.trace-header,.trace-main,.trace-footer{width:min(1400px,calc(100% - 80px));margin:auto}.trace-header{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.trace-header>a:last-child{font-size:13px;color:var(--muted)}.trace-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding:50px 0 32px}.trace-heading h1{font-size:clamp(38px,4.2vw,60px);line-height:1.04;letter-spacing:-.055em;margin:17px 0}.trace-heading p{font-size:15px}.heading-aside{display:flex;flex-direction:column;align-items:flex-end;gap:12px;padding-bottom:4px;font-size:12px;color:var(--muted)}.status-chip{border:1px solid var(--line);padding:7px 12px;border-radius:30px;display:inline-block;font-size:11px;color:var(--ink);white-space:nowrap}.status-chip:before{content:'●';color:#568160;font-size:9px;margin-right:7px}.status-chip[data-status=failed]:before{color:var(--accent)}.build-workspace{display:grid;grid-template-columns:300px minmax(0,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}.steps-panel{border-right:1px solid var(--line);display:flex;flex-direction:column}.panel-heading{height:58px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-heading h2{font-size:14px;letter-spacing:-.015em}.panel-heading>span{font:11px Consolas,monospace;color:var(--muted)}.step-list{list-style:none;padding:10px;margin:0;flex:1}.step-list li{margin:0}.step-button{display:flex;align-items:center;gap:12px;padding:13px 12px;text-align:left;border:1px solid transparent;border-radius:5px;background:transparent;color:var(--muted);width:100%;min-height:48px;font-size:12px;line-height:1.35}.step-button:disabled{opacity:.6;cursor:default}.step-number{width:22px;flex-shrink:0;font:11px Consolas,monospace;color:var(--muted)}.step-button[aria-current=step]{background:var(--accent-soft);color:var(--ink);border-color:color-mix(in srgb,var(--accent) 22%,transparent)}.step-button[aria-current=step] .step-number{color:var(--accent)}.step-button:hover:not(:disabled){background:var(--soft)}.step-label{flex:1}.step-check{font-size:11px;color:#65816b}.step-check.failed{color:var(--accent)}.recording-note{border-top:1px solid var(--line);padding:17px 23px;display:flex;gap:10px;align-items:center}.recording-dot{width:6px;height:6px;background:#6d8974;border-radius:50%}.recording-note p{font-size:10px;line-height:1.6;margin:0}.scene-panel{min-width:0}.scene-toolbar{height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;border-bottom:1px solid var(--line)}.view-tabs,.scene-tools{display:flex;gap:5px}.scene-toolbar button{border:0;background:none;color:var(--muted);padding:7px 10px;border-radius:4px;font-size:11px;white-space:nowrap}.scene-toolbar button[aria-pressed=true]{color:var(--ink);background:var(--soft)}.scene-stage{height:475px;background:#eff1eb;position:relative;overflow:hidden}#viewer{position:absolute;inset:0}#viewer canvas{width:100%;height:100%;display:block;touch-action:none}#reference,#render-fallback{position:absolute;width:100%;height:100%;object-fit:contain;background:#fff}#render-fallback{background:#eff1eb}.viewer-status{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#ffffffee;color:#42483e;padding:12px 18px;border-radius:5px;font-size:12px;max-width:85%;text-align:center}.scene-caption{position:absolute;left:22px;bottom:18px;right:22px;display:flex;justify-content:space-between;gap:10px;pointer-events:none;font:10px/1.5 Consolas,monospace;color:#626b5f}.scene-caption>span:first-child{color:#3b4637}.north-marker{position:absolute;right:22px;top:22px;color:#838c7d;font:11px/1.5 Consolas,monospace;text-align:center}.playback{height:65px;display:flex;align-items:center;gap:12px;padding:0 20px;border-top:1px solid var(--line)}.playback button{background:none;border:0;color:var(--ink);font-size:12px;white-space:nowrap;padding:8px 0}.playback .play-button{font-size:11px;font-weight:600;min-width:99px;text-align:left;color:var(--accent)}.playback button:disabled{opacity:.35;cursor:default}.playback input{min-width:30px;width:100%;accent-color:var(--accent);height:3px;cursor:pointer}.playback output{white-space:nowrap;font:10px Consolas,monospace;color:var(--muted)}.playback select{background:var(--surface);border:1px solid var(--line);color:var(--ink);font-size:10px;border-radius:4px;padding:4px}.step-detail{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;padding:38px 0;border-bottom:1px solid var(--line)}.step-detail h2,.build-notes h2,.codex-heading h2{font-size:29px;line-height:1.14;letter-spacing:-.04em;margin:12px 0}.step-detail p{font-size:13px;line-height:1.7;max-width:49ch}.step-facts{display:flex;gap:20px;font:11px Consolas,monospace;color:var(--muted);margin-top:20px}.execution-detail{min-width:0;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:19px 22px}.execution-heading{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:12px}.execution-detail>code{font:13px Consolas,monospace;color:var(--ink)}.execution-detail p{font-size:12px;margin:10px 0 16px;max-width:none}.trace-main details{font-size:12px;line-height:1.7}.trace-main summary{cursor:pointer;color:var(--ink);padding:8px 0}.trace-main details a{display:inline-block;margin-top:10px;color:var(--accent)}.trace-main pre{max-height:330px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.7 Consolas,monospace;padding:15px;background:var(--surface);border:1px solid var(--line);border-radius:4px}.build-notes{padding:40px 0;display:grid;grid-template-columns:1fr 1.2fr;gap:70px;border-bottom:1px solid var(--line)}.build-notes p{font-size:13px;line-height:1.75;max-width:50ch}.build-notes details{margin-top:18px}.build-notes ul{padding-left:17px;color:var(--muted)}.build-notes li+li{margin-top:6px}.download-panel{padding:0 22px}.download-panel h3{font-size:24px;letter-spacing:-.03em;margin:0 0 12px}.download-links{display:flex;gap:22px;align-items:center;margin:22px 0 18px;flex-wrap:wrap}.download-links .button{font-size:12px;gap:10px;padding:12px 18px}.secondary-download,.trace-download{font-size:12px;color:var(--accent)}a[aria-disabled=true]{opacity:.4;pointer-events:none}.build-notes .provenance{font-size:10px;max-width:66ch;color:var(--muted);margin-top:18px}.codex-section{padding:40px 0 45px}.codex-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.codex-heading p{font-size:13px}.import-button{position:relative;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);border-radius:5px;font-size:12px;padding:12px 17px;cursor:pointer;white-space:nowrap}.import-button:focus-within{outline:2px solid var(--accent);outline-offset:3px}.codex-section #log-state{font-size:11px;border-block:1px solid var(--line);padding:16px 0;margin:24px 0 12px}.log-row{border-bottom:1px solid var(--line);padding:9px 0}.log-row summary{display:flex;align-items:center;gap:14px;min-width:0}.log-row .log-kind{font:10px Consolas,monospace;width:85px;flex-shrink:0;color:var(--muted)}.log-row .log-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.log-row .log-status{font-size:10px;color:var(--muted)}.log-row[data-status=failed] .log-status{color:var(--accent)}.log-row h4{font-size:11px;margin:12px 0}.log-row pre{margin:6px 0}.connect-help{margin-top:20px;color:var(--muted)}.connect-help p{font-size:12px;max-width:85ch;margin:10px 0}.trace-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:24px 0 35px;font-size:11px;color:var(--muted)}.notice{font-size:13px;border:1px solid var(--line);padding:15px;margin-bottom:20px;background:var(--accent-soft)}.trace-main [hidden]{display:none!important}.trace-main button:focus-visible,.trace-main a:focus-visible,.trace-main summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.step-list{max-height:475px;overflow-y:auto;scrollbar-width:thin}.scene-stage{background:#f6f4ef}#style-reference{position:absolute;width:100%;height:100%;object-fit:contain;background:#fff}
@media(min-width:1500px){.scene-stage{height:520px}.step-list{max-height:520px}.step-button{padding-block:15px}}
@media(max-width:1050px){.trace-header,.trace-main,.trace-footer{width:calc(100% - 40px)}.build-workspace{grid-template-columns:250px minmax(0,1fr)}.scene-toolbar{padding:0 12px}.scene-toolbar button{padding:6px;font-size:10px}.scene-stage{height:475px}.step-button{font-size:11px;padding:13px 8px;gap:8px}.playback{gap:8px;padding:0 12px}.step-detail,.build-notes{gap:30px}.scene-caption #scene-hint{display:none}}
@media(max-width:740px){.trace-header{height:70px}.trace-header .brand{font-size:21px}.trace-heading{padding:30px 0 25px;display:block}.trace-heading h1{font-size:43px}.trace-heading p{font-size:13px}.heading-aside{align-items:center;flex-direction:row;margin-top:22px;font-size:10px;gap:12px}.build-workspace{display:flex;flex-direction:column}.scene-panel{order:0}.steps-panel{order:1;border-right:0;border-top:1px solid var(--line)}.scene-stage{height:340px}.scene-toolbar{height:50px;gap:4px}.scene-tools{gap:0}.scene-toolbar button{font-size:10px}.scene-caption{left:14px;right:14px;bottom:14px}.north-marker{right:14px;top:15px}.playback{height:58px;gap:10px}.playback .play-button{min-width:93px;font-size:10px}.playback select{display:none}.panel-heading{height:45px;padding:0 17px}.step-list{display:grid;grid-template-columns:1fr 1fr;padding:8px}.step-button{padding:10px 8px;min-height:53px;font-size:10px;gap:5px;align-items:flex-start}.step-number{width:19px;font-size:10px}.step-check{display:none}.recording-note{display:none}.step-detail,.build-notes{grid-template-columns:1fr;gap:25px;padding:28px 0}.step-detail h2,.build-notes h2,.codex-heading h2{font-size:27px}.step-detail p{max-width:none}.execution-detail{padding:17px}.download-panel{padding:0}.codex-heading{display:block}.codex-heading .import-button{margin-top:20px}.codex-section{padding-top:28px}.trace-footer{gap:18px;font-size:10px}.log-row .log-kind{width:63px;font-size:9px}.log-row summary{gap:7px;font-size:11px}}
/* Material-detail viewing area. */
.camera-bar,.render-view-bar{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 18px;background:var(--surface);border-bottom:1px solid var(--line)}.camera-bar>div{display:flex;align-items:center;gap:12px}.camera-bar button,.render-view-bar button{border:1px solid var(--line);background:transparent;border-radius:4px;padding:6px 10px;font-size:11px;color:var(--muted)}.camera-bar button[aria-pressed=true],.render-view-bar button[aria-pressed=true]{background:var(--accent-soft);color:var(--ink);border-color:var(--accent)}#quality-state{font-size:10px;color:var(--muted)}.camera-bar select{border:1px solid var(--line);border-radius:4px;padding:6px;background:var(--surface);color:var(--ink);font-size:11px}.render-view-bar{justify-content:flex-start}#presentation-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#eeede9}.render-download{position:absolute;top:16px;left:18px;background:#ffffffee;border:1px solid #d5d1c8;color:#343b32;font-size:11px;padding:9px 12px;border-radius:4px;z-index:2}.scene-toolbar{height:auto;min-height:58px;flex-wrap:wrap;padding-block:9px;gap:6px}.scene-tools{margin-left:auto}
@media(max-width:740px){.camera-bar{flex-wrap:wrap;padding:8px 12px;gap:6px}.camera-bar>div{gap:8px}#quality-state{font-size:9px}.camera-bar select{font-size:10px}.view-tabs{gap:0}.scene-toolbar button{padding:6px}.render-view-bar{flex-wrap:wrap;padding:7px 12px}.render-view-bar button{font-size:10px}.render-download{font-size:10px;left:12px;top:12px}}
@media(min-width:1051px){.scene-stage{height:570px}.step-list{max-height:570px}}
.stage-operations{padding-left:18px;margin:18px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.stage-operations li+li{margin-top:3px}.panel-heading h2{font-size:14px}.panel-heading>span{white-space:nowrap}
@media(max-width:740px){.scene-toolbar{height:auto;min-height:72px;flex-wrap:wrap;padding:8px 12px;gap:2px}.view-tabs{width:100%}.scene-tools{margin-left:auto}.step-list{max-height:330px}.scene-stage{height:350px}}

.model-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:.65;pointer-events:none}.model-launch{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px}.model-launch button{background:var(--accent,#b64420);color:#fff;border:1px solid var(--accent,#b64420);border-radius:6px;padding:14px 26px;font-size:16px;cursor:pointer;box-shadow:0 4px 20px #0002}.model-launch p{margin:0;padding:6px 10px;background:var(--surface,#fff);border-radius:4px;font-size:12px}.model-launch button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}.camera-bar{justify-content:flex-end}.viewer-status{z-index:3}