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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    overflow: hidden;
    color: white;
}

#gameContainer {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#gameArea {
    width: 100%;
    height: 100%;
}

#ui {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

#score {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #00ff88;
}

#lives {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #ff6b6b;
}

#power {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #00ccff;
    line-height: 1.2;
}

#instructions {
    font-size: 14px;
    line-height: 1.5;
}

#instructions p {
    margin-bottom: 5px;
}

canvas {
    display: block;
    cursor: crosshair;
}

#gameArea {
    cursor: crosshair;
}

#gameArea:active {
    cursor: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQiIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPGNpcmNsZSBjeD0iMTIiIGN5PSIxMiIgcj0iMiIgZmlsbD0iIzAwZmY4OCIvPgo8L3N2Zz4K') 12 12, crosshair;
}