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

body {
    background-color: #0a0a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Nanum Gothic', 'Malgun Gothic', sans-serif;
}

#game-container {
    position: relative;
    width: 800px;
    height: 500px;
    box-shadow: 0 0 40px rgba(0, 100, 255, 0.4);
    border: 2px solid #1a3a6a;
}

canvas {
    display: block;
}