:root {
  --blue: #1452a3;
  --blue-dark: #0c3b79;
  --blue-paper: #eef5fc;
  --yellow: #f2bf49;
  --yellow-dark: #7b5200;
  --yellow-paper: #fff8df;
  --teal: #008b83;
  --teal-dark: #006c66;
  --teal-paper: #eaf8f7;
  --red: #bd2f2a;
  --success: #087a48;
  --success-paper: #edf8f1;
  --rank-first-text: #684600;
  --rank-first-border: #d9a926;
  --rank-first-fill: #fff4c7;
  --rank-second-text: #374556;
  --rank-second-border: #aab5c2;
  --rank-second-fill: #edf1f5;
  --rank-third-text: #714224;
  --rank-third-border: #c58d68;
  --rank-third-fill: #f6e5d8;
  --ink: #171a1f;
  --text: #3d4651;
  --muted: #66717d;
  --line: #cbd4df;
  --line-soft: #e5eaf0;
  --wash: #f5f8fc;
  --paper: #fff;
  --sans: "Noto Sans", sans-serif;
  --serif: "Castoro", Georgia, serif;
  --figure-width: 1160px;
  --prose-width: 900px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1rem; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--blue) 0 74%, var(--yellow) 74%);
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: .16em; }
a:hover { color: var(--blue-dark); }
button, select, input { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
mark { color: inherit; }
blockquote { margin: 0; }
table { border-collapse: collapse; }
:focus-visible { outline: 3px solid #0b57b0; outline-offset: 3px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.container { width: min(calc(100% - 40px), var(--prose-width)); margin-inline: auto; }
.container.wide { width: min(calc(100% - 40px), var(--figure-width)); }
.container.flush { width: 100%; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .94em; }
.blue { color: var(--blue); }
.yellow { color: var(--yellow-dark); }
.section { padding: 3.7rem 0; border-top: 1px solid var(--line-soft); }
.section.alt { background: var(--wash); }
#abstract { padding-top: 1rem; }
.section-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.16;
  text-align: center;
}
.section-subtitle {
  max-width: 820px;
  margin: 0 auto 1.75rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.58;
  text-align: center;
}
.body-copy {
  max-width: var(--prose-width);
  margin-inline: auto;
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.78;
}
.body-copy p { margin: 0; }

/* Scholarly identity */
.publication-header { padding: 1.35rem 0 .75rem; text-align: center; }
.publication-title {
  max-width: 1040px;
  margin: .32rem auto 0;
  font-size: clamp(1.9rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.12;
  text-wrap: balance;
}
.publication-title-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .2em;
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1;
  white-space: nowrap;
}
.publication-title-icon { width: 2.15em; height: auto; flex: 0 0 auto; }
.project-name { white-space: nowrap; }
.publication-authors { margin-top: .55rem; color: var(--blue); font-size: .98rem; font-weight: 600; }
.publication-venue { margin-top: .1rem; color: var(--muted); font-size: .9rem; }
.publication-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; margin-top: .65rem; }
.paper-button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: .45rem;
  padding: 0 .72rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
  text-decoration: none;
  font-size: .82rem;
  font-weight: 700;
  line-height: 1;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.paper-button:hover { color: var(--blue-dark); border-color: var(--blue); background: var(--blue-paper); transform: translateY(-1px); }
.paper-button.primary { color: var(--blue-dark); border-color: var(--blue); background: #fff; }
.paper-button.primary:hover { background: var(--blue-paper); }
.paper-button.disabled { cursor: default; opacity: .72; }
.paper-button.disabled:hover { transform: none; }
.paper-button svg { width: 17px; height: 17px; }

/* First-viewport evidence rail and figure */
.result-strip { border-block: 1px solid var(--line); background: var(--wash); }
.result-grid {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  margin: 0;
  color: var(--text);
  font-size: .87rem;
  line-height: 1.35;
  text-align: center;
}
.result-stat {
  display: inline-flex;
  align-items: baseline;
  gap: .28rem;
}
.result-stat strong {
  flex: 0 0 auto;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 400;
}
.result-stat:nth-of-type(2) strong { color: var(--yellow-dark); }
.result-separator { color: var(--line); font-size: 1.1rem; }
.teaser { padding: .85rem 0 .7rem; }
.teaser-figure { width: min(100%, 1080px); margin: 0 auto; }
.teaser-frame {
  display: block;
  padding: 8px;
  border: 1px solid var(--line);
  background: #fff;
}
.teaser-frame img { width: 100%; }
.teaser-caption {
  max-width: 900px;
  margin: .52rem auto 0;
  color: var(--text);
  font-family: var(--serif);
  font-size: .95rem;
  text-align: center;
}
figcaption { margin-top: .45rem; color: var(--muted); font-family: var(--serif); font-size: .86rem; line-height: 1.45; }
figcaption b { color: var(--ink); }
.mobile-figure-note { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .teaser-frame img { animation: figure-reveal .65s cubic-bezier(.22, 1, .36, 1) both; }
}
@keyframes figure-reveal {
  from { opacity: .35; clip-path: inset(0 0 8% 0); transform: translateY(6px); }
  to { opacity: 1; clip-path: inset(0); transform: none; }
}

/* Motivation */
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.insight { display: grid; grid-template-rows: auto 1fr auto; padding: 1.45rem 1.55rem; }
.insight + .insight { border-left: 1px solid var(--line); }
.insight-label {
  color: var(--blue);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.insight:nth-child(2) .insight-label { color: var(--yellow-dark); }
.insight h3 { margin: .25rem 0 .55rem; font-size: 1.12rem; line-height: 1.38; }
.insight p { margin: 0; color: var(--text); font-family: var(--serif); font-size: .96rem; }
.insight-stats {
  margin-top: .85rem;
  border-top: 1px solid var(--line-soft);
}
.insight-stat {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  align-items: baseline;
  gap: .75rem;
  padding: .55rem 0;
  color: var(--blue);
  font-family: var(--serif);
}
.insight-stat + .insight-stat { border-top: 1px solid var(--line-soft); }
.insight:nth-child(2) .insight-stat { color: var(--yellow-dark); }
.insight-stat strong { font-size: 1.35rem; line-height: 1; }
.insight-stat small { color: var(--muted); font-family: var(--sans); font-size: .8rem; line-height: 1.42; }
.paper-figure { margin: 1.5rem 0 0; }
.paper-figure a { display: block; border: 1px solid var(--line); background: #fff; }
.paper-figure img { width: 100%; }

/* Method selector */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  max-width: 920px;
  margin: 0 auto 1rem;
}
.method-card {
  display: grid;
  grid-template-columns: 28px 1fr 25px;
  min-height: 58px;
  align-items: center;
  gap: .6rem;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.method-card:hover { transform: translateY(-1px); }
.method-card:active { transform: translateY(1px); }
.method-card[data-method-control="index"]:hover { border-color: var(--teal); background: var(--teal-paper); box-shadow: inset 0 -3px var(--teal); }
.method-card[data-method-control="scheme"]:hover { border-color: var(--blue); background: var(--blue-paper); box-shadow: inset 0 -3px var(--blue); }
.method-card[data-method-control="retrv"]:hover { border-color: var(--yellow-dark); background: var(--yellow-paper); box-shadow: inset 0 -3px var(--yellow); }
.method-card[aria-selected="true"] { color: #fff; }
.method-card[data-method-control="index"][aria-selected="true"] { border-color: var(--teal); background: var(--teal); box-shadow: inset 0 -3px var(--teal-dark); }
.method-card[data-method-control="scheme"][aria-selected="true"] { border-color: var(--blue); background: var(--blue); box-shadow: inset 0 -3px var(--blue-dark); }
.method-card[data-method-control="retrv"][aria-selected="true"] { color: #2f2306; border-color: var(--yellow-dark); background: var(--yellow); box-shadow: inset 0 -3px var(--yellow-dark); }
.method-tab-icon { display: grid; width: 26px; height: 26px; place-items: center; }
.method-tab-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.method-tab-copy { display: grid; gap: .02rem; line-height: 1.25; }
.method-name { display: block; }
.method-tab-copy small { color: var(--muted); font-size: .78rem; font-weight: 600; }
.method-card[aria-selected="true"] .method-tab-copy small { color: currentColor; opacity: .82; }
.method-tab-action { display: inline-grid; width: 24px; height: 24px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .9rem; }
.method-panel, .retrieval-workflow {
  margin: 0;
  border-block: 1px solid var(--line);
  background: #fff;
}
.construction-head, .workflow-head { display: block; padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }
.workflow-head { margin-top: 0; color: var(--ink); font-family: var(--sans); font-size: inherit; line-height: inherit; }
.construction-title, .workflow-title { margin: 0; color: var(--ink); font-family: var(--sans); font-size: 1.3rem; font-weight: 700; line-height: 1.3; }
.construction-intro, .workflow-intro { margin: .35rem 0 0; color: var(--text); font-family: var(--serif); font-size: .97rem; }

.view-table { width: 100%; color: var(--text); font-size: .92rem; line-height: 1.45; }
.view-table th, .view-table td { padding: .62rem .7rem; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; }
.view-table th:last-child, .view-table td:last-child { border-right: 0; }
.view-table thead th { color: var(--ink); background: var(--wash); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; }
.method-panel[data-method-focus="index"] .method-index-column { background: var(--teal-paper); }
.method-panel[data-method-focus="scheme"] .method-scheme-column { background: var(--blue-paper); }
.construction-detail { padding: .85rem 1.15rem; }
.construction-detail-panel { display: grid; grid-template-columns: minmax(180px, .36fr) 1fr; gap: 1rem; align-items: baseline; }
.construction-detail-panel h4, .workflow-detail-panel h4 { margin: 0; font-size: 1rem; }
.construction-detail-panel p, .workflow-detail-panel p { margin: 0; color: var(--text); font-size: .95rem; }

/* EgoRetrv workflow */
.workflow-stage-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; padding: .55rem; border-bottom: 1px solid var(--line); background: var(--wash); }
.workflow-stage-tab {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: .65rem;
  padding: .55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.workflow-stage-tab:hover { border-color: var(--yellow-dark); background: var(--yellow-paper); box-shadow: inset 0 -3px var(--yellow); transform: translateY(-1px); }
.workflow-stage-tab:active { transform: translateY(1px); }
.workflow-stage-tab[aria-selected="true"] { border-color: var(--yellow-dark); background: var(--yellow); box-shadow: inset 0 -3px var(--yellow-dark); }
.workflow-stage-icon { display: inline-grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--yellow-dark); }
.workflow-stage-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.75; }
.workflow-stage-copy { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem .6rem; font-size: .96rem; }
.workflow-stage-copy strong { font-size: 1.03rem; }
.workflow-stage-copy span { color: var(--text); }
.workflow-canvas { padding: 1rem; background: var(--wash); }
.workflow-question {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  background: #fff;
}
.workflow-question-label, .workflow-node-label, .query-field-label, .trace-question-label {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .065em;
  text-transform: uppercase;
}
.workflow-question p { flex: 1; margin: 0; font-size: 1rem; font-weight: 600; }
.workflow-question time { color: var(--blue-dark); font-size: .9rem; font-weight: 700; white-space: nowrap; }
.temporal-cue { padding: .02em .14em; background: var(--yellow); }
.workflow-path { display: grid; grid-template-columns: 1.1fr auto 1.15fr auto .85fr auto 1fr auto 1.1fr; align-items: stretch; gap: .35rem; margin-top: .7rem; }
.workflow-arrow { align-self: center; color: var(--muted); font-size: 1.15rem; }
.workflow-arrow-to-sampling { position: relative; min-width: 1.4rem; text-align: center; }
.workflow-arrow-to-sampling::after {
  position: absolute;
  top: 50%;
  left: -.1rem;
  width: .62rem;
  height: .62rem;
  border: 1px solid var(--yellow-dark);
  background: var(--yellow);
  content: "";
  opacity: 0;
  transform: translate(-20%, -50%) scale(.72);
}
.workflow-node { min-width: 0; padding: .7rem; border: 1px solid var(--line); background: #fff; }
.workflow-node h4 { margin: .05rem 0 .05rem; font-size: 1.02rem; line-height: 1.25; }
.workflow-node-label { display: block; margin-bottom: .45rem; }
.workflow-drafting { border-top: 4px solid var(--yellow); }
.workflow-sampling { border-top: 4px solid var(--yellow); }
.workflow-harness { border-top: 4px solid var(--blue); }
.workflow-pool { border-top: 4px solid var(--teal); }
.workflow-output { border-top: 4px solid var(--blue); }
.workflow-query-list { display: grid; gap: .42rem; }
.workflow-query { display: block; color: var(--text); font-size: .9rem; line-height: 1.4; }
.workflow-query strong { display: block; color: var(--ink); }
.workflow-query-note { display: block; margin-top: .22rem; color: var(--muted); font-size: .82rem; }
.workflow-node-heading { display: flex; align-items: center; gap: .36rem; }
.workflow-node-icon { display: inline-flex; flex: 0 0 auto; color: var(--blue); }
.workflow-node-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.workflow-drafting .workflow-node-icon, .workflow-sampling .workflow-node-icon { color: var(--yellow-dark); }
.workflow-pool .workflow-node-icon { color: var(--teal-dark); }
.workflow-score { margin: 0; color: var(--text); font-size: .84rem; text-align: center; }
.workflow-score strong { display: block; color: var(--ink); }
.workflow-score-equation { display: grid; margin-top: .25rem; font-weight: 700; }
.workflow-score-symbol { color: var(--blue); font-size: 1.05rem; }
.workflow-topk { margin: .45rem 0 0; padding-top: .4rem; border-top: 1px solid var(--line-soft); color: var(--blue-dark); font-size: .84rem; font-weight: 700; text-align: center; }
.workflow-atoms { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: .28rem; align-items: center; margin-top: .8rem; padding: .18rem .42rem .18rem 0; }
.workflow-atoms::before { position: absolute; top: 50%; right: .36rem; left: .08rem; height: 2px; background: linear-gradient(90deg, var(--teal), #7ba8d2 65%, var(--yellow) 86%, var(--yellow-dark)); content: ""; transform: translateY(-50%); }
.workflow-atoms::after { position: absolute; top: calc(50% - 4px); right: 0; border-width: 4px 0 4px 6px; border-style: solid; border-color: transparent transparent transparent var(--yellow-dark); content: ""; }
.workflow-atom { position: relative; z-index: 1; height: 1.4rem; border: 1px solid var(--line); box-shadow: 0 0 0 2px #fff; transition: opacity .24s ease, filter .24s ease, transform .24s ease; }
.workflow-atom:nth-child(1) { border-color: var(--teal); background: var(--teal-paper); }
.workflow-atom:nth-child(2) { border-color: #4faaa4; background: #dff3f1; }
.workflow-atom:nth-child(3) { border-color: #8aafd6; background: var(--blue-paper); }
.workflow-atom:nth-child(4) { border-color: #5f8fc5; background: #dceafa; }
.workflow-atom.is-related { border-color: var(--yellow); background: var(--yellow-paper); }
.workflow-atom.is-latest { border-color: var(--yellow-dark); background: var(--yellow); }
.workflow-time { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .3rem; margin-top: .5rem; color: var(--text); font-size: .72rem; font-weight: 800; line-height: 1; text-transform: lowercase; white-space: nowrap; }
.workflow-time > span:last-child { text-align: right; }
.workflow-time-axis { display: block; color: var(--muted); font-size: .65rem; font-weight: 700; letter-spacing: .06em; text-align: center; text-transform: uppercase; }
.workflow-time-axis > span { display: block; }
.workflow-pool-note { display: none; margin: .6rem 0 0; padding-top: .5rem; border-top: 1px solid var(--line-soft); color: var(--text); font-size: .72rem; font-weight: 650; line-height: 1.35; }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-pool-note { display: block; }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom.is-previous { opacity: .18; filter: grayscale(1); transform: scale(.84); }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom.is-latest { box-shadow: inset 0 0 0 1px var(--yellow-dark); transform: translateY(-3px) scale(1.08); }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-atoms::before { background: linear-gradient(90deg, #e1e6eb 0 82%, var(--yellow) 82%, var(--yellow-dark) 100%); }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-time > span:first-child, .retrieval-workflow[data-workflow-stage="sampling"] .workflow-time-axis { opacity: .34; }
.retrieval-workflow[data-workflow-stage="sampling"] .workflow-time > span:last-child { color: var(--yellow-dark); }
.workflow-thinking { padding: .45rem; border: 1px solid var(--yellow); background: var(--yellow-paper); color: var(--text); font-family: var(--serif); font-size: .84rem; line-height: 1.35; }
.workflow-thinking span, .workflow-thinking strong { display: block; }
.workflow-output blockquote { margin: 0; color: var(--text); font-size: .86rem; line-height: 1.38; }
.workflow-answer { display: inline-block; margin-top: .32rem; color: var(--blue-dark); font-size: .8rem; font-weight: 700; line-height: 1.25; }
.workflow-detail { border-top: 1px solid var(--line); }
.workflow-detail-panel { display: grid; grid-template-columns: minmax(150px, .24fr) 1fr; gap: 1rem; padding: .8rem 1.15rem; align-items: baseline; }

@media (prefers-reduced-motion: no-preference) {
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom.is-previous { animation: workflow-index-dismiss .38s cubic-bezier(.16, 1, .3, 1) both; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom:nth-child(1) { animation-delay: .04s; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom:nth-child(2) { animation-delay: .09s; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom:nth-child(3) { animation-delay: .14s; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom:nth-child(4) { animation-delay: .19s; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom:nth-child(5) { animation-delay: .24s; }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-atom.is-latest {
    animation: workflow-index-keep .46s cubic-bezier(.16, 1, .3, 1) .3s both;
  }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-pool-note {
    animation: workflow-pool-note-reveal .32s cubic-bezier(.16, 1, .3, 1) .5s both;
  }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-arrow-to-sampling::after {
    animation: workflow-index-transfer .58s cubic-bezier(.16, 1, .3, 1) .62s both;
  }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-sampling {
    animation: workflow-sampling-receive .4s cubic-bezier(.16, 1, .3, 1) 1.08s both;
  }
  .retrieval-workflow[data-workflow-stage="sampling"] .workflow-thinking {
    animation: workflow-thinking-confirm .36s cubic-bezier(.16, 1, .3, 1) 1.22s both;
  }
}

@keyframes workflow-index-dismiss {
  0% { opacity: 1; filter: grayscale(0); transform: scale(1); }
  100% { opacity: .18; filter: grayscale(1); transform: scale(.84); }
}

@keyframes workflow-index-keep {
  0% { box-shadow: inset 0 0 0 0 var(--yellow-dark); transform: translateY(0) scale(1); }
  55% { box-shadow: inset 0 0 0 2px var(--yellow-dark); transform: translateY(-5px) scale(1.12); }
  100% { box-shadow: inset 0 0 0 1px var(--yellow-dark); transform: translateY(-3px) scale(1.08); }
}

@keyframes workflow-pool-note-reveal {
  0% { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes workflow-index-transfer {
  0% { opacity: 0; transform: translate(-20%, -50%) scale(.72); }
  18% { opacity: 1; }
  78% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(100% + .65rem), -50%) scale(1); }
}

@keyframes workflow-sampling-receive {
  0% { border-color: var(--line); background: #fff; }
  55% { border-color: var(--yellow-dark); background: var(--yellow-paper); }
  100% { border-color: var(--yellow); background: #fffdf5; }
}

@keyframes workflow-thinking-confirm {
  0% { clip-path: inset(0 100% 0 0); }
  100% { clip-path: inset(0); }
}

/* Experiments */
.benchmark-summary { border: 1px solid var(--line); background: #fff; }
.benchmark-intro { display: grid; grid-template-columns: 105px 1fr; gap: .28rem 1rem; padding: .9rem 1rem; background: var(--wash); }
.benchmark-intro p { margin: 0; color: var(--text); font-size: .93rem; }
.benchmark-metrics-label { grid-row: 1 / span 2; }
.table-guide { display: flex; min-height: 40px; align-items: center; gap: .45rem; padding: .38rem .7rem; border-top: 1px solid var(--line); background: #fff; }
.table-guide-label { margin-right: .2rem; color: var(--muted); font-size: .76rem; font-weight: 700; letter-spacing: .045em; text-transform: uppercase; }
.rank-key { display: inline-flex; align-items: center; gap: .28rem; color: var(--muted); font-size: .76rem; }
.rank-key strong { display: inline-flex; min-width: 2.15rem; min-height: 1.35rem; align-items: center; justify-content: center; border: 1px solid; border-radius: 999px; font-size: .72rem; }
.rank-key-first strong { color: var(--rank-first-text); border-color: var(--rank-first-border); background: var(--rank-first-fill); }
.rank-key-second strong { color: var(--rank-second-text); border-color: var(--rank-second-border); background: var(--rank-second-fill); }
.rank-key-third strong { color: var(--rank-third-text); border-color: var(--rank-third-border); background: var(--rank-third-fill); }
.table-scroll-hint { display: none; margin-left: auto; color: var(--blue-dark); font-size: .74rem; font-weight: 700; }
.table-scroll, .result-table-wrap { overflow-x: auto; scrollbar-color: #8da3ba #eef2f6; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.benchmark-table, .result-detail-table { width: 100%; min-width: 860px; color: var(--text); font-size: .88rem; line-height: 1.35; font-variant-numeric: tabular-nums; }
.benchmark-table .method-col { width: 22%; }
.benchmark-table .token-col { width: 11%; }
.benchmark-table .metric-col { width: 11.16%; }
.benchmark-table th, .benchmark-table td, .result-detail-table th, .result-detail-table td {
  padding: .54rem .58rem;
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
}
.benchmark-table th:first-child, .benchmark-table td:first-child, .result-detail-table th:first-child { text-align: left; }
.benchmark-table thead th, .result-detail-table thead th { color: var(--ink); background: #f0f3f7; font-size: .78rem; font-weight: 800; }
.benchmark-table .accuracy-group { color: var(--blue-dark); background: var(--blue-paper); }
.benchmark-table .hit-group { color: var(--yellow-dark); background: var(--yellow-paper); }
.benchmark-table thead tr:nth-child(2) th:nth-child(-n + 3) { background: var(--blue-paper); }
.benchmark-table thead tr:nth-child(2) th:nth-child(n + 4) { background: var(--yellow-paper); }
.benchmark-table thead tr:nth-child(2) th:nth-child(4), .benchmark-table tbody tr:not(.group) > :nth-child(6) { border-left: 2px solid #d7bf74; }
.benchmark-table tbody + tbody tr:first-child > * { border-top: 1px solid var(--line); }
.benchmark-table tbody tr:not(.group):hover > *, .result-detail-table tbody tr:not(.group):hover > * { background: #f8fafc; }
.benchmark-table .group > *, .result-detail-table .group > * { padding-block: .38rem; color: #526171; background: #eef2f6; font-size: .73rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.benchmark-table .ours-row > *, .result-detail-table .ours-result > * { background: var(--blue-paper); }
.benchmark-table .ours-row > :first-child { color: var(--blue-dark); font-weight: 800; }
.benchmark-table td[data-rank="1"], .result-detail-table td[data-rank="1"] { background: #fffaf0; font-weight: 800; }
.benchmark-table td[data-rank="2"], .result-detail-table td[data-rank="2"] { background: #f7f9fb; font-weight: 750; }
.benchmark-table td[data-rank="3"], .result-detail-table td[data-rank="3"] { background: #fff8f2; font-weight: 700; }
.rank-cell-content { display: inline-flex; align-items: center; justify-content: center; gap: .28rem; }
.rank-badge {
  display: inline-flex;
  min-width: 2.15rem;
  min-height: 1.35rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: .7rem;
  font-weight: 800;
  line-height: 1;
}
[data-rank="1"] .rank-badge { color: var(--rank-first-text); background: var(--rank-first-fill); border-color: var(--rank-first-border); }
[data-rank="2"] .rank-badge { color: var(--rank-second-text); background: var(--rank-second-fill); border-color: var(--rank-second-border); }
[data-rank="3"] .rank-badge { color: var(--rank-third-text); background: var(--rank-third-fill); border-color: var(--rank-third-border); }

.interactive-results { margin-top: 1.5rem; }
.figure-switcher { margin-bottom: .9rem; }
.figure-switcher-head { display: flex; align-items: center; justify-content: center; margin-bottom: .5rem; text-align: center; }
.figure-switcher-title { margin: 0; color: var(--text); font-size: 1rem; }
.figure-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.figure-tab {
  display: grid;
  grid-template-columns: 27px 1fr 24px;
  min-height: 52px;
  align-items: center;
  gap: .58rem;
  padding: .5rem .72rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.figure-tab:hover { color: var(--blue-dark); border-color: #7399c4; background: var(--blue-paper); box-shadow: inset 0 -3px #7399c4; transform: translateY(-1px); }
.figure-tab:active { transform: translateY(1px); }
.figure-tab[aria-selected="true"] { color: #fff; border-color: var(--blue); background: var(--blue); box-shadow: inset 0 -3px var(--blue-dark); }
.figure-tab-icon { display: inline-grid; width: 27px; height: 27px; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.figure-tab-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.figure-tab-copy, .figure-tab-title { display: block; }
.figure-tab-title { font-size: .92rem; font-weight: 800; }
.figure-tab-action { display: inline-grid; width: 23px; height: 23px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .85rem; font-weight: 800; }
.interactive-figure { margin: 0; border-block: 1px solid var(--line); background: #fff; }
.interactive-figure-head { padding: 1rem 1.15rem .85rem; }
.interactive-figure-title { margin: 0; font-size: 1.32rem; line-height: 1.3; }
.result-evaluation, .result-statement, .figure-insight { margin: .28rem 0 0; color: var(--text); font-family: var(--serif); font-size: .94rem; line-height: 1.52; }
.result-statement strong { color: var(--blue-dark); }
.figure-insight strong { color: var(--yellow-dark); }
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .62rem .8rem;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  background: var(--wash);
}
.chart-segmented, .chart-legend { display: flex; flex-wrap: wrap; align-items: center; gap: .38rem; }
.toolbar-label { margin-right: .12rem; color: var(--muted); font-size: .74rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.chart-segmented button, .legend-toggle, .legend-reset {
  min-height: 36px;
  padding: .3rem .68rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  font-size: .78rem;
  font-weight: 700;
  transition: background .14s ease, border-color .14s ease, box-shadow .14s ease, opacity .14s ease, transform .14s ease;
}
.chart-segmented button:hover, .legend-toggle:hover, .legend-reset:hover { border-color: var(--blue); transform: translateY(-1px); }
.chart-segmented button[aria-pressed="true"] { color: #fff; border-color: var(--blue); background: var(--blue); box-shadow: inset 0 -2px var(--blue-dark); }
.chart-segmented button[aria-pressed="true"]::after { content: "✓"; margin-left: .35rem; }
.legend-toggle { border-color: color-mix(in srgb, var(--series-color) 68%, #cbd4df); }
.legend-toggle[aria-pressed="true"] { color: var(--ink); border-color: var(--series-color); background: color-mix(in srgb, var(--series-color) 9%, white); box-shadow: inset 0 -2px var(--series-color); }
.legend-toggle[aria-pressed="false"] { opacity: .52; background: #fff; text-decoration: line-through; }
.legend-swatch { display: inline-block; width: .72rem; height: .72rem; margin-right: .34rem; border: 2px solid #fff; border-radius: 50%; background: var(--series-color, var(--blue)); box-shadow: 0 0 0 1px var(--series-color, var(--blue)); vertical-align: -.06em; }
.legend-reset { color: var(--blue-dark); }
.chart-stage { position: relative; min-height: 400px; padding: .7rem 1rem; }
.chart-fallback { width: min(100%, 880px); margin-inline: auto; }
.interactive-figure.is-interactive .chart-fallback { display: none; }
.chart-canvas-wrap { width: min(100%, 900px); height: 430px; margin-inline: auto; }
.chart-canvas-wrap canvas { width: 100% !important; height: 100% !important; }
.chart-inspector { padding: .65rem .9rem; border-top: 1px solid var(--line); background: var(--wash); }
.day-range { display: grid; grid-template-columns: 220px 1fr; gap: 1rem; align-items: center; }
.day-range span { display: flex; justify-content: space-between; gap: .5rem; font-size: .85rem; font-weight: 700; }
.day-values { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .45rem; margin-top: .6rem; }
.day-value { display: grid; gap: .05rem; padding: .45rem .55rem; border: 1px solid var(--line-soft); border-bottom: 3px solid var(--series-color, var(--blue)); background: #fff; font-size: .8rem; }
.day-value strong { color: var(--ink); font-size: .9rem; }
.day-value span { color: var(--muted); line-height: 1.25; }
.tradeoff-inspector { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .7rem 1rem; }
.tradeoff-inspector label { display: flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 700; }
.tradeoff-inspector select { min-height: 36px; padding: .3rem .45rem; border: 1px solid var(--line); background: #fff; font-weight: 700; }
.tradeoff-output { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .4rem; color: var(--text); font-size: .8rem; }
.tradeoff-value { display: grid; gap: .04rem; padding: .38rem .48rem; border-left: 2px solid var(--blue); background: #fff; }
.tradeoff-value strong { color: var(--ink); font-size: .86rem; }
.tradeoff-value span { color: var(--muted); font-weight: 600; }
.chart-instruction { margin: 0; padding: .55rem .9rem; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: .8rem; }
.result-table-wrap { margin: 0 1.15rem 1rem; border: 1px solid var(--line); }
.result-table-wrap.narrow { width: min(calc(100% - 2.3rem), 780px); margin-inline: auto; }
.result-detail-table { min-width: 620px; }
.habit-table thead tr:nth-child(2) th { text-align: center; }
.result-detail-table .ours-group > * { color: var(--blue-dark); background: var(--blue-paper); }
.result-detail-table .metric-group { color: var(--blue-dark); background: var(--blue-paper); }
.best-cell, .category-best { font-weight: 800; }
.dataset-label, .round-note { display: block; color: var(--muted); font-size: .75rem; font-weight: 500; }

/* Trace examples */
.examples-type-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; max-width: 1160px; margin: 0 auto 1rem; }
.examples-type-tab { display: grid; grid-template-columns: 28px 1fr 25px; min-height: 58px; align-items: center; gap: .6rem; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 4px; background: #fff; box-shadow: inset 0 -3px #e4e9ef; cursor: pointer; font-size: .96rem; font-weight: 800; text-align: left; transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease; }
.examples-type-tab:hover { transform: translateY(-1px); }
.examples-type-tab:active { transform: translateY(1px); }
.examples-type-tab[data-example-type-tab="index"]:hover { color: var(--teal-dark); border-color: var(--teal); background: var(--teal-paper); box-shadow: inset 0 -3px var(--teal); }
.examples-type-tab[data-example-type-tab="retrv"]:hover { border-color: var(--yellow-dark); background: var(--yellow-paper); box-shadow: inset 0 -3px var(--yellow); }
.examples-type-tab[data-example-type-tab="scheme"]:hover { color: var(--blue-dark); border-color: var(--blue); background: var(--blue-paper); box-shadow: inset 0 -3px var(--blue); }
.examples-type-tab[data-example-type-tab="index"][aria-selected="true"] { color: #fff; border-color: var(--teal); background: var(--teal); box-shadow: inset 0 -3px var(--teal-dark); }
.examples-type-tab[data-example-type-tab="retrv"][aria-selected="true"] { color: #2f2306; border-color: var(--yellow-dark); background: var(--yellow); box-shadow: inset 0 -3px var(--yellow-dark); }
.examples-type-tab[data-example-type-tab="scheme"][aria-selected="true"] { color: #fff; border-color: var(--blue); background: var(--blue); box-shadow: inset 0 -3px var(--blue-dark); }
.examples-type-icon, .examples-type-action { display: inline-grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.examples-type-icon { width: 28px; height: 28px; }
.examples-type-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.examples-type-action { width: 24px; height: 24px; font-size: .88rem; }
.scheme-examples, .index-examples { border-block: 1px solid var(--line); background: #fff; }
.scheme-example-tabs, .index-example-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; padding: .55rem; border-bottom: 1px solid var(--line); background: var(--wash); }
.scheme-example-tab {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 24px;
  min-height: 60px;
  align-items: center;
  gap: .6rem;
  padding: .48rem .65rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.index-example-tab {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 24px;
  min-height: 60px;
  align-items: center;
  gap: .6rem;
  padding: .48rem .65rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.scheme-example-tab:hover { border-color: var(--blue); background: var(--blue-paper); box-shadow: inset 0 -3px var(--blue); transform: translateY(-1px); }
.index-example-tab:hover { color: var(--teal-dark); border-color: var(--teal); background: var(--teal-paper); box-shadow: inset 0 -3px var(--teal); transform: translateY(-1px); }
.scheme-example-tab:active { transform: translateY(1px); }
.index-example-tab:active { transform: translateY(1px); }
.scheme-example-tab[aria-selected="true"] { color: #fff; border-color: var(--blue); background: var(--blue); box-shadow: inset 0 -3px var(--blue-dark); }
.index-example-tab[aria-selected="true"] { color: #fff; border-color: var(--teal); background: var(--teal); box-shadow: inset 0 -3px var(--teal-dark); }
.scheme-tab-icon { display: inline-grid; width: 31px; height: 31px; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--blue); }
.index-tab-icon { display: inline-grid; width: 31px; height: 31px; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--teal); }
.scheme-tab-icon svg, .index-tab-icon svg, .retrieval-tab-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.scheme-example-tab[aria-selected="true"] .scheme-tab-icon { color: #fff; }
.index-example-tab[aria-selected="true"] .index-tab-icon { color: #fff; }
.scheme-example-tab strong, .scheme-example-tab small, .index-example-tab strong, .index-example-tab small { display: block; }
.scheme-example-tab strong, .index-example-tab strong { font-size: .92rem; line-height: 1.25; }
.scheme-example-tab small, .index-example-tab small { margin-top: .08rem; color: var(--muted); font-size: .75rem; font-weight: 600; line-height: 1.3; }
.scheme-example-tab[aria-selected="true"] small { color: #dceaff; }
.index-example-tab[aria-selected="true"] small { color: #d9f3f1; }
.scheme-tab-action { display: inline-grid; width: 24px; height: 24px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .85rem; }
.scheme-example-panel, .index-example-panel { padding: .85rem; }
.scheme-example-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: .65rem; padding-bottom: .55rem; border-bottom: 1px solid var(--line); }
.scheme-example-heading div { display: grid; }
.scheme-example-heading span, .scheme-caption > span { color: var(--blue-dark); font-size: .73rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.scheme-example-heading strong { font-family: var(--serif); font-size: 1.06rem; line-height: 1.35; }
.scheme-example-heading p { max-width: 470px; margin: 0; color: var(--text); font-size: .94rem; line-height: 1.45; text-align: right; }
.scheme-source-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: .7rem; }
.scheme-frame-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px; min-width: 0; height: 230px; margin: 0; padding: 3px; background: var(--ink); }
.scheme-frame-strip div { position: relative; min-width: 0; overflow: hidden; background: #000; }
.scheme-frame-strip img { width: 100%; height: 100%; object-fit: cover; }
.scheme-frame-strip time { position: absolute; right: .35rem; bottom: .35rem; padding: .1rem .32rem; color: #fff; background: rgb(0 0 0 / 76%); font-size: .75rem; font-weight: 800; }
.scheme-caption { height: 230px; overflow-y: auto; padding: .65rem .75rem; border: 1px solid var(--line); background: var(--wash); scrollbar-gutter: stable; }
.scheme-caption p { margin: .25rem 0 0; color: var(--text); font-family: var(--serif); font-size: .94rem; line-height: 1.55; }
.scheme-index-comparison { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: .7rem; border: 1px solid var(--line); }
.scheme-method { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.scheme-method + .scheme-method { border-left: 1px solid var(--line); }
.scheme-method > header { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; padding: .55rem .65rem; border-bottom: 1px solid var(--line); background: #f6f7f9; }
.scheme-method > header strong { font-size: 1rem; }
.scheme-method > header span { color: var(--muted); font-size: .73rem; font-weight: 700; text-align: right; }
.scheme-method.egocite-method > header { color: #fff; background: var(--blue); }
.scheme-method.egocite-method > header span { color: #dceaff; }
.scheme-index-list { display: grid; align-content: start; }
.scheme-index-list code { display: block; min-width: 0; padding: .5rem .62rem; border-bottom: 1px solid var(--line-soft); color: var(--ink); background: #fff; font-family: var(--sans); font-size: .88rem; font-weight: 650; line-height: 1.42; overflow-wrap: anywhere; }
.scheme-method.egocite-method .scheme-index-list code { background: var(--blue-paper); }
.scheme-index-view { display: block; width: max-content; margin-bottom: .16rem; color: var(--blue-dark); font-size: .65rem; font-weight: 850; letter-spacing: .07em; line-height: 1.2; text-transform: uppercase; }
.scheme-inline-issue { color: var(--red); font-weight: 850; }
.scheme-inline-good { color: var(--success); font-weight: 850; }
.scheme-method > p { margin: 0; padding: .58rem .65rem; border-top: 1px solid #e8b6b2; border-left: 4px solid var(--red); color: var(--text); background: #fff1ef; font-size: .88rem; line-height: 1.45; }
.scheme-method.egocite-method > p { border-top-color: #a9d6bb; border-left-color: var(--success); background: var(--success-paper); }
.scheme-method > p strong { color: var(--red); }
.scheme-method.egocite-method > p strong { color: var(--success); }
.index-view-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.06fr); gap: .65rem; margin-top: .7rem; }
.index-coarse-stack { display: grid; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: .65rem; min-width: 0; }
.index-view-card { display: grid; grid-template-rows: auto 1fr; min-width: 0; border: 1px solid var(--line); background: #fff; }
.index-view-card > header { display: grid; gap: .08rem; padding: .52rem .65rem; border-bottom: 1px solid var(--line); }
.index-view-card > header strong { font-size: 1rem; line-height: 1.25; }
.index-view-card > header small { font-size: .75rem; font-weight: 700; line-height: 1.35; }
.index-action-view > header, .index-activity-view > header { color: var(--teal-dark); background: var(--teal-paper); }
.index-utterance-view > header, .index-conversation-view > header { color: var(--blue-dark); background: var(--blue-paper); }
.index-view-card ul { display: grid; align-content: start; margin: 0; padding: 0; list-style: none; }
.index-view-card li { padding: .58rem .65rem; color: var(--text); font-family: var(--serif); font-size: .92rem; line-height: 1.48; }
.index-view-card li + li { border-top: 1px solid var(--line-soft); }
.index-view-insight { margin: .65rem 0 0; padding: .58rem .7rem; border: 1px solid #afd8d4; color: var(--text); background: var(--teal-paper); font-family: var(--serif); font-size: .92rem; line-height: 1.5; }
.index-view-insight strong { color: var(--teal-dark); }
.retrieval-demo { margin: 0; border-block: 1px solid var(--line); background: #fff; }
.retrieval-example-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; padding: .55rem; border-bottom: 1px solid var(--line); background: var(--wash); }
.retrieval-tab {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  min-height: 58px;
  align-items: center;
  gap: .6rem;
  padding: .5rem .7rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 -3px #e4e9ef;
  cursor: pointer;
  text-align: left;
  transition: color .14s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.retrieval-tab:hover { border-color: var(--yellow-dark); background: var(--yellow-paper); box-shadow: inset 0 -3px var(--yellow); transform: translateY(-1px); }
.retrieval-tab:active { transform: translateY(1px); }
.retrieval-tab[aria-selected="true"] { border-color: var(--yellow-dark); background: var(--yellow); box-shadow: inset 0 -3px var(--yellow-dark); }
.retrieval-tab-icon { display: inline-grid; width: 30px; height: 30px; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--yellow-dark); }
.retrieval-tab-label { color: var(--ink); font-size: .9rem; font-weight: 800; }
.retrieval-tab-shift { color: var(--blue-dark); font-size: .84rem; font-weight: 800; white-space: nowrap; }
.retrieval-panel { padding: 1rem; }
.trace-question {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .8rem;
  padding: .72rem .85rem;
  border: 1px solid var(--yellow);
  background: var(--yellow-paper);
}
.trace-question-text { font-size: 1.05rem; font-weight: 700; line-height: 1.38; }
.question-time { color: var(--blue-dark); font-size: .92rem; font-weight: 800; white-space: nowrap; }
.query-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: .7rem; border: 1px solid var(--line); }
.query-field { min-width: 0; padding: .65rem .75rem; }
.query-field + .query-field { border-left: 1px solid var(--line); }
.query-field-label { display: block; margin-bottom: .2rem; }
.query-field code { color: var(--ink); font-family: var(--sans); font-size: .96rem; font-weight: 700; overflow-wrap: anywhere; }
.rank-shift {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .75rem;
  max-width: 760px;
  margin: .85rem auto;
}
.rank-state { display: flex; align-items: center; justify-content: center; gap: .75rem; padding: .55rem .7rem; border: 1px solid var(--line); }
.rank-state:last-child { background: var(--yellow-paper); border-color: var(--yellow); }
.rank-number { color: var(--blue-dark); font-family: var(--serif); font-size: 1.8rem; line-height: 1; }
.rank-state:last-child .rank-number { color: var(--yellow-dark); }
.rank-copy { display: grid; font-size: .86rem; line-height: 1.35; }
.rank-copy strong { font-size: .93rem; }
.rank-arrow { display: grid; justify-items: center; color: var(--red); font-size: .76rem; font-weight: 800; }
.rank-arrow strong { font-size: 1.4rem; line-height: 1; }
.ranking-comparison { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.ranking-column + .ranking-column { border-left: 1px solid var(--line); }
.ranking-head { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; padding: .55rem .7rem; border-bottom: 1px solid var(--line); background: var(--wash); }
.ranking-column.with-time .ranking-head { background: var(--yellow-paper); }
.ranking-head strong { font-size: .94rem; }
.ranking-head span { color: var(--muted); font-size: .76rem; text-align: right; }
.ranking-list { display: grid; }
.ranking-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 145px;
  min-height: 64px;
  align-items: center;
  gap: .5rem;
  padding: .46rem .6rem;
  border-bottom: 1px solid var(--line-soft);
}
.ranking-row:last-child { border-bottom: 0; }
.ranking-row.is-target { background: var(--yellow-paper); }
.ranking-row.is-gap { display: block; min-height: 0; padding: .15rem; color: var(--muted); text-align: center; }
.ranking-index { color: var(--muted); font-family: var(--serif); font-size: 1.03rem; }
.ranking-memory { display: grid; color: var(--text); font-size: .92rem; line-height: 1.38; }
.ranking-memory time { color: var(--blue-dark); font-size: .82rem; font-weight: 800; }
.gt-badge { display: inline-block; padding: .05rem .26rem; color: #2f2306; background: var(--yellow); font-size: .75rem; text-transform: uppercase; }
.ranking-score { display: grid; justify-items: end; color: var(--ink); font-size: .88rem; font-weight: 800; white-space: nowrap; }
.ranking-score small { color: var(--muted); font-size: .75rem; font-weight: 500; }
.ranking-score-formula { font-size: .84rem; }
.trace-insight { margin: .7rem 0 0; padding: .65rem .75rem; border: 1px solid #b9cee8; background: var(--blue-paper); color: var(--text); font-family: var(--serif); font-size: .92rem; }

/* Citation */
.citation-card { border-block: 1px solid var(--line); background: var(--wash); }
.citation-status { display: block; padding: .45rem .75rem; border-bottom: 1px solid var(--line); color: var(--yellow-dark); font-size: .76rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.citation-code { margin: 0; padding: 1rem; overflow-x: auto; color: #29313a; font-size: .84rem; line-height: 1.6; }
footer { padding: 1.5rem 0; border-top: 1px solid var(--line); color: var(--muted); background: var(--wash); font-size: .8rem; text-align: center; }

@media (max-width: 980px) {
  .workflow-path { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .45rem; }
  .workflow-arrow { display: none; }
  .workflow-node { min-height: 190px; }
  .ranking-row { grid-template-columns: 25px minmax(0, 1fr) 128px; }
}

@media (max-width: 820px) {
  .section { padding: 3.1rem 0; }
  .result-grid { display: grid; grid-template-columns: 1fr; gap: .2rem; justify-content: stretch; padding: .5rem .65rem; text-align: left; }
  .result-stat { grid-column: 1; justify-content: flex-start; }
  .result-separator { display: none; }
  .two-column { grid-template-columns: 1fr; }
  .insight + .insight { border-left: 0; border-top: 1px solid var(--line); }
  .figure-tabs { grid-template-columns: repeat(2, 1fr); }
  .table-guide { flex-wrap: wrap; }
  .table-scroll-hint { display: block; flex-basis: 100%; margin-left: 0; }
  .tradeoff-output { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ranking-comparison { grid-template-columns: 1fr; }
  .ranking-column + .ranking-column { border-left: 0; border-top: 1px solid var(--line); }
  .retrieval-example-tabs { grid-template-columns: 1fr; }
  .scheme-example-tabs, .index-example-tabs, .scheme-index-comparison { grid-template-columns: 1fr; }
  .index-view-columns { grid-template-columns: 1fr 1fr; }
  .index-coarse-stack { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .scheme-method + .scheme-method { border-left: 0; border-top: 1px solid var(--line); }
  .scheme-source-grid { grid-template-columns: 1fr; }
  .scheme-caption { height: 230px; }
  .query-grid { grid-template-columns: 1fr; }
  .query-field + .query-field { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 680px) {
  .container, .container.wide { width: min(calc(100% - 28px), var(--figure-width)); }
  .publication-header { padding-top: 1.1rem; }
  .publication-title { max-width: 520px; font-size: clamp(1.7rem, 7.4vw, 2.15rem); }
  .publication-title-mark { white-space: normal; }
  .publication-links { gap: .4rem; }
  .paper-button { min-height: 38px; padding-inline: .72rem; font-size: .8rem; }
  .method-grid { grid-template-columns: 1fr; }
  .examples-type-tabs { grid-template-columns: 1fr; }
  .index-view-columns { grid-template-columns: 1fr; }
  .index-coarse-stack { grid-column: auto; grid-template-columns: 1fr; grid-template-rows: none; }
  .scheme-example-heading { align-items: flex-start; flex-direction: column; gap: .3rem; }
  .scheme-example-heading p { text-align: left; }
  .scheme-frame-strip { overflow-x: auto; grid-template-columns: repeat(3, 210px); height: 180px; }
  .construction-detail-panel, .workflow-detail-panel { grid-template-columns: 1fr; gap: .25rem; }
  .workflow-stage-tabs { grid-template-columns: 1fr; }
  .workflow-question { display: grid; grid-template-columns: auto 1fr; }
  .workflow-question p { grid-column: 1 / -1; grid-row: 2; }
  .workflow-question time { justify-self: end; }
  .workflow-path { grid-template-columns: 1fr; }
  .workflow-node { min-height: 0; }
  .benchmark-intro { grid-template-columns: 1fr; }
  .benchmark-metrics-label { grid-row: auto; }
  .table-guide-label { flex-basis: 100%; }
  .benchmark-table tr:not(.group) > :first-child, .benchmark-table thead > tr:first-child > :first-child, .result-detail-table tr:not(.group) > :first-child, .result-detail-table thead > tr:first-child > :first-child { position: sticky; left: 0; z-index: 2; background: #fff; box-shadow: 1px 0 var(--line); }
  .benchmark-table thead > tr:first-child > :first-child, .result-detail-table thead > tr:first-child > :first-child { z-index: 3; background: #f0f3f7; }
  .benchmark-table .ours-row > :first-child, .result-detail-table .ours-result > :first-child { background: var(--blue-paper); }
  .chart-toolbar { align-items: flex-start; flex-direction: column; }
  .chart-stage { min-height: 340px; padding-inline: .35rem; }
  .chart-canvas-wrap { height: 360px; }
  .day-range { grid-template-columns: 1fr; gap: .35rem; }
  .trace-question { grid-template-columns: 1fr; gap: .2rem; }
  .question-time { white-space: normal; }
  .rank-shift { grid-template-columns: 1fr; }
  .rank-arrow { transform: rotate(90deg); }
  .ranking-row { grid-template-columns: 24px minmax(0, 1fr); }
  .ranking-score { grid-column: 2; justify-items: start; }
  .tradeoff-inspector { grid-template-columns: 1fr; }
  .teaser-frame { overflow-x: auto; overscroll-behavior-inline: contain; }
  .teaser-frame img { width: 820px; max-width: none; }
  .teaser-figure { display: flex; width: 100%; flex-direction: column; }
  .mobile-figure-note { display: block; order: -1; padding: .42rem .55rem; border: 1px solid var(--line); border-bottom: 0; color: var(--blue-dark); background: var(--blue-paper); font-size: .78rem; font-weight: 700; text-align: center; }
}

@media (max-width: 520px) {
  body { font-size: 15.5px; }
  .section { padding: 2.7rem 0; }
  .section-title { font-size: 1.75rem; }
  .teaser { padding-bottom: 2.8rem; }
  .teaser-frame { padding: 4px; }
  .figure-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .4rem; }
  .figure-tab { grid-template-columns: 24px 1fr; min-height: 58px; gap: .48rem; padding: .45rem .55rem; }
  .figure-tab-icon { width: 24px; height: 24px; }
  .figure-tab-action { display: none; }
  .figure-tab-title { font-size: .86rem; line-height: 1.25; }
  .interactive-figure-head { padding-inline: .8rem; }
  .result-table-wrap { margin-inline: .65rem; }
  .retrieval-panel { padding: .65rem; }
  .scheme-example-panel, .index-example-panel { padding: .6rem; }
  .scheme-example-tab, .index-example-tab { min-height: 56px; }
  .ranking-head { align-items: flex-start; flex-direction: column; }
  .ranking-head span { text-align: left; }
  .tradeoff-output { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .figure-tabs { grid-template-columns: 1fr; }
}

@media print {
  body::before { display: none; }
  .paper-button, .figure-switcher, .chart-toolbar, .chart-inspector, .chart-instruction, .chart-canvas-wrap, .retrieval-example-tabs { display: none !important; }
  .interactive-figure[hidden], .retrieval-panel[hidden] { display: block !important; }
  .interactive-figure .chart-fallback { display: block !important; }
  .interactive-figure, .retrieval-panel { break-inside: avoid; }
  .section.alt, .workflow-canvas { background: #fff; }
}