/* ================================================
   FOREX RADAR — Premium Design System
   Agency-quality styles with stunning animations
   ================================================ */

/* --------------------------------
   CSS Variables & Theming
   -------------------------------- */
:root {
  /* Colors - Light Mode - Elegant Amber/Gold */
  --bg-primary: #faf9f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f3ef;
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-tertiary: #a8a29e;
  --border-color: #e7e5e4;
  --border-subtle: #f5f5f4;
  
  /* Accent Colors - Amber/Gold */
  --accent-primary: #d97706;
  --accent-secondary: #b45309;
  --accent-tertiary: #f59e0b;
  --accent-glow: rgba(217, 119, 6, 0.3);
  --accent-blue: #0891b2;
  --accent-purple: #7c3aed;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  --gradient-card: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(217, 119, 6, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(250,249,247,0.85) 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 25px 80px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 60px var(--accent-glow);
  --shadow-neon: 0 0 20px var(--accent-glow), 0 0 40px rgba(16, 185, 129, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring: 600ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.dark {
  /* Colors - Dark Mode - Emerald accent */
  --bg-primary: #030303;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111111;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #52525b;
  --border-color: #1f1f1f;
  --border-subtle: #151515;
  --gradient-glass: linear-gradient(135deg, rgba(20,20,20,0.9) 0%, rgba(10,10,10,0.7) 100%);
  
  /* Dark mode accent - Emerald */
  --accent-primary: #10b981;
  --accent-secondary: #059669;
  --accent-tertiary: #34d399;
  --accent-glow: rgba(16, 185, 129, 0.4);
  --gradient-hero: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
  
  /* Dark mode 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 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 25px 80px rgba(0, 0, 0, 0.6);
  --shadow-neon: 0 0 30px var(--accent-glow), 0 0 60px rgba(16, 185, 129, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* --------------------------------
   Animated Background
   -------------------------------- */
.bg-pattern {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
  opacity: 0.5;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: blob-float 20s ease-in-out infinite;
}

.bg-blob-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.bg-blob-2 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.bg-blob-3 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.2;
}

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 30px) scale(1.02); }
}

.dark .bg-blob {
  opacity: 0.15;
}

/* --------------------------------
   Header & Logo
   -------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 2rem;
}

.dark .header.scrolled {
  background: rgba(5, 5, 5, 0.8);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.logo-icon {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-neon);
  transition: transform var(--transition-bounce), box-shadow var(--transition-base);
  overflow: hidden;
}

/* Radar animation rings - stay within the logo bounds */
.radar-ring {
  position: absolute;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  animation: radar-pulse 3s ease-out infinite;
  pointer-events: none;
}

.radar-ring-1 {
  width: 20px;
  height: 20px;
  animation-delay: 0s;
}

.radar-ring-2 {
  width: 36px;
  height: 36px;
  animation-delay: 1s;
}

.radar-ring-3 {
  width: 52px;
  height: 52px;
  animation-delay: 2s;
}

@keyframes radar-pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.radar-sweep {
  position: absolute;
  width: 60%;
  height: 60%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.6) 100%);
  transform-origin: bottom left;
  left: 50%;
  bottom: 50%;
  animation: radar-sweep 2s linear infinite;
}

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

.radar-center {
  width: 12px;
  height: 12px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255,255,255,0.8);
  z-index: 2;
}

.logo-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 50%);
  border-radius: inherit;
}



.logo-text-wrapper {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo-tagline {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-top: -2px;
}

@media (max-width: 640px) {
  .logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .logo-tagline {
    display: none;
  }
  
  .theme-toggle {
    width: 64px;
    height: 36px;
  }
  
  .theme-toggle-thumb {
    width: 26px;
    height: 26px;
    top: 5px;
    left: 5px;
  }
  
  .dark .theme-toggle-thumb {
    left: calc(100% - 31px);
  }
}

/* --------------------------------
   Theme Toggle - Day/Night Scene
   -------------------------------- */
.theme-toggle {
  position: relative;
  width: 80px;
  height: 44px;
  background: linear-gradient(180deg, #87CEEB 0%, #E0F6FF 100%);
  border-radius: 22px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-slow);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.dark .theme-toggle {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 0 20px var(--accent-glow);
}

.theme-toggle-track {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Stars (visible in dark mode) */
.theme-toggle-stars {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.dark .theme-toggle-stars {
  opacity: 1;
}

.theme-toggle-stars span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: white;
  border-radius: 50%;
  animation: twinkle 2s ease-in-out infinite;
}

.theme-toggle-stars span:nth-child(1) { top: 10px; left: 8px; animation-delay: 0s; }
.theme-toggle-stars span:nth-child(2) { top: 26px; left: 22px; animation-delay: 0.5s; }
.theme-toggle-stars span:nth-child(3) { top: 12px; left: 36px; animation-delay: 1s; }

@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.5); }
}

/* Clouds (visible in light mode) */
.theme-toggle-clouds {
  position: absolute;
  inset: 0;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.dark .theme-toggle-clouds {
  opacity: 0;
}

.theme-toggle-clouds span {
  position: absolute;
  background: white;
  border-radius: 50%;
  box-shadow: 
    8px 0 0 0 white,
    -8px 0 0 0 white,
    4px -4px 0 0 white,
    -4px -4px 0 0 white;
}

.theme-toggle-clouds span:nth-child(1) {
  width: 10px;
  height: 10px;
  top: 10px;
  right: 12px;
  animation: cloud-drift 8s ease-in-out infinite;
}

.theme-toggle-clouds span:nth-child(2) {
  width: 8px;
  height: 8px;
  top: 22px;
  right: 20px;
  animation: cloud-drift 8s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes cloud-drift {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}

/* Sun/Moon thumb */
.theme-toggle-thumb {
  position: absolute;
  top: 6px;
  left: 6px;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(255, 165, 0, 0.5), inset 0 -2px 4px rgba(0,0,0,0.1);
  transition: all var(--transition-spring);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.dark .theme-toggle-thumb {
  left: calc(100% - 38px);
  background: linear-gradient(135deg, #E8E8E8 0%, #C0C0C0 100%);
  box-shadow: 0 2px 8px rgba(200, 200, 200, 0.3), inset 0 -2px 4px rgba(0,0,0,0.2);
}

.theme-icon {
  width: 18px;
  height: 18px;
  transition: all var(--transition-base);
}

.sun-icon {
  color: #fff;
  opacity: 1;
}

.moon-icon {
  color: #374151;
  opacity: 0;
  position: absolute;
}

.dark .sun-icon {
  opacity: 0;
}

.dark .moon-icon {
  opacity: 1;
}

/* --------------------------------
   Hero Section - Radar-Inspired Design
   -------------------------------- */
.hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 3rem;
  overflow: hidden;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Radar Visualization */
.hero-radar-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 500px;
  margin: 0 auto;
}

.radar-grid {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-circle {
  position: absolute;
  border: 1px solid var(--accent-primary);
  border-radius: 50%;
  opacity: 0.2;
}

.radar-circle-1 {
  width: 33%;
  height: 33%;
  animation: radar-pulse-ring 3s ease-out infinite;
}

.radar-circle-2 {
  width: 66%;
  height: 66%;
  animation: radar-pulse-ring 3s ease-out 1s infinite;
}

.radar-circle-3 {
  width: 100%;
  height: 100%;
  animation: radar-pulse-ring 3s ease-out 2s infinite;
}

@keyframes radar-pulse-ring {
  0% { opacity: 0.3; transform: scale(0.95); }
  50% { opacity: 0.15; transform: scale(1); }
  100% { opacity: 0.3; transform: scale(0.95); }
}

.radar-beam {
  position: absolute;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary) 0%, transparent 100%);
  left: 50%;
  top: 50%;
  transform-origin: left center;
  animation: radar-sweep-beam 4s linear infinite;
  box-shadow: 0 0 20px var(--accent-primary), 0 0 40px var(--accent-glow);
}

.radar-beam::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
}

@keyframes radar-sweep-beam {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Currency Blips */
.radar-blips {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-blip {
  position: absolute;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-shadow: 0 0 10px var(--accent-glow);
  transform: 
    rotate(var(--angle)) 
    translateX(var(--distance))
    rotate(calc(-1 * var(--angle)));
  animation: blip-pulse 2s ease-in-out infinite;
  animation-delay: calc(var(--angle) / 360deg * 2s);
}

.radar-blip::after {
  content: attr(data-currency);
  position: absolute;
  bottom: -1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-weight: 600;
  opacity: 0.5;
  letter-spacing: 0.05em;
}

@keyframes blip-pulse {
  0%, 100% { opacity: 0.4; transform: rotate(var(--angle)) translateX(var(--distance)) rotate(calc(-1 * var(--angle))) scale(0.9); }
  50% { opacity: 1; transform: rotate(var(--angle)) translateX(var(--distance)) rotate(calc(-1 * var(--angle))) scale(1.1); }
}

/* Main Content */
.hero-main {
  position: relative;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
}

.tagline-icon {
  animation: tagline-blink 2s ease-in-out infinite;
}

@keyframes tagline-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-title-line {
  display: block;
  opacity: 0;
  animation: slide-up 0.6s ease-out forwards;
}

.hero-title-line:nth-child(1) { animation-delay: 0.1s; }
.hero-title-line:nth-child(2) { animation-delay: 0.2s; }
.hero-title-line:nth-child(3) { animation-delay: 0.3s; }

.hero-title-small {
  font-size: 0.6em;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 0.5rem;
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
  opacity: 0;
  animation: slide-up 0.6s ease-out 0.4s forwards;
}

.hero-description strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Hero Stats - inline under description */
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
  opacity: 0;
  animation: slide-up 0.6s ease-out 0.5s forwards;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.hero-stat-number {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.hero-stat-label .info-tooltip {
  width: 12px;
  height: 12px;
}

/* Legacy ribbon styles kept for compatibility */
.hero-ribbon {
  display: none;
}

.ribbon-number {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ribbon-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

.ribbon-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

@media (max-width: 768px) {
  .hero {
    padding: 7rem 1.5rem 2rem;
  }
  
  .hero-content {
    gap: 2rem;
  }
  
  .hero-radar-visual {
    max-width: 280px;
    order: -1;
  }
  
  .ribbon-track {
    gap: 1.5rem;
  }
  
  .ribbon-number {
    font-size: 1.5rem;
  }
  
  .ribbon-divider {
    display: none;
  }
}

.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 100%;
  animation: gradient-shift 4s ease-in-out infinite;
  position: relative;
  display: inline-block;
}

.gradient-text::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-hero);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  animation: underline-draw 0.8s ease-out 0.8s forwards;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes underline-draw {
  to { transform: scaleX(1); }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Unique entrance animations */
@keyframes selector-entrance {
  0% {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    filter: blur(4px);
  }
  60% {
    opacity: 1;
    transform: translateY(-8px) scale(1.02);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes stat-card-entrance {
  0% {
    opacity: 0;
    transform: translateY(30px) rotateX(15deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

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

/* --------------------------------
   Currency Selector
   -------------------------------- */
.selector-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  perspective: 1000px;
}

/* Entrance animation for selector */
.selector-container[data-animate] {
  opacity: 0;
}

.selector-container.animate-in {
  animation: selector-entrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.selector-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  overflow: visible;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Animated gradient border effect */
.selector-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: linear-gradient(
    135deg,
    var(--accent-primary) 0%,
    transparent 40%,
    transparent 60%,
    var(--accent-primary) 100%
  );
  background-size: 300% 300%;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s ease;
}

.selector-card:hover::before {
  opacity: 0.6;
  animation: gradient-rotate 4s linear infinite;
}

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

/* Inner glow layer */
.selector-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    var(--accent-glow) 0%,
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.selector-card:hover::after {
  opacity: 0.2;
}

.selector-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 
    var(--shadow-xl), 
    0 0 60px -15px var(--accent-primary);
  transform: translateY(-8px) rotateX(2deg);
}

.selector-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: end;
}

@media (max-width: 768px) {
  .selector-container {
    padding: 0 1rem;
  }
  
  .selector-card {
    padding: 1.25rem;
    border-radius: 16px;
  }
  
  .selector-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .selector-arrow {
    display: none;
  }
  
  .selector-input {
    height: 48px;
    font-size: 0.9rem;
    padding: 0 1rem;
    padding-right: 2.5rem;
    background-size: 1rem;
    background-position: right 0.75rem center;
  }
  
  .selector-label {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .selector-container {
    padding: 0 0.75rem;
  }
  
  .selector-card {
    padding: 1rem;
    border-radius: 12px;
  }
  
  .selector-input {
    height: 44px;
    font-size: 0.85rem;
    padding: 0 0.75rem;
    padding-right: 2.25rem;
    border-radius: 12px;
  }
  
  .selector-label {
    font-size: 0.65rem;
  }
}

/* Selector groups with staggered reveal */
.selector-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.selector-container[data-animate] .selector-group {
  opacity: 0;
  transform: translateY(30px) scale(0.9);
}

.selector-container.animate-in .selector-group {
  animation: group-reveal 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.selector-container.animate-in .selector-group:first-child {
  animation-delay: 0.15s;
}

.selector-container.animate-in .selector-group:last-child {
  animation-delay: 0.25s;
}

@keyframes group-reveal {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.selector-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  transition: all 0.3s ease;
  transform-origin: left;
}

/* Label transforms when input is focused */
.selector-group:focus-within .selector-label {
  color: var(--accent-primary);
  transform: scale(1.05);
  text-shadow: 0 0 20px var(--accent-glow);
}

.selector-input {
  height: 60px;
  padding: 0 1.25rem;
  background-color: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2371717a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-position: right 1rem center;
  background-repeat: no-repeat;
  background-size: 1.25rem;
  padding-right: 3rem;
  position: relative;
  transform-origin: center;
}

.selector-input:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-secondary);
  transform: translateY(-3px);
  box-shadow: 
    0 10px 30px -10px rgba(0, 0, 0, 0.2),
    0 0 0 1px var(--accent-primary);
}

.selector-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background-color: var(--bg-secondary);
  box-shadow: 
    0 0 0 4px var(--accent-glow),
    0 20px 40px -15px var(--accent-glow);
  transform: translateY(-4px) scale(1.02);
}

.selector-input:active {
  transform: translateY(-1px) scale(0.99);
  transition: all 0.1s ease;
}

.selector-input option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem;
}

/* Optgroup styling for popular currencies */
.selector-input optgroup {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent-primary);
  background: var(--bg-tertiary);
  padding: 0.5rem 0;
}

.selector-input optgroup[label="★ Popular"] {
  border-bottom: 1px solid var(--border-color);
}

.selector-input optgroup option {
  font-weight: 400;
  color: var(--text-primary);
  padding-left: 1rem;
}

.dark .selector-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2352525b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
}

.selector-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-hero);
  border-radius: 50%;
  margin-bottom: 6px;
  box-shadow: var(--shadow-md);
  position: relative;
}

/* Arrow entrance animation */
.selector-container[data-animate] .selector-arrow {
  opacity: 0;
  transform: scale(0) rotate(-180deg);
}

.selector-container.animate-in .selector-arrow {
  animation: arrow-pop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s forwards;
}

@keyframes arrow-pop {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-180deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.2) rotate(20deg);
  }
  70% {
    transform: scale(0.9) rotate(-5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* Continuous floating animation after entrance */
.selector-container.animate-in .selector-arrow {
  --arrow-float: running;
}

.selector-arrow::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), transparent, var(--accent-primary));
  opacity: 0;
  z-index: -1;
  animation: arrow-ring-spin 3s linear infinite;
  animation-play-state: paused;
}

.selector-card:hover .selector-arrow::before {
  opacity: 0.5;
  animation-play-state: running;
}

@keyframes arrow-ring-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Arrow icon breathing */
.selector-arrow svg {
  width: 20px;
  height: 20px;
  color: white;
  animation: arrow-breathe 2s ease-in-out infinite;
}

@keyframes arrow-breathe {
  0%, 100% { 
    transform: translateX(0);
    opacity: 1;
  }
  50% { 
    transform: translateX(3px);
    opacity: 0.8;
  }
}

/* --------------------------------
   Stats Cards
   -------------------------------- */
.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  perspective: 800px;
  overflow: visible;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
  opacity: 0;
  animation: stat-card-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Allow tooltips to escape overflow context */
.stat-label {
  position: static;
}

/* Staggered entrance for each stat card */
.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.15s; }
.stat-card:nth-child(3) { animation-delay: 0.2s; }
.stat-card:nth-child(4) { animation-delay: 0.25s; }
.stat-card:nth-child(5) { animation-delay: 0.3s; }
.stat-card:nth-child(6) { animation-delay: 0.35s; }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  background-size: 200% 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-card:hover::before {
  transform: scaleX(1);
  animation: shimmer-border 1.5s linear infinite;
}

.stat-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 8px 32px -8px var(--accent-glow);
  border-color: var(--accent-primary);
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  position: static;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Responsive stat label sizing */
@media (max-width: 1200px) {
  .stat-label {
    font-size: 0.65rem;
    letter-spacing: 0.02em;
  }
}

@media (max-width: 768px) {
  .stat-label {
    font-size: 0.7rem;
  }
}

/* --------------------------------
   Info Tooltip Component
   Uses JavaScript for positioning to escape overflow contexts
   -------------------------------- */
.info-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: var(--text-tertiary);
  cursor: help;
  position: relative;
  vertical-align: middle;
  opacity: 0.7;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.info-tooltip:hover {
  opacity: 1;
  color: var(--accent-primary);
}

.info-tooltip svg {
  width: 100%;
  height: 100%;
}

/* Tooltip popup - positioned via JS */
.tooltip-popup {
  position: fixed;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.5;
  padding: 0.625rem 0.875rem;
  border-radius: 10px;
  white-space: normal;
  width: max-content;
  max-width: 240px;
  box-shadow: 
    0 10px 40px -10px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 99999;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.tooltip-popup.visible {
  opacity: 1;
  transform: translateY(0);
}

.tooltip-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--border-color);
}

.stat-value {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.accent {
  color: var(--accent-primary);
}

.stat-value.high {
  color: #10b981;
}

.stat-value.low {
  color: #ef4444;
}

.stat-value.markup {
  color: #f59e0b;
}

/* --------------------------------
   Chart Container
   -------------------------------- */
.chart-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

#chart {
  width: 100%;
}

.chart-card:hover {
  box-shadow: var(--shadow-xl);
}

/* --------------------------------
   Empty State
   -------------------------------- */
.empty-state {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.empty-card {
  position: relative;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: 24px;
  padding: 5rem 2rem;
  text-align: center;
  transition: all var(--transition-base);
  overflow: hidden;
}

.empty-card:hover {
  border-color: var(--accent-primary);
  border-style: solid;
}

.empty-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--gradient-card);
  border-radius: 24px;
  margin-bottom: 1.5rem;
  animation: empty-float 4s ease-in-out infinite;
}

@keyframes empty-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(3deg); }
}

.empty-icon svg {
  width: 40px;
  height: 40px;
  color: var(--accent-primary);
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.empty-description {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

/* --------------------------------
   Loader
   -------------------------------- */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

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

.loader-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --------------------------------
   Footer
   -------------------------------- */
.footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-link svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------
   Notification Toast
   -------------------------------- */
#notification-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.75rem;
  max-width: 400px;
  pointer-events: none;
}

.notification {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  opacity: 0;
  transition: all var(--transition-bounce);
  pointer-events: auto;
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification-success {
  border-left: 3px solid #10b981;
}

.notification-error {
  border-left: 3px solid #ef4444;
}

.notification-warning {
  border-left: 3px solid #f59e0b;
}

.notification-info {
  border-left: 3px solid #3b82f6;
}

.notif-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.notification-success .notif-icon { color: #10b981; }
.notification-error .notif-icon { color: #ef4444; }
.notification-warning .notif-icon { color: #f59e0b; }
.notification-info .notif-icon { color: #3b82f6; }

.notif-message {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.notif-close {
  width: 20px;
  height: 20px;
  padding: 0;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.notif-close:hover {
  color: var(--text-primary);
}

.notif-close svg {
  width: 16px;
  height: 16px;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

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

/* --------------------------------
   Time Range Selector
   -------------------------------- */
.time-range-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.time-range-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.time-range-btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.time-range-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.time-range-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.time-range-btn.active:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

@media (max-width: 480px) {
  .time-range-buttons {
    gap: 0.375rem;
  }
  
  .time-range-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* --------------------------------
   Series Toggle Controls
   -------------------------------- */
.series-toggles-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 1rem;
}

.series-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.series-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  user-select: none;
}

.series-toggle:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.series-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-indicator {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  transition: all var(--transition-fast);
}

.toggle-indicator.visa-rate {
  background: #10b981;
}

.toggle-indicator.mc-rate {
  background: #ef4444;
}

.toggle-indicator.ecb-rate {
  background: #3b82f6;
}

.toggle-indicator.visa-markup {
  background: #f59e0b;
  border: 2px dashed #f59e0b;
  background: transparent;
}

.series-toggle input[type="checkbox"]:checked + .toggle-indicator.visa-markup {
  background: #f59e0b;
}

.series-toggle input[type="checkbox"]:not(:checked) + .toggle-indicator {
  opacity: 0.3;
}

.toggle-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.series-toggle input[type="checkbox"]:not(:checked) ~ .toggle-label {
  opacity: 0.5;
  text-decoration: line-through;
}

@media (max-width: 480px) {
  .series-toggles {
    flex-direction: column;
    align-items: stretch;
  }
  
  .series-toggle {
    justify-content: center;
  }
}

/* --------------------------------
   Utility Classes
   -------------------------------- */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --------------------------------
   Print Styles
   -------------------------------- */
@media print {
  .bg-pattern,
  .header,
  .theme-toggle {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}