/* ===== Memory Match Game ===== */

#memoryGame {
  display: none;
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #E8F8F5 0%, #F0E6FF 50%, #E0F7FA 100%);
  cursor: url("../../assets/emoji/cursors/hand-open-32.png") 16 16, auto !important;
}

/* ===== Difficulty Picker ===== */

.memory-difficulty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  z-index: 200;
  gap: 2rem;
}

.memory-diff-title {
  font-family: 'Fredoka One', cursive;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: #333;
}

.memory-diff-options {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.memory-diff-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.5rem 2rem;
  border: 3px solid rgba(124, 107, 191, 0.2);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.85);
  cursor: url("../../assets/emoji/cursors/hand-point-32.png") 16 4, pointer !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  min-width: 140px;
  font-family: inherit;
}

.memory-diff-btn:hover {
  transform: scale(1.06) translateY(-3px);
  box-shadow: 0 8px 25px rgba(124, 107, 191, 0.2);
  border-color: var(--color-primary);
}

.memory-diff-btn:active {
  transform: scale(0.96);
}

.memory-diff-grid {
  font-family: 'Fredoka One', cursive;
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--color-primary);
}

.memory-diff-label {
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #666;
}

.memory-diff-best {
  font-family: 'Quicksand', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: #aaa;
  min-height: 1em;
}

/* ===== HUD ===== */

.memory-hud {
  display: none;
  position: fixed;
  top: 14px;
  right: 20px;
  z-index: 200;
  pointer-events: none;
  gap: 0.6rem;
  font-family: 'Fredoka One', cursive;
  font-size: clamp(0.8rem, 2.2vw, 1.1rem);
  color: rgba(124, 107, 191, 0.85);
}

.memory-hud span {
  background: rgba(255, 255, 255, 0.5);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ===== Card Grid ===== */

.memory-board {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  grid-template-columns: repeat(var(--cols), 1fr);
  grid-template-rows: repeat(var(--rows), 1fr);
  gap: clamp(6px, 1.5vw, 12px);
  z-index: 110;
  padding: 1rem;
}

/* Board width is set inline by JS based on viewport */

/* ===== Individual Cards ===== */

.memory-card {
  aspect-ratio: 1;
  perspective: 600px;
  cursor: url("../../assets/emoji/cursors/hand-point-32.png") 16 4, pointer !important;
  -webkit-tap-highlight-color: transparent;
  opacity: 0;
}

.memory-dealt .memory-card {
  animation: memoryDealIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes memoryDealIn {
  0%   { transform: scale(0) rotateY(180deg); opacity: 0; }
  60%  { transform: scale(1.05) rotateY(10deg); opacity: 1; }
  100% { transform: scale(1) rotateY(0deg); opacity: 1; }
}

.memory-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
  border-radius: clamp(10px, 2vw, 16px);
}

.memory-card.flipped .memory-card-inner {
  transform: rotateY(180deg);
}

/* Card Back (purple, playing-card style) */
.memory-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: clamp(10px, 2vw, 16px);
  background:
    repeating-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.04) 0px,
      rgba(255, 255, 255, 0.04) 2px,
      transparent 2px,
      transparent 8px
    ),
    linear-gradient(160deg, #8B7BD4 0%, #6A5AAE 50%, #7C6BBF 100%);
  box-shadow:
    0 3px 10px rgba(0, 0, 0, 0.18),
    inset 0 1px 3px rgba(255, 255, 255, 0.2),
    inset 0 -1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Inner border frame */
.memory-card-back::before {
  content: '';
  position: absolute;
  inset: clamp(3px, 0.6vw, 6px);
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: clamp(7px, 1.5vw, 12px);
  pointer-events: none;
}

/* Center star decoration */
.memory-card-back::after {
  content: '\2726';
  font-size: clamp(1rem, 4vw, 2.4rem);
  color: rgba(255, 255, 255, 0.22);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

/* Card Front (white with emoji) */
.memory-card-front {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: rotateY(180deg);
  border-radius: clamp(10px, 2vw, 16px);
  background: #fff;
  border: 2px solid rgba(124, 107, 191, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.8rem, 6vw, 3rem);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  container-type: inline-size;
}

.memory-card-front span {
  font-size: 55cqi;
  line-height: 1;
}

/* Matched state */
.memory-card.matched .memory-card-front {
  background: #FFFBF0;
  box-shadow: 0 0 12px rgba(255, 179, 71, 0.3);
}

.memory-card.matched {
  pointer-events: none;
}

/* ===== Win Pulse ===== */

.memory-win-pulse {
  animation: memoryWinPulse 0.5s ease-out !important;
  opacity: 1 !important;
}

@keyframes memoryWinPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ===== Confetti ===== */

.memory-confetti {
  position: fixed;
  pointer-events: none;
  z-index: 350;
  animation: memoryConfettiFall var(--fall-dur) linear forwards;
}

@keyframes memoryConfettiFall {
  0%   { transform: translateY(0) translateX(0) rotate(0deg); opacity: 1; }
  50%  { transform: translateY(calc(var(--fall-dist) * 0.5)) translateX(var(--sway)) rotate(180deg); opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(var(--fall-dist)) translateX(calc(var(--sway) * -0.5)) rotate(var(--fall-rot)); opacity: 0; }
}

/* ===== Win Overlay ===== */

.memory-celebrate {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 400;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: rgba(232, 248, 245, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.memory-celebrate.show {
  opacity: 1;
  pointer-events: auto;
}

.memory-endcard {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  animation: memoryEndcardIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes memoryEndcardIn {
  0%   { transform: scale(0.7); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.memory-endcard-emoji {
  font-size: clamp(4rem, 15vw, 7rem);
  line-height: 1;
}

.memory-endcard-title {
  font-family: 'Fredoka One', cursive;
  font-size: clamp(1.8rem, 6vw, 3rem);
  color: #333;
}

.memory-endcard-stats {
  font-family: 'Fredoka One', cursive;
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: rgba(124, 107, 191, 0.85);
  display: flex;
  gap: 1.5rem;
}

.memory-endcard-best {
  font-family: 'Fredoka One', cursive;
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: #FFB347;
}

.memory-endcard-best-small {
  font-family: 'Quicksand', sans-serif;
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  color: #999;
  font-weight: 600;
}

.memory-endcard-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.memory-endcard-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.5em 1.5em;
  border: none;
  border-radius: 50px;
  cursor: url("../../assets/emoji/cursors/hand-point-32.png") 16 4, pointer !important;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.memory-btn-again {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(124, 107, 191, 0.25);
}

.memory-btn-diff {
  background: transparent;
  color: #666;
  border: 2px solid #ddd;
}

.memory-endcard-btn:hover {
  transform: scale(1.05) translateY(-2px);
}

.memory-endcard-btn:active {
  transform: scale(0.95);
}

/* ===== Responsive ===== */

@media (max-width: 480px) {
  .memory-board {
    padding: 0.5rem;
  }
  .memory-diff-btn {
    padding: 1rem 1.4rem;
    min-width: 100px;
  }
  .memory-hud {
    top: 10px;
    right: 12px;
    gap: 0.4rem;
  }
  .memory-hud span {
    padding: 3px 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .memory-card,
  .memory-dealt .memory-card {
    animation: none;
    opacity: 1;
  }
  .memory-card-inner {
    transition: none;
  }
  .memory-win-pulse {
    animation: none !important;
  }
  .memory-confetti {
    animation: none;
    display: none;
  }
}