/**
 * FALAK ENTERPRISES DRY ICE SUPPLIER
 * Design System Tokens & CSS Variables
 *
 * Brand Palette:
 * - White:           #FFFFFF
 * - Ice Blue:        #B8E8EF
 * - Deep Ice Blue:   #078A9A
 * - Charcoal:        #252729
 * - Dark Charcoal:   #17191B
 * - Light Background:#F5F8F9
 */

:root {
  /* Brand Core Colors */
  --color-white: #FFFFFF;
  --color-ice-blue: #B8E8EF;
  --color-ice-blue-light: #EBF8FA;
  --color-deep-ice-blue: #078A9A;
  --color-deep-ice-blue-hover: #056975;
  --color-deep-ice-blue-dark: #034850;
  --color-charcoal: #252729;
  --color-dark-charcoal: #17191B;
  --color-light-bg: #F5F8F9;

  /* Extended Utility Shades */
  --color-gray-100: #F0F4F6;
  --color-gray-200: #E2E8EB;
  --color-gray-300: #CBD5DA;
  --color-gray-400: #9AA7AE;
  --color-gray-500: #687780;
  --color-gray-700: #373F45;
  --color-border: #E0E7EA;
  --color-border-subtle: rgba(7, 138, 154, 0.15);

  /* Semantic UI Tokens */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-light-bg);
  --bg-dark: var(--color-dark-charcoal);
  --bg-accent: var(--color-ice-blue);

  --text-primary: var(--color-dark-charcoal);
  --text-secondary: var(--color-charcoal);
  --text-muted: var(--color-gray-500);
  --text-inverse: var(--color-white);
  --text-accent: var(--color-deep-ice-blue);

  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-md: 1.125rem;   /* 18px */
  --font-size-lg: 1.25rem;    /* 20px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 1.875rem;  /* 30px */
  --font-size-3xl: 2.25rem;   /* 36px */
  --font-size-4xl: 3rem;      /* 48px */
  --font-size-5xl: 3.75rem;   /* 60px */

  /* Spacing Scale */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Layout Container */
  --container-max-width: 1240px;
  --container-narrow-width: 900px;
  --container-padding: 1.5rem;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(23, 25, 27, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(23, 25, 27, 0.08), 0 2px 4px -2px rgba(23, 25, 27, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(23, 25, 27, 0.08), 0 4px 6px -4px rgba(23, 25, 27, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(23, 25, 27, 0.1), 0 8px 10px -6px rgba(23, 25, 27, 0.04);
  --shadow-frost: 0 8px 30px rgba(7, 138, 154, 0.12);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-Index Hierarchy */
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-header: 1000;
  --z-modal-backdrop: 1500;
  --z-modal: 1600;
  --z-toast: 2000;
}