/* ============================================================
   e-Commerce Fences - Design Tokens
   "Precision industrielle, confiance absolue"
   ============================================================ */

:root {
  /* === Colors: Industrial Palette === */
  --color-primary: #374151;
  --color-primary-light: #4B5563;
  --color-primary-dark: #1F2937;
  --color-secondary: #64748B;
  --color-secondary-light: #94A3B8;

  --color-cta: #EA580C;
  --color-cta-hover: #C2410C;
  --color-cta-light: #FB923C;
  --color-cta-bg: #FFF7ED;

  --color-bg: #F9FAFB;
  --color-bg-alt: #F3F4F6;
  --color-surface: #FFFFFF;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;
  --color-border: #D1D5DB;
  --color-border-light: #E5E7EB;

  --color-success: #059669;
  --color-success-light: #D1FAE5;
  --color-warning: #D97706;
  --color-warning-light: #FEF3C7;
  --color-error: #DC2626;
  --color-error-light: #FEE2E2;
  --color-info: #2563EB;
  --color-info-light: #DBEAFE;

  /* === Admin Sidebar === */
  --admin-sidebar-bg: #1F2937;
  --admin-sidebar-hover: #374151;
  --admin-sidebar-text: #E5E7EB;
  --admin-sidebar-text-muted: #9CA3AF;
  --admin-sidebar-accent: #EA580C;
  --admin-sidebar-width: 260px;
  --admin-sidebar-collapsed: 64px;

  /* === Typography === */
  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Rubik', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-admin: 'Fira Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* === Spacing === */
  --space-0: 0;
  --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;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* === Border Radius === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* === Z-Index === */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;

  /* === Container === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;

  /* === Navbar === */
  --navbar-height: 72px;
  --navbar-mobile-height: 60px;
}