/* ===== SELECTION BOX (Marquee) ===== */
.selection-box {
  position: fixed;
  border: 1.5px dashed rgba(0, 180, 219, 0.8);
  background: rgba(0, 180, 219, 0.08);
  pointer-events: none;
  z-index: 9998;
  box-sizing: border-box;
}

/* ===== SELECTED OBJECT HIGHLIGHT ===== */
.block.selected {
  outline: 2px solid #ff5555;
  outline-offset: 0px;
}

/* ===== PREVIEW HIGHLIGHT (during box selection) ===== */
.block.selection-preview {
  outline: 2px dashed rgba(0, 180, 219, 0.7);
  outline-offset: 0px;
}