.plot-controls {
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  max-width: 400px;
  margin-bottom: 20px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.plot-controls div {
  margin-bottom: 15px;
}

.plot-controls label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: #333;
}

.plot-controls select,
.plot-controls input[type="range"] {
  width: 100%;
}

#plotly-div {
  border: 2px solid #4a90e2;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
  background: white;
  padding: 10px;
  height: 400px;
  max-width: 700px;
  margin: auto;
}