:root {
  /* Primary Palette */
  --color-primary: #FF6F00;
  --color-primary-light: #FFA040;
  --color-primary-dark: #E65100;
  --color-secondary: #800020;
  --color-secondary-light: #A3274F;
  --color-accent: #C9A84C;
  --color-accent-light: #E0C97A;

  /* Neutrals */
  --color-bg: #FFF8F0;
  --color-surface: #FFFFFF;
  --color-surface-alt: #FFF3E6;
  --color-border: #E0D5C8;
  --color-border-light: #F0E8DE;
  --color-text: #1A1A2E;
  --color-text-secondary: #5A5A72;
  --color-text-muted: #8E8E9E;
  --color-text-inverse: #FFFFFF;

  /* Status Colors */
  --color-success: #2E7D32;
  --color-success-bg: #E8F5E9;
  --color-warning: #F57F17;
  --color-warning-bg: #FFF8E1;
  --color-error: #C62828;
  --color-error-bg: #FFEBEE;
  --color-info: #1565C0;
  --color-info-bg: #E3F2FD;
  --color-pending: #E65100;
  --color-pending-bg: #FFF3E0;
  --color-partial: #F9A825;
  --color-partial-bg: #FFFDE7;
  --color-consumed: #2E7D32;
  --color-consumed-bg: #E8F5E9;

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

  /* Typography */
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.875rem;
  --fs-3xl: 2.25rem;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --lh-tight: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.75;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
  --radius-circle: 50%;

  /* Shadows — layered for depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-focus: 0 0 0 3px rgba(255, 111, 0, 0.25);
  --shadow-focus-success: 0 0 0 3px rgba(46, 125, 50, 0.25);
  --shadow-focus-error: 0 0 0 3px rgba(198, 40, 40, 0.25);
  --shadow-primary-glow: 0 4px 14px rgba(255, 111, 0, 0.3);
  --shadow-success-glow: 0 4px 14px rgba(46, 125, 50, 0.25);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04);

  /* Gradients — reusable */
  --gradient-primary: linear-gradient(135deg, #FF6F00 0%, #E65100 100%);
  --gradient-success: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%);
  --gradient-danger: linear-gradient(135deg, #C62828 0%, #B71C1C 100%);
  --gradient-surface: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  --gradient-warm: linear-gradient(135deg, #FFF8F0 0%, #FFF3E6 100%);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Layout */
  --header-height: 64px;
  --nav-height: 48px;
  --max-width: 1280px;
  --sidebar-width: 320px;

  /* === Enhanced Nav & Header Tokens === */
  /* Gold accent system */
  --color-gold: #D4AF37;
  --color-gold-light: #E8D48B;
  --color-gold-dark: #B8941E;
  --color-gold-glow: rgba(212, 175, 55, 0.35);

  /* Header gradients */
  --header-gradient: linear-gradient(135deg, #4A0E1E 0%, #800020 40%, #5a1a30 100%);
  --nav-bg: rgba(0, 0, 0, 0.22);
  --nav-bg-blur: blur(8px);

  /* Nav active/hover */
  --nav-active-bg: rgba(212, 175, 55, 0.15);
  --nav-active-border: var(--color-gold);
  --nav-hover-bg: rgba(255, 255, 255, 0.07);
  --nav-link-color: rgba(255, 255, 255, 0.65);
  --nav-link-active-color: #FFFFFF;

  /* Logo */
  --logo-bg: rgba(212, 175, 55, 0.12);
  --logo-border: rgba(212, 175, 55, 0.3);
  --logo-size: 42px;

  /* Mobile drawer */
  --drawer-width: 300px;
  --drawer-header-bg: linear-gradient(135deg, #4A0E1E 0%, #6B1530 100%);
  --drawer-active-bg: linear-gradient(90deg, rgba(212, 175, 55, 0.12) 0%, transparent 100%);
  --drawer-active-border: var(--color-gold);

  /* Shadows - enhanced */
  --shadow-header: 0 4px 20px rgba(0, 0, 0, 0.15), 0 1px 4px rgba(0, 0, 0, 0.1);
  --shadow-nav-glow: 0 0 12px rgba(212, 175, 55, 0.2);
  --shadow-drawer: 8px 0 30px rgba(0, 0, 0, 0.25);
}