/* ============================================
   PCX (Nafco Company) - CSS Design Tokens
   ============================================ */

:root {
  /* ========== Brand Colors ========== */
  /* Updated to vibrant HSL colors */
  --color-primary: hsl(200, 100%, 42%);
  --color-primary-dark: hsl(200, 100%, 32%);
  --color-primary-light: hsl(200, 95%, 55%);
  --color-primary-alpha: hsla(200, 100%, 42%, 0.12);

  --color-secondary: hsl(152, 100%, 28%);
  --color-secondary-dark: hsl(152, 100%, 20%);
  --color-secondary-light: hsl(152, 90%, 38%);
  --color-secondary-alpha: hsla(152, 100%, 28%, 0.12);

  /* Accent colors for interactive elements */
  --color-accent: hsl(280, 70%, 55%);
  --color-accent-warm: hsl(25, 95%, 55%);

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #0a0a0a;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, hsl(200, 100%, 42%) 0%, hsl(152, 100%, 28%) 100%);
  --gradient-primary-soft: linear-gradient(135deg, hsl(200, 95%, 55%) 0%, hsl(152, 90%, 38%) 100%);
  --gradient-hero: linear-gradient(135deg, hsl(200, 100%, 42%) 0%, hsl(200, 100%, 32%) 50%, hsl(152, 100%, 28%) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
  --gradient-accent: linear-gradient(135deg, hsl(280, 70%, 55%) 0%, hsl(200, 100%, 42%) 100%);

  /* ========== Typography ========== */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Font Sizes - Mobile First */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */
  --text-7xl: 4.5rem;
  /* 72px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* ========== Spacing ========== */
  --space-0: 0;
  --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 */
  --space-32: 8rem;
  /* 128px */

  /* ========== Layout ========== */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* ========== Borders ========== */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  /* 4px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 0.75rem;
  /* 12px */
  --radius-xl: 1rem;
  /* 16px */
  --radius-2xl: 1.5rem;
  /* 24px */
  --radius-3xl: 2rem;
  /* 32px */
  --radius-full: 9999px;

  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;

  /* ========== 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-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Colored Shadows */
  --shadow-primary: 0 10px 40px -10px rgba(0, 116, 190, 0.4);
  --shadow-secondary: 0 10px 40px -10px rgba(0, 103, 48, 0.4);

  /* ========== Transitions ========== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;

  --ease-in-out-cubic: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ========== Z-Index ========== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;

  /* ========== Glassmorphism ========== */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-dark: rgba(0, 0, 0, 0.3);
  --glass-blur: blur(12px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ========== Dark Mode Variables ========== */
/* Auto dark mode based on system preference */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: rgba(30, 30, 30, 0.8);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* Manual dark mode toggle class */
body.dark-mode {
  /* Background Colors */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;

  /* Text Colors */
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;

  /* Surface Colors */
  --color-surface: #1e293b;
  --color-surface-elevated: #334155;
  --color-surface-hover: #475569;

  /* Border Colors */
  --color-border: #334155;
  --color-border-light: #475569;

  /* Keep brand colors but adjust for dark mode if needed */
  --color-primary-alpha: rgba(59, 130, 246, 0.2);

  /* DO NOT invert neutral colors here if they are used for absolute values */
  /* Instead, override specific components or use semantic variables */
  --color-white: #ffffff;
  /* Keep white as white */

  /* Adjust gray palette for dark mode text/elements, not backgrounds */
  --color-gray-50: #1e293b;
  --color-gray-100: #334155;
  --color-gray-200: #475569;
  --color-gray-300: #64748b;
  --color-gray-400: #94a3b8;
  --color-gray-500: #cbd5e1;
  --color-gray-600: #e2e8f0;
  --color-gray-700: #f1f5f9;
  --color-gray-800: #f8fafc;
  --color-gray-900: #ffffff;

  /* Shadows for dark mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8), 0 10px 10px -5px rgba(0, 0, 0, 0.5);

  /* Glassmorphism for dark mode */
  --glass-bg: rgba(30, 41, 59, 0.8);
  --glass-bg-dark: rgba(15, 23, 42, 0.9);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}