.operator-panel {
  position: absolute;
  bottom: 20px;
  left: 20px;
  width: 250px;
  background-color: #2b2b2b;
  border-radius: 4px;
  border: 1px solid #111;
  color: #ccc;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  user-select: none;
}

.operator-panel.hidden {
  display: none;
}

.operator-panel.collapsed .content {
    display: none;
}

.operator-panel .header {
  padding: 8px 10px;
  background-color: #333;
  border-bottom: 1px solid #111;
  border-radius: 4px 4px 0 0;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}

.operator-panel .header:hover {
    background-color: #3d3d3d;
}

.operator-panel .header .title {
  font-weight: 600;
}

.operator-panel .content {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.operator-panel .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.operator-panel input[type="number"] {
  width: 60px;
  background: #111;
  border: 1px solid #444;
  color: white;
  padding: 4px;
  border-radius: 2px;
}