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0 52px}#chainDone{position:absolute;bottom:18px;left:50%;transform:translate(-50%);min-height:44px;min-width:96px;padding:0 18px;border-radius:99px;font-weight:600;font-size:18.2px;background:var(--accent);color:var(--on-accent, #fff);border:0;box-shadow:0 4px 14px #00000040;cursor:pointer;z-index:6}#chainDone[hidden]{display:none}#chainDone:hover{filter:brightness(1.06)}#chainDone:active{transform:translate(-50%) scale(.97)}#extDist.muted{opacity:.55}#gizmoLabel.thru::placeholder{color:inherit;opacity:.9}#buildBusy{position:absolute;right:14px;bottom:14px;padding:7px 14px 7px 32px;border-radius:99px;font-size:15.6px;font-weight:600;color:var(--text-1, inherit);z-index:5;pointer-events:none}#buildBusy[hidden]{display:none}#buildBusy:before{content:"";position:absolute;left:12px;top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;border:2px solid var(--accent);border-right-color:transparent;animation:bbspin .8s linear infinite}@keyframes 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.ph,#sheetBar{display:none}html[data-phone]{--barH:52px;--tbH:60px;--sheetH:min(46vh,420px);--safeB:env(safe-area-inset-bottom,0px)}html[data-phone][data-skin] body{padding:6px;gap:6px;grid-template-rows:56px 1fr 0}html[data-phone][data-skin] .top,html[data-phone][data-skin] #tools,html[data-phone][data-skin] .tree,html[data-phone][data-skin] .props,html[data-phone][data-skin] #hud,html[data-phone][data-skin] .flyout,html[data-phone][data-skin] #tips{zoom:1}html[data-phone][data-skin] .top.glass{height:56px;border-radius:28px;padding:0 6px;gap:2px;overflow:hidden}html[data-phone][data-skin] .top>*{flex:none}html[data-phone][data-skin] .top .logo .wm,html[data-phone][data-skin] .top .logo small,html[data-phone][data-skin] .top .logo .app{display:none}html[data-phone][data-skin] .top .logo .mark{width:34px;height:34px}html[data-phone][data-skin] .top .docname{flex:1 1 auto;min-width:48px;width:auto;min-height:44px;font-size:19.5px}html[data-phone][data-skin] .top .sp{display:none}html[data-phone][data-skin] .top button{min-height:44px;min-width:44px;padding:0 8px;font-size:19.5px}html[data-phone][data-skin] .top .bl{display:none}html[data-phone][data-skin] #leftBtn,html[data-phone][data-skin] #rightBtn,html[data-phone][data-skin] #histBtn,html[data-phone][data-skin] #newBtn,html[data-phone][data-skin] #openBtn,html[data-phone][data-skin] #saveBtn,html[data-phone][data-skin] #genBtn,html[data-phone][data-skin] #skinBtn,html[data-phone][data-skin] #themeBtn,html[data-phone][data-skin] #stlBtn{display:none!important}html[data-phone][data-skin] .splitBtn>button#exportMore{border-radius:22px!important;padding:0 14px!important;margin:0}#exportMore .phl{display:none}html[data-phone] #exportMore .phl{display:inline;font-weight:600}html[data-phone][data-skin] .splitBtn>button#exportMore{min-width:84px!important}html[data-phone][data-skin] #exportFly .ph{display:flex}html[data-phone][data-skin] .flyout button{height:48px;font-size:19.5px}html[data-phone][data-skin] #status{display:none}html[data-phone][data-skin] main{grid-template-columns:minmax(0,1fr)!important;gap:0;position:relative}html[data-phone][data-skin] main>#view{grid-column:1;grid-row:1;border-radius:22px}html[data-phone][data-skin] main>.tree,html[data-phone][data-skin] main>.props{display:none!important}html[data-phone][data-skin][data-sheet=tree] main>aside.tree,html[data-phone][data-skin][data-sheet=props] main>aside.props{display:block!important;position:fixed;left:6px;right:6px;width:auto!important;top:auto;bottom:calc(var(--barH) + var(--safeB) + 8px);height:var(--sheetH);max-height:none;z-index:45;overflow:auto;border-radius:22px 22px 14px 14px;background:var(--surface-solid);box-shadow:0 -12px 30px -14px #00000080;padding:14px 14px 18px}html[data-phone] #sheetBar{display:flex;position:fixed;left:6px;right:6px;bottom:calc(6px + var(--safeB));height:var(--barH);z-index:46;gap:6px;padding:4px;border-radius:26px;background:var(--surface-solid)}html[data-phone] #sheetBar button{flex:1;min-height:44px;border-radius:22px;border:0;background:transparent;font-weight:600;font-size:19.5px;color:var(--muted)}html[data-phone] #sheetBar button[aria-selected=true]{background:var(--accent-soft);color:var(--accent-ink)}html[data-phone] #sheetBar #sheetGrip{flex:0 0 48px;font-size:26px;display:none}html[data-phone][data-sheet] #sheetBar #sheetGrip{display:block}html[data-phone][data-skin] .tree button,html[data-phone][data-skin] .props button,html[data-phone][data-skin] .props select,html[data-phone][data-skin] .props input:not([type=checkbox]):not([type=range]){min-height:44px}html[data-phone][data-skin] #features li{min-height:48px}html[data-phone][data-skin] #features li button{min-width:44px;min-height:44px}html[data-phone][data-skin] .props input[type=number]{font-size:20.8px}html[data-phone][data-skin] #tools.rail2{position:fixed;left:6px;right:6px;top:auto;bottom:calc(var(--barH) + var(--safeB) + 10px);height:var(--tbH);flex-direction:row;align-items:center;justify-content:flex-start;gap:6px;overflow-x:auto;overflow-y:hidden;z-index:44;scrollbar-width:none;padding:0 2px}html[data-phone][data-skin][data-sheet] #tools.rail2{bottom:calc(var(--barH) + var(--safeB) + 14px + var(--sheetH))}html[data-phone][data-skin] #tools.rail2::-webkit-scrollbar{display:none}html[data-phone][data-skin] .rail2 .rgroup{flex-direction:row;flex:none;padding:4px;border-radius:28px}html[data-phone][data-skin] .rail2 .rspace{display:none}html[data-phone][data-skin] .rail2>.rgroup>.ri{min-width:48px;height:48px;border-radius:999px;justify-content:center;padding:0}html[data-phone][data-skin] .rail2 .ri .chip{display:none!important}html[data-phone][data-skin] #view:has(#tools.rail2) #cv{margin-left:0!important;width:100%!important}html[data-phone][data-skin] #view:has(#tools.rail2) #hud{left:10px;right:10px;top:10px}html[data-phone][data-skin] #chainDone{bottom:calc(var(--barH) + var(--tbH) + 30px);position:fixed}html[data-phone][data-skin] #buildBusy{position:fixed;bottom:auto;top:70px}html[data-phone][data-skin] #toast{bottom:calc(var(--barH) + var(--tbH) + 24px)}html[data-phone][data-skin] #tips{left:8px!important;right:8px!important;width:auto!important;max-width:none}html[data-phone][data-skin] #ctxMenu button{min-height:48px}html[data-phone][data-skin] #histPanel{left:8px;right:8px;width:auto}html[data-phone][data-skin] main>#view{margin-bottom:calc(var(--barH) + var(--tbH) + 16px + var(--safeB))}html[data-phone][data-skin][data-sheet] main>#view{margin-bottom:calc(var(--barH) + var(--tbH) + 20px + var(--safeB) + var(--sheetH))}#primLayer{position:absolute;inset:0;pointer-events:none;z-index:4;overflow:hidden}#primLayer .primH{position:absolute;left:0;top:0;pointer-events:auto;margin:-11px 0 0 -11px;padding:0;min-width:0;min-height:0;width:22px;height:22px;border-radius:50%;border:0;background:transparent;cursor:grab;touch-action:none}#primLayer .primH:before{content:"";position:absolute;inset:-11px;border-radius:50%}#primLayer .primH i{position:absolute;inset:3px;border-radius:50%;background:var(--surface-solid);border:3px solid var(--accent);box-shadow:0 2px 8px #00000059}#primLayer .primH span{position:absolute;left:24px;top:50%;transform:translateY(-50%);padding:2px 7px;border-radius:99px;font:600 14.95px/1.3 var(--font-ui,Inter,system-ui);background:color-mix(in srgb,var(--surface-solid) 88%,transparent);border:1px solid var(--line-2);color:var(--text);white-space:nowrap;pointer-events:none}#primLayer .primH:hover i,#primLayer .primH.drag i{background:var(--accent)}#primLayer .primH.drag{cursor:grabbing}@media (pointer:coarse){#primLayer .primH{width:28px;height:28px;margin:-14px 0 0 -14px}#primLayer .primH:before{inset:-10px}}#emptyCard{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;width:min(440px,calc(100% - 32px));padding:18px 18px 14px;text-align:center;background:var(--surface-solid)}#emptyCard[hidden]{display:none}#emptyCard h3{margin:0 0 2px;font-size:23.4px;text-transform:none;letter-spacing:-.01em;color:var(--text)}#emptyCard .hint{margin:0 0 12px}#emptyCard .ecBtns{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}#emptyCard .ecBtns button{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:84px;padding:10px 4px;border-radius:14px;white-space:normal}#emptyCard .ecBtns b{font-size:28.6px;line-height:1;color:var(--accent-ink,var(--accent))}#emptyCard .ecBtns span{font-weight:700}#emptyCard .ecBtns small{font-size:14.3px;color:var(--muted)}#emptyCard .link{margin-top:10px;border:0;background:transparent;color:var(--accent-ink,var(--accent));font-weight:600;min-height:44px}#emptyCard .kload{margin-top:8px;font-size:15.6px;color:var(--muted)}#emptyCard .kload[hidden]{display:none}#emptyCard .kload i{display:block;height:6px;border-radius:3px;margin-bottom:6px;background:linear-gradient(90deg,var(--accent) var(--p,5%),var(--line) var(--p,5%))}html[data-phone] #emptyCard .ecBtns{grid-template-columns:repeat(2,1fr)}#unitChip{position:absolute;right:12px;top:12px;z-index:3;padding:3px 9px;border-radius:99px;font:700 14.3px/1.4 var(--font-ui,Inter,system-ui);letter-spacing:.04em;color:var(--muted);background:color-mix(in srgb,var(--surface-solid) 80%,transparent);border:1px solid var(--line);pointer-events:none}html[data-density=compact] #unitChip{zoom:.85}#uStat{margin-left:auto;color:var(--muted)}#ctxBar{position:absolute;left:50%;bottom:14px;transform:translate(-50%);z-index:6;display:flex;gap:4px;padding:5px;border-radius:99px;background:var(--surface-solid);max-width:calc(100% - 24px);overflow-x:auto;scrollbar-width:none}#ctxBar[hidden]{display:none}#ctxBar button{border:0;background:transparent;border-radius:99px;min-height:36px;padding:0 12px;font-weight:600;white-space:nowrap}#ctxBar button:hover{background:var(--accent-soft)}#ctxBar button:first-child{background:var(--accent);color:var(--on-accent,#fff)}html[data-density=compact] #ctxBar{zoom:.85}@media (pointer:coarse){#ctxBar button{min-height:44px;font-size:19.5px}}html[data-phone][data-skin] #ctxBar{position:fixed;zoom:1;bottom:calc(var(--barH) + var(--tbH) + 18px + var(--safeB));left:6px;right:6px;transform:none;max-width:none;justify-content:flex-start}html[data-phone][data-skin][data-sheet] #ctxBar{bottom:calc(var(--barH) + var(--tbH) + 22px + var(--safeB) + var(--sheetH))}html[data-phone][data-skin] #ctxBar button{min-height:44px;flex:none}#tut{position:absolute;left:50%;top:14px;transform:translate(-50%);z-index:7;width:min(420px,calc(100% - 24px));padding:12px 14px;background:var(--surface-solid);box-shadow:0 14px 40px -16px #0000008c}#tut[hidden]{display:none}#tut .tutHead{display:flex;align-items:center;gap:10px}#tut .tutHead b{font-size:18.2px}#tut p{margin:6px 0 10px;font-size:16.9px;line-height:1.45;color:var(--text-2,var(--text))}#tut .dots{display:flex;gap:4px}#tut .dots i{width:8px;height:8px;border-radius:50%;background:var(--line-2)}#tut .dots i.cur{background:var(--accent)}#tut .dots i.ok{background:var(--ok,#3c3)}#tut .tutBtns{display:flex;justify-content:flex-end;gap:8px}#tut .tutBtns button{min-height:36px}@media (pointer:coarse){#tut .tutBtns button{min-height:44px}}html[data-density=compact] #tut{zoom:.85}html[data-phone][data-skin] #tut{zoom:1;top:10px}#view:has(#tut:not([hidden])) #emptyCard{top:62%}html[data-phone] #view:has(#tut:not([hidden])) #emptyCard{display:none}#snapCue{position:absolute;left:0;top:0;z-index:6;pointer-events:none;padding:3px 9px;border-radius:99px;font:700 14.95px/1.3 var(--font-ui,Inter,system-ui);white-space:nowrap;color:#fff;background:var(--sk-cons,#1d5fe0);box-shadow:0 3px 10px #0000004d}#snapCue[hidden]{display:none}#snapCue:before{content:"";position:absolute;left:-14px;top:30px;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;border:2px solid var(--sk-cons,#1d5fe0);background:var(--surface-solid)}#snapCue[data-kind=midpoint]:before{border-radius:2px;transform:rotate(45deg)}#snapCue[data-kind=perpendicular]{background:var(--sk-sel,#d93650)}#snapCue[data-kind=perpendicular]:before{border-color:var(--sk-sel,#d93650)}#snapCue[data-kind=centre]{background:var(--sk-pt,#f06a2a)}#snapCue[data-kind=centre]:before{border-color:var(--sk-pt,#f06a2a)}#lenBtn{position:absolute;bottom:18px;left:calc(50% + 62px);min-height:44px;min-width:56px;padding:0 12px;border-radius:99px;font:700 18.2px/1 var(--font-ui,Inter,system-ui);background:var(--surface-solid);color:var(--text);border:1px solid var(--line,rgba(127,127,127,.35));box-shadow:0 4px 14px #0000002e;z-index:7}#lenBtn[hidden],#lenType[hidden]{display:none}#lenType{position:absolute;left:0;top:0;z-index:8;width:150px;height:34px;padding:0 10px;border-radius:10px;font:600 18.2px/1 var(--font-ui,Inter,system-ui);background:var(--surface-solid);color:var(--text);border:2px solid var(--accent);box-shadow:0 6px 18px #00000038;outline:none}#lenType.bad{border-color:#d93650}@media (pointer:coarse){#lenType{height:44px;font-size:20.8px}}html[data-phone][data-skin] #lenBtn{position:fixed;bottom:calc(var(--barH) + var(--tbH) + 30px)}html[data-phone][data-land]{--landW:min(340px,42vw);--tbH:0px}html[data-phone][data-land][data-skin] #tools.rail2{position:absolute;inset:8px auto 8px 8px;height:auto;width:auto;flex-direction:column;align-items:stretch;overflow-x:hidden;overflow-y:auto;padding:0;z-index:44}html[data-phone][data-land][data-skin][data-sheet] #tools.rail2{bottom:8px}html[data-phone][data-land][data-skin] .rail2 .rgroup{flex-direction:column;flex:none}html[data-phone][data-land][data-skin] .rail2>.rgroup>.ri{min-width:44px;height:44px}html[data-phone][data-land][data-skin] main>#view,html[data-phone][data-land][data-skin][data-sheet] main>#view{margin-bottom:0}html[data-phone][data-land][data-skin][data-sheet] main>#view{margin-right:calc(var(--landW) + 8px)}html[data-phone][data-land][data-skin] #view:has(#tools.rail2) #hud{left:70px;right:10px}html[data-phone][data-land] #sheetBar{left:auto;right:6px;width:var(--landW);bottom:calc(6px + var(--safeB))}html[data-phone][data-land][data-skin][data-sheet=tree] main>aside.tree,html[data-phone][data-land][data-skin][data-sheet=props] main>aside.props{left:auto;right:6px;width:var(--landW)!important;top:68px;bottom:calc(var(--barH) + var(--safeB) + 12px);height:auto;border-radius:22px}html[data-phone][data-land][data-skin] #ctxBar{left:70px;right:calc(var(--landW) + 14px);bottom:calc(10px + var(--safeB))}html[data-phone][data-land][data-skin] #chainDone,html[data-phone][data-land][data-skin] #lenBtn{bottom:calc(14px + var(--safeB))}html[data-phone][data-land][data-skin] #chainDone{left:calc(50% - var(--landW) / 2)}html[data-phone][data-land][data-skin] #lenBtn{left:calc(50% - var(--landW) / 2 + 62px)}html[data-phone][data-land][data-skin] #toast{bottom:calc(var(--barH) + 16px)}html[data-phone][data-skin] #ctxBar button{min-width:44px}#snapCue[data-kind=tangent]{background:#0f9d8a}#snapCue[data-kind=tangent]:before{border-color:#0f9d8a}#emptyCard .ecTpl{margin-top:12px}#emptyCard .ecTpl small{display:block;font-size:14.3px;color:var(--muted);margin-bottom:6px}#emptyCard .ecTpl div{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}#emptyCard .ecTpl button{min-height:40px;padding:0 12px;border-radius:99px;font-weight:600;white-space:nowrap}#emptyCard .ecTpl button b{color:var(--accent-ink,var(--accent))}@media (pointer:coarse){#emptyCard .ecTpl button{min-height:44px}}html[data-phone] #emptyCard .ecTpl button{min-height:44px}.ptable{display:flex;flex-direction:column;gap:4px;margin:8px 0 12px}.prow{display:grid;grid-template-columns:minmax(72px,1fr) minmax(90px,1.4fr) auto auto auto;gap:4px;align-items:center}.prow .pname,.prow .pval{min-height:36px;padding:0 8px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:600 16.9px/1 var(--font-ui,Inter,system-ui);width:100%}.prow .pres{font:600 15.6px/1 var(--font-ui,Inter,system-ui);color:var(--muted);white-space:nowrap}.prow .puse{font:600 14.3px/1 var(--font-ui,Inter,system-ui);color:var(--accent-ink,var(--accent));min-width:22px;text-align:center}.pcfg{margin-top:14px;padding-top:10px;border-top:1px solid var(--line)}.pcfg h4{margin:0 0 4px;font-size:16.9px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.perr{margin:10px 0;padding:8px 10px;border-radius:10px;background:color-mix(in srgb,#d93650 12%,transparent);border:1px solid #d93650;font-size:15.6px}.perr b{display:block;margin-bottom:4px;color:#d93650}input.linked{border-color:var(--accent)!important;background:color-mix(in srgb,var(--accent) 10%,var(--surface))!important}input.linked:focus{outline:2px solid var(--accent)}@media (pointer:coarse){.prow .pname,.prow .pval{min-height:44px}}#props select{max-width:100%}.bodyrow .sheetTag{color:var(--accent-ink,var(--accent));font-weight:600}.flatPreview{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px;margin:8px 0;color:var(--text)}.flatPreview svg{width:100%;height:auto;max-height:260px;display:block}.flatSize{margin:6px 0;font-size:16.9px}#flatCheck.ok{color:#2f9e5b}#flatCheck.warn{color:#d93650}.bendrow{font-size:15.6px;padding:2px 0}#drawBar{display:flex;flex-direction:column;gap:6px;margin:6px 0}#drawBar .chips button.on{background:var(--accent);color:#fff;border-color:var(--accent)}#drawBar .drawForm{flex-wrap:wrap;gap:6px 10px;align-items:end}#drawBar .drawForm input{min-width:110px}#drawPrev{cursor:crosshair}@media (pointer:coarse){#drawBar button{min-height:44px}}#features li.inGroup{padding-left:22px}#features li.subrow .ic{color:#6aa9e8}#features li.steprow .ic{font-weight:700;min-width:1.2em;text-align:center}#features li.clashrow.ok .ic{color:#2f9e44}#features li.clashrow.err .ic{color:#e0242c}#tools #stepT{accent-color:#f08a55}#props .importCard{border:1px solid var(--line, rgba(127,127,127,.3));border-radius:10px;padding:8px 10px;margin:8px 0}#props .importCard h4{margin:0 0 6px;font-size:15.6px;text-transform:uppercase;letter-spacing:.04em;opacity:.75}#props .importCard .irow{display:flex;justify-content:space-between;gap:8px;font-size:16.25px;padding:2px 0}#props .importCard .irow b{font-weight:600;text-align:right}#props .importCard .irow.iok b{color:#2f9e44}#props .importCard .irow.ibad b{color:#e0435c}#features li small.ftime{margin-left:6px;font-variant-numeric:tabular-nums;opacity:.7;white-space:nowrap}#features li small.ftime.cached{opacity:.4}#features li small.ftime.slow{color:#e8a33a;opacity:1;font-weight:600}dialog.filesDlg{max-width:min(560px,94vw);width:560px;border-radius:14px;padding:18px 20px}dialog.filesDlg h2{margin:0 0 8px;font-size:1.05rem}dialog.filesDlg h3{margin:14px 0 6px;font-size:.9rem}.flist{display:flex;flex-direction:column;gap:4px;max-height:32vh;overflow:auto}.frow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 8px;border-radius:8px;background:color-mix(in srgb,currentColor 5%,transparent)}.frow small{opacity:.7}.frow button{min-height:32px}.fwarn{padding:8px 10px;border-radius:8px;background:color-mix(in srgb,#f5a623 18%,transparent)}ul.fprob{padding-left:18px;max-height:40vh;overflow:auto}ul.fprob li.error{color:var(--danger, #d33)}ul.fprob li.warning{opacity:.85}@media (pointer: coarse){.frow button,dialog.filesDlg .chips button{min-height:44px}}html[data-skin] :focus-visible{outline:3px solid var(--ring,var(--accent));outline-offset:2px}html[data-skin] input:not([type=checkbox]):not([type=range]):focus-visible{box-shadow:0 0 0 3px var(--ring,var(--accent))}#ctxBar button:first-child{background:var(--fill,var(--accent))}#features li small.ftime,#features li small.ftime.cached{opacity:1;color:var(--muted)}#features li small.ftime.cached{font-style:italic}#features li small.ftime.slow{color:var(--slow,#e8a33a)}html[data-skin] #features li.sel .ic{color:var(--accent-ink,var(--accent))}.logo .app em{opacity:1}html[data-skin=ember][data-theme=light]{--slow:#8a5100;--muted:#6b5444;--accent-ink:#a8420a;--grad:linear-gradient(180deg,#c2500a,#a8420a);--fill:#b84a08}html[data-skin=ember][data-theme=dark]{--muted:#c2b09f}html[data-skin=minimal][data-theme=light]{--slow:#8a5100;--ok:#16702c;--muted:#5f5f64;--accent-ink:#005bb5;--grad:#0071e3;--fill:#0071e3;--ring:#0071e3}html[data-skin=minimal][data-theme=dark]{--muted:#a8a8ad;--accent-ink:#64b5ff;--grad:#0071e3;--fill:#0071e3}html[data-skin=peach][data-theme=light]{--slow:#8a5100;--muted:#6f5246;--accent-ink:#a33f12;--on-accent:#2a120a;--ring:#c84f16}html[data-skin=peach][data-theme=dark]{--muted:#c4ac9f;--on-accent:#2a120a}html[data-skin] .flyout:not([hidden]),html[data-skin] .rfly:not([hidden]){z-index:72}html[data-phone]:not([data-land])[data-skin] .rail2 .rgroup:has(>.ri:nth-child(9)){display:flex}html[data-phone]:not([data-land])[data-skin] #view:has(.rail2 .rgroup>.ri:nth-child(9)) #cv{margin-left:0;width:100%}.tipNav span{opacity:1;color:var(--muted)}