/**
 * Involio Trading Dashboard - Modern Design System
 * Clean, professional, and optimized for trading data
 */

/* =============================================================================
   DESIGN TOKENS
   ============================================================================= */

:root {
  /* Core Dark Theme (Default) - Refined for trading */
  --bg-primary: #09090b;
  --bg-secondary: #0f0f12;
  --bg-tertiary: #18181b;
  --bg-elevated: #1f1f23;
  
  /* Legacy aliases for compatibility */
  --bg-color: var(--bg-primary);
  --container-bg: var(--bg-secondary);
  --card-bg: var(--bg-tertiary);
  --card-hover: var(--bg-elevated);
  --form-bg: var(--bg-tertiary);
  --input-bg: var(--bg-elevated);
  
  /* Text hierarchy */
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-muted: #52525b;
  --text-color: var(--text-primary);
  
  /* Accent & Brand */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-light: rgba(99, 102, 241, 0.12);
  --accent-glow: rgba(99, 102, 241, 0.25);
  --accent-color: var(--accent-primary);
  
  /* Semantic Colors */
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.12);
  --success-glow: rgba(16, 185, 129, 0.3);
  --success-color: var(--success);
  
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.12);
  --danger-glow: rgba(239, 68, 68, 0.3);
  --danger-color: var(--danger);
  
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.12);
  --warning-color: var(--warning);
  
  --info: #3b82f6;
  --info-light: rgba(59, 130, 246, 0.12);
  
  /* Trading specific */
  --long: #22c55e;
  --long-bg: rgba(34, 197, 94, 0.15);
  --long-glow: rgba(34, 197, 94, 0.4);
  --long-color: var(--long);
  
  --short: #ef4444;
  --short-bg: rgba(239, 68, 68, 0.15);
  --short-glow: rgba(239, 68, 68, 0.4);
  --short-color: var(--short);
  
  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-color: var(--border-default);
  --divider-color: var(--border-subtle);
  --input-border: var(--border-default);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --shadow-light: var(--shadow-sm);
  --shadow-medium: var(--shadow-md);
  --shadow-heavy: var(--shadow-lg);
  
  /* Glass effect */
  --glass-bg: rgba(15, 15, 18, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;
  
  /* Notification states */
  --notification-unread: rgba(99, 102, 241, 0.08);
  --notification-unread-border: var(--accent-primary);
  
  /* Buttons */
  --button-bg: var(--accent-primary);
  --button-text: #ffffff;
  --button-hover: #4f46e5;
  
  /* Spacing scale */
  --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;
  --spacing-xs: var(--space-1);
  --spacing-sm: var(--space-2);
  --spacing-md: var(--space-4);
  --spacing-lg: var(--space-6);
  --spacing-xl: var(--space-8);
  
  /* Border radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  
  --font-xs: 0.6875rem;
  --font-sm: 0.8125rem;
  --font-md: 0.875rem;
  --font-lg: 1rem;
  --font-xl: 1.125rem;
  --font-2xl: 1.375rem;
  --font-3xl: 1.75rem;
  --font-4xl: 2.25rem;
  
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: var(--duration-fast) var(--ease-out);
  --transition-normal: var(--duration-normal) var(--ease-out);
  --transition-slow: var(--duration-slow) var(--ease-out);
  --transition-bounce: var(--duration-normal) var(--ease-bounce);
  
  /* Z-index scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* =============================================================================
   LIGHT MODE
   ============================================================================= */

.light-mode {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f4f4f5;
  --bg-elevated: #ffffff;
  --bg-color: var(--bg-primary);
  --container-bg: var(--bg-secondary);
  --card-bg: var(--bg-tertiary);
  --card-hover: #e4e4e7;
  --form-bg: var(--bg-tertiary);
  --input-bg: var(--bg-secondary);
  
  --text-primary: #09090b;
  --text-secondary: #52525b;
  --text-tertiary: #71717a;
  --text-muted: #a1a1aa;
  --text-color: var(--text-primary);
  
  --accent-light: rgba(99, 102, 241, 0.08);
  --accent-glow: rgba(99, 102, 241, 0.15);
  
  --success-light: rgba(16, 185, 129, 0.08);
  --danger-light: rgba(239, 68, 68, 0.08);
  --warning-light: rgba(245, 158, 11, 0.08);
  
  --long-bg: rgba(34, 197, 94, 0.1);
  --short-bg: rgba(239, 68, 68, 0.1);
  
  --border-subtle: rgba(0, 0, 0, 0.04);
  --border-default: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --border-color: var(--border-default);
  --divider-color: var(--border-subtle);
  --input-border: #d4d4d8;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
  
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.06);
  
  --notification-unread: rgba(99, 102, 241, 0.06);
}

/* =============================================================================
   CSS RESET & BASE
   ============================================================================= */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: var(--leading-normal);
  min-height: 100vh;
  font-size: var(--font-md);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h1 { font-size: var(--font-4xl); font-weight: 700; }
h2 { font-size: var(--font-3xl); }
h3 { font-size: var(--font-2xl); }
h4 { font-size: var(--font-xl); }
h5 { font-size: var(--font-lg); font-weight: 500; }
h6 { font-size: var(--font-md); font-weight: 500; }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

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

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

/* Monospace for numbers and code */
.mono, .number, code {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum' 1;
}

/* Text utilities */
.text-xs { font-size: var(--font-xs); }
.text-sm { font-size: var(--font-sm); }
.text-md { font-size: var(--font-md); }
.text-lg { font-size: var(--font-lg); }
.text-xl { font-size: var(--font-xl); }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--text-primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--accent-primary); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

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

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-4);
  background: var(--bg-primary);
}

/* Flexbox utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Legacy gap names */
.gap-xs { gap: var(--space-1); }
.gap-sm { gap: var(--space-2); }
.gap-md { gap: var(--space-4); }
.gap-lg { gap: var(--space-6); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing utilities */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Width utilities */
.w-full { width: 100%; }
.min-w-0 { min-width: 0; }

/* =============================================================================
   SCROLLBAR
   ============================================================================= */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

/* =============================================================================
   ANIMATIONS
   ============================================================================= */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(12px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from { 
    opacity: 0;
    transform: translateY(-12px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes glow {
  0%, 100% { 
    box-shadow: 0 0 5px var(--accent-glow);
  }
  50% { 
    box-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--accent-glow);
  }
}

@keyframes successPulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 var(--success-glow);
  }
  50% { 
    box-shadow: 0 0 0 8px transparent;
  }
}

/* Animation utilities */
.animate-fade-in { animation: fadeIn var(--duration-normal) var(--ease-out); }
.animate-slide-up { animation: slideUp var(--duration-normal) var(--ease-out); }
.animate-slide-down { animation: slideDown var(--duration-normal) var(--ease-out); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-elevated) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* =============================================================================
   SELECTION
   ============================================================================= */

::selection {
  background: var(--accent-primary);
  color: white;
}

/* =============================================================================
   FOCUS STYLES
   ============================================================================= */

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

/* =============================================================================
   RESPONSIVE UTILITIES
   ============================================================================= */

.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
  
  .show-mobile {
    display: block !important;
  }
}

/* =============================================================================
   TRANSITION UTILITIES
   ============================================================================= */

.transition-all {
  transition: all var(--transition-normal);
}

.transition-colors {
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.transition-transform {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: scale(1.02);
}
  100% { background-position: 200% 0; }
}

.animate-fadeIn { animation: fadeIn var(--transition-normal); }
.animate-slideUp { animation: slideUp var(--transition-normal); }
.animate-slideDown { animation: slideDown var(--transition-normal); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* =============================================================================
   RESPONSIVE UTILITIES
   ============================================================================= */

.mobile-only { display: none; }
.desktop-only { display: block; }

@media (max-width: 900px) {
  .mobile-only { display: block; }
  .desktop-only { display: none; }
}

@media (max-width: 600px) {
  :root {
    --font-md: 13px;
    --font-lg: 15px;
    --spacing-md: 12px;
    --spacing-lg: 20px;
  }
}

/* =============================================================================
   SELECTION STYLES
   ============================================================================= */

::selection {
  background: var(--accent-color);
  color: white;
}

::-moz-selection {
  background: var(--accent-color);
  color: white;
}