/* ============================================================
   Article — "L'IA générative existe parce que le Transformer existe"
   ITIWE design system, direction A2 Manifeste Méthodologique
   ============================================================ */

@import url('assets/itiwe-tokens.css');

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#root { min-height: 100vh; }
a { color: inherit; text-decoration: none; cursor: pointer; }
button { font: inherit; }

/* ----------- Sticky header ----------- */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ink-10);
}
.hdr__inner {
  max-width: 1180px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.hdr__brand { display: inline-flex; align-items: center; gap: 10px; }
.hdr__brand svg { display: block; }
.hdr__wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.025em;
  font-size: 18px;
  color: var(--ink);
}
.hdr__crumbs {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-60);
  text-transform: uppercase;
}
.hdr__crumbs span { color: var(--vermillon); }
.hdr__progress {
  position: absolute; left: 0; bottom: -1px; height: 2px;
  background: var(--vermillon);
  width: 0; transition: width 80ms linear;
}

/* ----------- Wrappers ----------- */
.wrap {
  max-width: 760px; margin: 0 auto;
  padding: 0 32px;
}
.wrap--wide { max-width: 1120px; }
.wrap--narrow { max-width: 640px; }

section.sec { padding: 88px 0; position: relative; }
section.sec--warm { background: var(--paper-warm); }
section.sec--deep { background: var(--paper-deep); }
section.sec--ink { background: var(--ink); color: var(--paper); }
section.sec--ink p, section.sec--ink h2, section.sec--ink h3 { color: var(--paper); }
section.sec--tight { padding: 56px 0; }

/* ----------- Hero ----------- */
.hero {
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  position: relative;
  padding: 64px 0 96px;
}
.hero__shell { max-width: 1120px; margin: 0 auto; padding: 0 32px; width: 100%; }
.hero__kicker { display: inline-block; margin-bottom: 32px; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 7vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.028em;
  color: var(--ink);
  margin: 0;
  max-width: 16ch;
  text-wrap: balance;
}
.hero__title em { font-style: italic; font-weight: 600; color: var(--ink); }
.hero__title .accent { color: var(--vermillon); font-style: normal; }
.hero__lead {
  margin-top: 40px;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.55;
  color: var(--ink-80);
}
.hero__meta {
  margin-top: 56px;
  display: flex; flex-wrap: wrap; gap: 28px 56px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-60);
}
.hero__meta b { color: var(--ink); font-weight: 500; }

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
  display: inline-flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--ink-60), transparent);
  animation: scrollPulse 1.6s ease-out infinite;
}
@keyframes scrollPulse {
  0% { transform: translateY(-6px); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(6px); opacity: 0; }
}

.hero__mark {
  position: absolute; right: -120px; top: 8%;
  width: 560px; height: 540px;
  opacity: 0.06; pointer-events: none;
  transform: rotate(-8deg);
}

/* ----------- Typography ----------- */
.kicker {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vermillon);
}
.kicker::before { content: '•'; margin-right: 0.6em; }
.kicker.muted { color: var(--ink-60); }
.kicker.paper { color: var(--paper); }

h2.h {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.020em;
  color: var(--ink);
  margin: 16px 0 24px;
  text-wrap: balance;
}
h2.h em { font-style: italic; }
h2.h .accent { color: var(--vermillon); font-style: italic; }

h3.sh {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.014em;
  color: var(--ink);
  margin: 48px 0 16px;
}
h3.sh em { font-style: italic; }

.lead {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-80);
  margin: 0 0 20px;
  max-width: 60ch;
}
.body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-80);
  margin: 0 0 18px;
  max-width: 62ch;
}
.body em { font-family: var(--font-display); font-style: italic; font-weight: 500; }
.body strong { color: var(--ink); font-weight: 600; }

.small {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-60);
  max-width: 62ch;
}
.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-60);
}
.cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-60);
  margin: 18px 0 0;
  max-width: 56ch;
}
.panel .cap { max-width: none; }
.cap b { color: var(--ink); font-weight: 500; }

.pull {
  border-left: 3px solid var(--vermillon);
  padding: 4px 0 4px 28px;
  margin: 40px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 32ch;
}

.rule {
  height: 1px; background: var(--ink-10);
  margin: 48px auto;
  max-width: 760px;
}

/* ----------- Inline tokens (chips) ----------- */
.tok {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--paper-deep);
  border: 1px solid var(--ink-10);
  color: var(--ink);
  margin: 0 2px;
  vertical-align: baseline;
}
.tok--accent { background: var(--vermillon); color: var(--paper); border-color: var(--vermillon); }
.tok--blue { background: var(--ink-blue); color: var(--paper); border-color: var(--ink-blue); }

/* ----------- Interactive panel chrome ----------- */
.panel {
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin: 32px 0;
}
.panel--inset {
  background: var(--paper-warm);
}
.panel__head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--ink-10);
  padding-bottom: 14px; margin-bottom: 20px;
}
.panel__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.panel__id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vermillon);
}
.panel__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-60);
  margin-top: 4px;
}

/* ----------- Input ----------- */
.input {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--ink);
  background: var(--paper-warm);
  border: 1px solid var(--ink-20);
  border-radius: 4px;
  padding: 12px 14px;
  outline: none;
  width: 100%;
  transition: border-color var(--t-base);
}
.input:focus { border-color: var(--ink-blue); background: var(--paper); }

/* ----------- Token row ----------- */
.token-row {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 20px;
}
.token-chip {
  display: inline-flex; align-items: stretch;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--ink-10);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
}
.token-chip__txt {
  padding: 8px 10px;
  white-space: pre;
  color: var(--ink);
}
.token-chip__id {
  padding: 8px 8px;
  background: var(--paper-deep);
  color: var(--vermillon);
  font-size: 10px;
  letter-spacing: 0.06em;
  display: flex; align-items: center;
}

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--ink-10);
}
.stat {
  padding: 16px 0 0;
  border-right: 1px solid var(--ink-10);
  padding-right: 16px;
}
.stat:last-child { border-right: none; }
.stat__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-60);
}
.stat__value {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 36px;
  line-height: 1;
  color: var(--ink);
  margin-top: 8px;
  letter-spacing: -0.018em;
}
.stat__value.accent { color: var(--vermillon); }

/* ----------- Embeddings scatter ----------- */
.emb-modes {
  display: flex;
  gap: 0;
  margin: 4px 0 18px;
  border: 1px solid var(--ink-20);
  border-radius: 4px;
  background: var(--paper);
  width: fit-content;
  padding: 3px;
}
.emb-mode {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-60);
  background: transparent;
  border: none;
  padding: 8px 18px;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--t-base);
  text-transform: none;
}
.emb-mode:hover { color: var(--ink); }
.emb-mode.is-active {
  background: var(--ink);
  color: var(--paper);
}

.scatter {
  position: relative;
  width: 100%; aspect-ratio: 16/10;
  background:
    linear-gradient(var(--ink-10) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--ink-10) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--paper-warm);
  border: 1px solid var(--ink-10);
  border-radius: 8px;
  overflow: hidden;
}

/* Axis backbone — cross through center */
.scatter__axis-line {
  position: absolute;
  background: var(--ink-20);
  pointer-events: none;
}
.scatter__axis-line--x { left: 8%; right: 8%; top: 50%; height: 1px; }
.scatter__axis-line--y { top: 8%; bottom: 8%; left: 50%; width: 1px; }

/* Axis poles — labelled ends */
.scatter__pole {
  position: absolute;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  padding: 4px 10px;
  border: 1px solid var(--ink-20);
  border-radius: 2px;
  pointer-events: none;
  z-index: 3;
  white-space: nowrap;
}
.scatter__pole small {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.04em;
  color: var(--ink-60);
  margin-left: 4px;
  font-size: 10px;
}
.scatter__pole--left   { left: 10px;  top: 50%; transform: translateY(-50%); }
.scatter__pole--right  { right: 10px; top: 50%; transform: translateY(-50%); }
.scatter__pole--top    { top: 10px;    left: 50%; transform: translateX(-50%); }
.scatter__pole--bottom { bottom: 10px; left: 50%; transform: translateX(-50%); }

/* Quadrant whisper labels */
.scatter__quad {
  position: absolute;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 13px;
  color: var(--ink-40);
  pointer-events: none;
  z-index: 1;
  letter-spacing: -0.005em;
}
.scatter__quad--tl { top: 14%; left: 14%; }
.scatter__quad--tr { top: 14%; right: 14%; }
.scatter__quad--bl { bottom: 14%; left: 14%; }
.scatter__quad--br { bottom: 14%; right: 14%; }

/* SVG overlay for lines/arrows */
.scatter__svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 2;
}
.scatter__svg line { transition: stroke 200ms ease; }

.scatter__pt {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 4px 9px;
  background: var(--paper);
  border: 1px solid var(--ink-20);
  border-radius: 4px;
  color: var(--ink);
  white-space: nowrap;
  transition: all var(--t-base);
  cursor: default;
  z-index: 4;
}
.scatter__pt::before {
  content: '';
  position: absolute;
  left: -4px; top: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-40);
  transform: translateY(-50%);
}
.scatter__pt[data-cat="verb-h"]::before { background: var(--vermillon); }
.scatter__pt[data-cat="role"]::before   { background: var(--ink); }
.scatter__pt[data-cat="verb-n"]::before { background: var(--vermillon-deep); }
.scatter__pt[data-cat="anim"]::before   { background: var(--ink-blue); }
.scatter__pt[data-cat="city"]::before   { background: var(--ink-60); }
.scatter__pt.is-hi {
  border-color: var(--vermillon);
  background: var(--paper);
  z-index: 5;
  box-shadow: 0 0 0 4px rgba(181, 72, 44, 0.10);
}
.scatter__pt.is-clickable { cursor: pointer; }
.scatter__pt.is-clickable:hover {
  border-color: var(--ink-blue);
  box-shadow: 0 0 0 4px rgba(14, 34, 85, 0.08);
}

.scatter__cat-legend {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-60);
}
.scatter__cat-legend span { display: inline-flex; align-items: center; gap: 6px; }
.scatter__cat-legend i {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
}

/* Mode footer */
.emb-footer {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--paper-warm);
  border: 1px solid var(--ink-10);
  border-radius: 4px;
  min-height: 76px;
  display: flex; align-items: center;
}
.emb-footer__placeholder {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-60);
  font-style: italic;
}
.emb-footer__placeholder b { color: var(--ink); font-style: normal; font-weight: 600; }

.emb-footer__list { width: 100%; }
.emb-footer__head {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-60);
  margin-bottom: 8px;
}
.emb-footer__head b { color: var(--ink); font-weight: 500; font-family: var(--font-mono); }
.emb-footer__list ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.emb-footer__list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 4px;
}
.emb-footer__rank {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--vermillon);
}
.emb-footer__word {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}
.emb-footer__sim {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-60);
}

.emb-distance { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.emb-distance__pair {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.emb-distance__w {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  padding: 4px 10px;
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 4px;
}
.emb-distance__arrow {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--vermillon);
  font-size: 18px;
}
.emb-distance__bar {
  position: relative;
  width: 100%; height: 6px;
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 999px;
  overflow: hidden;
}
.emb-distance__fill {
  height: 100%;
  background: var(--ink-blue);
  transition: width 380ms cubic-bezier(0.2, 0, 0, 1);
}
.emb-distance__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-60);
}
.emb-distance__num b {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--vermillon);
  font-weight: 500;
}
.emb-distance__sep { color: var(--ink-20); }

.emb-analogy__chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.emb-analogy__chip {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  background: var(--paper);
  border: 1px solid var(--ink-20);
  border-radius: 999px;
  color: var(--ink-80);
  cursor: pointer;
  transition: all var(--t-base);
}
.emb-analogy__chip:hover { border-color: var(--ink-40); color: var(--ink); }
.emb-analogy__chip.is-active {
  background: var(--vermillon);
  color: var(--paper);
  border-color: var(--vermillon);
}
.emb-analogy__note {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-80);
}

.btn--xs { font-size: 12px; padding: 8px 14px; align-self: flex-start; margin-top: 4px; }

/* ----------- Attention heatmap (legacy, kept for reference) ----------- */
.attn {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  align-items: stretch;
  margin: 20px 0 8px;
  border: 1px solid var(--ink-10);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}
.attn__rowlabels {
  display: flex; flex-direction: column;
  border-right: 1px solid var(--ink-10);
  background: var(--paper-warm);
}
.attn__rowlabel {
  flex: 1;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-80);
  border-bottom: 1px solid var(--ink-10);
  cursor: pointer;
  transition: all var(--t-base);
}
.attn__rowlabel:last-child { border-bottom: none; }
.attn__rowlabel.is-active { background: var(--ink); color: var(--paper); }
.attn__rowlabel:hover:not(.is-active) { background: var(--paper-deep); }

.attn__grid {
  display: grid;
  /* columns set inline */
}
.attn__cell {
  border-right: 1px solid rgba(27,27,27,0.04);
  border-bottom: 1px solid rgba(27,27,27,0.04);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  position: relative;
  transition: background 200ms ease;
  min-height: 44px;
}
.attn__cell-pct {
  position: relative; z-index: 2;
  color: var(--ink);
  opacity: 0.85;
}
.attn__collabels {
  display: grid;
  /* columns set inline */
  border-top: 1px solid var(--ink-10);
  background: var(--paper-warm);
}
.attn__collabels-row {
  display: grid;
  /* columns set inline */
  margin-left: 140px;
  border-top: 1px solid var(--ink-10);
  background: var(--paper-warm);
  border-radius: 0 0 8px 8px;
  margin-top: -1px;
}
.attn__collabel {
  padding: 10px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-60);
  border-right: 1px solid var(--ink-10);
}
.attn__collabel:last-child { border-right: none; }
.attn__legend {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-60);
  margin-top: 16px;
}
.attn__legend-bar {
  flex: 1; max-width: 200px; height: 8px;
  background: linear-gradient(to right, var(--paper-warm), var(--vermillon));
  border: 1px solid var(--ink-10);
  border-radius: 2px;
}

/* ----------- Attention v2 — spotlight + aligned bars ----------- */
.attn2 {
  margin: 20px 0 0;
  padding: 18px 18px 12px;
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 8px;
}
.attn2__sentence-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-60);
  margin-bottom: 12px;
}
.attn2__row {
  display: grid;
  gap: 6px;
}
.attn2__row--tokens {
  align-items: stretch;
}
.attn2__tok {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 10px 4px;
  border-radius: 4px;
  transition: all var(--t-base);
  min-height: 44px;
  line-height: 1.2;
  word-break: break-word;
}
.attn2__tok.is-active {
  font-weight: 600;
  z-index: 2;
}
.attn2__tok.is-future {
  opacity: 0.55;
}
.attn2__tok-flag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 2px 6px;
  border-radius: 2px;
  white-space: nowrap;
}

.attn2__row--bars {
  margin-top: 10px;
  align-items: end;
}
.attn2__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.attn2__bar-track {
  position: relative;
  width: 100%;
  max-width: 28px;
  height: 80px;
  background: repeating-linear-gradient(
    to top,
    var(--ink-10) 0px, var(--ink-10) 1px,
    transparent 1px, transparent 16px
  );
  border-bottom: 1.5px solid var(--ink-40);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.attn2__bar-fill {
  width: 100%;
  background: var(--ink);
  border-radius: 2px 2px 0 0;
  transition: height 320ms cubic-bezier(0.2, 0, 0, 1);
  min-height: 2px;
}
.attn2__bar-fill.is-top {
  background: var(--vermillon);
}
.attn2__pct {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-60);
  min-height: 14px;
  letter-spacing: 0.02em;
}

/* Summary */
.attn2__summary {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--paper-warm);
  border: 1px solid var(--ink-10);
  border-left: 3px solid var(--vermillon);
  border-radius: 4px;
}
.attn2__summary-lead {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-80);
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.attn2__summary-active {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  color: var(--vermillon);
  margin: 0 2px;
}
.attn2__top {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.attn2__top li {
  display: grid;
  grid-template-columns: 32px 110px 1fr 50px;
  gap: 12px;
  align-items: center;
}
.attn2__top-rank {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--vermillon);
}
.attn2__top-word {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
}
.attn2__top-bar {
  position: relative;
  height: 6px;
  background: var(--paper);
  border: 1px solid var(--ink-10);
  border-radius: 999px;
  overflow: hidden;
}
.attn2__top-bar-fill {
  position: absolute;
  inset: 0;
  background: var(--vermillon);
  border-radius: 999px;
  transition: width 320ms cubic-bezier(0.2, 0, 0, 1);
}
.attn2__top li:nth-child(n+2) .attn2__top-bar-fill { background: var(--ink-60); }
.attn2__top-pct {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  text-align: right;
}
.attn2__top-empty {
  font-style: italic;
  color: var(--ink-60);
  font-family: var(--font-body);
  font-size: 13px;
}

/* Picker */
.attn2__picker {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.attn2__picker-label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-60);
}
.attn2__picker-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.attn2__chip {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--paper);
  color: var(--ink-80);
  border: 1px solid var(--ink-20);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--t-base);
}
.attn2__chip:hover {
  border-color: var(--ink-40);
  color: var(--ink);
}
.attn2__chip.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

@media (max-width: 768px) {
  .attn2__tok { font-size: 10px; padding: 6px 2px; min-height: 36px; }
  .attn2__bar-track { height: 56px; max-width: 18px; }
  .attn2__pct { font-size: 9px; }
  .attn2__top li { grid-template-columns: 24px 90px 1fr 44px; }
  .attn2__top-word { font-size: 12px; }
}
.predict {
  display: flex; flex-direction: column; gap: 18px;
}
.predict__ctx {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  padding: 16px 0 20px;
  border-bottom: 1px solid var(--ink-10);
}
.predict__ctx-cursor {
  display: inline-block;
  width: 2px; height: 1.1em;
  background: var(--vermillon);
  margin-left: 4px;
  vertical-align: -0.15em;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.predict__candidates {
  display: flex; flex-direction: column; gap: 6px;
}
.predict__cand {
  display: grid;
  grid-template-columns: 1fr 80px 60px;
  gap: 12px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--t-base);
  position: relative;
  background: var(--paper-warm);
  border: 1px solid var(--ink-10);
}
.predict__cand:hover { background: var(--paper); border-color: var(--ink-20); }
.predict__cand.is-top {
  border-color: var(--vermillon);
}
.predict__cand-tok {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  white-space: pre;
  position: relative;
  z-index: 2;
}
.predict__cand-bar {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: rgba(181, 72, 44, 0.08);
  border-radius: 4px;
  pointer-events: none;
  z-index: 1;
}
.predict__cand.is-top .predict__cand-bar { background: rgba(181, 72, 44, 0.16); }
.predict__cand-pct {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-60);
  text-align: right;
  position: relative; z-index: 2;
}
.predict__cand-pick {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vermillon);
  text-align: right;
  position: relative; z-index: 2;
}
.predict__controls {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  border: none; cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
  padding: 12px 18px;
  border-radius: 4px;
}
.btn--primary { background: var(--vermillon); color: var(--paper); font-weight: 600; }
.btn--primary:hover { background: var(--vermillon-hover); }
.btn--primary:disabled { background: var(--ink-20); color: var(--ink-60); cursor: not-allowed; }
.btn--ghost { background: transparent; color: var(--ink-80); border: 1px solid var(--ink-20); font-weight: 500; }
.btn--ghost:hover { background: var(--paper-warm); border-color: var(--ink-40); color: var(--ink); }

.predict__ctx-chosen {
  color: var(--vermillon);
  font-style: italic;
  font-weight: 500;
}
.predict__deadend {
  background: var(--paper-warm);
  border: 1px dashed var(--ink-20);
  border-radius: 4px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.predict__deadend-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.predict__deadend-title span {
  font-family: var(--font-mono);
  color: var(--vermillon);
  font-style: normal;
}
.predict__deadend p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-80);
  max-width: 60ch;
}
.predict__live {
  margin-top: 4px;
  padding: 14px 16px;
  background: var(--paper-warm);
  border: 1px solid var(--ink-10);
  border-left: 3px solid var(--ink-blue);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-80);
}
.predict__live b {
  color: var(--ink);
  font-weight: 500;
}
.predict__live span {
  color: var(--vermillon);
}

/* Source indicator — when distribution comes from live Claude */
.predict__source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-blue);
  background: rgba(14, 34, 85, 0.05);
  border: 1px solid rgba(14, 34, 85, 0.15);
  padding: 6px 10px;
  border-radius: 999px;
  align-self: flex-start;
}
.predict__source-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-blue);
  box-shadow: 0 0 0 0 rgba(14, 34, 85, 0.5);
  animation: pulse-blue 1.6s ease-out infinite;
}
@keyframes pulse-blue {
  0%   { box-shadow: 0 0 0 0 rgba(14, 34, 85, 0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(14, 34, 85, 0); }
  100% { box-shadow: 0 0 0 0 rgba(14, 34, 85, 0); }
}

/* Fetching state — branch not in cache, calling Claude */
.predict__fetching {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: var(--paper-warm);
  border: 1px dashed var(--ink-blue);
  border-radius: 4px;
}
.predict__fetching-spinner {
  width: 22px; height: 22px;
  border: 2px solid var(--ink-10);
  border-top-color: var(--ink-blue);
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 720ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.predict__fetching-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 17px;
  color: var(--ink);
}
.predict__fetching-sub {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-60);
  margin-top: 2px;
  max-width: 60ch;
}

.predict__error {
  padding: 14px 18px;
  background: var(--paper-warm);
  border: 1px solid var(--vermillon);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-80);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.predict__error b {
  color: var(--vermillon);
  font-weight: 600;
  margin-right: 6px;
}

/* Tighten the third column now that labels are shorter */
.predict__cand {
  grid-template-columns: 1fr 80px 44px;
}
.predict__cand-pick {
  color: var(--vermillon);
  font-family: var(--font-mono);
  font-size: 11px;
}
.predict__cand:not(.is-top) .predict__cand-pick {
  color: var(--ink-40);
  font-size: 14px;
  font-weight: 500;
}
.predict__cand:hover:not(.is-top) .predict__cand-pick {
  color: var(--ink);
}
.layers {
  display: flex; flex-direction: column; gap: 0;
  margin: 32px 0;
  border: 1px solid var(--ink-10);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}
.layer {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--ink-10);
  transition: background var(--t-base);
}
.layer:last-child { border-bottom: none; }
.layer:hover { background: var(--paper-warm); }
.layer__n {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 28px;
  color: var(--ink-40);
  border-right: 1px solid var(--ink-10);
  background: var(--paper-warm);
}
.layer__name {
  padding: 18px 20px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
  border-right: 1px solid var(--ink-10);
  display: flex; align-items: center;
}
.layer__sees {
  padding: 18px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-60);
  font-style: italic;
  display: flex; align-items: center;
}
.layer.is-pivot .layer__n { color: var(--vermillon); }
.layer.is-pivot .layer__name { color: var(--vermillon); }

/* ----------- 2-col methodology blocks ----------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin: 32px 0;
}
.two-col__cell {
  background: var(--paper);
  border: 0.5px solid var(--ink-10);
  border-radius: 8px;
  padding: 32px;
}
.two-col__cell h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 24px;
  color: var(--ink);
  margin: 0 0 14px;
}
.two-col__cell--accent {
  border-left: 3px solid var(--vermillon);
  background: var(--paper-warm);
}

/* ----------- ITIWE bridge / CTA ----------- */
.bridge {
  background: var(--ink);
  color: var(--paper);
  padding: 96px 0;
}
.bridge .kicker { color: var(--vermillon); }
.bridge h2.h { color: var(--paper); }
.bridge .body { color: rgba(244,239,230,0.78); }
.bridge .body strong { color: var(--paper); }
.bridge .body em { color: var(--paper); }
.bridge__cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--vermillon);
  color: var(--paper);
  padding: 18px 26px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  margin-top: 16px;
  transition: all var(--t-base);
}
.bridge__cta:hover { background: var(--vermillon-hover); }
.bridge__cta:hover svg { transform: translateX(3px); }
.bridge__cta svg { transition: transform var(--t-fast); }
.bridge__sec {
  display: inline-block; margin-top: 16px; margin-left: 24px;
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--vermillon);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
}

/* ----------- Credits / footer ----------- */
.credits {
  background: var(--paper-deep);
  border-top: 1px solid var(--ink-10);
  padding: 88px 0 48px;
}
.credits__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 56px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}
.credits__block h5 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vermillon);
  margin: 0 0 16px;
}
.credits__block p { font-size: 14px; line-height: 1.6; color: var(--ink-80); margin: 0 0 12px; }
.credits__block ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.credits__block li {
  font-size: 13px; line-height: 1.5; color: var(--ink-80);
}
.credits__block li b { display: block; color: var(--ink); font-weight: 500; margin-bottom: 2px; }
.credits__block li i {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px; color: var(--ink-60);
  font-style: normal;
  margin: 2px 0 6px;
  letter-spacing: 0.04em;
}
.credits__block a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-decoration-color: var(--vermillon);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.credits__block a:hover { color: var(--ink-blue-hover); text-decoration-thickness: 1.5px; }

.credits__legal {
  max-width: 1120px;
  margin: 56px auto 0;
  padding: 28px 32px 0;
  border-top: 1px solid var(--ink-10);
}
.credits__legal h5 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-60);
  margin: 0 0 12px;
}
.credits__legal p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-60);
  max-width: 82ch;
  margin: 0 0 10px;
}
.credits__legal b { color: var(--ink-80); font-weight: 600; }
.credits__legal a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.credits__legal a:hover { color: var(--ink-blue-hover); text-decoration-thickness: 1.5px; }

.colophon {
  max-width: 1120px;
  margin: 56px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid var(--ink-10);
  display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-60);
}
.colophon b { color: var(--ink); font-weight: 500; }

/* ----------- Responsive ----------- */
@media (max-width: 768px) {
  .wrap, .hero__shell { padding: 0 20px; }
  section.sec { padding: 64px 0; }
  .hero { min-height: auto; padding: 48px 0 80px; }
  .hero__mark { display: none; }
  .hero__meta { gap: 16px 24px; margin-top: 36px; }
  .two-col { grid-template-columns: 1fr; gap: 20px; }
  .two-col__cell { padding: 24px; }
  .credits__grid { grid-template-columns: 1fr; gap: 36px; }
  .panel { padding: 20px; }
  .attn { grid-template-columns: 90px 1fr; }
  .attn__rowlabels { font-size: 11px; }
  .attn__rowlabel { padding: 0 8px; font-size: 11px; }
  .predict__cand { grid-template-columns: 1fr 60px 50px; }
  .layer { grid-template-columns: 60px 1fr; }
  .layer__sees { display: none; }
}