/* ==============================================================================
   AI Diffusion Framework - Modern Professional Design System
   ============================================================================== */

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Brand Colors */
  --color-success: #2E7D32;
  --color-success-light: #4CAF50;
  --color-success-bg: #e8f5e9;
  --color-danger: #C62828;
  --color-danger-light: #EF5350;
  --color-danger-bg: #ffebee;
  --color-info: #1565C0;
  --color-info-light: #42A5F5;
  --color-info-bg: #e3f2fd;
  --color-warning: #F57C00;
  --color-warning-light: #FFB74D;
  --color-warning-bg: #fff3e0;
  --color-primary: #1a1a2e;
  --color-primary-light: #2d2d44;
  --color-purple: #7B1FA2;
  --color-purple-light: #AB47BC;
  --color-purple-bg: #f3e5f5;
  --color-gray: #78909C;
  --color-gray-light: #B0BEC5;
  --color-gray-bg: #eceff1;

  /* Neutrals */
  --color-text: #1a1a2e;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-bg: #ffffff;
  --color-bg-subtle: #f8fafc;
  --color-bg-muted: #f1f5f9;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ---- Base Resets ---- */
* {
  box-sizing: border-box;
}

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

/* ---- Navbar ---- */
.navbar {
  background: var(--color-primary) !important;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: white !important;
  letter-spacing: -0.02em;
}

.nav-link {
  color: rgba(255,255,255,0.75) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: white !important;
  background: rgba(255,255,255,0.1);
}

.nav-link.active {
  color: white !important;
  background: rgba(255,255,255,0.15);
}

/* ---- Toolbar ---- */
.wf-toolbar {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem 0;
}

.wf-toolbar label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* ---- Card Tabs (bslib navset_card_tab) ---- */
.bslib-card .nav-tabs .nav-link {
  color: var(--color-text-secondary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.65rem 1.25rem !important;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  transition: all var(--transition-fast);
}

.bslib-card .nav-tabs .nav-link:hover {
  color: var(--color-text) !important;
  background: var(--color-bg-subtle);
  border-color: var(--color-border) var(--color-border) transparent;
}

.bslib-card .nav-tabs .nav-link.active {
  color: var(--color-text) !important;
  font-weight: 600;
  background: var(--color-bg);
  border-color: var(--color-border) var(--color-border) var(--color-bg);
}

.bslib-card .card-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

/* ---- Hero Section ---- */
.hero-section {
  padding: 4rem 0 3.5rem;
  background: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg) 100%);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-cta .btn {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.hero-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-left: 2rem;
}

.stat-card {
  display: flex;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  color: white;
  position: relative;
  overflow: hidden;
  min-height: 100px;
  transition: all var(--transition-base);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.stat-card-success { background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%); }
.stat-card-info { background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-light) 100%); }
.stat-card-warning { background: linear-gradient(135deg, #E65100 0%, var(--color-warning) 100%); }
.stat-card-primary { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); }

.stat-card-icon {
  font-size: 1.5rem;
  opacity: 0.9;
  margin-right: 1rem;
  margin-top: 0.25rem;
}

.stat-card-content { flex: 1; position: relative; z-index: 1; }

.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  opacity: 0.9;
  font-weight: 500;
  line-height: 1.3;
}

/* ---- Key Finding Section ---- */
.key-finding-section {
  padding: 2.5rem 0;
  background: var(--color-bg);
}

.key-finding-card {
  display: flex;
  align-items: flex-start;
  padding: 2rem 2.5rem;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border-left: 5px solid #F59E0B;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.key-finding-card.economic-impact-card {
  background: linear-gradient(135deg, var(--color-success-bg) 0%, #c8e6c9 100%);
  border-left-color: var(--color-success);
}

.key-finding-icon {
  font-size: 2.5rem;
  color: var(--color-success);
  margin-right: 1.75rem;
  flex-shrink: 0;
}

.key-finding-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.key-finding-main {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.key-finding-detail {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ---- Impact Scenarios ---- */
.impact-scenarios {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(46, 125, 50, 0.2);
}

.scenario-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.scenario-card {
  background: white;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.scenario-conservative { border-top: 3px solid var(--color-gray); }
.scenario-moderate { border-top: 3px solid var(--color-info); }
.scenario-optimistic { border-top: 3px solid var(--color-success); }

.scenario-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.scenario-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.scenario-detail {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.scenario-note {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(255,255,255,0.5);
  border-radius: var(--radius-sm);
}

/* ---- Framework Section ---- */
.framework-section {
  padding: 2rem 0;
  background: var(--color-bg-subtle);
}

.framework-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.framework-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.framework-signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.signal-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.signal-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  background: var(--color-success-bg);
  color: var(--color-success);
}

.signal-content h6 {
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.signal-content p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.framework-note {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
  padding: 1rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-success);
}

/* ---- Visualization Cards ---- */
.main-viz-section,
.sector-effects-section {
  padding: 2.5rem 0;
  background: var(--color-bg-subtle);
}

.viz-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.viz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.viz-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.viz-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: block;
  margin-top: 0.25rem;
}

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

.size-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.size-hint .small-circle { font-size: 0.5rem; }
.size-hint .large-circle { font-size: 1rem; }

.viz-body {
  padding: 1rem;
}

/* ---- Legend ---- */
.viz-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 1.5rem;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.legend-item div { line-height: 1.3; }
.legend-item strong {
  font-size: 0.85rem;
  color: var(--color-text);
  display: block;
}
.legend-item span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---- Insights Card ---- */
.insights-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  border: 1px solid var(--color-border-light);
}

.insights-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-border);
}

.insight-row {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.insight-row:last-child { margin-bottom: 0; }

.insight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.85rem;
  flex-shrink: 0;
  font-size: 1rem;
}

.insight-icon-blue { background: var(--color-info-bg); color: var(--color-info); }
.insight-icon-green { background: var(--color-success-bg); color: var(--color-success); }
.insight-icon-orange { background: var(--color-warning-bg); color: var(--color-warning); }

.insight-content h6 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.insight-content p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ---- Confidence Card ---- */
.confidence-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  border: 1px solid var(--color-border-light);
}

.confidence-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.confidence-metric {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-info-bg) 0%, #bbdefb 100%);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.confidence-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-info);
  line-height: 1;
}

.confidence-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
}

.confidence-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ---- CTA Section ---- */
.cta-section {
  padding: 3.5rem 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.cta-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
}

.cta-content h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cta-content p {
  font-size: 1rem;
  opacity: 0.8;
  margin-bottom: 0;
}

.cta-content .btn {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
}

/* ---- Methodology Page ---- */
.methodology-header {
  background: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg) 100%);
  padding: 2.5rem 0 !important;
  border-bottom: 1px solid var(--color-border);
}

.methodology-header h2 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 800;
}

.methodology-header .lead {
  color: var(--color-text-secondary);
}

.methodology-nav {
  position: sticky;
  top: 1rem;
}

.methodology-nav .nav-link {
  color: var(--color-text-secondary) !important;
  padding: 0.5rem 0.75rem !important;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.methodology-nav .nav-link:hover,
.methodology-nav .nav-link.active {
  color: var(--color-success) !important;
  background: var(--color-success-bg) !important;
}

.methodology-card {
  border: none;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.methodology-card-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
}

.methodology-card-header h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-text);
}

.methodology-highlight {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-success);
  padding: 1rem;
  background: var(--color-success-bg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-success);
}

.methodology-note {
  border-radius: var(--radius-md);
}

/* Signal Cards (Methodology) */
.signal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.signal-card {
  display: flex;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
}

.signal-card-ai { border-left: 4px solid var(--color-info); }
.signal-card-port { border-left: 4px solid var(--color-purple); }
.signal-card-econ { border-left: 4px solid var(--color-success); }

.signal-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-right: 1rem;
  flex-shrink: 0;
}

.signal-card-ai .signal-card-icon { background: var(--color-info-bg); color: var(--color-info); }
.signal-card-port .signal-card-icon { background: var(--color-purple-bg); color: var(--color-purple); }
.signal-card-econ .signal-card-icon { background: var(--color-success-bg); color: var(--color-success); }

.signal-card-content h6 {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.signal-card-content p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Data Source Items */
.data-source-item {
  position: relative;
  padding-left: 0;
  margin-bottom: 1.5rem;
}

.data-source-item h5 {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.data-source-badge {
  position: relative;
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  vertical-align: middle;
  flex-shrink: 0;
}

.data-source-primary { background: var(--color-info-bg); color: var(--color-info); }
.data-source-secondary { background: var(--color-purple-bg); color: var(--color-purple); }
.data-source-tertiary { background: var(--color-success-bg); color: var(--color-success); }

.citation {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

/* Measure Cards */
.measure-card {
  padding: 1rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}

.measure-card.measure-primary {
  background: var(--color-info-bg);
  border-color: var(--color-info);
}

/* Formula Blocks */
.formula-block {
  background: var(--color-primary);
  color: #e2e8f0;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
}

/* Weight Comparison */
.weight-comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.weight-item {
  text-align: center;
  padding: 1.25rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.weight-item h6 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.weight-item p {
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Coverage Stats */
.coverage-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.coverage-stat {
  text-align: center;
  padding: 1rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
}

.coverage-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-info);
}

.coverage-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Regime Grid */
.regime-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1rem 0;
}

.regime-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.regime-card h6 {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.regime-card p {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.regime-desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.regime-hdp { background: var(--color-success-bg); border-left: 4px solid var(--color-success); }
.regime-contained { background: var(--color-danger-bg); border-left: 4px solid var(--color-danger); }
.regime-portable { background: var(--color-purple-bg); border-left: 4px solid var(--color-purple); }
.regime-constrained { background: var(--color-gray-bg); border-left: 4px solid var(--color-gray); }

.regime-hdp h6 { color: var(--color-success); }
.regime-contained h6 { color: var(--color-danger); }
.regime-portable h6 { color: var(--color-purple); }
.regime-constrained h6 { color: var(--color-gray); }

/* Regime Stats */
.regime-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.regime-stat {
  text-align: center;
  padding: 1rem;
  border-radius: var(--radius-md);
}

.regime-stat-success { background: var(--color-success-bg); }
.regime-stat-danger { background: var(--color-danger-bg); }
.regime-stat-purple { background: var(--color-purple-bg); }
.regime-stat-secondary { background: var(--color-gray-bg); }

.regime-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
}

.regime-stat-success .regime-stat-value { color: var(--color-success); }
.regime-stat-danger .regime-stat-value { color: var(--color-danger); }
.regime-stat-purple .regime-stat-value { color: var(--color-purple); }
.regime-stat-secondary .regime-stat-value { color: var(--color-gray); }

.regime-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.regime-stat-pct {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Scenario Results */
.scenario-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1rem 0;
}

.scenario-result {
  text-align: center;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
}

.scenario-result-secondary { border-top: 3px solid var(--color-gray); }
.scenario-result-primary { border-top: 3px solid var(--color-info); }
.scenario-result-success { border-top: 3px solid var(--color-success); }

.scenario-result-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.scenario-result-gain {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0.5rem 0;
}

.scenario-result-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
}

/* Limitation List */
.limitation-list {
  display: grid;
  gap: 1rem;
}

.limitation-item {
  display: flex;
  align-items: flex-start;
  padding: 1rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.limitation-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  flex-shrink: 0;
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.limitation-content h6 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.limitation-content p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Download Grid */
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.download-card {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.download-icon-wrapper {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--color-success-bg);
  color: var(--color-success);
}

.download-card h6 {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* ---- Page Header ---- */
.page-header {
  padding: 2rem 0;
  background: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-header h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-header .lead {
  color: var(--color-text-secondary);
}

/* ---- Footer ---- */
.footer-container {
  padding: 1rem 0;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

/* Ensure content pushes footer to bottom */
.bslib-page-fill {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.tab-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tab-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tab-pane.active > div:first-child {
  flex: 1;
}

/* Module wrapper should fill space */
.executive-brief,
.sector-playbooks,
.technical-appendix,
.explorer-page {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.executive-brief > div:last-child,
.sector-playbooks > .container-fluid:last-child {
  margin-top: auto;
}

/* ---- Cards General ---- */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
}

.card-header h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0;
}

/* ---- Tables ---- */
.table {
  font-size: 0.9rem;
}

.table th {
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg-subtle);
}

/* ---- Buttons ---- */
.btn {
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.btn-success:hover {
  background: var(--color-success-light);
  border-color: var(--color-success-light);
}

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .regime-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .stats-grid {
    padding-left: 0;
    margin-top: 2rem;
  }

  .hero-title { font-size: 2rem; }

  .cta-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .viz-legend { gap: 1rem; }

  .key-finding-card {
    flex-direction: column;
  }

  .key-finding-icon {
    margin-bottom: 1rem;
    margin-right: 0;
  }

  .weight-comparison { grid-template-columns: 1fr; }
  .scenario-results-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: 1fr; }
  .regime-grid { grid-template-columns: 1fr; }
  .coverage-stats-grid { grid-template-columns: 1fr; }
  .regime-stats-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .scenario-cards { grid-template-columns: 1fr; }

  .hero-section { padding: 2.5rem 0 2rem; }

  .stat-value { font-size: 1.75rem; }
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat-card,
.viz-card,
.key-finding-card,
.insights-card,
.confidence-card {
  animation: fadeIn 0.4s ease-out;
}

/* ---- Sector Insights Card ---- */
.sector-insights-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.sector-insights-card .insights-header {
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border-bottom: 1px solid var(--color-border);
}

.sector-insights-card .insights-header h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #92400e;
  margin: 0;
}

.sector-insights-card .insights-body {
  padding: 1.25rem;
}

.sector-insights-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.insight-highlight {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.insight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
}

.insight-text {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.quick-stats-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.quick-stat {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 0.75rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
}

.quick-stat-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.quick-stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  line-height: 1.2;
}

/* ---- Sector Legend ---- */
.sector-legend {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sector-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.sector-legend .legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- Action Grid (legacy) ---- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.action-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
}

.action-item i {
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.action-item h6 {
  font-weight: 700;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.action-item p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* ---- App Footer ---- */
.app-footer {
  padding: 1.5rem 0;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.95rem;
}

.footer-left a,
.footer-right a {
  color: var(--color-info);
  text-decoration: none;
}

.footer-left a:hover,
.footer-right a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ---- Utility Classes ---- */
.text-purple { color: var(--color-purple) !important; }
.bg-purple-light { background-color: var(--color-purple-bg) !important; }