:root{--ink:#183d42;--muted:#667876;--line:#d9e1dc;--bg:#f5f5f0;--paper:#fffefa;--accent:#b67b50;--teal:#236b6d;--amber:#976022;font-family:-apple-system,BlinkMacSystemFont,'HarmonyOS Sans SC','PingFang SC',sans-serif;color:var(--ink);background:var(--bg);font-size:15px}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;background:transparent;border:1px solid var(--line);padding:9px 13px;border-radius:6px;color:var(--ink)}button:hover{background:#e7ede7}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #90babb;outline-offset:3px}button[aria-pressed=true],button[aria-selected=true]{background:var(--ink);color:white;border-color:var(--ink)}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}.masthead{max-width:1660px;margin:auto;padding:38px 32px 26px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:650;color:var(--teal);margin:0 0 10px}h1{font-size:clamp(24px,2.5vw,36px);font-weight:550;letter-spacing:.03em;margin:5px 0 8px}h2{font-size:25px;font-weight:550;margin:0}h3{font-size:18px;margin:0 0 12px}.masthead p{color:var(--muted);margin:0}.head-actions{display:flex;align-items:center;gap:20px;flex-shrink:0}.head-actions a{font-size:13px}.head-actions button{background:var(--ink);color:white}.room-nav{display:flex;gap:0;max-width:1596px;margin:0 auto 24px;border-bottom:1px solid var(--line)}.room-nav button{border:none;border-bottom:3px solid transparent;border-radius:0;text-align:left;flex:1;padding:15px 20px;background:transparent}.room-nav button b{display:block;font-size:17px;font-weight:600}.room-nav button span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.room-nav button[aria-pressed=true]{border-bottom-color:var(--teal);background:#e8eeE7;color:var(--ink)}main{max-width:1660px;margin:auto;padding:0 32px}.design-layout{display:grid;grid-template-columns:minmax(0,1fr) 345px;gap:30px}.visual-column{min-width:0}.scene-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px}.draft-tag{font-size:12px;padding:6px 9px;background:#e9ede4;color:#5f7362;border-radius:4px}.stage-wrap{position:relative;background:#edf1eb;border:1px solid var(--line);border-radius:8px;overflow:hidden}#stage{height:clamp(460px,57vh,720px);width:100%;position:relative}#stage canvas{display:block;width:100%;height:100%;outline:none}#labels{position:absolute;inset:0;pointer-events:none}.view-tools{position:absolute;left:15px;top:15px;display:flex;gap:5px;z-index:4}.view-tools button{padding:7px 11px;font-size:12px;background:rgba(255,254,250,.94)}.view-tools button[aria-pressed=true]{background:var(--ink);color:white}.stage-help{position:absolute;bottom:7px;left:16px;font-size:11px;color:#6d817d;pointer-events:none}.scene-note{font-size:12px;color:var(--muted);line-height:1.65}.layer-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;padding:17px 3px 12px}.layer-control>div{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}.layer-control label{font-weight:550;display:flex;align-items:center;gap:7px}.swatch{width:12px;height:12px;display:inline-block;border:1px solid #c7ceca;border-radius:50%}.layer-control output{font-size:12px;color:var(--muted)}input[type=range]{width:100%;accent-color:var(--teal)}.range-ends{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.scene-switches{border-top:1px solid var(--line);padding:12px 0;display:flex;gap:18px;align-items:center;flex-wrap:wrap;font-size:12px}.scene-switches label{display:flex;gap:5px;align-items:center;cursor:pointer}.scene-switches input{accent-color:var(--teal)}.scene-switches button{margin-left:auto;font-size:12px}.settings{padding:7px 0 0}.panel-title{display:flex;justify-content:space-between;align-items:center}.panel-title button{font-size:11px;padding:5px 7px}.panel-title h3{margin:0}.settings p{line-height:1.75;color:var(--muted);font-size:13px}.settings p.mount{font-size:16px;color:var(--ink);margin-bottom:3px;font-weight:600}.params{display:grid;gap:11px;margin:20px 0}.params label{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:12px}.params label>div{display:flex;align-items:center;gap:6px;color:var(--muted);flex-shrink:0}.params input{width:86px;padding:8px 7px;text-align:right;color:var(--ink);border:1px solid var(--line);border-radius:5px;background:white;font-size:14px}.params label.pending-field{display:block;padding:12px;background:#fff3dc;border-left:2px solid #c49553}.pending-field>div{margin-top:8px}.pending-field input{width:190px}.pending-field small{display:block;color:var(--amber);line-height:1.6;margin-top:6px}.key-stats{display:flex;gap:25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin:19px 0}.key-stats small{display:block;font-size:11px;color:var(--muted);margin-bottom:6px}.key-stats b{font-size:23px;font-weight:550;letter-spacing:-.04em}.key-stats b span{font-size:12px;margin-left:3px;color:var(--muted);font-weight:400}.settings details{font-size:13px;margin-top:15px}summary{cursor:pointer;line-height:1.6}.fine{font-size:12px;line-height:1.65;color:var(--muted)}.details-area{margin-top:23px;background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden}.detail-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);padding:12px 18px;flex-wrap:wrap}.detail-tabs button{font-size:13px;border-color:transparent}.detail-tabs button[aria-selected=true]{background:#e5eeea;color:var(--ink)}#detailPanel{padding:26px 28px;min-height:260px}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 44px}.prose-grid h3{font-size:16px}.prose-grid p{font-size:14px;line-height:1.85;margin:0 0 14px}.measure-tags{display:flex;gap:7px;flex-wrap:wrap}.measure-tags span{font-size:12px;background:#edf1ec;padding:7px 10px;border-radius:4px}.review-list{font-size:13px;line-height:1.85;margin:0;padding-left:20px}.caution{background:#fbf1df;border-left:3px solid #c19556;padding:13px 17px;margin-top:19px;font-size:13px;line-height:1.75}.caution p{margin:0 0 5px}.caution p:last-child{margin:0}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.7}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e6eae5;vertical-align:top}th{font-size:12px;color:var(--muted);font-weight:500;background:#f3f5ef}td.num{font-variant-numeric:tabular-nums;white-space:nowrap}.fabric-note{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:20px}.fabric-note div{border-top:2px solid var(--line);padding-top:13px;font-size:13px;line-height:1.8}.fabric-note strong{font-size:18px}.section-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,1fr);gap:35px}.section-grid svg{width:100%;height:auto;background:#f7f8f2;border:1px solid var(--line);border-radius:6px}.section-grid p,.section-grid li{line-height:1.8;font-size:14px}.references{margin:26px 0;color:var(--muted);font-size:12px;line-height:1.85}.references ul{padding-left:20px}.references p{max-width:1100px}footer{max-width:1660px;padding:20px 32px 32px;margin:auto;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}[hidden]{display:none!important}#sceneError{position:absolute;inset:80px 20px;background:#fff7e7;padding:20px;z-index:5}
@media(min-width:1700px){.design-layout{grid-template-columns:minmax(0,1fr) 380px}}@media(max-width:1100px){.design-layout{grid-template-columns:minmax(0,1fr) 305px;gap:20px}main{padding:0 20px}.masthead{padding:25px 20px}.room-nav{margin:0 20px 20px}.room-nav button{padding:12px 12px}.head-actions{flex-direction:column;align-items:flex-end;gap:10px}#stage{height:510px}}@media(max-width:820px){.design-layout{grid-template-columns:1fr}.settings{border-top:1px solid var(--line);padding-top:22px}.params{grid-template-columns:1fr 1fr;gap:15px 24px}.params .pending-field{grid-column:1/-1}.prose-grid,.section-grid{grid-template-columns:1fr}.room-nav button{padding:10px 8px}.room-nav button b{font-size:15px}.room-nav button span{font-size:10px}.head-actions a{display:none}.masthead h1{font-size:26px}#stage{height:520px}.key-stats{justify-content:flex-start;gap:70px}.settings details .params{grid-template-columns:1fr 1fr}}@media(max-width:500px){main{padding:0 12px}.masthead{padding:22px 12px;align-items:flex-start}.masthead h1{font-size:22px}.masthead p{font-size:12px}.eyebrow{font-size:9px}.head-actions button{font-size:11px;padding:8px;max-width:78px}.room-nav{margin:0 12px 18px;flex-wrap:wrap}.room-nav button{flex:1 0 32%;padding:10px}.room-nav button span{font-size:11px}.params{grid-template-columns:1fr}.settings details .params{grid-template-columns:1fr}.layer-controls{gap:12px}.scene-heading h2{font-size:22px}.draft-tag{font-size:10px}#stage{height:450px}.detail-tabs{padding:9px;gap:0}.detail-tabs button{padding:8px 10px;font-size:12px}#detailPanel{padding:20px 15px}.key-stats{gap:50px}th,td{padding:9px 7px;min-width:90px}.scene-switches{gap:10px;font-size:11px}.stage-help{font-size:9px}.prose-grid{gap:18px}.section-grid{display:block}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Mobile-first design controls; geometry and values remain in the app module. */
:root{-webkit-text-size-adjust:100%}body{min-width:320px}button{min-height:44px}button,a,input,summary{-webkit-tap-highlight-color:transparent}summary{min-height:48px;line-height:1.5}summary:focus-visible{outline:3px solid #90babb;outline-offset:3px}h1,h2,h3,h4,p{overflow-wrap:break-word}main,.visual-column,.settings{min-width:0}.params input{min-height:44px;font-size:16px;font-variant-numeric:tabular-nums}.params label{min-height:44px;font-size:13px;line-height:1.5}.params label>span{min-width:0}.params label>div{gap:7px}.params input::placeholder{font-size:14px}.panel-title button{min-height:44px;padding:8px 10px;font-size:12px}.view-tools button{min-height:44px;min-width:44px;padding:8px 12px}.layer-controls{margin-top:12px;padding:0;gap:12px}.layer-control{min-width:0;padding:13px 14px 8px;background:var(--paper);border:1px solid var(--line);border-radius:9px}.layer-control label{font-size:14px}.layer-control output{font-variant-numeric:tabular-nums;white-space:nowrap}input[type=range]{display:block;min-height:44px;margin:0;cursor:pointer}.layer-control>div{gap:8px;margin-bottom:4px}.range-ends{font-size:11px;line-height:1.5}.quick-open,.layer-control>.quick-open{display:flex;gap:8px;margin:10px 0 3px}.quick-open button{flex:1;min-height:44px;font-size:13px;background:#f1f5ef}.quick-open button[aria-pressed=true]{background:#e1ece4;color:var(--ink);border-color:#7ea29b}.scene-switches label{min-height:44px}.scene-switches input{width:17px;height:17px;margin:0;flex-shrink:0}.scene-note{margin:10px 0 0}.stage-wrap{border-radius:10px}.stage-help{right:12px;line-height:1.5}.settings details{margin:0 0 11px;background:var(--paper);border:1px solid var(--line);border-radius:9px;overflow:hidden}.settings summary{padding:13px 14px;font-size:14px;font-weight:600}.summary-hint{float:right;margin-top:2px;color:var(--muted);font-size:11px;font-weight:400}.settings details[open]>summary{border-bottom:1px solid var(--line)}.settings-content{padding:14px}.settings-content .params{margin:16px 0 4px}.fabric-settings>.params{margin:16px 14px 10px}.fabric-settings>.fine{margin:10px 14px 15px}.key-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:14px 5px;margin:12px 0}.key-stats small{min-height:30px;line-height:1.5}.key-stats b{font-variant-numeric:tabular-nums;font-size:21px}.key-stats:empty{display:none}.track-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px;margin:0 0 12px}.track-summary:empty{display:none}.track-card{min-width:0;padding:13px 14px;background:var(--paper);border:1px solid var(--line);border-radius:9px}.track-card h3,.track-card h4,.track-card header{font-size:13px;font-weight:600;line-height:1.5;margin:0 0 10px}.track-card header{display:flex;align-items:center;justify-content:space-between;gap:10px}.track-values,.track-metrics,.track-card>.values,.track-card>dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0}.track-values>div,.track-metrics>div,.track-card>.values>div{min-width:0}.track-values small,.track-metrics small,.track-card>.values small,.track-card dt{display:block;font-size:11px;line-height:1.5;color:var(--muted);margin-bottom:4px}.track-values b,.track-values strong,.track-metrics b,.track-metrics strong,.track-card>.values b,.track-card>.values strong,.track-card dd{font-size:22px;line-height:1.3;font-weight:650;font-variant-numeric:tabular-nums;margin:0}.track-card .unit,.track-values b span,.track-values strong span,.track-card>.values b span{font-size:11px;font-weight:400;margin-left:3px;color:var(--muted)}.track-card .offset-value,.track-values .offset-value,.track-card>.values .offset-value{display:block;font-size:13px;font-weight:600;line-height:1.45;overflow-wrap:anywhere}.track-card p,.track-card .track-note{font-size:11px;line-height:1.55;color:var(--muted);margin:8px 0 0}.quantity-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:12px;margin:15px 0}.quantity-cards.mobile-quantity-cards{display:none}.quantity-cards.whole-cards{display:grid}.quantity-card{min-width:0;padding:15px;background:#f8faf5;border:1px solid var(--line);border-radius:9px}.quantity-card header{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;padding-bottom:11px;margin-bottom:10px;border-bottom:1px solid var(--line)}.quantity-card h3,.quantity-card h4{margin:0;font-size:15px;line-height:1.5}.quantity-card header small,.quantity-card small,.quantity-card .card-note{color:var(--muted);font-size:11px;line-height:1.6}.quantity-card p{margin:7px 0 0;font-size:13px;line-height:1.65}.quantity-card dl{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 12px;margin:0;font-size:13px;line-height:1.5}.quantity-card dt{color:var(--muted)}.quantity-card dd{margin:0;text-align:right;font-weight:600;font-variant-numeric:tabular-nums}.quantity-card .card-dimensions,.quantity-card .main-size{display:block;margin:9px 0 13px;font-size:23px;line-height:1.4;font-weight:650;font-variant-numeric:tabular-nums}.quantity-card .card-note{margin-top:11px}.desktop-quantity-table{display:block}.table-wrap{overscroll-behavior-x:contain}.references a{overflow-wrap:anywhere}.references li{margin-bottom:8px}.references summary{padding-top:11px;padding-bottom:11px;font-size:14px}.detail-tabs button{min-height:44px}

@media(max-width:820px){
 .masthead{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:25px 18px 18px}.masthead h1{font-size:27px;line-height:1.3;margin:0 0 8px;font-weight:650}.masthead p{font-size:13px;line-height:1.6}.head-actions{margin:0;gap:8px}.head-actions a{display:inline-flex;min-height:44px;align-items:center;font-size:12px}.head-actions button{font-size:12px;padding:10px 12px;min-height:44px;max-width:none}.room-nav{display:flex;flex-wrap:nowrap;gap:7px;margin:0 0 20px;padding:0 18px 10px;border:0;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:#c7d5cc transparent}.room-nav button{flex:0 0 auto;min-width:105px;max-width:185px;min-height:68px;padding:11px 13px;text-align:left;scroll-snap-align:start;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.room-nav button b{font-size:15px}.room-nav button span{font-size:11px;white-space:nowrap}.room-nav button[aria-pressed=true]{background:#e3ede6;color:var(--ink);border-color:#6c9490}.room-nav button[aria-pressed=true] span{color:#385c57}main{padding:0 18px}.design-layout{grid-template-columns:minmax(0,1fr);gap:17px}.scene-heading{gap:10px;margin-bottom:13px}.scene-heading h2{font-size:23px;line-height:1.35}.draft-tag{font-size:11px;flex-shrink:0}.settings{padding-top:0;border-top:0}.settings details .params{grid-template-columns:minmax(0,1fr)}.params{grid-template-columns:minmax(0,1fr);gap:12px}.key-stats{justify-content:initial;gap:13px}.key-stats b{font-size:22px}.stage-wrap #stage{height:450px}.stage-help{left:12px;bottom:9px;font-size:10px;margin:0}.scene-switches{gap:4px 16px;margin-top:9px;padding:0 0 4px;font-size:12px}.scene-switches button{font-size:13px;min-height:44px}.layer-controls{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.quantity-cards.mobile-quantity-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.desktop-quantity-table{display:none}.quantity-cards.whole-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-tabs{display:flex;flex-wrap:nowrap;gap:3px;overflow-x:auto;overscroll-behavior-x:contain;padding:9px 8px}.detail-tabs button{flex:1 0 auto;padding:9px 12px;font-size:13px;white-space:nowrap}#detailPanel{padding:21px 16px}.prose-grid,.section-grid{grid-template-columns:minmax(0,1fr)}.references{margin-top:20px}.references p{font-size:12px;line-height:1.8}footer{padding:20px 18px 26px;font-size:11px;line-height:1.7}
}

@media(max-width:500px){
 .masthead{display:block;padding:21px 16px 15px}.masthead h1{font-size:25px}.masthead p{font-size:12px}.head-actions{display:flex;flex-direction:row;align-items:center;gap:12px;margin-top:11px}.head-actions a{display:inline-flex;font-size:13px}.head-actions button{margin-left:auto;max-width:none;padding:10px 13px;font-size:13px}.room-nav{padding:0 16px 9px;margin-bottom:18px}.room-nav button{flex:0 0 auto;min-width:103px;padding:11px 12px}.eyebrow{font-size:11px;margin-bottom:7px;letter-spacing:0}.scene-heading h2{font-size:22px}main{padding:0 16px}.track-summary{grid-template-columns:minmax(0,1fr);gap:8px}.track-card{padding:12px 13px}.track-values,.track-metrics,.track-card>.values{grid-template-columns:.95fr .8fr 1.25fr;gap:8px}.track-card .offset-value{font-size:13px}.stage-wrap #stage{height:390px;height:clamp(330px,52svh,440px)}.view-tools{left:10px;top:10px;gap:5px}.view-tools button{font-size:12px;min-width:44px;min-height:44px;padding:8px 11px}.stage-help{font-size:10px;right:12px;line-height:1.5}.layer-controls{grid-template-columns:minmax(0,1fr)}.scene-switches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 5px}.scene-switches label{font-size:12px;gap:5px;min-height:44px}.scene-switches button{grid-column:1/-1;width:100%;margin:0}.scene-switches input{width:16px;height:16px}.scene-note{font-size:12px;line-height:1.7}.settings summary{font-size:14px;padding:13px}.settings-content{padding:13px}.panel-title h3{font-size:15px}.params label{font-size:13px;gap:10px}.params input{width:82px;min-height:44px}.pending-field input{width:min(200px,65vw)}.pending-field small{font-size:11px}.fabric-settings>.params{margin:16px 13px 10px}.key-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:14px 5px}.key-stats b{font-size:21px}.key-stats b span{font-size:11px;margin-left:2px}.key-stats small{font-size:11px;line-height:1.45;min-height:32px}.details-area{margin-top:18px;border-radius:9px}.detail-tabs{gap:1px;padding:8px 6px}.detail-tabs button{font-size:12px;padding:9px 9px;min-height:44px}#detailPanel{padding:20px 14px}.quantity-cards.mobile-quantity-cards,.quantity-cards.whole-cards{grid-template-columns:minmax(0,1fr)}.quantity-card{padding:14px}.quantity-card dd{font-size:13px}.fabric-note{grid-template-columns:minmax(0,1fr);gap:16px}.fabric-note strong{font-size:19px}.section-grid{display:grid;grid-template-columns:minmax(0,1fr)}th,td{min-width:0}.references{padding:0 2px}.references summary{font-size:13px}footer{padding-left:16px;padding-right:16px}
}

@media(min-width:821px){
 .masthead h1{font-size:clamp(27px,2.5vw,35px);font-weight:600}.design-layout{align-items:start}.settings{padding-top:2px}.track-values b,.track-values strong,.track-card>.values b,.track-card>.values strong{font-size:23px}.track-card .offset-value{font-size:14px}.head-actions a{display:inline-flex;min-height:44px;align-items:center}.room-nav button{min-height:72px}.scene-switches{gap:5px 15px}.panel-title h3{font-size:15px}.settings .params label{font-size:12px}.settings .params input{width:80px}.settings p.mount{font-size:15px}.key-stats b{font-size:20px}.quantity-cards.whole-cards{grid-template-columns:repeat(auto-fit,minmax(255px,1fr))}
}
.track-card h3 small{font-size:11px;font-weight:400;color:var(--muted);margin-left:4px}.track-card .bend-value{display:block;font-size:14px;line-height:1.5;font-weight:600;overflow-wrap:anywhere}.quick-open{flex-wrap:wrap}.quick-open>span{flex-basis:100%;font-size:11px;line-height:1.5;color:var(--muted)}.quantity-card header>span{font-size:11px;line-height:1.5;color:var(--muted);text-align:right;max-width:55%}.quantity-card dd{overflow-wrap:anywhere}.settings details[open] .summary-hint{visibility:hidden}

/* Keep the three fabrication questions readable on narrow cards. */
.track-values{grid-template-columns:1fr 1.55fr;gap:12px 16px}.track-values>div:last-child{grid-column:1/-1;padding-top:10px;border-top:1px solid var(--line)}.track-card .offset-value{font-size:13px;font-weight:500;line-height:1.65}.track-card .bend-value{font-size:14px;line-height:1.6}

.hall-evidence{margin:24px 0}.hall-evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.hall-evidence figure{margin:0;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff}.hall-evidence svg,.hall-evidence img{display:block;width:100%;height:340px;object-fit:contain}.hall-evidence figcaption{font-size:12px;line-height:1.7;color:var(--muted);margin-top:9px}@media(max-width:600px){.hall-evidence-grid{grid-template-columns:1fr}.hall-evidence svg,.hall-evidence img{height:310px}}

/* Direct model gestures, explicit locking, and curtain-opening rails. */
.cdv-scene-tools{position:absolute;top:15px;right:15px;z-index:4;display:flex;gap:6px;max-width:calc(100% - 30px)}
.cdv-scene-tools button{min-height:44px;min-width:44px;padding:8px 12px;font-size:12px;line-height:1.4;white-space:nowrap;background:rgba(255,254,250,.96);box-shadow:0 1px 3px #183d4208}
.cdv-scene-tools button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}
.cdv-scene-tools [data-model-lock][aria-pressed=false]{border-color:#719b8f;background:#e6f0e9;color:var(--ink)}
.cdv-interaction-hint{position:absolute;left:12px;right:12px;bottom:8px;z-index:2;pointer-events:none;margin:0;font-size:11px;line-height:1.5;color:#4f6a65;text-align:center}
.stage-help{display:none}
.cdv-mobile-dimensions{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;padding:11px;background:var(--paper);border:1px solid var(--line);border-radius:9px;min-width:0}
.cdv-mobile-dimensions:empty{display:none}
.cdv-mobile-dimensions>span,.cdv-mobile-dimensions>div{flex:0 1 auto;max-width:100%;margin:0;padding:6px 9px;background:#edf1ec;border-radius:5px;color:var(--ink);font-size:12px;line-height:1.55;overflow-wrap:anywhere}
.cdv-mobile-dimensions .cdv-dimension-number{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;margin-right:5px;border-radius:50%;background:var(--ink);color:#fff;font-size:11px;font-weight:650}
.layer-controls{margin-top:10px;gap:10px}
.layer-control{padding:11px 13px 8px}
.layer-control input[type=range]{height:44px;min-height:44px;appearance:none;-webkit-appearance:none;border:0;background:transparent;touch-action:pan-y;outline-offset:1px}
.layer-control input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:6px;background:#dce6df;box-shadow:inset 0 1px 2px #183d4212}
.layer-control input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:26px;height:26px;border-radius:50%;margin-top:-9px;background:var(--teal);border:4px solid var(--paper);box-shadow:0 0 0 1px #5f8e88,0 2px 5px #183d4224}
.layer-control input[type=range]::-moz-range-track{height:8px;border-radius:6px;background:#dce6df;box-shadow:inset 0 1px 2px #183d4212}
.layer-control input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--teal);border:4px solid var(--paper);box-shadow:0 0 0 1px #5f8e88,0 2px 5px #183d4224}
.layer-control input[type=range]::-moz-range-progress{height:8px;border-radius:6px;background:#93b6a7}
.layer-control output{font-size:12px;color:var(--teal);font-weight:550}
.range-ends{font-size:12px;line-height:1.6}
@media(max-width:600px){
 main{padding-left:10px;padding-right:10px}
 .visual-column{display:flex;flex-direction:column}
 .visual-column>.scene-heading{order:0;margin-bottom:10px;min-width:0}
 .visual-column>.stage-wrap{order:1;flex:none;width:100%}
 .visual-column>.cdv-mobile-dimensions{order:2;flex:none;width:100%}
 .visual-column>.layer-controls{order:3}
 .visual-column>.scene-switches{order:4}
 .visual-column>.scene-note{order:5}
 .visual-column>.track-summary{order:6;margin-top:12px;margin-bottom:0}
 .stage-wrap #stage{height:440px;height:clamp(380px,58svh,500px)}
 .view-tools{left:10px;top:10px;gap:5px}
 .view-tools button{font-size:12px;min-height:44px;padding:8px 11px}
 .cdv-scene-tools{top:60px;left:10px;right:auto;gap:6px;max-width:calc(100% - 20px)}
 .cdv-scene-tools button{min-height:44px;font-size:12px;padding:8px 11px}
 .cdv-interaction-hint{bottom:8px;font-size:10px;line-height:1.45}
 .cdv-mobile-dimensions{padding:9px;gap:6px}
 .cdv-mobile-dimensions>span,.cdv-mobile-dimensions>div{font-size:11px;padding:5px 8px}
 .layer-controls{margin-top:8px;grid-template-columns:minmax(0,1fr);gap:8px}
 .layer-control{padding:10px 12px 8px}
 .layer-control label{font-size:13px}
 .layer-control>div{margin-bottom:0}
 .scene-switches{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 8px}
 .scene-switches button{grid-column:1/-1}
}