/* Universal Styles for FoodFutures */

/* Import modern fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* CSS Variables for consistent theming */
:root {
  /* Colors */
  --primary-bg: #0a0a0a;
  --secondary-bg: #121212;
  --card-bg: #1a1a1a;
  --accent-color: #00ff88;
  --accent-glow: rgba(0, 255, 136, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border-color: rgba(255, 255, 255, 0.1);
  --positive-color: #00ff88;
  --negative-color: #ff4757;
  --warning-color: #ffa726;
  
  /* Shadows & Glows */
  --glow-primary: 0 0 20px rgba(0, 255, 136, 0.3);
  --glow-secondary: 0 0 40px rgba(0, 255, 136, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 16px 64px rgba(0, 0, 0, 0.6);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Borders */
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-width: 1px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
}

/* Cursor Glow Effect */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: -1;
  transition: opacity 0.3s ease;
}

/* Navigation Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: var(--border-width) solid var(--border-color);
  padding: var(--spacing-md) 0;
  animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  position: relative;
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
  z-index: 2;
}

.logo-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-color);
  border-radius: var(--border-radius);
  opacity: 0;
  animation: logoPulse 2s infinite;
}

@keyframes logoPulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0;
  }
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
  transition: left 0.5s ease;
}

.nav-link:hover:before {
  left: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-color);
  box-shadow: var(--glow-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.language-toggle {
  display: flex;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  border: var(--border-width) solid var(--border-color);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: calc(var(--border-radius) - 2px);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.lang-btn.active,
.lang-btn:hover {
  color: var(--accent-color);
  background: rgba(0, 255, 136, 0.1);
  box-shadow: var(--glow-primary);
}

.nav-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: var(--border-width) solid transparent;
  font-size: 0.9rem;
}

.login-btn {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.login-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: var(--glow-primary);
}

.signup-btn {
  background: var(--accent-color);
  color: var(--primary-bg);
  border-color: var(--accent-color);
}

.signup-btn:hover {
  background: transparent;
  color: var(--accent-color);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

/* Main Content */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero-section {
  padding: var(--spacing-2xl) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.title-line {
  display: block;
  color: var(--text-primary);
}

.title-line.accent {
  color: var(--accent-color);
  text-shadow: var(--glow-primary);
  animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
  from {
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  }
  to {
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.8);
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Buttons */
.cta-primary,
.cta-secondary {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: var(--border-width) solid transparent;
  position: relative;
  overflow: hidden;
}

.cta-primary {
  background: var(--accent-color);
  color: var(--primary-bg);
  border-color: var(--accent-color);
}

.cta-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 0.6s ease;
}

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

.cta-primary:hover {
  box-shadow: var(--glow-primary);
  transform: translateY(-3px);
}

.cta-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.cta-secondary:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: var(--glow-primary);
}

.large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.1rem;
}

/* Trading Card */
.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.trading-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  animation: cardFloat 6s ease-in-out infinite;
}

@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.trading-card:before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--accent-color), transparent, var(--accent-color));
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0;
  animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 0.6;
  }
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.market-name {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.market-status {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.market-status.active {
  background: rgba(0, 255, 136, 0.2);
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
}

.price-display {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.current-price {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.price-change {
  font-size: 1rem;
  font-weight: 600;
}

.price-change.positive {
  color: var(--positive-color);
}

.price-change.negative {
  color: var(--negative-color);
}

.mini-chart {
  height: 60px;
  background: rgba(0, 255, 136, 0.05);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.chart-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-color), var(--positive-color));
  animation: chartPulse 2s ease-in-out infinite;
}

@keyframes chartPulse {
  0%, 100% {
    transform: translateY(-50%) scaleY(1);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-50%) scaleY(2);
    opacity: 1;
  }
}

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.trade-btn {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trade-btn.buy {
  background: var(--positive-color);
  color: var(--primary-bg);
}

.trade-btn.buy:hover {
  background: transparent;
  color: var(--positive-color);
  border: var(--border-width) solid var(--positive-color);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.trade-btn.sell {
  background: var(--negative-color);
  color: var(--text-primary);
}

.trade-btn.sell:hover {
  background: transparent;
  color: var(--negative-color);
  border: var(--border-width) solid var(--negative-color);
  box-shadow: 0 0 20px rgba(255, 71, 87, 0.4);
}

/* Sections */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
}

/* Features Section */
.features-section {
  padding: var(--spacing-2xl) 0;
  background: var(--secondary-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--accent-color);
}

.feature-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.05), transparent);
  transition: left 0.8s ease;
}

.feature-card:hover:before {
  left: 100%;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  display: block;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s ease;
}

.stat-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-color);
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-sm);
  text-shadow: var(--glow-primary);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background: var(--secondary-bg);
  position: relative;
}

.cta-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--primary-bg);
  border-top: var(--border-width) solid var(--border-color);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: var(--border-width) solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .nav-menu {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-actions {
    gap: var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .trading-card {
    padding: var(--spacing-lg);
  }
  
  .current-price {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }
  
  .nav-actions {
    order: -1;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
  animation: slideUp 0.6s ease-out;
}

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

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading:after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Form Styles for Future Pages */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: var(--glow-primary);
}

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

/* Table Styles for Dashboard */
.data-table {
  width: 100%;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: var(--border-width) solid var(--border-color);
}

.data-table th,
.data-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: var(--border-width) solid var(--border-color);
}

.data-table th {
  background: var(--secondary-bg);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  color: var(--text-secondary);
}

.data-table tr:hover {
  background: rgba(0, 255, 136, 0.05);
}

/* Card Components for Dashboard */
.dashboard-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--accent-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
}

/* Status Indicators */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.success {
  background: rgba(0, 255, 136, 0.2);
  color: var(--positive-color);
  border: 1px solid var(--positive-color);
}

.status-badge.warning {
  background: rgba(255, 167, 38, 0.2);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.status-badge.error {
  background: rgba(255, 71, 87, 0.2);
  color: var(--negative-color);
  border: 1px solid var(--negative-color);
}

/* Chart Container */
.chart-container {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

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

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

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

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

/* Selection Styling */
::selection {
  background: rgba(0, 255, 136, 0.3);
  color: var(--text-primary);
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}