body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background-color: #121212;
    color: #ffffff;
}

.main-container {
    display: flex;
    align-items: center;
    gap: 30px;
}

#side-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#game-container, #camera-container {
    border: 2px solid #fff;
}

#game-container {
    width: 800px;
    height: 600px;
}

#camera-container {
    width: 320px;
    height: 240px;
}

#difficulty-controls {
    margin-top: 20px;
}

#difficulty-controls button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #333;
    color: #fff;
    border: 1px solid #fff;
    margin: 0 5px;
}

#difficulty-controls button:hover {
    background-color: #555;
}

#difficulty-controls button.selected {
    background-color: #007bff;
    border-color: #007bff;
    color: #fff;
}

#audio-controls {
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

#audio-controls button {
    padding: 10px 15px;
    font-size: 16px;
    cursor: pointer;
    background-color: #333;
    color: #fff;
    border: 1px solid #fff;
}

#audio-controls button:hover {
    background-color: #555;
}

#gameCanvas, #cameraCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

#introOverlay {
    position: fixed;
    inset: 0;
    background: #000;
    color: #0aff9d;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    z-index: 9999;
}

#introAscii {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 14px;
    line-height: 1.1;
    text-align: center;
    white-space: pre;
}

#startBtn {
    padding: 10px 20px;
    font-size: 18px;
    background: #111;
    color: #0aff9d;
    border: 1px solid #0aff9d;
    cursor: pointer;
}

#startBtn:hover {
    background: #0c0c0c;
}