:root{--bg:#0e0e0e;--panel:#141414;--surface:#1a1a1a;--line:#242424;--line2:#2e2e2e;--tx-hi:#e8e8e8;--tx-mid:#888;--tx-lo:#444;--red:#c0392b;--axis-x:#d9604a;--axis-y:#4a90d9;--axis-z:#4ad9a0;--font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:"JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--topbar:40px;--sb-h:24px;--sidebar:340px;--r:4px;color:var(--tx-hi);background:var(--bg);font-family:var(--font);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}html,body{background:var(--bg);overflow:hidden}body{min-width:320px}button,input{font:inherit}button{appearance:none}button:focus-visible,input:focus-visible{outline:1px solid var(--tx-hi);outline-offset:2px}h1,h2,p,dl{margin:0}.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:fixed;overflow:hidden}.icon{flex:none;width:12px;height:12px}.app-shell{grid-template-rows:var(--topbar) minmax(0, 1fr) var(--sb-h);width:100%;height:100%;color:var(--tx-hi);background:var(--bg);display:grid}.topbar{min-width:0;height:var(--topbar);border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:0;padding:0 8px;display:flex}.brand{align-items:center;gap:8px;min-width:0;display:inline-flex}.brand-icon{width:15px;height:15px;color:var(--tx-mid);place-items:center;display:grid}.brand-icon .icon{width:15px;height:15px}.brand-name{color:var(--tx-hi);letter-spacing:0;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500;line-height:1;overflow:hidden}.brand-ver{border:1px solid var(--line);color:var(--tx-lo);background:var(--surface);font-family:var(--mono);border-radius:3px;padding:1px 5px;font-size:9px;font-weight:400;line-height:1.4}.tb-divider{background:var(--line);flex:none;width:1px;height:16px;margin:0 14px}.tb-group{align-items:center;gap:7px;min-width:0;display:inline-flex}.tb-group-label{color:var(--tx-lo);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;font-size:9px;font-weight:500;line-height:1}.seg-group{border-radius:var(--r);background:var(--line);gap:1px;padding:1px;display:flex}.seg-btn{min-height:24px;color:var(--tx-lo);letter-spacing:0;background:0 0;border:0;border-radius:3px;padding:0 9px;font-size:11px;font-weight:400;line-height:1}.seg-btn:not(:disabled){cursor:pointer}.seg-btn:not(:disabled):hover{color:var(--tx-mid)}.seg-btn.active{color:var(--tx-hi);background:var(--surface)}.seg-btn:disabled{opacity:.3;pointer-events:none}.tb-spacer{flex:auto}.btn-icon{border:1px solid var(--line);border-radius:var(--r);width:28px;height:28px;color:var(--tx-lo);background:0 0;place-items:center;margin-left:6px;display:inline-grid}.btn-icon:not(:disabled){cursor:pointer}.btn-icon:not(:disabled):hover{color:var(--tx-mid);border-color:var(--line2)}.btn-icon--danger:not(:disabled):hover{color:var(--red);border-color:#c0392b66}.btn-icon:disabled{opacity:.25;pointer-events:none}.btn-primary{border-radius:var(--r);min-height:28px;color:var(--bg);background:var(--tx-hi);letter-spacing:0;border:0;align-items:center;gap:6px;margin-left:8px;padding:5px 12px;font-size:11px;font-weight:500;line-height:1;display:inline-flex}.btn-primary .icon{stroke-width:2px}.btn-primary:not(:disabled){cursor:pointer}.btn-primary:not(:disabled):hover{opacity:.82}.btn-primary:disabled{opacity:.25;pointer-events:none}.workspace{background:var(--bg);min-height:0;display:flex;overflow:hidden}.viewport-wrap{background:var(--bg);overscroll-behavior:contain;flex:auto;min-width:0;position:relative;overflow:hidden}.viewport-wrap--drag{outline:1px solid var(--tx-mid);outline-offset:-1px}#renderCanvas{touch-action:none;overscroll-behavior:contain;outline:none;width:100%;height:100%;display:block;position:absolute;inset:0}.overlay{z-index:10;position:absolute;inset:0}.overlay[hidden]{display:none}.empty-overlay,.error-overlay,.loading-overlay{justify-content:center;align-items:center;display:flex}.empty-overlay,.error-overlay{pointer-events:auto}.loading-overlay{pointer-events:none}.empty-panel,.error-panel,.loading-panel{text-align:center;flex-direction:column;align-items:center;width:min(300px,100% - 32px);display:flex}.empty-icon{border:1px solid var(--line2);width:38px;height:38px;color:var(--tx-lo);border-radius:8px;place-items:center;margin-bottom:14px;display:grid}.empty-icon .icon{stroke-width:1.4px;width:18px;height:18px}.empty-panel h2,.error-panel h2,.loading-panel p{color:var(--tx-hi);font-size:14px;font-weight:500;line-height:1.2}.empty-panel p,.error-panel p,.loading-panel span{max-width:260px;color:var(--tx-lo);margin-top:8px;font-size:11px;font-weight:400;line-height:1.5}.fmt-row{justify-content:center;gap:6px;margin-top:14px;display:flex}.fmt{border:1px solid var(--line2);color:var(--tx-lo);font-family:var(--mono);letter-spacing:.07em;background:0 0;border-radius:3px;padding:2px 8px;font-size:9px;font-weight:500}.btn-browse{border:1px solid var(--line2);border-radius:var(--r);color:var(--tx-mid);background:0 0;margin-top:14px;padding:6px 18px;font-size:11px;font-weight:400;line-height:1}.btn-browse:not(:disabled){cursor:pointer}.btn-browse:not(:disabled):hover{color:var(--tx-hi)}.btn-browse:disabled{opacity:.25;pointer-events:none}.loader{width:36px;height:36px;margin-bottom:12px}.loader svg{width:36px;height:36px;animation:1.2s linear infinite spin}.loader-track,.loader-arc{fill:none;stroke-width:2px}.loader-track{stroke:var(--line2)}.loader-arc{stroke:var(--tx-hi);stroke-dasharray:94;stroke-dashoffset:70px;stroke-linecap:round}.error-icon{width:40px;height:40px;color:var(--red);background:#c0392b14;border:1px solid #c0392b33;border-radius:50%;place-items:center;margin-bottom:12px;display:grid}.error-icon .icon{width:20px;height:20px}.error-panel h2{color:var(--red);font-size:13px}.drag-overlay{z-index:20;border:1px dashed var(--tx-mid);pointer-events:none;background:#0e0e0ecc;justify-content:center;align-items:center;display:flex}.drag-inner{color:var(--tx-hi);flex-direction:column;align-items:center;gap:10px;animation:.18s fadeUp;display:flex}.drag-inner .icon{width:32px;height:32px}.drag-inner 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var(--line);background:var(--panel);scrollbar-width:thin;scrollbar-color:var(--line2) transparent;overflow-y:auto}.s-block{border-bottom:1px solid var(--line);padding:12px}.s-block--last{border-bottom:0}.s-label{color:var(--tx-lo);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;font-size:9px;font-weight:500;line-height:1}.stat-list{gap:0;display:grid}.stat-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:8px;padding:4px 0;display:flex}.stat-row--last{border-bottom:0}.stat-row dt{color:var(--tx-mid);font-size:11px;font-weight:400}.stat-row dd{overflow-wrap:anywhere;min-width:0;color:var(--tx-hi);font-family:var(--mono);text-align:right;margin:0;font-size:10px;font-weight:400}.stat-row dd.empty,.muted-value{color:var(--tx-lo)}.toggle-list{gap:8px;display:grid}.toggle-row{-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:10px;display:flex;position:relative}.toggle-row:hover{cursor:pointer}.toggle-label{min-width:0;color:var(--tx-mid);flex-wrap:wrap;align-items:center;gap:7px;font-size:11px;font-weight:400;display:flex}.toggle-label .icon{width:12px;height:12px;color:var(--tx-lo);stroke-width:1.6px}.toggle-sub{width:100%;color:var(--tx-lo);padding-left:19px;font-size:9px}.toggle-row input[type=checkbox]{opacity:0;width:0;height:0;position:absolute}.toggle-track{border:1px solid var(--line);background:var(--line2);border-radius:8px;flex:none;align-items:center;width:30px;height:16px;transition:background .16s,border-color .16s;display:flex;position:relative}.toggle-thumb{background:var(--tx-lo);border-radius:50%;width:12px;height:12px;transition:left .16s,background 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var(--sb-h)}.topbar{height:auto;min-height:var(--topbar);flex-wrap:wrap;row-gap:6px;padding:6px 8px}.tb-group-label,.tb-divider{display:none}.tb-spacer{flex-basis:100%;height:0}.workspace{flex-direction:column}.viewport-wrap{flex:none;height:55vw;min-height:240px}.sidebar{border-left:0;border-top:1px solid var(--line);flex:auto;width:100%}.vp-hints{display:none}.axis-gizmo{bottom:10px;right:8px}}@media (width<=560px){.brand{width:100%}.seg-group{flex:auto}.seg-btn{flex:auto;padding-inline:7px}.sb-right{display:none}}