/* Layer controls and touch-friendly navigation for the model viewer. */
.view-layers{margin:0 18px 12px;padding:0;border:1px solid var(--line);border-radius:8px;background:var(--surface2)}
.view-layers>summary{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;font-size:.78rem}
.view-layers>summary span{color:var(--muted);font-size:.7rem;font-weight:500}
.layer-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:0 10px 10px}
.layer-heading{margin:0;padding:0 10px 7px;color:var(--muted);font-size:.7rem;font-weight:650}
.canvas-wrap .axis-widget canvas{width:92px;height:82px;min-height:0!important;aspect-ratio:auto}
.viewer-card.fullscreen .canvas-wrap .axis-widget canvas{width:92px;height:82px;min-height:0!important}
.frame-preset-tools{margin:12px 0;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.frame-preset-tools .button-row{align-items:end;gap:6px}.frame-preset-tools .button-row>*{min-width:0;flex:1}.frame-preset-tools .button-row button{flex:0 0 auto;min-height:40px;padding:7px 10px;font-size:.7rem}.frame-preset-tools select,.frame-preset-tools input{min-width:0}
.section-gizmo{position:absolute;left:12px;right:auto;top:auto;bottom:58px;z-index:5;width:min(300px,calc(100% - 24px));max-height:58%;overflow:auto;padding:8px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--surface) 95%,transparent);box-shadow:0 3px 15px #0005;color:var(--text)}
.section-gizmo[hidden],.section-gizmo-panel[hidden]{display:none!important}.section-gizmo-head{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px;align-items:center;margin-bottom:7px}.section-gizmo-head b{font-size:.68rem;white-space:nowrap}.section-gizmo-head select{min-width:0;min-height:36px;padding:5px;font-size:.66rem}.section-gizmo button{min-height:38px;padding:5px 8px;font-size:.66rem;white-space:nowrap}.section-gizmo-panel>label{display:block;margin:3px 0 7px;font-size:.66rem}.section-gizmo-panel>label output{float:right;color:var(--muted);font-variant-numeric:tabular-nums}.section-gizmo-panel input[type=range]{display:block;width:100%;margin:6px 0}.section-gizmo-actions{display:flex;flex-wrap:wrap;gap:5px}.section-gizmo-actions button{flex:1 1 auto}.section-gizmo-panel select{min-height:36px;padding:5px}.section-gizmo-rotations{display:grid;gap:4px}.section-gizmo-rotations>div{display:grid;grid-template-columns:24px 40px minmax(48px,1fr) 40px;align-items:center;gap:5px}.section-gizmo-rotations output{text-align:center;font-size:.67rem;font-variant-numeric:tabular-nums}.section-gizmo-stack{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:8px;padding-top:7px;border-top:1px solid var(--line)}.section-gizmo-stack label{min-width:0;margin:0;font-size:.63rem}.section-gizmo-stack input,.section-gizmo-stack select{display:block;width:100%;min-width:0;margin-top:3px}.section-gizmo-stack button{grid-column:1/-1}.section-gizmo-panel p{margin:6px 0 0;font-size:.62rem}.section-gizmo-reopen{position:absolute;left:12px;bottom:58px;z-index:5;min-height:40px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 3px 15px #0005;color:var(--text);font-size:.7rem;font-weight:700}.section-gizmo-reopen[hidden]{display:none!important}
.layer-item{display:flex;align-items:center;gap:8px;min-width:0;min-height:44px;margin:0;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:var(--surface);font-size:.75rem;cursor:pointer}
.layer-item input{width:18px;min-height:18px;height:18px;flex:none;margin:0;accent-color:var(--accent)}
.layer-item i{flex:none;width:9px;height:9px;border-radius:50%;background:var(--part-color)}
.layer-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layer-item.layer-hidden{opacity:.58}
.layer-actions{display:flex;justify-content:flex-end;gap:7px;padding:0 10px 8px}
.layer-actions button{min-height:38px;padding:6px 10px;font-size:.7rem}
.controls-hidden .part-grid,.controls-hidden .view-layers,.controls-hidden .view-controls,.controls-hidden .viewer-tools{display:none!important}
.canvas-wrap canvas#model{cursor:grab}
.canvas-wrap canvas#model:active{cursor:grabbing}
@media(max-width:740px){
 main{padding:16px 10px 28px}.workspace{gap:14px}.viewer-card,.control-card,.card{border-radius:10px}
 .viewer-head{padding:12px;gap:8px}.viewer-head-actions{gap:6px}.viewer-head-actions button{min-height:42px;padding:8px 10px}
 .part-grid{padding:0 10px;gap:6px;grid-template-columns:repeat(3,minmax(0,1fr))}.part-grid button{min-height:48px;padding:8px;font-size:.72rem}.part-grid button small{font-size:.61rem}
 .view-layers{margin:8px 10px 10px}.layer-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:0 8px 8px}.layer-heading{padding-left:8px}.layer-item{min-height:44px;font-size:.72rem}.canvas-wrap .axis-widget canvas{width:78px;height:70px}.viewer-card.fullscreen .canvas-wrap .axis-widget canvas{width:78px;height:70px}.section-gizmo{left:7px;right:auto;top:auto;bottom:58px;width:min(300px,calc(100% - 14px));max-height:52%}.section-gizmo button{min-height:40px;font-size:.62rem}.section-gizmo-reopen{left:7px;bottom:58px}
 .canvas-wrap{min-height:clamp(300px,52svh,560px)}.canvas-wrap canvas{height:clamp(300px,52svh,560px);min-height:0}
 .view-help{left:10px;top:9px;right:112px;font-size:.64rem}.recovery{right:8px;bottom:8px;gap:4px}.recovery button{min-height:42px;padding:7px 10px}.recovery #fit{font-size:.74rem}
 .watermark{left:10px;bottom:12px;font-size:.75rem}.axis-widget{right:8px;top:36px}.view-controls{padding:10px;gap:6px}.view-controls button{min-height:44px;flex:1 1 30%;font-size:.7rem}
 .viewer-tools{align-items:center;gap:8px;padding:0 10px 10px}.viewer-tools .orbit-speed{flex:1;min-width:170px}.viewer-tools .frame-switch{white-space:nowrap}
 .viewer-card.fullscreen{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.viewer-card.fullscreen .canvas-wrap{min-height:0;flex:1 1 44svh}.viewer-card.fullscreen .canvas-wrap canvas{height:100%;min-height:0}.viewer-card.fullscreen.controls-hidden .canvas-wrap{min-height:0}
 .viewer-card.fullscreen .part-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.viewer-card.fullscreen .view-layers{margin:5px 10px}.viewer-card.fullscreen .axis-widget{top:30px}.viewer-card.fullscreen .view-help{top:8px}
}
@media(max-width:380px){.page-heading h1{font-size:2rem}.viewer-head b{font-size:.92rem}.viewer-head span{font-size:.67rem}.viewer-head-actions button{font-size:.66rem;padding:7px}.recovery #fit{max-width:112px;white-space:nowrap;overflow:hidden}.layer-list{grid-template-columns:1fr 1fr}.view-controls button{font-size:.64rem;padding:7px 5px}}
@media(max-height:560px) and (orientation:landscape){.canvas-wrap canvas{height:72svh;min-height:220px}.viewer-card.fullscreen .canvas-wrap{min-height:180px}.viewer-card.fullscreen .canvas-wrap canvas{height:100%}.viewer-card.fullscreen .part-grid button{min-height:38px}.viewer-card.fullscreen .view-controls{padding:6px}}
.controller-panel{min-width:0;margin:0;border:1px solid var(--line);border-radius:8px;background:var(--surface2)}
.controller-panel>summary{padding:9px 11px;font-size:.76rem}.controller-panel>summary span{color:var(--muted);font-size:.68rem;font-weight:500}
.controller-body{padding:0 11px 11px}.controller-body>p{font-size:.7rem;line-height:1.4}.controller-row{display:grid;grid-template-columns:minmax(110px,.55fr) minmax(170px,1fr);gap:8px;align-items:center}.controller-row label{margin:0;font-size:.72rem}.controller-row select{min-width:0;font-size:.72rem;min-height:42px;padding:7px}
.controller-buttons{display:flex;flex-wrap:wrap;gap:6px;margin:9px 0}.controller-buttons button{flex:1 1 42%;min-height:42px;padding:7px;font-size:.68rem}
.input-maps{display:grid;gap:5px}.input-map-row{display:grid;grid-template-columns:minmax(0,1fr) auto 38px;gap:7px;align-items:center;padding:4px 7px;border:1px solid var(--line);border-radius:6px;font-size:.68rem}.input-map-row span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.input-map-row span:nth-child(2){color:var(--accent);font-weight:700}.input-map-row button{min-height:34px;width:38px;padding:3px;font-size:1rem}
.controller-tuning{display:grid;grid-template-columns:1fr 1fr;gap:10px}.controller-tuning label{margin:8px 0 0;font-size:.67rem}.controller-tuning output{float:right;color:var(--muted)}.controller-tuning input{display:block;width:100%;margin-top:5px}
.builder-cad-steps{margin:8px 0 14px;padding-left:19px;color:var(--muted);font-size:.7rem;line-height:1.5}.builder-cad-steps li+li{margin-top:5px}.builder-cad-steps b{color:var(--text)}
@media(max-width:740px){.viewer-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px}.controller-panel{grid-column:1/-1;width:100%}.controller-row{grid-template-columns:1fr}.controller-row label{margin-top:3px}.controller-tuning{gap:7px}.controller-buttons button{font-size:.66rem}}
@media(orientation:landscape) and (max-width:950px) and (max-height:600px){
 main{padding:6px 9px 18px}.page-heading{margin:0 0 5px}.page-heading .eyebrow,.page-heading .intro,.source-card,.step-nav{display:none}.page-heading h1{font-size:1rem;line-height:1.1;margin:0}.workspace{display:block}.review-sidebar{margin-top:12px}.viewer-card:not(.fullscreen) .part-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:3px;padding:0 8px 4px}.viewer-card:not(.fullscreen) .part-grid button{min-height:34px;padding:4px;font-size:.6rem}.viewer-card:not(.fullscreen) .part-grid button small{display:none}.viewer-card:not(.fullscreen) .canvas-wrap{min-height:clamp(220px,50svh,370px)}.viewer-card:not(.fullscreen) .canvas-wrap canvas#model{height:clamp(220px,50svh,370px);min-height:0}.viewer-card:not(.fullscreen) .viewer-head{padding:6px 9px}.viewer-card:not(.fullscreen) .view-controls{padding:5px 8px;gap:4px}.viewer-card:not(.fullscreen) .view-controls button{flex:1 1 18%;min-height:38px;padding:5px;font-size:.61rem}.viewer-card:not(.fullscreen) .view-layers{margin:2px 8px 5px}
 .viewer-card.fullscreen{height:100dvh;min-height:0;overflow:hidden}.viewer-card.fullscreen .viewer-head{min-height:44px;padding:5px 10px}.viewer-card.fullscreen .viewer-head b{font-size:.78rem}.viewer-card.fullscreen .viewer-head span{font-size:.58rem}
 .viewer-card.fullscreen>.part-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:3px;padding:0 8px 4px}.viewer-card.fullscreen>.part-grid button{min-height:32px;padding:3px;font-size:.58rem}.viewer-card.fullscreen>.part-grid button small{display:none}
 .viewer-card.fullscreen>.view-layers{margin:2px 8px 4px}.viewer-card.fullscreen>.view-layers>summary{padding:4px 8px;font-size:.64rem}.viewer-card.fullscreen .layer-list{grid-template-columns:repeat(6,minmax(0,1fr));gap:3px;padding:0 5px 5px}.viewer-card.fullscreen .layer-item{min-height:34px;padding:4px;font-size:.6rem}
 .viewer-card.fullscreen>.canvas-wrap{flex:1 1 0;min-height:0}.viewer-card.fullscreen>.canvas-wrap canvas#model{height:100%;min-height:0}.viewer-card.fullscreen .view-help{top:5px;left:8px;font-size:.58rem}.viewer-card.fullscreen .axis-widget{top:22px;right:5px;transform:scale(.78);transform-origin:top right}.viewer-card.fullscreen .recovery{right:6px;bottom:5px}.viewer-card.fullscreen .recovery button{min-height:34px;padding:4px 7px;font-size:.65rem}.viewer-card.fullscreen .recovery #fit{max-width:100px}
 .viewer-card.fullscreen>.view-controls{padding:4px 7px;gap:4px}.viewer-card.fullscreen .view-controls button{flex:1 1 12%;min-height:34px;padding:4px;font-size:.58rem}.viewer-card.fullscreen>.viewer-tools{grid-template-columns:minmax(110px,.55fr) auto minmax(170px,1fr);gap:4px 8px;padding:0 8px 5px}.viewer-card.fullscreen .controller-panel{grid-column:auto}.viewer-card.fullscreen .controller-panel>summary{padding:5px 7px;font-size:.63rem}.viewer-card.fullscreen .controller-body{position:absolute;right:8px;bottom:46px;width:min(380px,48vw);max-height:70dvh;overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.viewer-card.fullscreen .controller-body>p{font-size:.64rem}.viewer-card.fullscreen .controller-buttons button{min-height:34px;font-size:.6rem}.viewer-card.fullscreen .orbit-speed{font-size:.62rem}.viewer-card.fullscreen .frame-switch{font-size:.62rem;white-space:nowrap}
 .viewer-card.fullscreen>.section-dock{position:absolute;left:auto;right:8px;top:42px;width:min(370px,47vw);max-height:calc(100% - 88px);z-index:6;margin:0}.viewer-card.fullscreen:has(>.section-dock[open])>.part-grid,.viewer-card.fullscreen:has(>.section-dock[open])>.view-layers,.viewer-card.fullscreen:has(>.section-dock[open])>.view-controls{display:none}.viewer-card.fullscreen:has(>.section-dock[open])>.canvas-wrap{min-height:0}
}

/* Mobile fullscreen is model-first; the compact dock keeps the common controls reachable. */
.mobile-view-dock{display:none}
@media(max-width:740px){
 .viewer-card.fullscreen .axis-widget{left:auto;right:8px;top:8px;width:58px;padding:3px;border:1px solid #8da8ba55;border-radius:8px;background:#102030c9;pointer-events:none}
 .viewer-card.fullscreen .axis-widget canvas{width:50px;height:46px;min-height:0!important}
 .viewer-card.fullscreen .axis-widget>div,.viewer-card.fullscreen .axis-widget>small{display:none!important}
 .viewer-card.fullscreen.mobile-compact:not(.mobile-workbench-open) .part-grid,.viewer-card.fullscreen.mobile-compact:not(.mobile-workbench-open) .view-layers,.viewer-card.fullscreen.mobile-compact:not(.mobile-workbench-open) .view-controls,.viewer-card.fullscreen.mobile-compact:not(.mobile-workbench-open) .viewer-tools,.viewer-card.fullscreen.mobile-compact:not(.mobile-workbench-open) .caption{display:none!important}
 .viewer-card.fullscreen.mobile-compact .canvas-wrap{flex:1 1 auto;min-height:0}
 .viewer-card.fullscreen.mobile-compact .canvas-wrap canvas#model{height:100%;min-height:0}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock:not([hidden]){display:grid;position:absolute;left:50%;bottom:max(8px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:7;grid-template-columns:minmax(78px,1fr) minmax(72px,.9fr) auto auto auto auto;align-items:center;gap:4px;width:min(620px,calc(100% - 14px));padding:5px;border:1px solid #7791a455;border-radius:12px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 3px 16px #0006;backdrop-filter:blur(10px)}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock select,.viewer-card.fullscreen.mobile-compact .mobile-view-dock button{min-width:0;min-height:42px;margin:0;padding:5px 7px;font-size:.66rem}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock button{white-space:nowrap}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock #mobile-zoom-out,.viewer-card.fullscreen.mobile-compact .mobile-view-dock #mobile-zoom-in{min-width:36px;font-size:1rem}
 .viewer-card.fullscreen.mobile-workbench-open{height:100dvh;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain}.viewer-card.fullscreen.mobile-workbench-open .canvas-wrap{flex:none;min-height:48svh}.viewer-card.fullscreen.mobile-workbench-open .canvas-wrap canvas#model{height:48svh;min-height:280px}.viewer-card.fullscreen.mobile-workbench-open .mobile-view-dock{display:none!important}
}
@media(max-width:380px){.viewer-card.fullscreen.mobile-compact .mobile-view-dock{grid-template-columns:minmax(66px,1fr) minmax(60px,.85fr) auto auto auto auto;gap:3px;padding:4px}.viewer-card.fullscreen.mobile-compact .mobile-view-dock select,.viewer-card.fullscreen.mobile-compact .mobile-view-dock button{padding:4px;font-size:.6rem}}

/* Keep the phone viewer intentional: one large canvas, one predictable dock. */
@media(max-width:740px){
 .viewer-card.fullscreen.mobile-compact{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;width:100vw;height:100vh;height:100dvh;min-height:0;overflow:hidden;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);border:0;border-radius:0;background:var(--surface)}
 .viewer-card.fullscreen.mobile-compact>.viewer-head{flex:0 0 auto;min-height:48px;padding:5px 9px;gap:6px}
 .viewer-card.fullscreen.mobile-compact>.viewer-head>div:first-child{min-width:0}
 .viewer-card.fullscreen.mobile-compact .viewer-head b{font-size:.82rem;line-height:1.15}
 .viewer-card.fullscreen.mobile-compact .viewer-head span{font-size:.61rem;line-height:1.2}
 .viewer-card.fullscreen.mobile-compact .viewer-head-actions{flex:none}
 .viewer-card.fullscreen.mobile-compact #toggle-controls{display:none}
 .viewer-card.fullscreen.mobile-compact #expand{min-height:38px;padding:5px 10px;font-size:.68rem}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap{order:2;position:relative;flex:1 1 auto;width:100%;min-height:0!important;margin:0}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap>canvas#model{width:100%;height:100%;min-height:0;touch-action:none}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap>.view-help{top:8px;left:10px;right:88px;font-size:.62rem;line-height:1.3}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap>.watermark{left:10px;bottom:12px;font-size:.65rem}
 .viewer-card.fullscreen.mobile-compact .axis-widget{top:8px;right:8px;left:auto;width:54px;padding:2px}
 .viewer-card.fullscreen.mobile-compact .axis-widget canvas{width:46px;height:44px}
 .viewer-card.fullscreen.mobile-compact .recovery{right:8px;bottom:calc(62px + env(safe-area-inset-bottom));gap:4px}
 .viewer-card.fullscreen.mobile-compact .recovery button{min-height:38px;padding:5px 8px;font-size:.68rem}
 .viewer-card.fullscreen.mobile-compact .recovery #fit{max-width:90px}
 .viewer-card.fullscreen.mobile-compact>.mobile-view-dock:not([hidden]){bottom:max(7px,env(safe-area-inset-bottom));grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) auto auto auto auto;gap:4px;width:calc(100% - 16px);max-width:620px;padding:5px}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock select,.viewer-card.fullscreen.mobile-compact .mobile-view-dock button{height:40px;min-height:40px;font-size:.67rem}
 .viewer-card.fullscreen.mobile-workbench-open{position:fixed;inset:0;display:flex;height:100vh;height:100dvh;overflow-x:hidden;overflow-y:auto;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);overscroll-behavior:contain}
 .viewer-card.fullscreen.mobile-workbench-open>.viewer-head{position:sticky;top:0;z-index:8;flex:none;background:var(--surface)}
 .viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap{order:initial;flex:none;width:auto;min-height:34svh!important;margin:0 8px}
 .viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap>canvas#model{height:34svh;min-height:220px}
 .viewer-card.fullscreen.mobile-workbench-open .axis-widget{top:6px;right:6px}
 .viewer-card.fullscreen.mobile-workbench-open .recovery{bottom:6px}
 .viewer-card.fullscreen.mobile-workbench-open>.section-dock{position:relative;inset:auto;order:3;flex:none;width:auto;max-height:none;margin:8px;border-radius:9px;overflow:visible;box-shadow:none}
 .viewer-card.fullscreen.mobile-workbench-open>.section-dock[open]{max-height:none}
 .viewer-card.fullscreen.mobile-workbench-open>.section-dock>summary{position:sticky;top:48px;z-index:6;border-radius:9px}
 .viewer-card.fullscreen.mobile-workbench-open>.part-grid,.viewer-card.fullscreen.mobile-workbench-open>.view-layers,.viewer-card.fullscreen.mobile-workbench-open>.view-controls,.viewer-card.fullscreen.mobile-workbench-open>.viewer-tools,.viewer-card.fullscreen.mobile-workbench-open>.caption,.viewer-card.fullscreen.mobile-workbench-open>.mobile-view-dock{display:none!important}
 .viewer-card.fullscreen.mobile-workbench-open .section-gizmo{position:sticky;left:auto;right:auto;bottom:auto;width:auto;max-height:none;margin:8px;border-radius:9px}
 .viewer-card.fullscreen.mobile-workbench-open .section-gizmo-reopen{position:sticky;left:auto;bottom:auto;margin:8px}
}
@media(max-width:740px) and (orientation:landscape){
 .viewer-card.fullscreen.mobile-compact>.viewer-head{min-height:40px;padding:3px 9px}
 .viewer-card.fullscreen.mobile-compact .viewer-head b{font-size:.74rem}
 .viewer-card.fullscreen.mobile-compact .viewer-head span{font-size:.56rem}
 .viewer-card.fullscreen.mobile-compact .viewer-head-actions button{min-height:34px}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock select,.viewer-card.fullscreen.mobile-compact .mobile-view-dock button{height:36px;min-height:36px}
 .viewer-card.fullscreen.mobile-compact .recovery{bottom:calc(54px + env(safe-area-inset-bottom))}
 .viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap{min-height:28svh!important}
 .viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap>canvas#model{height:28svh;min-height:180px}
}
/* High-DPI phones can report a 900–1100px CSS width in landscape. */
@media(orientation:landscape) and (max-height:600px) and (pointer:coarse){
 .viewer-card:not(.fullscreen)>.section-dock{position:relative;inset:auto;order:initial;width:auto;max-height:none;margin:0 8px 8px;overflow:visible;box-shadow:none}
 .viewer-card:not(.fullscreen)>.section-dock>summary{position:relative}
 .viewer-card.fullscreen.mobile-compact{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;width:100vw;height:100vh;height:100dvh;min-height:0;overflow:hidden;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);border:0;border-radius:0;background:var(--surface)}
 .viewer-card.fullscreen.mobile-compact>.viewer-head{flex:0 0 auto;min-height:40px;padding:3px 9px}
 .viewer-card.fullscreen.mobile-compact .viewer-head b{font-size:.74rem}.viewer-card.fullscreen.mobile-compact .viewer-head span{font-size:.56rem}
 .viewer-card.fullscreen.mobile-compact #toggle-controls{display:none}.viewer-card.fullscreen.mobile-compact #expand{min-height:34px;padding:4px 9px;font-size:.65rem}
 .viewer-card.fullscreen.mobile-compact>.part-grid,.viewer-card.fullscreen.mobile-compact>.view-layers,.viewer-card.fullscreen.mobile-compact>.view-controls,.viewer-card.fullscreen.mobile-compact>.viewer-tools,.viewer-card.fullscreen.mobile-compact>.caption{display:none!important}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap{order:2;position:relative;flex:1 1 auto;width:100%;min-height:0!important;margin:0}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap>canvas#model{width:100%;height:100%;min-height:0;touch-action:none}
 .viewer-card.fullscreen.mobile-compact>.canvas-wrap>.view-help{top:6px;left:10px;right:84px;font-size:.57rem}
 .viewer-card.fullscreen.mobile-compact .axis-widget{top:5px;right:6px;left:auto;width:48px;padding:1px}.viewer-card.fullscreen.mobile-compact .axis-widget canvas{width:42px;height:40px}
 .viewer-card.fullscreen.mobile-compact .recovery{right:7px;bottom:calc(51px + env(safe-area-inset-bottom));gap:3px}.viewer-card.fullscreen.mobile-compact .recovery button{min-height:34px;padding:4px 7px;font-size:.62rem}.viewer-card.fullscreen.mobile-compact .recovery #fit{max-width:84px}
 .viewer-card.fullscreen.mobile-compact>.mobile-view-dock:not([hidden]){display:grid;position:absolute;left:50%;bottom:max(5px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:7;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr) auto auto auto auto;align-items:center;gap:4px;width:min(620px,calc(100% - 14px));padding:4px;border:1px solid #7791a455;border-radius:10px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 3px 16px #0006;backdrop-filter:blur(10px)}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock select,.viewer-card.fullscreen.mobile-compact .mobile-view-dock button{min-width:0;height:34px;min-height:34px;margin:0;padding:4px 6px;font-size:.62rem}
 .viewer-card.fullscreen.mobile-compact .mobile-view-dock #mobile-zoom-out,.viewer-card.fullscreen.mobile-compact .mobile-view-dock #mobile-zoom-in{min-width:32px;font-size:.9rem}
 .viewer-card.fullscreen.mobile-workbench-open{position:fixed;inset:0;display:flex;height:100dvh;overflow-x:hidden;overflow-y:auto;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);overscroll-behavior:contain}
 .viewer-card.fullscreen.mobile-workbench-open>.viewer-head{position:sticky;top:0;z-index:8;flex:none;background:var(--surface)}
 .viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap{order:initial;flex:none;width:auto;min-height:28svh!important;margin:0 8px}.viewer-card.fullscreen.mobile-workbench-open>.canvas-wrap>canvas#model{height:28svh;min-height:180px}
 .viewer-card.fullscreen.mobile-workbench-open>.section-dock{position:relative;inset:auto;order:3;flex:none;width:auto;max-height:none;margin:8px;overflow:visible;box-shadow:none}
 .viewer-card.fullscreen.mobile-workbench-open>.part-grid,.viewer-card.fullscreen.mobile-workbench-open>.view-layers,.viewer-card.fullscreen.mobile-workbench-open>.view-controls,.viewer-card.fullscreen.mobile-workbench-open>.viewer-tools,.viewer-card.fullscreen.mobile-workbench-open>.caption,.viewer-card.fullscreen.mobile-workbench-open>.mobile-view-dock{display:none!important}
 .viewer-card.fullscreen.mobile-workbench-open .section-gizmo{position:sticky;left:auto;right:auto;bottom:auto;width:auto;max-height:none;margin:8px}
}