body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #1a1a2e;
    font-family: 'Arial', sans-serif;
    color: #ffffff;
}

.game-container {
    position: relative;
    width: 400px;
    height: 600px;
}

canvas {
    border: 2px solid #16213e;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#score, #lives {
    position: absolute;
    top: 10px;
    font-size: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

#score {
    left: 10px;
}

#lives {
    right: 10px;
}

#gameOver {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(22, 33, 62, 0.9);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#gameOver h2 {
    margin-top: 0;
    color: #e94560;
}

#continueBtn {
    background-color: #e94560;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

#continueBtn:hover {
    background-color: #c13e54;
}

.hidden {
    display: none;
}