/* ==========================================================================
   IGNISNODE — AEROSPACE RESEARCH INTELLIGENCE DESIGN SYSTEM
   NASA Space Apps 2026: Flame in Freefall
   Architecture: Modular Token Architecture (CSS Custom Properties)
   ========================================================================== */

:root {
  /* Surfaces */
  --color-bg-primary: #0B1120;
  --color-bg-secondary: #111A2B;
  --color-bg-elevated: #172338;
  --color-bg-interactive: #1D2B42;

  /* Borders */
  --color-border-subtle: #26364D;
  --color-border-strong: #3A506B;

  /* Text */
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #A8B6C8;
  --color-text-muted: #71839A;

  /* Accents */
  --color-accent: #38BDF8;
  --color-accent-strong: #0EA5E9;
  --color-accent-soft: #123B56;
  --color-ai: #A78BFA;
  --color-amber: #F5B942;

  /* Semantics */
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-danger: #F87171;
  --color-info: #60A5FA;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 9px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Spacing Scale (4px-based) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* --------------------------------------------------------------------------
   Base & Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}

/* Accessibility Focus Rings */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Typography Utility */
.font-mono {
  font-family: var(--font-mono);
}

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

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

/* Lucide Icon Alignment */
[data-lucide] {
  width: 1.15rem;
  height: 1.15rem;
  display: inline-block;
  vertical-align: middle;
  stroke-width: 2px;
}

/* --------------------------------------------------------------------------
   Top Critical Boundary Banner (Scientific Guardrail Notice)
   -------------------------------------------------------------------------- */
.safety-banner {
  background-color: #171513;
  border-bottom: 1px solid rgba(245, 185, 66, 0.25);
  border-left: 4px solid var(--color-amber);
  padding: var(--space-2) var(--space-6);
}

.banner-content {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.banner-icon-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber);
  flex-shrink: 0;
}

.banner-text {
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

.banner-label {
  color: var(--color-amber);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-right: var(--space-1);
}

.banner-text em {
  font-style: normal;
  color: var(--color-text-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Navigation / Mission-Control Header
   -------------------------------------------------------------------------- */
.top-nav {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-3) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-bg-interactive);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  flex-shrink: 0;
}

.brand-details {
  display: flex;
  flex-direction: column;
}

.brand-title-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.brand-edition {
  font-size: 0.72rem;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.badge-status {
  background-color: var(--color-bg-interactive);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-warning);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
}

.badge-accent {
  background-color: var(--color-accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Dashboard Layout Grid (Two-Column Desktop Workspace)
   -------------------------------------------------------------------------- */
.dashboard-grid {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-6);
  flex: 1;
}

/* Control Rail */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Main Content Workspace */
.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Card Primitive
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title-icon {
  color: var(--color-accent);
}

.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   Atmospheric Profiles & Sliders
   -------------------------------------------------------------------------- */
.env-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.env-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  width: 100%;
}

.env-btn:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.env-btn.active {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.env-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-secondary);
  color: var(--color-accent);
  flex-shrink: 0;
}

.env-btn.active .env-icon {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.env-info strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
}

.env-info small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.env-btn.active .env-info small {
  color: var(--color-text-secondary);
}

/* Custom Atmosphere Sliders Panel */
.custom-atmosphere-panel {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.custom-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.custom-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.custom-status {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-interactive);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-accent);
}

.slider-control {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

.slider-label-row label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.slider-display {
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.82rem;
}

/* Slider Input Styling */
.atmosphere-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-bg-interactive);
  outline: none;
  margin: 6px 0;
  cursor: pointer;
}

.atmosphere-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.atmosphere-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-primary);
  cursor: pointer;
}

.slider-benchmarks {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

.slider-benchmarks .mark-active {
  color: var(--color-accent);
  font-weight: 600;
}

/* Target Atmosphere Readout */
.env-details {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.param-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.param-label {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Buttons & Quick Actions
   -------------------------------------------------------------------------- */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #07101E;
  font-weight: 600;
}

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

.btn-secondary {
  background-color: var(--color-bg-elevated);
  border-color: var(--color-border-subtle);
  color: var(--color-text-secondary);
  justify-content: flex-start;
  width: 100%;
}

.btn-secondary:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

/* Verified Inquiries Chips */
.query-chips {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  width: 100%;
}

.chip:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.chip-guardrail {
  border-color: rgba(245, 185, 66, 0.4);
  color: var(--color-amber);
}

.chip-guardrail:hover {
  border-color: var(--color-amber);
  background-color: rgba(245, 185, 66, 0.1);
  color: var(--color-amber);
}

/* --------------------------------------------------------------------------
   Search & Query Bar
   -------------------------------------------------------------------------- */
.query-card {
  padding: var(--space-4);
}

.search-form {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.search-input-icon {
  position: absolute;
  left: 12px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-form input[type="text"] {
  width: 100%;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px 10px 38px;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.search-form input[type="text"]:focus {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-accent);
  outline: none;
}

.search-buttons-group {
  display: flex;
  gap: var(--space-2);
}

.search-filter-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 0 0 190px;
  min-width: 0;
}

.search-filter-row label {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

#ask-psi-filter {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

#ask-psi-filter:focus {
  border-color: var(--color-accent);
  outline: none;
}

/* --------------------------------------------------------------------------
   Workspace Tabs
   -------------------------------------------------------------------------- */
.tabs-nav {
  border-bottom: 1px solid var(--color-border-subtle);
}

.tabs {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--space-3) var(--space-4);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-text-secondary);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* --------------------------------------------------------------------------
   Tab 1: Grounded Synthesis
   -------------------------------------------------------------------------- */
.result-card {
  padding: var(--space-6);
  border-left: 3px solid var(--color-accent);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: var(--space-3);
}

.result-status-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.status-indicator {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.status-ready {
  background-color: var(--color-bg-interactive);
  color: var(--color-accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.status-success {
  background-color: rgba(52, 211, 153, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.status-warning {
  background-color: rgba(248, 113, 113, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.ai-badge {
  font-size: 0.72rem;
  color: var(--color-ai);
  background-color: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

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

.result-body {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  min-height: 120px;
}

.result-body p {
  margin-bottom: var(--space-3);
}

.result-body p:last-child {
  margin-bottom: 0;
}

.placeholder-text {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Guardrail Notice Box */
.guardrail-notice {
  background-color: #241416;
  border: 1px solid rgba(248, 113, 113, 0.4);
  border-left: 4px solid var(--color-danger);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  color: #FECACA;
  font-size: 0.88rem;
  line-height: 1.5;
}

.guardrail-notice strong {
  color: #FFFFFF;
}

/* Citations Section */
.citation-section {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.citation-header-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.citation-header-icon {
  color: var(--color-accent);
}

.citation-header {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
}

.citation-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.citation-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all 0.15s ease;
}

.citation-pill:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.citation-pill:hover .pill-doi {
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Tab 2: Flammability Envelope Chart & Rankings Table
   -------------------------------------------------------------------------- */
.chart-card {
  gap: var(--space-4);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.chart-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.chart-legend-custom {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.legend-pill {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.legend-prevention {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.legend-suppression {
  border-color: var(--color-amber);
  color: var(--color-amber);
  background-color: rgba(245, 185, 66, 0.15);
}

.legend-detection {
  border-color: var(--color-success);
  color: var(--color-success);
  background-color: rgba(52, 211, 153, 0.15);
}

.legend-fundamental {
  border-color: var(--color-ai);
  color: var(--color-ai);
  background-color: rgba(167, 139, 250, 0.15);
}

.chart-wrapper {
  position: relative;
  min-height: 280px;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

/* Offline Fallback Chart */
.chart-fallback-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
}

.fallback-bar-row {
  display: grid;
  grid-template-columns: 140px 1fr 90px;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.fallback-track {
  position: relative;
  height: 12px;
  background-color: var(--color-bg-interactive);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.fallback-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: var(--radius-sm);
}

.fallback-target-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
}

/* Rankings Table */
.table-header-group {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.filter-pills {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.filter-pill {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  background-color: var(--color-bg-interactive);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.filter-pill.active {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.data-table th {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-strong);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: rgba(29, 43, 66, 0.4);
}

.score-badge {
  display: inline-block;
  padding: 2px 7px;
  background-color: var(--color-bg-interactive);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.pillar-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: capitalize;
}

.pillar-prevention {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.pillar-suppression {
  background-color: rgba(245, 185, 66, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(245, 185, 66, 0.3);
}

.pillar-detection {
  background-color: rgba(52, 211, 153, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.pillar-fundamental {
  background-color: rgba(167, 139, 250, 0.15);
  color: var(--color-ai);
  border: 1px solid rgba(167, 139, 250, 0.3);
}

.why-it-ranks-cell {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  max-width: 280px;
}

/* --------------------------------------------------------------------------
   Tab 3: Comparison View
   -------------------------------------------------------------------------- */
.compare-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.compare-switchers {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.compare-switchers-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.compare-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.compare-card h3 {
  font-size: 1rem;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
}

.compare-card p {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

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

.synthesis-box {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Tab 4: Investigation Cards (10 Structured Cards)
   -------------------------------------------------------------------------- */
.cards-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
}

.psi-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 0.15s ease;
}

.psi-card:hover {
  border-color: var(--color-border-strong);
}

.psi-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.psi-title-group h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.psi-platform {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: block;
}

.psi-objective {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.psi-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-item strong {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.spec-item span {
  font-size: 0.76rem;
  color: var(--color-text-primary);
}

.psi-findings-list {
  padding-left: var(--space-4);
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.psi-findings-list li {
  margin-bottom: 4px;
}

.psi-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-3);
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   Tab 5: Raw Retrieved Chunks
   -------------------------------------------------------------------------- */
.chunk-results {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chunk-item {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chunk-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: var(--space-2);
}

.chunk-text {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-6);
  margin-top: auto;
}

.footer-content {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints (1440px, 1280px, 1024px, 768px, 390px, 360px)
   -------------------------------------------------------------------------- */
@media (max-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: 310px 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
  }
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .sidebar-panel > section:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .top-nav {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4);
  }

  .nav-meta {
    width: 100%;
    justify-content: flex-start;
  }

  .sidebar-panel {
    display: flex;
    flex-direction: column;
  }

  .search-form {
    flex-direction: column;
    align-items: stretch;
  }

  .search-filter-row {
    width: 100%;
    flex: none;
  }

  .search-buttons-group {
    width: 100%;
  }

  .search-buttons-group .btn {
    flex: 1;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .table-header-group,
  .cards-header-bar,
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 390px) {
  html {
    font-size: 13px;
  }

  .dashboard-grid {
    padding: var(--space-3);
  }

  .card {
    padding: var(--space-3);
  }

  .slider-benchmarks {
    font-size: 0.62rem;
  }
}

@media (max-width: 360px) {
  .brand-title {
    font-size: 1.1rem;
  }

  .brand-subtitle {
    display: none;
  }

  .badge {
    font-size: 0.68rem;
    padding: 3px 6px;
  }
}

/* --------------------------------------------------------------------------
   Accessibility: Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   Print & A4 Engineering Safety Brief Export
   -------------------------------------------------------------------------- */
@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 15mm;
  }

  *, *::before, *::after {
    background: transparent !important;
    color: #111827 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  html, body {
    background-color: #FFFFFF !important;
    color: #111827 !important;
    font-size: 11pt !important;
    line-height: 1.4 !important;
  }

  /* Hide interactive controls, side rail, search bar, buttons, and navigation tabs */
  .sidebar-panel,
  .query-card,
  .tabs-nav,
  .footer,
  .btn,
  .filter-pills,
  .chart-legend-custom,
  .compare-switchers,
  #demo-mode-badge,
  .brand-edition {
    display: none !important;
  }

  /* Mission Header */
  .top-nav {
    background: #FFFFFF !important;
    border-bottom: 2pt solid #111827 !important;
    padding: 0 0 8pt 0 !important;
    margin-bottom: 12pt !important;
  }

  .brand-logo {
    border: 1.5pt solid #111827 !important;
    color: #111827 !important;
    background: #FFFFFF !important;
  }

  .brand-title {
    color: #111827 !important;
    font-size: 18pt !important;
  }

  .brand-subtitle {
    color: #4B5563 !important;
    font-size: 9pt !important;
  }

  /* Safety Banner: crisp boxed alert */
  .safety-banner {
    background: #F9FAFB !important;
    border: 1pt solid #D1D5DB !important;
    border-left: 4pt solid #D97706 !important;
    padding: 6pt 10pt !important;
    margin-bottom: 12pt !important;
  }

  .banner-text {
    color: #1F2937 !important;
    font-size: 8.5pt !important;
  }

  .banner-label {
    color: #B45309 !important;
    font-weight: 700 !important;
  }

  /* Expand main workspace across full printable page */
  .dashboard-grid {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .main-content {
    display: block !important;
  }

  /* Cards in print */
  .card {
    background: #FFFFFF !important;
    border: 1pt solid #D1D5DB !important;
    border-radius: 4pt !important;
    padding: 10pt !important;
    margin-bottom: 12pt !important;
    break-inside: avoid;
  }

  .section-title {
    color: #111827 !important;
    font-size: 12pt !important;
    font-weight: 700 !important;
    border-bottom: 1pt solid #E5E7EB;
    padding-bottom: 4pt;
    margin-bottom: 6pt;
  }

  /* Tables */
  .table-responsive {
    overflow: visible !important;
  }

  .data-table {
    width: 100% !important;
    border-collapse: collapse !important;
    font-size: 8.5pt !important;
  }

  .data-table th {
    background-color: #F3F4F6 !important;
    color: #111827 !important;
    border: 1pt solid #D1D5DB !important;
    padding: 4pt 6pt !important;
    font-weight: 700 !important;
  }

  .data-table td {
    border: 1pt solid #E5E7EB !important;
    padding: 4pt 6pt !important;
    color: #1F2937 !important;
  }

  .score-badge,
  .pillar-badge {
    border: 1pt solid #D1D5DB !important;
    background: #F9FAFB !important;
    color: #111827 !important;
    font-size: 7.5pt !important;
    padding: 1pt 4pt !important;
  }

  /* Citations & DOIs */
  .citation-pill {
    border: 1pt solid #D1D5DB !important;
    background: #F9FAFB !important;
    color: #1D4ED8 !important;
    font-size: 8pt !important;
    padding: 2pt 6pt !important;
    text-decoration: underline !important;
  }

  .highlight-cyan {
    color: #0369A1 !important;
    font-weight: 600 !important;
  }

  .text-muted {
    color: #6B7280 !important;
  }

  /* Show active tab or cards cleanly */
  .tab-content {
    display: block !important;
    margin-bottom: 14pt !important;
  }

  /* Avoid unwanted page breaks inside items */
  tr, .psi-card, .chunk-item, .compare-card {
    break-inside: avoid !important;
    page-break-inside: avoid !important;
  }
}