:root{--bg0: #0c1016;--bg1: #151b24;--ink: #e8eef6;--muted: #8b96a8;--accent: #f0b429;--accent-ink: #1a1400;--line: rgba(255, 255, 255, .12);--font-ui: "IBM Plex Sans", "Segoe UI", sans-serif;--font-display: "IBM Plex Sans", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden;background:radial-gradient(1200px 700px at 70% 10%,#1a2433 0%,transparent 55%),radial-gradient(900px 600px at 15% 80%,#18202c 0%,transparent 50%),linear-gradient(160deg,var(--bg0),var(--bg1));color:var(--ink);font-family:var(--font-ui)}#c{display:block;width:100%;height:100%}#topbar{position:fixed;z-index:10;inset:0 0 auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;padding:14px 18px;pointer-events:none;background:linear-gradient(180deg,rgba(8,12,18,.75),transparent)}.brand{display:flex;align-items:center;gap:10px;pointer-events:auto}.brand 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var(--font-ui);text-decoration:none}.download-link[hidden]{display:none}.download-link:hover{filter:brightness(1.05)}.record-tip{color:var(--muted);font-size:10px;white-space:nowrap}@media(max-width:640px){.record-bar{left:14px;right:14px;transform:none;top:auto;bottom:14px}.record-tip{white-space:normal}}.panel-header{cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}.panel-header:active,body.is-dragging-panel .panel-header{cursor:grabbing}aside.is-panel-dragged,.assemblies-panel.is-panel-dragged,.selection-panel.is-panel-dragged{right:auto;bottom:auto}aside.is-panel-dragging,.assemblies-panel.is-panel-dragging,.selection-panel.is-panel-dragging{z-index:40}@media(max-width:720px){body.mobile-chrome .panel-header{cursor:default;touch-action:auto}}@media(max-width:640px){#status{margin-left:0;flex-basis:100%}}.nav-link{display:inline-flex;align-items:center;padding:8px 12px;border:1px solid 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var(--font-ui);cursor:pointer}.angle-presets button:hover:not(:disabled){border-color:#f0b4298c}.angle-presets button:disabled{opacity:.45;cursor:default}.slider-row{display:grid;grid-template-columns:48px 1fr 52px;gap:8px;align-items:center;margin-bottom:10px;color:var(--muted);font-size:11px}.slider-row input[type=range]{width:100%;accent-color:var(--accent)}#angle-readout{font-variant-numeric:tabular-nums;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;color:var(--ink);text-align:right}.load-row{display:flex;gap:8px;align-items:flex-start;margin-bottom:12px;color:var(--muted);font-size:11px;cursor:pointer}.load-row input{margin-top:2px;accent-color:var(--accent)}.sg90-hud{display:grid;gap:6px}.sg90-hud>div{display:grid;grid-template-columns:72px 1fr;gap:8px;align-items:baseline}.sg90-hud dt{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.03em}.sg90-hud dd{margin:0;font-variant-numeric:tabular-nums;font-family:ui-monospace,SF 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56px))!important;bottom:auto!important;transform:none!important}#camera-hud.viewcube-dock:has(.cam-advanced[open]){width:min(220px,calc(100vw - 24px))}#camera-hud[hidden]{display:none}#camera-hud .viewcube-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}#camera-hud .viewcube-stage{position:relative;width:128px;height:128px;perspective:640px;display:grid;place-items:center;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}#camera-hud .viewcube-stage.is-orbiting{cursor:grabbing}#camera-hud .vc-home{position:absolute;top:2px;left:2px;z-index:2;width:26px;height:26px;margin:0;padding:0;border-radius:7px;border:1px solid rgba(140,170,190,.4);background:#161e28e6;color:#d7e6f0;font-size:14px;line-height:1;cursor:pointer}#camera-hud .vc-home:hover{border-color:#82c8e6bf;background:#283e4efa}#camera-hud .viewcube{position:relative;width:72px;height:72px;transform-style:preserve-3d;transition:transform .14s ease-out}#camera-hud .viewcube.is-dragging{transition:none}#camera-hud .vc-face{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;margin:0;padding:0;border:1px solid rgba(160,190,210,.55);background:linear-gradient(145deg,#3a4a5cfa,#1e2a38fa);color:#eef6fc;font:700 9px/1 var(--font-ui);letter-spacing:.05em;cursor:inherit;-webkit-user-select:none;user-select:none;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:inset 0 0 0 1px #ffffff0a}#camera-hud .vc-face:hover{background:linear-gradient(145deg,#5280a0fa,#2a4a62fa);border-color:#96dcfad9}#camera-hud .vc-front{transform:translateZ(36px)}#camera-hud .vc-back{transform:rotateY(180deg) translateZ(36px)}#camera-hud .vc-right{transform:rotateY(90deg) translateZ(36px)}#camera-hud .vc-left{transform:rotateY(-90deg) translateZ(36px)}#camera-hud .vc-top{transform:rotateX(90deg) translateZ(36px);background:linear-gradient(145deg,#486c56fa,#243a2efa)}#camera-hud .vc-bottom{transform:rotateX(-90deg) translateZ(36px)}#camera-hud .viewcube-rotate{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;width:100%}#camera-hud .viewcube-rotate button{margin:0;padding:5px 1px;border-radius:6px;border:1px solid rgba(120,150,170,.32);background:#141c26e0;color:var(--ink);font:600 9px/1 var(--font-ui);cursor:pointer}#camera-hud .viewcube-rotate button:hover{border-color:#78b4d2b3;background:#283a4afa}#camera-hud .vc-focus{width:100%;margin:0;padding:6px 8px;border-radius:7px;border:1px solid rgba(120,150,170,.35);background:#1c2834eb;color:var(--ink);font:600 11px/1 var(--font-ui);cursor:pointer}#camera-hud .vc-focus:hover{border-color:#78b4d2b3;background:#2a3e50fa}#camera-hud .cam-advanced{margin-top:6px;border-top:1px solid rgba(70,90,110,.35);padding-top:2px}#camera-hud .cam-advanced>summary{cursor:pointer;list-style:none;padding:5px 2px;color:var(--muted);font-size:10px;letter-spacing:.03em;text-transform:uppercase;-webkit-user-select:none;user-select:none}#camera-hud .cam-advanced>summary::-webkit-details-marker{display:none}#camera-hud .cam-advanced[open]>summary{color:var(--ink);margin-bottom:6px}#camera-hud .cam-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 8px;margin-bottom:8px}#camera-hud .cam-grid label{display:flex;flex-direction:column;gap:2px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.03em}#camera-hud .cam-grid input{width:100%;padding:4px 6px;border-radius:6px;border:1px solid var(--line);background:#00000059;color:var(--ink);font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px}#camera-hud .cam-actions{display:flex;gap:8px;margin-bottom:8px}#camera-hud .cam-actions button{flex:1;pointer-events:auto;font:inherit;font-size:12px;padding:7px 8px;border-radius:6px;border:1px solid var(--line);background:#1e2834f2;color:var(--ink);cursor:pointer}#camera-hud .cam-actions button:hover{border-color:#78aac8a6}#camera-hud .cam-live{display:grid;gap:4px}#camera-hud .cam-live>div{display:grid;grid-template-columns:88px 1fr;gap:6px}#camera-hud .cam-live dt{color:var(--muted);font-size:10px;text-transform:uppercase}#camera-hud .cam-live dd{margin:0;font-variant-numeric:tabular-nums;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px}#camera-hud .pose-hint{margin-top:8px;color:var(--muted);font-size:10px}#camera-hud .pose-hint code{color:var(--accent, #f0b429);font-size:10px}.selection-panel{position:fixed;z-index:10;right:14px;bottom:14px;width:min(340px,calc(100vw - 28px));max-height:min(94vh,960px);overflow-y:auto;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#0c1016e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto;font-size:12px}.pose-data-panel{margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}.pose-data-panel[hidden]{display:none}.pose-data-panel>header{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px}.pose-data-panel>header strong{font-size:13px;letter-spacing:.04em;text-transform:uppercase}.pose-data-panel.is-pose-active,.pose-data-panel:not([hidden]){outline:1px solid rgba(120,180,210,.35);outline-offset:2px;border-radius:8px;padding:10px 8px 8px;margin-top:10px;background:#101c248c}.pose-data-meta{display:grid;gap:4px;margin:0 0 8px}.pose-data-meta>div{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:baseline}.pose-data-meta dt{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.03em}.pose-data-meta dd{margin:0;font-variant-numeric:tabular-nums;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px;color:var(--ink);word-break:break-all}.pose-data-fields{margin:0 0 8px;padding:8px 8px 6px;border:1px solid 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.sel-group.is-alone{border-color:#50647859;background:#141c248c;color:var(--muted)}.selection-panel .sel-group-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:6px}.selection-panel .sel-group-head strong{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:#b7d4c4}.selection-panel .sel-group-meta{font-size:10px;color:var(--muted)}.selection-panel .sel-group-links{display:flex;flex-wrap:wrap;gap:4px}.selection-panel .sel-group-empty{color:var(--muted);font-size:11px}.selection-panel .sel-group-hint{margin:6px 0 0;color:var(--muted);font-size:10px;line-height:1.35}.weld-chip{display:inline-flex;align-items:stretch;max-width:100%;border-radius:6px;border:1px solid rgba(90,150,120,.45);background:#12201ce6;overflow:hidden}.weld-chip-pick{border:0;background:transparent;color:#d5eee0;font:inherit;font-size:11px;padding:4px 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.sel-hint[hidden]{display:none}.selection-panel .sel-attach{display:flex;gap:8px;margin-top:10px}.selection-panel .pointer-mode{display:flex;gap:6px;margin:0 0 10px}.selection-panel .pointer-mode button{flex:1;font:inherit;font-size:11px;letter-spacing:.03em;text-transform:uppercase;padding:6px 8px;border-radius:6px;border:1px solid var(--line);background:#1e2834f2;color:var(--ink);cursor:pointer}.selection-panel .pointer-mode button[aria-pressed=true]{border-color:#78aac8b3;background:#304e66f2}.selection-panel .place-nudge{display:grid;grid-template-columns:auto repeat(6,minmax(0,1fr));gap:4px;align-items:center;margin-top:10px}.selection-panel .place-nudge-label{color:var(--muted);font-size:10px;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}.selection-panel .place-nudge button{font:inherit;font-size:10px;font-weight:600;padding:5px 2px;border-radius:5px;border:1px solid var(--line);background:#1e2834f2;color:var(--ink);cursor:pointer}.selection-panel .place-nudge 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