.pca-geometry { max-width: 900px; margin: 1.5rem auto; font-family: "DejaVu Sans", system-ui, sans-serif; }
.pca-geometry .pca-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pca-geometry [hidden] { display: none !important; }
.pca-geometry .pca-panel { min-width: 0; }
.pca-geometry .pca-panel-heading { min-height: 2rem; display: flex; align-items: center; gap: .6rem; color: #333; font-size: .95rem; }
.pca-geometry .pca-hint { margin-left: auto; color: #777; font-size: .72rem; }
.pca-geometry .pca-reset { padding: .12rem .35rem; color: #555; background: #fff; border: 1px solid #ccc; border-radius: 4px; font: inherit; font-size: .7rem; }
.pca-geometry svg { display: block; width: 100%; height: auto; }
.pca-geometry svg text { fill: #555; font-size: 14px; }
.pca-geometry .pca-original { cursor: grab; touch-action: none; }
.pca-geometry .pca-original[data-dragging="true"] { cursor: grabbing; }
.pca-geometry :focus-visible { outline: 2px solid #278474; outline-offset: 3px; }
@media (max-width: 560px) {
  .pca-geometry .pca-panels { grid-template-columns: 1fr; gap: .4rem; }
}
@media print {
  .pca-geometry .pca-panels { display: none !important; }
  .pca-geometry .pca-fallback { display: block !important; }
}