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

body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #ffffff;
}

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

#gameCanvas {
    border: 2px solid #333;
    display: block;
    margin: 0 auto;
    background-color: #000000;
}

.controls {
    margin-top: 20px;
    font-size: 18px;
}

.controls p {
    margin: 10px 0;
}

.game-over {
    margin-top: 20px;
    font-size: 24px;
}

.game-over h2 {
    margin-bottom: 10px;
    color: #ff4444;
}

.game-over.hidden {
    display: none;
}