/* ========== Sorting Game ========== */

/* Setup Screen */
.setup-card {
  text-align: center;
}

.setup-card h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.setup-card p {
  color: #64748b;
  margin-bottom: 1.5rem;
}

.n-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.n-btn {
  width: 44px;
  height: 44px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: #475569;
  transition: all 0.15s;
}

.n-btn:hover {
  border-color: #8b5cf6;
  color: #8b5cf6;
}

.n-btn.selected {
  background: #8b5cf6;
  color: #fff;
  border-color: #8b5cf6;
}

/* Game Board */
.game-board {
  display: none;
}

.game-board.active {
  display: block;
}

.slots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.slot {
  width: 64px;
  height: 80px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  border: 2px solid transparent;
  position: relative;
  user-select: none;
}

.slot:hover {
  border-color: #c4b5fd;
}

/* compared state — subtle, overridden by selected */
.slot.compared {
  border-color: #f59e0b;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 3px rgba(245,158,11,0.15);
}

/* selected takes priority over compared */
.slot.selected {
  border-color: #8b5cf6;
  background: #f5f3ff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 3px rgba(139,92,246,0.15);
}

/* both selected and compared: purple border + yellow corner dot */
.slot.selected.compared {
  border-color: #8b5cf6;
  background: #f5f3ff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 3px rgba(139,92,246,0.15);
}

.slot.selected.compared::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
}

/* Swap animation */
@keyframes swapPop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.15); }
  60%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.slot.swapping {
  animation: swapPop 0.35s ease;
}

.slot.correct {
  border-color: #10b981;
  background: #ecfdf5;
}

.slot.wrong {
  border-color: #ef4444;
  background: #fef2f2;
}

.slot .value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #cbd5e1;
}

.slot .pos-label {
  font-size: 0.7rem;
  color: #94a3b8;
  font-weight: 600;
}

.slot.correct .value {
  color: #10b981;
}

.slot.wrong .value {
  color: #ef4444;
}

/* Controls */
.controls {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  margin-bottom: 1rem;
}

.selected-positions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #64748b;
  min-height: 2rem;
}

.selected-positions span {
  color: #8b5cf6;
  font-size: 1.1rem;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.action-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}

.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-compare {
  background: #ede9fe;
  color: #7c3aed;
}

.btn-compare:hover:not(:disabled) {
  background: #ddd6fe;
}

.btn-swap {
  background: #fce7f3;
  color: #be185d;
}

.btn-swap:hover:not(:disabled) {
  background: #fbcfe8;
}

.btn-submit {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  padding: 0.6rem 2rem;
  font-size: 1rem;
}

.btn-submit:hover:not(:disabled) {
  opacity: 0.9;
}

/* Stats */
.stats {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin: 1rem 0;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 600;
}

.stats .num {
  color: #8b5cf6;
}

/* Win Screen */
.win-screen {
  display: none;
  background: #fff;
  border-radius: 16px;
  padding: 3rem 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
  text-align: center;
}

.win-screen.active {
  display: block;
}

.win-screen .trophy {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.win-screen h2 {
  font-size: 1.8rem;
  color: #059669;
  margin-bottom: 0.5rem;
}

.win-screen .stats-final {
  color: #64748b;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

@media (max-width: 480px) {
  .slot { width: 52px; height: 68px; }
  .slot .value { font-size: 1.2rem; }
}