/**
 * AgentFlow Design Tokens
 * Source: NERD STUFF/Web_Design_System/tokens-agentflow.css
 */

/* ===================================
   BREAKPOINTS (Reference Only)
   CSS custom properties can't be used in @media queries.
   These are documented here for consistency.

   --breakpoint-sm: 480px   (mobile small)
   --breakpoint-md: 640px   (mobile large)
   --breakpoint-lg: 768px   (tablet)
   --breakpoint-xl: 1024px  (desktop)
   --breakpoint-2xl: 1280px (large desktop)
   =================================== */

:root {
  /* Brand Colors */
  --color-primary: #1E40AF;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1E3A8A;
  --color-secondary: #059669;
  --color-secondary-light: #10B981;
  --color-secondary-dark: #047857;
  --color-accent: #F59E0B;
  --color-accent-light: #FBBF24;
  --color-accent-dark: #D97706;

  /* Neutral Scale */
  --color-neutral-50: #F9FAFB;
  --color-neutral-100: #F3F4F6;
  --color-neutral-200: #E5E7EB;
  --color-neutral-300: #D1D5DB;
  --color-neutral-400: #9CA3AF;
  --color-neutral-500: #6B7280;
  --color-neutral-600: #4B5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1F2937;
  --color-neutral-900: #111827;

  /* Background Colors */
  --color-bg-dark: #0F172A;
  --color-bg-dark-secondary: #1E293B;
  --color-bg-light: #FFFFFF;
  --color-bg-light-secondary: #F8FAFC;

  /* Semantic Colors */
  --color-success: #059669;
  --color-warning: #F59E0B;
  --color-error: #DC2626;
  --color-info: #3B82F6;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --font-size-h1: clamp(2.5rem, 5vw, 3.75rem);
  --font-size-h2: clamp(2rem, 4vw, 3rem);
  --font-size-h3: clamp(1.5rem, 3vw, 2.25rem);
  --font-size-h4: 1.875rem;
  --font-size-h5: 1.5rem;
  --font-size-h6: 1.25rem;
  --font-size-body-large: 1.125rem;
  --font-size-body: 1rem;
  --font-size-body-small: 0.875rem;
  --font-size-caption: 0.75rem;

  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.75;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow-primary: 0 0 30px rgba(30, 64, 175, 0.2);
  --shadow-glow-secondary: 0 0 30px rgba(5, 150, 105, 0.2);

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