:root{
  --blue:#0066cc;--blue-2:#087ce5;--green:#0a6a43;--navy:#07131d;--ink:#18212a;--muted:#67717d;
  --paper:#f2f4f5;--white:#fff;--line:#d9dfe3;--soft:#edf1f3;--danger:#bd3d37;
  --shadow:0 18px 48px rgba(5,18,29,.14);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Thai",Inter,Arial,sans-serif
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overscroll-behavior:none}
body{font-family:var(--font);font-size:14px;line-height:1.45;color:var(--ink);background:var(--navy);letter-spacing:-.012em;-webkit-font-smoothing:antialiased;overflow:hidden}
button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{text-decoration:none;color:inherit}
body[data-lang="en"] [data-th]{display:none!important}body[data-lang="th"] [data-en]{display:none!important}
svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.topbar{height:58px;position:fixed;inset:0 0 auto;z-index:40;display:flex;align-items:center;padding:0 18px 0 22px;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(9,28,43,.12);backdrop-filter:blur(18px) saturate(160%)}
.brand{height:100%;display:flex;align-items:center;gap:10px;padding-right:20px;border-right:1px solid var(--line)}
.brand-mark{width:28px;height:22px;display:grid;place-items:center;position:relative;color:#fff;font-size:7px;font-weight:800;letter-spacing:-.06em}
.brand-mark:before{content:"";position:absolute;inset:0;background:var(--green);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.brand-mark span{position:relative;z-index:1}.brand-name{font-weight:650;font-size:14px;white-space:nowrap}
.studio-title{display:flex;align-items:baseline;gap:9px;padding-left:20px}.studio-title b{font-size:15px}.studio-title span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn,.text-btn,.lang-btn{border:1px solid transparent;background:transparent;border-radius:9px;height:36px;cursor:pointer;transition:.18s ease}
.icon-btn{width:36px;display:grid;place-items:center}.icon-btn svg{width:18px}.icon-btn:hover,.text-btn:hover{background:var(--soft)}.icon-btn:disabled{opacity:.28;cursor:default}
.text-btn{padding:0 11px}.lang-btn{display:flex;align-items:center;gap:5px;border-color:var(--line);padding:0 12px;background:#fff;color:var(--muted)}.lang-btn b:first-child{color:var(--blue)}.lang-btn span{opacity:.45}
.primary,.secondary{border-radius:9px;min-height:42px;padding:10px 17px;border:1px solid transparent;font-weight:650;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .18s,background .18s,border-color .18s,color .18s}
.primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(0,102,204,.2)}.primary:hover{background:#0058b3;transform:translateY(-1px)}.primary.small{min-height:38px;border-radius:980px;padding:8px 17px}
.secondary{background:#fff;border-color:var(--line);color:var(--ink)}.secondary:hover{border-color:#98a4ad;background:#f9fafb}

.app-shell{position:fixed;inset:58px 0 0;height:calc(100dvh - 58px);min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 410px;grid-template-rows:minmax(0,1fr);overflow:hidden}
.viewport{position:relative;min-width:0;min-height:0;height:100%;overflow:hidden;background:radial-gradient(circle at 55% 40%,#26394a,#07131d 72%);isolation:isolate}
.viewport canvas{display:block;width:100%;height:100%;outline:none;touch-action:none}
.loading{position:absolute;inset:0;z-index:30;background:#07131d;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;transition:opacity .55s ease,visibility .55s}
.loading.done{opacity:0;visibility:hidden}.loading b{font-size:15px}.loading small{font-size:12px;color:#9aa8b5}.load-mark{display:flex;align-items:flex-end;gap:4px;height:32px;margin-bottom:12px}.load-mark i{display:block;width:5px;border-radius:4px;background:#1fa765;animation:loadbars 1s ease-in-out infinite}.load-mark i:nth-child(1){height:16px}.load-mark i:nth-child(2){height:28px;animation-delay:.12s}.load-mark i:nth-child(3){height:21px;animation-delay:.24s}@keyframes loadbars{50%{transform:scaleY(.55);opacity:.45}}
.stage-top{position:absolute;z-index:5;left:18px;right:18px;top:16px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.model-pill,.stage-tool,.view-tabs,.dimension-hud,.orbit-hint,.door-control,.fullscreen-btn{backdrop-filter:blur(16px) saturate(145%);-webkit-backdrop-filter:blur(16px) saturate(145%)}
.model-pill{display:flex;align-items:center;gap:8px;color:#eef5f8;background:rgba(5,17,26,.7);border:1px solid rgba(255,255,255,.14);border-radius:980px;padding:8px 12px;box-shadow:0 8px 26px rgba(0,0,0,.12)}
.model-pill b{font-size:11px;letter-spacing:.03em}.model-pill>span:last-child{color:#a9b5bf;font-size:10px;border-left:1px solid rgba(255,255,255,.2);padding-left:8px}.status-dot{width:7px;height:7px;border-radius:50%;background:#2bd283;box-shadow:0 0 0 4px rgba(43,210,131,.12)}
.stage-tool{pointer-events:auto;display:flex;align-items:center;gap:7px;color:#eaf1f5;background:rgba(5,17,26,.68);border:1px solid rgba(255,255,255,.15);border-radius:980px;padding:8px 12px;cursor:pointer}.stage-tool svg{width:16px;height:16px}.stage-tool:hover{background:rgba(20,42,58,.82)}
.view-tabs{position:absolute;z-index:7;left:50%;top:16px;transform:translateX(-50%);display:flex;padding:4px;background:rgba(5,17,26,.7);border:1px solid rgba(255,255,255,.15);border-radius:11px;box-shadow:0 8px 26px rgba(0,0,0,.12)}
.view-tabs button{border:0;background:transparent;color:#c4ced5;min-width:72px;padding:7px 12px;border-radius:8px;font-size:12px;cursor:pointer}.view-tabs button.active{background:#fff;color:#14202a;font-weight:650;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.dimension-hud{position:absolute;z-index:6;left:18px;top:67px;display:flex;background:rgba(5,17,26,.66);border:1px solid rgba(255,255,255,.13);border-radius:11px;color:#fff;overflow:hidden;transition:opacity .2s}
.dimension-hud>span{display:grid;grid-template-columns:auto auto;column-gap:4px;align-items:baseline;padding:8px 11px;border-right:1px solid rgba(255,255,255,.12)}.dimension-hud>span:last-child{border:0}.dimension-hud small{grid-column:1/-1;font-size:8px;color:#8fa2b0;letter-spacing:.12em}.dimension-hud b{font-size:12px}.dimension-hud i{font-size:8px;font-style:normal;color:#91a2af}
.plan-sheet{position:absolute;z-index:4;left:50%;top:52%;width:min(780px,86%);transform:translate(-50%,-50%) scale(.975);opacity:0;visibility:hidden;pointer-events:none;filter:drop-shadow(0 26px 55px rgba(0,0,0,.3));transition:opacity .25s ease,transform .35s ease,visibility .25s}
.plan-sheet.active{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.plan-sheet svg{display:block;width:100%;height:auto;max-height:76vh;border-radius:12px;background:#fff;stroke:none}.viewport.plan-active canvas{opacity:.16}.viewport canvas{transition:opacity .25s ease}.viewport.plan-active .door-control,.viewport.plan-active .orbit-hint{opacity:0;pointer-events:none}.viewport.plan-active .stage-tool{opacity:.5}
.stage-bottom{position:absolute;z-index:7;left:16px;right:16px;bottom:15px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}
.orbit-hint{display:flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid rgba(255,255,255,.12);background:rgba(5,17,26,.62);color:#c6d0d7;border-radius:980px;font-size:10.5px}.orbit-hint svg{width:15px;height:15px}
.door-control{pointer-events:auto;position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.2);background:rgba(5,17,26,.76);color:#fff;border-radius:980px;padding:10px 17px;font-size:12px;font-weight:650;cursor:pointer}.door-control:hover{background:rgba(17,43,59,.9)}
.door-icon{display:flex;width:16px;height:14px;gap:2px;border:1px solid #9fb0bc;padding:2px}.door-icon i{width:5px;background:#d9e1e6}.door-control.open .door-icon{justify-content:space-between}.door-control.open .door-icon i{width:3px}
.fullscreen-btn{pointer-events:auto;margin-left:auto;width:38px;height:38px;border-radius:9px;border:1px solid rgba(255,255,255,.14);background:rgba(5,17,26,.68);color:#fff;display:grid;place-items:center;cursor:pointer}.fullscreen-btn svg{width:18px;height:18px}

.config-panel{background:#fff;border-left:1px solid rgba(9,28,43,.14);min-width:0;min-height:0;height:100%;display:flex;flex-direction:column;box-shadow:-16px 0 44px rgba(5,18,29,.08);position:relative;z-index:10}
.steps{height:62px;flex:none;display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--line);padding:0 8px}
.steps button{position:relative;border:0;background:transparent;color:#87919a;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:9.5px;cursor:pointer}.steps button:after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:transparent}.steps button.active{color:var(--blue);font-weight:650}.steps button.active:after{background:var(--blue)}.steps i{width:20px;height:20px;border:1px solid #bbc4ca;border-radius:50%;display:grid;place-items:center;font-size:9px;font-style:normal}.steps button.active i{background:var(--blue);border-color:var(--blue);color:#fff}.steps button.complete i{background:#e3f4ec;border-color:#84c8a8;color:var(--green)}
.panel-scroll{flex:1;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:#c7ced3 transparent}.panel-scroll::-webkit-scrollbar{width:7px}.panel-scroll::-webkit-scrollbar-thumb{background:#c7ced3;border-radius:8px;border:2px solid #fff}
.step-page{display:none;padding:27px 23px 34px;animation:pagein .24s ease}.step-page.active{display:block}@keyframes pagein{from{opacity:0;transform:translateY(5px)}}
.step-head{margin-bottom:25px}.eyebrow{display:block;color:var(--green);font-size:10px;font-weight:750;letter-spacing:.1em;text-transform:uppercase}.step-head h1{font-size:28px;line-height:1.08;letter-spacing:-.04em;margin-top:7px}.step-head p{font-size:13px;color:var(--muted);line-height:1.55;margin-top:10px;max-width:42ch}
.field-group{margin-top:23px}.field-title{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.065em;font-weight:750;color:#59646e;margin-bottom:10px}.field-title.split{display:flex;align-items:center;justify-content:space-between}.field-title small{font-size:9px;font-weight:550;color:#98a1a8;letter-spacing:.04em}
.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.family-card{min-height:76px;border:1px solid var(--line);border-radius:11px;background:#fff;text-align:left;padding:10px;cursor:pointer;transition:.18s}.family-card:hover{border-color:#aeb9c1;transform:translateY(-1px)}.family-card.active{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 8px 20px rgba(0,102,204,.08)}.family-card i{font-style:normal;display:block;color:var(--blue);font-size:9px;font-weight:800;letter-spacing:.09em}.family-card b{display:block;font-size:12px;margin-top:7px;line-height:1.15}.family-card small{display:block;font-size:9px;color:var(--muted);margin-top:3px}
.model-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden}.model-option{border:0;border-bottom:1px solid var(--line);background:#fff;padding:12px 13px;display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:9px;text-align:left;cursor:pointer}.model-option:last-child{border-bottom:0}.model-option:hover{background:#f7f9fa}.model-option.active{background:#eff7ff}.radio{width:17px;height:17px;border:1.5px solid #aeb8bf;border-radius:50%;display:grid;place-items:center}.active .radio{border-color:var(--blue)}.active .radio:after{content:"";width:9px;height:9px;border-radius:50%;background:var(--blue)}.model-option b{font-size:12px}.model-option small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.model-option>span:last-child{text-align:right;font-size:10px;color:#52606b}.model-option>span:last-child b{display:block;font-size:11px;color:var(--ink)}
.model-facts{margin-top:14px;border-radius:12px;background:var(--navy);color:#fff;padding:15px;display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.model-facts>div{min-width:0}.model-facts small{display:block;color:#8194a3;font-size:8px;text-transform:uppercase;letter-spacing:.08em}.model-facts b{display:block;font-size:11px;margin-top:4px;word-break:break-word}.source-chip{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:10px!important;color:#b7c4cd!important;display:flex!important;align-items:center;gap:6px}.source-chip:before{content:"";width:6px;height:6px;border-radius:50%;background:#2bd283}.source-chip.preliminary:before{background:#f0b84c}
.diagram-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.diagram-card,.choice-card{border:1px solid var(--line);border-radius:11px;background:#fff;padding:11px;cursor:pointer;text-align:left;transition:.18s}.diagram-card:hover,.choice-card:hover{border-color:#a9b5be}.diagram-card.active,.choice-card.active{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.mini-plan{height:58px;background:#f3f5f6;border-radius:7px;position:relative;overflow:hidden;margin-bottom:8px}.mini-plan:before{content:"";position:absolute;left:24%;right:24%;top:14px;bottom:10px;border:2px solid #81909b;background:#fff}.mini-plan i{position:absolute;left:36%;right:36%;height:5px;background:var(--blue);top:9px}.diagram-card[data-id="through"] .mini-plan i:last-child{display:block;top:auto;bottom:5px}.diagram-card b,.choice-card b{font-size:11px;display:block}.diagram-card small,.choice-card small{font-size:9px;color:var(--muted);display:block;margin-top:3px;line-height:1.35}
.seg-options{display:flex;border:1px solid var(--line);border-radius:10px;padding:3px;background:#f4f6f7;gap:3px}.seg-options button{flex:1;border:0;background:transparent;border-radius:7px;padding:8px 7px;font-size:11px;color:#63707a;cursor:pointer}.seg-options button.active{background:#fff;color:var(--ink);font-weight:650;box-shadow:0 2px 7px rgba(11,28,41,.12)}
.choice-grid{display:grid;gap:8px}.choice-grid.two{grid-template-columns:1fr 1fr}.choice-grid.three{grid-template-columns:repeat(3,1fr)}.choice-card{min-height:65px}.choice-card .choice-icon{display:flex;align-items:center;justify-content:center;height:28px;color:var(--blue);font-weight:800;font-size:10px;letter-spacing:.06em;background:#edf5fc;border-radius:6px;margin-bottom:8px}.choice-card.active .choice-icon{background:var(--blue);color:#fff}
.range-group{padding:13px 14px;border:1px solid var(--line);border-radius:11px}.range-label{display:flex;align-items:center;justify-content:space-between}.range-label label{font-size:11px;font-weight:650}.range-label output{font-size:12px;font-weight:750;color:var(--blue);background:#eaf4fd;padding:4px 8px;border-radius:6px}.range-group input{width:100%;accent-color:var(--blue);margin-top:13px}.range-scale{display:flex;justify-content:space-between;font-size:8px;color:#97a0a7;margin-top:2px}
.drawing-note{margin-top:23px;background:#eef6f2;border:1px solid #cfe7db;border-radius:12px;padding:13px;display:flex;gap:10px}.drawing-note svg{width:19px;height:19px;color:var(--green);flex:none}.drawing-note b{font-size:11px}.drawing-note p{font-size:10px;color:#607069;line-height:1.45;margin-top:3px}
.collection-list{display:grid;gap:8px}.collection-card{position:relative;min-height:79px;border:1px solid var(--line);border-radius:11px;background:#fff;padding:12px 12px 12px 77px;text-align:left;cursor:pointer;overflow:hidden}.collection-card:before{content:"";position:absolute;inset:0 auto 0 0;width:62px;background:var(--sample)}.collection-card b{display:block;font-size:12px}.collection-card small{display:block;font-size:9.5px;color:var(--muted);margin-top:4px;line-height:1.35}.collection-card.active{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.collection-card.active:after{content:"✓";position:absolute;right:10px;top:10px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:10px}
.finish-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.finish-card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px;cursor:pointer;text-align:left}.finish-card:hover{border-color:#a8b4bd}.finish-card.active{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.finish-swatch{height:38px;border-radius:6px;background:var(--sample);box-shadow:inset 0 0 0 1px rgba(0,0,0,.07)}.finish-card b{display:block;font-size:10px;margin-top:7px}.finish-card small{display:block;font-size:8px;color:var(--muted);margin-top:1px}
.toggle-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:14px 0}.toggle-row b{font-size:12px;display:block}.toggle-row small{display:block;color:var(--muted);font-size:9.5px;margin-top:2px}.switch{width:44px;height:25px;border:0;border-radius:980px;background:#cfd5d9;padding:2px;cursor:pointer;transition:.2s}.switch i{display:block;width:21px;height:21px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.22);transition:.2s}.switch.on{background:var(--green)}.switch.on i{transform:translateX(19px)}
.project-field{display:block;border:1px solid var(--line);border-radius:11px;padding:10px 12px}.project-field span{display:block;font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700}.project-field input{border:0;outline:0;width:100%;font-weight:650;font-size:14px;margin-top:5px;color:var(--ink)}
.review-card{margin-top:14px;background:var(--navy);color:#fff;border-radius:14px;padding:16px}.review-title{display:flex;align-items:center;gap:11px}.review-title>div{flex:1}.review-title small{display:block;color:#8ea0ad;font-size:8px;text-transform:uppercase;letter-spacing:.08em}.review-title h2{font-size:16px;margin-top:2px}.review-id{font-size:9px;color:#8fa1ae;border:1px solid rgba(255,255,255,.16);padding:5px 7px;border-radius:5px}.review-specs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:15px;border-top:1px solid rgba(255,255,255,.12)}.review-specs>div{padding:10px 8px 8px 0;border-bottom:1px solid rgba(255,255,255,.1)}.review-specs small{display:block;color:#7f919f;font-size:8px;text-transform:uppercase;letter-spacing:.06em}.review-specs b{display:block;font-size:10px;margin-top:3px}
.drawing-card{margin-top:14px;border:1px solid var(--line);border-radius:14px;overflow:hidden}.drawing-preview{height:180px;background:#e9eef1;overflow:hidden;position:relative}.drawing-preview img{width:100%;height:100%;object-fit:cover;object-position:top}.drawing-preview:after{content:"";position:absolute;inset:auto 0 0;height:30%;background:linear-gradient(transparent,rgba(4,16,25,.13));pointer-events:none}.drawing-info{padding:14px}.drawing-info h3{font-size:14px;margin-top:5px}.drawing-info p{color:var(--muted);font-size:10px;line-height:1.5;margin-top:5px}.drawing-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}.drawing-actions .secondary{min-height:34px;padding:7px 10px;font-size:10px}.text-link{border:0;background:transparent;color:var(--blue);font-size:10px;font-weight:650;cursor:pointer;padding:6px}
.planning-warning{border-left:3px solid #e6a62a;background:#fff8e8;padding:12px 13px;margin-top:14px;border-radius:0 10px 10px 0}.planning-warning b{font-size:10px}.planning-warning p{font-size:9px;color:#746747;line-height:1.45;margin-top:3px}.review-actions{display:grid;gap:8px;margin-top:16px}.review-actions button{width:100%}
.panel-footer{height:68px;flex:none;border-top:1px solid var(--line);display:grid;grid-template-columns:92px 1fr 112px;align-items:center;gap:8px;padding:10px 14px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px)}.panel-footer .primary,.panel-footer .secondary{min-height:42px;font-size:11px}.panel-footer button:disabled{opacity:.35;pointer-events:none}.step-status{text-align:center;color:var(--muted);font-size:9.5px}
.mobile-grab{display:none}

.drawing-modal{width:min(1100px,94vw);height:min(780px,92vh);border:0;border-radius:14px;padding:0;box-shadow:0 32px 100px rgba(0,0,0,.34);overflow:hidden}.drawing-modal::backdrop{background:rgba(4,13,20,.76);backdrop-filter:blur(6px)}.modal-bar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.modal-bar b{display:block;font-size:14px;margin-top:2px}.modal-bar button{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:23px;cursor:pointer}.drawing-modal>img{width:100%;height:calc(100% - 64px);object-fit:contain;background:#dfe5e8;padding:16px}
.toast{position:fixed;z-index:100;left:50%;bottom:25px;transform:translate(-50%,20px);background:#0b1b27;color:#fff;padding:10px 15px;border-radius:980px;font-size:11px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.25s}.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

@media(max-width:1120px){.app-shell{grid-template-columns:minmax(0,1fr) 370px}.view-tabs{top:auto;bottom:64px}.model-pill>span:last-child{display:none}.dimension-hud{top:62px}.family-grid{grid-template-columns:1fr 1fr}}
@media(max-width:780px){
  body{overflow:auto;background:#fff;overscroll-behavior:auto}.topbar{height:52px;padding:0 11px}.brand{padding-right:10px;border:0}.brand-name{font-size:13px}.studio-title{display:none}.top-actions{gap:3px}.top-actions .icon-btn,.top-actions .primary{display:none}.top-actions .text-btn{display:block;height:32px;padding:0 7px;font-size:11px}.lang-btn{height:34px;padding:0 9px}
  .app-shell{position:relative;inset:auto;height:auto;min-height:0;padding-top:52px;display:block;overflow:visible}.viewport{height:55vh;min-height:410px;position:sticky;top:52px;z-index:1}.config-panel{position:relative;height:auto;z-index:4;border:0;border-radius:18px 18px 0 0;margin-top:-16px;min-height:70vh;box-shadow:0 -14px 35px rgba(4,16,25,.18)}
  .mobile-grab{display:block;width:42px;height:4px;background:#c7cdd1;border-radius:980px;margin:8px auto 0}.steps{height:58px}.steps button{font-size:8.5px}.steps i{width:18px;height:18px}.panel-scroll{overflow:visible}.step-page{padding:24px 18px 30px}.panel-footer{position:sticky;bottom:0;z-index:5}.stage-top{left:10px;right:10px;top:10px}.model-pill{padding:7px 9px}.stage-tool{padding:7px 9px}.view-tabs{top:auto;bottom:72px}.view-tabs button{min-width:auto;padding:7px 10px}.dimension-hud{left:10px;top:52px}.orbit-hint{display:none}.stage-bottom{left:10px;right:10px;bottom:25px}.door-control{padding:9px 13px}.plan-sheet{width:calc(100% - 18px);top:48%}.plan-sheet svg{max-height:62vh}.family-grid{grid-template-columns:repeat(3,1fr)}.drawing-modal{width:96vw;height:calc(68vw + 64px);max-height:88vh}.drawing-modal>img{padding:8px}.toast{bottom:82px;white-space:nowrap}
}
@media(max-width:780px){.stage-bottom{bottom:38px}.view-tabs{bottom:84px}}
@media(max-width:420px){.family-grid{grid-template-columns:1fr 1fr}.choice-grid.three{grid-template-columns:1fr}.step-head h1{font-size:25px}.view-tabs button{font-size:10px;padding:7px 8px}.dimension-hud>span{padding:7px 8px}.fullscreen-btn{display:none}.panel-footer{grid-template-columns:80px 1fr 102px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}