/* ========================================
   Amazon Design System Foundation
   ======================================== */

/* Amazon Design System CSS Custom Properties */
:root {
  /* Primary Amazon Colors */
  --amazon-orange: #ff9900;
  --amazon-blue: #232f3e;
  --amazon-light-blue: #37475a;

  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f3f3f3;
  --medium-gray: #e6e6e6;
  --dark-gray: #666666;
  --text-primary: #0f1111;
  --text-secondary: #565959;

  /* Interactive Colors */
  --link-blue: #007185;
  --link-hover: #c7511f;
  --success-green: #067d62;
  --warning-orange: #b12704;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8f8;
  --bg-tertiary: #eaeded;

  /* Amazon Typography System */
  --font-primary:
    'Amazon Ember', 'Source Sans Pro', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono:
    'Amazon Ember Mono', 'Source Code Pro', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New',
    monospace;

  /* Bootstrap Font Family Overrides */
  --bs-font-sans-serif: var(--font-primary);
  --bs-font-monospace: var(--font-mono);
  --bs-body-font-family: var(--font-primary);
  --bs-body-font-size: var(--text-base);
  --bs-body-font-weight: 400;
  --bs-body-line-height: var(--leading-normal);

  /* Font Sizes */
  --text-xs: 0.75rem; /* 12px */
  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-lg: 1.125rem; /* 18px */
  --text-xl: 1.25rem; /* 20px */
  --text-2xl: 1.5rem; /* 24px */
  --text-3xl: 1.875rem; /* 30px */

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Spacing System */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */

  /* Border Radius */
  --radius-sm: 0.25rem; /* 4px */
  --radius-md: 0.375rem; /* 6px */
  --radius-lg: 0.5rem; /* 8px */
  --radius-xl: 0.75rem; /* 12px */

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* ========================================
   Base Styles with Amazon Theming
   ======================================== */

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

/* ========================================
   Bootstrap Component Overrides with Amazon Design
   ======================================== */

/* Bootstrap Root Variable Overrides */
:root {
  /* Override Bootstrap's CSS custom properties with Amazon colors */
  --bs-primary: var(--amazon-orange);
  --bs-primary-rgb: 255, 153, 0;
  --bs-secondary: var(--amazon-light-blue);
  --bs-secondary-rgb: 55, 71, 90;
  --bs-success: var(--success-green);
  --bs-success-rgb: 6, 125, 98;
  --bs-info: var(--link-blue);
  --bs-info-rgb: 0, 113, 133;
  --bs-warning: var(--warning-orange);
  --bs-warning-rgb: 177, 39, 4;
  --bs-danger: #dc3545;
  --bs-danger-rgb: 220, 53, 69;
  --bs-light: var(--light-gray);
  --bs-light-rgb: 243, 243, 243;
  --bs-dark: var(--amazon-blue);
  --bs-dark-rgb: 35, 47, 62;

  /* Bootstrap component-specific overrides */
  --bs-body-bg: var(--bg-secondary);
  --bs-body-color: var(--text-primary);
  --bs-link-color: var(--link-blue);
  --bs-link-hover-color: var(--link-hover);
  --bs-border-color: var(--medium-gray);
  --bs-border-radius: var(--radius-md);
  --bs-border-radius-sm: var(--radius-sm);
  --bs-border-radius-lg: var(--radius-lg);
  --bs-border-radius-xl: var(--radius-xl);
}

/* Card Components */
.card {
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
  border: none;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  background-color: var(--bg-primary);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--medium-gray);
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  color: var(--text-primary);
}

.card-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--medium-gray);
}

/* Button Overrides - Enhanced Amazon Styling */
.btn {
  font-family: var(--font-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  border-width: 1px;
  text-transform: none;
  letter-spacing: 0.025em;
}

.btn-primary {
  background-color: var(--amazon-orange);
  border-color: var(--amazon-orange);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(255, 153, 0, 0.2);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--link-hover);
  border-color: var(--link-hover);
  color: var(--white);
  box-shadow: 0 4px 8px rgba(199, 81, 31, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--amazon-light-blue);
  border-color: var(--amazon-light-blue);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(55, 71, 90, 0.2);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--amazon-blue);
  border-color: var(--amazon-blue);
  color: var(--white);
  box-shadow: 0 4px 8px rgba(35, 47, 62, 0.3);
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--success-green);
  border-color: var(--success-green);
  box-shadow: 0 2px 4px rgba(6, 125, 98, 0.2);
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background-color: #055a4a;
  border-color: #055a4a;
  box-shadow: 0 4px 8px rgba(5, 90, 74, 0.3);
  transform: translateY(-1px);
}

.btn-info {
  background-color: var(--link-blue);
  border-color: var(--link-blue);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 113, 133, 0.2);
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
  background-color: #005a6b;
  border-color: #005a6b;
  color: var(--white);
  box-shadow: 0 4px 8px rgba(0, 90, 107, 0.3);
  transform: translateY(-1px);
}

.btn-warning {
  background-color: var(--warning-orange);
  border-color: var(--warning-orange);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(177, 39, 4, 0.2);
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
  background-color: #8b1e02;
  border-color: #8b1e02;
  color: var(--white);
  box-shadow: 0 4px 8px rgba(139, 30, 2, 0.3);
  transform: translateY(-1px);
}

/* Outline Button Variants */
.btn-outline-primary {
  color: var(--amazon-orange);
  border-color: var(--amazon-orange);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
  background-color: var(--amazon-orange);
  border-color: var(--amazon-orange);
  color: var(--white);
}

.btn-outline-secondary {
  color: var(--amazon-light-blue);
  border-color: var(--amazon-light-blue);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-outline-secondary:active {
  background-color: var(--amazon-light-blue);
  border-color: var(--amazon-light-blue);
  color: var(--white);
}

/* Navigation Overrides - Enhanced Amazon Styling */
.navbar {
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

.navbar-dark.bg-primary {
  background-color: var(--amazon-blue) !important;
}

.navbar-brand {
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--white) !important;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--white) !important;
}

.nav-tabs {
  border-bottom: 2px solid var(--medium-gray);
  margin-bottom: var(--spacing-lg);
}

.nav-tabs .nav-link {
  color: var(--text-secondary);
  border: none;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-normal);
  font-weight: 500;
  padding: var(--spacing-md) var(--spacing-lg);
  margin-right: var(--spacing-sm);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.nav-tabs .nav-link.active {
  color: var(--amazon-orange);
  font-weight: 600;
  border-bottom-color: var(--amazon-orange);
  background-color: var(--bg-primary);
  border-top: 1px solid var(--medium-gray);
  border-left: 1px solid var(--medium-gray);
  border-right: 1px solid var(--medium-gray);
}

.nav-tabs .nav-link:hover:not(.active) {
  color: var(--link-blue);
  border-bottom-color: var(--link-blue);
  background-color: var(--bg-tertiary);
}

/* Modal Overrides - Enhanced Amazon Styling */
.modal-content {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  background: linear-gradient(135deg, var(--amazon-blue) 0%, var(--amazon-light-blue) 100%);
  color: var(--white);
  border-bottom: none;
  padding: var(--spacing-lg);
}

.modal-title {
  font-weight: 600;
  font-size: var(--text-xl);
}

.modal-body {
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
}

.modal-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--medium-gray);
  padding: var(--spacing-lg);
}

.btn-close {
  filter: invert(1);
  opacity: 0.8;
}

.btn-close:hover {
  opacity: 1;
}

/* ========================================
   Enhanced Application-Specific Components with Amazon Patterns
   ======================================== */

/* Enhanced Goal Components */
.goal-card {
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--amazon-orange);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.goal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--amazon-orange) 0%, var(--link-hover) 100%);
}

.goal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--link-hover);
}

.goal-card .card-header {
  background: linear-gradient(135deg, var(--amazon-orange) 0%, var(--link-hover) 100%);
  color: var(--white);
  font-weight: 600;
  border-bottom: none;
}

.goal-progress {
  height: 12px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-tertiary);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.goal-progress .progress-bar {
  background: linear-gradient(90deg, var(--amazon-orange) 0%, var(--link-hover) 100%);
  border-radius: var(--radius-lg);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.goal-progress .progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    transparent 25%,
    rgba(255, 255, 255, 0.2) 25%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 50%,
    transparent 75%,
    rgba(255, 255, 255, 0.2) 75%
  );
  background-size: 20px 20px;
  animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 20px 0;
  }
}

/* Enhanced Status Components */
.status-badge {
  font-size: var(--text-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-xl);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  opacity: 0.8;
}

.status-active {
  background: linear-gradient(135deg, var(--success-green) 0%, #055a4a 100%);
  color: var(--white);
}

.status-completed {
  background: linear-gradient(135deg, var(--link-blue) 0%, #005a6b 100%);
  color: var(--white);
}

.status-paused {
  background: linear-gradient(135deg, var(--warning-orange) 0%, #8b1e02 100%);
  color: var(--white);
}

.status-cancelled {
  background: linear-gradient(135deg, #dc3545 0%, #a71e2a 100%);
  color: var(--white);
}

.status-badge:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Enhanced Callout Components */
.callout-card {
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--link-blue);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.callout-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--link-blue) 0%, var(--amazon-blue) 100%);
}

.callout-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--amazon-blue);
}

.callout-card .card-header {
  background: linear-gradient(135deg, var(--link-blue) 0%, var(--amazon-blue) 100%);
  color: var(--white);
  font-weight: 600;
  border-bottom: none;
}

.callout-card .card-body {
  position: relative;
}

.callout-card .card-body::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 4rem;
  color: var(--link-blue);
  opacity: 0.1;
  font-family: Georgia, serif;
  line-height: 1;
}

/* Enhanced Hierarchy Components */
.hierarchy-item {
  margin-left: var(--spacing-lg);
  border-left: 3px solid var(--medium-gray);
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: all var(--transition-normal);
}

.hierarchy-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--medium-gray);
  border: 3px solid var(--bg-primary);
  transition: all var(--transition-normal);
}

.hierarchy-item:hover {
  border-left-color: var(--amazon-orange);
}

.hierarchy-item:hover::before {
  background-color: var(--amazon-orange);
  transform: translateY(-50%) scale(1.2);
}

.hierarchy-root {
  margin-left: 0;
  border-left: none;
  padding-left: 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.hierarchy-root::before {
  display: none;
}

/* Enhanced Button Variants */
.btn-sm {
  font-size: var(--text-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  font-weight: 500;
}

.btn-lg {
  font-size: var(--text-lg);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
}

/* Button Groups */
.btn-group .btn {
  border-radius: 0;
  border-right: none;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-right: 1px solid;
}

.btn-group .btn.active {
  background-color: var(--amazon-orange);
  border-color: var(--amazon-orange);
  color: var(--white);
  z-index: 1;
}

/* Enhanced Loading States */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.btn-primary.btn-loading::after {
  border-top-color: var(--white);
}

.btn-outline-primary.btn-loading::after {
  border-top-color: var(--amazon-orange);
}

/* Enhanced Card Interactions */
.card-interactive {
  cursor: pointer;
  transition: all var(--transition-normal);
}

.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-interactive:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Alert Components */
.alert {
  border: none;
  border-left: 4px solid;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.alert-primary {
  background-color: rgba(255, 153, 0, 0.1);
  border-left-color: var(--amazon-orange);
  color: var(--amazon-orange);
}

.alert-success {
  background-color: rgba(6, 125, 98, 0.1);
  border-left-color: var(--success-green);
  color: var(--success-green);
}

.alert-info {
  background-color: rgba(0, 113, 133, 0.1);
  border-left-color: var(--link-blue);
  color: var(--link-blue);
}

.alert-warning {
  background-color: rgba(177, 39, 4, 0.1);
  border-left-color: var(--warning-orange);
  color: var(--warning-orange);
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.1);
  border-left-color: #dc3545;
  color: #dc3545;
}

/* Removed duplicate styles - now handled in Bootstrap Component Overrides section */

/* ========================================
   Utility Components
   ======================================== */

/* Loading States */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 17, 17, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(2px);
}

/* Message Components */
.error-message {
  background-color: #fef2f2;
  color: var(--warning-orange);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid #fecaca;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.success-message {
  background-color: #f0fdf4;
  color: var(--success-green);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid #bbf7d0;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

/* ========================================
   Metrics Dashboard Components
   ======================================== */

/* Metric Cards */
.metric-card {
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--success-green);
  background-color: var(--bg-primary);
  transition: all var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.metric-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--amazon-orange);
  font-family: var(--font-primary);
}

/* Chart Components */
.chart-container {
  position: relative;
  height: 300px;
  margin-bottom: var(--spacing-md);
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

/* Dashboard Controls */
.granularity-btn {
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
}

.granularity-btn.active {
  background-color: var(--amazon-orange);
  color: var(--white);
  border-color: var(--amazon-orange);
}

.granularity-btn:hover {
  background-color: var(--link-blue);
  color: var(--white);
  border-color: var(--link-blue);
}

/* Dashboard Statistics */
.dashboard-stats {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  border: 1px solid var(--medium-gray);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-sm);
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--amazon-orange);
  font-family: var(--font-primary);
}

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

/* Trend Indicators */
.trend-positive {
  color: var(--success-green);
}

.trend-negative {
  color: var(--warning-orange);
}

.trend-neutral {
  color: var(--text-secondary);
}

/* Dashboard Layout */
.metrics-dashboard {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.dashboard-header {
  background: linear-gradient(135deg, var(--amazon-blue) 0%, var(--amazon-light-blue) 100%);
  color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.no-metrics-message {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
  font-style: italic;
  font-size: var(--text-lg);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .modal-dialog {
    margin: var(--spacing-sm);
  }

  .chart-container {
    height: 250px;
    padding: var(--spacing-sm);
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    border-radius: var(--radius-md) !important;
    margin-bottom: var(--spacing-xs);
  }

  .dashboard-header {
    padding: var(--spacing-lg);
  }

  .stat-item {
    padding: var(--spacing-xs);
  }

  .metric-value {
    font-size: var(--text-xl);
  }

  .stat-value {
    font-size: var(--text-lg);
  }
}

/* ========================================
   Typography Enhancements with Amazon Ember
   ======================================== */

/* Base Typography Override */
body {
  font-family: var(--font-primary) !important;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Heading Typography with Amazon Ember */
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: var(--font-primary) !important;
  color: var(--text-primary);
  font-weight: 600;
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.025em;
}

h1,
.h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.05em;
}

h2,
.h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.035em;
}

h3,
.h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

h4,
.h4 {
  font-size: var(--text-lg);
  font-weight: 600;
}

h5,
.h5 {
  font-size: var(--text-base);
  font-weight: 600;
}

h6,
.h6 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Paragraph and Text Elements */
p,
.text-body {
  font-family: var(--font-primary);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

/* Link Typography */
a,
.link {
  font-family: var(--font-primary);
  color: var(--link-blue);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
}

a:hover,
a:focus,
.link:hover,
.link:focus {
  color: var(--link-hover);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

/* Bootstrap Typography Component Overrides */
.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
  font-family: var(--font-primary) !important;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.lead {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-secondary) !important;
}

.small,
small {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Code and Monospace Typography */
code,
kbd,
pre,
samp,
.font-monospace {
  font-family: var(--font-mono) !important;
}

code {
  background-color: var(--bg-tertiary);
  color: var(--amazon-orange);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
}

pre {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--amazon-orange);
  overflow-x: auto;
}

/* List Typography */
ul,
ol {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* Blockquote Typography */
blockquote {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-secondary);
  border-left: 4px solid var(--amazon-orange);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

/* Table Typography */
.table {
  font-family: var(--font-primary);
  color: var(--text-primary);
}

.table th {
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--amazon-orange);
}

.table td {
  font-weight: 400;
  color: var(--text-primary);
}

/* Form Typography */
.form-label {
  font-family: var(--font-primary) !important;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--text-sm);
}

.form-control,
.form-select,
.form-check-label {
  font-family: var(--font-primary) !important;
  color: var(--text-primary);
}

.form-text {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Button Typography */
.btn {
  font-family: var(--font-primary) !important;
  font-weight: 500;
  letter-spacing: 0.025em;
}

/* Badge Typography */
.badge {
  font-family: var(--font-primary) !important;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* Alert Typography */
.alert {
  font-family: var(--font-primary);
}

.alert-heading {
  font-weight: 600;
  color: inherit;
}

/* Breadcrumb Typography */
.breadcrumb {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
}

/* Pagination Typography */
.pagination .page-link {
  font-family: var(--font-primary);
  font-weight: 500;
}

/* Dropdown Typography */
.dropdown-item {
  font-family: var(--font-primary);
  color: var(--text-primary);
}

.dropdown-header {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-xs);
}

/* Navbar Typography */
.navbar-brand {
  font-family: var(--font-primary) !important;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.navbar-nav .nav-link {
  font-family: var(--font-primary) !important;
  font-weight: 500;
}

/* Tab Typography */
.nav-tabs .nav-link {
  font-family: var(--font-primary) !important;
  font-weight: 500;
  letter-spacing: 0.025em;
}

/* Modal Typography */
.modal-title {
  font-family: var(--font-primary) !important;
  font-weight: 600;
  letter-spacing: -0.025em;
}

/* Tooltip and Popover Typography */
.tooltip,
.popover {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
}

/* Amazon-Specific Typography Utilities */
.text-amazon-heading {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.text-amazon-body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
}

.text-amazon-caption {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

.text-amazon-mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

/* ========================================
   Enhanced Form Components with Amazon Patterns
   ======================================== */

/* Form Controls */
.form-control {
  border-radius: var(--radius-md);
  border: 2px solid var(--medium-gray);
  transition: all var(--transition-normal);
  font-family: var(--font-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-control:focus {
  border-color: var(--amazon-orange);
  box-shadow: 0 0 0 0.2rem rgba(255, 153, 0, 0.15);
  background-color: var(--white);
  outline: none;
}

.form-control:hover:not(:focus) {
  border-color: var(--link-blue);
}

.form-control::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.form-control:disabled {
  background-color: var(--bg-tertiary);
  border-color: var(--medium-gray);
  color: var(--text-secondary);
  opacity: 0.6;
}

/* Form Select */
.form-select {
  border-radius: var(--radius-md);
  border: 2px solid var(--medium-gray);
  transition: all var(--transition-normal);
  font-family: var(--font-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-select:focus {
  border-color: var(--amazon-orange);
  box-shadow: 0 0 0 0.2rem rgba(255, 153, 0, 0.15);
  outline: none;
}

.form-select:hover:not(:focus) {
  border-color: var(--link-blue);
}

/* Form Labels */
.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--text-sm);
  display: block;
}

.form-label.required::after {
  content: ' *';
  color: var(--warning-orange);
  font-weight: 700;
}

/* Form Text and Help */
.form-text {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  line-height: var(--leading-normal);
}

/* Input Groups */
.input-group {
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.input-group .form-control {
  border-radius: 0;
  border-right: none;
}

.input-group .form-control:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-right: 2px solid var(--medium-gray);
}

.input-group-text {
  background-color: var(--bg-secondary);
  border: 2px solid var(--medium-gray);
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Form Check (Checkboxes and Radios) */
.form-check {
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--medium-gray);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.form-check-input:checked {
  background-color: var(--amazon-orange);
  border-color: var(--amazon-orange);
}

.form-check-input:focus {
  border-color: var(--amazon-orange);
  box-shadow: 0 0 0 0.2rem rgba(255, 153, 0, 0.15);
}

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

/* Form Validation States */
.form-control.is-valid {
  border-color: var(--success-green);
}

.form-control.is-valid:focus {
  border-color: var(--success-green);
  box-shadow: 0 0 0 0.2rem rgba(6, 125, 98, 0.15);
}

.form-control.is-invalid {
  border-color: var(--warning-orange);
}

.form-control.is-invalid:focus {
  border-color: var(--warning-orange);
  box-shadow: 0 0 0 0.2rem rgba(177, 39, 4, 0.15);
}

.valid-feedback {
  color: var(--success-green);
  font-size: var(--text-sm);
  font-weight: 500;
}

.invalid-feedback {
  color: var(--warning-orange);
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ========================================
   Animation and Transitions
   ======================================== */

@media (prefers-reduced-motion: no-preference) {
  * {
    transition-duration: var(--transition-normal);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ========================================
   Amazon Design System Utilities
   ======================================== */

/* Spacing Utilities */
.p-amazon-xs {
  padding: var(--spacing-xs);
}
.p-amazon-sm {
  padding: var(--spacing-sm);
}
.p-amazon-md {
  padding: var(--spacing-md);
}
.p-amazon-lg {
  padding: var(--spacing-lg);
}
.p-amazon-xl {
  padding: var(--spacing-xl);
}

.m-amazon-xs {
  margin: var(--spacing-xs);
}
.m-amazon-sm {
  margin: var(--spacing-sm);
}
.m-amazon-md {
  margin: var(--spacing-md);
}
.m-amazon-lg {
  margin: var(--spacing-lg);
}
.m-amazon-xl {
  margin: var(--spacing-xl);
}

/* Color Utilities */
.text-amazon-orange {
  color: var(--amazon-orange);
}
.text-amazon-blue {
  color: var(--amazon-blue);
}
.text-amazon-light-blue {
  color: var(--amazon-light-blue);
}
.text-link-blue {
  color: var(--link-blue);
}
.text-success-green {
  color: var(--success-green);
}

.bg-amazon-orange {
  background-color: var(--amazon-orange);
}
.bg-amazon-blue {
  background-color: var(--amazon-blue);
}
.bg-amazon-light-blue {
  background-color: var(--amazon-light-blue);
}

/* Border Utilities */
.border-amazon-orange {
  border-color: var(--amazon-orange);
}
.border-amazon-blue {
  border-color: var(--amazon-blue);
}
.border-radius-amazon {
  border-radius: var(--radius-md);
}

/* Shadow Utilities */
.shadow-amazon-sm {
  box-shadow: var(--shadow-sm);
}
.shadow-amazon-md {
  box-shadow: var(--shadow-md);
}
.shadow-amazon-lg {
  box-shadow: var(--shadow-lg);
}

/* ========================================
   Enhanced Interactive Elements
   ======================================== */

/* Focus States */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  outline: 2px solid var(--amazon-orange);
  outline-offset: 2px;
}

/* Hover Effects */
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

/* Loading States */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ========================================
   Enhanced Bootstrap Components with Amazon Patterns
   ======================================== */

/* Enhanced Dropdown Components */
.dropdown-menu {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-sm) 0;
  background-color: var(--bg-primary);
  min-width: 200px;
}

.dropdown-item {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  border: none;
  background: none;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--bg-secondary);
  color: var(--amazon-orange);
  transform: translateX(4px);
}

.dropdown-item.active {
  background-color: var(--amazon-orange);
  color: var(--white);
}

.dropdown-divider {
  border-top: 1px solid var(--medium-gray);
  margin: var(--spacing-sm) 0;
}

.dropdown-header {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Enhanced List Group Components */
.list-group {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.list-group-item {
  border: none;
  border-bottom: 1px solid var(--medium-gray);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-normal);
  position: relative;
}

.list-group-item:last-child {
  border-bottom: none;
}

.list-group-item:hover {
  background-color: var(--bg-secondary);
  transform: translateX(4px);
}

.list-group-item.active {
  background-color: var(--amazon-orange);
  color: var(--white);
  border-color: var(--amazon-orange);
}

.list-group-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--link-hover);
}

/* Enhanced Pagination Components */
.pagination {
  gap: var(--spacing-xs);
}

.page-item .page-link {
  border: 2px solid var(--medium-gray);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-normal);
  margin: 0 2px;
}

.page-item .page-link:hover {
  background-color: var(--bg-secondary);
  border-color: var(--amazon-orange);
  color: var(--amazon-orange);
  transform: translateY(-1px);
}

.page-item.active .page-link {
  background-color: var(--amazon-orange);
  border-color: var(--amazon-orange);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.page-item.disabled .page-link {
  background-color: var(--bg-tertiary);
  border-color: var(--medium-gray);
  color: var(--text-secondary);
  opacity: 0.6;
}

/* Enhanced Breadcrumb Components */
.breadcrumb {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.breadcrumb-item {
  font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '›';
  color: var(--text-secondary);
  font-weight: 600;
  font-size: var(--text-lg);
}

.breadcrumb-item.active {
  color: var(--amazon-orange);
  font-weight: 600;
}

.breadcrumb-item a {
  color: var(--link-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--amazon-orange);
}

/* Enhanced Progress Components */
.progress {
  height: 12px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-tertiary);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--amazon-orange) 0%, var(--link-hover) 100%);
  border-radius: var(--radius-lg);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-bar-striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

.progress-bar-animated {
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% {
    background-position: 1rem 0;
  }
  100% {
    background-position: 0 0;
  }
}

/* Enhanced Spinner Components */
.spinner-border {
  border-color: var(--medium-gray);
  border-right-color: transparent;
}

.spinner-border.text-primary {
  border-color: var(--amazon-orange);
  border-right-color: transparent;
}

.spinner-grow {
  background-color: var(--amazon-orange);
}

/* Enhanced Toast Components */
.toast {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.toast-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--medium-gray);
  font-weight: 600;
}

.toast-body {
  padding: var(--spacing-md);
}

/* Enhanced Accordion Components */
.accordion {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-item {
  border: none;
  border-bottom: 1px solid var(--medium-gray);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  margin-bottom: 0;
}

.accordion-button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  border: none;
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.accordion-button:not(.collapsed) {
  background-color: var(--amazon-orange);
  color: var(--white);
  box-shadow: none;
}

.accordion-button:focus {
  border-color: var(--amazon-orange);
  box-shadow: 0 0 0 0.2rem rgba(255, 153, 0, 0.15);
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%)
    contrast(97%);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) saturate(100%) invert(100%);
}

.accordion-body {
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
}

/* ========================================
   Amazon-Style Components
   ======================================== */

/* Amazon-style Alert */
.alert-amazon {
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--amazon-orange);
}

.alert-amazon-info {
  border-left-color: var(--link-blue);
  background-color: #f0f8ff;
}

.alert-amazon-success {
  border-left-color: var(--success-green);
  background-color: #f0fdf4;
}

.alert-amazon-warning {
  border-left-color: var(--warning-orange);
  background-color: #fef2f2;
}

/* Amazon-style Badge */
.badge-amazon {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-amazon-primary {
  background-color: var(--amazon-orange);
  color: var(--white);
}

.badge-amazon-secondary {
  background-color: var(--amazon-light-blue);
  color: var(--white);
}

/* Amazon-style Input Group */
.input-group-amazon .form-control {
  border-right: none;
}

.input-group-amazon .input-group-text {
  background-color: var(--bg-secondary);
  border-color: var(--medium-gray);
  color: var(--text-secondary);
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .navbar,
  .btn,
  .modal,
  .loading-overlay {
    display: none !important;
  }

  .card {
    box-shadow: none !important;
    border: 1px solid var(--medium-gray) !important;
  }

  body {
    background-color: white !important;
    color: black !important;
  }
}
/* ========================================
   Sidebar Layout System
   ======================================== */

/* Main App Container */
.app-container {
  display: grid;
  grid-template-rows: 1fr;
  grid-template-areas: 'body';
  min-height: calc(100vh - 76px); /* Account for navbar height */
  background-color: var(--bg-secondary);
}

.app-body {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-areas: 'sidebar content';
  grid-area: body;
  min-height: 100%;
}

/* Sidebar Navigation */
.app-sidebar {
  grid-area: sidebar;
  background-color: var(--bg-primary);
  border-right: 1px solid var(--medium-gray);
  box-shadow: var(--shadow-md);
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: calc(100vh - 76px); /* Account for navbar height */
}

.sidebar-content {
  padding: var(--spacing-lg) 0;
}

/* Main Content Area */
.app-content {
  grid-area: content;
  background-color: var(--bg-secondary);
  overflow-y: auto;
  min-height: calc(100vh - 76px);
}

.page-container {
  padding: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Navigation Section Styles */
.nav-section {
  margin-bottom: var(--spacing-xs);
}

.nav-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-base);
}

.nav-section-header:hover {
  background-color: var(--bg-secondary);
  color: var(--amazon-orange);
}

.nav-section-header.active {
  background-color: var(--amazon-orange);
  color: var(--white);
}

.nav-section-icon {
  margin-right: var(--spacing-sm);
  font-size: var(--text-lg);
  width: 20px;
  text-align: center;
}

.nav-section-title {
  flex: 1;
  font-weight: 600;
}

.nav-section-toggle {
  font-size: var(--text-sm);
  transition: transform var(--transition-normal);
  color: inherit;
}

.nav-section.expanded .nav-section-toggle {
  transform: rotate(90deg);
}

/* Section Content */
.nav-section-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease;
  background-color: var(--bg-primary);
}

.nav-section.expanded .nav-section-content {
  max-height: 500px; /* Adjust based on content */
}

/* Page Links */
.nav-page-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) calc(var(--spacing-lg) + var(--spacing-xl));
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: var(--text-sm);
  border-left: 3px solid transparent;
  position: relative;
}

.nav-page-link:hover {
  background-color: var(--bg-secondary);
  color: var(--amazon-orange);
  border-left-color: var(--amazon-orange);
  transform: translateX(2px);
  text-decoration: none;
}

.nav-page-link.active {
  background-color: rgba(255, 153, 0, 0.1);
  color: var(--amazon-orange);
  border-left-color: var(--amazon-orange);
  font-weight: 600;
}

.nav-page-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--amazon-orange);
}

/* Page Header Styles */
.page-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--medium-gray);
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
  letter-spacing: -0.025em;
}

.page-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
  font-family: var(--font-primary);
}

/* Content Section Styles */
.content-section {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
}

.content-section:last-child {
  margin-bottom: 0;
}

/* Responsive Design for Sidebar */
@media (max-width: 992px) {
  .app-body {
    grid-template-columns: 240px 1fr;
  }

  .app-sidebar {
    width: 240px;
  }
}

@media (max-width: 768px) {
  .app-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
      'sidebar'
      'content';
  }

  .app-sidebar {
    position: relative;
    height: auto;
    max-height: 300px;
    border-right: none;
    border-bottom: 1px solid var(--medium-gray);
  }

  .app-content {
    min-height: auto;
  }

  .page-container {
    padding: var(--spacing-lg);
  }

  .page-header {
    padding: var(--spacing-lg);
  }

  .content-section {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  .app-sidebar {
    max-height: 200px;
  }

  .sidebar-content {
    padding: var(--spacing-md) 0;
  }

  .nav-section-header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
  }

  .nav-page-link {
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-xs) calc(var(--spacing-md) + var(--spacing-lg));
    font-size: var(--text-xs);
  }

  .page-container {
    padding: var(--spacing-md);
  }

  .page-title {
    font-size: var(--text-2xl);
  }

  .page-description {
    font-size: var(--text-base);
  }
}

/* Sidebar Animation States */
.nav-section-content {
  transition:
    max-height var(--transition-slow) ease,
    opacity var(--transition-normal) ease;
  opacity: 0;
}

.nav-section.expanded .nav-section-content {
  opacity: 1;
}

/* Focus and Accessibility */
.nav-section-header:focus,
.nav-page-link:focus {
  outline: 2px solid var(--amazon-orange);
  outline-offset: -2px;
}

/* Keyboard Navigation Indicators */
.nav-section-header:focus-visible,
.nav-page-link:focus-visible {
  outline: 2px solid var(--amazon-orange);
  outline-offset: 2px;
}

/* Loading State for Content */
.page-container.loading {
  opacity: 0.6;
  pointer-events: none;
}

.page-container.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  margin: -16px 0 0 -16px;
  border: 3px solid var(--medium-gray);
  border-top-color: var(--amazon-orange);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Smooth Transitions for Page Changes */
.page-transition-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
}

.page-transition-exit {
  opacity: 1;
  transform: translateY(0);
}

.page-transition-exit-active {
  opacity: 0;
  transform: translateY(-20px);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
} /* ==
======================================
   Dashboard Grid and Chart Placeholders
   ======================================== */

/* Dashboard Grid System */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.chart-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  min-height: 300px;
  border: 1px solid var(--medium-gray);
  transition: all var(--transition-normal);
}

.chart-container:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.chart-container.large {
  grid-column: span 2;
  min-height: 400px;
}

.chart-container.full-width {
  grid-column: 1 / -1;
  min-height: 500px;
}

/* Chart Placeholders */
.chart-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-secondary);
  border: 2px dashed var(--medium-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.chart-placeholder h5 {
  color: var(--amazon-orange);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.chart-placeholder p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Metric Cards */
.metric-card {
  padding: var(--spacing-lg);
  text-align: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--medium-gray);
  transition: all var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-card h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.metric-card p {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Activity Items */
.activity-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--medium-gray);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.activity-item small {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Responsive Dashboard Grid */
@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .chart-container.large,
  .chart-container.full-width {
    grid-column: 1;
    min-height: 250px;
  }

  .chart-placeholder {
    padding: var(--spacing-lg);
  }

  .metric-card {
    padding: var(--spacing-md);
  }
}

/* ========================================
   Enhanced List Group for Getting Started
   ======================================== */

.list-group-numbered {
  counter-reset: list-counter;
}

.list-group-numbered .list-group-item {
  counter-increment: list-counter;
  position: relative;
  padding-left: calc(var(--spacing-xl) + var(--spacing-lg));
}

.list-group-numbered .list-group-item::before {
  content: counter(list-counter);
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--amazon-orange);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
}

.list-group-numbered .list-group-item strong {
  color: var(--amazon-orange);
  font-weight: 600;
}

/* ========================================
   Page Transition Animations
   ======================================== */

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-container {
  animation: fadeInUp var(--transition-slow) ease;
}

.nav-section-content {
  animation: fadeInLeft var(--transition-normal) ease;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .page-container,
  .nav-section-content {
    animation: none;
  }
}
/* ========================================
   Getting Started Page Styles
   ======================================== */

/* Progress Circle */
.setup-progress {
  text-align: center;
}

.progress-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(#28a745 0deg, #e9ecef 0deg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  position: relative;
}

.progress-circle::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-primary);
}

.progress-value {
  position: relative;
  z-index: 1;
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
}

/* Checklist Container */
.checklist-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Checklist Items */
.checklist-item {
  background: var(--bg-primary);
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.checklist-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.checklist-item.completed {
  border-color: var(--success-green);
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(40, 167, 69, 0.05) 100%);
}

/* Checklist Header */
.checklist-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.checklist-header:hover {
  background-color: var(--bg-secondary);
}

.checklist-item.completed .checklist-header {
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, var(--bg-primary) 100%);
}

/* Checklist Number */
.checklist-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--amazon-orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  margin-right: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.checklist-item.completed .checklist-number {
  background-color: var(--success-green);
}

/* Checklist Content */
.checklist-content {
  flex: 1;
}

.checklist-content h5 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  font-weight: 600;
}

.checklist-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Checklist Status */
.checklist-status {
  margin-left: var(--spacing-md);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.checklist-header:hover .checklist-status {
  color: var(--amazon-orange);
}

/* Checklist Details */
.checklist-details {
  display: none;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  animation: fadeInUp var(--transition-normal) ease;
}

.checklist-details .card {
  border: none;
  background-color: var(--bg-secondary);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.checklist-details .card-body {
  padding: var(--spacing-lg);
}

/* Step Instructions */
.step-instructions {
  margin: var(--spacing-md) 0;
}

.step-instructions ol {
  padding-left: var(--spacing-lg);
}

.step-instructions li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
}

.step-instructions strong {
  color: var(--amazon-orange);
  font-weight: 600;
}

/* Step Actions */
.step-actions {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Feature Overview Cards */
.feature-overview-card {
  height: 100%;
  transition: all var(--transition-normal);
}

.feature-overview-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-overview-card .card-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-bottom: 1px solid var(--medium-gray);
}

.feature-overview-card .card-header h5 {
  margin: 0;
  font-weight: 600;
}

.feature-overview-card .card-body {
  padding: var(--spacing-lg);
}

.feature-overview-card .list-unstyled li {
  margin-bottom: var(--spacing-xs);
  font-size: var(--text-sm);
}

/* Capability Cards */
.capability-card {
  height: 100%;
  transition: all var(--transition-normal);
  border: 1px solid var(--medium-gray);
}

.capability-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--amazon-orange);
}

.capability-icon {
  text-align: center;
}

.capability-icon i {
  font-size: 2.5rem;
}

.capability-card .card-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--medium-gray);
}

/* Platform Stats */
.platform-stats {
  text-align: center;
}

.stat-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.stat-circle h2 {
  margin: 0;
  font-weight: 700;
  color: var(--white);
}

.stat-circle small {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tech Stack Items */
.tech-stack-item,
.role-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--medium-gray);
}

.tech-stack-item:last-child,
.role-item:last-child {
  border-bottom: none;
}

.tech-stack-item .badge {
  font-size: var(--text-xs);
}

/* Getting Started Steps */
.getting-started-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--amazon-orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.step-content h6 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step-content p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .checklist-header {
    padding: var(--spacing-md);
  }

  .checklist-number {
    width: 32px;
    height: 32px;
    font-size: var(--text-base);
    margin-right: var(--spacing-md);
  }

  .checklist-details {
    padding: 0 var(--spacing-md) var(--spacing-md);
  }

  .step-actions {
    flex-direction: column;
  }

  .step-actions .btn {
    width: 100%;
  }

  .progress-circle {
    width: 60px;
    height: 60px;
  }

  .progress-circle::before {
    width: 45px;
    height: 45px;
  }

  .progress-value {
    font-size: var(--text-base);
  }

  .getting-started-step {
    flex-direction: column;
    text-align: center;
  }

  .step-number {
    margin: 0 auto var(--spacing-sm);
  }
}

/* Animation for completed steps */
@keyframes checkmark {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.checklist-item.completed .checklist-number i {
  animation: checkmark 0.3s ease;
}

/* Notification styles */
.alert.position-fixed {
  z-index: 9999;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  border: none;
}

.alert-success {
  background-color: var(--success-green);
  color: var(--white);
}

.alert-info {
  background-color: var(--link-blue);
  color: var(--white);
}

.alert .btn-close {
  filter: invert(1);
}

/* ========================================
   Debug Tools and System Status Styles
   ======================================== */

/* Debug Output Containers */
.debug-output {
  max-height: 400px;
  overflow-y: auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--medium-gray);
  border-radius: 0.375rem;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.debug-output:empty::before {
  content: 'No data available';
  color: var(--text-secondary);
  font-style: italic;
}

/* Log Entries */
.log-entry {
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background-color: var(--white);
  border-radius: 0.25rem;
}

.log-entry pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Network Request Entries */
.network-entry {
  background-color: var(--white);
  transition: background-color 0.2s ease;
}

.network-entry:hover {
  background-color: var(--bg-tertiary);
}

/* Error Entries */
.error-entry {
  background-color: #fff5f5;
  border-color: #fed7d7 !important;
}

.error-entry pre {
  background-color: #fef2f2;
  font-size: 0.75rem;
  max-height: 200px;
  overflow-y: auto;
}

/* System Health Indicators */
.system-health-indicator {
  text-align: center;
}

.health-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 2rem;
  transition: all 0.3s ease;
}

.health-circle.healthy {
  background-color: var(--success-green);
  color: var(--white);
  box-shadow: 0 0 20px rgba(6, 125, 98, 0.3);
}

.health-circle.degraded {
  background-color: var(--warning-orange);
  color: var(--white);
  box-shadow: 0 0 20px rgba(177, 39, 4, 0.3);
}

.health-circle.unhealthy {
  background-color: #dc3545;
  color: var(--white);
  box-shadow: 0 0 20px rgba(220, 53, 69, 0.3);
}

.health-circle.checking {
  background-color: var(--link-blue);
  color: var(--white);
  box-shadow: 0 0 20px rgba(0, 113, 133, 0.3);
}

/* Service Status Items */
.service-item {
  transition: all 0.2s ease;
  background-color: var(--white);
}

.service-item:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.service-info {
  flex-grow: 1;
}

.service-status {
  min-width: 100px;
}

/* Performance Metrics */
.performance-metric {
  padding: 1rem;
  background-color: var(--white);
  border-radius: 0.375rem;
  border: 1px solid var(--medium-gray);
}

.performance-metric h6 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 600;
}

.performance-metric .progress {
  height: 8px;
  background-color: var(--bg-tertiary);
}

.performance-metric .progress-bar {
  transition: width 0.6s ease;
}

/* System Events */
.event-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background-color: var(--white);
  border-radius: 0.375rem;
  transition: background-color 0.2s ease;
}

.event-item:hover {
  background-color: var(--bg-tertiary);
}

.event-message {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

/* Metric Cards */
.metric-card {
  text-align: center;
  padding: 1rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.metric-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

/* API Test Specific Styles */
.response-header {
  border-bottom: 1px solid var(--medium-gray);
  padding-bottom: 0.75rem;
}

.response-headers pre,
.response-body pre {
  background-color: var(--bg-secondary);
  border: 1px solid var(--medium-gray);
  font-size: var(--text-sm);
  max-height: 300px;
  overflow-y: auto;
}

.history-item {
  background-color: var(--white);
  transition: all 0.2s ease;
}

.history-item:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.api-status-item {
  background-color: var(--white);
  transition: background-color 0.2s ease;
}

.api-status-item:hover {
  background-color: var(--bg-tertiary);
}

/* Responsive Design for Debug Tools */
@media (max-width: 768px) {
  .debug-output {
    max-height: 250px;
    font-size: 0.75rem;
  }

  .health-circle {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .metric-value {
    font-size: 1.5rem;
  }

  .service-item {
    flex-direction: column;
    align-items: flex-start !important;
  }

  .service-status {
    margin-top: 0.5rem;
    min-width: auto;
  }
}

/* Dark Mode Support for Debug Tools */
@media (prefers-color-scheme: dark) {
  .debug-output {
    background-color: #1a1a1a;
    border-color: #404040;
    color: #e0e0e0;
  }

  .log-entry,
  .network-entry,
  .service-item,
  .event-item,
  .history-item,
  .api-status-item {
    background-color: #2a2a2a;
    border-color: #404040;
  }

  .error-entry {
    background-color: #2d1b1b;
    border-color: #5a2d2d !important;
  }

  .performance-metric {
    background-color: #2a2a2a;
    border-color: #404040;
  }
}

/* Animation for Status Changes */
@keyframes statusPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.health-circle.checking {
  animation: statusPulse 2s infinite;
}

/* Utility Classes for Debug Tools */
.text-amazon-orange {
  color: var(--amazon-orange) !important;
}

.text-link-blue {
  color: var(--link-blue) !important;
}

.text-success-green {
  color: var(--success-green) !important;
}

.text-warning-orange {
  color: var(--warning-orange) !important;
}

.bg-amazon-orange {
  background-color: var(--amazon-orange) !important;
}

.bg-link-blue {
  background-color: var(--link-blue) !important;
}

.bg-success-green {
  background-color: var(--success-green) !important;
}

.bg-warning-orange {
  background-color: var(--warning-orange) !important;
}