body {
    background-color: #1a1a1a;
    color: #0f0; /* Verde fósforo estilo terminal */
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.game-container {
    text-align: center;
}

h1 { margin: 0; text-shadow: 0 0 10px #0f0; }

canvas {
    background-color: #000;
    border: 4px solid #333;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
    display: block;
    margin: 20px auto;
}

#score-board {
    font-size: 24px;
    margin-top: 10px;
}