/* ============================================
   Mini-Games Styles
   ============================================ */

/* Shared Mini-Game Screen */
#minigame-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary, #1a1a2e);
  z-index: 100;
  overflow-y: auto;
  padding: 16px;
  padding-top: env(safe-area-inset-top, 16px);
}

.mini-game-hud {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 8px 0;
}

.mini-game-info {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-secondary, #aaa);
  flex-wrap: wrap;
}
.mini-game-info span:first-child {
  font-weight: 700;
  color: var(--text-primary, #fff);
}

/* ============================
   🃏 Matching Game
   ============================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-width: 500px;
  margin: 0 auto;
}

@media (max-width: 400px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mg-card {
  aspect-ratio: 3/4;
  perspective: 600px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mg-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.4s ease;
  transform-style: preserve-3d;
}

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

.mg-card-front,
.mg-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.mg-card-front {
  background: linear-gradient(135deg, #2a2a4a, #3a3a5a);
  color: #888;
  border: 2px solid #444;
  font-size: 1.5rem;
}

.mg-card-back {
  transform: rotateY(180deg);
  border: 2px solid transparent;
}

.mg-card-back.chinese {
  background: linear-gradient(135deg, #1a1a3e, #2a2a5e);
  border-color: #e94560;
  color: #ffd700;
}

.mg-card-back.pinyin {
  background: linear-gradient(135deg, #1a3e1a, #2a5e2a);
  border-color: #4ade80;
  color: #fff;
}

.mg-card-text {
  font-size: 1.3rem;
}

.mg-card-sub {
  font-size: 0.6rem;
  opacity: 0.5;
  margin-top: 4px;
  font-weight: 400;
}

.mg-card.matched {
  opacity: 0.6;
  pointer-events: none;
}

.mg-card.matched .mg-card-inner {
  animation: matchPulse 0.4s ease;
}

@keyframes matchPulse {
  0% { transform: rotateY(180deg) scale(1); }
  50% { transform: rotateY(180deg) scale(1.1); }
  100% { transform: rotateY(180deg) scale(1); }
}

/* ============================
   👂 Listen & Tap
   ============================ */

.listen-prompt {
  text-align: center;
  margin: 24px 0;
}

.listen-play-btn {
  background: linear-gradient(135deg, #e94560, #c73652);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 16px 32px;
  font-size: 1.2rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.3);
}

.listen-play-btn:active {
  transform: scale(0.95);
}

.listen-timer-bar {
  width: 80%;
  max-width: 300px;
  height: 6px;
  background: #333;
  border-radius: 3px;
  margin: 16px auto;
  overflow: hidden;
}

.listen-timer-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #e94560, #ffd700);
  border-radius: 3px;
  transition: width 6s linear;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 400px;
  margin: 0 auto;
}

.choice-btn {
  background: linear-gradient(135deg, #2a2a4a, #3a3a5a);
  border: 2px solid #444;
  border-radius: 12px;
  padding: 16px 12px;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.choice-btn:active { transform: scale(0.97); }

.choice-btn.correct {
  border-color: #4ade80 !important;
  background: rgba(74, 222, 128, 0.15) !important;
}

.choice-btn.wrong {
  border-color: #e94560 !important;
  background: rgba(233, 69, 96, 0.15) !important;
}

.choice-btn.disabled { pointer-events: none; opacity: 0.8; }

.choice-emoji { font-size: 2rem; }
.choice-chinese { font-size: 1.3rem; font-weight: 700; color: #ffd700; }
.choice-pinyin { font-size: 0.85rem; color: #aaa; }

.listen-feedback {
  text-align: center;
  margin-top: 20px;
  min-height: 40px;
  font-size: 1rem;
}

/* ============================
   🗣️ Speak & Learn
   ============================ */

.speak-prompt {
  text-align: center;
  padding: 20px;
  margin: 16px 0;
  background: linear-gradient(135deg, rgba(42,42,74,0.8), rgba(58,58,90,0.8));
  border-radius: 16px;
  border: 1px solid #444;
}

.speak-emoji { font-size: 4rem; margin-bottom: 8px; }
.speak-english { font-size: 1rem; color: #aaa; margin-bottom: 12px; }
.speak-hint-label { font-size: 0.7rem; color: #888; margin-bottom: 4px; }
.speak-pinyin { font-size: 1.8rem; font-weight: 700; color: #ffd700; margin-bottom: 8px; }
.speak-thai-hint { font-size: 0.95rem; color: #4ade80; }

.speak-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 20px 0;
}

.speak-action-btn {
  border: none;
  border-radius: 50px;
  padding: 14px 24px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  color: #fff;
}

.listen-example {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.speak-record {
  background: linear-gradient(135deg, #e94560, #c73652);
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.3);
}

.speak-record.recording {
  animation: recordPulse 1s ease infinite;
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

@keyframes recordPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(233, 69, 96, 0); }
}

.speak-feedback {
  text-align: center;
  min-height: 60px;
  padding: 12px;
}

.speak-instruction { color: #aaa; font-size: 0.9rem; }
.speak-instruction strong { color: #ffd700; }

.speak-skip-btn {
  display: block;
  margin: 12px auto;
  background: transparent;
  border: 1px solid #555;
  border-radius: 8px;
  color: #888;
  padding: 8px 20px;
  cursor: pointer;
  font-size: 0.85rem;
}

/* ============================
   📊 Result Screen
   ============================ */

.result-screen {
  text-align: center;
  padding: 40px 16px;
  max-width: 400px;
  margin: 0 auto;
}

.result-grade {
  font-size: 2rem;
  margin-bottom: 8px;
}

.result-mode {
  font-size: 1.2rem;
  color: var(--text-secondary, #aaa);
  margin-bottom: 24px;
}

.result-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 32px;
}

.result-stat {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 80px;
}

.result-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffd700;
}

.result-stat-label {
  font-size: 0.75rem;
  color: #888;
  margin-top: 4px;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.result-btn {
  max-width: 250px;
  justify-content: center;
}

/* ============================
   Shared Feedback
   ============================ */

.fb-correct { color: #4ade80; font-size: 1.1rem; font-weight: 600; }
.fb-wrong { color: #e94560; font-size: 1.1rem; font-weight: 600; }
.fb-detail { color: #aaa; font-size: 0.9rem; margin-top: 4px; }