body {
  background: linear-gradient(135deg, #ff9966, #ff5e62);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}

h1 {
  margin: 20px 0;
}

#game-board {
  width: 320px;
  height: 320px;
  background: #bbada0;
  margin: 30px auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
}

.tile {
  width: 70px;
  height: 70px;
  border-radius: 8px;
  background: #cdc1b4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #776e65;
  transition: all 0.2s;
}

.tile[data-value="2"] { background: #eee4da; }
.tile[data-value="4"] { background: #ede0c8; }
.tile[data-value="8"] { background: #f2b179; color: #f9f6f2; }
.tile[data-value="16"] { background: #f59563; color: #f9f6f2; }
.tile[data-value="32"] { background: #f67c5f; color: #f9f6f2; }
.tile[data-value="64"] { background: #f65e3b; color: #f9f6f2; }
.tile[data-value="128"] { background: #edcf72; color: #f9f6f2; }
.tile[data-value="256"] { background: #edcc61; color: #f9f6f2; }
.tile[data-value="512"] { background: #edc850; color: #f9f6f2; }
.tile[data-value="1024"] { background: #edc53f; color: #f9f6f2; }
.tile[data-value="2048"] { background: #edc22e; color: #f9f6f2; }

#status {
  margin-top: 20px;
  font-size: 1.2rem;
}