/* ========================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ======================================== */

:root {
  /* ===== COLOR PALETTE ===== */

  /* Primary Brand Colors (from FlowCap Logo - Updated) */
  --flowcap-navy: #001331;           /* Primary navy (logo color) */
  --flowcap-dark-navy: #000a1f;      /* Darker navy variant */
  --flowcap-teal: #01b9a7;           /* Logo teal */
  --flowcap-blue-light: #0290de;     /* Logo light blue */
  --flowcap-cyan: #01c0d3;           /* Logo cyan */

  /* Action Colors */
  --flowcap-action: #01b9a7;         /* Primary CTA (teal from logo) */
  --flowcap-action-hover: #019688;   /* Hover state for CTAs */
  --flowcap-blue: #0290de;           /* Accent blue (from logo) */
  --flowcap-blue-hover: #0278c2;     /* Hover state for blue */

  /* Semantic Colors */
  --flowcap-success: #01b9a7;
  --flowcap-warning: #ffc107;
  --flowcap-error: #ff4757;
  --flowcap-info: #01c0d3;

  /* Neutral Colors */
  --flowcap-white: #ffffff;
  --flowcap-light: #f8f9fa;
  --flowcap-gray-light: #e9ecef;
  --flowcap-gray: #6c757d;
  --flowcap-gray-dark: #2c3e50;
  --flowcap-dark: #1a1a1a;
  --flowcap-black: #000000;

  /* Text Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #6c757d;
  --text-light: #ffffff;
  --text-muted: #999999;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-dark: #001331;
  --bg-gradient: linear-gradient(135deg, #01c0d3 0%, #01b9a7 100%);
  --bg-gradient-reverse: linear-gradient(135deg, #01b9a7 0%, #0290de 100%);

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

  /* Font Families */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes */
  --font-xs: 0.75rem;      /* 12px */
  --font-sm: 0.875rem;     /* 14px */
  --font-base: 1rem;       /* 16px */
  --font-lg: 1.125rem;     /* 18px */
  --font-xl: 1.25rem;      /* 20px */
  --font-2xl: 1.5rem;      /* 24px */
  --font-3xl: 1.875rem;    /* 30px */
  --font-4xl: 2.25rem;     /* 36px */
  --font-5xl: 3rem;        /* 48px */
  --font-6xl: 3.75rem;     /* 60px */

  /* Heading Sizes */
  --h1-size: 3.25rem;      /* 52px */
  --h2-size: 2.25rem;      /* 36px */
  --h3-size: 1.5rem;       /* 24px */
  --h4-size: 1.25rem;      /* 20px */
  --h5-size: 1.125rem;     /* 18px */
  --h6-size: 1rem;         /* 16px */

  /* Font Weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.8;

  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  /* ===== SPACING (8px GRID SYSTEM) ===== */

  --space-xs: 0.5rem;      /* 8px */
  --space-sm: 1rem;        /* 16px */
  --space-md: 1.5rem;      /* 24px */
  --space-lg: 2rem;        /* 32px */
  --space-xl: 3rem;        /* 48px */
  --space-2xl: 4rem;       /* 64px */
  --space-3xl: 5rem;       /* 80px */
  --space-4xl: 6rem;       /* 96px */
  --space-5xl: 8rem;       /* 128px */

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

  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);

  /* Colored Shadows */
  --shadow-cyan: 0 10px 25px -5px rgba(1, 192, 211, 0.3);
  --shadow-teal: 0 10px 25px -5px rgba(1, 185, 167, 0.3);
  --shadow-action: 0 10px 25px -5px rgba(1, 185, 167, 0.3);

  /* ===== BORDERS ===== */

  --border-radius-sm: 0.25rem;    /* 4px */
  --border-radius-md: 0.5rem;     /* 8px */
  --border-radius-lg: 0.75rem;    /* 12px */
  --border-radius-xl: 1rem;       /* 16px */
  --border-radius-2xl: 1.5rem;    /* 24px */
  --border-radius-full: 9999px;

  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 3px;

  --border-color-light: #e9ecef;
  --border-color-medium: #dee2e6;
  --border-color-dark: #adb5bd;

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

  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* ===== Z-INDEX LAYERS ===== */

  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* ===== CONTAINER & LAYOUT ===== */

  --container-xs: 540px;
  --container-sm: 720px;
  --container-md: 960px;
  --container-lg: 1140px;
  --container-xl: 1320px;

  --content-max-width: 1200px;

  /* ===== BREAKPOINTS ===== */
  /* Note: These are reference values for media queries, not used directly in CSS */

  /* Mobile: < 768px */
  /* Tablet: 768px - 1023px */
  /* Desktop: >= 1024px */
  /* Large Desktop: >= 1440px */
}