/* --- Memory Card Match Game Specific Styles --- */

.memory-game-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Header Bar */
.mem-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-glass);
  flex-wrap: wrap;
  gap: 1rem;
}

.mem-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mem-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
}

.mem-stats-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.6rem 1.25rem;
}

.mem-stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.mem-stat-val {
  font-family: 'Inter', monospace;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

/* 4x4 Card Grid Layout */
.mem-grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
  perspective: 1000px; /* Enable 3D Card Flip */
}

/* Card Container */
.mem-card {
  width: 100%;
  aspect-ratio: 3 / 4;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.mem-card.is-flipped, .mem-card.is-matched {
  transform: rotateY(180deg);
}

.mem-card-face {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--border-glass);
}

/* Card Back Design */
.mem-card-back {
  background: linear-gradient(135deg, #1f1c2c 0%, #928dab 100%);
  color: var(--text-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mem-card-back-pattern {
  width: 80%;
  height: 85%;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  background: rgba(0, 0, 0, 0.2);
}

/* Card Front Design */
.mem-card-front {
  background: #ffffff;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.5rem;
  color: #111111;
}

.mem-card-front.suit-red {
  color: #d32f2f;
}

.mem-card-front.suit-black {
  color: #212121;
}

.mem-card-corner {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mem-card-center-icon {
  font-size: 2.2rem;
  line-height: 1;
  text-align: center;
}

/* Matched Card Highlight */
.mem-card.is-matched .mem-card-front {
  border-color: var(--success-color);
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.6);
  background: #f0fdf4;
}

/* Mismatch Shake */
.mem-card.is-mismatched {
  animation: cardShake 0.4s ease-in-out;
}

@keyframes cardShake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  25% { transform: rotateY(180deg) translateX(-6px); }
  75% { transform: rotateY(180deg) translateX(6px); }
}

/* Responsive Grid */
@media (max-width: 600px) {
  .mem-grid-container {
    gap: 0.5rem;
  }

  .mem-card-corner {
    font-size: 0.85rem;
  }

  .mem-card-center-icon {
    font-size: 1.5rem;
  }
}