/* 2048 Game Custom Styles */

/* Game board container */
.game-container {
  width: 100%;
  max-width: 500px;
  padding: 10px;
}

/* Game grid */
.game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 10px;
  aspect-ratio: 1/1;
  width: 100%;
  border-radius: 0.5rem;
  background-color: #bbada0;
  padding: 10px;
  position: relative;
}

.dark .game-grid {
  background-color: #6b7280;
}

/* Tile styling */
.tile {
  border-radius: 3px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 24px;
  position: absolute;
  width: calc(25% - 10px);
  height: calc(25% - 10px);
  transition: all 0.1s;
  z-index: 10;
}

/* Tile colors based on value */
.tile-2 {
  background-color: #eee4da;
  color: #776e65;
}

.tile-4 {
  background-color: #ede0c8;
  color: #776e65;
}

.tile-8 {
  background-color: #f2b179;
  color: white;
}

.tile-16 {
  background-color: #f59563;
  color: white;
}

.tile-32 {
  background-color: #f67c5f;
  color: white;
}

.tile-64 {
  background-color: #f65e3b;
  color: white;
}

.tile-128 {
  background-color: #edcf72;
  color: white;
  font-size: 20px;
}

.tile-256 {
  background-color: #edcc61;
  color: white;
  font-size: 20px;
}

.tile-512 {
  background-color: #edc850;
  color: white;
  font-size: 20px;
}

.tile-1024 {
  background-color: #edc53f;
  color: white;
  font-size: 16px;
}

.tile-2048 {
  background-color: #edc22e;
  color: white;
  font-size: 16px;
  box-shadow: 0 0 10px rgba(237, 194, 46, 0.8);
}

/* Tile animations */
@keyframes appear {
  0% { opacity: 0; transform: scale(0); }
  100% { opacity: 1; transform: scale(1); }
}

.tile-new {
  animation: appear 200ms ease-in-out;
}

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

.tile-merged {
  animation: pop 200ms ease-in-out;
  z-index: 20;
}

/* Empty cell styling */
.empty-cell {
  background-color: rgba(238, 228, 218, 0.35);
  border-radius: 3px;
  aspect-ratio: 1/1;
}

.dark .empty-cell {
  background-color: rgba(55, 65, 81, 0.7);
}

/* Responsive font sizes */
@media (max-width: 640px) {
  .tile {
    font-size: 20px;
  }
  
  .tile-128, .tile-256, .tile-512 {
    font-size: 16px;
  }
  
  .tile-1024, .tile-2048 {
    font-size: 14px;
  }
}

@media (max-width: 400px) {
  .tile {
    font-size: 16px;
  }
  
  .tile-128, .tile-256, .tile-512 {
    font-size: 14px;
  }
  
  .tile-1024, .tile-2048 {
    font-size: 12px;
  }
}

/* Touch gestures area */
#game-board {
  touch-action: none;
}