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

body {
  font-family: 'Arial', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #faf8ef;
}

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

h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

#grid-container {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  grid-template-rows: repeat(4, 100px);
  gap: 10px;
  margin-bottom: 20px;
  position: relative;
  border: 10px solid #7d7d7d;
  background-color: #b2a29a;
  border-radius: 12px;
}

.tile {
  width: 100px;
  height: 100px;
  background-color: #d6cdc0;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  font-weight: bold;
  color: white;
  position: absolute;
  transition: transform 0.2s ease-in-out;
}

.tile-2 { background-color: #f3f5ec; color: #464444; }
.tile-4 { background-color: #f7edd2; color: #464444; }
.tile-8 { background-color: #f2b179;}
.tile-16 { background-color: #ee9649; }
.tile-32 { background-color: #f05050; }
.tile-64 { background-color: #f03939; }
.tile-128 { background-color: #edcc5c; }
.tile-256 { background-color: #edc53f; }
.tile-512 { background-color: #edc22e; }
.tile-1024 { background-color: #edc22e; }
.tile-2048 { background-color: #eec22e; }