/* COHESION Research — Layer 5 Styles
   Technical Model: 7 Dimensions, Decay Model, Domain Calibration, API
   All styling via classes — zero inline styles */

@import url('../tokens.css');

/* === Navigation (self-contained for sub-page) === */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(140, 155, 118, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-links a:hover { color: var(--color-text-primary); }
.nav-links a.nav-active { color: var(--color-accent); }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 110;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
  position: absolute;
  left: 0;
  transition: transform 300ms ease, opacity 300ms;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }
.hamburger.open span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu.open { display: flex; opacity: 1; pointer-events: auto; }

.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-menu a:hover { color: var(--color-text-primary); }
.mobile-menu a.nav-active { color: var(--color-accent); }

/* === Noscript === */

.noscript-fallback {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
}

/* === Page === */

.research-page {
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-data);
  min-height: 100vh;
}

.research-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* === Hero === */

.research-hero {
  padding: 7rem 0 2rem;
  text-align: center;
  border-bottom: 1px solid rgba(140, 155, 118, 0.08);
  margin-bottom: 2rem;
}

.research-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--color-text-primary);
}

.research-hero-sub {
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
  font-weight: 300;
}

.research-hero-proof {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.research-proof-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(140,155,118,0.15);
  border-radius: 100px;
  background: rgba(140,155,118,0.04);
  font-size: 0.8rem;
  transition: border-color 0.3s, background 0.3s;
}
.research-proof-item:hover {
  border-color: rgba(140,155,118,0.3);
  background: rgba(140,155,118,0.08);
}

.research-proof-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* === Tabs === */

.research-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(140, 155, 118, 0.12);
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.research-tab-btn {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-family: var(--font-data);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.research-tab-btn:hover {
  color: var(--color-text-primary);
  background: rgba(140,155,118,0.04);
}

.research-tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  background: rgba(140,155,118,0.04);
}

.research-tab-panel {
  display: none;
  padding-bottom: 2rem;
}

.research-tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Section Headers === */

.tab-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  margin: 0 0 0.4rem;
  color: var(--color-text-primary);
}

.tab-section-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem;
  line-height: 1.6;
  max-width: 700px;
}

/* ===================================================
   TAB 1: DIMENSIONS
   =================================================== */

.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.dim-card {
  background: linear-gradient(145deg, rgba(13,13,13,0.95) 0%, rgba(17,17,17,0.9) 100%);
  border-radius: var(--radius-md);
  padding: 2rem;
  border-left: 3px solid var(--dim-color, var(--color-accent));
  border: 1px solid rgba(140,155,118,0.08);
  border-left: 3px solid var(--dim-color, var(--color-accent));
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.dim-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(140,155,118,0.1);
  border-color: rgba(140,155,118,0.15);
}

.dim-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.dim-card-abbrev {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dim-color, var(--color-accent));
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(140, 155, 118, 0.06);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.dim-card-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.dim-card-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.dim-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.dim-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.dim-stat-label {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

.dim-stat-decay { color: var(--color-danger); }

.dim-stat-projection { font-size: 1.5rem; }

.zone-text-healthy { color: var(--zone-healthy); }
.zone-text-declining { color: var(--zone-declining); }
.zone-text-critical { color: var(--zone-critical); }
.zone-text-dependent { color: var(--zone-dependent); }

.dim-card-sparkline { margin-bottom: 1rem; }

.dim-sparkline-canvas {
  width: 100%;
  max-width: 240px;
  height: 50px;
  display: block;
}

.dim-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin: 0 0 0.75rem;
}

.dim-card-why {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  font-style: italic;
  line-height: 1.5;
  margin: 0 0 1rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--dim-color, var(--color-accent));
}

.dim-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Expandable details */
.dim-card-details {
  overflow: hidden;
  max-height: 500px;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 1;
}
.dim-card-details.collapsed {
  max-height: 0;
  opacity: 0;
}
.dim-card-toggle {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.25rem 0;
  transition: color 0.2s;
  font-family: inherit;
}
.dim-card-toggle:hover {
  color: var(--color-text-primary);
}

.dim-meta-label {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Weight Chart — no card wrapper */
.weight-chart-wrap {
  margin-bottom: 2rem;
}

.weight-chart-wrap canvas {
  width: 100%;
  display: block;
}

/* JIS Calculator */
.jis-calculator-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.jis-calc-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.3rem;
  color: var(--color-text-primary);
}

.jis-calc-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0 0 1rem;
}

.jis-score-display {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.jis-score-label {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.jis-score-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.jis-score-zone {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.jis-score-zone.zone-healthy { color: var(--zone-healthy); background: rgba(107, 158, 91, 0.1); }
.jis-score-zone.zone-declining { color: var(--zone-declining); background: rgba(212, 168, 67, 0.1); }
.jis-score-zone.zone-critical { color: var(--zone-critical); background: rgba(196, 91, 74, 0.1); }
.jis-score-zone.zone-dependent { color: var(--zone-dependent); background: rgba(139, 58, 58, 0.1); }

.jis-sliders { display: flex; flex-direction: column; gap: 0.4rem; }

.jis-slider-row {
  display: grid;
  grid-template-columns: 44px 36px 1fr 36px;
  gap: 0.75rem;
  align-items: center;
}

.jis-slider-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.jis-slider-weight {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
}

.jis-slider {
  width: 100%;
  height: 3px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.jis-slider::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid var(--color-bg);
}

.jis-slider::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid var(--color-bg);
}

.jis-slider-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: right;
}

/* ===================================================
   TAB 2: DECAY MODEL
   =================================================== */

/* Chart — no card, just the canvas */
.decay-chart-wrap {
  margin-bottom: 2rem;
}

.decay-chart-wrap canvas {
  width: 100%;
  display: block;
}

/* Formula — subtle background, no heavy border */
.formula-block {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.formula-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.formula-math {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-text-primary);
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.formula-var {
  color: var(--color-accent);
  font-style: italic;
}

.formula-sub {
  font-size: 0.75em;
  vertical-align: sub;
  color: var(--color-accent);
}

.formula-params {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.formula-param {
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.formula-param-var {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-primary);
  min-width: 190px;
  flex-shrink: 0;
}

.formula-param-desc {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.formula-basis {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
  line-height: 1.5;
}

/* Parameters Table — no card wrap */
.params-table-wrap {
  margin-bottom: 2rem;
  overflow-x: auto;
}

.research-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.research-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(140, 155, 118, 0.12);
}

.research-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.research-table tbody tr:hover {
  background: rgba(140, 155, 118, 0.03);
}

.table-dim-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.score-cell {
  font-family: var(--font-mono);
  font-weight: 600;
}

.score-cell.zone-healthy { color: var(--zone-healthy); }
.score-cell.zone-declining { color: var(--zone-declining); }
.score-cell.zone-critical { color: var(--zone-critical); }
.score-cell.zone-dependent { color: var(--zone-dependent); }

.table-citation {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Modulating Factors — left-border accent, no card boxes */
.factors-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin: 2rem 0 0.5rem;
  color: var(--color-text-primary);
}

.factors-grid {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.factor-card {
  padding: 0.75rem 1rem;
  border-left: 3px solid transparent;
  border-radius: 0;
  background: none;
}

.factor-accelerate { border-left-color: var(--color-danger); }
.factor-decelerate { border-left-color: var(--color-success); }

.factor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.factor-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-primary);
}

.factor-direction {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.factor-accelerate .factor-direction {
  color: var(--color-danger);
  background: rgba(196, 91, 74, 0.1);
}

.factor-decelerate .factor-direction {
  color: var(--color-success);
  background: rgba(107, 158, 91, 0.1);
}

.factor-effect {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.2rem;
  line-height: 1.5;
}

.factor-citation {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
}

/* Adaptive Difficulty — compact, no card overload */
.adaptive-patterns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.adaptive-pattern-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.adaptive-pattern-header {
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(140, 155, 118, 0.08);
}

.adaptive-pattern-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.adaptive-pattern-section { margin-bottom: 0.6rem; }

.adaptive-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.15rem;
}

.adaptive-text {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.adaptive-citation {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
}

.adaptive-basis-section {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-accent);
  margin-bottom: 2rem;
}

.adaptive-basis-title {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.adaptive-basis-item {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0 0 0.3rem;
  padding-left: 1rem;
  position: relative;
}

.adaptive-basis-item::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ===================================================
   TAB 3: DOMAIN CALIBRATION
   =================================================== */

.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.domain-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border-left: 3px solid var(--domain-color, var(--color-accent));
}

.domain-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.domain-card-icon { font-size: 1.1rem; }

.domain-card-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text-primary);
  flex: 1;
}

.domain-card-risk {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.domain-card-risk.risk-fatal {
  color: var(--color-danger);
  background: rgba(196, 91, 74, 0.1);
}

.domain-card-risk.risk-critical,
.domain-card-risk.risk-criticalcivilrights {
  color: var(--color-warning);
  background: rgba(212, 168, 67, 0.1);
}

.domain-card-risk.risk-variablelowcritical {
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.domain-section {
  margin-bottom: 0.6rem;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.domain-section-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.domain-adj {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  margin-bottom: 0.2rem;
}

.domain-adj-dim {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-text-primary);
  min-width: 36px;
}

.domain-adj-mult {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-accent);
  min-width: 36px;
}

.domain-adj-reason {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.domain-reg-list,
.domain-lit-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.domain-reg-item,
.domain-lit-item {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 0.15rem 0;
  padding-left: 0.8rem;
  position: relative;
}

.domain-reg-item::before,
.domain-lit-item::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.domain-confrontation {
  margin-top: 0.6rem;
  padding: 0.75rem;
  background: rgba(196, 91, 74, 0.04);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-danger);
}

.domain-confrontation p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-text-primary);
  font-style: italic;
  line-height: 1.45;
}

/* Domain chart — no card wrapper */
.domain-chart-wrap {
  margin-bottom: 1rem;
}

.domain-chart-wrap canvas {
  width: 100%;
  display: block;
}

/* ===================================================
   TAB 4: API REFERENCE
   =================================================== */

.api-section { margin-bottom: 2rem; }

.api-section-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem;
}

.api-schema-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.api-schema-header {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  padding: 0.6rem 1rem;
  background: rgba(140, 155, 118, 0.05);
  border-bottom: 1px solid rgba(140, 155, 118, 0.08);
}

.api-schema-fields { padding: 0.3rem 1rem; }

.schema-field {
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.schema-field:last-child { border-bottom: none; }

.schema-field-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.15rem;
}

.schema-field-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--field-accent, var(--color-text-primary));
}

.schema-field-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-text-muted);
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 2px;
}

.schema-field-desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

.schema-field-example {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* Endpoints table */
.api-table {
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.api-method {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 2px;
}

.api-method-post { color: var(--color-success); background: rgba(107, 158, 91, 0.1); }
.api-method-get { color: var(--color-accent); background: rgba(140, 155, 118, 0.1); }

.api-path {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-primary);
}

.api-status {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
}

.api-rate-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.api-rate-endpoint {
  font-size: 0.85rem;
  color: var(--color-text-primary);
}

.api-rate-limit {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-accent);
}

.api-cta {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.api-cta-text {
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.api-cta-link {
  display: inline-block;
  padding: 0.4rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background var(--transition-fast);
}

.api-cta-link:hover { background: var(--color-accent-hover); }

/* ===================================================
   SOURCES — compact, not a card grid
   =================================================== */

.research-sources-section {
  padding-top: 2rem;
  border-top: 1px solid rgba(140, 155, 118, 0.08);
  margin-top: 1rem;
}

.research-sources-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text-primary);
  margin: 0 0 1.25rem;
}

.research-sources-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.source-group {
  border-left: 2px solid var(--group-color, var(--color-accent));
  padding-left: 1.25rem;
}

.source-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.source-group-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--group-color, var(--color-accent));
}

.source-group-count {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.source-group-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.6rem;
}

.source-card {
  padding: 0.6rem 0.75rem;
  background: rgba(255, 255, 255, 0.015);
  border-radius: var(--radius-sm);
}

.source-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.15rem;
}

.source-authors {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-text-primary);
}

.source-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--group-color, var(--color-accent));
  font-weight: 700;
}

.source-title {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: 0.1rem;
  line-height: 1.35;
}

.source-journal {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.source-used-for {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* Compact sources (collapsible) */
.sources-summary {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}
.sources-toggle-btn {
  background: none;
  border: 1px solid rgba(140,155,118,0.2);
  border-radius: 100px;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, border-color 0.2s;
  margin-bottom: 1rem;
}
.sources-toggle-btn:hover {
  background: rgba(140,155,118,0.08);
  border-color: rgba(140,155,118,0.35);
}
.sources-body {
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.5s ease, opacity 0.3s ease;
  opacity: 1;
}
.sources-body.collapsed {
  max-height: 0;
  opacity: 0;
}
.source-group-compact {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.source-line {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.source-line .source-authors {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--color-text-primary);
}
.source-title-inline {
  font-style: italic;
  color: var(--color-text-secondary);
}
.source-journal-inline {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.source-used-label {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===================================================
   RESPONSIVE
   =================================================== */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .mobile-menu { display: flex; }

  .research-container { padding: 0 1rem; }
  .research-hero { padding: 5.5rem 0 1.5rem; }

  .research-tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }

  .dimensions-grid { grid-template-columns: 1fr; }
  .domains-grid { grid-template-columns: 1fr; }

  .adaptive-patterns-grid { grid-template-columns: 1fr; }

  .jis-slider-row {
    grid-template-columns: 40px 32px 1fr 32px;
    gap: 0.5rem;
  }

  .formula-param {
    flex-direction: column;
    gap: 0.15rem;
  }

  .formula-param-var { min-width: auto; }

  .research-table { font-size: 0.75rem; }
  .research-table th,
  .research-table td { padding: 0.3rem 0.5rem; }

  .source-group-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .research-hero-proof {
    flex-direction: column;
    align-items: center;
  }

  .research-proof-dot { display: none; }
  .dim-card-stats { flex-direction: column; gap: 0.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .dim-card,
  .source-card { transition: none; }
}