/* NLarchive Control Panel - Uniform Style for All Demos */
.nl-control-panel {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  margin: 2rem auto; /* Center horizontally, keep vertical margin */
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  border: 2px solid #e2e8f0;
  max-width: 1000px; /* Match the max-width of .demo-content */
}

.nl-control-panel__title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--nl-dark, #1a1d23);
  text-align: center;
}

.nl-control-panel__desc {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--nl-text, #2d3748);
}

.nl-control-panel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.nl-control-panel .control-group {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 0.5rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.nl-control-panel .control-group:hover {
  border-color: var(--nl-primary, #0066cc);
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
}

.nl-control-panel .control-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--nl-dark, #1a1d23);
}

.nl-control-panel .control-group input,
.nl-control-panel .control-group select,
.nl-control-panel .control-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.nl-control-panel .control-group input:focus,
.nl-control-panel .control-group select:focus,
.nl-control-panel .control-group textarea:focus {
  outline: none;
  border-color: var(--nl-primary, #0066cc);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.nl-control-panel .control-group input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  padding: 0;
}

.nl-control-panel .control-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--nl-primary, #0066cc);
  border-radius: 50%;
  cursor: pointer;
}

.nl-control-panel .control-group input[type="color"] {
  height: 50px;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
}

.nl-control-panel .apply-btn {
  margin-top: 1.5rem;
  background: var(--nl-primary, #0066cc);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.nl-control-panel .apply-btn:hover {
  background: var(--nl-secondary, #00bfae) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 102, 204, 0.3);
}

.nl-control-panel #reset-body-changes:hover {
  background: #d1d5db !important;
  transform: translateY(-2px);
}