body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f4f4f9;
}

h1 {
  margin: 20px 0;
}

#game-board {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  gap: 10px;
  width: fit-content;
  margin: 20px auto;
}


.tile {
    font-size: 30px !important; 
    font-weight: bold;
    color: black;    
    text-shadow:
      -1px -1px 0 white,
       1px -1px 0 white,
      -1px  1px 0 white,
       1px  1px 0 white;
    width: 100px;
    height: 100px;
    background-color: blue !important; /* Force color */
    border: 2px solid yellow; /* Outline tiles */
    text-align: center;
    line-height: 100px; /* Match height for vertical centering */
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
}


.tile.flipped {
    background-color: white;
}

.tile.matched {
    background-color: pink;
    pointer-events: none; /* Prevent further clicks */
}

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


#message {
  margin: 20px;
  font-size: 18px;
  color: #4caf50;
}

#reset-button {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#reset-button:hover {
  background-color: #45a049;
}