body {
            margin: 0;
            padding: 0;
            background: #000;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;

        }

        .canvas-container {
            position: relative;
            width: 100vw;
            height: 100vh;
                        
        }

        canvas {
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .hud {
            position: fixed;
            color: #0a0;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 5px #0a0;
            z-index: 20;
            font-family: 'Courier New', Courier, monospace;
            top: 20px;
            left: 20px;
            font-size: 12px;
        }
        
        #overlay-image { display: none; }