/**
 * SignShield Design Tokens
 *
 * Central source of truth for all design values.
 * Import this file first in any stylesheet.
 */

:root {
  /* ==========================================
   * COLORS
   * ========================================== */

  /* Primary Colors */
  --color-navy: #1E2A3B;
  --color-royal-blue: #2D7DD2;
  --color-slate: #5A6978;

  /* Secondary Colors */
  --color-sky-blue: #4A9FE8;
  --color-light-blue: #E8F4FC;
  --color-ice: #F5F9FC;

  /* Semantic Colors */
  --color-success: #059669;
  --color-success-light: #D1FAE5;
  --color-warning: #D97706;
  --color-warning-light: #FEF3C7;
  --color-error: #DC2626;
  --color-error-light: #FEE2E2;
  --color-info: #2D7DD2;
  --color-info-light: #E8F4FC;

  /* Neutral Colors */
  --color-gray-900: #111827;
  --color-gray-700: #374151;
  --color-gray-500: #6B7280;
  --color-gray-400: #9CA3AF;
  --color-gray-300: #D1D5DB;
  --color-gray-100: #F3F4F6;
  --color-white: #FFFFFF;

  /* ==========================================
   * TYPOGRAPHY
   * ========================================== */

  /* Font Families */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Font Sizes */
  --text-display: 3rem;      /* 48px */
  --text-h1: 2.25rem;        /* 36px */
  --text-h2: 1.875rem;       /* 30px */
  --text-h3: 1.5rem;         /* 24px */
  --text-h4: 1.25rem;        /* 20px */
  --text-body-lg: 1.125rem;  /* 18px */
  --text-body: 1rem;         /* 16px */
  --text-body-sm: 0.875rem;  /* 14px */
  --text-caption: 0.75rem;   /* 12px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.25;
  --leading-h3: 1.3;
  --leading-h4: 1.4;
  --leading-body: 1.6;
  --leading-body-sm: 1.5;
  --leading-caption: 1.4;

  /* ==========================================
   * SPACING
   * ========================================== */

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* ==========================================
   * BORDER RADIUS
   * ========================================== */

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* ==========================================
   * SHADOWS
   * ========================================== */

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* ==========================================
   * TRANSITIONS
   * ========================================== */

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* ==========================================
   * LAYOUT
   * ========================================== */

  /* Container Max Widths */
  --container-narrow: 640px;
  --container-default: 1024px;
  --container-wide: 1280px;

  /* Breakpoints (for reference - use in media queries) */
  /* sm: 640px, md: 768px, lg: 1024px, xl: 1280px, 2xl: 1536px */
}