body {
  margin: 0;
  font-family: sans-serif;
  background: #0b1220;
  color: #fff;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 {
  text-align: center;
  margin-bottom: 40px;
}

.panel {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

input[type="range"] {
  width: 100%;
}

.result {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 30px 0;
}

.result div {
  background: rgba(255,255,255,0.05);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
}

.chartBox {
  height: 320px;
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 10px;
}