/* ===== GENEL STİLLER ===== */
:root {
  --primary-color: #0f3460;
  --secondary-color: #e94560;
  --success-color: #2dca8c;
  --dark-color: #1a1a2e;
  --light-color: #f1f1f1;
  --card-bg: #16213e;
  --font-main: 'Press Start 2P', cursive;
  --font-secondary: Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--dark-color);
  color: var(--light-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  line-height: 1.6;
}

/* ===== OYUN KONTEYNIRI ===== */
.game-container {
  width: 100%;
  max-width: 800px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

h1 {
  font-family: var(--font-main);
  color: var(--secondary-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
}

/* ===== OYUN BİLGİ PANELİ ===== */
.game-info {
  margin-bottom: 1.5rem;
}

.stats {
  display: flex;
  justify-content: space-around;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-box {
  background: var(--card-bg);
  padding: 0.8rem;
  border-radius: 8px;
  flex: 1;
  max-width: 120px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.label {
  display: block;
  font-size: 0.7rem;
  color: var(--secondary-color);
  margin-bottom: 0.3rem;
  font-family: var(--font-main);
}

.value {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--light-color);
  font-family: var(--font-main);
}

/* ===== OYUN TAHTASI ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0 auto 2rem;
}

.card {
  aspect-ratio: 1/1;
  background: var(--card-bg);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.5rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  transform-style: preserve-3d;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.card::before {
  content: '?';
  position: absolute;
  font-size: 2rem;
  color: var(--light-color);
}

.card.flipped {
  background: var(--secondary-color);
  transform: rotateY(180deg);
}

.card.flipped::before {
  display: none;
}

.card.matched {
  background: var(--success-color);
  cursor: default;
  transform: rotateY(180deg) scale(0.95);
  box-shadow: 0 0 20px rgba(45, 202, 140, 0.6);
}

/* ===== KONTROLLER ===== */
.controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  background: var(--secondary-color);
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
}

.btn:hover {
  background: #ff6b81;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
}

/* ===== MODAL PENCERE ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--dark-color);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  max-width: 500px;
  width: 90%;
  border: 2px solid var(--secondary-color);
  box-shadow: 0 0 30px rgba(233, 69, 96, 0.5);
}

.modal h2 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
  font-family: var(--font-main);
}

#win-message {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

/* ===== RESPONSIVE TASARIM ===== */
@media (max-width: 768px) {
  .game-container {
    padding: 1rem;
  }
  
  h1 {
    font-size: 1.4rem;
  }
  
  .grid {
    gap: 0.7rem;
  }
  
  .card {
    font-size: 1.8rem;
  }
  
  .info-box {
    padding: 0.5rem;
  }
  
  .label {
    font-size: 0.6rem;
  }
  
  .value {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
  }
  
  .card {
    font-size: 1.5rem;
  }
  
  .stats {
    flex-direction: column;
    align-items: center;
  }
  
  .info-box {
    max-width: 100%;
    width: 100%;
  }
  
  .controls {
    flex-direction: column;
  }
}

/* ===== ANİMASYONLAR ===== */
@keyframes cardFlip {
  0% { transform: rotateY(0); }
  50% { transform: rotateY(90deg); }
  100% { transform: rotateY(180deg); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.card.flipped {
  animation: cardFlip 0.4s forwards;
}

.btn:hover {
  animation: pulse 0.5s infinite alternate;
}

/* ===== LIGHT THEME ===== */
body.light-theme {
  --dark-color: #e3f0ff; /* açık mavi arka plan */
  background-color: var(--dark-color);
  color: var(--light-color);
}

body.light-theme .game-container {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body.light-theme .card {
  background: #f6faff;
  color: var(--primary-color);
}

body.light-theme .card::before {
  color: #0f3460;
}

body.light-theme .card.flipped {
  background: var(--secondary-color);
  color: var(--light-color);
}

body.light-theme .card.matched {
  background: var(--success-color);
  color: var(--light-color);
}

body.light-theme .info-box {
  background: #e3f0ff;
  color: #111;
}

body.light-theme .value {
  color: #111;
}

body.light-theme .label {
  color: var(--secondary-color);
}

body.light-theme .btn {
  background: var(--secondary-color);
  color: var(--light-color);
}

body.light-theme .modal-content {
  background: var(--dark-color);
  color: var(--light-color);
  border: 2px solid var(--secondary-color);
}