.trace-canvas { position:relative; overflow:hidden; background:#fff; border-radius:12px; }
.trace-canvas img { display:block; width:100%; height:auto; }
.trace-canvas svg { position:absolute; inset:0; width:100%; height:100%; cursor:crosshair; }
.saved-trace { fill:rgba(18,102,63,.22); stroke:#12663f; stroke-width:3; }
.draft-trace { fill:rgba(214,137,19,.25); stroke:#a86b0c; stroke-width:3; }
.trace-dot { fill:#a86b0c; stroke:#fff; stroke-width:3; }