body {
  margin: 0;
  padding: 0;
  font-family: 'Quicksand', sans-serif;
  background: #f0ece3;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.game-container {
  text-align: center;
}

h1 {
  font-size: 48px;
  color: #776e65;
  margin-bottom: 10px;
}

.score-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 15px;
}

#score {
  font-size: 20px;
  background: #eee4da;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: bold;
}

button {
  padding: 10px 20px;
  background-color: #8f7a66;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

button:hover {
  background-color: #a18774;
}

#grid-container {
  display: grid;
  grid-template-columns: repeat(4, 80px);
  grid-template-rows: repeat(4, 80px);
  gap: 10px;
  background: #bbada0;
  padding: 10px;
  border-radius: 10px;
  width: max-content;
  margin: auto;
}

.tile {
  width: 80px;
  height: 80px;
  background-color: #cdc1b4;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: bold;
  border-radius: 5px;
  transition: all 0.1s ease-in-out;
}

.hidden {
  display: none;
}

#message {
  margin-top: 20px;
  font-size: 24px;
  color: #333;
  font-weight: bold;
}

.tile-2    { background: #eee1c9; color: #776e65; }
.tile-4    { background: #ebd8b7; color: #776e65; }
.tile-8    { background: #f28c5e; color: #f9f6f2; }
.tile-16   { background: #f57c5f; color: #f9f6f2; }
.tile-32   { background: #f75f3b; color: #f9f6f2; }
.tile-64   { background: #ec3d1f; color: #f9f6f2; }
.tile-128  { background: #edcf5f; color: #f9f6f2; }
.tile-256  { background: #edc22e; color: #f9f6f2; }
.tile-512  { background: #e8ba14; color: #f9f6f2; }
.tile-1024 { background: #e4ac00; color: #f9f6f2; }
.tile-2048 { background: #e0a000; color: #f9f6f2; }