background:#2a2a2a;color:#e0e0e0;padding:6px 10px;cursor:pointer;font-size:12px}.app.app-edit3d .edit-placement-bar button:hover{background:#353535}.hierarchy-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px;border-bottom:1px solid #3d3d3d}.hierarchy-header h3{margin:0;font-size:16px;font-weight:600;color:#e0e0e0}.transform-modes{display:flex;gap:4px}.transform-modes button{width:32px;height:32px;border:none;border-radius:8px;background:#2a2a2a;color:#9e9e9e;cursor:pointer;font-size:16px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.transform-modes button:hover{background:#3d3d3d;color:#e0e0e0}.transform-modes button.active{background:#4caf50;color:#fff}.hierarchy-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;min-height:150px;max-height:none;flex-grow:1}.hierarchy-list.is-disabled{opacity:.55;pointer-events:none}.hierarchy-empty{color:#9e9e9e;font-size:13px;text-align:center;padding:24px}.hierarchy-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:8px;background:#2a2a2a;cursor:pointer;transition:all .15s ease;border:1px solid transparent}.hierarchy-item:hover{background:#3d3d3d}.hierarchy-item.selected{background:#3d3d3d;border-color:#4caf50}.hierarchy-item-name{color:#e0e0e0;font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.hierarchy-item-delete{width:24px;height:24px;border:none;border-radius:4px;background:transparent;color:#9e9e9e;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .15s ease}.hierarchy-item:hover .hierarchy-item-delete{opacity:1}.hierarchy-item-delete:hover{background:#ef5350;color:#fff}.hierarchy-add-buttons{display:flex;gap:8px;padding:12px 0;border-top:1px solid #3d3d3d}.hierarchy-add-buttons button{flex:1;height:42px;padding:0 12px;border:none;border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}.hierarchy-add-buttons .local-btn{background:#2a2a2a;color:#e0e0e0;border:1px solid #3d3d3d}.hierarchy-add-buttons .local-btn:hover{background:#3d3d3d;border-color:#4caf50}.hierarchy-add-buttons .library-btn{background:#4caf50;color:#fff}.hierarchy-add-buttons .library-btn:hover{background:#66bb6a}.hierarchy-add{display:none}.hierarchy-footer{padding-top:12px;border-top:1px solid #3d3d3d}.hierarchy-export-btn{width:100%;padding:10px 16px;border:1px solid #3d3d3d;border-radius:8px;background:#2a2a2a;color:#e0e0e0;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s ease}.hierarchy-export-btn:hover{background:#3d3d3d;border-color:#4caf50}.hierarchy-upload-link{display:block;margin-top:8px;color:#7fd9ff;font-size:11px;word-break:break-all;text-decoration:none}.hierarchy-upload-link:hover{text-decoration:underline}.layout-controls{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid #3d3d3d;border-radius:8px;background:#252525}.layout-controls-row{display:flex;gap:8px}.layout-btn{flex:1;height:34px;border-radius:8px;border:1px solid #3d3d3d;background:#2a2a2a;color:#e0e0e0;font-size:12px;font-weight:600;cursor:pointer}.layout-btn:hover:not(:disabled){background:#353535}.layout-btn-primary{border-color:#4caf50;color:#d8f5df}.layout-select{height:34px;border-radius:8px;border:1px solid #3d3d3d;background:#1f1f1f;color:#e0e0e0;padding:0 10px;font-size:12px}.layout-status{font-size:11px;color:#9e9e9e}.hierarchy-add-buttons button:disabled,.layout-btn:disabled,.hierarchy-export-btn:disabled{opacity:.45;cursor:not-allowed}.hierarchy-help{padding:12px;background:#2a2a2a;border-radius:8px;font-size:11px;color:#9e9e9e}.hierarchy-help p{margin:4px 0}.hierarchy-help strong{color:#e0e0e0}.add-dropdown,.add-dropdown-menu{display:none}.lcc-demo-root{width:100vw;height:100vh;overflow:hidden;margin:0;padding:0;background:#000;position:relative}.lcc-demo-root canvas{display:block}.lcc-demo-hud{position:fixed;left:12px;top:12px;z-index:10;background:#0009;color:#e2e8f0;font-size:12px;font-family:IBM Plex Sans,system-ui,-apple-system,sans-serif;padding:8px 10px;border-radius:8px;line-height:1.4;pointer-events:none}html,body,#root{height:100%;width:100%;overflow:hidden}#root{min-height:0}body{overscroll-behavior:none}html.gallery-route,body.gallery-route,body.gallery-route #root{height:auto;min-height:100%;overflow:auto}body.gallery-route{overscroll-behavior:auto}