interactive-demo {
  display: block;
  border-radius: 12px;
  border: 1px solid var(--color-border, #e0e0e0);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.interactive-demo-0 {
  display: flex;
  background: var(--color-bg-surface, #f8f9fa);
  border-bottom: 1px solid var(--color-border, #e0e0e0);
}
.interactive-demo-1 {
  padding: 0.75rem 1.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.875rem;
}
.interactive-demo-2 {
  padding: 0.75rem 1.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.875rem;
}
.interactive-demo-3 {
  padding: 0.75rem 1.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.875rem;
}
.interactive-demo-5 {
  margin: 0;
  padding: 1.5rem;
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  overflow-x: auto;
}
.interactive-demo-7 {
  margin: 0;
  padding: 1.5rem;
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  overflow-x: auto;
}
.interactive-demo-8 {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  min-height: 220px;
  gap: 1.5rem;
}
.interactive-demo-9 {
  font-size: 4rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent, #007bff);
  line-height: 1;
}
.interactive-demo-10 {
  display: flex;
  gap: 0.75rem;
}
.interactive-demo-11 {
  padding: 0.625rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  background-color: var(--color-accent, #007bff);
  color: white;
  cursor: pointer;
}
.interactive-demo-11:hover { opacity: 0.9 }
.interactive-demo-12 {
  padding: 0.625rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 500;
  border: 1px solid var(--color-border, #dee2e6);
  border-radius: 8px;
  background-color: transparent;
  cursor: pointer;
}
.interactive-demo-12:hover { background-color: var(--color-bg-surface, #f8f9fa) }
.interactive-demo-13 {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #6c757d);
}