/* CSS Custom Properties for Theme */
:root {
  /* Core Colors - Korean Space Futuristic Palette */
  --primary-dark: #0A0B1E;
  --secondary-indigo: #4F46E5;
  --background-dark: #0F0F23;
  --footer-bg: #1A1B3A;
  --button-accent: #6366F1;
  --neon-accent: #00D4FF;
  --space-blue: #1E1B4B;
  
  /* Gradients */
  --gradient-space: linear-gradient(135deg, var(--background-dark) 0%, var(--primary-dark) 100%);
  --gradient-neon: linear-gradient(45deg, var(--secondary-indigo) 0%, var(--neon-accent) 100%);
  --gradient-button: linear-gradient(135deg, var(--button-accent) 0%, var(--secondary-indigo) 100%);
  
  /* Typography - Korean-inspired geometric fonts */
  --font-primary: 'Orbitron', 'Noto Sans KR', monospace;
  --font-secondary: 'Rajdhani', 'Noto Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius - Geometric but softened */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows - Space-themed with depth */
  --shadow-space-sm: 0 2px 8px rgba(79, 70, 229, 0.1);
  --shadow-space-md: 0 4px 16px rgba(79, 70, 229, 0.15);
  --shadow-space-lg: 0 8px 32px rgba(79, 70, 229, 0.2);
  --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-deep: 0 20px 60px rgba(10, 11, 30, 0.8);
  
  /* Geometric Spacing for Korean Aesthetic */
  --module-8: 8px;
  --module-16: 16px;
  --module-24: 24px;
  --module-32: 32px;
  --module-48: 48px;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--gradient-space);
  color: #E2E8F0;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Korean Geometric Grid Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(79, 70, 229, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 70, 229, 0.03) 1px, transparent 1px);
  background-size: var(--module-32) var(--module-32);
  pointer-events: none;
  z-index: -1;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  color: #F8FAFC;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-lg);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  border-left: 4px solid var(--secondary-indigo);
  padding-left: var(--space-lg);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--neon-accent);
}

/* Enhanced Bootstrap Button Styling */
.btn-primary {
  background: var(--gradient-button);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-space-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon);
  background: var(--gradient-neon);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

/* Custom Card Components */
.space-card {
  background: rgba(30, 27, 75, 0.6);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-space-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.space-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.space-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-deep);
  border-color: var(--secondary-indigo);
}

.space-card:hover::before {
  opacity: 1;
}

/* Trading Chart Background Effect */
.trading-section {
  background: 
    linear-gradient(90deg, rgba(79, 70, 229, 0.05) 50%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.1) 0%, transparent 50%);
  background-size: 20px 100%, 100% 100%, 100% 100%;
  position: relative;
  overflow: hidden;
}

.trading-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, transparent 40%, rgba(0, 212, 255, 0.05) 50%, transparent 60%),
    linear-gradient(-45deg, transparent 40%, rgba(79, 70, 229, 0.05) 50%, transparent 60%);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Neon Accent Borders */
.neon-border {
  border: 2px solid var(--secondary-indigo);
  box-shadow: 
    0 0 10px rgba(79, 70, 229, 0.3),
    inset 0 0 10px rgba(79, 70, 229, 0.1);
  position: relative;
}

.neon-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--secondary-indigo), var(--neon-accent), var(--secondary-indigo));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.neon-border:hover::before {
  opacity: 1;
}

/* Geometric Space Elements */
.geometric-bg {
  background-image: 
    linear-gradient(30deg, transparent 40%, rgba(79, 70, 229, 0.02) 50%, transparent 60%),
    linear-gradient(150deg, transparent 40%, rgba(0, 212, 255, 0.02) 50%, transparent 60%);
  background-size: 80px 80px, 120px 120px;
}

.hexagon-pattern {
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(79, 70, 229, 0.1) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.1) 2px, transparent 2px);
  background-size: 40px 40px;
  background-position: 0 0, 20px 20px;
}

/* Container Enhancements */
.container {
  position: relative;
  z-index: 1;
}

.container-fluid {
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Custom Section Backgrounds */
.section-bg-primary {
  background-color: var(--background-dark);
  position: relative;
}

.section-bg-secondary {
  background-color: var(--footer-bg);
  position: relative;
}

.section-bg-accent {
  background-color: var(--primary-dark);
  position: relative;
}

/* Korean-Style Spacing Utilities */
.korean-spacing {
  padding: var(--module-32) var(--module-24);
  margin: var(--module-16) 0;
}

.korean-spacing-sm {
  padding: var(--module-16) var(--module-12);
  margin: var(--module-8) 0;
}

.korean-spacing-lg {
  padding: var(--module-48) var(--module-32);
  margin: var(--module-24) 0;
}

/* Geometric Buttons */
.btn-geometric {
  background: transparent;
  border: 2px solid var(--secondary-indigo);
  color: var(--neon-accent);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 100%, 20px 100%);
  transition: all 0.3s ease;
}

.btn-geometric:hover {
  background: var(--gradient-button);
  color: white;
  box-shadow: var(--shadow-neon);
}

/* Space-Futuristic Form Elements */
.form-control {
  background: rgba(30, 27, 75, 0.4);
  border: 1px solid rgba(79, 70, 229, 0.3);
  border-radius: var(--radius-md);
  color: #F8FAFC;
  padding: var(--space-md);
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(30, 27, 75, 0.6);
  border-color: var(--neon-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  outline: none;
}

.form-control::placeholder {
  color: rgba(226, 232, 240, 0.6);
}

/* Alert Components with Space Theme */
.alert {
  border-radius: var(--radius-lg);
  border: none;
  padding: var(--space-lg);
  font-family: var(--font-secondary);
}

.alert-primary {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.1));
  color: #E2E8F0;
  border-left: 4px solid var(--secondary-indigo);
}

.alert-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.1));
  color: #E2E8F0;
  border-left: 4px solid #10B981;
}

/* Geometric Navigation */
.navbar {
  background: rgba(15, 15, 35, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(79, 70, 229, 0.2);
  padding: var(--space-md) 0;
}

.navbar-brand {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: #E2E8F0;
  font-family: var(--font-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--neon-accent);
  background: rgba(79, 70, 229, 0.1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-neon);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

/* Custom Grid System for Geometric Layouts */
.grid-geometric {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-geometric-lg {
  display: grid;
  gap: var(--space-2xl);
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Footer Styling */
footer {
  background: var(--footer-bg);
  border-top: 1px solid rgba(79, 70, 229, 0.2);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary-indigo), transparent);
}

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

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-indigo);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-accent);
}

/* Selection Styling */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #F8FAFC;
}

::-moz-selection {
  background: rgba(0, 212, 255, 0.3);
  color: #F8FAFC;
}

/* Responsive Design */
@media (max-width: 768px) {
  .korean-spacing {
    padding: var(--module-24) var(--module-16);
  }
  
  .korean-spacing-lg {
    padding: var(--module-32) var(--module-24);
  }
  
  .container-fluid {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  
  .space-card {
    padding: var(--space-lg);
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  :root {
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
  }
  
  .btn-primary {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }
  
  .space-card {
    padding: var(--space-md);
  }
}

/* Utility Classes for Geometric Patterns */
.bg-geometric {
  background-image: 
    linear-gradient(90deg, rgba(79, 70, 229, 0.02) 1px, transparent 1px),
    linear-gradient(rgba(79, 70, 229, 0.02) 1px, transparent 1px);
  background-size: var(--module-16) var(--module-16);
}

.bg-circuit {
  background-image: 
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Text Gradient Utilities */
.text-gradient-primary {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: linear-gradient(45deg, var(--neon-accent), var(--secondary-indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animation Restrictions (No Animations as per requirements) */
/* All transitions are simple hover effects only */


/* Cookie Banner Additional Styles for Bootstrap */
.cookie-banner-custom {
    z-index: 1060;
    backdrop-filter: blur(10px);
}

.cookie-banner-custom .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}