:root {
  /* Consumer brand — teal (aligned with tenant admin) */
  --iph-consumer-primary: #0d9488;
  --iph-consumer-primary-light: #14b8a6;
  --iph-consumer-primary-dark: #0f766e;
  --iph-consumer-primary-soft: #f0fdfa;
  --iph-consumer-secondary: #475569;
  --iph-consumer-secondary-soft: #f1f5f9;
  --iph-consumer-accent: #047857;
  --iph-consumer-warm: #f59e0b;
  --iph-consumer-warm-soft: #fffbeb;
  --iph-consumer-ink-dark: #071614;
  --iph-consumer-bg: #f7faf9;
  --iph-consumer-surface: #ffffff;
  --iph-consumer-text: #0f172a;
  --iph-consumer-muted: #64748b;
  --iph-consumer-border: #e2e8f0;
  --iph-consumer-danger: #dc2626;
  --iph-consumer-on-primary: #ffffff;

  /* Operator brand — aligned with OperatorBrand.cs / WPF PosAccent */
  --iph-operator-primary: #2563eb;
  --iph-operator-primary-light: #3b82f6;
  --iph-operator-primary-dark: #1d4ed8;
  --iph-operator-accent: #0d9488;
  --iph-operator-bg: #f1f5f9;
  --iph-operator-surface: #ffffff;
  --iph-operator-text: #0f172a;
  --iph-operator-muted: #64748b;
  --iph-operator-border: #cbd5e1;
  --iph-operator-on-primary: #ffffff;
  --iph-operator-danger: #dc2626;

  /* Core spacing (4px base) */
  --iph-space-1: 0.25rem;
  --iph-space-2: 0.5rem;
  --iph-space-3: 0.75rem;
  --iph-space-4: 1rem;
  --iph-space-5: 1.25rem;
  --iph-space-6: 1.5rem;
  --iph-space-8: 2rem;
  --iph-space-10: 2.5rem;
  --iph-space-12: 3rem;
  --iph-space-16: 4rem;

  /* Core radius */
  --iph-radius-xs: 4px;
  --iph-radius-sm: 8px;
  --iph-radius-md: 12px;
  --iph-radius-lg: 16px;
  --iph-radius-xl: 20px;
}