.interactive-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  background: #e9ecef;
  padding: 20px;
  border-radius: 4px;
  margin-bottom: 15px;
}

.interactive-item {
  background: #495057;
  color: white;
  padding: 20px;
  text-align: center;
  border-radius: 4px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.demo-item {
  background: #007bff;
  grid-column: 2 / 4;
}

.demo-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.demo-button {
  padding: 8px 16px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.3s ease;
}

.demo-button:hover {
  background: #0056b3;
}

.demo-button.active {
  background: #28a745;
}