#qgb-launch-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 999999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #000;
    color: #ff0000;
    border: 2px solid #ff0000;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(255,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

#qgb-launch-btn:hover {
    transform: scale(1.1);
    background: #1a0000;
}

#qgb-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 1000000;
    display: flex;
    align-items: center;
    justify-content: center;
}

#qgb-game-container {
    position: relative;
    width: 800px;
    height: 600px;
    max-width: 95vw;
    max-height: 95vh;
    border: 4px solid #333;
    background: #111;
    overflow: hidden;
}

#qgb-canvas {
    width: 100%;
    height: 100%;
    display: block;
    image-rendering: pixelated;
}

#qgb-ui {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    font-family: 'Courier New', Courier, monospace;
    color: #ff0000;
    text-shadow: 2px 2px #000;
}

#qgb-score {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 24px;
}

#qgb-health {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-size: 24px;
}

#qgb-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 30px;
    color: #0f0;
}

#qgb-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    pointer-events: auto;
}

#qgb-instructions {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    font-size: 14px;
    color: #888;
}