:root{color:#263343;background:#eef1f5;font-family:Segoe UI,Microsoft YaHei,system-ui,sans-serif;font-size:13px}*{box-sizing:border-box}[hidden]{display:none!important}body{flex-direction:column;height:100dvh;margin:0;display:flex;overflow:hidden}button,input,select{font:inherit}button{color:inherit;cursor:pointer;background:#f8fafc;border:1px solid #b9c5d2;border-radius:3px;padding:5px 8px}button:hover:not(:disabled){background:#e4eefb;border-color:#7fa3cd}button:focus-visible{outline-offset:1px;outline:2px solid #397fc2}button:disabled{opacity:.42;cursor:default}button[aria-pressed=true],button[aria-selected=true]{color:#164d83;background:#d9e9fb;border-color:#6f9ed2}.app-title{background:#edf2f8;border-bottom:1px solid #c6d1dd;flex-shrink:0;align-items:center;gap:12px;height:32px;padding:0 12px;display:flex}h1{margin:0;font-size:15px;font-weight:600}.app-title span{color:#6a7989}.header-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.header-actions button{background:0 0;border-color:#0000;padding:2px 6px;font-size:12px}.app-title a{color:#366b9e;text-decoration:none}.menu{background:#fafbfd;border:1px solid #a9b7c7;border-radius:3px;min-width:210px;padding:4px;box-shadow:2px 4px 12px #23344733}.menu button{text-align:left;white-space:nowrap;background:0 0;border-color:#0000;justify-content:space-between;align-items:center;gap:24px;width:100%;padding:6px 10px;display:flex}.menu button span{color:#738396;font-size:11px}.menu hr{border:0;border-top:1px solid #d4dce6;margin:4px 6px}.top-tools{background:#f2f5f9;border-bottom:1px solid #b7c4d3;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;min-height:44px;padding:4px 8px;display:flex}.tool-group{border-right:1px solid #c7d0dc;gap:2px;padding-right:8px;display:flex}.top-tools button{background:0 0;border-color:#0000;align-items:center;gap:4px;height:32px;padding:4px 6px;display:flex}.tool-icon{flex-shrink:0;width:22px;height:22px}.local-note{color:#6b7c8f;white-space:nowrap;margin-left:auto;font-size:11px}main{--modeling-left-default:280px;grid-template-columns:var(--modeling-left-width,var(--modeling-left-default)) 7px minmax(0, 1fr) 132px;flex:1;min-height:0;display:grid;overflow:hidden}aside{background:#f8fafc;border-right:1px solid #adbccc;flex-direction:column;min-height:0;display:flex}.dock-title{background:#dce5ef;border-bottom:1px solid #bccad8;flex-shrink:0;align-items:center;gap:6px;min-height:27px;padding:4px 8px;font-weight:600;display:flex}.dock-title span{color:#5e7286;margin-left:auto;font-size:11px;font-weight:400}.tree-dock{height:var(--modeling-project-height,156px);border-bottom:1px solid #aebccd;flex-direction:column;flex-shrink:0;min-height:88px;display:flex}.dock-tabs{background:#eaf0f7;gap:2px;padding:3px 4px;display:flex}.dock-tabs button{background:0 0;border-color:#0000;border-radius:2px;padding:4px 12px}[role=tabpanel]{flex:1;min-height:0;overflow:auto}#project-tree{padding:8px 6px;line-height:25px}.tree-root{font-weight:600}.tree-branch{padding-left:16px}#tree-model{text-align:left;background:0 0;border:1px solid #0000;width:calc(100% - 29px);margin-left:29px;padding:3px 7px;display:block}#tree-model[aria-selected=true]{background:#d9e9fb;border-color:#94b6da}#tree-empty{color:#8a96a4;margin-left:33px;font-size:12px}#history-list{margin:0;padding:4px;list-style:none}#history-list button{text-align:left;background:0 0;border-color:#0000;border-radius:2px;align-items:center;width:100%;padding:5px 8px;display:flex}#history-list .history-future{color:#8897a6}#history-list small{color:#738395;margin-left:auto;font-size:11px}.property-dock{flex-direction:column;flex:1;min-height:0;display:flex}.property-content{min-height:0;padding:7px;overflow:auto}fieldset{border:1px solid #ced8e3;border-radius:2px;margin:3px 0 9px;padding:7px}legend{color:#3a607f;padding:0 4px;font-weight:600}label{justify-content:space-between;align-items:center;gap:7px;margin:7px 0;display:flex}input[type=number],select{color:#293e53;background:#fff;border:1px solid #b6c4d4;border-radius:2px;width:117px;max-width:100%;padding:4px 5px}.check{justify-content:flex-start}.scope{color:#697d90;margin:6px 0;font-size:11px;line-height:1.65}dl{font-variant-numeric:tabular-nums;grid-template-columns:1fr 1fr;gap:5px;font-size:11px;display:grid}dd{text-align:right;margin:0}.face-panel h2{margin:9px 0 5px;font-size:12px}#face-select{width:100%}#face-detail{color:#59738b;font-size:11px;line-height:1.6}.center-workspace{flex-direction:column;min-width:0;min-height:0;display:flex}.document-tab{color:#3c638b;background:#f4f7fb;border-bottom:1px solid #b8c7d8;flex-shrink:0;height:28px;padding:5px 13px}.document-tab span{color:#8695a5;margin-left:12px;font-size:11px}#viewport{background:linear-gradient(#b3c7e0,#edede5);flex:1;min-width:0;min-height:0;position:relative;overflow:hidden}#viewport canvas{width:100%;height:100%;display:block;position:absolute;inset:0}#model-info{color:#526b81;pointer-events:none;font-size:11px;position:absolute;bottom:9px;left:10px}#viewport-context{z-index:8;position:absolute}#snap-marker{pointer-events:none;z-index:3;background:#ffcd6640;border:2px solid #cf8513;width:12px;height:12px;position:absolute;transform:translate(-50%,-50%)}#snap-marker[data-type]{border-radius:50%}#snap-marker[data-type=vertex]{background:#00cc0040;border-color:#0c0}#snap-marker[data-type=midpoint]{background:#cc000040;border-color:#c00}#snap-marker[data-type=grid]{background:#0000cc40;border-color:#00c}#snap-marker[data-type=edge]{background:#cccc0040;border-color:#cc0;box-shadow:0 0 0 1px #6b701866}#snap-info{color:#815512;pointer-events:none;z-index:3;background:#ffffffe0;border:1px solid #d9c390;padding:4px 7px;font-size:11px;position:absolute;bottom:30px;left:10px}#viewport[data-mouse-tool]:not([data-mouse-tool=navigate]) canvas{cursor:crosshair}.message-dock{background:#fafbfd;border-top:1px solid #aabbce;flex-direction:column;flex-shrink:0;height:101px;min-height:74px;display:flex}.message-dock .dock-title button{background:0 0;border-color:#0000;padding:0 6px;font-size:11px;font-weight:400}.message-dock .dock-title button:first-of-type{margin-left:auto}#message-log{color:#6a7e91;flex:1;margin:0;padding:3px 10px;font-size:11px;list-style:none;overflow:auto}#message-log li{padding:2px 0}#message-log [data-error=true],#status[data-error=true]{color:#b63434}#status{color:#315f86;background:#f2f6fa;border-top:1px solid #e0e7ee;min-height:24px;margin:0;padding:4px 10px;font-size:12px}.right-tools{background:#f3f6fa;border-left:1px solid #b4c2d2;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:max-content;align-content:start;gap:2px;min-height:0;padding:4px;display:grid;overflow:auto}.right-tools button{white-space:nowrap;background:0 0;border-color:#0000;flex-direction:column;flex:none;align-items:center;gap:3px;min-height:28px;padding:4px 2px;font-size:11px;line-height:16px;display:flex}.right-tools button .tool-icon{width:24px;height:24px}.tool-caption{color:#8697a8;text-align:center;border-bottom:1px solid #d0d9e3;flex:none;grid-column:1/-1;padding:3px 0;font-size:10px}.statusbar{background:#eef3f9;border-top:1px solid #b5c5d7;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:10px;min-height:32px;padding:3px 7px;display:flex}#mouse-hint{color:#3d6285;flex:1;min-width:220px;margin:0;font-size:11px}.snap-options{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.snap-options label{white-space:nowrap;gap:2px;margin:0;font-size:11px}#cancel-mouse{padding:3px 8px;font-size:11px}dialog{color:#2c4258;background:#fafbfd;border:1px solid #9fb0c4;border-radius:5px;width:370px;max-width:calc(100vw - 30px);padding:18px;box-shadow:0 10px 45px #24374c55}dialog::backdrop{background:#33465c55}dialog h2{margin:0 0 14px;font-size:16px}dialog p{font-size:12px;line-height:1.7}#height-error{color:#b63434;min-height:18px;margin:6px 0}.dialog-actions{justify-content:flex-end;gap:8px;display:flex}#height-confirm{color:#fff;background:#3f78ad;border-color:#3f78ad;min-width:70px}@media (max-width:1000px){.local-note{display:none}.top-tools{gap:3px}.top-tools button{font-size:11px}main{--modeling-left-default:255px}}@media (max-width:700px){body{height:auto;overflow:auto}main{flex-direction:column;display:flex;overflow:visible}.right-tools{border-bottom:1px solid #b4c2d2;border-left:0;flex-flow:wrap;order:0;display:flex;overflow:visible}.right-tools button{min-width:34px}.tool-caption{display:none}.center-workspace{order:1}#viewport{flex:none;height:55dvh}aside{border-right:0;order:2}.property-content{overflow:visible}.tree-dock{height:160px}.modeling-resizer{display:none}.statusbar{flex-direction:column;align-items:flex-start}#mouse-hint{min-width:0}.top-tools{padding:4px}}.selection-properties{border-bottom:1px solid #c7d2df;padding:8px}.selection-properties h2{margin:0 0 8px;font-size:12px}#selection-properties{grid-template-columns:90px 1fr;gap:5px;margin:0;font-size:11px;display:grid}#selection-properties dt{color:#53657a}#selection-properties dd{overflow-wrap:anywhere;margin:0}#project-tree [data-object-id]{text-align:left;width:calc(100% - 25px);margin-left:25px;display:block}#selection-rectangle{z-index:8;pointer-events:none;background:#2873d225;border:1px solid #2873d2;position:absolute}#selection-rectangle[data-crossing=true]{background:#16854825;border:1px dashed #168548}#transform-dialog fieldset{margin-top:10px}#transform-error{color:#b22}#object-appearance{margin-top:10px}#axis-indicator{pointer-events:none;z-index:4;width:120px;height:120px;position:absolute;bottom:12px;right:12px}#advanced-dialog{width:430px;max-height:90dvh;overflow:auto}#sweep-path{box-sizing:border-box;resize:vertical;width:100%;font:12px Consolas,monospace}#advanced-error{color:#b22;min-height:18px}#bevel-edges{width:117px}#edit-feature{margin-bottom:8px}#modeling-startup{z-index:10;background:#e8eff6cc;place-items:center;display:grid;position:absolute;inset:0}#modeling-startup[hidden]{display:none}.startup-card{box-sizing:border-box;background:#f8fbff;border:1px solid #a9bfd5;border-radius:6px;width:min(360px,100% - 40px);padding:22px;box-shadow:0 5px 24px #395c7b26}.startup-card strong{color:#234865;font-size:15px;display:block}.startup-card progress{accent-color:#367bbb;width:100%;height:14px;margin:16px 0 12px;display:block}.startup-card p{color:#4d6275;margin:0;font-size:12px;line-height:1.6}.startup-card button{margin-top:14px}#construction-dialog{width:440px;max-height:90dvh;overflow:auto}#construction-inputs label{justify-content:space-between;align-items:center;gap:10px;margin:10px 0;display:flex}#construction-inputs input:not([type=checkbox]),#construction-inputs select{width:180px}#construction-inputs textarea{width:220px;min-height:95px;font:inherit}#construction-inputs label:has(textarea){flex-direction:column;align-items:stretch}#construction-inputs label:has(textarea) textarea{width:100%}#construction-error{color:#b53329}#construction-result{white-space:pre-wrap;margin:12px 0;display:block}.modeling-resizer{touch-action:none;background:#dce5ef;flex-shrink:0}#modeling-sidebar-resizer{cursor:col-resize;border-inline:1px solid #b8c7d8}#modeling-dock-resizer{cursor:row-resize;border-block:1px solid #b8c7d8;height:7px}.modeling-resizer:hover,.modeling-resizer:focus-visible,.modeling-resizer.is-dragging{background:#7fa8cf;outline:none}body[data-modeling-resize]{-webkit-user-select:none;user-select:none}body[data-modeling-resize=width],body[data-modeling-resize=width] *{cursor:col-resize!important}body[data-modeling-resize=height],body[data-modeling-resize=height] *{cursor:row-resize!important}.property-content{padding:5px}.property-content fieldset{min-width:0;margin:3px 0 5px;padding:4px 5px 5px}.property-content label{gap:4px;min-width:0;margin:3px 0}.property-content input,.property-content select{min-width:0;max-width:100%;min-height:24px;padding:2px 4px}.property-content button{min-height:24px;padding:3px 6px}.property-content .scope{margin:3px 0;line-height:1.45}.selection-properties{padding:3px 3px 5px}.selection-properties h2,#model-form h2,#construction-properties h2{margin:4px 0;font-size:12px}#selection-properties{grid-template-columns:80px minmax(0,1fr);gap:2px 6px;line-height:15px}#object-appearance{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 6px;margin-top:5px;display:grid}#object-appearance label{margin:0}#object-appearance label:first-of-type,#object-appearance .check,#apply-object-properties{grid-column:1/-1}#object-name{flex:1;width:100%}#object-color{width:36px;height:24px;padding:1px}#object-opacity{width:52px}#model-form fieldset{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 8px;display:grid}#model-form fieldset>label{margin:0}#model-form input[type=number]{width:64px}#model-form .check,#model-form fieldset>.scope,#model-form fieldset>button,#hole-fields{grid-column:1/-1}#model-form label:has(select){grid-column:1/-1}#model-form label:has([name=angle]){grid-column:1/-1}#hole-fields input[type=number]{width:117px}#model-form label:has([name=angle]) input{width:117px}#model-form .scope{font-size:11px}@media (max-width:700px){.modeling-resizer{display:none}}#modeling-sidebar{container:modeling-sidebar/inline-size}@container modeling-sidebar (width<=260px){#model-form fieldset{grid-template-columns:minmax(0,1fr)}#model-form input[type=number]{width:117px}}@media (max-width:700px){.app-title{flex-wrap:wrap;gap:4px 8px;height:auto;min-height:32px;padding:4px 8px}.header-actions{gap:6px}.tool-group{flex-wrap:wrap;max-width:100%}}#parameter-inputs label{grid-template-columns:minmax(0,1fr) 100px;align-items:center;display:grid}#parameter-inputs input,#parameter-inputs select{box-sizing:border-box;width:100%}#parameter-inputs .check{display:flex}#parameter-inputs input[type=checkbox]{width:auto}:is(#parameter-inputs label:has(textarea),#parameter-inputs label:has(select),#parameter-inputs label:has(input[type=text])){grid-template-columns:minmax(0,1fr)}#parameter-inputs textarea{box-sizing:border-box;resize:vertical;width:100%;min-width:0;height:70px}#parameter-error{color:#b42318;overflow-wrap:anywhere;margin:3px 0;font-size:12px}#parameter-error:empty{display:none}#feature-properties h2,#array-properties h2{margin:4px 0;font-size:12px}.geometry-node{border-left:1px solid #b5c9df;min-width:0;margin:4px 0;padding-left:4px}.geometry-node summary{cursor:pointer;overflow-wrap:anywhere;font-size:12px;font-weight:600}.geometry-fields label,#array-inputs label{grid-template-columns:minmax(0,1fr) 90px;display:grid}.geometry-fields input,.geometry-fields select,#array-inputs input{box-sizing:border-box;width:100%}.geometry-fields .check{display:flex}.geometry-fields input[type=checkbox]{width:auto}.geometry-fields label:has(textarea){grid-template-columns:minmax(0,1fr)}.geometry-fields label:has(select){grid-template-columns:minmax(0,1fr)}.geometry-fields label:has(input[type=text]){grid-template-columns:minmax(0,1fr)}#array-inputs label:has(input[type=text]){grid-template-columns:minmax(0,1fr)}.geometry-fields textarea{box-sizing:border-box;resize:vertical;width:100%;min-width:0;height:70px}#feature-parameter-error,#array-error{color:#b42318;overflow-wrap:anywhere;margin:3px 0;font-size:12px}#feature-parameter-error:empty,#array-error:empty{display:none}