/* Structural reservations for the later 2D SVG pass; no artwork or public labels. */
.trade-art-space { display: block; width: 100%; min-width: 0; aspect-ratio: var(--trade-art-ratio,16/9); margin-top: 28px; }
.trade-art-space:empty { background: var(--odx-soft); border-radius: 18px; }
.tu-section--soft .trade-art-space:empty { background: var(--odx-bg); }
.trade-art-space > svg,.trade-art-space > img { display: block; width: 100%; height: 100%; object-fit: contain; }
@media (max-width:480px) {
  .trade-art-space { margin-top: 24px; }
  .trade-art-space:empty { border-radius: 14px; }
}