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

body {
    background-color: #000;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    color: #0f0;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    padding: 20px;
    z-index: 10;
}

#score {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 24px;
}

#lives {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
}

#stage-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    text-align: center;
}

#transition-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    text-align: center;
    display: none;
    z-index: 20;
}