/* KATRA Trade - Premium Glassmorphism Design System */
/* Dark Green & Black Theme with Liquid Glass Effects */

:root {
  /* Primary Colors - Dark Green Theme */
  --primary-green: #00ff88;
  --primary-green-rgb: 0, 255, 136;
  --dark-green: #004d40;
  --dark-green-hover: #00695c;
  --success-green: #10b981;
  --lime-accent: #84cc16;
  
  /* Backgrounds */
  --bg-black: #0a0e12;
  --bg-dark: #141b24;
  --bg-darker: #1a2332;
  --bg-darkest: #0d1117;
  
  /* Glass Effects */
  --glass-bg: rgba(20, 27, 36, 0.6);
  --glass-bg-light: rgba(20, 27, 36, 0.4);
  --glass-bg-dark: rgba(20, 27, 36, 0.8);
  --glass-border: rgba(0, 255, 136, 0.1);
  --glass-border-bright: rgba(0, 255, 136, 0.3);
  
  /* Accent Colors */
  --red-loss: #ef4444;
  --red-danger: #dc2626;
  --gold: #fbbf24;
  --blue-info: #3b82f6;
  --purple-premium: #a855f7;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #475569;
  
  /* Shadows & Glows */
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-glass-hover: 0 12px 48px 0 rgba(0, 0, 0, 0.5);
  --glow-green: 0 0 20px rgba(0, 255, 136, 0.3);
  --glow-green-strong: 0 0 40px rgba(0, 255, 136, 0.6);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: var(--bg-black);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background Gradient */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, 
    var(--bg-black) 0%, 
    var(--bg-darker) 25%,
    var(--dark-green) 50%,
    var(--bg-darker) 75%,
    var(--bg-black) 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glass Card Base */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-glass),
              inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--glass-border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass-hover),
              var(--glow-green),
              inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.glass-card-light {
  background: var(--glass-bg-light);
  backdrop-filter: blur(15px) saturate(150%);
  -webkit-backdrop-filter: blur(15px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
}

.glass-card-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(25px) saturate(200%);
  -webkit-backdrop-filter: blur(25px) saturate(200%);
  border: 1px solid var(--glass-border-bright);
  border-radius: 24px;
}

/* Buttons */
.btn {
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
  color: var(--bg-black);
  box-shadow: var(--glow-green);
}

.btn-primary:hover {
  box-shadow: var(--glow-green-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 2px solid var(--primary-green);
  color: var(--primary-green);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 255, 136, 0.1);
  box-shadow: var(--glow-green);
}

.btn-buy {
  background: linear-gradient(135deg, var(--success-green), var(--lime-accent));
  color: white;
}

.btn-sell {
  background: linear-gradient(135deg, var(--red-loss), var(--red-danger));
  color: white;
}

/* Price Display with Glow */
.price-display {
  font-size: 2rem;
  font-weight: 700;
  padding: 16px 24px;
  border-radius: 16px;
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  display: inline-block;
  position: relative;
}

.price-up {
  color: var(--success-green);
  animation: priceGlowUp 0.5s ease;
}

.price-down {
  color: var(--red-loss);
  animation: priceGlowDown 0.5s ease;
}

@keyframes priceGlowUp {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 30px rgba(16, 185, 129, 0.6); }
}

@keyframes priceGlowDown {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 30px rgba(239, 68, 68, 0.6); }
}

/* Chart Container */
.chart-container {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.chart-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
  animation: chartGlow 8s ease infinite;
}

@keyframes chartGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, 20px); }
}

/* Navbar Glass */
.navbar-glass {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(25px) saturate(200%);
  -webkit-backdrop-filter: blur(25px) saturate(200%);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Stats Card */
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
  transform: translateX(-100%);
}

.stat-card:hover::after {
  animation: shimmer 1s ease;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-green), white);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Order Book Styles */
.order-book {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}

.order-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.order-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.order-buy {
  border-left: 3px solid var(--success-green);
}

.order-sell {
  border-left: 3px solid var(--red-loss);
}

/* Badge */
.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-green);
  border: 1px solid var(--success-green);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--red-loss);
  border: 1px solid var(--red-loss);
}

.badge-info {
  background: rgba(59, 130, 246, 0.2);
  color: var(--blue-info);
  border: 1px solid var(--blue-info);
}

/* Input Fields */
.input-glass {
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
  width: 100%;
}

.input-glass:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
  background: var(--glass-bg);
}

.input-glass::placeholder {
  color: var(--text-muted);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--primary-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  background: var(--glass-bg-dark);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  text-align: center;
  border-radius: 8px;
  padding: 8px 12px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  white-space: nowrap;
  font-size: 0.85rem;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--dark-green);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-green);
}

/* Mobile-First Responsive Design */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }
  
  .glass-card {
    border-radius: 16px;
    padding: 16px !important;
  }
  
  .price-display {
    font-size: 1.25rem;
    padding: 10px 16px;
  }
  
  .stat-value {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  /* Mobile Navigation */
  .mobile-menu-btn {
    display: block;
  }
  
  .desktop-nav {
    display: none;
  }
  
  /* Company Cards Mobile */
  .company-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  
  /* Hero Section Mobile */
  h1 {
    font-size: 2rem !important;
    line-height: 1.2;
  }
  
  h2 {
    font-size: 1.75rem !important;
  }
  
  h3 {
    font-size: 1.25rem !important;
  }
  
  /* Stats Mobile */
  .stat-card {
    padding: 16px !important;
  }
  
  /* Container Mobile */
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* Tablet Adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  .company-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  h1 {
    font-size: 3rem !important;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .navbar-glass {
    padding: 12px 16px !important;
  }
  
  .price-display {
    font-size: 1.1rem;
    padding: 8px 12px;
  }
  
  .badge {
    font-size: 0.75rem;
    padding: 4px 10px;
  }
  
  h1 {
    font-size: 1.75rem !important;
  }
  
  .btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

/* FAQ Accordion Styles - Prevents Layout Shift */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out, margin 0.4s ease-out;
  padding-top: 0;
  margin-top: 0;
}

.faq-content.active {
  max-height: 500px; /* Large enough for content */
  padding-top: 1rem;
  margin-top: 1rem;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-icon.active {
  transform: rotate(180deg);
}

/* Company Cards - Fixed Width for Numbers */
.company-grid .glass-card {
  contain: layout; /* CSS Containment prevents layout shift */
}

.company-grid .space-y-3 {
  min-height: 120px; /* Prevents jumping */
}

.company-grid .price-display,
.company-grid .font-bold,
.company-grid .badge {
  display: inline-block;
  min-width: fit-content;
}

/* Mobile Menu Styles */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--glass-bg-dark);
  backdrop-filter: blur(25px);
  border-left: 1px solid var(--glass-border);
  transition: right 0.3s ease;
  z-index: 9999;
  padding: 80px 24px 24px;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9998;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-item {
  display: block;
  padding: 16px;
  margin-bottom: 8px;
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.mobile-nav-item:hover {
  background: var(--glass-bg-light);
  border-color: var(--primary-green);
}

.mobile-nav-item.active {
  background: var(--glass-bg);
  border-color: var(--primary-green);
  color: var(--primary-green);
}

/* Pulsating Effect for Live Data */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.live-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--success-green);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
  box-shadow: 0 0 10px var(--success-green);
}

/* Glass Modal */
.modal-glass {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border-bright);
  border-radius: 24px;
  box-shadow: var(--shadow-glass-hover);
  padding: 32px;
  max-width: 500px;
  margin: auto;
}

/* Premium Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-green), var(--lime-accent), white);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.floating {
  animation: float 3s ease-in-out infinite;
}