.interactive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 70px);
  gap: 15px;
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  transition: gap 0.3s ease;
}
.interactive-grid .grid-item {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.controls {
  margin-bottom: 20px;
}
.controls label {
  display: inline-block;
  margin: 0 15px 10px 0;
  font-weight: bold;
}
.controls input[type="range"] {
  width: 120px;
  margin-left: 10px;
}
.controls span {
  display: inline-block;
  min-width: 40px;
  margin-left: 5px;
  font-weight: normal;
}