/**
 * Development work by David Lane
 */
:root {
  --sl-bg: #0f1218;
  --sl-surface: #171b24;
  --sl-surface-2: #1e2430;
  --sl-text: #ece8df;
  --sl-muted: #9a958a;
  --sl-accent: #8eb4d9;
  --sl-accent-warm: #c4a574;
  --sl-border: rgba(236, 232, 223, 0.1);
  --sl-serif: Georgia, 'Times New Roman', serif;
  --sl-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

body.lane-scientific-page {
  background: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(80, 120, 180, 0.12), transparent 55%),
    var(--sl-bg);
  color: var(--sl-text);
  font-family: var(--sl-sans);
  -webkit-font-smoothing: antialiased;
}

.sl-wrap {
  max-width: 46rem;
  margin: 0 auto 4rem;
  padding: 2rem 1.25rem 0;
}

.sl-crumb {
  font-size: 0.8125rem;
  margin: 0 0 1rem;
}

.sl-crumb a {
  color: var(--sl-muted);
  text-decoration: none;
}

.sl-crumb a:hover {
  color: var(--sl-accent-warm);
}

.sl-kicker {
  color: var(--sl-accent-warm);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
}

.sl-title {
  font-family: var(--sl-serif);
  font-weight: 400;
  font-size: clamp(1.85rem, 4.5vw, 2.5rem);
  line-height: 1.12;
  margin: 0 0 0.75rem;
}

.sl-subtitle {
  color: var(--sl-muted);
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0 0 1rem;
}

.sl-era {
  font-size: 0.875rem;
  color: var(--sl-accent);
  margin: 0 0 1.25rem;
}

.sl-panel--film {
  border-color: rgba(142, 180, 217, 0.28);
  background: linear-gradient(165deg, rgba(23, 27, 36, 0.98) 0%, rgba(15, 18, 24, 0.98) 100%);
}

.sl-film-meta {
  font-size: 0.8125rem;
  color: var(--sl-muted);
  margin: 0 0 1rem;
}

.sl-film-wrap {
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--sl-border);
  background: #000;
  margin-bottom: 0.75rem;
}

.sl-film-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.sl-film-fullscreen-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(142, 180, 217, 0.45);
  background: rgba(142, 180, 217, 0.08);
  color: var(--sl-accent);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.sl-film-fullscreen-btn:hover {
  background: rgba(142, 180, 217, 0.16);
  color: #dceaf8;
}

.sl-story-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.sl-story-dialog {
  width: min(100%, 960px);
  background: var(--sl-surface);
  border: 1px solid var(--sl-border);
  border-radius: 0.75rem;
  overflow: hidden;
}

.sl-story-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--sl-border);
  font-weight: 600;
  font-size: 0.9375rem;
}

.sl-story-body {
  padding: 0.75rem;
}

.sl-story-video {
  display: block;
  width: 100%;
  max-height: 75vh;
  background: #000;
  border-radius: 0.35rem;
}

.sl-portrait {
  border: 1px solid var(--sl-border);
  border-radius: 0.5rem;
  overflow: hidden;
  margin: 0 0 1.5rem;
  background: var(--sl-surface);
}

.sl-portrait img {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  object-position: top center;
}

.sl-portrait figcaption {
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--sl-muted);
  border-top: 1px solid var(--sl-border);
}

.sl-panel {
  background: var(--sl-surface);
  border: 1px solid var(--sl-border);
  border-radius: 0.5rem;
  padding: 1.15rem 1.25rem;
  margin-bottom: 1.25rem;
}

.sl-panel h2 {
  font-family: var(--sl-serif);
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0 0 0.65rem;
}

.sl-panel h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 1rem 0 0.35rem;
}

.sl-evidence-note {
  font-size: 0.8125rem;
  color: var(--sl-muted);
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--sl-accent-warm);
  background: rgba(196, 165, 116, 0.08);
}

.sl-kinship-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sl-kinship-steps li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--sl-border);
  font-size: 0.9rem;
}

.sl-kinship-steps li:last-child {
  border-bottom: none;
}

.sl-kinship-steps li.is-highlight {
  background: rgba(142, 180, 217, 0.08);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: 0.25rem;
}

.sl-step-rel {
  color: var(--sl-muted);
  flex: 0 0 100%;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sl-step-name a {
  color: var(--sl-accent);
  text-decoration: none;
  font-weight: 500;
}

.sl-step-name a:hover {
  text-decoration: underline;
}

.sl-homer-entry {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--sl-border);
}

.sl-homer-entry:last-child {
  border-bottom: none;
}

.sl-homer-role {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sl-accent-warm);
}

.sl-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--sl-border);
  margin-left: 0.35rem;
}

.sl-timeline li {
  position: relative;
  padding: 0 0 1rem 1.1rem;
}

.sl-timeline li::before {
  content: '';
  position: absolute;
  left: -0.45rem;
  top: 0.35rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--sl-accent);
}

.sl-tl-year {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sl-accent);
}

.sl-tl-title {
  font-weight: 600;
  margin: 0.15rem 0;
}

.sl-tl-body {
  font-size: 0.875rem;
  color: var(--sl-muted);
  margin: 0;
}

.sl-tier-badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 0.2rem;
  margin-bottom: 0.35rem;
}

.sl-tier-badge--evidence {
  background: rgba(196, 165, 116, 0.2);
  color: var(--sl-accent-warm);
}

.sl-tier-badge--context {
  background: rgba(142, 180, 217, 0.15);
  color: var(--sl-accent);
}

.sl-links a {
  display: inline-block;
  font-size: 0.8125rem;
  margin-right: 0.75rem;
  margin-top: 0.35rem;
  color: var(--sl-accent);
}

.sl-cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.sl-cta-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.8125rem;
  border: 1px solid var(--sl-border);
  border-radius: 0.35rem;
  color: var(--sl-text);
  text-decoration: none;
  background: var(--sl-surface-2);
}

.sl-cta-btn:hover {
  border-color: var(--sl-accent);
  color: var(--sl-accent);
}

.sl-places-map {
  height: 380px;
  border: 1px solid var(--sl-border);
  border-radius: 0.4rem;
  margin: 0.75rem 0;
  background: var(--sl-surface-2);
}

.sl-places-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.75rem;
  color: var(--sl-muted);
}

.sl-place-dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  border: 1px solid rgba(13, 16, 22, 0.8);
  margin-right: 0.3rem;
  vertical-align: baseline;
}

.sl-place-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.sl-place-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--sl-border);
  border-radius: 1rem;
  background: var(--sl-surface-2);
  color: var(--sl-text);
  cursor: pointer;
}

.sl-place-chip:hover {
  border-color: var(--sl-accent);
  color: var(--sl-accent);
}

.sl-place-chip.is-highlight {
  border-color: var(--sl-accent-warm);
}

.sl-place-years {
  font-size: 0.68rem;
  color: var(--sl-muted);
}

.sl-caution {
  font-size: 0.8125rem;
  color: var(--sl-muted);
  font-style: italic;
  margin-top: 0.75rem;
}

.sl-error {
  color: #e8b86d;
}

/* --- Life arc: map left + interactive timeline --- */

.sl-panel--arc {
  overflow: hidden;
}

.sl-arc-lede {
  color: var(--sl-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.sl-arc-grid {
  display: grid;
  gap: 1.25rem;
}

.sl-arc-map-col {
  position: relative;
  min-height: 320px;
}

.sl-arc-map {
  height: 100%;
  min-height: 380px;
  border: 1px solid var(--sl-border);
  border-radius: 0.4rem;
  background: var(--sl-surface-2);
}

.sl-arc-map-badge {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 1rem;
  border: 1px solid var(--sl-border);
  background: rgba(15, 18, 24, 0.88);
  color: var(--sl-text);
  pointer-events: none;
}

.sl-arc-map-badge--moon {
  border-color: rgba(142, 180, 217, 0.55);
  color: var(--sl-accent);
  box-shadow: 0 0 18px rgba(142, 180, 217, 0.25);
}

.sl-arc-hint {
  color: var(--sl-muted);
  margin-top: 0.75rem;
}

.sl-arc-hint .bi {
  color: var(--sl-accent-warm);
}

.sl-timeline--interactive .sl-timeline-item--interactive {
  cursor: pointer;
  border-radius: 0.35rem;
  margin-left: -0.35rem;
  padding-left: 1.45rem;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.sl-timeline--interactive .sl-timeline-item--interactive:hover {
  background: rgba(142, 180, 217, 0.08);
}

.sl-timeline--interactive .sl-timeline-item--interactive.is-active {
  background: rgba(196, 165, 116, 0.14);
  box-shadow: inset 3px 0 0 var(--sl-accent-warm);
}

.sl-timeline--interactive .sl-timeline-item--interactive.is-related {
  background: rgba(142, 180, 217, 0.1);
}

.sl-timeline--interactive .sl-timeline-item--moon.is-active::before {
  background: var(--sl-accent);
  box-shadow: 0 0 10px rgba(142, 180, 217, 0.8);
}

.sl-tl-pin {
  position: absolute;
  left: -1.35rem;
  top: 0.15rem;
  color: var(--sl-muted);
  font-size: 0.75rem;
}

.sl-timeline-item--interactive:hover .sl-tl-pin,
.sl-timeline-item--interactive.is-active .sl-tl-pin {
  color: var(--sl-accent-warm);
}

.sl-timeline-item--moon .sl-tl-pin {
  color: var(--sl-accent);
}

@media (min-width: 992px) {
  .sl-panel--arc {
    width: min(70rem, calc(100vw - 4rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    padding: 1.4rem 1.6rem;
  }

  .sl-arc-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
    gap: 1.75rem;
    align-items: stretch;
  }

  .sl-arc-map {
    min-height: 480px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sl-timeline--interactive .sl-timeline-item--interactive {
    transition: none;
  }
}

/* --- Kinship panel (portrait plate) --- */
.sl-portrait--plate {
  margin: 0.25rem 0 1.1rem;
  padding: 0.55rem 0.55rem 0;
  background: linear-gradient(180deg, var(--sl-surface-2), var(--sl-surface));
  border-color: rgba(196, 165, 116, 0.4);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.sl-portrait--plate img {
  max-height: 230px;
  border: 1px solid var(--sl-border);
  border-radius: 0.25rem;
}

.sl-portrait--plate figcaption {
  border-top: none;
  padding: 0.5rem 0.2rem 0.65rem;
  font-style: italic;
}

.sl-plate-label {
  display: block;
  font-style: normal;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sl-accent-warm);
  margin-bottom: 0.2rem;
}