:root{--ink:#1b2027;--ink-2:#4a525d;--ink-3:#7d8691;--line:#dde1e6;--line-2:#eceef1;--surface:#fff;--surface-2:#f6f7f9;--chrome:#1d232b;--chrome-2:#2a313b;--chrome-ink:#e8ecf1;--accent:#1f6feb;--accent-ink:#fff;--accent-soft:#e7f0fe;--warn:#e8590c;--radius:6px;--font:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Consolas, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{font:13px/1.4 var(--font);color:var(--ink);background:var(--surface-2);-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}#app{grid-template:"top top top"46px"tools views panel"1fr"status status status"28px/64px 1fr 288px;height:100vh;display:grid}.topbar{background:var(--chrome);color:var(--chrome-ink);border-bottom:1px solid #000;grid-area:top;align-items:center;gap:10px;padding:0 10px;display:flex}.brand{align-items:center;gap:8px;padding-right:6px;display:flex}.brand-mark{background:linear-gradient(135deg, transparent 46%, #fff 46% 54%, transparent 54%), var(--accent);border-radius:5px;width:22px;height:22px}.brand-name{letter-spacing:.02em;font-weight:700}.brand-tag{color:#9aa5b1;border:1px solid #3a434e;border-radius:10px;padding:0 7px;font-size:11px}.project-name{border-radius:var(--radius);width:190px;color:var(--chrome-ink);background:0 0;border:1px solid #0000;padding:4px 8px}.project-name:hover{border-color:#3a434e}.project-name:focus{border-color:var(--accent);background:var(--chrome-2);outline:none}.tb-group{gap:2px;display:flex}.topbar button{border-radius:var(--radius);color:var(--chrome-ink);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;padding:5px 10px}.topbar button:hover:not(:disabled){background:var(--chrome-2)}.topbar button:disabled{opacity:.35;cursor:default}.topbar button.icon{padding:5px 7px}.topbar button svg{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px;display:block}.topbar .seg{background:#11161c;border-radius:8px;padding:2px}.topbar .seg button.active{background:var(--chrome-2);box-shadow:inset 0 0 0 1px #46505c}.topbar button.primary{background:var(--accent);color:var(--accent-ink)}.topbar button.primary:hover{background:#1a62d3}.spacer{flex:1}.toolbox{background:var(--surface);border-right:1px solid var(--line);flex-direction:column;grid-area:tools;gap:4px;padding:8px 6px;display:flex}.toolbox button{cursor:pointer;color:var(--ink-2);background:0 0;border:1px solid #0000;border-radius:8px;flex-direction:column;align-items:center;gap:2px;padding:7px 2px 5px;display:flex;position:relative}.toolbox button:hover{background:var(--surface-2);color:var(--ink)}.toolbox button.active{background:var(--accent-soft);color:var(--accent);border-color:#b9d2fb}.toolbox svg{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linejoin:round;stroke-linecap:round;width:22px;height:22px}.toolbox span{font-size:10.5px}.toolbox kbd{font:9px var(--mono);color:var(--ink-3);position:absolute;top:2px;right:4px}.views{background:var(--line);grid-area:views;gap:1px;min-width:0;min-height:0;display:grid}.views[data-mode=split]{grid-template-columns:1fr 1fr}.views[data-mode=plan]{grid-template-columns:1fr 0}.views[data-mode="3d"]{grid-template-columns:0 1fr}.views[data-mode=plan] .pane-3d,.views[data-mode="3d"] .pane-plan{visibility:hidden}.pane{background:#fff;min-width:0;min-height:0;position:relative;overflow:hidden}.view-canvas{touch-action:none;outline:none;width:100%;height:100%;display:block;position:absolute;inset:0}.pane-plan .view-canvas{cursor:crosshair}.pane-plan.own-cursor .view-canvas{cursor:none}.pane-plan.panning .view-canvas{cursor:grabbing}.pane-label{z-index:2;pointer-events:none;letter-spacing:.03em;color:var(--ink-2);border:1px solid var(--line);background:#ffffffe0;border-radius:4px;padding:2px 7px;font-size:11px;font-weight:600;position:absolute;top:8px;left:10px}.pane-tools{z-index:2;color:var(--ink-2);border:1px solid var(--line);background:#ffffffe6;border-radius:4px;gap:8px;padding:2px 8px;font-size:11.5px;display:flex;position:absolute;top:8px;right:10px}.pane-tools label{cursor:pointer;align-items:center;gap:5px;display:flex}.pane-tools input{margin:0}.pane-link{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}.pane-link:hover{color:var(--accent)}.pane-popover{background:var(--surface);border:1px solid var(--line);border-radius:6px;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;width:220px;padding:10px 12px;display:grid;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 8px 24px #0000001f}.pane-popover[hidden]{display:none}.pane-popover input[type=range]{width:100%;accent-color:var(--accent)}.pane-popover output{font:11.5px var(--mono);text-align:right;min-width:38px}.numeric{z-index:3;pointer-events:none;background:var(--ink);color:#fff;font:600 13px var(--mono);border-radius:4px;align-items:center;gap:4px;padding:4px;display:flex;position:absolute;transform:translate(14px,14px);box-shadow:0 4px 14px #0000002e}.dim-field{background:#ffffff14;border:1px solid #0000;border-radius:3px;align-items:baseline;gap:5px;padding:2px 6px;display:flex}.dim-field b{font:600 10px var(--font);color:#8f9aa6}.dim-field .v{text-align:right;min-width:44px}.dim-field small{font:500 10px var(--font);color:#aeb7c2}.dim-field.locked{background:#1f6feb59}.dim-field.editing{color:var(--ink);border-color:var(--accent);background:#fff}.dim-field.editing b,.dim-field.editing small{color:var(--ink-3)}.dim-field.fresh .v{background:#cfe0fc}.dim-field .caret{background:var(--ink);vertical-align:-1px;width:1px;height:12px;margin-left:1px;animation:1s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.dim-hint{font:500 10px var(--font);color:#aeb7c2;white-space:nowrap;padding:0 4px}.panel{background:var(--surface);border-left:1px solid var(--line);grid-area:panel;overflow-y:auto}.panel section{border-bottom:1px solid var(--line-2);padding:12px 14px 14px}.panel h2{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:8px;margin:0 0 10px;font-size:11px;font-weight:700;display:flex}.panel h2 .pill{text-transform:none;letter-spacing:0;color:var(--accent);background:var(--accent-soft);border-radius:10px;padding:1px 7px;font-weight:600}.field{grid-template-columns:1fr 112px;align-items:center;gap:8px;margin-bottom:6px;display:grid}.field label{color:var(--ink-2)}.field .input-wrap{position:relative}.field input,.field select{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-align:right;width:100%;height:28px;font-family:var(--mono);padding:0 26px 0 8px;font-size:12.5px}.field select{text-align:left;font-family:var(--font);padding:0 6px}.field .unit{color:var(--ink-3);pointer-events:none;font-size:11px;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.field input:disabled{background:var(--surface-2);color:var(--ink-3)}.btn-row{gap:6px;margin-top:10px;display:flex}.btn{border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);cursor:pointer;flex:1;height:30px}.btn:hover{background:var(--surface-2)}.btn.danger{color:#c92a2a}.btn.danger:hover{background:#fff5f5;border-color:#ffc9c9}.note{color:var(--ink-3);margin:6px 0 0;font-size:12px}table.qty{border-collapse:collapse;width:100%;font-size:12px}table.qty td{border-bottom:1px solid var(--line-2);padding:4px 0}table.qty td:last-child{text-align:right;font-family:var(--mono)}table.qty tr:last-child td{border-bottom:0}.check{color:var(--ink-2);align-items:center;gap:8px;margin:4px 0;display:flex}.kbd-list{color:var(--ink-2);grid-template-columns:max-content 1fr;align-items:start;gap:3px 10px;font-size:12px;display:grid}.kbd-list kbd{font:11px var(--mono);background:var(--surface-2);border:1px solid var(--line);color:var(--ink);white-space:nowrap;border-radius:3px;justify-self:start;padding:0 5px}.statusbar{background:var(--surface);border-top:1px solid var(--line);color:var(--ink-2);grid-area:status;align-items:center;gap:14px;padding:0 12px;font-size:12px;display:flex}.statusbar .hint{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.mono{font-family:var(--mono);font-size:11.5px}.badge{color:#1e7b45;background:#e6f6ec;border-radius:10px;padding:1px 8px;font-size:11px;font-weight:600}.badge.fallback{color:#b35000;background:#fff4e6}.toast{opacity:0;pointer-events:none;background:var(--ink);color:#fff;border-radius:8px;max-width:80vw;padding:8px 14px;font-size:13px;transition:opacity .18s,transform .18s;position:fixed;bottom:44px;left:50%;transform:translate(-50%,20px);box-shadow:0 8px 24px #0003}.toast.show{opacity:1;transform:translate(-50%)}.toast.error{background:#c92a2a}@media (max-width:1100px){#app{grid-template-columns:58px 1fr 240px}.brand-tag,.project-name{display:none}}.snapbar{align-items:center;display:flex;position:relative}.snap-btn{background:var(--surface-2);border:1px solid var(--line);height:22px;color:var(--ink);cursor:pointer;border-radius:5px;align-items:center;gap:5px;padding:0 8px;font-size:12px;display:flex}.snap-btn:hover,.snap-btn[aria-expanded=true]{background:var(--accent-soft);border-color:#b9d2fb}.snap-btn svg{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px}.snap-btn .chev{width:9px;height:9px;color:var(--ink-3)}.snap-btn.off{color:var(--ink-3);background:#fff4e6;border-color:#ffd8a8}.snap-menu{z-index:20;background:var(--surface);border:1px solid var(--line);border-radius:8px;width:248px;padding:6px 0;font-size:12.5px;position:absolute;bottom:calc(100% + 8px);right:0;box-shadow:0 12px 32px #00000029}.snap-menu[hidden]{display:none}.snap-menu h3{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin:6px 12px 4px;font-size:10.5px;font-weight:700}.snap-row{cursor:pointer;color:var(--ink);grid-template-columns:16px 18px 1fr auto;align-items:center;gap:8px;padding:4px 12px;display:grid}.snap-row:hover{background:var(--surface-2)}.snap-row input{accent-color:var(--accent);margin:0}.snap-row .ico{width:16px;height:16px}.snap-row .ico *{fill:none;stroke-width:1.5px}.snap-row kbd{font:10px var(--mono);color:var(--ink-3)}.snap-row select{border:1px solid var(--line);background:var(--surface);border-radius:4px;height:22px;padding:0 2px;font-size:11.5px}.snap-menu.all-off .snap-row:not(.master){opacity:.45}.snap-menu hr{border:0;border-top:1px solid var(--line-2);margin:6px 0}.snap-menu .snap-foot{justify-content:space-between;padding:2px 12px 4px;display:flex}.snap-menu .linkbtn{font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:0;padding:0;font-size:11.5px}.sheet{z-index:30;background:var(--surface);border-left:1px solid var(--line);flex-direction:column;width:320px;display:flex;position:fixed;top:46px;bottom:28px;right:0;box-shadow:-12px 0 32px #0000001a}.sheet-head{border-bottom:1px solid var(--line-2);justify-content:space-between;align-items:center;padding:12px 14px 10px;display:flex}.sheet-head h2{margin:0;font-size:14px;font-weight:700}.sheet-head .icon-x{width:28px;height:28px;color:var(--ink-2);cursor:pointer;background:0 0;border:0;border-radius:6px;font-size:20px;line-height:1}.sheet-head .icon-x:hover{background:var(--surface-2)}.sheet-body{flex:1;overflow-y:auto}.sheet-group{border-bottom:1px solid var(--line-2);padding:10px 14px 12px}.sheet-group h3{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin:0 0 8px;font-size:10.5px;font-weight:700}.sheet-row{grid-template-columns:1fr auto;align-items:center;gap:4px 10px;margin-bottom:8px;display:grid}.sheet-row>label{color:var(--ink-2)}.sheet-row select,.sheet-row input[type=number]{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);height:28px;padding:0 6px;font-size:12.5px}.sheet-row select:focus,.sheet-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.sheet-row input[type=color]{border:1px solid var(--line);background:var(--surface);border-radius:5px;width:44px;height:26px;padding:1px}.sheet-hint{color:var(--ink-3);grid-column:1/-1;margin:0;font-size:11.5px}.num-unit{align-items:center;gap:5px;display:flex}.num-unit input{text-align:right;width:64px;font-family:var(--mono)}.num-unit span{color:var(--ink-3);font-size:11px}.seg-ctl{background:var(--surface-2);border:1px solid var(--line);border-radius:7px;gap:2px;padding:2px;display:inline-flex}.seg-ctl button{color:var(--ink-2);cursor:pointer;background:0 0;border:0;border-radius:5px;align-items:center;padding:3px 9px;font-size:12px;display:flex}.seg-ctl button.on{background:var(--surface);color:var(--accent);box-shadow:0 0 0 1px #b9d2fb}.sheet-check{margin:4px 0 6px}.sheet-check label{color:var(--ink-2);cursor:pointer;align-items:center;gap:8px;display:flex}.sheet-check .sheet-hint{margin:2px 0 0 24px}.sheet-btns{margin-top:8px}.sheet-btns .btn{width:100%}.sheet-foot{border-top:1px solid var(--line);gap:6px;padding:10px 14px;display:flex}.sheet-foot .btn{flex:1;padding:0 6px;font-size:12px}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover{background:#1a62d3}.btn-link{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-size:12px}.btn.primary-soft{background:var(--accent-soft);color:var(--accent);border-color:#b9d2fb;font-weight:600}.btn.primary-soft:hover{background:#dbe7fd}.field .seg-ctl{justify-self:end}