body {
  font-family: sans-serif;
  padding: 2rem;
  background: #f4f4f4;
}

h1 {
  margin-bottom: 2rem;
}

.oscillator-box {
  border: 2px solid #ccc;
  border-radius: 8px;
  padding: 1rem;
  background-color: #f4f4f4;
  margin-bottom: 1rem;
  width: 300px;
}
.oscillator-box h2 {
  font-weight: bold;
}

input[type="range"], input[type="number"] {
  width: 100%;
  margin-top: 0.5rem;
}

label {
  display: block;
  margin: 1rem 0 0.5rem;
}

#circleGraph {
  position: relative;
  width: 90vmin;
  height: 90vmin;
  min-width: 250px;
  min-height: 250px;
  max-width: 500px;
  max-height: 500px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: visible;
}

#circleGraph .pitch {
  position: absolute;
  width: 4vmin;
  height: 4vmin;
  background: #444;
  color: #ffffff;
  border-radius: 100%;
  text-align: center;
  line-height: 4vmin;
  font-family: var(--font-family, sans-serif);
  font-size: calc(var(--font-size, 1rem) * 0.75);
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
  padding: 0em .5em;
  border-radius: 50%;
  white-space: nowrap;
}

#categoryFilters {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.5);
  padding: 6px 12px;
  border-radius: 8px;
  display: flex;
  gap: 8px;
  color: white;
  font-family: sans-serif;
}
.circle-item {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 4px 8px;
  border-radius: 6px;
  text-align: center;
}