body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #1a1a1a;
    overflow: hidden;
}

canvas {
    display: block;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

#controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#muteButton {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #0f0;
    color: #0f0;
    padding: 8px 12px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#muteButton:hover {
    background: rgba(0, 255, 0, 0.2);
}

.debug-hint {
    position: fixed;
    bottom: 20px;
    left: 20px;
    color: #0f0;
    font-family: monospace;
    font-size: 12px;
    opacity: 0.7;
    pointer-events: none;
}