/*
==============================================
================================================

[Quantum UI Framework]
Project:    QUANTAMCRYPTO UI Enhancement
Phase:      2 - Enhanced CSS System
Version:    2.0
Create:     Modern UI Framework
Developer:  AI Assistant

================================================
================================================
*/

/* ========================================
   CSS CUSTOM PROPERTIES SYSTEM
   ======================================== */
:root {
  /* Framework identification */
  --quantum-framework: "2.0";
  
  /* =====================================
     COLOR SYSTEM
     ===================================== */
  /* Primary Colors */
  --quantum-primary: #101421;
  --quantum-primary-light: #1a1d2e;
  --quantum-primary-dark: #0a0c15;
  --quantum-primary-rgb: 16, 20, 33;
  
  /* Secondary Colors */
  --quantum-secondary: #6c5ce7;
  --quantum-secondary-light: #7b6ef0;
  --quantum-secondary-dark: #5d4ed8;
  --quantum-secondary-rgb: 108, 92, 231;
  
  /* Accent Colors */
  --quantum-accent: #00cec9;
  --quantum-accent-light: #1dd2cd;
  --quantum-accent-dark: #00b5b1;
  --quantum-accent-rgb: 0, 206, 201;
  
  /* Success/Error/Warning */
  --quantum-success: #00b894;
  --quantum-error: #e17055;
  --quantum-warning: #fdcb6e;
  --quantum-info: #74b9ff;
  
  /* Neutral Colors */
  --quantum-white: #ffffff;
  --quantum-black: #000000;
  --quantum-gray-50: #f8f9fa;
  --quantum-gray-100: #e9ecef;
  --quantum-gray-200: #dee2e6;
  --quantum-gray-300: #ced4da;
  --quantum-gray-400: #adb5bd;
  --quantum-gray-500: #6c757d;
  --quantum-gray-600: #495057;
  --quantum-gray-700: #343a40;
  --quantum-gray-800: #212529;
  --quantum-gray-900: #0c0d0e;
  
  /* =====================================
     SPACING SYSTEM
     ===================================== */
  --quantum-space-xs: 0.25rem;  /* 4px */
  --quantum-space-sm: 0.5rem;   /* 8px */
  --quantum-space-md: 1rem;     /* 16px */
  --quantum-space-lg: 1.5rem;   /* 24px */
  --quantum-space-xl: 2rem;     /* 32px */
  --quantum-space-2xl: 3rem;    /* 48px */
  --quantum-space-3xl: 4rem;    /* 64px */
  --quantum-space-4xl: 6rem;    /* 96px */
  
  /* =====================================
     TYPOGRAPHY SYSTEM
     ===================================== */
  /* Font Families */
  --quantum-font-primary: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --quantum-font-secondary: 'Roboto', Arial, Helvetica, sans-serif;
  --quantum-font-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;
  
  /* Font Sizes */
  --quantum-text-xs: 0.75rem;   /* 12px */
  --quantum-text-sm: 0.875rem;  /* 14px */
  --quantum-text-base: 1rem;    /* 16px */
  --quantum-text-lg: 1.125rem;  /* 18px */
  --quantum-text-xl: 1.25rem;   /* 20px */
  --quantum-text-2xl: 1.5rem;   /* 24px */
  --quantum-text-3xl: 1.875rem; /* 30px */
  --quantum-text-4xl: 2.25rem;  /* 36px */
  --quantum-text-5xl: 3rem;     /* 48px */
  --quantum-text-6xl: 4rem;     /* 64px */
  
  /* Font Weights */
  --quantum-font-thin: 100;
  --quantum-font-light: 300;
  --quantum-font-normal: 400;
  --quantum-font-medium: 500;
  --quantum-font-semibold: 600;
  --quantum-font-bold: 700;
  --quantum-font-extrabold: 800;
  --quantum-font-black: 900;
  
  /* Line Heights */
  --quantum-leading-none: 1;
  --quantum-leading-tight: 1.25;
  --quantum-leading-normal: 1.5;
  --quantum-leading-relaxed: 1.625;
  --quantum-leading-loose: 2;
  
  /* =====================================
     ANIMATION TIMING
     ===================================== */
  --quantum-transition-fast: 0.15s ease-out;
  --quantum-transition-base: 0.3s ease-out;
  --quantum-transition-slow: 0.5s ease-out;
  --quantum-transition-slower: 0.75s ease-out;
  
  /* Custom Easing Functions */
  --quantum-ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --quantum-ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --quantum-ease-sharp: cubic-bezier(0.4, 0, 0.6, 1);
  
  /* =====================================
     SHADOW SYSTEM
     ===================================== */
  --quantum-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --quantum-shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --quantum-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --quantum-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --quantum-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --quantum-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --quantum-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --quantum-shadow-glow: 0 0 20px rgba(var(--quantum-primary-rgb), 0.3);
  
  /* =====================================
     BORDER RADIUS SYSTEM
     ===================================== */
  --quantum-radius-none: 0;
  --quantum-radius-sm: 0.125rem;  /* 2px */
  --quantum-radius-base: 0.25rem; /* 4px */
  --quantum-radius-md: 0.375rem;  /* 6px */
  --quantum-radius-lg: 0.5rem;    /* 8px */
  --quantum-radius-xl: 0.75rem;   /* 12px */
  --quantum-radius-2xl: 1rem;     /* 16px */
  --quantum-radius-3xl: 1.5rem;   /* 24px */
  --quantum-radius-full: 9999px;
  
  /* =====================================
     Z-INDEX SYSTEM
     ===================================== */
  --quantum-z-hide: -1;
  --quantum-z-auto: auto;
  --quantum-z-base: 0;
  --quantum-z-docked: 10;
  --quantum-z-dropdown: 1000;
  --quantum-z-sticky: 1100;
  --quantum-z-banner: 1200;
  --quantum-z-overlay: 1300;
  --quantum-z-modal: 1400;
  --quantum-z-popover: 1500;
  --quantum-z-skiplink: 1600;
  --quantum-z-toast: 1700;
  --quantum-z-tooltip: 1800;
  
  /* =====================================
     BREAKPOINTS
     ===================================== */
  --quantum-breakpoint-sm: 576px;
  --quantum-breakpoint-md: 768px;
  --quantum-breakpoint-lg: 992px;
  --quantum-breakpoint-xl: 1200px;
  --quantum-breakpoint-2xl: 1400px;
}

/* ========================================
   MODERN BUTTON SYSTEM
   ======================================== */

/* Base Button Class */
.quantum-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--quantum-space-sm);
  padding: var(--quantum-space-sm) var(--quantum-space-lg);
  font-family: var(--quantum-font-primary);
  font-size: var(--quantum-text-base);
  font-weight: var(--quantum-font-medium);
  line-height: var(--quantum-leading-tight);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--quantum-radius-lg);
  background: transparent;
  cursor: pointer;
  transition: all var(--quantum-transition-base) var(--quantum-ease-smooth);
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transform: translateZ(0); /* GPU acceleration */
}

.quantum-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--quantum-shadow-lg);
}

.quantum-btn:active {
  transform: translateY(0);
  transition-duration: 0.1s;
}

.quantum-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--quantum-primary-rgb), 0.2);
}

/* Button Variants */
.quantum-btn--primary {
  background: var(--quantum-primary);
  color: var(--quantum-white);
  border-color: var(--quantum-primary);
}

.quantum-btn--primary:hover {
  background: var(--quantum-primary-light);
  border-color: var(--quantum-primary-light);
  box-shadow: 0 8px 25px rgba(var(--quantum-primary-rgb), 0.3);
}

.quantum-btn--secondary {
  background: var(--quantum-secondary);
  color: var(--quantum-white);
  border-color: var(--quantum-secondary);
}

.quantum-btn--secondary:hover {
  background: var(--quantum-secondary-light);
  border-color: var(--quantum-secondary-light);
  box-shadow: 0 8px 25px rgba(var(--quantum-secondary-rgb), 0.3);
}

.quantum-btn--accent {
  background: var(--quantum-accent);
  color: var(--quantum-white);
  border-color: var(--quantum-accent);
}

.quantum-btn--accent:hover {
  background: var(--quantum-accent-light);
  border-color: var(--quantum-accent-light);
  box-shadow: 0 8px 25px rgba(var(--quantum-accent-rgb), 0.3);
}

.quantum-btn--outline {
  background: transparent;
  color: var(--quantum-primary);
  border-color: var(--quantum-primary);
}

.quantum-btn--outline:hover {
  background: var(--quantum-primary);
  color: var(--quantum-white);
}

.quantum-btn--ghost {
  background: transparent;
  color: var(--quantum-primary);
  border-color: transparent;
}

.quantum-btn--ghost:hover {
  background: var(--quantum-gray-100);
}

/* Button Sizes */
.quantum-btn--sm {
  padding: var(--quantum-space-xs) var(--quantum-space-md);
  font-size: var(--quantum-text-sm);
  border-radius: var(--quantum-radius-base);
}

.quantum-btn--lg {
  padding: var(--quantum-space-lg) var(--quantum-space-2xl);
  font-size: var(--quantum-text-lg);
  border-radius: var(--quantum-radius-xl);
}

.quantum-btn--xl {
  padding: var(--quantum-space-xl) var(--quantum-space-3xl);
  font-size: var(--quantum-text-xl);
  border-radius: var(--quantum-radius-2xl);
}

/* Button States */
.quantum-btn--loading {
  color: transparent;
  pointer-events: none;
}

.quantum-btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: quantum-spin 1s linear infinite;
}

.quantum-btn:disabled,
.quantum-btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ========================================
   CARD COMPONENT SYSTEM
   ======================================== */

.quantum-card {
  background: var(--quantum-white);
  border-radius: var(--quantum-radius-xl);
  box-shadow: var(--quantum-shadow-base);
  overflow: hidden;
  transition: all var(--quantum-transition-base) var(--quantum-ease-smooth);
  position: relative;
}

.quantum-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--quantum-shadow-xl);
}

.quantum-card__header {
  padding: var(--quantum-space-lg);
  border-bottom: 1px solid var(--quantum-gray-200);
}

.quantum-card__body {
  padding: var(--quantum-space-lg);
}

.quantum-card__footer {
  padding: var(--quantum-space-lg);
  border-top: 1px solid var(--quantum-gray-200);
  background: var(--quantum-gray-50);
}

/* Card Variants */
.quantum-card--elevated {
  box-shadow: var(--quantum-shadow-lg);
}

.quantum-card--elevated:hover {
  box-shadow: var(--quantum-shadow-2xl);
}

.quantum-card--bordered {
  border: 1px solid var(--quantum-gray-200);
  box-shadow: none;
}

.quantum-card--flat {
  box-shadow: none;
  border: 1px solid var(--quantum-gray-100);
}

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

.quantum-heading {
  font-family: var(--quantum-font-primary);
  font-weight: var(--quantum-font-bold);
  line-height: var(--quantum-leading-tight);
  color: var(--quantum-primary);
  margin: 0;
}

.quantum-heading--h1 {
  font-size: var(--quantum-text-5xl);
  font-weight: var(--quantum-font-extrabold);
}

.quantum-heading--h2 {
  font-size: var(--quantum-text-4xl);
}

.quantum-heading--h3 {
  font-size: var(--quantum-text-3xl);
}

.quantum-heading--h4 {
  font-size: var(--quantum-text-2xl);
}

.quantum-heading--h5 {
  font-size: var(--quantum-text-xl);
}

.quantum-heading--h6 {
  font-size: var(--quantum-text-lg);
}

.quantum-text {
  font-family: var(--quantum-font-secondary);
  font-size: var(--quantum-text-base);
  line-height: var(--quantum-leading-normal);
  color: var(--quantum-gray-700);
}

.quantum-text--sm {
  font-size: var(--quantum-text-sm);
}

.quantum-text--lg {
  font-size: var(--quantum-text-lg);
}

.quantum-text--lead {
  font-size: var(--quantum-text-xl);
  font-weight: var(--quantum-font-light);
  line-height: var(--quantum-leading-relaxed);
}

/* ========================================
   GRID SYSTEM ENHANCEMENTS
   ======================================== */

.quantum-grid {
  display: grid;
  gap: var(--quantum-space-md);
}

.quantum-grid--cols-1 { grid-template-columns: repeat(1, 1fr); }
.quantum-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.quantum-grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.quantum-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
.quantum-grid--cols-5 { grid-template-columns: repeat(5, 1fr); }
.quantum-grid--cols-6 { grid-template-columns: repeat(6, 1fr); }

.quantum-grid--gap-sm { gap: var(--quantum-space-sm); }
.quantum-grid--gap-lg { gap: var(--quantum-space-lg); }
.quantum-grid--gap-xl { gap: var(--quantum-space-xl); }

/* Responsive Grid */
@media (max-width: 768px) {
  .quantum-grid--responsive {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .quantum-grid--responsive.quantum-grid--cols-4,
  .quantum-grid--responsive.quantum-grid--cols-5,
  .quantum-grid--responsive.quantum-grid--cols-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

/* Flexbox */
.quantum-flex-col { flex-direction: column; }
.quantum-flex-row { flex-direction: row; }
.quantum-items-center { align-items: center; }
.quantum-items-start { align-items: flex-start; }
.quantum-items-end { align-items: flex-end; }
.quantum-justify-center { justify-content: center; }
.quantum-justify-between { justify-content: space-between; }
.quantum-justify-around { justify-content: space-around; }

/* Spacing */
.quantum-m-0 { margin: 0; }
.quantum-m-auto { margin: auto; }
.quantum-p-0 { padding: 0; }

/* Generate spacing utilities */
.quantum-m-xs { margin: var(--quantum-space-xs); }
.quantum-m-sm { margin: var(--quantum-space-sm); }
.quantum-m-md { margin: var(--quantum-space-md); }
.quantum-m-lg { margin: var(--quantum-space-lg); }
.quantum-m-xl { margin: var(--quantum-space-xl); }

.quantum-p-xs { padding: var(--quantum-space-xs); }
.quantum-p-sm { padding: var(--quantum-space-sm); }
.quantum-p-md { padding: var(--quantum-space-md); }
.quantum-p-lg { padding: var(--quantum-space-lg); }
.quantum-p-xl { padding: var(--quantum-space-xl); }

/* Text Alignment */
.quantum-text-left { text-align: left; }
.quantum-text-center { text-align: center; }
.quantum-text-right { text-align: right; }
.quantum-text-justify { text-align: justify; }

/* Framework loaded indicator */
body.quantum-loaded::before {
  content: "Quantum UI 2.0 Loaded";
  position: fixed;
  top: 10px;
  right: 10px;
  background: var(--quantum-success);
  color: var(--quantum-white);
  padding: var(--quantum-space-xs) var(--quantum-space-sm);
  border-radius: var(--quantum-radius-base);
  font-size: var(--quantum-text-xs);
  font-weight: var(--quantum-font-medium);
  z-index: var(--quantum-z-toast);
  opacity: 0.9;
  pointer-events: none;
  box-shadow: var(--quantum-shadow-lg);
  animation: quantum-fade-in 0.5s ease-out;
}

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

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

@keyframes quantum-fade-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 0.9;
    transform: translateY(0);
  }
}

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

@keyframes quantum-bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-10px);
  }
  70% {
    transform: translateY(-5px);
  }
  90% {
    transform: translateY(-2px);
  }
}