:root,[data-theme=dark]{--bg:#1b1d21;--panel:#24272c;--panel-2:#2c3036;--border:#383c43;--text:#dfe3ea;--muted:#8d95a3;--accent:#3b8bff;--accent-soft:#3b8bff2e;--warn:#f5b841;--error:#ff6b6b;--ok:#4cc38a;--input:#1b1d21;--c-bg:#1d1f23;--c-grid:#26292e;--c-grid-major:#30343a;--c-axis-x:#b4535b;--c-axis-y:#4f9a64;--c-geom:#8cc4ff;--c-geom-done:#f0f3f7;--c-construction:#7d8592;--c-select:#ffb020;--c-hover:#ffd77a;--c-fill:#3b8bff21;--c-dim:#d7dbe2;--c-dim-bg:#1d1f23eb;--c-glyph-bg:#343841;--c-glyph:#c9ced8;--c-ref:#5d6470;--c-ruler:#2a2d33;--c-ruler-text:#8d95a3;--c-3d-bg:#202328;--c-3d-body:#7ea7e8;--c-3d-edge:#0f1114;color:var(--text);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font:13px/1.4 system-ui,-apple-system,Segoe UI,sans-serif}[data-theme=light]{--bg:#e9ecf1;--panel:#fff;--panel-2:#f3f5f8;--border:#d3d8e0;--text:#1d2735;--muted:#64748b;--accent:#2563eb;--accent-soft:#2563eb1f;--input:#fff;--c-bg:#fbfcfe;--c-grid:#eef1f6;--c-grid-major:#dde3ec;--c-axis-x:#e8a3a3;--c-axis-y:#9fd0a5;--c-geom:#1f6fd6;--c-geom-done:#111827;--c-construction:#94a3b8;--c-select:#e07b00;--c-hover:#f59e0b;--c-fill:#3b82f61f;--c-dim:#1d2735;--c-dim-bg:#ffffffeb;--c-glyph-bg:#e5e9f0;--c-glyph:#334155;--c-ref:#b8c0cc;--c-ruler:#f1f3f7;--c-ruler-text:#64748b;--c-3d-bg:#eef1f5;--c-3d-body:#8fb3ff;--c-3d-edge:#1d2735;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0;overflow:hidden}body{color:var(--text);flex-direction:column;font:13px/1.4 system-ui,-apple-system,Segoe UI,sans-serif;display:flex}button,select,input{font:inherit;color:inherit}button{background:var(--panel-2);border:1px solid var(--border);cursor:pointer;border-radius:5px;padding:4px 10px}button:hover:not(:disabled){border-color:var(--muted)}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}input,select{background:var(--input);border:1px solid var(--border);border-radius:4px;padding:3px 6px}input:focus,select:focus{border-color:var(--accent);outline:none}.menubar,.ctxbar,.statusbar{background:var(--panel);border-bottom:1px solid var(--border);align-items:center;gap:6px;min-width:0;padding:5px 10px;display:flex}.ctxbar{background:var(--panel-2);flex-wrap:wrap;min-height:40px}.ctxbar label{color:var(--muted);align-items:center;gap:4px;display:inline-flex}.ctxbar input[type=number],.ctxbar input.num{width:72px}.ctxbar .group{align-items:center;gap:3px;display:inline-flex}.ctxbar .icon-btn{padding:3px 5px;display:inline-flex}.statusbar{border-top:1px solid var(--border);color:var(--muted);white-space:nowrap;border-bottom:0;gap:16px;padding:3px 10px;overflow:hidden}.brand{color:var(--accent);letter-spacing:.02em;margin-right:8px;font-weight:700}.sep{background:var(--border);flex:none;width:1px;height:20px;margin:0 4px}.grow{flex:1}#status-dof.ok{color:var(--ok)}#status-hint{text-overflow:ellipsis;overflow:hidden}.menu{position:relative}.menu-items{z-index:20;background:var(--panel);border:1px solid var(--border);border-radius:6px;min-width:260px;margin-top:4px;padding:4px;display:none;position:absolute;top:100%;left:0;box-shadow:0 8px 24px #00000059}.menu.open .menu-items{display:block}.menu-items button{text-align:left;background:0 0;border:0;justify-content:space-between;width:100%;display:flex}.menu-items button:hover{background:var(--accent-soft)}.menu-items small{color:var(--muted)}.workspace{grid-template-columns:58px 1fr 300px;gap:0;min-height:0;display:grid}.tools{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;gap:3px;padding:6px 5px;display:flex;overflow-y:auto}.tools button{color:var(--muted);background:0 0;border-color:#0000;flex-direction:column;align-items:center;padding:5px 0 3px;font-size:10px;display:flex}.tools button:hover:not(:disabled){color:var(--text);border-color:var(--border)}.tools button.active{color:var(--accent);background:var(--accent-soft);border-color:var(--accent)}.tools .tool-sep{background:var(--border);height:1px;margin:4px 2px}svg.icon{stroke:currentColor;stroke-width:1.6px;fill:none;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.ctxbar svg.icon{width:18px;height:18px}.stage{background:var(--c-bg);min-width:0;min-height:0;position:relative;overflow:hidden}#sketch,#view3d{touch-action:none;width:100%;height:100%;position:absolute;inset:0}#view3d canvas{display:block}[data-stage="3d"] #sketch,[data-stage="2d"] #view3d{visibility:hidden}.stage-tabs{z-index:5;gap:2px;display:none;position:absolute;bottom:10px;right:10px}[data-mode=sketch] .stage-tabs{display:flex}.stage-tabs button{padding:2px 10px}.banner{z-index:6;background:var(--panel);border:1px solid var(--accent);white-space:nowrap;border-radius:6px;align-items:center;gap:10px;max-width:calc(100% - 40px);padding:6px 12px;display:flex;position:absolute;top:8px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}.banner[hidden]{display:none}.dim-input{text-align:center;border:2px solid var(--accent);background:var(--input);z-index:10;border-radius:5px;width:90px;padding:3px 4px;position:absolute;transform:translate(-50%,-50%);box-shadow:0 2px 12px #0006}.dock{background:var(--panel);border-left:1px solid var(--border);flex-direction:column;min-height:0;display:flex}.dock-panel{border-bottom:1px solid var(--border);min-height:0;padding:6px 10px 8px;overflow:auto}.steps-panel{flex:0 auto;max-height:30%}.legend-panel{flex:0 auto;max-height:32%}.legend-panel[hidden]{display:none}.legend-head{align-items:center;gap:8px;margin-bottom:4px;display:flex}.legend-head .tiny{margin-left:auto}.legend-filter{width:100%;margin-bottom:4px}.legend-list{margin:0;padding:0;list-style:none}.legend-row{border-radius:4px;align-items:center;gap:7px;padding:2px 4px;display:flex}.legend-row:hover{background:var(--panel-2)}.legend-row.sub{color:var(--muted);padding-left:26px}.legend-row .name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.swatch{border:1px solid #0000004d;border-radius:3px;flex:none;width:14px;height:14px}button.tiny{padding:0 6px;font-size:11px}.tools .tool-label{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:center;opacity:.8;margin:6px 0 1px;font-size:9px}.props-sub{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:10px 0 2px;font-size:11px}#props .small{margin-top:8px;font-size:12px}.ctxbar .next-steps button{align-items:center;gap:4px;display:inline-flex}.props-panel{flex:auto}.history-panel{flex:0 auto;max-height:24%}.dock h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:2px 0 6px;font-size:11px}.dock ol{margin:0;padding:0;list-style:none}#steps li{cursor:pointer;border-radius:4px;align-items:center;gap:6px;padding:3px 6px;display:flex}#steps li svg.icon{flex:none;width:16px;height:16px}#steps li .name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}#steps li:hover{background:var(--panel-2)}#steps li.selected{background:var(--accent-soft);color:var(--accent)}#steps li.suppressed .name{opacity:.55;text-decoration:line-through}#steps li .badge{font-size:11px}#steps li .badge.error{color:var(--error)}#steps li .badge.warning{color:var(--warn)}#steps .empty,#props .empty{color:var(--muted);padding:4px 0}#history li{cursor:pointer;border-radius:4px;padding:2px 6px}#history li:hover{background:var(--panel-2)}#history li.current{background:var(--accent-soft);color:var(--accent);font-weight:600}#history li.redo{color:var(--muted);opacity:.6}#props .field{grid-template-columns:72px 1fr;align-items:center;gap:6px;margin:6px 0;display:grid}#props .field>span{color:var(--muted)}#props input,#props select{width:100%}#props .seg{flex-wrap:wrap;gap:2px;display:flex}#props .seg button{padding:2px 7px;font-size:12px}#props .row{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}#props .msg{border-radius:5px;margin:4px 0 8px;padding:6px 8px}#props .msg.error{color:var(--error);background:#ff6b6b1f}#props .msg.warning{color:var(--warn);background:#f5b8411f}#props .msg.info{background:var(--accent-soft)}#props .muted{color:var(--muted)}#toast{background:var(--panel);border:1px solid var(--border);color:var(--text);opacity:0;pointer-events:none;z-index:30;border-radius:8px;max-width:90vw;padding:8px 14px;transition:all .2s;position:fixed;bottom:40px;left:50%;transform:translate(-50%,20px)}#toast.show{opacity:1;transform:translate(-50%)}@media (max-width:900px){.workspace{grid-template-rows:1fr auto;grid-template-columns:50px 1fr}.dock{border-left:0;border-top:1px solid var(--border);grid-column:1/3;max-height:34vh}.menubar{flex-wrap:wrap}.tools button span{display:none}}.tool-buttons{flex-direction:column;gap:3px;display:flex}@media (min-width:901px){body[data-toolbar=side] .workspace{grid-template-columns:112px 1fr 300px}body[data-toolbar=side] .tool-buttons{grid-template-columns:1fr 1fr;display:grid}}.dim-input.text{text-align:left;width:220px;transform:translateY(-50%)}.ctxbar input.text-edit{width:160px}.popover{z-index:20;background:var(--panel);border:1px solid var(--border);border-radius:8px;min-width:300px;padding:10px 12px;position:absolute;top:8px;left:50%;transform:translate(-50%);box-shadow:0 8px 28px #00000059}.popover-title{margin-bottom:6px;font-weight:600}.popover .field{grid-template-columns:96px 1fr;align-items:center;gap:6px;margin:6px 0;display:grid}.popover .field small{grid-column:2;margin-top:-4px}.popover .row{gap:6px;margin-top:8px;display:flex}.checklist{flex-direction:column;gap:3px;max-height:140px;display:flex;overflow-y:auto}.checklist label{align-items:center;gap:6px;font-size:12px;display:flex}.measure-panel{z-index:15;background:var(--panel);border:1px solid var(--border);border-radius:8px;width:280px;padding:10px 12px;position:absolute;top:10px;right:10px;box-shadow:0 8px 28px #0000004d}.measure-title{margin-bottom:6px;font-weight:600}.measure-rows{grid-template-columns:auto 1fr;gap:4px 10px;margin:6px 0;font-size:13px;display:grid}.measure-rows .val{font-variant-numeric:tabular-nums;-webkit-user-select:text;user-select:text}.measure-panel .row{justify-content:flex-end;gap:6px;margin-top:8px;display:flex}.section-ctl input[type=range]{width:160px}.param-row{grid-template-columns:1fr auto 1.4fr auto auto;align-items:center;gap:4px;margin:3px 0;display:grid}.param-row input{min-width:0;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.param-row.bad .pexpr{border-color:var(--error)}.param-row .pval{min-width:2ch;font-size:11px}#props input.has-expr{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.params-panel{flex:0 auto;max-height:26%}.dock h3{cursor:pointer;-webkit-user-select:none;user-select:none}.dock h3:before{content:"▾ ";opacity:.6}.dock-panel.collapsed>:not(h3){display:none}.dock-panel.collapsed h3{margin-bottom:0}.dock-panel.collapsed h3:before{content:"▸ "}.dock-panel.collapsed{flex:none}#steps li.after-marker{opacity:.45}#steps li.drop-target{box-shadow:inset 0 2px 0 var(--accent)}#steps .roll-btn{visibility:hidden;margin-left:auto}#steps li:hover .roll-btn{visibility:visible}#steps li.roll-marker{color:var(--accent);border-top:2px solid var(--accent);cursor:grab;justify-content:space-between;align-items:center;margin:3px 0;padding:2px 6px;font-size:11px;display:flex}kbd{border:1px solid var(--border);color:var(--muted);background:var(--input);border-radius:3px;padding:0 4px;font:11px ui-monospace,SFMono-Regular,Menlo,monospace}.ctx-menu{z-index:100;background:var(--panel);border:1px solid var(--border);border-radius:8px;min-width:200px;padding:4px;position:fixed;box-shadow:0 10px 30px #00000059}.ctx-title{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;text-overflow:ellipsis;white-space:nowrap;max-width:260px;padding:4px 8px 6px;font-size:11px;overflow:hidden}.ctx-menu button{text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;gap:16px;width:100%;padding:5px 8px;display:flex}.ctx-menu button:hover:not(:disabled),.ctx-menu button:focus-visible{background:var(--accent-soft);outline:none}.ctx-menu button.danger{color:var(--error)}.ctx-sep{background:var(--border);height:1px;margin:4px 2px}.tooltip{z-index:110;background:var(--panel);border:1px solid var(--border);pointer-events:none;border-radius:6px;max-width:280px;padding:7px 9px;font-size:12px;line-height:1.4;position:fixed;box-shadow:0 6px 20px #0000004d}.tooltip .tip-head{justify-content:space-between;gap:10px;margin-bottom:3px;display:flex}.palette-back{z-index:120;background:#00000040;justify-content:center;align-items:flex-start;padding-top:12vh;display:flex;position:fixed;inset:0}.palette{background:var(--panel);border:1px solid var(--border);border-radius:10px;width:min(520px,92vw);overflow:hidden;box-shadow:0 20px 50px #0006}.palette input{border:0;border-bottom:1px solid var(--border);background:0 0;border-radius:0;width:100%;padding:12px 14px;font-size:15px}.palette-list{max-height:50vh;padding:4px;overflow-y:auto}.palette-list button{text-align:left;background:0 0;border:0;align-items:center;gap:10px;width:100%;padding:7px 10px;display:flex}.palette-list button span{flex:1}.palette-list button small{color:var(--muted)}.palette-list button.active,.palette-list button:hover{background:var(--accent-soft)}.palette-list .muted{padding:10px}#palette kbd{margin-left:4px}.viewnav{z-index:5;width:124px;height:124px;position:absolute;bottom:46px;right:14px}.viewnav-btn{width:24px;height:24px;color:var(--muted);background:color-mix(in srgb, var(--panel) 80%, transparent);border:1px solid #0000;border-radius:12px;padding:0;font-size:12px;line-height:1;position:absolute}.viewnav-btn:hover{color:var(--accent);border-color:var(--accent)}.viewnav-btn.n{top:0;left:50px}.viewnav-btn.s{bottom:0;left:50px}.viewnav-btn.w{top:50px;left:0}.viewnav-btn.e{top:50px;right:0}.viewnav-btn.nw{font-size:15px;top:4px;left:4px}.viewnav-btn.ne{font-size:15px;top:4px;right:4px}.viewnav-btn.sw{font-size:14px;bottom:26px;left:4px}.viewnav-btn.fit{width:auto;padding:0 6px;font-size:10px;bottom:0;left:-2px}.viewnav-btn.se{width:auto;padding:0 6px;font-size:10px;bottom:4px;right:-2px}.viewnav-btn.active{color:var(--accent)}.viewcube{width:56px;height:56px;position:absolute;top:34px;left:34px}.viewcube-inner{width:0;height:0;transform-style:preserve-3d;position:absolute;top:50%;left:50%}.viewcube-face{width:56px;height:56px;color:var(--text);background:color-mix(in srgb, var(--panel) 88%, transparent);border:1px solid var(--border);backface-visibility:hidden;border-radius:3px;padding:0;font-size:10px;font-weight:600;position:absolute;top:-28px;left:-28px}.viewcube-face:hover{background:var(--accent-soft);color:var(--accent)}.handle-label{z-index:6;font-variant-numeric:tabular-nums;background:var(--panel);border:1px solid var(--accent);pointer-events:none;white-space:nowrap;border-radius:4px;padding:2px 6px;font-size:12px;position:absolute;transform:translate(-50%,-50%)}@media (max-width:600px){.workspace{grid-template-columns:1fr}.tools{display:none}.dock{grid-column:1;max-height:42vh}.menubar #new,.menubar #redo,#palette .pal-label,.menubar .sep,#palette kbd,.history-panel,.params-panel{display:none}.menubar,.ctxbar{flex-wrap:nowrap;overflow-x:auto}.viewnav{transform-origin:100% 100%;bottom:40px;right:6px;transform:scale(.8)}.steps-panel{max-height:22%}.legend-panel{max-height:45%}}#palette .pal-icon{display:none}@media (max-width:600px){#palette .pal-icon{display:inline}.menubar button{white-space:nowrap}.menubar .brand{display:none}}.dock-panel h3{z-index:1;background:var(--panel);padding:2px 0;position:sticky;top:-6px}#doc-name{background:0 0;border-color:#0000;width:160px;font-weight:500}#doc-name:hover,#doc-name:focus{border-color:var(--border);background:var(--input)}@media (max-width:600px){#doc-name{display:none}}.workspace{flex:auto}.ctxbar:empty{display:none}.tools button:disabled{opacity:.35}body[data-toolbar=top] .tools{border-right:0;border-bottom:1px solid var(--border);flex-direction:row;flex:none;align-items:flex-start;gap:4px;padding:3px 8px 4px;overflow:auto hidden}body[data-toolbar=top] .tool-group{border-right:1px solid var(--border);padding:0 6px}body[data-toolbar=top] .tool-group:last-child{border-right:0}body[data-toolbar=top] .tool-buttons{flex-direction:row;gap:2px}body[data-toolbar=top] .tools button{min-width:50px;padding:4px 4px 2px}body[data-toolbar=top] .tools .tool-label{text-align:left;margin:0 0 1px}body[data-toolbar=top] .workspace{grid-template-columns:1fr 300px}@media (max-width:900px){body[data-toolbar=top] .workspace{grid-template-rows:1fr auto;grid-template-columns:1fr}body[data-toolbar=top] .dock{grid-column:1}body[data-toolbar=top] .tools button span{display:inline}}.dock-panel h3{margin-bottom:0;padding-bottom:6px}@media (max-width:600px){.menubar #theme{display:none}}.pickfilter{z-index:5;background:color-mix(in srgb, var(--panel) 90%, transparent);border:1px solid var(--border);border-radius:6px;align-items:center;gap:6px;padding:4px 6px;font-size:12px;display:flex;position:absolute;bottom:10px;left:10px}.pickfilter[hidden]{display:none}.select-box{z-index:6;border:1px dashed var(--c-select);background:color-mix(in srgb, var(--c-select) 12%, transparent);pointer-events:none;position:absolute}@media (max-width:600px){.pickfilter:not([hidden]){display:none}}