.assembly-showcase{--ca-line:#36597766;background:#060e18;color:#dcebf8;border-block:1px solid var(--ca-line);scroll-margin-top:0;isolation:isolate}.ca-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;padding:29px clamp(22px,4vw,64px) 26px}.ca-heading>div>p,.ca-eyebrow{font:9px/1.7 monospace;letter-spacing:1.5px;color:#86b4d4;margin:0 0 12px}.ca-heading h2{font-size:clamp(28px,3.1vw,45px);font-weight:400;line-height:1.15;letter-spacing:-1.2px;margin:0}.ca-heading>p{max-width:380px;font-size:11px;line-height:1.85;color:#839eb7;margin:0}
.ca-stage{position:relative;height:clamp(420px,calc(100svh - 240px),690px);background:#07111b;isolation:isolate;overflow:hidden;border-block:1px solid var(--ca-line);scroll-margin-top:0}.ca-poster,.ca-canvas-mount{position:absolute;inset:0;width:100%;height:100%;display:block}.ca-poster{object-fit:contain}.ca-poster[hidden]{display:none}.ca-canvas-mount{inset:25px 0 65px;height:calc(100% - 90px)}.ca-canvas-mount canvas{display:block;width:100%;height:100%;outline-offset:-4px}.ca-topline{position:absolute;left:clamp(22px,4vw,64px);right:clamp(22px,4vw,64px);top:18px;display:flex;align-items:start;justify-content:space-between;gap:30px;pointer-events:none;z-index:2}.ca-topline>span:first-child{font:7px/1.6 monospace;letter-spacing:.8px;color:#6f9ab9}.ca-topline>span:first-child>span{display:block;font:8px/1.7 sans-serif;letter-spacing:.4px}.ca-topline>span:last-child{font:8px/1.7 monospace;letter-spacing:.7px;color:#7898b3;text-align:right}.ca-scan-label{position:absolute;top:60px;left:clamp(22px,4vw,64px);font:8px/1.7 monospace;letter-spacing:.6px;color:#9accef;background:#0d253bcc;border:1px solid #497b9f55;padding:7px 11px;pointer-events:none}.ca-scan-label[hidden]{display:none}.ca-stage-bottom{position:absolute;left:clamp(22px,4vw,64px);right:clamp(22px,4vw,64px);bottom:18px;display:flex;justify-content:space-between;align-items:end;gap:30px;pointer-events:none}.ca-stage-bottom>div>span{font:8px/1.6 monospace;color:#6e99bc;letter-spacing:1px;display:block;margin-bottom:5px}.ca-stage-bottom h3{font-size:23px;line-height:1.25;font-weight:400;margin:0;letter-spacing:-.6px}.ca-stage-bottom>p{font-size:10px;line-height:1.85;color:#829fb7;max-width:470px;margin:0}.ca-load{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#0a2035e8;border:1px solid #729aba;border-radius:0;padding:12px 20px;font-size:12px;color:#d5eaff}.ca-load[hidden]{display:none}.ca-part-marker{position:absolute;z-index:3;transform:translate(-50%,-100%);pointer-events:none;display:flex;align-items:center;gap:7px}.ca-part-marker[hidden]{display:none}.ca-part-marker>span:first-child{width:7px;height:7px;border:1px solid #b6dcf8;border-radius:50%;box-shadow:0 0 0 5px #18415a44}.ca-part-marker>span:last-child{background:#071a2ade;border:1px solid #78a9cb66;color:#c1e0f6;padding:5px 8px;font-size:9px;max-width:210px;line-height:1.5}
.ca-control-bar{display:flex;align-items:stretch;justify-content:space-between;gap:20px;padding:0 clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#0a1726}.ca-phases{display:flex;align-items:stretch;min-width:0}.ca-phases>button{border:0;border-right:1px solid var(--ca-line);border-radius:0;background:none;color:#7797b0;font-size:10px;line-height:1.5;padding:16px 20px;display:flex;align-items:center;gap:11px;white-space:nowrap}.ca-phases>button:first-child{padding-left:0}.ca-phases>button>span{font:8px monospace;color:#486e8c}.ca-phases>button[aria-current=step]{color:#ecf6ff;box-shadow:inset 0 -2px #8fc9f4}.ca-phases>button[aria-current=step]>span{color:#acd8f7}.ca-phases>button:disabled{opacity:.55}.ca-playback{display:flex;align-items:center;gap:19px;flex:none}.ca-playback>button{font-size:10px;line-height:1.6;color:#99bcd7;background:none;border:0;border-radius:0;padding:8px 0;white-space:nowrap}.ca-playback>button>span{margin-left:6px}.ca-playback>button:disabled{opacity:.35}.ca-model-note{display:flex;align-items:start;gap:35px;justify-content:space-between;padding:15px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line)}.ca-model-note>p{font-size:9px;line-height:1.9;color:#6f8da5;margin:0;max-width:870px}.ca-model-note>span{font:7px/1.8 monospace;letter-spacing:.5px;color:#527993;flex:none}
.ca-workbench{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.4fr);gap:48px;padding:34px clamp(22px,4vw,64px) 40px}.ca-controls>label{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#b0cde2;margin:3px 0 18px}.ca-controls output{font:11px monospace;color:#85b9df}.ca-controls input[type=range]{width:100%;height:4px;accent-color:#80b7e0;margin:0 0 28px;cursor:pointer}.ca-select-grid{display:grid;grid-template-columns:1fr;gap:20px}.ca-select-grid label{display:block;font-size:10px;color:#7499b4;margin:0 0 9px}.ca-select-grid select{width:100%;border:1px solid #41617e;border-radius:0;background:#0b1c2b;color:#bad4e8;padding:11px 32px 11px 12px;font-size:12px;line-height:1.5}.ca-toggles{display:flex;flex-direction:column;gap:11px;margin:21px 0}.ca-toggles>label{display:flex;align-items:center;gap:8px;font-size:10px;color:#95b2c8}.ca-toggles input{width:14px;height:14px;margin:0;accent-color:#7cb4dc}.ca-view-actions{display:flex;align-items:center;gap:9px}.ca-view-actions button{border:1px solid #406582;background:#0b2134;color:#b8daf2;border-radius:0;font-size:13px;padding:8px 12px;min-height:36px}.ca-view-actions button[data-ca-focus]{font-size:10px;margin-left:5px}.ca-view-actions button[data-ca-focus]>span{margin-left:9px}.ca-control-hint{font-size:9px;line-height:1.9;color:#66859f;margin:15px 0 0;max-width:400px}.ca-part-panel{border-left:1px solid var(--ca-line);padding-left:37px;min-width:0}.ca-eyebrow{font-size:8px;letter-spacing:.7px;margin-bottom:13px}.ca-part-panel h3{font-size:25px;line-height:1.35;font-weight:400;letter-spacing:-.5px;margin:0 0 20px}.ca-part-identity{border:1px solid #46698466;background:#0b1a29;padding:11px 14px;display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:20px}.ca-part-identity[hidden]{display:none}.ca-part-identity strong{font-size:12px;font-weight:400;color:#c5dced}.ca-part-identity code{font:9px/1.8 monospace;color:#6698bb;overflow-wrap:anywhere}.ca-part-panel dl{margin:0}.ca-part-panel dl>div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:19px;padding:14px 0;border-top:1px solid var(--ca-line)}.ca-part-panel dt{font-size:10px;color:#6c91ad;line-height:1.8}.ca-part-panel dd{font-size:11px;color:#a6bfd3;line-height:1.85;margin:0}.ca-decisions{display:flex;flex-wrap:wrap;gap:9px;margin-top:17px}.ca-decisions button{border:1px solid #42637e;border-radius:0;background:#0b1c2c;color:#9fc3dd;font-size:10px;line-height:1.8;padding:9px 12px}.ca-decisions button[aria-pressed=true]{border-color:#9fc7e2;background:#173952;color:#ebf6ff}.ca-handoff{border-left:1px solid #7daccc;margin:19px 0 0;padding:0 0 0 13px}.ca-handoff>span{font-size:10px;line-height:1.8;color:#b4d0e4}.ca-handoff>p{font-size:10px;line-height:1.9;color:#7597b2;margin:7px 0 0}.ca-draft-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:20px}.ca-draft-actions button,.ca-draft-actions a{font-size:10px;line-height:1.8;border:0;border-bottom:1px solid #3e688b;background:none;border-radius:0;color:#add4f0;padding:6px 0}.ca-draft-actions span{margin-left:9px}.ca-local-status{font-size:9px;line-height:1.9;color:#6989a3;margin:13px 0 0}.ca-nojs{font-size:12px;color:#8aa6bb;padding:0 clamp(22px,4vw,64px) 30px}.assembly-showcase button:disabled,.assembly-showcase select:disabled,.assembly-showcase input:disabled{opacity:.4;cursor:default}.assembly-showcase button:focus-visible,.assembly-showcase a:focus-visible,.assembly-showcase input:focus-visible,.assembly-showcase select:focus-visible{outline:2px solid #a1d1f4;outline-offset:4px}
@media(max-width:1190px){.ca-heading>p{max-width:310px}.ca-control-bar{display:block}.ca-playback{border-top:1px solid var(--ca-line);justify-content:flex-end;gap:25px;padding:4px 0}.ca-phases>button{flex:1;justify-content:center}.ca-phases>button:first-child{padding-left:20px}.ca-phases>button:last-child{border-right:0}.ca-stage-bottom>p{max-width:370px}.ca-workbench{gap:32px;grid-template-columns:minmax(240px,.8fr) minmax(0,1.3fr)}.ca-part-panel{padding-left:27px}.ca-part-panel dl>div{grid-template-columns:115px minmax(0,1fr)}}
@media(max-width:860px){.ca-heading{display:block;padding-top:26px;padding-bottom:24px}.ca-heading h2{font-size:34px}.ca-heading>p{margin-top:13px;max-width:640px;font-size:11px}.ca-stage{height:490px}.ca-canvas-mount{inset:40px 0 100px;height:calc(100% - 140px)}.ca-stage-bottom{display:block;bottom:18px}.ca-stage-bottom h3{font-size:22px}.ca-stage-bottom>p{margin-top:8px;max-width:650px;font-size:10px}.ca-topline{gap:20px}.ca-topline>span:last-child{font-size:7px}.ca-model-note{display:block}.ca-model-note>span{display:block;margin-top:8px}.ca-workbench{grid-template-columns:1fr;gap:29px;padding-top:28px}.ca-select-grid{grid-template-columns:1fr 1fr;gap:20px}.ca-toggles{flex-direction:row;flex-wrap:wrap;gap:20px}.ca-control-hint{max-width:700px}.ca-part-panel{border-left:0;border-top:1px solid var(--ca-line);padding:25px 0 0}.ca-part-panel dl>div{grid-template-columns:155px minmax(0,1fr)}.ca-part-panel h3{font-size:26px}.ca-heading>div>p{font-size:8px}.ca-topline>span:first-child{font-size:6px}}
@media(max-width:640px){.ca-heading{padding:24px 22px}.ca-heading h2{font-size:30px;line-height:1.25;letter-spacing:-.7px}.ca-heading>p{font-size:10px;line-height:1.9;margin-top:12px}.ca-stage{height:430px}.ca-canvas-mount{inset:45px 0 100px;height:calc(100% - 145px)}.ca-topline{left:20px;right:20px;top:14px;gap:13px}.ca-topline>span:first-child{font-size:5px;letter-spacing:.3px;max-width:220px}.ca-topline>span:first-child>span{font-size:7px;letter-spacing:0}.ca-topline>span:last-child{font-size:6px;letter-spacing:.2px;max-width:110px}.ca-stage-bottom{left:22px;right:22px;bottom:18px}.ca-stage-bottom>div>span{font-size:7px;margin-bottom:5px}.ca-stage-bottom h3{font-size:22px;line-height:1.35}.ca-stage-bottom>p{font-size:9px;line-height:1.85;margin-top:7px;max-width:450px}.ca-scan-label{left:20px;top:62px;font-size:6px;letter-spacing:.2px;padding:5px 7px;max-width:calc(100% - 40px)}.ca-part-marker>span:last-child{font-size:8px;padding:4px 6px;max-width:140px}.ca-control-bar{padding:0 22px}.ca-phases>button{flex-direction:column;align-items:start;justify-content:start;gap:8px;font-size:9px;line-height:1.6;padding:12px 8px;white-space:normal}.ca-phases>button:first-child{padding-left:0}.ca-phases>button>span{font-size:7px}.ca-playback{justify-content:space-between;gap:15px;padding:7px 0}.ca-playback>button{font-size:10px}.ca-model-note{padding:13px 22px}.ca-model-note>p{font-size:8px;line-height:1.95}.ca-model-note>span{font-size:6px}.ca-workbench{padding:25px 22px 30px}.ca-controls>label{font-size:11px}.ca-select-grid{grid-template-columns:1fr;gap:17px}.ca-select-grid select{font-size:12px;min-height:42px}.ca-toggles{flex-direction:column;gap:13px}.ca-toggles>label{font-size:11px}.ca-view-actions button{min-height:39px}.ca-view-actions button[data-ca-focus]{font-size:11px}.ca-part-panel h3{font-size:24px;line-height:1.5}.ca-eyebrow{font-size:7px;line-height:1.9;letter-spacing:.5px}.ca-part-panel dl>div{display:block;padding:14px 0}.ca-part-panel dt{font-size:9px;margin-bottom:7px}.ca-part-panel dd{font-size:12px;line-height:1.9}.ca-part-identity{display:block}.ca-part-identity code{display:block;font-size:9px;margin-top:6px}.ca-decisions{display:grid;grid-template-columns:1fr}.ca-decisions button{font-size:11px;padding:11px 12px;text-align:left}.ca-handoff>span{font-size:11px}.ca-handoff>p{font-size:11px}.ca-draft-actions{gap:18px}.ca-draft-actions button,.ca-draft-actions a{font-size:10px}.ca-local-status{font-size:9px}html[lang=zh-CN] .ca-heading h2{font-size:30px;letter-spacing:0;line-height:1.4}.ca-load{font-size:11px;white-space:nowrap}}

.ca-separation{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:35px;padding:18px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#081624}.ca-separation>label{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:11px;color:#b2ccdf}.ca-separation output{font:11px monospace;color:#82b5dc}.ca-separation input[type=range]{width:100%;height:4px;margin:0;accent-color:#83bae2;cursor:pointer}@media(max-width:640px){.ca-separation{grid-template-columns:1fr;gap:13px;padding:14px 22px 17px}.ca-separation>label{font-size:10px}}
.ca-exploration-tools{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:12px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#081624}.ca-exploration-tools>p{font-size:10px;line-height:1.8;color:#8cafca;margin:0;max-width:680px}.ca-exploration-tools>div{display:flex;gap:10px;flex:none}.ca-exploration-tools button{font-size:10px;line-height:1.7;border:1px solid #42637e;border-radius:0;background:#0b1c2c;color:#a6c9e1;padding:8px 12px;white-space:nowrap}.ca-exploration-tools button>span{font:8px monospace;margin-left:8px;border:1px solid #416078;padding:2px 4px;color:#779ab5}.ca-exploration-tools button[aria-pressed=true],.ca-view-actions button[data-ca-local-toggle][aria-pressed=true]{border-color:#93c7eb;background:#173952;color:#e4f3ff}.ca-view-actions{flex-wrap:wrap}.ca-view-actions button[data-ca-local-toggle]{font-size:10px}.assembly-showcase[data-wheel-mode=true] .ca-canvas-mount{box-shadow:inset 0 0 0 1px #7cbcea55}.assembly-showcase[data-wheel-mode=true] .ca-separation>label{color:#d4edff}@media(max-width:860px){.ca-exploration-tools{align-items:start;flex-direction:column;gap:11px}.ca-exploration-tools>div{flex-wrap:wrap}.ca-exploration-tools>p{font-size:10px}}@media(max-width:640px){.ca-exploration-tools{padding:12px 22px 15px}.ca-exploration-tools button{min-height:40px;white-space:normal}.ca-exploration-tools>div{width:100%}.ca-exploration-tools button{flex:1}.ca-view-actions button[data-ca-local-toggle]{font-size:11px}}

.ca-review-history{margin:18px 0 0;border-top:1px solid var(--ca-line);padding-top:13px;color:#799db8;font-size:10px;line-height:1.8}.ca-review-history[hidden]{display:none}.ca-review-history summary{cursor:pointer;color:#a6c8df;font-size:10px}.ca-review-history>p{font-size:9px;line-height:1.8;margin:10px 0}.ca-review-history ol{list-style:none;margin:0;padding:0}.ca-review-history li{border-top:1px solid #28485f66;padding:11px 0}.ca-review-history li p{margin:0 0 5px;color:#a2bfd5}.ca-review-history li span{display:block;font-size:9px;overflow-wrap:anywhere}.ca-review-history code{display:block;color:#6489a6;font:8px/1.8 monospace;overflow-wrap:anywhere;margin-top:5px}.ca-review-history summary:focus-visible{outline:2px solid #a1d1f4;outline-offset:4px}

.ca-render-tools{display:flex;align-items:center;gap:20px;padding:10px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#081420}
.ca-render-tools button{flex:none;min-height:44px;padding:9px 15px;border:1px solid #42637e;border-radius:0;background:#0c2031;color:#bbd8eb;font-size:11px;line-height:1.6;cursor:pointer}
.ca-render-tools button[aria-pressed=true]{border-color:#86b9db;background:#133047;color:#e0f1ff}
.ca-render-tools [data-ca-quality-status]{max-width:730px;color:#91adc2;font-size:11px;line-height:1.8}
.ca-canvas-mount .ca-refined-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.ca-canvas-mount canvas[hidden]{display:none}
@media(max-width:640px){.ca-render-tools{align-items:flex-start;flex-direction:column;gap:7px;padding:11px 22px 14px}.ca-render-tools button{width:100%;text-align:left}.ca-render-tools [data-ca-quality-status]{font-size:11px}}

/* Keep the model status and its limitations readable at the actual viewing size. */
.ca-topline>span:first-child,.ca-topline>span:first-child>span,.ca-topline>span:last-child{font-size:10px;line-height:1.6;letter-spacing:.2px;color:#95b5cd}
.ca-topline>span:first-child{max-width:360px}
.ca-canvas-mount{inset:55px 0 80px;height:calc(100% - 135px)}
.ca-scan-label{top:70px;font-size:10px;line-height:1.6}
.ca-stage-bottom>p{font-size:11px;line-height:1.7}
.ca-model-note>p,.ca-control-hint,.ca-local-status{font-size:11px;line-height:1.8;color:#90aec5}
.ca-model-note>span{font-size:10px;color:#82a5bf}
.ca-phases>button,.ca-playback>button,.ca-exploration-tools button{font-size:11px;min-height:44px}
.ca-select-grid select,.ca-view-actions button{min-height:44px}
@media(max-width:860px){
  .ca-canvas-mount{inset:75px 0 115px;height:calc(100% - 190px)}
  .ca-topline{gap:18px}
  .ca-topline>span:last-child{max-width:150px}
  .ca-scan-label{top:80px}
}
@media(max-width:640px){
  .ca-stage{height:500px}
  .ca-canvas-mount{inset:88px 0 120px;height:calc(100% - 208px)}
  .ca-topline{display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:12px}
  .ca-topline>span:first-child,.ca-topline>span:last-child{max-width:none;font-size:10px}
  .ca-topline>span:first-child>span{font-size:11px;margin-top:3px}
  .ca-scan-label{top:88px;font-size:10px;max-width:calc(100% - 40px)}
  .ca-stage-bottom>p{font-size:11px}
  .ca-model-note>p,.ca-model-note>span,.ca-control-hint,.ca-local-status{font-size:11px}
  .ca-exploration-tools>p,.ca-separation>label{font-size:11px}
  .ca-phases>button{font-size:10px;line-height:1.6}
  .ca-part-marker>span:last-child{font-size:10px}
}

/* V7: material, topology and subassembly controls stay in the same model workflow. */
.ca-view-modes{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#0a1826}.ca-view-modes>span,.ca-featured-parts>span,.ca-detail-separation>div>span{font:10px/1.7 monospace;letter-spacing:.7px;color:#6e9abb}.ca-view-modes>span{margin-right:12px}.ca-view-modes button,.ca-featured-parts button,.ca-detail-separation button{min-height:44px;border:1px solid #42637e;border-radius:0;background:#0b1d2d;color:#accce3;padding:9px 13px;font-size:11px;line-height:1.6}.ca-view-modes button[aria-pressed=true]{border-color:#83bee8;background:#17354f;color:#ecf7ff}.ca-view-modes>p{font-size:10px;line-height:1.7;color:#8aa8c0;margin:0 0 0 auto;max-width:390px}.ca-detail-separation{display:grid;grid-template-columns:minmax(190px,.8fr) minmax(100px,1fr) 40px auto;align-items:center;gap:20px;padding:13px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#07131f}.ca-detail-separation>div>span{display:block;font-size:9px;margin-bottom:4px}.ca-detail-separation label{font-size:11px;line-height:1.7;color:#bad2e5;display:block}.ca-detail-separation input[type=range]{width:100%;height:44px;accent-color:#83bae2;margin:0;cursor:pointer}.ca-detail-separation output{font:11px monospace;color:#91bfdc}.ca-featured-parts{margin-bottom:24px}.ca-featured-parts>div{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.ca-controls>.ca-search-label{display:block;margin:0 0 9px;font-size:11px;color:#a3c2d9}.ca-controls>input[type=search]{display:block;width:100%;min-height:44px;border:1px solid #41617e;background:#0b1c2b;color:#d3e7f5;border-radius:0;padding:11px 12px;font-size:12px}.ca-controls>input[type=search]::placeholder{color:#6a8ba7}.ca-search-count{font-size:10px;line-height:1.7;color:#7299b6;margin:8px 0 21px}.ca-parent-note{font-size:11px;line-height:1.8;color:#85aac6;margin:-9px 0 20px}.ca-parent-note[hidden]{display:none}
@media(max-width:1100px){.ca-view-modes>p{width:100%;max-width:none;margin:2px 0 0}.ca-detail-separation{grid-template-columns:minmax(160px,.8fr) minmax(90px,1fr) 36px}.ca-detail-separation button{grid-column:1/-1;justify-self:start}}
@media(max-width:640px){.ca-view-modes{padding:12px 22px;gap:7px}.ca-view-modes>span{width:100%;margin:0}.ca-view-modes button{flex:1;font-size:10px;padding:8px 6px}.ca-view-modes>p{font-size:11px}.ca-detail-separation{padding:13px 22px;grid-template-columns:1fr 40px;gap:7px 12px}.ca-detail-separation>div{grid-column:1/-1}.ca-detail-separation button{width:100%;text-align:left}.ca-featured-parts button{flex:1}.ca-parent-note{font-size:11px}}

.ca-group-scope{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:11px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#102539;color:#9dc3df;font-size:11px;line-height:1.8}.ca-group-scope[hidden]{display:none}.ca-group-scope button{min-height:44px;flex:none;border:1px solid #527797;border-radius:0;background:#0a1c2c;color:#c1dff4;padding:8px 14px;font-size:11px}@media(max-width:640px){.ca-group-scope{align-items:flex-start;flex-direction:column;gap:8px;padding:12px 22px}.ca-group-scope button{width:100%;text-align:left}}

/* V8: immediate assembly access keeps the scene and its controls together. */
.ca-scene-assemblies{display:flex;align-items:center;gap:24px;margin:0;padding:12px clamp(22px,4vw,64px);border-bottom:1px solid var(--ca-line);background:#0a1826}.ca-scene-assemblies>span{flex:none}.ca-scene-assemblies>div{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:0;flex:1}.ca-scene-assemblies button{text-align:center;padding:9px 11px;white-space:normal}.ca-scene-assemblies button:not(:disabled):hover{background:#17354f;border-color:#83bee8;color:#ecf7ff}
@media(min-width:861px) and (max-height:800px){.ca-stage{height:clamp(420px,calc(100svh - 245px),560px)}.ca-stage-bottom h3{font-size:21px}.ca-stage-bottom>p{max-width:460px}}
@media(max-width:1100px){.ca-scene-assemblies{align-items:stretch;flex-direction:column;gap:9px}}
@media(max-width:640px){.ca-scene-assemblies{padding:12px 22px}.ca-scene-assemblies>div{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.ca-scene-assemblies button{font-size:11px;min-height:44px;padding:8px 5px}}
.ca-navigation{position:absolute;z-index:5;left:clamp(20px,4vw,64px);right:clamp(20px,4vw,64px);top:49px;display:flex;align-items:center;gap:8px;pointer-events:none}.ca-navigation button{pointer-events:auto;min-height:36px;padding:7px 12px;border:1px solid #65839b80;border-radius:3px;background:#081522ed;color:#d9e9f5;font-family:inherit;font-size:12px;line-height:1.4;cursor:pointer}.ca-navigation button:first-child{border-color:#8fc8ea;background:#163149}.ca-navigation button:disabled{opacity:.42;cursor:default}.ca-navigation button:focus-visible{outline:2px solid #b0e5ff;outline-offset:3px}.ca-navigation>span{margin-left:auto;font-size:10px;color:#bed5e6;max-width:32%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ca-navigation~.ca-scan-label{top:94px}.assembly-showcase .ca-canvas-mount{inset:93px 0 80px;height:calc(100% - 173px)}@media(max-width:640px){.ca-navigation{top:76px;left:14px;right:14px;gap:5px;flex-wrap:wrap}.ca-navigation button{min-height:38px;padding:7px 9px;font-size:11px}.ca-navigation>span{width:100%;max-width:100%;margin:1px 0 0;font-size:9px}.ca-navigation~.ca-scan-label{top:146px;font-size:9px}.assembly-showcase .ca-canvas-mount{inset:141px 0 118px;height:calc(100% - 259px)}.assembly-showcase .ca-stage{min-height:510px}}
@media(max-width:400px){.ca-navigation{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.ca-navigation button{min-width:0;font-size:10px;white-space:normal;padding:6px 5px;line-height:1.4}.ca-navigation>span{grid-column:1/-1;margin:0}}