/* ============================================
   BitScaleFX African Lifestyle Theme
   Design Tokens + Base Styles
   Dual Light/Dark Theme System
   ============================================ */

/* ── Light Theme (Default) ── */
:root,
[data-theme="light"] {
  /* Surface Colors - Warm Cream & Off-White */
  --color-bg-primary: #FAF7F2;
  --color-bg-secondary: #F5F0E8;
  --color-bg-card: #FFFFFF;
  --color-bg-card-hover: #FDF9F3;
  --color-bg-elevated: #FFFFFF;
  --color-bg-modal: rgba(250, 247, 242, 0.98);
  --color-bg-overlay: rgba(62, 46, 34, 0.6);
  --color-bg-subtle: #F0EBE3;
  
  /* Primary Accent - Savanna Gold */
  --color-primary: #C4941A;
  --color-primary-rgb: 196, 148, 26;
  --color-primary-hover: #D4A422;
  --color-primary-muted: rgba(196, 148, 26, 0.12);
  --color-primary-contrast: #FFFFFF;
  
  /* Secondary Accent - Earth Brown */
  --color-secondary: #7A5C3E;
  --color-secondary-rgb: 122, 92, 62;
  --color-secondary-hover: #8B6D4F;
  --color-secondary-muted: rgba(122, 92, 62, 0.12);
  
  /* Tertiary - Clay/Terracotta */
  --color-tertiary: #B8734A;
  --color-tertiary-rgb: 184, 115, 74;
  
  /* Status Colors - High Contrast */
  --color-success: #2D7A4F;
  --color-success-rgb: 45, 122, 79;
  --color-success-bg: rgba(45, 122, 79, 0.1);
  --color-danger: #C03C3C;
  --color-danger-rgb: 192, 60, 60;
  --color-danger-bg: rgba(192, 60, 60, 0.1);
  --color-warning: #B87A1A;
  --color-warning-rgb: 184, 122, 26;
  --color-warning-bg: rgba(184, 122, 26, 0.1);
  --color-info: #3D7A8C;
  --color-info-rgb: 61, 122, 140;
  --color-info-bg: rgba(61, 122, 140, 0.1);
  
  /* Profit/Loss */
  --color-profit: #2D7A4F;
  --color-loss: #C03C3C;
  
  /* Text Colors - High Contrast */
  --color-text-primary: #2E221A;
  --color-text-secondary: #5C4D42;
  --color-text-muted: #8C7B6E;
  --color-text-inverse: #FAF7F2;
  --color-text-on-primary: #FFFFFF;
  
  /* Border Colors */
  --color-border: rgba(122, 92, 62, 0.15);
  --color-border-hover: rgba(122, 92, 62, 0.25);
  --color-border-focus: var(--color-primary);
  --color-border-strong: rgba(122, 92, 62, 0.35);
  
  /* Shadows - Warm Tint */
  --shadow-color: 30, 20, 10;
  --shadow-sm: 0 1px 3px rgba(var(--shadow-color), 0.08);
  --shadow-md: 0 4px 8px -1px rgba(var(--shadow-color), 0.1), 0 2px 4px -2px rgba(var(--shadow-color), 0.06);
  --shadow-lg: 0 12px 24px -4px rgba(var(--shadow-color), 0.12), 0 4px 8px -4px rgba(var(--shadow-color), 0.08);
  --shadow-xl: 0 24px 48px -8px rgba(var(--shadow-color), 0.15), 0 8px 16px -6px rgba(var(--shadow-color), 0.1);
  --shadow-glow: 0 0 24px rgba(var(--color-primary-rgb), 0.2);
  --shadow-glow-sm: 0 0 12px rgba(var(--color-primary-rgb), 0.15);
  
  /* Theme Meta */
  --theme-color: #FAF7F2;
  --theme-mode: light;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
  /* Surface Colors - Warm Dark Browns */
  --color-bg-primary: #1A1512;
  --color-bg-secondary: #241E1A;
  --color-bg-card: rgba(36, 30, 26, 0.9);
  --color-bg-card-hover: rgba(46, 38, 32, 0.95);
  --color-bg-elevated: #2E2620;
  --color-bg-modal: rgba(26, 21, 18, 0.98);
  --color-bg-overlay: rgba(0, 0, 0, 0.7);
  --color-bg-subtle: #2E2620;
  
  /* Primary Accent - Brighter Savanna Gold for Dark */
  --color-primary: #D4A832;
  --color-primary-rgb: 212, 168, 50;
  --color-primary-hover: #E4B842;
  --color-primary-muted: rgba(212, 168, 50, 0.15);
  --color-primary-contrast: #1A1512;
  
  /* Secondary Accent - Lighter Earth Brown */
  --color-secondary: #A68B6A;
  --color-secondary-rgb: 166, 139, 106;
  --color-secondary-hover: #B69B7A;
  --color-secondary-muted: rgba(166, 139, 106, 0.15);
  
  /* Tertiary - Warm Clay */
  --color-tertiary: #C88A5A;
  --color-tertiary-rgb: 200, 138, 90;
  
  /* Status Colors - High Contrast on Dark */
  --color-success: #4CAF6A;
  --color-success-rgb: 76, 175, 106;
  --color-success-bg: rgba(76, 175, 106, 0.15);
  --color-danger: #E05555;
  --color-danger-rgb: 224, 85, 85;
  --color-danger-bg: rgba(224, 85, 85, 0.15);
  --color-warning: #DCA030;
  --color-warning-rgb: 220, 160, 48;
  --color-warning-bg: rgba(220, 160, 48, 0.15);
  --color-info: #5AA8BC;
  --color-info-rgb: 90, 168, 188;
  --color-info-bg: rgba(90, 168, 188, 0.15);
  
  /* Profit/Loss */
  --color-profit: #4CAF6A;
  --color-loss: #E05555;
  
  /* Text Colors - Warm Cream on Dark */
  --color-text-primary: #F5EFE6;
  --color-text-secondary: #C4B8AA;
  --color-text-muted: #8C8078;
  --color-text-inverse: #1A1512;
  --color-text-on-primary: #1A1512;
  
  /* Border Colors */
  --color-border: rgba(196, 184, 170, 0.12);
  --color-border-hover: rgba(196, 184, 170, 0.2);
  --color-border-focus: var(--color-primary);
  --color-border-strong: rgba(196, 184, 170, 0.3);
  
  /* Shadows - Darker */
  --shadow-color: 0, 0, 0;
  --shadow-sm: 0 1px 3px rgba(var(--shadow-color), 0.3);
  --shadow-md: 0 4px 8px -1px rgba(var(--shadow-color), 0.4), 0 2px 4px -2px rgba(var(--shadow-color), 0.3);
  --shadow-lg: 0 12px 24px -4px rgba(var(--shadow-color), 0.5), 0 4px 8px -4px rgba(var(--shadow-color), 0.4);
  --shadow-xl: 0 24px 48px -8px rgba(var(--shadow-color), 0.5), 0 8px 16px -6px rgba(var(--shadow-color), 0.4);
  --shadow-glow: 0 0 24px rgba(var(--color-primary-rgb), 0.25);
  --shadow-glow-sm: 0 0 12px rgba(var(--color-primary-rgb), 0.2);
  
  /* Theme Meta */
  --theme-color: #1A1512;
  --theme-mode: dark;
}

/* ── Shared Design Tokens (Theme-Independent) ── */
:root {
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  --font-size-xs: 0.6875rem;   /* 11px */
  --font-size-sm: 0.75rem;     /* 12px */
  --font-size-base: 0.875rem;  /* 14px */
  --font-size-md: 1rem;        /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
  
  /* Spacing Scale */
  --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 */
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;
  --z-max: 9999;
  
  /* Layout */
  --header-height: 60px;
  --bottom-nav-height: 68px;
  --container-max: 480px;
  --container-wide: 720px;
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

/* ============================================
   Base Reset + Styles
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  color-scheme: light dark;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Subtle African-inspired pattern overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, var(--color-primary-muted) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--color-secondary-muted) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
  color: inherit;
}

button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* Selection styling */
::selection {
  background: var(--color-primary-muted);
  color: var(--color-text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}

/* ============================================
   Utility Classes
   ============================================ */

/* Text Colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-profit { color: var(--color-profit); }
.text-loss { color: var(--color-loss); }
.text-accent { color: var(--color-primary); }
.text-gold { color: var(--color-primary); }
.text-earth { color: var(--color-secondary); }
.text-clay { color: var(--color-tertiary); }

/* Text Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }

/* Font Weights & Styles */
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-mono { font-family: var(--font-mono); }

/* Text Utilities */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; letter-spacing: var(--letter-spacing-wide); }
.capitalize { text-transform: capitalize; }

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Background Utilities */
.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-card { background-color: var(--color-bg-card); }
.bg-elevated { background-color: var(--color-bg-elevated); }
.bg-subtle { background-color: var(--color-bg-subtle); }
.bg-gold { background-color: var(--color-primary); color: var(--color-primary-contrast); }
.bg-earth { background-color: var(--color-secondary); color: var(--color-text-inverse); }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Display Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root,
  [data-theme="light"] {
    --color-border: rgba(46, 34, 26, 0.4);
    --color-border-hover: rgba(46, 34, 26, 0.6);
    --color-text-secondary: #4A3D32;
    --color-text-muted: #6B5C4F;
  }
  
  [data-theme="dark"] {
    --color-border: rgba(245, 239, 230, 0.3);
    --color-border-hover: rgba(245, 239, 230, 0.5);
    --color-text-secondary: #D4C8BA;
    --color-text-muted: #A89C8E;
  }
}

/* System dark mode preference (when no explicit theme is set) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    /* Surface Colors - Warm Dark Browns */
    --color-bg-primary: #1A1512;
    --color-bg-secondary: #241E1A;
    --color-bg-card: rgba(36, 30, 26, 0.9);
    --color-bg-card-hover: rgba(46, 38, 32, 0.95);
    --color-bg-elevated: #2E2620;
    --color-bg-modal: rgba(26, 21, 18, 0.98);
    --color-bg-overlay: rgba(0, 0, 0, 0.7);
    --color-bg-subtle: #2E2620;
    
    /* Primary Accent */
    --color-primary: #D4A832;
    --color-primary-rgb: 212, 168, 50;
    --color-primary-hover: #E4B842;
    --color-primary-muted: rgba(212, 168, 50, 0.15);
    --color-primary-contrast: #1A1512;
    
    /* Secondary Accent */
    --color-secondary: #A68B6A;
    --color-secondary-rgb: 166, 139, 106;
    --color-secondary-hover: #B69B7A;
    --color-secondary-muted: rgba(166, 139, 106, 0.15);
    
    /* Tertiary */
    --color-tertiary: #C88A5A;
    --color-tertiary-rgb: 200, 138, 90;
    
    /* Status Colors */
    --color-success: #4CAF6A;
    --color-success-rgb: 76, 175, 106;
    --color-success-bg: rgba(76, 175, 106, 0.15);
    --color-danger: #E05555;
    --color-danger-rgb: 224, 85, 85;
    --color-danger-bg: rgba(224, 85, 85, 0.15);
    --color-warning: #DCA030;
    --color-warning-rgb: 220, 160, 48;
    --color-warning-bg: rgba(220, 160, 48, 0.15);
    --color-info: #5AA8BC;
    --color-info-rgb: 90, 168, 188;
    --color-info-bg: rgba(90, 168, 188, 0.15);
    
    /* Profit/Loss */
    --color-profit: #4CAF6A;
    --color-loss: #E05555;
    
    /* Text Colors */
    --color-text-primary: #F5EFE6;
    --color-text-secondary: #C4B8AA;
    --color-text-muted: #8C8078;
    --color-text-inverse: #1A1512;
    --color-text-on-primary: #1A1512;
    
    /* Border Colors */
    --color-border: rgba(196, 184, 170, 0.12);
    --color-border-hover: rgba(196, 184, 170, 0.2);
    --color-border-strong: rgba(196, 184, 170, 0.3);
    
    /* Shadows */
    --shadow-color: 0, 0, 0;
    --shadow-sm: 0 1px 3px rgba(var(--shadow-color), 0.3);
    --shadow-md: 0 4px 8px -1px rgba(var(--shadow-color), 0.4), 0 2px 4px -2px rgba(var(--shadow-color), 0.3);
    --shadow-lg: 0 12px 24px -4px rgba(var(--shadow-color), 0.5), 0 4px 8px -4px rgba(var(--shadow-color), 0.4);
    --shadow-xl: 0 24px 48px -8px rgba(var(--shadow-color), 0.5), 0 8px 16px -6px rgba(var(--shadow-color), 0.4);
    --shadow-glow: 0 0 24px rgba(var(--color-primary-rgb), 0.25);
    --shadow-glow-sm: 0 0 12px rgba(var(--color-primary-rgb), 0.2);
    
    /* Theme Meta */
    --theme-color: #1A1512;
    --theme-mode: dark;
  }
}