.controls-panel {
    align-items: center;
    text-align: center;
    flex: 1;
}

.brightness-chart-container {
    display: flex;
    align-items: flex-start;
}


.brightness-display {
    width: 30%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.brightness-block {
    width: 100%;
    height: 200px;
    border: 2px solid #000;
    background-color: #000;
}

.chart-container {
    flex: 1;
}

.slider-controls {
    align-items: center;
    gap: 20px;
}

.slider-controls .volume-control {
    margin: 0;
}

.selector-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
}

.selector-controls .scale-control {
    margin: 0;
}

.scale-control {
    margin: 10px 0;
}

.scale-control label {
    display: block;
}

.scale-control select {
    border: 2px double #000;
    padding: 5px;
}

.oscillator-control {
    margin: 10px 0;
}

.oscillator-control label {
    display: block;
}

.oscillator-control select {
    border: 1px solid #000;
}



#brightnessChart {
    border: 2px solid #000;
    background-color: white;
    width: 100%;
    height: 200px;

}