body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Orbitron', monospace;
    overflow: hidden;
}

canvas {
    border: 2px solid #00ffff;
    box-shadow: 0 0 20px #00ffff, 0 0 40px #00ffff;
    background: radial-gradient(ellipse at center, #0a0a0a 0%, #000000 70%);
}