/* ============================================================
   FILE: drag-clone.css
   PURPOSE: Visual-only drag clone for the two-element DOM model.
   CONTRACT:
     - Clone is never interactive.
     - Clone is always pointer-centered.
     - Clone never participates in layout.
     - Clone never infers geometry from CSS.
   ============================================================ */

.domino-drag-clone {
  position: fixed;
  top: 0;
  left: 0;

  /* Centering is immutable */
  transform: translate(-50%, -50%) !important;

  /* Visual distinction */
  outline: 2px solid rgba(0, 120, 255, 0.85);
  outline-offset: 2px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);

  /* Always above board + tray */
  z-index: 9999;

  /* Never interactive */
  pointer-events: none;
  user-select: none;
  touch-action: none;

  /* Smooth motion */
  transition: transform 120ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;

  /* Match wrapper geometry */
  width: calc(2 * var(--cell-size) + var(--cell-gap));
  height: var(--cell-size);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Inner domino inherits all normal styles */
.domino-drag-clone .domino {
  pointer-events: none;
}