body {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #f0f8ff;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.game-container {
    position: relative;
    margin-bottom: 20px;
}
canvas {
    border: 2px solid #0066cc;
    background-color: #f0f0f0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.controls {
    background-color: #e6f2ff;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 800px;
}
.controls h3 {
    margin-top: 0;
    color: #0066cc;
}
.key {
    display: inline-block;
    background-color: #ddd;
    padding: 5px 10px;
    border-radius: 4px;
    margin: 0 5px;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
}
.sprite-preview {
    margin-top: 20px;
    background-color: #e6f2ff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.sprite-preview h3 {
    width: 100%;
    color: #0066cc;
    margin-top: 0;
}
.sprite-frame {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.sprite-frame canvas {
    border: 1px solid #0066cc;
}
.sprite-frame span {
    margin-top: 5px;
    font-size: 14px;
    color: #333;
}
.mobile-controls {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
}
.game-btn {
    padding: 12px 24px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    border: 2px solid #333;
    background-color: #f0f0f0;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}
.game-btn:active {
    background-color: #ccc;
}