.sd-wrap {
  display: grid;
  gap: 18px;
}

.sd-prompt {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.sd-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.65);
  border: 2px solid rgba(0, 0, 0, 0.06);
}

.sd-slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 2px dashed rgba(78, 205, 196, 0.7);
  background: rgba(255, 255, 255, 0.75);
}

.sd-slot {
  min-height: 52px;
  border-radius: 12px;
  background: rgba(241, 245, 249, 0.7);
  border: 2px solid rgba(148, 163, 184, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.sd-slot.hover {
  border-color: var(--brand-secondary);
  background: rgba(78, 205, 196, 0.12);
  transform: translateY(-1px);
}

.sd-slot.correct {
  border-color: rgba(34, 197, 94, 0.85);
  background: rgba(34, 197, 94, 0.10);
}

.sd-slot.incorrect {
  border-color: rgba(239, 68, 68, 0.85);
  background: rgba(239, 68, 68, 0.10);
}

.sd-token {
  appearance: none;
  border: 2px solid rgba(0,0,0,0.06);
  background: #ffffff;
  color: var(--brand);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: grab;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  touch-action: none;
  user-select: none;
}

.sd-token:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.12);
}

.sd-token:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.sd-token.dragging {
  opacity: 0.35;
}

.sd-token.ghost {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.98;
  box-shadow: 0 18px 45px rgba(2, 6, 23, 0.25);
}

.sd-token.correct {
  border-color: rgba(34, 197, 94, 0.85);
  color: rgba(21, 128, 61, 1);
  background: rgba(34, 197, 94, 0.10);
}

.sd-token.incorrect {
  border-color: rgba(239, 68, 68, 0.85);
  color: rgba(185, 28, 28, 1);
  background: rgba(239, 68, 68, 0.10);
}

.sd-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.sd-feedback {
  min-height: 40px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  border: 2px solid rgba(0,0,0,0.06);
  text-align: center;
  transition: transform 0.15s ease, opacity 0.15s ease;
  opacity: 0;
  transform: translateY(6px);
}

.sd-feedback.show {
  opacity: 1;
  transform: translateY(0);
}

.sd-feedback[data-state="correct"] {
  border-color: rgba(34, 197, 94, 0.65);
}

.sd-feedback[data-state="incorrect"] {
  border-color: rgba(239, 68, 68, 0.65);
}

@media (max-width: 480px) {
  .sd-token {
    font-size: 1rem;
    padding: 9px 12px;
  }
  .sd-slots {
    grid-template-columns: repeat(auto-fit, minmax(78px, 1fr));
  }
}