/* Bitget Exchange Theme Main Styles */

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0d0d0d;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --bg-hover: #333333;

  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;

  --accent-color: #f7931a;
  --accent-hover: #e8851a;
  --accent-bg: rgba(247, 147, 26, 0.1);

  --success-color: #26a69a;
  --success-hover: #2bbbad;
  --success-bg: rgba(38, 166, 154, 0.1);

  --error-color: #ef5350;
  --error-hover: #f44336;
  --error-bg: rgba(239, 83, 80, 0.1);

  --warning-color: #ff9800;
  --warning-bg: rgba(255, 152, 0, 0.1);

  --info-color: #2196f3;
  --info-bg: rgba(33, 150, 243, 0.1);

  --border-color: #333333;
  --border-light: #444444;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-secondary);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-danger {
  background: var(--error-color);
  color: white;
}

.btn-danger:hover {
  background: var(--error-hover);
}

/* Header */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.site-logo img {
  height: 32px;
  width: auto;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.main-navigation .nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.main-navigation .nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-navigation .nav-menu a:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.auth-buttons {
  display: flex;
  gap: 0.75rem;
}

.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
}

.user-menu-toggle:hover {
  background: var(--bg-hover);
}

.user-avatar img {
  border-radius: 50%;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  min-width: 200px;
  display: none;
  box-shadow: var(--shadow-lg);
}

.user-menu:hover .user-dropdown {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
}

.dropdown-item:hover {
  background: var(--bg-hover);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.2s ease;
}

/* Landing Page */
.landing-hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  color: var(--accent-color);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.trading-preview img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Features Section */
.features-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

/* Trading Modes Section */
.trading-modes-section {
  padding: 6rem 0;
}

.trading-modes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.mode-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  position: relative;
}

.mode-card.featured {
  border-color: var(--accent-color);
  background: var(--accent-bg);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: var(--bg-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.mode-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.mode-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.mode-features {
  list-style: none;
}

.mode-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.mode-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* Security Section */
.security-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.security-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.security-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.security-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.security-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.security-feature h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.security-feature p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.security-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.security-shield img {
  max-width: 100%;
  height: auto;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
  color: var(--bg-primary);
}

.cta-content {
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cta-actions .btn {
  background: var(--bg-primary);
  color: var(--text-primary);
}

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

.cta-actions .btn-outline:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-branding img {
  height: 32px;
  margin-bottom: 1rem;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

/* Dashboard */
.user-dashboard {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 600;
}

.dashboard-actions {
  display: flex;
  gap: 1rem;
}

.dashboard-overview {
  margin-bottom: 2rem;
}

.overview-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.overview-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

.overview-card h3 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.balance-amount,
.pnl-amount,
.orders-count,
.positions-count {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.balance-change,
.pnl-percentage,
.orders-value,
.positions-value {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.balance-change.positive,
.pnl-percentage.positive {
  color: var(--success-color);
}

.balance-change.negative,
.pnl-percentage.negative {
  color: var(--error-color);
}

.dashboard-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.market-overview,
.recent-trades,
.quick-actions,
.account-status {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.market-overview h3,
.recent-trades h3,
.quick-actions h3,
.account-status h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.market-item,
.trade-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.market-item:last-child,
.trade-item:last-child {
  border-bottom: none;
}

.market-symbol,
.trade-pair {
  font-weight: 600;
}

.market-change.positive,
.trade-side.buy {
  color: var(--success-color);
}

.market-change.negative,
.trade-side.sell {
  color: var(--error-color);
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.action-icon {
  font-size: 1.5rem;
}

.action-text {
  font-size: 0.875rem;
  font-weight: 500;
}

.status-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.status-value {
  font-weight: 500;
}

.status-value.verified {
  color: var(--success-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .security-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }

  .main-navigation {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .features-grid,
  .trading-modes {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom-content {
    flex-direction: column;
    gap: 1rem;
  }

  .dashboard-content {
    grid-template-columns: 1fr;
  }

  .overview-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .action-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .action-buttons {
    grid-template-columns: 1fr;
  }

  .user-dashboard {
    padding: 1rem;
  }
}

/* Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

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

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-md);
}
.mb-3 {
  margin-bottom: var(--spacing-lg);
}
.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-sm);
}
.mt-2 {
  margin-top: var(--spacing-md);
}
.mt-3 {
  margin-top: var(--spacing-lg);
}
.mt-4 {
  margin-top: var(--spacing-xl);
}

.hidden {
  display: none;
}
.visible {
  display: block;
}

.positive {
  color: var(--success-color);
}
.negative {
  color: var(--error-color);
}
.muted {
  color: var(--text-muted);
}