body {
  margin: 0;
  background: #050505;
  color: #00ff9c;
  font-family: monospace;
}

nav {
  padding: 12px;
  border-bottom: 1px solid #111;
}

main {
  padding: 20px;
}

button {
  background: #000;
  color: #00ff9c;
  border: 1px solid #333;
  padding: 6px 12px;
  margin: 4px;
  cursor: pointer;
}

#scope {
  width: 100%;
  height: 150px;
  background: #000;
  margin: 20px 0;
  pointer-events: none;
}

.panel {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.knob {
  width: 80px;
  text-align: center;
  cursor: pointer;
  user-select: none;
}

.dial {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #111;
  border: 2px solid #333;
  margin: auto;
  position: relative;
}

.dial::after {
  content: "";
  width: 2px;
  height: 20px;
  background: #00ff9c;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
}

.module {
  border: 1px solid #222;
  padding: 10px;
  min-width: 140px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}

.step {
  height: 18px;
  background: #111;
  border: 1px solid #333;
}

.step.active {
  background: #00ff9c;
}