body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
    background-color: #f8f9fa;
}

.controls-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.control-group {
    display: flex;
    flex-direction: column;
}

label {
    font-size: 12px;
    margin-bottom: 5px;
    color: #666;
}

select {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 160px;
    cursor: pointer;
    background-color: #fff;
}

#chart-container {
    background: white;
    border: 2px solid #ddd;
    border-radius: 20px;
    padding: 20px;
    min-height: 500px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

#plotly-js-chart {
    height: 500px;
    width: 100%;
}