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

body {
    background: #000;
    color: #fff;
    font-family: 'Courier New', monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

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

.hud {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto;
}

canvas {
    display: block;
    margin: 0 auto;
    border: 2px solid #fff;
    background: #000;
}

.game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 40px;
    border: 3px solid #fff;
    text-align: center;
}

.game-over h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ff0000;
}

.game-over p {
    font-size: 20px;
    margin: 10px 0;
}

.hidden {
    display: none;
}

.controls {
    margin-top: 20px;
    padding: 20px;
    font-size: 14px;
    color: #888;
}

.controls p {
    margin: 5px 0;
}