/**
 * CSTL Corporate Design System — Variables & Tokens
 * Client: Core Support Tanzania Limited
 * Brand: East African Industrial Authority
 */

:root {
  /* Brand Color Palette */
  --cstl-dark-900: #071017;
  --cstl-dark-800: #0D202B;
  --cstl-dark-700: #142E3E;
  --cstl-dark-600: #1D3F54;
  --cstl-dark-card: rgba(17, 34, 46, 0.75);
  --cstl-dark-card-hover: rgba(24, 48, 65, 0.9);

  /* Industrial Accents */
  --cstl-amber: #E4A11B;
  --cstl-amber-light: #FDBA3B;
  --cstl-amber-dark: #C6850E;
  --cstl-amber-glow: rgba(228, 161, 27, 0.2);
  --cstl-amber-glow-strong: rgba(228, 161, 27, 0.4);

  /* Safety & Status */
  --cstl-safety-green: #10B981;
  --cstl-safety-glow: rgba(16, 185, 129, 0.2);
  --cstl-blue-accent: #2563EB;
  --cstl-steel-border: rgba(255, 255, 255, 0.12);
  --cstl-steel-border-subtle: rgba(255, 255, 255, 0.06);

  /* Neutrals & Typography */
  --cstl-text-white: #FFFFFF;
  --cstl-text-primary: #F8FAFC;
  --cstl-text-secondary: #94A3B8;
  --cstl-text-muted: #64748B;
  --cstl-text-dark: #0F172A;

  /* Surfaces & Backgrounds */
  --cstl-bg-page: var(--cstl-dark-900);
  --cstl-bg-surface: var(--cstl-dark-800);
  --cstl-bg-light: #F8FAFC;
  --cstl-bg-light-surface: #FFFFFF;

  /* Typography Families */
  --cstl-font-display: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --cstl-font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --cstl-font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout Containers */
  --container-max: 1320px;
  --container-wide: 1440px;
  --container-narrow: 1040px;
  --container-pad: 1.5rem;

  /* Elevations & Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px var(--cstl-amber-glow);
  --shadow-glow-strong: 0 0 36px var(--cstl-amber-glow-strong);

  /* Glassmorphism */
  --glass-bg: rgba(13, 32, 43, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(16px);

  /* Border Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --trans-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --trans-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --trans-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-Index Hierarchy */
  --z-base: 1;
  --z-elevated: 10;
  --z-sticky: 100;
  --z-header: 500;
  --z-drawer: 800;
  --z-modal: 1000;
  --z-toast: 1100;
}