:root{--bg: #16181b;--panel: #ffffff;--ink: #22262b;--muted: #6e7479;--accent: #e63329;--line: rgba(0, 0, 0, .1);--radius: 10px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Arial,sans-serif;font-size:14px;color:var(--ink);background:var(--bg);overflow:hidden}button{font:inherit;cursor:pointer}.app{height:100%;display:flex;flex-direction:column}.topbar{height:52px;flex:0 0 52px;display:flex;align-items:center;gap:18px;padding:0 14px;background:#1e2126;color:#e9eaec;border-bottom:1px solid #000;z-index:30}.burger{width:34px;height:34px;display:grid;gap:4px;align-content:center;background:none;border:0;padding:6px}.burger span{display:block;height:2px;background:#e9eaec;border-radius:2px}.brand{display:flex;flex-direction:column;line-height:1.15}.brand strong{letter-spacing:.06em}.brand span{font-size:11px;color:#9aa0a6}.topbar nav,.levels,.io{display:flex;gap:6px}.viewSwitch{margin-left:auto}.topbar button:not(.burger){background:#2a2e34;border:1px solid #3a3f46;color:#d7dade;border-radius:999px;padding:6px 14px}.topbar button.on{background:var(--accent);border-color:var(--accent);color:#fff}.topbar button.previewBtn{border-style:dashed}.topbar button.previewBtn.on{background:var(--accent);border-color:var(--accent);color:#fff}.demoPick{background:#2a2e34;border:1px solid #3a3f46;color:#d7dade;border-radius:999px;padding:6px 10px;max-width:220px}.stage{position:relative;flex:1;min-height:0}.stage canvas{display:block}.sidebar{position:absolute;top:52px;bottom:0;left:0;width:320px;background:#fffffff7;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-right:1px solid var(--line);transform:translate(-101%);transition:transform .22s ease;z-index:25;display:flex;flex-direction:column}.sidebar.open{transform:none}.sidebarHead{display:flex;gap:8px;padding:12px;border-bottom:1px solid var(--line)}.sidebarHead input{flex:1;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit}.ghost{background:none;border:0;font-size:16px;color:var(--muted)}.tree{overflow:auto;padding:6px 0 40px}.branchHead{width:100%;display:flex;align-items:center;gap:8px;background:none;border:0;padding:9px 14px;text-align:left;border-bottom:1px solid rgba(0,0,0,.05)}.branchHead.d0{font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:12px}.branchHead.d1{padding-left:26px;color:#3c4147}.branchHead.d2{padding-left:38px;color:var(--muted);font-size:13px}.chev{display:inline-block;transition:transform .15s;color:var(--accent)}.chev.on{transform:rotate(90deg)}.branchName{flex:1}.badge{font-size:11px;color:var(--muted);background:#0000000f;border-radius:999px;padding:1px 7px}.leaf{width:100%;text-align:left;background:none;border:0;padding:7px 14px 7px 50px;color:#4a4f55}.leaf:hover{background:#e6332914}.leaf.on{background:var(--accent);color:#fff}.info{position:absolute;top:68px;right:16px;width:320px;max-height:calc(100% - 100px);background:var(--panel);border-radius:var(--radius);box-shadow:0 12px 40px #00000059;overflow:hidden;display:flex;flex-direction:column;z-index:20}.info header{background:var(--accent);color:#fff;display:flex;align-items:center;padding:10px 14px}.info header h2{margin:0;font-size:16px;font-weight:600;flex:1}.info header button{background:none;border:0;color:#fff;font-size:15px}.infoSub{background:#dedbd7;padding:6px 14px;font-size:12px;color:#4c5157}.infoBody{padding:12px 14px 18px;overflow:auto}.infoBody h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:16px 0 6px}.infoBody p{margin:0;line-height:1.45}.infoBody dl{margin:0;display:grid;gap:4px}.infoBody dl>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dotted var(--line);padding:3px 0}.infoBody dt{color:var(--muted)}.infoBody dd{margin:0;font-variant-numeric:tabular-nums;font-weight:600}.services{display:flex;flex-wrap:wrap;gap:6px;font-size:18px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#4c5157}.props{position:absolute;top:68px;right:16px;width:320px;max-height:calc(100% - 100px);overflow:auto;background:var(--panel);border-radius:var(--radius);box-shadow:0 12px 40px #00000059;padding:14px;z-index:20}.props.empty{color:var(--muted)}.props h3{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 8px}.props h3:first-child{margin-top:0}.props label{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}.props input,.props select{width:100%;margin-top:3px;padding:6px 8px;border:1px solid var(--line);border-radius:7px;font:inherit;color:var(--ink)}.props input[type=range]{padding:0}.props .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.props .danger{width:100%;margin-top:10px;background:#fff;color:var(--accent);border:1px solid var(--accent);border-radius:8px;padding:8px}.toolbar{position:absolute;right:16px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:22}.toolbar button{width:44px;height:44px;border-radius:50%;border:0;background:#26292ed9;color:#f0f1f2;font-size:16px;box-shadow:0 4px 14px #0000004d}.toolbar button.on{background:var(--accent)}.toolbar button.wide{font-weight:700;font-size:14px}.toolbar button.peg{cursor:grab;touch-action:none;font-size:20px}.toolbar button.peg:active{cursor:grabbing}.toolbar button.peg:disabled{background:#26292e61;color:#f0f1f259;cursor:not-allowed;box-shadow:none}.pegGhost{position:fixed;z-index:60;transform:translate(-50%,-85%);font-size:30px;pointer-events:none;filter:drop-shadow(0 3px 5px rgba(0,0,0,.45)) grayscale(1) opacity(.55)}.pegGhost.ok{filter:drop-shadow(0 4px 7px rgba(0,0,0,.5))}.toolbar button.compass{position:relative}.toolbar .compass .needle{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:22px;line-height:1;color:var(--accent);transition:transform .18s ease-out}.toolbar .compass b{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:10px;padding-top:15px;color:#f0f1f2}.tag{transform:translate(-50%,-50%);background:#ffffffeb;border-left:2px solid var(--accent);padding:2px 6px;border-radius:3px;font-size:10px;font-weight:600;white-space:nowrap;cursor:pointer;box-shadow:0 1px 5px #00000038;display:grid;line-height:1.2}.tag span{color:var(--muted);font-size:8.5px;font-weight:500}.tag-on{background:var(--accent);color:#fff}.tag-on span{color:#ffffffd9}.tag-ghost{background:#ffffff9e;border-left-color:#787e85bf;color:#5b6169;box-shadow:0 1px 4px #0000001f}.tag-ghost:hover{background:#fffffff5;color:#1c1f23}.editor{position:absolute;top:0;right:0;bottom:0;left:0;background:#f4f2ef}.plan{width:100%;height:100%;display:block;touch-action:none}.plan-draw{cursor:crosshair}.plan .grid{stroke:#d9d5d0;stroke-width:1}.plan .axis{stroke:#b3aca4;stroke-width:1.5}.plan .handle{fill:#fff;stroke:var(--accent);stroke-width:2;cursor:move}.planLabel{fill:#4c5157;font-size:11px;text-anchor:middle;dominant-baseline:middle;pointer-events:none}.stairBand{stroke:#78684e4d;fill:none;stroke-linejoin:round;stroke-linecap:butt;cursor:pointer}.stairMark.on .stairBand{stroke:#e6332952}.stairLine{stroke:#6d5f47;stroke-width:1.5;fill:none;stroke-dasharray:6 3;pointer-events:none}.stairTick{stroke:#8a7c62;stroke-width:1;pointer-events:none}.stairMark.on .stairLine,.stairMark.on .stairTick{stroke:var(--accent)}.stairDraft{stroke:var(--accent);stroke-width:2;fill:none;stroke-dasharray:7 4;pointer-events:none}.stairKnob{fill:#fff;stroke:#6d5f47;stroke-width:2;cursor:move}.stairKnob.start{stroke:#2e7d32}.stairKnob.end{stroke:#1565c0}.stairKnob.turn{stroke:#ef6c00}.magnet circle{fill:none;stroke:var(--accent);stroke-width:2;pointer-events:none}.magnet text{fill:var(--accent);font-size:10px;font-weight:700;pointer-events:none}.magnet-grid circle{stroke:#8a8f95;stroke-dasharray:3 3}.magnet-grid text{fill:#8a8f95}.props .metrics{display:grid;gap:4px;font-size:12px}.props .metrics div{display:flex;justify-content:space-between;gap:12px}.props .metrics span{color:#6d7075}.props .metrics b.warn{color:var(--accent)}.editorHud{position:absolute;left:16px;bottom:16px;background:#fffffff2;border-radius:var(--radius);box-shadow:0 8px 26px #0003;padding:10px 12px;display:grid;gap:8px;max-width:min(760px,calc(100% - 380px))}.hud3d{z-index:6;max-width:min(860px,calc(100% - 380px))}.miniMap{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:24;background:#fffffff0;border-radius:10px;box-shadow:0 8px 26px #00000047;padding:6px 8px 8px}.miniMapHead{display:flex;justify-content:space-between;gap:14px;font-size:11px;padding:0 2px 4px}.miniMapHead span{font-weight:700;color:#2c2f33}.miniMapHead em{color:#8a8f95;font-style:normal}.miniMap svg{display:block;cursor:crosshair;border-radius:6px;background:#eef0f2}.miniMap .mmEl{stroke:#6b6f75;stroke-width:.8}.miniMap .mmGhost{fill:none;stroke:#c3c7cc;stroke-width:.7;stroke-dasharray:3 2}.miniMap .mmStair{fill:none;stroke:#8a7c62;stroke-width:1.4;stroke-dasharray:3 2}.miniMap .mmDot{fill:var(--accent);stroke:#fff;stroke-width:1.4}.miniMap .mmCone{fill:#e633294d}.miniMap .mmExit{display:block;width:100%;margin-top:6px;padding:6px 10px;border:1px solid var(--line);border-radius:7px;background:#2a2e34;color:#f0f1f2;font-size:12px}.miniMap .mmExit:hover{background:var(--accent);border-color:var(--accent)}.configList{display:grid;gap:6px}.configList button{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#f6f4f1;text-align:left}.configList button.on{border-color:var(--accent);background:#fdeeec}.configList button small{color:#8a8f95}.tourEnter.mp{margin-top:6px}.cloudRow{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--line)}.cloudRow .cloudName{flex:1;display:flex;flex-direction:column;line-height:1.25}.cloudRow small{color:#8a8f95;font-size:11px}.cloudRow button{padding:4px 12px}.opening{border-top:1px dashed var(--line);padding-top:8px;margin-top:4px;display:grid;gap:6px}.danger.small{padding:4px 10px;font-size:12px;align-self:end}.hudRow{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.hudRow button{background:#eceae7;border:1px solid var(--line);border-radius:999px;padding:5px 12px}.hudRow button.on{background:var(--accent);border-color:var(--accent);color:#fff}.hudRow .sep{width:1px;height:18px;background:var(--line)}.hint{color:var(--muted);font-size:12px}.readout{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#4c5157;gap:14px}.readout .live{color:var(--accent)}.crash{position:absolute;top:0;right:0;bottom:0;left:0;background:#fff;color:#b00;padding:24px;overflow:auto;font-family:ui-monospace,Menlo,monospace}.crash pre{white-space:pre-wrap}.crash .small{font-size:11px;color:#666}.tour{position:absolute;top:0;right:0;bottom:0;left:0;background:#000}.tour iframe{width:100%;height:100%;border:0;display:block}.tourPanel{position:absolute;top:16px;left:16px;width:240px;background:#fffffff5;border-radius:var(--radius);box-shadow:0 12px 40px #0006;overflow:hidden}.tourPanelHead{background:var(--accent);color:#fff;font-weight:600;padding:9px 12px}.tourRow{display:flex;border-bottom:1px solid var(--line)}.tourRow.on .tourGo{background:#e633291f;font-weight:700}.tourGo{flex:1;text-align:left;background:none;border:0;padding:10px 12px;color:var(--ink)}.tourGo:disabled{color:var(--muted);cursor:default}.tourBack{background:none;border:0;border-left:1px solid var(--line);padding:0 10px;color:var(--accent);font-size:12px;white-space:nowrap}.tourBack:hover{background:#e633291a}.tourStatus{padding:7px 12px;font-size:11px;color:var(--muted)}.tourExit{position:absolute;top:16px;right:16px;background:#26292ee6;color:#fff;border:0;border-radius:999px;padding:9px 16px;box-shadow:0 4px 14px #00000059}.tourExit:hover{background:var(--accent)}.tourEmpty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;gap:8px;color:#d7dade;text-align:center}.tourEmpty button{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:9px 16px}.tourEnter{width:100%;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 10px;margin-bottom:12px;font-weight:600}.tourEnter:hover{filter:brightness(1.08)}.modalBack{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:grid;place-items:center;z-index:60}.modal{width:min(560px,calc(100vw - 40px));max-height:calc(100vh - 80px);overflow:auto;background:var(--panel);border-radius:var(--radius);box-shadow:0 18px 60px #00000080;padding:0 18px 18px}.modal header{display:flex;align-items:center;justify-content:space-between;padding:14px 0 6px}.modal header h2{margin:0;font-size:17px}.modal header button{background:none;border:0;font-size:16px;color:var(--muted)}.modal h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 6px}.modal label{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}.modal input{width:100%;margin-top:3px;padding:7px 9px;border:1px solid var(--line);border-radius:7px;font:inherit;color:var(--ink)}.modal .check{display:flex;align-items:center;gap:8px;color:var(--ink)}.modal .check input{width:auto;margin:0}.modal .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.modal .row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.modalHint{font-size:12px;color:var(--muted);margin:4px 0 10px;line-height:1.4}.modalHint code{background:#0000000f;padding:1px 4px;border-radius:4px}.alignHud{position:absolute;left:50%;bottom:22px;transform:translate(-50%);display:flex;align-items:center;gap:16px;background:#fffffff5;border-radius:999px;box-shadow:0 10px 34px #00000059;padding:10px 18px;z-index:40;white-space:nowrap}.alignHud span{color:var(--muted);font-size:12px}.alignHud kbd{background:#eceae7;border:1px solid var(--line);border-radius:4px;padding:0 5px;font-family:inherit}.alignHud .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#4c5157}.alignHud button{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:7px 14px;font-weight:600}.alignBtn{width:100%;background:#fff;color:var(--accent);border:1px solid var(--accent);border-radius:8px;padding:8px 10px;margin:2px 0 12px;font-weight:600}.alignBtn:disabled{color:var(--muted);border-color:var(--line);cursor:default}.modal .check em{color:var(--muted);font-style:normal;font-size:11px}.modal .checkOff{color:var(--muted)}.walkPad{position:absolute;left:50%;bottom:20px;transform:translate(-50%);display:grid;justify-items:center;gap:10px;z-index:24;-webkit-user-select:none;user-select:none}.walkHint{background:#26292ed9;color:#d7dade;font-size:12px;border-radius:999px;padding:6px 14px;white-space:nowrap}.walkHint kbd{background:#ffffff24;border-radius:4px;padding:0 5px;font-family:inherit}.walkGrid{display:grid;grid-template-columns:repeat(3,54px);gap:8px}.walkGrid button{height:54px;border:0;border-radius:12px;background:#26292ee0;color:#f0f1f2;font-size:20px;box-shadow:0 4px 14px #00000059;touch-action:none}.walkGrid button:active{background:var(--accent)}.walkGrid .walkExit{background:#e63329e6;font-size:16px}.topbar .levels button.lifted{border-color:#fff;color:#fff}.hs{width:34px;height:34px;border-radius:50%;border:2px solid #fff;background:#e63329eb;font-size:16px;display:grid;place-items:center;box-shadow:0 3px 12px #0006;transform:translateZ(0)}.hs:hover{transform:scale(1.15)}.hsCard{position:fixed;left:50%;bottom:90px;transform:translate(-50%);width:min(380px,calc(100vw - 40px));background:var(--panel);border-radius:var(--radius);box-shadow:0 14px 44px #0006;z-index:45;overflow:hidden}.hsCard header{display:flex;align-items:center;gap:10px;background:var(--accent);color:#fff;padding:10px 14px}.hsCard header h2{margin:0;font-size:15px;flex:1}.hsCard header button{background:none;border:0;color:#fff}.hsCard .hsIcon{font-size:18px}.hsCard p{margin:0;padding:12px 14px 14px;line-height:1.45}.propMark circle{fill:#fff;stroke:#7a5a3a;stroke-width:1.5;cursor:move}.propMark text{font-size:11px;text-anchor:middle;dominant-baseline:central;pointer-events:none}.propMark.on circle{stroke:var(--accent);stroke-width:2.5}.propMark .arrowMark{fill:#e63329d9;stroke:#a02018;stroke-width:1;cursor:move}.propMark.on .arrowMark{stroke:#000;stroke-width:1.5}.hsMark circle{fill:var(--accent);stroke:#fff;stroke-width:2;cursor:move}.hsMark text{font-size:11px;text-anchor:middle;dominant-baseline:central;pointer-events:none}.hsMark.on circle{stroke:#000}.palette button{display:flex;align-items:center;gap:5px}.palette .glyph{font-size:14px}.iconGrid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-bottom:10px}.iconGrid button{font-size:16px;padding:6px 0;border:1px solid var(--line);border-radius:7px;background:#fff}.iconGrid button.on{border-color:var(--accent);background:#e633291a}.tourTools{position:absolute;right:16px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:22}.tourTools button{width:44px;height:44px;border-radius:50%;border:0;background:#26292ed9;color:#f0f1f2;font-weight:700;font-size:14px;box-shadow:0 4px 14px #0000004d}.tourTools button:hover{background:var(--accent)}.floorBar{position:absolute;left:14px;top:50%;transform:translateY(-50%);z-index:12;display:flex;flex-direction:column;gap:4px;padding:8px;border-radius:12px;background:#181a1cd1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:0 6px 20px #0000004d;max-width:132px}.floorBarHead{color:#ffffff9e;font-size:10px;text-transform:uppercase;letter-spacing:.04em;padding:2px 4px 4px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.floorBtn{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:6px;padding:6px 8px;border:0;border-radius:8px;background:transparent;color:#e8eaec;cursor:pointer;text-align:left;font:inherit}.floorBtn:hover{background:#ffffff1a}.floorBtn b{font-size:15px;text-align:center}.floorBtn span{color:#ffffff8c;font-size:10px}.floorBtn-on{background:var(--accent)}.floorBtn-on span{color:#ffffffd9}.layoutBar{position:absolute;left:50%;bottom:18px;transform:translate(-50%);display:flex;align-items:stretch;gap:6px;padding:6px;background:#fffffff0;border-radius:12px;box-shadow:0 6px 22px #0000002e;z-index:6;max-width:min(680px,74vw);flex-wrap:wrap;justify-content:center}.layoutBarHead{display:flex;flex-direction:column;justify-content:center;padding:2px 10px 2px 6px;font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-right:1px solid rgba(0,0,0,.09)}.layoutBarHead b{font-size:12px;text-transform:none;letter-spacing:0;color:#1c1f23}.layoutBtn{display:grid;gap:1px;padding:6px 12px;border:1px solid rgba(0,0,0,.1);border-radius:8px;background:#fff;cursor:pointer;text-align:left;line-height:1.25;transition:background .15s,border-color .15s}.layoutBtn:hover{background:#f3f1ee}.layoutBtn b{font-size:12px;font-weight:650}.layoutBtn span{font-size:9.5px;color:var(--muted)}.layoutBtn-on{background:var(--accent);border-color:var(--accent);color:#fff}.layoutBtn-on span{color:#ffffffd9}.layoutBtn-on:hover{background:var(--accent)}.shareOpts{display:flex;gap:8px;margin-bottom:10px}.shareOpts button{flex:1;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff}.shareOpts button.on{background:var(--accent);border-color:var(--accent);color:#fff}.shareCheck{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:8px}.shareCheck small{color:var(--muted)}.shareUrl{display:flex;gap:8px;margin-bottom:10px}.shareUrl input{flex:1;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f7f6f4}.shareUrl .alignBtn{width:auto;margin:0;white-space:nowrap}.sheetContact{margin-top:6px;font-size:12px;color:var(--muted)}.sheetContact a{color:var(--accent);text-decoration:none}.sheetContact a:hover{text-decoration:underline}.sheetPdf{display:block;margin-top:10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#f7f6f4;color:var(--ink);text-decoration:none;font-size:13px;text-align:center}.sheetPdf:hover{background:#efece8;border-color:#0000002e}