/* styles.css */
body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #faf8ef;
    font-family: Arial, sans-serif;
    margin: 0;
}

#score-container {
    font-size: 24px;
    margin-bottom: 20px;
}

#controls, #instructions {
    margin-bottom: 20px;
    text-align: center;
}

#controls button {
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 16px;
    cursor: pointer;
}

#game-board {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    background-color: #bbada0;
    border-radius: 10px;
    padding: 10px;
    width: 90vmin;
    height: 90vmin;
    position: relative;
}

.tile {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #cdc1b4;
    border-radius: 5px;
    font-size: 2em;
    font-weight: bold;
    color: #776e65;
    width: 100%;
    height: 100%;
}

.tile[data-value="2"] { background-color: #eee4da; color: #776e65; }
.tile[data-value="4"] { background-color: #ede0c8; color: #776e65; }
.tile[data-value="8"] { background-color: #f2b179; color: #f9f6f2; }
.tile[data-value="16"] { background-color: #f59563; color: #f9f6f2; }
.tile[data-value="32"] { background-color: #f67c5f; color: #f9f6f2; }
.tile[data-value="64"] { background-color: #f65e3b; color: #f9f6f2; }
.tile[data-value="128"] { background-color: #edcf72; color: #f9f6f2; }
.tile[data-value="256"] { background-color: #edcc61; color: #f9f6f2; }
.tile[data-value="512"] { background-color: #edc850; color: #f9f6f2; }
.tile[data-value="1024"] { background-color: #edc53f; color: #f9f6f2; }
.tile[data-value="2048"] { background-color: #edc22e; color: #f9f6f2; }
/* 你可以继续增加更多的色阶 */