@charset "UTF-8";
:root{font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;color:#e8edf5;background:#121925;color-scheme:dark;--mint:#aae9dc;--muted:#99a7ba;--line:#ffffff16;--panel:#192232}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{color:inherit;background:#ffffff05;border:1px solid #ffffff21;border-radius:5px;padding:9px 12px;font-size:12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--mint);background:#aae9dc10}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,#artboard:focus-visible{outline:2px solid var(--mint);outline-offset:3px}[hidden]{display:none!important}
.app-header{height:65px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:1px}.brand>span{font-size:30px;font-weight:600;color:var(--mint)}.brand>b{font-weight:400;color:var(--muted);font-size:12px}.back-link{font-size:12px;color:var(--muted)}main{display:grid;grid-template-columns:minmax(0,1fr) 320px;min-height:calc(100svh - 65px)}.workspace{position:sticky;top:0;height:calc(100svh - 65px);min-height:550px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden}.toolbar{display:flex;flex-wrap:wrap;gap:15px;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}.segmented,.view-buttons{display:flex;gap:3px}.segmented{padding:3px;background:#0b121f;border:1px solid var(--line);border-radius:6px}.segmented button{border-color:transparent;padding:8px 16px}.segmented button[aria-pressed=true]{background:var(--mint);color:#14352f}.view-buttons button{border-color:transparent;color:var(--muted)}.view-buttons button[aria-pressed=true]{color:var(--mint);background:#aae9dc10}.zoom-label{margin-left:auto;display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted)}.zoom-label input{width:88px}.zoom-label output{width:36px;text-align:right;font-variant-numeric:tabular-nums}input[type=range]{accent-color:var(--mint);cursor:ew-resize}.viewport{position:relative;overflow:auto;overscroll-behavior:contain;background:#0e1520;background-image:radial-gradient(#ffffff0c .7px,transparent .7px);background-size:16px 16px;scrollbar-color:#596778 #17202e}.artboard{position:relative;flex:none;margin:0 auto;background:white;touch-action:none;outline:none;cursor:crosshair}.artboard canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.artboard.dragging{cursor:grabbing}.workspace-footer{display:flex;justify-content:space-between;gap:12px;padding:12px 20px;font-size:10px;color:var(--muted);border-top:1px solid var(--line)}.reference-badge span{color:var(--mint);margin-right:6px}.loading{position:absolute;inset:0;display:grid;place-content:center;padding:24px;background:#f3f7f8ed;color:#294443;font-size:13px;text-align:center;line-height:1.8}
.panel{padding:26px 24px 30px;border-left:1px solid var(--line);background:var(--panel)}.eyebrow{font-size:9px;letter-spacing:1.8px;color:var(--mint);margin:0 0 15px}h1{font-size:24px;line-height:1.5;font-weight:500;margin:0 0 12px;letter-spacing:.5px}h2,.section-title{font-size:12px;font-weight:500;margin:0 0 12px}.section-title{display:flex;justify-content:space-between;align-items:center}.section-title output{font-size:12px;color:var(--mint);font-variant-numeric:tabular-nums}.hint{font-size:11px;line-height:1.8;color:var(--muted);margin:10px 0 0}fieldset{border:0;padding:0;margin:0;min-width:0}.control-section{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.wide-range{display:block;width:100%;margin:0;height:22px}.check{display:flex;align-items:center;gap:6px;font-size:11px;color:#c5d1df;margin-top:14px}.check input{accent-color:var(--mint)}select,input[type=number]{background:#111a28;color:#e3ebf5;border:1px solid #ffffff26;border-radius:4px;padding:9px;width:100%;font-size:12px}select{min-width:0}#selection-controls{margin-top:17px}.number-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.number-grid label{font-size:10px;color:var(--muted)}.number-grid input{display:block;margin-top:6px;font-variant-numeric:tabular-nums}.unit-note{font-size:9px;line-height:1.7;color:var(--muted);margin:9px 0 14px}.action-row{display:flex;gap:8px;margin-top:8px}.action-row>*{flex:1;min-width:0}.text-button{border:0;padding:8px 0;margin-top:8px;color:var(--muted);font-size:11px;background:transparent}.primary{width:100%;padding:12px;background:var(--mint);border-color:var(--mint);color:#163b31;font-weight:600}.primary:hover:not(:disabled){background:#cdf8ed;color:#163b31}.file-button{position:relative;display:block;text-align:center;overflow:hidden;border:1px solid #ffffff21;border-radius:5px;font-size:11px;padding:10px 6px;cursor:pointer}.file-button input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.file-button:focus-within{outline:2px solid var(--mint);outline-offset:3px}.file-actions button{font-size:11px;padding:10px 6px}.nudge{display:grid;grid-template-columns:36px 36px 36px;grid-template-rows:32px 32px 32px;gap:4px;justify-content:center;margin:18px 0 3px}.nudge button{padding:3px;font-size:17px}.nudge button:first-child{grid-area:1/2}.nudge button:nth-child(2){grid-area:2/1}.nudge span{grid-area:2/2;align-self:center;text-align:center;font-size:10px;color:var(--muted)}.nudge button:nth-child(4){grid-area:2/3}.nudge button:last-child{grid-area:3/2}.feedback{font-size:11px;line-height:1.8;color:var(--mint);overflow-wrap:anywhere;margin:12px 0 0}.feedback.error{color:#ffbdac}.shortcut-hint{font-size:10px;line-height:1.9;color:#8495ac;margin-top:22px}
@media(max-width:1000px){main{grid-template-columns:minmax(0,1fr) 280px}.panel{padding:22px 18px}.toolbar{gap:8px;padding:12px}.segmented button{padding:8px 10px}.zoom-label{width:100%;margin-left:0;justify-content:flex-end}.workspace-footer{padding:12px;font-size:9px}}@media(max-width:700px){.app-header{height:58px;padding:0 15px}.brand{font-size:12px;gap:8px}.brand>b,.back-link{font-size:10px}main{display:block;min-height:0}.workspace{position:relative;height:76svh;min-height:480px}.toolbar{padding:10px;gap:9px}.view-buttons button{padding:8px}.zoom-label{width:auto;margin-left:auto}.zoom-label input{width:65px}.panel{border-left:0;border-top:1px solid var(--line);padding:24px;max-width:520px;margin:auto}h1{font-size:22px}h1 br{display:none}.workspace-footer #status{max-width:48%;text-align:right}.control-section{margin-top:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.visibility-actions{display:flex;gap:5px;margin-bottom:12px}.visibility-actions button{flex:1;font-size:10px;padding:7px 5px}.parts-list{max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:4px;padding:4px}.part-row{display:flex;align-items:center;gap:6px;padding:3px 4px}.part-row input{accent-color:var(--mint);cursor:pointer;flex:none}.part-row button{flex:1;text-align:left;border:0;border-radius:3px;font-size:11px;padding:7px;color:var(--muted);background:transparent}.part-row button[aria-pressed=true]{color:var(--mint);background:#aae9dc12}.part-row input:not(:checked)+button{opacity:.6}