:root {
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

[data-theme="dark"] {
  --primary-color: #3b82f6;
  --secondary-color: #94a3b8;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --border-color: #475569;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.nav-brand h1 {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.theme-toggle, .menu-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover, .menu-toggle:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 4rem 2rem;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Dashboard Overview */
.dashboard-overview {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.framework-category {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.framework-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.framework-category.strategic {
  border-left: 4px solid var(--primary-color);
}

.framework-category.marketing {
  border-left: 4px solid var(--success-color);
}

.framework-category.quality {
  border-left: 4px solid var(--accent-color);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.strategic .category-icon {
  color: var(--primary-color);
}

.marketing .category-icon {
  color: var(--success-color);
}

.quality .category-icon {
  color: var(--accent-color);
}

.framework-category h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.category-stats {
  margin: 1rem 0;
  height: 100px;
}

.explore-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  width: 100%;
}

.explore-btn:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
}

/* Interactive Dashboard */
.interactive-dashboard {
  padding: 2rem 0;
  background-color: var(--bg-primary);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.dashboard-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.framework-select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-width: 200px;
}

.ai-btn, .export-btn, .close-btn, .generate-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ai-btn {
  background-color: var(--accent-color);
  color: white;
}

.export-btn {
  background-color: var(--success-color);
  color: white;
}

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

.generate-btn {
  background-color: var(--primary-color);
  color: white;
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
}

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

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

.input-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-weight: 500;
  color: var(--text-primary);
}

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

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

.chart-container {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.metric-card {
  background-color: var(--bg-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--border-color);
}

.metric-card h4 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

.insights-content {
  background-color: var(--bg-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

/* Features Section */
.features-section {
  padding: 4rem 0;
  background-color: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
}

.feature-item i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-item h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-item p {
  color: var(--text-secondary);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats {
    gap: 1rem;
  }
  
  .framework-grid {
    grid-template-columns: 1fr;
  }
  
  .dashboard-content {
    grid-template-columns: 1fr;
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .dashboard-controls {
    justify-content: center;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .navbar {
    padding: 1rem;
  }
  
  .hero-section {
    padding: 2rem 1rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* Framework Description */
.framework-description {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  text-align: center;
}

.framework-description h4 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.framework-description p {
  opacity: 0.9;
  font-size: 0.875rem;
}

/* Range Input Styling */
.range-value {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-left: 0.5rem;
  min-width: 2rem;
  text-align: center;
}

.input-group input[type="range"] {
  width: 100%;
  margin: 0.5rem 0;
}

/* AI Insights Styling */
.ai-analysis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.confidence-badge {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.insight-section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  border-left: 4px solid;
}

.insight-section.positive {
  background-color: rgba(16, 185, 129, 0.1);
  border-left-color: #10b981;
}

.insight-section.moderate {
  background-color: rgba(245, 158, 11, 0.1);
  border-left-color: #f59e0b;
}

.insight-section.warning {
  background-color: rgba(239, 68, 68, 0.1);
  border-left-color: #ef4444;
}

.insight-section.danger {
  background-color: rgba(239, 68, 68, 0.15);
  border-left-color: #dc2626;
}

.insight-section.opportunity {
  background-color: rgba(99, 102, 241, 0.1);
  border-left-color: #6366f1;
}

.insight-section.recommendations {
  background-color: rgba(139, 92, 246, 0.1);
  border-left-color: #8b5cf6;
}

.insight-section.next-steps {
  background-color: rgba(37, 99, 235, 0.1);
  border-left-color: #2563eb;
}

.insight-section h5 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
}

.insight-section ul, .insight-section ol {
  margin-left: 1.5rem;
}

.insight-section li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

/* Export Notification */
.export-notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Mobile Navigation */
.navbar.mobile-open {
  flex-direction: column;
  align-items: stretch;
}

.navbar.mobile-open .nav-controls {
  margin-top: 1rem;
  justify-content: center;
}

/* Enhanced Button Styles */
.ai-btn:hover {
  background-color: #d97706;
  transform: translateY(-2px);
}

.export-btn:hover {
  background-color: #059669;
  transform: translateY(-2px);
}

.close-btn:hover {
  background-color: #dc2626;
  transform: translateY(-2px);
}

.generate-btn:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
}

/* Chart Container Enhancements */
.chart-container canvas {
  max-height: 100% !important;
}

/* Metric Cards Enhancement */
.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

/* Form Enhancements */
.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Improved Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .dashboard-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .chart-container {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats {
    gap: 1rem;
  }
  
  .framework-grid {
    grid-template-columns: 1fr;
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .dashboard-controls {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .insight-section {
    padding: 0.75rem;
  }
  
  .ai-analysis-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .navbar {
    padding: 1rem;
  }
  
  .hero-section {
    padding: 2rem 1rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .framework-category {
    padding: 1.5rem;
  }
  
  .chart-container {
    height: 250px;
  }
  
  .dashboard-controls {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .ai-btn, .export-btn, .close-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Print Styles */
@media print {
  .header, .footer, .dashboard-controls {
    display: none;
  }
  
  .main-content {
    margin: 0;
  }
  
  .interactive-dashboard {
    page-break-inside: avoid;
  }
  
  .chart-container {
    break-inside: avoid;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  }
  
  [data-theme="dark"] {
    --border-color: #ffffff;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
  animation: slideUp 0.3s ease-out;
}

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