:root {
  --bg: #f7f6f2;
  --paper: #fffefa;
  --ink: #1f2523;
  --muted: #68706c;
  --line: #dedbd2;
  --line-strong: #c8c4b9;
  --accent: #2f6f73;
  --accent-soft: #e1eeee;
  --gold: #a47731;
  --good-bg: #e5f4ea;
  --good: #247442;
  --bad-bg: #fae6e0;
  --bad: #af3f2f;
  --warn-bg: #fff4d8;
  --shadow: 0 18px 60px rgba(31, 37, 35, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(222, 219, 210, 0.75);
  background: rgba(247, 246, 242, 0.86);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 20px;
}

.nav a {
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.hero {
  display: grid;
  gap: 28px;
  align-items: start;
  max-width: 1560px;
  margin: 0 auto;
  padding: 54px 24px 42px;
}

.hero-copy {
  max-width: 1320px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 1320px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1;
  font-weight: 650;
  letter-spacing: 0;
}

.authors {
  margin: 18px auto 0;
  max-width: 900px;
  color: var(--muted);
  font-size: 16px;
}

.authors p {
  margin: 5px 0;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.project-button {
  display: inline-flex;
  min-width: 116px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 760;
}

.project-button:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.subtitle {
  margin: 22px auto 0;
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

.intro-figure {
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.intro-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

#leaderboard {
  max-width: 1560px;
}

#cases {
  max-width: 1560px;
}

#sycophancy {
  max-width: 1560px;
}

#metrics {
  max-width: 1560px;
}

#leaderboard .section-heading {
  max-width: 1180px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(5, minmax(132px, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
}

.segment {
  min-height: 36px;
  padding: 7px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.segment.is-active {
  background: var(--ink);
  color: var(--paper);
}

.toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.leaderboard-table {
  width: 100%;
  min-width: 1400px;
  border-collapse: collapse;
  font-size: 14px;
}

.leaderboard-table th,
.leaderboard-table td {
  position: relative;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}

.leaderboard-table th:last-child,
.leaderboard-table td:last-child {
  border-right: 0;
}

.leaderboard-table thead th {
  background: #f1efe8;
  color: #3d4541;
  font-weight: 750;
}

.leaderboard-table thead th.sortable {
  cursor: pointer;
  user-select: none;
}

.leaderboard-table thead th.sortable:hover {
  background: #e7eee9;
}

.sort-button {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: inherit;
  cursor: pointer;
}

.direction-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
}

.direction-arrow.up {
  color: var(--good);
}

.direction-arrow.down {
  color: var(--bad);
}

.sort-indicator {
  display: inline-block;
  min-width: 10px;
  color: var(--accent);
  font-size: 12px;
  line-height: 1;
}

.avg-cell .value {
  color: var(--accent);
}

.leaderboard-table tbody th {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 132px;
  background: var(--paper);
  text-align: left;
  font-weight: 760;
}

.leaderboard-table tbody tr:last-child th,
.leaderboard-table tbody tr:last-child td {
  border-bottom: 0;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.value {
  display: inline-flex;
  min-width: 42px;
  justify-content: center;
  font-variant-numeric: tabular-nums;
  font-weight: 760;
}

.metric-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 96px;
  min-height: 30px;
}

.delta {
  display: inline-flex;
  max-width: 0;
  margin-left: 0;
  padding: 1px 5px;
  border-radius: 999px;
  opacity: 0;
  overflow: hidden;
  transform: translateY(2px);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  transition: opacity 140ms ease, transform 140ms ease, max-width 140ms ease, margin-left 140ms ease;
}

.show-deltas .metric-cell,
.leaderboard-table td.is-hovered .metric-cell,
.leaderboard-table tr.is-row-hover td .metric-cell {
  justify-content: flex-start;
}

.show-deltas .delta,
.leaderboard-table td.is-hovered .delta,
.leaderboard-table tr.is-row-hover td .delta,
.leaderboard-table tr.is-row-hover th .delta {
  max-width: 76px;
  margin-left: 4px;
  opacity: 1;
  transform: translateY(0);
}

.delta.good {
  background: var(--good-bg);
  color: var(--good);
}

.delta.bad {
  background: var(--bad-bg);
  color: var(--bad);
}

.missing {
  color: #a19b90;
}

.leaderboard-table tr.is-row-hover th,
.leaderboard-table tr.is-row-hover td {
  background: #fbf7ea;
}

.leaderboard-table .is-col-hover {
  background: #eaf4f3;
}

.leaderboard-table td.is-hovered {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: #dfeeed;
}

.note {
  margin: 12px 2px 0;
  color: var(--muted);
  font-size: 13px;
}

.explainer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
  align-items: stretch;
}

.definition-panel,
.difference-list > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.definition-panel {
  padding: 24px;
}

.definition-panel .lead {
  margin: 0;
  color: var(--ink);
  font-family: inherit;
  font-size: clamp(18px, 1.4vw, 23px);
  font-weight: 720;
  line-height: 1.45;
}

.definition-panel p:not(.lead) {
  margin: 16px 0 0;
  color: var(--muted);
}

.mark {
  padding: 1px 5px;
  border-radius: 5px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.mark.memory {
  background: #fff0dc;
  color: #875a18;
}

.mark.evidence {
  background: #e4f3e8;
  color: var(--good);
}

.mark.scope {
  background: #e1eeee;
  color: var(--accent);
}

.mark.update {
  background: #f8e5df;
  color: var(--bad);
}

.text-accent {
  color: var(--accent);
  font-weight: 760;
}

.text-warn {
  color: var(--bad);
  font-weight: 760;
}

.example-strip {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 8px 12px;
  margin-top: 20px;
  padding: 16px;
  border-radius: 8px;
  background: #f5f3ed;
}

.example-strip p {
  margin: 0;
  color: #333936;
}

.trap-quote {
  display: inline;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bad-bg);
  color: var(--bad);
  font-weight: 720;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.failure-phrase {
  color: var(--bad);
  font-weight: 780;
}

.tag {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.difference-list {
  display: grid;
  gap: 12px;
}

.difference-list > div {
  padding: 18px;
}

.difference-list h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.difference-list p {
  margin: 0;
  color: var(--muted);
}

.case-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.case-tabs {
  display: grid;
  gap: 8px;
}

.case-tab {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.case-tab.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 760;
}

.case-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-panel-header {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  background: #f1efe8;
}

.case-panel-header h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.case-id {
  margin-top: 6px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.case-content {
  display: grid;
  gap: 16px;
  padding: 20px 24px 24px;
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.case-block {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfa;
}

.case-block h4 {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.case-block p {
  margin: 0;
  color: #333936;
  font-size: 14px;
}

.case-highlight {
  padding: 1px 5px;
  border-radius: 5px;
  font-weight: 760;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.case-highlight.memory {
  background: #fff0dc;
  color: #875a18;
}

.case-highlight.target {
  background: #e4f3e8;
  color: var(--good);
}

.case-highlight.evidence {
  background: #e1eeee;
  color: var(--accent);
}

.case-highlight.trap {
  background: var(--bad-bg);
  color: var(--bad);
}

.dialogue {
  display: grid;
  gap: 8px;
}

.turn {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f5f3ed;
  font-size: 13px;
}

.turn.search-turn {
  background: #eef5f4;
}

.turn span:last-child {
  white-space: pre-wrap;
}

.speaker {
  color: var(--gold);
  font-weight: 800;
}

.protocol {
  padding-bottom: 76px;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.protocol-grid > div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.protocol-grid h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.protocol-grid p {
  margin: 0;
  color: var(--muted);
}

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero,
  .explainer-grid,
  .case-layout,
  .protocol-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
  }

  .case-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qa-grid {
    grid-template-columns: 1fr;
  }

  .example-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .section {
    padding: 46px 16px;
  }

  .hero {
    padding: 28px 16px 32px;
  }

  .segmented,
  .case-tabs {
    width: 100%;
    grid-template-columns: 1fr;
    border-radius: 8px;
  }

  .segment {
    border-radius: 6px;
  }

  .turn {
    grid-template-columns: 1fr;
  }
}