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

#gameContainer {
    position: relative;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

#gameCanvas {
    background: linear-gradient(180deg, #2a2a4a 0%, #1a1a2e 100%);
    border-radius: 15px;
}

.ui {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    color: #fff;
    font-size: 20px;
}

#score, #highScore {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 8px 15px;
    border-radius: 20px;
}

#gameOver {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    padding: 30px;
    color: #fff;
    font-size: 32px;
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
}

#startScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 24px;
    text-align: center;
}