/*
 * Two complementary experiences; depth belongs to the native dialogs, not the homepage.
 * Additive to identity.css / evolution.css. All selectors and tokens are scoped.
 */
.sx-experience {
  --sx-accent: var(--blue);
  --sx-lilac: var(--secondary-ink);
  --sx-thread: color-mix(in srgb, var(--violet) 48%, var(--paper));
  --sx-pink-wash: color-mix(in srgb, var(--highlight) 20%, var(--paper));
  --sx-lilac-wash: color-mix(in srgb, var(--violet) 9%, var(--paper));
  --sx-soft-wash: color-mix(in srgb, var(--highlight) 8%, var(--paper));
  --sx-title: clamp(1.5rem, 1.22rem + .85vw, 2rem);
  --sx-radius: var(--circulation-radius, 24px);
  color: var(--ink);
  font-family: var(--font-body);
  min-width: 0;
}

.sx-experience *, .sx-experience *::before, .sx-experience *::after { box-sizing: border-box; }
.sx-experience [hidden] { display: none !important; }
.sx-experience :is(button, a, select, summary) { scroll-margin-block: var(--space-24) var(--space-12); }
.sx-experience :is(button, a, select, summary):focus-visible,
.sx-experience [tabindex="-1"]:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.sx-experience :is(button, select) { font-family: var(--font-body); }
.sx-experience :is(button, a, summary) { -webkit-tap-highlight-color: transparent; }
.sx-experience :is(button, a, summary):active { opacity: .8; }
.sx-experience :is(h2, h3, h4, p) { overflow-wrap: break-word; }
.sx-experience :is(h2, h3) { font-weight: 400; letter-spacing: 0; }
.sx-experience .sx-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .085em;
  line-height: 1.6;
  text-transform: uppercase;
  color: var(--sx-lilac);
}
.sx-experience .sx-caption,
.sx-experience .sx-empty {
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}
.sx-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* The small editorial machine: a curated encounter between concepts, never an endless animation. */
.sx-machine {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.65fr);
  align-items: center;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  padding-block: var(--space-10) var(--space-8);
}
.sx-machine-invitation { max-width: 26rem; }
.sx-machine-prompt {
  font-family: var(--font-display);
  font-size: var(--sx-title);
  line-height: 1.3;
  color: var(--ink);
  margin-block: var(--space-3) var(--space-5);
}
.sx-circulate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  min-height: 52px;
  max-width: 100%;
  border: 1px solid var(--sx-accent);
  border-radius: var(--radius-full);
  background: var(--sx-accent);
  color: var(--paper);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .045em;
  line-height: 1.4;
}
.sx-circulate > span { font-size: var(--text-lg); font-weight: 400; }
.sx-circulate:hover:not(:disabled) { background: var(--ink); border-color: var(--ink); }
.sx-circulate:disabled { cursor: not-allowed; background: var(--surface); border-color: var(--line); color: var(--muted); }
.sx-machine-hint {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--muted);
  max-width: 32ch;
}
.sx-machine-output { min-width: 0; }
.sx-discovery-cluster {
  position: relative;
  isolation: isolate;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(5.5rem, auto));
  align-items: center;
  justify-items: center;
  max-width: 39rem;
  min-height: 21rem;
  margin: 0 auto var(--space-6);
  padding: var(--space-3) 0;
}
.sx-discovery-cluster::before,
.sx-discovery-cluster::after {
  content: "";
  position: absolute;
  inset: 14% 16%;
  border: 1px solid var(--sx-thread);
  border-radius: 50%;
  transform: rotate(-24deg);
  z-index: -1;
  pointer-events: none;
}
.sx-discovery-cluster::after {
  inset: 24% 8%;
  transform: rotate(27deg);
  border-color: color-mix(in srgb, var(--sx-accent) 28%, var(--paper));
}
.sx-discovery-node {
  grid-column: span 2;
  display: flex;
  justify-content: center;
  align-items: center;
  width: min(100%, 10rem);
  min-height: 6.5rem;
  padding: var(--space-4) var(--space-3);
  border: 1px solid var(--sx-lilac);
  border-radius: 48% 52% 53% 47% / 50% 46% 54% 50%;
  color: var(--sx-lilac);
  background: linear-gradient(145deg, var(--paper), var(--sx-lilac-wash));
  font-family: var(--font-display);
  font-size: clamp(1.05rem, .85rem + .55vw, 1.4rem);
  line-height: 1.35;
  text-align: center;
  overflow-wrap: anywhere;
}
.sx-discovery-focus {
  grid-column: 3 / span 2;
  grid-row: 2;
  min-height: 8.5rem;
  border-color: var(--sx-accent);
  color: var(--sx-accent);
  background: linear-gradient(135deg, var(--paper), var(--sx-pink-wash));
  border-radius: 50%;
  z-index: 1;
}
.sx-discovery-node:nth-child(2) { grid-column: 1 / span 2; grid-row: 1; align-self: end; }
.sx-discovery-node:nth-child(3) { grid-column: 5 / span 2; grid-row: 3; align-self: start; }
.sx-discovery-node:nth-child(4) { grid-column: 5 / span 2; grid-row: 1; }
.sx-discovery-node:nth-child(5) { grid-column: 1 / span 2; grid-row: 3; }
.sx-discovery-cluster[data-count="3"] .sx-discovery-node:nth-child(2) { grid-column: 1 / span 3; width: min(100%, 10rem); }
.sx-discovery-cluster[data-count="3"] .sx-discovery-node:nth-child(3) { grid-column: 4 / span 3; width: min(100%, 10rem); }
.sx-discovery-evidence { margin-top: var(--space-2); }
.sx-discovery-evidence > blockquote { margin-bottom: 0; }
.sx-connection-result {
  border-top: 1px solid var(--sx-thread);
  padding-top: var(--space-5);
}
.sx-connection-result > h3 {
  margin-bottom: var(--space-3);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.4;
}
.sx-connection-result > p { font-size: var(--text-base); line-height: 1.65; }
.sx-source { margin-top: var(--space-3); }
.sx-source-link,
.sx-deepen {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  max-width: 100%;
  min-height: 44px;
  padding-block: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.55;
  color: var(--sx-lilac);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.sx-deepen {
  font-size: var(--text-sm);
  color: var(--sx-accent);
  font-weight: 700;
  text-decoration: none;
}
.sx-source-link:hover, .sx-deepen:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.sx-source-link > span, .sx-deepen > span { flex-shrink: 0; }

/* A doorway is a line of editorial invitation, not a standard content card. */
.sx-doorway {
  position: relative;
  display: grid;
  grid-template-columns: minmax(8rem, .5fr) minmax(0, 2.2fr);
  align-items: center;
  gap: clamp(var(--space-6), 5vw, var(--space-16));
  padding-block: var(--space-8);
  padding-inline: var(--space-4) var(--space-8);
  margin-top: var(--space-12);
  border-top: 1px solid var(--sx-thread);
  border-bottom: 1px solid var(--sx-thread);
  border-radius: 0 0 var(--space-16) 0;
  background: linear-gradient(110deg, transparent 25%, var(--sx-soft-wash));
}
.sx-doorway-copy { max-width: 49rem; min-width: 0; }
.sx-doorway-copy > h3 {
  margin-block: var(--space-3);
  font-size: var(--sx-title);
  color: var(--sx-accent);
  line-height: 1.25;
}
.sx-doorway-copy > p:not(.sx-eyebrow) {
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 65ch;
  color: var(--muted);
}
.sx-doorway-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-5);
  padding-block: var(--space-3);
  margin-top: var(--space-3);
  min-height: 48px;
  border: 0;
  border-bottom: 1px solid var(--sx-accent);
  border-radius: 0;
  color: var(--sx-accent);
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: left;
  line-height: 1.5;
}
.sx-doorway-cta:hover { color: var(--ink); border-color: var(--ink); }
.sx-doorway-mark {
  position: relative;
  justify-self: center;
  width: 9rem;
  height: 9rem;
  pointer-events: none;
}
.sx-preview-orbit {
  position: absolute;
  width: 5.75rem;
  height: 5.75rem;
  border: 1px solid var(--sx-thread);
  border-radius: 50%;
  top: var(--space-2);
  left: var(--space-2);
}
.sx-preview-orbit:nth-child(2) { top: var(--space-10); left: var(--space-10); border-color: var(--sx-accent); }
.sx-preview-orbit:nth-child(3) { width: 4.25rem; height: 4.25rem; left: var(--space-1); top: var(--space-16); background: var(--sx-lilac-wash); }
.sx-preview-seed { position: absolute; right: var(--space-3); top: var(--space-1); width: 1rem; height: 1rem; border: 2px solid var(--sx-lilac); border-radius: 50%; }

/* Own modal namespace: app.js's pre-existing .dialog handlers are not required. */
.sx-dialog {
  padding: 0;
  margin: auto;
  width: min(1380px, calc(100% - 48px));
  max-width: none;
  max-height: calc(100dvh - 48px);
  border: 1px solid var(--sx-thread);
  border-radius: var(--sx-radius);
  background: var(--paper);
  color: var(--ink);
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: 0 24px 100px color-mix(in srgb, var(--secondary-ink) 22%, transparent);
  scrollbar-gutter: stable;
}
.sx-dialog:not([open]) { display: none; }
.sx-dialog[open] { display: block; }
.sx-dialog::backdrop { background: #211526a8; backdrop-filter: blur(3px); }
.sx-dialog-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) clamp(var(--space-4), 3vw, var(--space-10));
  position: sticky;
  top: 0;
  z-index: 6;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.sx-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-shrink: 0;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--text-sm);
  line-height: 1.4;
}
.sx-close > span:last-child { font-size: var(--text-lg); }
.sx-close:hover { border-color: var(--sx-accent); color: var(--sx-accent); }
.sx-dialog-body { padding: var(--space-8) clamp(var(--space-4), 3vw, var(--space-10)) var(--space-10); }
.sx-dialog-heading { margin-bottom: var(--space-8); }
.sx-dialog-heading h2 {
  width: fit-content;
  max-width: 100%;
  font-size: clamp(1.8rem, 1.4rem + 1.2vw, 2.5rem);
  color: var(--sx-accent);
  line-height: 1.25;
  margin-bottom: var(--space-3);
}
.sx-dialog-heading > p { font-size: var(--text-base); line-height: 1.65; color: var(--muted); max-width: 76ch; }
.sx-dialog :is(a, button, select, summary) { scroll-margin-block: var(--space-24) var(--space-8); }

/* Desktop: an organic perimeter with safe, separate text cells and measured curves. */
.sx-constellation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(17rem, 1fr);
  align-items: start;
  gap: clamp(var(--space-6), 3vw, var(--space-10));
}
.sx-constellation-navigation { min-width: 0; position: sticky; top: calc(var(--space-20) + var(--space-3)); }
.sx-graph-hint { color: var(--muted); font-size: var(--text-sm); line-height: 1.6; margin-bottom: var(--space-3); }
.sx-graph {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--sx-graph-columns, 4), minmax(0, 1fr));
  grid-template-rows: repeat(var(--sx-graph-rows, 4), minmax(8.25rem, auto));
  align-items: center;
  justify-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: 48%;
  background: radial-gradient(ellipse at center, var(--sx-soft-wash) 0%, transparent 70%);
  isolation: isolate;
}
.sx-graph-curves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: visible;
  pointer-events: none;
}
.sx-graph-curves path { fill: none; stroke: var(--sx-thread); stroke-width: 1.1; opacity: .45; transition: opacity 180ms, stroke 180ms; }
.sx-graph-curves path.is-connected { stroke: var(--sx-accent); stroke-width: 1.6; opacity: .6; }
.sx-graph-curves path.is-muted { opacity: .12; }
.sx-constellation-core {
  grid-column: 2 / var(--sx-graph-columns, 4);
  grid-row: 2 / var(--sx-graph-rows, 4);
  width: min(100%, 13rem);
  aspect-ratio: 1;
  padding: var(--space-4);
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--paper);
  background-image: linear-gradient(145deg, var(--paper) 15%, var(--sx-pink-wash));
  border: 1px solid var(--sx-thread);
  border-radius: 50%;
  color: var(--sx-accent);
  position: relative;
}
.sx-constellation-core::before {
  content: "";
  position: absolute;
  inset: calc(-1 * var(--space-3));
  border: 1px solid var(--sx-thread);
  border-radius: 47% 53% 50% 50%;
  transform: rotate(-12deg);
  pointer-events: none;
}
.sx-constellation-core > span { font-family: var(--font-display); font-size: var(--sx-title); line-height: 1.22; }
.sx-constellation-core > small { font-family: var(--font-body); font-size: var(--text-xs); line-height: 1.5; color: var(--muted); margin-top: var(--space-3); }
.sx-topic-node {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, var(--sx-node-size));
  min-height: 7.1rem;
  aspect-ratio: 1;
  padding: var(--space-3);
  border: 1px solid var(--sx-lilac);
  border-radius: 50%;
  color: var(--sx-lilac);
  background: var(--paper);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  position: relative;
  transition: background 180ms, border-color 180ms, opacity 180ms, color 180ms;
}
.sx-topic-node > span { max-width: 100%; overflow-wrap: anywhere; hyphens: manual; }
.sx-topic-node--long { padding-inline: var(--space-2); }
.sx-topic-node--widest { padding-inline: 0; font-size: var(--text-xs); }
.sx-topic-node:nth-of-type(even) { border-radius: 49% 51% 46% 54%; }
.sx-topic-node.is-current {
  border: 2px solid var(--sx-accent);
  background: var(--sx-pink-wash);
  color: var(--sx-accent);
}
.sx-topic-node.is-current::after {
  content: "";
  position: absolute;
  inset: calc(-1 * var(--space-2));
  border: 1px solid var(--sx-accent);
  border-radius: 48% 52% 50% 50%;
  transform: rotate(var(--sx-node-turn));
  pointer-events: none;
}
.sx-topic-node.is-related { background: var(--sx-lilac-wash); border-color: var(--sx-lilac); }
.sx-topic-node.is-dimmed { color: var(--muted); border-color: var(--line); background: var(--paper); }
.sx-topic-node:hover, .sx-topic-node:focus-visible { opacity: 1; border-color: var(--sx-accent); }
.sx-graph-caption { font-size: var(--text-xs); color: var(--muted); line-height: 1.65; margin-top: var(--space-4); }
.sx-mobile-navigation { display: none; }
.sx-focus-panel {
  min-width: 0;
  border-top: 1px solid var(--sx-thread);
  padding-top: var(--space-5);
}
.sx-focus-panel > h3 { font-size: var(--sx-title); color: var(--sx-accent); margin-block: var(--space-3) var(--space-5); line-height: 1.3; }
.sx-related > p { font-size: var(--text-xs); color: var(--muted); margin-bottom: var(--space-2); }
.sx-related > div { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.sx-related button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--sx-thread);
  border-radius: var(--radius-full);
  background: var(--paper);
  font-size: var(--text-sm);
  color: var(--sx-lilac);
  line-height: 1.5;
  text-align: left;
}
.sx-related button:hover { border-color: var(--sx-accent); color: var(--sx-accent); background: var(--sx-soft-wash); }
.sx-focus-connections { margin-top: var(--space-6); }
.sx-connection-story { padding-block: var(--space-5); border-top: 1px solid var(--line); }
.sx-connection-story > h4 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-body);
  color: var(--ink);
  font-size: var(--text-base);
  line-height: 1.5;
  font-weight: 700;
}
.sx-connection-story > h4 span { color: var(--sx-lilac); }
.sx-connection-story > p { font-size: var(--text-base); line-height: 1.7; }
.sx-quotation { font-size: var(--text-sm); line-height: 1.65; margin-block: var(--space-1); }
.sx-quotation > summary { cursor: pointer; min-height: 44px; padding-block: var(--space-2); color: var(--sx-lilac); }
.sx-quotation > summary:hover { text-decoration: underline; text-underline-offset: 4px; }
.sx-quotation > blockquote {
  margin: var(--space-2) 0 var(--space-4);
  padding: var(--space-4);
  border-radius: var(--circulation-radius-small, 12px);
  background: var(--sx-lilac-wash);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: anywhere;
}

@media (max-width: 1120px) {
  .sx-constellation-layout { grid-template-columns: minmax(0, 1fr); }
  .sx-constellation-navigation { position: static; width: min(100%, 44rem); margin-inline: auto; }
  .sx-graph { grid-template-rows: repeat(var(--sx-graph-rows, 4), minmax(8.25rem, auto)); }
  .sx-focus-panel { margin-top: var(--space-3); }
  .sx-focus-connections { columns: 2; column-gap: var(--space-8); }
  .sx-connection-story { break-inside: avoid; }
}
@media (max-width: 900px) {
  .sx-machine { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .sx-machine-invitation { max-width: 42rem; }
  .sx-machine-output { width: 100%; }
}
@media (max-width: 680px) {
  .sx-machine { grid-template-columns: minmax(0, 1fr); padding-block: var(--space-6); gap: var(--space-6); }
  .sx-machine-invitation { max-width: none; }
  .sx-machine-prompt { margin-block: var(--space-2) var(--space-4); }
  .sx-machine-hint { max-width: 44ch; margin-top: var(--space-3); }
  .sx-doorway {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding: var(--space-6) var(--space-2);
    border-bottom-right-radius: var(--space-10);
  }
  .sx-doorway-mark { justify-self: start; width: 5.25rem; height: 3.5rem; }
  .sx-preview-orbit { width: 2.75rem; height: 2.75rem; left: 0; top: 0; }
  .sx-preview-orbit:nth-child(2) { left: var(--space-6); top: var(--space-2); }
  .sx-preview-orbit:nth-child(3) { width: 1.75rem; height: 1.75rem; left: var(--space-12); top: 0; }
  .sx-preview-seed { display: none; }
  .sx-doorway-copy > h3 { margin-block: var(--space-2) var(--space-3); }
  .sx-doorway-copy > p:not(.sx-eyebrow) { font-size: var(--text-sm); }
  .sx-doorway-cta { margin-top: var(--space-2); }
  .sx-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); border-radius: var(--space-4); scrollbar-gutter: auto; }
  .sx-dialog::backdrop { backdrop-filter: none; }
  .sx-dialog-bar { padding: var(--space-2) var(--space-4); gap: var(--space-3); }
  .sx-dialog-bar > .sx-eyebrow { max-width: 23ch; font-size: var(--text-xs); }
  .sx-close { padding-inline: var(--space-3); gap: var(--space-2); }
  .sx-dialog-body { padding: var(--space-6) var(--space-4) var(--space-8); }
  .sx-dialog-heading { margin-bottom: var(--space-6); }
  .sx-dialog-heading h2 { font-size: clamp(1.65rem, 1.45rem + 1vw, 2rem); }
  .sx-dialog-heading > p { font-size: var(--text-sm); }
  /* Not a scaled-down graph: an explicit selector, focused topic, then its relations. */
  .sx-graph, .sx-graph-hint, .sx-graph-caption { display: none; }
  .sx-mobile-navigation { display: block; }
  .sx-mobile-brand { position: relative; color: var(--sx-accent); font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.4; padding-block: var(--space-4); padding-left: var(--space-10); border-top: 1px solid var(--sx-thread); }
  .sx-mobile-brand::before,
  .sx-mobile-brand::after { content: ""; position: absolute; width: 1.15rem; height: 1.15rem; border: 1px solid var(--sx-accent); border-radius: 50%; left: 0; top: calc(50% - .65rem); pointer-events: none; }
  .sx-mobile-brand::after { left: .55rem; top: calc(50% - .2rem); border-color: var(--sx-lilac); }
  .sx-mobile-navigation label { display: block; color: var(--muted); font-size: var(--text-sm); margin-bottom: var(--space-2); }
  .sx-mobile-navigation select { display: block; min-height: 52px; width: 100%; max-width: 100%; border: 1px solid var(--sx-lilac); border-radius: var(--space-3); padding: var(--space-3); color: var(--ink); background: var(--paper); font-size: max(16px, 1rem); }
  .sx-constellation-layout { gap: var(--space-6); }
  .sx-focus-panel { margin-top: 0; padding-top: var(--space-5); }
  .sx-focus-connections { columns: auto; }
  .sx-related button { font-size: var(--text-sm); }
  .sx-related { position: relative; padding-left: var(--space-5); }
  .sx-related::before { content: ""; position: absolute; left: 0; top: var(--space-1); bottom: var(--space-5); width: var(--space-3); border-left: 1px solid var(--sx-thread); border-bottom: 1px solid var(--sx-thread); border-bottom-left-radius: var(--space-4); pointer-events: none; }
  .sx-related button::before { content: ""; width: .4rem; height: .4rem; flex: 0 0 .4rem; border: 1px solid currentColor; border-radius: 50%; }
  .sx-connection-story { padding-block: var(--space-5); }
  .sx-quotation > blockquote { padding: var(--space-3); }
}

@media (max-width: 480px) {
  .sx-discovery-cluster {
    min-height: 19rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(3, minmax(5rem, auto));
  }
  .sx-discovery-node { width: min(100%, 9rem); min-height: 5.75rem; padding: var(--space-3) 2px; font-size: 1rem; text-wrap: balance; }
  .sx-discovery-focus { grid-column: 2 / span 2; min-height: 7rem; }
  .sx-discovery-node:nth-child(2),
  .sx-discovery-cluster[data-count="3"] .sx-discovery-node:nth-child(2) { grid-column: 1 / span 2; }
  .sx-discovery-node:nth-child(3),
  .sx-discovery-cluster[data-count="3"] .sx-discovery-node:nth-child(3),
  .sx-discovery-node:nth-child(4) { grid-column: 3 / span 2; }
  .sx-discovery-node:nth-child(5) { grid-column: 1 / span 2; }
}

/* Explicit 130% preference: a wide screen still gives growing labels safe space. */
@media (min-width: 681px) {
  html[style*="130%"] .sx-constellation-layout { grid-template-columns: minmax(0, 1fr); }
  html[style*="130%"] .sx-constellation-navigation { position: static; width: min(100%, 44rem); margin-inline: auto; }
  html[style*="130%"] .sx-focus-connections { columns: 2; column-gap: var(--space-8); }
  html[style*="130%"] .sx-connection-story { break-inside: avoid; }
}

[data-theme="dark"] .sx-experience {
  --sx-pink-wash: color-mix(in srgb, var(--magenta) 12%, var(--paper));
  --sx-lilac-wash: color-mix(in srgb, var(--violet) 13%, var(--paper));
  --sx-soft-wash: color-mix(in srgb, var(--magenta) 5%, var(--paper));
  --sx-thread: color-mix(in srgb, var(--violet) 58%, var(--paper));
}
[data-contrast="high"] .sx-experience {
  --sx-pink-wash: var(--paper);
  --sx-lilac-wash: var(--paper);
  --sx-soft-wash: var(--paper);
  --sx-thread: var(--line);
}
[data-contrast="high"] .sx-experience :is(.sx-doorway, .sx-constellation-core, .sx-graph) { background-image: none; }
[data-contrast="high"] .sx-topic-node.is-dimmed { opacity: 1; border-style: dashed; }
[data-contrast="high"] .sx-topic-node.is-current { border-width: 3px; text-decoration: underline; text-underline-offset: 3px; }
[data-contrast="high"] .sx-topic-node.is-related { border-width: 2px; }
[data-contrast="high"] .sx-graph-curves path.is-connected { opacity: 1; stroke-width: 2; }
[data-contrast="high"] .sx-graph-curves path.is-muted { opacity: .3; }

@media (prefers-reduced-motion: reduce) {
  .sx-experience *, .sx-experience *::before, .sx-experience *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
[data-motion="reduced"] .sx-experience *,
[data-motion="reduced"] .sx-experience *::before,
[data-motion="reduced"] .sx-experience *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
@media (forced-colors: active) {
  .sx-experience { --sx-accent: LinkText; --sx-lilac: CanvasText; --sx-thread: CanvasText; --sx-pink-wash: Canvas; --sx-lilac-wash: Canvas; --sx-soft-wash: Canvas; }
  .sx-experience :is(.sx-constellation-core, .sx-doorway, .sx-graph) { background: Canvas; }
  .sx-topic-node.is-dimmed { opacity: 1; border-style: dashed; }
  .sx-topic-node.is-current { border: 3px solid Highlight; color: Highlight; }
  .sx-topic-node.is-current::after { border-color: Highlight; }
  .sx-topic-node.is-related { border-width: 2px; }
  .sx-graph-curves path.is-connected { stroke: Highlight; opacity: 1; }
  .sx-graph-curves path.is-muted { stroke: GrayText; opacity: .35; }
  .sx-circulate { background: ButtonFace; color: ButtonText; border-color: ButtonText; } .sx-preview-orbit, .sx-preview-seed { display: none; }
  .sx-experience :is(button, a, select, summary):focus-visible { outline-color: Highlight; }
}