@import url(https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap);:root{font-family:'Space Grotesk','Noto Sans TC',sans-serif;color:#172a3a;background:#eaf0f3;font-synthesis:none;--muted:#637889;--line:#dce5e9;--mint:#58d5b4;--dark:#142c3b}*{box-sizing:border-box}body{margin:0;font-size:16px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #17a481;outline-offset:3px}header{height:80px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 30px;gap:30px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--dark);font-weight:700;font-size:23px;white-space:nowrap}.brand svg{width:34px;height:34px;fill:none;stroke:#19a180;stroke-width:1.8}.brand 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0}.workspace{position:relative;display:flex;flex-direction:column;min-width:0;padding:28px 30px 22px;overflow:hidden;background:radial-gradient(ellipse at 50% 45%,#fff9,transparent 65%),#eaf0f3}.workspace-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.workspace-top h2{font-size:25px;letter-spacing:-.4px}.workspace-top #status{font-size:12px;color:#607987}.view-bar{display:flex;gap:3px;padding:4px;background:#dfe8ed;align-self:center;border-radius:9px;margin:19px 0 0;z-index:1}.view-bar button{background:0 0;border:0;color:#667d8b;padding:9px 18px}.view-bar button.active{background:#fff;color:#193948;box-shadow:0 2px 7px #203d5110}#viewport{position:relative;flex:1;min-height:300px}#canvas{width:100%;height:100%;display:block;touch-action:none}.viewport-tools{position:absolute;right:0;top:25px;display:grid;gap:8px}.viewport-tools button{width:37px;height:37px;padding:0;background:#ffffffd9;box-shadow:0 2px 5px #142c3b05}.viewport-tools 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#061a3355}dialog::backdrop{background:#10293f75;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head button{border:0;font-size:27px;padding:0 8px}dialog p{font-size:14px;line-height:1.8;color:#697f8e}.export-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.export-options button{text-align:left;padding:20px 16px;display:flex;flex-direction:column;gap:10px}.export-options 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p{white-space:pre-wrap;color:#aa2639}.ruler-overlay{position:absolute;inset:0;pointer-events:none;overflow:hidden}.ruler-label{font-size:12px;color:#12384d;background:#fffffff0;border:1px solid #acc2cf;border-radius:3px;padding:2px 5px;white-space:nowrap}.hole-candidates button.selected{border-color:#a16dde;background:#eee3ff;box-shadow:inset 3px 0 #9258c9}#component-mini{height:210px;background:#e5eef0;margin-bottom:12px;border-radius:6px;touch-action:none}#component-mini canvas{width:100%;height:210px;display:block}.component-editor{border-top:1px solid #d4e0e5;margin-top:18px;padding-top:10px}.component-editor select{width:100%;font-size:14px}.component-editor .field{margin-bottom:12px}#hole-fields input[data-tunnel],.component-editor input[type=number]{width:100%;padding:9px;border:1px solid #c9d5dd;border-radius:4px}.drawing-surface{overflow:hidden}#face-canvas{shape-rendering:geometricPrecision;preserveAspectRatio:xMidYMid meet}#face-canvas .precision-grid 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input[type=number]{width:100%;padding:10px}.align-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ruler-overlay{width:100%;height:100%}.ruler-categories{max-width:calc(100% - 72px);font-size:11px}.ruler-categories select{padding:5px;max-width:210px;font-size:12px}.ruler-categories span{align-self:center}@media(max-width:1100px) and (min-width:851px){.face-editor-layout{grid-template-columns:245px minmax(0,1fr)}.shape-inspector{grid-column:1/-1;max-height:160px;border-left:0;border-top:1px solid #d4e0e5}.shape-inspector h3,.shape-inspector>p{display:none}#shape-gallery{display:flex;gap:8px}.shape-card{min-width:150px;width:150px}.shape-card svg{height:70px}.face-editor-layout{grid-template-rows:minmax(0,1fr) 155px}}@media(max-width:850px){.shape-inspector{order:1;border-left:0;padding:0}#shape-gallery{display:flex;gap:8px;overflow:auto}.shape-card{min-width:150px;width:150px}.face-editor-layout 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h2{font-size:20px}#close-face-editor{font-size:14px;padding:10px 15px}#face-dialog .face-editor-layout{--editor-left:340px;--editor-right:330px;display:grid;grid-template-columns:minmax(250px,var(--editor-left)) 8px minmax(260px,1fr) 8px minmax(250px,var(--editor-right));gap:8px;height:calc(100dvh - 96px);max-height:none;min-height:0}#face-dialog .face-editor-layout>aside,#face-dialog .shape-inspector{height:100%;min-height:0;overflow:auto;padding:12px;border:1px solid #d9e5df;border-radius:8px;background:#fff}#face-dialog .drawing-surface{height:100%;min-height:0}#face-canvas{min-height:0!important}.editor-divider{background:#d5e3dc;border-radius:4px;cursor:col-resize;touch-action:none}.editor-divider:focus,.editor-divider:hover{background:#80b9a0;outline:0}#component-mini{height:340px;min-height:220px;max-height:60vh;resize:vertical}#component-mini canvas{height:100%;width:100%}.component-editor>.button-pair{display:flex;gap:4px;position:sticky;top:0;background:#fff;z-index:2;padding:6px 0}.component-editor>.button-pair button{flex:1;padding:8px 4px;font-size:12px}.component-editor label:has(#project-scope){display:none}#intersecting-parts{padding:10px;background:#fff2e5;border-radius:8px;margin-bottom:12px}#intersecting-parts strong{display:block;font-size:12px;color:#9a5b27}#intersecting-parts button{font-size:11px;margin:5px 4px 0 0;max-width:100%;overflow:hidden;text-overflow:ellipsis}#cut-preview{height:330px;min-height:220px;max-height:60vh;resize:vertical;overflow:hidden;background:#e8f2ee;border-radius:8px}#cut-preview canvas{display:block;width:100%;height:100%}#cut-preview-status{font-size:11px;color:#688b7d}.result-preview{border-bottom:1px solid #d5e3dc;padding-bottom:12px;margin-bottom:12px}#face-dialog #shape-tools{border:0}#face-dialog #shape-tools h3{font-size:14px}.shape-inspector .fields{grid-template-columns:repeat(2,minmax(0,1fr))}#face-dialog input{min-width:0;max-width:100%;box-sizing:border-box}@media(max-width:1000px){#face-dialog{overflow:auto}#face-dialog .face-editor-layout{display:flex;flex-direction:column;height:auto}#face-dialog .face-editor-layout>aside,#face-dialog .shape-inspector{height:auto;overflow:visible;order:0}#face-dialog .drawing-surface{height:65vh;order:1}#face-dialog .shape-inspector{order:2}.editor-divider{display:none}#component-mini{height:300px;max-width:none}}@media(prefers-reduced-motion:reduce){.mount-selection-label{animation:none}}#face-dialog .drawing-surface{display:flex;flex-direction:column;position:relative}#face-dialog .editor-face-bar{position:relative;flex:none;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;padding:8px;margin:0;background:#fff;border-bottom:1px solid #d6e4dd;z-index:3}#face-dialog .editor-face-bar button{padding:9px 2px;font-size:13px}#face-dialog .zoom-tools{top:65px}#face-dialog #face-canvas{flex:1;height:0;min-height:0}#face-dialog .editor-step{border-top:1px solid #d8e6df;padding:18px 0 8px;margin-top:18px}#face-dialog h3{display:flex;align-items:center;gap:8px;font-size:15px}#face-dialog .reserved-templates{color:#7c9388}.reserved-templates small{margin-left:auto;font-size:11px}.reserved-templates button{width:100%;font-size:12px}#cut-component{margin:0 0 12px}#face-dialog #intersecting-parts:empty{display:none}#face-dialog .component-editor>.button-pair{position:static;margin:8px 0}#face-dialog .component-editor>.button-pair button{min-width:0}.preview-face-label{display:flex;align-items:center;gap:10px;font-size:12px;margin-bottom:10px}.preview-face-label select{flex:1;min-width:0;padding:8px}.preview-actions{display:flex;gap:5px;margin-top:10px}.preview-actions button{flex:1;font-size:12px;padding:9px 3px}.preview-actions [aria-pressed=true]{background:#d6f2e7;color:#116b50;border-color:#6ab39a}#preview-conflict-faces{display:flex;flex-wrap:wrap;gap:5px}#preview-conflict-faces button{background:#fff0f3;border-color:#efa6b7;color:#9a3052;font-size:12px;padding:6px 9px}#cut-preview.picking-face{cursor:crosshair}