/* Main App CSS */
:root {
  /* Dark theme colors - updated to match image */
  --bg-primary: #1e1e24;
  --bg-secondary: #2a2a30;
  --bg-tertiary: #3a3a42;
  --bg-card: #2a2a30;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b8;
  --accent-primary: #3f88e2;
  --accent-secondary: #5e9aeb;
  --border-color: #383840;
  --grid-color: #383840;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --danger-color: #f44336;
  --random-color: #e2b53f;
  --equal-weight-color: #4caf50;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;

  /* Chart dimensions */
  --chart-height: 300px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-container h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.title-container p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Navigation Menu Styles */
.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  transition: color 0.2s;
}

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

.nav-link.active {
  color: var(--accent-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background-color: var(--accent-primary);
}

.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  padding: var(--spacing-lg);
  gap: var(--spacing-lg);
  height: calc(100vh - 80px); /* Account for header height */
}

.left-panel {
  flex: 3;
  display: flex;
  flex-direction: column;
  overflow-y: auto; /* Add scroll to left panel */
  gap: var(--spacing-lg);
  max-height: 100%;
  padding-right: var(--spacing-sm); /* Add space for scrollbar */
}

.right-panel {
  flex: 1;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
}

.config-card {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-md);
}

.config-title {
  text-align: center;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-weight: 500;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  grid-gap: var(--spacing-md);
  align-items: center;
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.config-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.config-input {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: var(--spacing-sm);
  border-radius: 4px;
  font-size: var(--font-size-sm);
  outline: none;
  height: 38px;
}

.config-input:focus {
  border-color: var(--accent-primary);
}

.run-button {
  background-color: var(--accent-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  height: 38px;
}

.run-button:hover {
  background-color: var(--accent-secondary);
}

.graph-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  overflow: visible;
}

.chart-card {
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 25px;
}

.chart-title {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
}

.chart-content {
  position: relative;
  height: 220px; /* Reduced from 300px */
  width: 100%;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  width: 100%;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.stat-card {
  background-color: var(--bg-tertiary);
  border-radius: 6px;
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  border: none;
  box-shadow: none;
}

/* Style for strategy headers (first row) */
.stat-card.strategy-header {
  background-color: var(--bg-primary);
  border-bottom: 2px solid var(--accent-primary);
  border-top: 2px solid var(--accent-primary);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-sm);
}

/* Styling for metric rows */
.stat-card.metric-row {
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.stat-card.metric-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Specific styling for each strategy column */
.stat-card.ogd-strategy {
  border-left-color: var(--accent-primary);
}

.stat-card.equal-weight-strategy {
  border-left-color: var(--equal-weight-color);
}

.stat-card.random-strategy {
  border-left-color: var(--random-color);
}

/* Specific styling for metric labels */
.stat-card.metric-label {
  justify-content: flex-start;
  background-color: var(--bg-primary);
  font-weight: 500;
  border-right: 2px solid var(--border-color);
  padding-left: var(--spacing-md);
}

.stat-title {
  font-size: var(--font-size-xs);
  color: var(--accent-primary);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.stat-value {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.stat-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* Ticker Selection Panel */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: var(--font-size-md);
  font-weight: 500;
}

.ticker-controls {
  display: flex;
  gap: var(--spacing-sm);
}

.ticker-button {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all 0.2s;
}

.ticker-button:hover {
  background-color: var(--accent-primary);
  color: white;
}

.stock-list {
  overflow-y: auto;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.sector-group {
  margin: var(--spacing-md) 0;
}

.sector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-sm);
}

.sector-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-sm);
}

.sector-name {
  display: flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.sector-arrow {
  transition: transform 0.2s;
}

.sector-arrow.open {
  transform: rotate(90deg);
}

.sector-toggle {
  font-size: var(--font-size-xs);
  color: var(--accent-primary);
  background: none;
  border: none;
  cursor: pointer;
}

.ticker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xs) var(--spacing-sm);
}

.stock-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs);
}

.stock-checkbox {
  margin-right: var(--spacing-xs);
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background-color: var(--bg-tertiary);
  cursor: pointer;
  position: relative;
}

.stock-checkbox:checked {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.stock-checkbox:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.stock-ticker {
  font-size: var(--font-size-xs);
  cursor: pointer;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(30, 30, 36, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--accent-primary);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: var(--spacing-md);
}

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

.loading-text {
  font-size: var(--font-size-md);
  color: var(--text-primary);
}

/* Toggle switch for sectors */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.toggle-checkbox {
  height: 0;
  width: 0;
  visibility: hidden;
  position: absolute;
}

.toggle-label {
  cursor: pointer;
  width: 32px;
  height: 16px;
  background: var(--bg-tertiary);
  display: block;
  border-radius: 100px;
  position: relative;
}

.toggle-label:after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: 0.3s;
}

.toggle-checkbox:checked + .toggle-label {
  background: var(--accent-primary);
}

.toggle-checkbox:checked + .toggle-label:after {
  left: calc(100% - 2px);
  transform: translateX(-100%);
  background: white;
}

/* Responsiveness */
@media (max-width: 1280px) {
  .main-content {
    flex-direction: column;
  }
  
  .right-panel {
    max-height: none;
  }
  
  .config-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .ticker-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stats-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-row {
    grid-template-columns: 1fr 1fr 1fr;
    font-size: 0.9em;
  }
  
  .ticker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-row {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  
  .stat-card.strategy-header {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--spacing-md);
  }
  
  .stat-card.metric-label {
    display: none;
  }
  
  .stat-card.metric-row::before {
    content: attr(data-metric);
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
  }
}

.alpha-controls {
  margin-top: var(--spacing-md);
}

.alpha-title {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 500;
  text-align: center;
}

.alpha-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

/* Add these new styles for advanced controls */
.advanced-controls {
  margin-top: 15px;
  padding: 15px;
  border-radius: 8px;
  background-color: rgba(56, 56, 64, 0.4);
}

.advanced-controls .alpha-title {
  font-size: 14px;
  color: #adb5bd;
  margin-bottom: 12px;
}

.advanced-controls .alpha-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-md);
}

/* Education Page Styles */
.education-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: var(--spacing-lg);
  overflow-y: auto;
  height: calc(100vh - 80px);
}

.education-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.education-header h2 {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.education-header p {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

.variable-definitions {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.variable-definitions h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--accent-primary);
}

.variable-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-lg) var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.variable-math {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.variable-math .math-symbol {
  color: var(--accent-primary);
  margin-right: var(--spacing-sm);
}

.variable-description {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

.subsection {
  margin-bottom: var(--spacing-xl);
}

.subsection h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.subsection p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

.chart-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  position: relative; /* Add positioning context */
}

.edu-chart {
  flex: 1;
  min-width: 400px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-md);
  height: 300px;
  position: relative; /* Ensure proper stacking context */
}

.edu-chart h4 {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-md);
  color: var(--text-primary);
}

/* Override fixed height for the grid container and apply proper spacing */
.edu-metrics-grid {
  height: auto !important; /* Force override with !important */
  min-height: 250px;
  max-height: none;
  overflow: visible;
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* Add new class for the objective-charts-wrapper */
.objective-charts-wrapper {
  position: relative;
  margin-bottom: 350px; /* Large margin to ensure space for descriptions */
}

/* Add new class for the objective-descriptions-wrapper */
.objective-descriptions-wrapper {
  position: relative;
  clear: both;
  width: 100%;
}

.asset-descriptions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  position: relative; /* Ensure proper position */
  z-index: 1; /* Ensure it's above other elements */
}

.asset-description {
  flex: 1;
  min-width: 250px;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  padding: var(--spacing-md);
  position: relative; /* Ensure proper stacking */
}

.asset-description h5 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.asset-description:nth-child(1) h5 {
  color: #3f88e2; /* Asset A color */
}

.asset-description:nth-child(2) h5 {
  color: #4caf50; /* Asset B color */
}

.asset-description:nth-child(3) h5 {
  color: #e2b53f; /* Asset C color */
}

/* Maximum Drawdown asset colors */
#maximum-drawdown .asset-description:nth-child(1) h5 {
  color: #ff6384; /* Asset D color */
}

#maximum-drawdown .asset-description:nth-child(2) h5 {
  color: #36a2eb; /* Asset E color */
}

#maximum-drawdown .asset-description:nth-child(3) h5 {
  color: #ffcd56; /* Asset F color */
}

.demo-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-xs) 0;
  color: var(--accent-primary);
}

.demo-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  max-width: 900px;
}

/* Concentration Example Styles */
.concentration-explanations {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.concentration-example {
  flex: 1;
  min-width: 300px;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  padding: var(--spacing-md);
}

.concentration-example h5 {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.concentration-example:nth-child(1) h5 {
  color: #ff6384; /* Concentrated portfolio */
}

.concentration-example:nth-child(2) h5 {
  color: #4caf50; /* Balanced portfolio */
}

.concentration-example:nth-child(3) h5 {
  color: #ffcd56; /* Over-diversified portfolio */
}

/* ENP Indicator Styles */
.enp-indicator {
  margin-top: var(--spacing-md);
}

.enp-value {
  display: block;
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.concentration-example:nth-child(1) .enp-value {
  color: #ff6384;
}

.concentration-example:nth-child(2) .enp-value {
  color: #4caf50;
}

.concentration-example:nth-child(3) .enp-value {
  color: #ffcd56;
}

.enp-bar {
  height: 10px;
  background-color: var(--bg-primary);
  border-radius: 5px;
  position: relative;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
}

.enp-progress {
  height: 100%;
  border-radius: 5px;
  position: absolute;
  top: 0;
  left: 0;
  max-width: 100%;
}

.concentration-example:nth-child(1) .enp-progress {
  background-color: #ff6384;
}

.concentration-example:nth-child(2) .enp-progress {
  background-color: #4caf50;
}

.concentration-example:nth-child(3) .enp-progress {
  background-color: #ffcd56;
}

.enp-marker {
  position: absolute;
  bottom: -25px;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.enp-marker::before {
  content: '';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  height: 12px;
  width: 1px;
  background-color: var(--border-color);
}

.min-marker::before {
  background-color: #ff9800;
}

.max-marker::before {
  background-color: #8bc34a;
}

/* Formula Styles */
.formula-container {
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.formula {
  flex: 1;
  min-width: 300px;
}

.formula-header {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.formula-content {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  line-height: 2.2;
}

.formula-explanation {
  flex: 1;
  min-width: 300px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.formula-notation {
  font-size: var(--font-size-md);
  font-style: italic;
  color: var(--text-secondary);
  margin: var(--spacing-sm) 0;
}

/* Mathematical notation */
.fraction {
  display: inline-block;
  position: relative;
  vertical-align: middle;
  text-align: center;
  font-size: var(--font-size-md);
}

.numerator, .denominator {
  display: block;
}

.numerator {
  padding: 0 0.2em;
  border-bottom: 1px solid var(--text-primary);
}

.denominator {
  padding: 0 0.2em;
}

.sqrt {
  display: inline-block;
  position: relative;
  padding-left: 0.4em;
}

.sqrt:before {
  content: "√";
  position: absolute;
  left: 0;
  top: -0.1em;
  font-size: 1.2em;
}

.sqrt-content {
  display: inline-block;
  border-top: 1px solid var(--text-primary);
  padding: 0 0.2em;
}

/* Interactive Demo Styles */
.interactive-demo {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.interactive-demo h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.interactive-demo p {
  margin-bottom: var(--spacing-md);
}

/* Ensure the grid has proper spacing between rows and columns */
.stats-row {
  display: grid;
  grid-gap: var(--spacing-sm);
  width: 100%;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  position: relative; /* Add positioning context */
}