body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #f0f0f0;
}

.control-panel {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 20px;
}

.wave-control {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    width: 250px;
}

h2 {
    margin-bottom: 10px;
}

.global-controls {
    margin-bottom: 20px;
}

canvas {
    background: white;
    border: 1px solid black;
}

.math-display {
    margin-top: 20px;
    font-size: 1.2rem;
}

.formula strong {
    color: green;
}