:root {
  color-scheme: dark;
  --space: #04070e;
  --space-soft: #0b1321;
  --ink: #e9edf2;
  --muted: #a7b2c2;
  --quiet: #8494aa;
  --gold: #d6af83;
  --cyan: #abd5f2;
  --paper: #04070e;
  --paper-ink: #e9edf2;
  --paper-muted: #a7b2c2;
  --line: rgba(171, 195, 224, .18);
  --line-strong: rgba(171, 195, 224, .32);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --nav-height: 100px;
  --margin: clamp(32px, 4.3vw, 144px);
  --serif: "Iowan Old Style", "Baskerville", "Palatino Linotype", Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; margin: 0; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  min-height: 100svh; overflow: hidden; background: var(--paper); color: var(--ink);
  font: 14px/1.5 Arial, Helvetica, sans-serif;
  text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; color: inherit; }
button { border: 0; cursor: pointer; }
button:disabled { cursor: default; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 50%; padding: 10px 18px; background: var(--ink); color: var(--paper); transform: translate(-50%,-180%); }
.skip-link:focus { transform: translate(-50%,0); }
#galaxyCanvas { position: fixed; z-index: 0; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: grab; transition: opacity .6s, filter .6s; }
#galaxyCanvas:active { cursor: grabbing; }
#galaxyCanvas.is-node-hovered { cursor: pointer; }
.space-wash, .space-grain { position: fixed; z-index: 1; inset: 0; pointer-events: none; }
.space-wash { background: linear-gradient(90deg, var(--space), rgba(4,7,14,.93) 25%, rgba(4,7,14,0) 45%); }
.space-grain { opacity: .045; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); mix-blend-mode: multiply; }
.atlas-nav { position: fixed; z-index: 50; top: 0; left: var(--margin); right: var(--margin); height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line-strong); pointer-events: none; transition: opacity .4s; }
.atlas-nav > * { pointer-events: auto; }
.atlas-brand { text-decoration: none; }
.brand-copy { display: block; }
.brand-copy strong { display: inline-flex; align-items: baseline; gap: 10px; font-family: var(--serif); font-size: 43px; font-weight: 400; line-height: 1; }
.brand-name { letter-spacing: -.075em; }
.brand-copy .brand-beta { color: var(--gold); font: inherit; letter-spacing: -.055em; }
.nav-actions { display: flex; align-items: center; gap: 26px; }
.about-link, .view-toggle { font-size: 11px; text-decoration: none; }
.about-link span { margin-left: 10px; color: var(--gold); }
.about-link:hover, .view-toggle:hover { color: var(--gold); }
.view-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 8px 0; background: transparent; border-bottom: 1px solid var(--line); }
.view-toggle:disabled { opacity: 0; pointer-events: none; }
.home-stage { position: fixed; inset: 0; z-index: 4; pointer-events: none; transition: opacity .45s, transform .6s var(--ease-out); }
.home-copy { position: absolute; top: calc(var(--nav-height) + 43px); left: var(--margin); }
.eyebrow, .index-heading, .map-marginalia, .topic-number, .topic-count { font-family: var(--mono); font-weight: 400; }
.eyebrow { margin: 0 0 20px; color: var(--gold); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.home-copy h1 { margin: 0; font-family: var(--serif); font-size: clamp(48px, 4.1vw, 76px); font-weight: 400; line-height: .98; letter-spacing: -.055em; }
.home-copy h1 em { color: var(--cyan); font-weight: 400; }
.topic-index { position: absolute; top: clamp(345px, 40vh, 465px); left: var(--margin); width: clamp(265px, 23vw, 355px); pointer-events: auto; }
.index-heading { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 12px; border-bottom: 1px solid var(--line-strong); color: var(--quiet); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.index-heading h2 { margin: 0; font: inherit; color: var(--ink); }
.topic-list { display: grid; }
.topic-button { display: grid; grid-template-columns: 26px 1fr 24px 10px; gap: 5px; align-items: center; min-height: 37px; width: 100%; padding: 6px 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; transition: color .2s, padding .3s var(--ease-out); }
.topic-number { color: var(--quiet); font-size: 9px; }
.topic-name { font-size: 12px; }
.topic-count { color: var(--quiet); text-align: right; font-size: 9px; }
.topic-indicator { opacity: 0; color: var(--gold); font-size: 14px; transform: translateX(-5px); transition: transform .3s, opacity .2s; }
.topic-button:hover, .topic-button[aria-pressed="true"] { color: var(--gold); padding-left: 5px; }
.topic-button[aria-pressed="true"] { border-bottom-color: var(--gold); }
.topic-button[aria-pressed="true"] .topic-number, .topic-button[aria-pressed="true"] .topic-count { color: var(--gold); }
.topic-button:hover .topic-indicator, .topic-button[aria-pressed="true"] .topic-indicator { opacity: 1; transform: translateX(0); }
.reset-topic { margin-top: 12px; padding: 0; background: transparent; color: var(--gold); font-size: 11px; }
.map-marginalia { position: fixed; z-index: 2; top: calc(var(--nav-height) + 45px); left: 39%; right: var(--margin); display: flex; justify-content: flex-end; color: var(--quiet); font-size: 9px; letter-spacing: .08em; pointer-events: none; }
.search-stage { position: fixed; z-index: 40; top: 27px; left: 48%; width: min(440px, 32vw); transform: translateX(-25%); transition: top .65s var(--ease-out), left .65s var(--ease-out), width .65s var(--ease-out), transform .65s var(--ease-out), opacity .35s; }
.atlas-search { display: grid; grid-template-columns: 18px minmax(0,1fr) auto; align-items: center; gap: 12px; height: 46px; border-bottom: 1px solid var(--line-strong); background: transparent; transition: height .5s, border-color .3s; }
.atlas-search:focus-within { border-color: var(--gold); }
.search-symbol { position: relative; width: 12px; height: 12px; margin-left: 2px; border: 1px solid var(--muted); border-radius: 50%; }
.search-symbol::after { position: absolute; right: -5px; bottom: -3px; width: 6px; height: 1px; background: var(--muted); transform: rotate(48deg); content: ""; }
.atlas-search input { width: 100%; min-width: 0; padding: 0; border: 0; outline: 0; background: transparent; font-size: 12px; text-overflow: ellipsis; }
.atlas-search input::placeholder { color: var(--quiet); opacity: 1; }
.atlas-search button { display: flex; gap: 12px; align-items: center; height: 44px; padding: 0 0 0 10px; background: transparent; font-size: 10px; }
.atlas-search button span:last-child { color: var(--gold); font-size: 20px; font-weight: 400; }
.atlas-search button:hover { color: var(--gold); }
.search-suggestions { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 18px; margin-top: 21px; color: var(--muted); opacity: 0; visibility: hidden; transition: opacity .3s; }
.search-suggestions > span { width: 100%; font-family: var(--mono); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.search-suggestions button { padding: 4px 0; border-bottom: 1px solid var(--line); background: transparent; font-family: var(--serif); font-size: 16px; }
.search-suggestions button:hover { color: var(--gold); }
.search-scrim { position: fixed; z-index: 30; inset: 0; opacity: 0; background: rgba(4,7,14,.62); backdrop-filter: blur(8px); pointer-events: none; transition: opacity .52s; }
.results-hud { position: fixed; z-index: 10; top: 166px; left: var(--margin); width: min(300px, 26vw); opacity: 0; pointer-events: none; transition: opacity .5s .1s; }
.results-hud h2 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 3vw, 50px); line-height: 1.1; letter-spacing: -.04em; overflow-wrap: anywhere; }
.result-count, .classic-summary { margin: 17px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.result-key { display: grid; grid-template-columns: 17px auto; align-items: center; gap: 9px; margin-top: 26px; color: var(--quiet); font-family: var(--mono); font-size: 9px; }
.key-star { width: 5px; height: 5px; margin-left: 5px; border-radius: 50%; background: var(--gold); }
.key-thread { width: 15px; height: 1px; background: var(--gold); }
.quiet-action { margin-top: 28px; padding: 0 0 5px; border-bottom: 1px solid var(--line); background: transparent; color: var(--gold); font-size: 11px; pointer-events: auto; }
.empty-state { position: fixed; z-index: 12; top: 48%; left: 64%; width: min(350px, calc(100vw - 40px)); padding: 30px; border: 1px solid var(--line); background: var(--paper); transform: translate(-50%,-50%); text-align: center; }
.empty-state h2 { margin: 0; font: 400 27px/1.2 var(--serif); letter-spacing: -.035em; }
.empty-state p:last-child { margin: 17px 0 0; color: var(--muted); font-size: 12px; }
.node-tooltip { position: fixed; z-index: 25; width: 305px; padding: 22px; border: 1px solid var(--line); border-left: 2px solid var(--gold); background: rgba(9,16,28,.98); box-shadow: 0 12px 35px rgba(0,0,0,.3); opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .18s, transform .25s var(--ease-out); }
.node-tooltip.is-visible { opacity: 1; transform: translateY(0); }
.tooltip-meta { margin: 0 0 9px; color: var(--gold); font: 9px/1.5 var(--mono); }
.node-tooltip h3 { display: -webkit-box; margin: 0; overflow: hidden; font: 400 22px/1.2 var(--serif); letter-spacing: -.025em; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.tooltip-authors { margin: 8px 0 0; color: var(--quiet); font-size: 10px; }
.tooltip-reason { display: -webkit-box; overflow: hidden; margin: 13px 0 0; color: var(--muted); font-size: 11px; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.tooltip-open { display: block; margin-top: 14px; color: var(--gold); font: 9px var(--mono); }
.classic-panel { position: fixed; z-index: 45; top: var(--nav-height); right: 0; width: min(420px, 42vw); height: calc(100svh - var(--nav-height)); padding: 30px 30px 20px; border-left: 1px solid var(--line-strong); background: rgba(8,14,25,.98); opacity: 0; overflow: hidden; pointer-events: none; transform: translateX(102%); transition: transform .52s var(--ease-out), opacity .32s; }
.classic-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.classic-header .eyebrow { margin-bottom: 10px; }
.classic-header h2 { margin: 0; font: 400 32px/1.1 var(--serif); letter-spacing: -.03em; }
.icon-action { width: 28px; height: 32px; padding: 0; background: transparent; color: var(--gold); font-size: 27px; }
.classic-list { height: calc(100% - 105px); margin: 20px -10px 0 0; padding: 0 10px 35px 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: #394a62 transparent; }
.classic-card { display: block; width: 100%; padding: 22px 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; transition: padding .2s; }
.classic-card:hover { padding-left: 5px; }
.classic-card-meta { margin: 0 0 8px; color: var(--gold); font: 9px/1.5 var(--mono); }
.classic-card h3 { margin: 0; font: 400 23px/1.15 var(--serif); letter-spacing: -.025em; }
.classic-authors { margin: 9px 0 0; color: var(--quiet); font-size: 11px; }
.classic-reason { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
mark { background: rgba(214,175,131,.18); color: inherit; }
.detail-view {
  position: fixed;
  z-index: 60;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--paper);
  color: var(--paper-ink);
  opacity: 0;
  transform: translateY(18px) scale(0.995);
  transform-origin: 50% 20%;
  transition: opacity 460ms ease, transform 580ms var(--ease-out);
}

.detail-shell {
  width: min(1240px, calc(100% - 72px));
  margin: 0 auto;
  padding: 27px 0 110px;
}

.detail-toolbar {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  background: linear-gradient(180deg, var(--paper) 65%, rgba(4,7,14,0));
}

.back-action,
.share-action {
  padding: 9px 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.back-action:hover,
.share-action:hover {
  color: var(--ink);
}

.detail-hero {
  max-width: 960px;
  padding: clamp(56px, 8vw, 108px) 0 80px;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.detail-pill {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.detail-hero h1 {
  max-width: 1050px;
  margin: 25px 0 0;
  outline: 0;
  font-family: Iowan Old Style, Baskerville, Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 6vw, 86px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.detail-byline {
  margin: 23px 0 0;
  color: var(--paper-muted);
  font-size: 15px;
}

.detail-question {
  max-width: 780px;
  margin: 38px 0 0;
  padding-left: 22px;
  border-left: 2px solid var(--gold);
  font-family: Iowan Old Style, Baskerville, Georgia, serif;
  font-size: clamp(22px, 2.25vw, 30px);
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.query-connection {
  max-width: 780px;
  margin-top: 42px;
  padding: 25px 27px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--space-soft);
}

.query-connection h2 {
  margin: 0 0 13px;
  font-family: Iowan Old Style, Baskerville, Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.query-connection p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.query-connection strong {
  color: var(--ink);
}

.doi-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
}

.doi-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border-radius: 0;
  background: #c4d9e9;
  color: #08121e;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease;
}

.doi-button:hover {
  background: #e0edf6;
  transform: translateY(-1px);
}

.doi-label {
  color: var(--quiet);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
}

.model-map {
  display: grid;
  grid-template-columns: 190px minmax(0, 830px);
  gap: clamp(48px, 8vw, 130px);
  align-items: start;
}

.model-nav {
  position: sticky;
  top: 94px;
  display: grid;
  gap: 5px;
}

.model-nav p {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.model-nav a {
  padding: 5px 0;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
  transition: color 180ms ease;
}

.model-nav a:hover {
  color: var(--ink);
}

.model-sections {
  border-top: 1px solid var(--line-strong);
}

.model-section {
  position: relative;
  padding: 58px 0 64px 64px;
  border-bottom: 1px solid var(--line);
}

.section-number {
  position: absolute;
  top: 65px;
  left: 0;
  color: var(--gold);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
}

.model-section h2 {
  margin: 0 0 30px;
  font-family: Iowan Old Style, Baskerville, Georgia, serif;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.model-section h3 {
  margin: 32px 0 8px;
  color: var(--quiet);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.model-section p,
.model-section li,
.notation-entry dd {
  color: #bdc8d7;
  font-size: 14px;
  line-height: 1.72;
}

.model-section p {
  margin: 8px 0 0;
}

.model-section ul,
.timing-list {
  margin: 11px 0 0;
  padding-left: 20px;
}

.model-section li + li {
  margin-top: 7px;
}

.timing-list {
  list-style: decimal-leading-zero;
}

.math-block {
  max-width: 100%;
  margin-top: 26px;
  padding: 20px;
  border-radius: 0;
  overflow-x: auto;
  background: var(--space-soft);
}

.formula-source {
  color: var(--quiet) !important;
  font-size: 11px !important;
}

.notation-list {
  margin: 10px 0 0;
}

.notation-entry {
  display: grid;
  grid-template-columns: minmax(90px, 0.25fr) 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.notation-entry dt {
  color: var(--ink);
  font-size: 13px;
}

.notation-entry dd {
  margin: 0;
}

.notation-source {
  display: block;
  margin-top: 3px;
  color: var(--quiet);
  font-size: 10px;
}


.detail-hero h1 { font-family: var(--serif); }
.detail-pill { border-width: 0 0 1px; padding-left: 0; margin-right: 12px; }
.detail-question { font-family: var(--serif); }
.load-state { position: fixed; z-index: 70; inset: 0; display: flex; align-items: center; justify-content: center; gap: 13px; background: var(--paper); color: var(--muted); font: 10px var(--mono); letter-spacing: .1em; transition: opacity .5s, visibility .5s; }
.load-state.is-ready { visibility: hidden; opacity: 0; }
.load-orbit { width: 20px; height: 20px; border: 1px solid var(--line); border-top-color: var(--gold); border-radius: 50%; animation: load-orbit 1.8s linear infinite; }
@keyframes load-orbit { to { transform: rotate(360deg); } }
.noscript { position: fixed; z-index: 90; right: 20px; bottom: 20px; left: 20px; margin: 0; padding: 20px; border: 1px solid var(--line); background: var(--paper); text-align: center; }

/* The original routes and transitions remain; browse keeps the subject index. */
body[data-atlas-mode="search"] .search-scrim { opacity: 1; pointer-events: auto; }
body[data-atlas-mode="search"] .search-stage { top: 43%; left: 50%; width: min(650px, calc(100vw - 60px)); transform: translate(-50%,-50%); }
body[data-atlas-mode="search"] .atlas-search { height: 72px; }
body[data-atlas-mode="search"] .atlas-search input { font: 400 25px var(--serif); }
body[data-atlas-mode="search"] .search-suggestions { opacity: 1; visibility: visible; }
body[data-atlas-mode="search"] .atlas-nav,
body[data-atlas-mode="search"] .home-stage,
body[data-atlas-mode="search"] .results-hud,
body[data-atlas-mode="search"] .map-marginalia { opacity: 0; pointer-events: none; }
body[data-atlas-mode="results"] .home-stage,
body[data-atlas-mode="detail"] .home-stage { opacity: 0; visibility: hidden; pointer-events: none; }
body[data-atlas-mode="results"] .map-marginalia,
body[data-atlas-mode="detail"] .map-marginalia { opacity: 0; visibility: hidden; pointer-events: none; }
body[data-atlas-mode="results"] .results-hud { opacity: 1; pointer-events: auto; }
body:is([data-atlas-mode="results"],[data-atlas-mode="browse"])[data-result-view="classic"] .classic-panel { opacity: 1; pointer-events: auto; transform: translateX(0); }
body[data-result-view="classic"] .node-tooltip { display: none; }
body[data-atlas-mode="detail"] .search-stage,
body[data-atlas-mode="detail"] .atlas-nav,
body[data-atlas-mode="detail"] .results-hud,
body[data-atlas-mode="detail"] .node-tooltip,
body[data-atlas-mode="detail"] .classic-panel { opacity: 0; visibility: hidden; pointer-events: none; }
body[data-atlas-mode="detail"] .detail-view { opacity: 1; transform: translateY(0) scale(1); }
body[data-atlas-mode="error"] .topic-index,
body[data-atlas-mode="error"] .home-stage { visibility: hidden; }
body[data-atlas-mode="error"] #galaxyCanvas { opacity: .18; }

@media (min-width: 1700px) {
  .topic-button { min-height: 43px; }
  .topic-name { font-size: 14px; }
}
@media (min-width: 761px) and (max-height: 760px) {
  .home-copy { top: 127px; }
  .home-copy h1 { font-size: 47px; }
  .topic-index { top: 300px; max-height: calc(100svh - 320px); overflow-x: hidden; overflow-y: auto; scrollbar-width: thin; }
  .topic-button { min-height: 29px; }
}
@media (min-width: 761px) and (max-width: 1100px) {
  .search-stage { left: 43%; width: 32vw; }
  .nav-actions { gap: 16px; }
  .home-copy h1 { font-size: 49px; }
  .topic-index { width: 260px; }
  .model-map { grid-template-columns: 140px minmax(0,1fr); gap: 40px; }
}
@media (max-width: 760px) {
  :root { --nav-height: 75px; --margin: 22px; }
  .brand-copy strong { font-size: 38px; }
  .nav-actions { gap: 16px; }
  .about-link { font-size: 10px; }
  .about-link span { margin-left: 3px; }
  .view-toggle { font-size: 10px; }
  .search-stage { top: 83px; left: 22px; right: 22px; width: auto; transform: none; }
  .atlas-search { height: 39px; }
  .atlas-search input { font-size: 12px; }
  .atlas-search button { height: 39px; }
  .atlas-search button span:first-child { display: none; }
  .home-copy { top: 155px; }
  .home-copy h1 { font-size: clamp(35px, 11vw, 40px); }
  .space-wash { background: linear-gradient(180deg, rgba(4,7,14,.7), transparent 36%, transparent 55%, rgba(4,7,14,.88) 72%, var(--space) 86%); }
  .topic-index { top: auto; bottom: 82px; left: 22px; width: calc(100% - 44px); }
  .index-heading { padding-bottom: 9px; font-size: 8px; }
  .topic-list { grid-template-columns: 1fr 1fr; gap: 0 16px; }
  .topic-button { grid-template-columns: 17px 1fr 18px; min-height: 44px; gap: 3px; }
  .topic-name { font-size: 11px; line-height: 1.25; }
  .topic-number, .topic-count { font-size: 8px; }
  .topic-indicator { display: none; }
  .reset-topic { margin-top: 9px; font-size: 10px; }
  .map-marginalia { display: none; }
  body[data-atlas-mode="search"] .search-stage { top: 39%; left: 50%; right: auto; width: calc(100% - 44px); }
  body[data-atlas-mode="search"] .atlas-search input { font-size: 21px; }
  .search-suggestions { gap: 8px 15px; }
  .search-suggestions button { font-size: 15px; }
  .results-hud { top: 160px; left: 22px; width: 240px; }
  .results-hud h2 { font-size: 32px; }
  .result-key { display: none; }
  .result-count { margin-top: 12px; }
  .quiet-action { margin-top: 14px; }
  .classic-panel { top: 135px; width: 100%; height: calc(100svh - 135px); padding: 24px 22px 20px; border-top: 1px solid var(--line-strong); border-left: 0; transform: translateY(102%); }
  body:is([data-atlas-mode="results"],[data-atlas-mode="browse"])[data-result-view="classic"] .classic-panel { transform: translateY(0); }
  .classic-list { height: calc(100% - 95px); }
  .node-tooltip { top: auto !important; left: 14px !important; right: 14px !important; bottom: 18px !important; width: auto; }
  .empty-state { left: 50%; top: 46%; }
  .detail-shell { width: calc(100% - 44px); padding-top: 10px; }
  .detail-hero { padding: 44px 0 55px; }
  .detail-hero h1 { font-size: 42px; line-height: 1.05; }
  .detail-byline { font-size: 12px; }
  .detail-question { padding-left: 16px; font-size: 24px; }
  .detail-pill { font-size: 8px; }
  .back-action, .share-action { font-size: 10px; }
  .model-map { display: block; }
  .model-nav { position: static; display: flex; flex-wrap: wrap; gap: 6px 15px; margin-bottom: 25px; }
  .model-nav p { width: 100%; margin-bottom: 0; }
  .model-section { padding: 36px 0 40px 32px; }
  .section-number { top: 43px; }
  .model-section h2 { font-size: 29px; }
  .notation-entry { grid-template-columns: 70px 1fr; gap: 12px; }
  .query-connection { padding: 18px; }
  .math-block { padding: 12px; }
}
@media (max-width: 760px) and (max-height: 740px) {
  .home-copy { top: 141px; }
  .home-copy h1 { font-size: 33px; }
  .topic-index { bottom: 65px; }
  .topic-button { min-height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
}
@media (forced-colors: active) {
  #galaxyCanvas, .space-wash, .space-grain { display: none; }
  .topic-button, .atlas-search, .classic-card { border-color: CanvasText; }
  .topic-button[aria-pressed="true"] { color: Highlight; }
}