/* ============================================================
   LLM Learning — warm notebook aesthetic
   Cream background, sepia text, red-ink accent, brown for analogies.
   ============================================================ */

:root {
  /* ---------- Palette ---------- */
  --bg:           #fdf6e3;   /* cream paper */
  --bg-muted:    #f5ebd0;   /* slightly darker cream — boxes */
  --text:        #3c2e1f;   /* dark sepia */
  --text-soft:   #6b5a47;   /* muted sepia */
  --accent:      #b91c1c;   /* red ink */
  --accent-hover:#8e1414;   /* darker red for hover states */
  --accent-soft: #e3a5a5;   /* faded red */
  --analogy:     #7c5e2a;   /* warm brown ink — analogy callouts */
  --analogy-bg:  #f7ecc9;   /* tinted background for analogy box */
  --break:       #8b8478;   /* gray-brown — "where this breaks" */
  --rule:        #d6c9a8;   /* hairline rules */
  --code-bg:     #f0e6c4;
  --variant-ink: #4f6c39;   /* green ink for variant notes */
  --variant-border: #6b8e4e;
  --variant-bg:  #f3ecd5;

  /* Four-lens palette (one shared set; dark-mode overrides below) */
  --lens-weights:     #6b3b1a;
  --lens-weights-brd: #c8a785;
  --lens-context:     #4d5a2e;
  --lens-context-brd: #b9c089;
  --lens-scaffold:    #4a4a6a;
  --lens-scaffold-brd:#a9a9c8;
  --lens-decoding:    #6e3a5e;
  --lens-decoding-brd:#c4a0bd;

  /* ---------- Spacing scale ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* ---------- Font-size scale ---------- */
  --fs-xs:   0.72em;  /* captions, stat-hint */
  --fs-sm:   0.82em;  /* labels, chips */
  --fs-md:   0.92em;  /* secondary body */
  --fs-base: 1em;     /* body */
  --fs-lg:   1.15em;  /* h4 inside widgets */
  --fs-xl:   1.4em;   /* widget headlines */
  --fs-2xl:  2rem;    /* page h1 */

  /* ---------- Radii ---------- */
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;

  /* ---------- Shadows (theme-aware) ---------- */
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.18);
}

html[data-theme="dark"] {
  --bg:           #1a1814;
  --bg-muted:    #28231c;
  --text:        #ede3d0;
  --text-soft:   #a89682;
  --accent:      #e87a6e;
  --accent-hover:#f59489;
  --accent-soft: #6b3530;
  --analogy:     #d4a86a;
  --analogy-bg:  #2c2519;
  --break:       #6e6660;
  --rule:        #3d3628;
  --code-bg:     #2a241c;
  --variant-ink: #9db883;
  --variant-border: #6e8a54;
  --variant-bg:  #2b301c;

  --lens-weights:     #c79874;
  --lens-weights-brd: #5a3c1c;
  --lens-context:     #b9c089;
  --lens-context-brd: #4d5a2e;
  --lens-scaffold:    #b4b4d0;
  --lens-scaffold-brd:#4a4a6a;
  --lens-decoding:    #c4a0bd;
  --lens-decoding-brd:#6e3a5e;

  --shadow-sm: 0 2px 6px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.55);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.65);
}

/* Top bar (hamburger on left, theme toggle on right) */
#topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: rgba(253, 246, 227, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
  z-index: 900;
  display: flex;
  align-items: center;
  padding: 0 18px;
  gap: var(--space-3);
}
html[data-theme="dark"] #topbar { background: rgba(26, 24, 20, 0.85); }

#topbar-left, #topbar-right {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
}
#topbar-right { justify-content: flex-end; }

/* On wide viewports the body reserves 244px for the TOC. Match the same
   right-padding on the topbar so its flex center aligns with the page
   content center (not the viewport center). */
@media (min-width: 1280px) {
  #topbar { padding-right: calc(244px + 18px); }
}

#nav-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--rule);
  background: var(--bg-muted);
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0;
  transition: background 0.15s ease, border-color 0.15s ease;
}
#nav-toggle:hover { background: var(--analogy-bg); border-color: var(--accent); }
#nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
#nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#nav-toggle.active span:nth-child(2) { opacity: 0; }
#nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Slide-out navigation panel */
#nav-panel {
  position: fixed;
  top: 0;
  left: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg);
  border-right: 1px solid var(--rule);
  box-shadow: var(--shadow-md);
  padding: 24px 26px;
  overflow-y: auto;
  z-index: 950;
  transition: left 0.22s ease;
}
#nav-panel.open { left: 0; }

#nav-panel-head {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1.15em;
  color: var(--accent);
  margin-top: 4px;
  margin-bottom: 4px;
}

.nav-panel-rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0 0 14px;
}

#nav-panel ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#nav-panel li {
  margin: 0;
  padding: 0;
  border-left: 2px solid transparent;
}
#nav-panel li.nav-current { border-left-color: var(--accent); background: var(--analogy-bg); }
#nav-panel li.nav-hub     { margin-bottom: 8px; }

#nav-panel a {
  display: block;
  padding: 8px 12px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.92em;
  transition: color 0.12s ease, background 0.12s ease;
}
#nav-panel li.nav-current a { color: var(--text); font-weight: bold; }
#nav-panel a:hover { color: var(--accent); background: var(--bg-muted); }

#nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(60, 46, 31, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 940;
}
#nav-backdrop.open { opacity: 1; pointer-events: auto; }

/* Push body content down so topbar doesn't overlap */
body { padding-top: 56px; }

/* When the TOC is visible (≥ 1280px), reserve right-side space so the
   main page reads as visually centered between the topbar's left edge
   and the TOC, not centered in the full viewport. */
@media (min-width: 1280px) {
  body { padding-right: 244px; }
}

/* Top-bar brand title — visually centered to the page content area */
#topbar-title {
  flex-shrink: 0;
  font-family: Georgia, "Charter", serif;
  font-style: italic;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--accent) !important;
  text-decoration: none !important;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background 0.12s ease;
  white-space: nowrap;
  pointer-events: auto;
}
#topbar-title:hover { background: var(--analogy-bg); }

/* Title centering is handled by flexbox in #topbar — no offset needed.
   The topbar's padding-right matches body's on ≥1280px so the flex
   center aligns with page content center. */

@media (max-width: 560px) {
  #topbar-title { font-size: 0.95em; }
}
@media (max-width: 380px) {
  /* On very narrow screens, hide title to avoid collision with toggles */
  #topbar-title { display: none; }
}

/* Theme toggle button — mounted inside #topbar-right by theme.js */
#theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  cursor: pointer;
  font-size: 18px;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
#theme-toggle:hover { background: var(--analogy-bg); }

/* "On this page" — fixed sidebar on the right */
#toc {
  position: fixed;
  right: 24px;
  top: 72px;
  width: 220px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  z-index: 50;
  padding: 22px 22px 24px;
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

#toc-title {
  font-variant: small-caps;
  letter-spacing: 0.15em;
  color: var(--text);
  font-weight: bold;
  font-size: var(--fs-sm);
  margin: 0 0 var(--space-1);
}

#toc-rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0 0 var(--space-4);
}

#toc ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#toc li {
  margin: var(--space-3) 0;
  line-height: 1.4;
  padding-left: var(--space-2);
  border-left: 2px solid transparent;
  transition: border-color 0.15s ease;
}
#toc li.active { border-left-color: var(--accent); }

#toc a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: var(--fs-md);
  display: block;
  transition: color 0.15s ease;
}
#toc li.active a { color: var(--text); font-weight: bold; }
#toc a:hover     { color: var(--accent); background: transparent; }

@media (max-width: 1280px) {
  #toc { display: none; }
}

/* Search palette */
.search-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 1px solid var(--rule);
  font-size: 0.94em;
}

.search-result:last-child { border-bottom: none; }

.search-result.selected,
.search-result:hover {
  background: var(--analogy-bg);
}

.search-text {
  color: var(--text);
  flex: 1;
  margin-right: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-page {
  font-size: 0.82em;
  color: var(--text-soft);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  white-space: nowrap;
}

.search-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-soft);
  font-style: italic;
  font-size: 0.92em;
}

* { box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  font-family: Georgia, "Charter", "Iowan Old Style", "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Page layout ---------- */

.page {
  max-width: 940px;          /* full width for diagrams */
  margin: 0 auto;
  padding: 32px 28px 96px;
}

.prose,
section > p,
section > ul,
section > ol,
section > blockquote {
  max-width: 700px;          /* tight prose width */
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: Georgia, "Charter", serif;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.4rem;
  font-style: italic;
  margin: 0.4em 0 0.6em;
  color: var(--accent);
}

h2 {
  font-size: 1.7rem;
  margin: 2.2em 0 0.5em;
  font-style: italic;
  border-top: 1px solid var(--rule);
  padding-top: 1em;
}

h2 .num {
  color: var(--accent);
  font-style: normal;
  font-weight: bold;
  margin-right: 0.4em;
}

h3 {
  font-size: 1.25rem;
  margin: 1.6em 0 0.4em;
  color: var(--text);
}

h4 {
  font-size: 1.05rem;
  margin: 1.2em 0 0.3em;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-style: normal;
}

p, li {
  margin: 0.6em 0;
}

em, i {
  color: var(--text);
  font-style: italic;
}

strong, b {
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  background: var(--accent-soft);
  color: var(--text);
  text-decoration: none;
}

code, samp {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--text);
}

kbd {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85em;
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text);
  display: inline-block;
  margin: 0 2px;
}

pre {
  background: var(--code-bg);
  padding: 14px 18px;
  border-radius: 4px;
  overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  line-height: 1.55;
  max-width: 700px;
  margin: 1em auto;
}

pre code {
  background: none;
  padding: 0;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5em auto;
  max-width: 700px;
}

/* ---------- Page chrome (breadcrumb + footer nav) ---------- */

.breadcrumb {
  font-size: 0.95rem;
  margin-bottom: 1em;
}

.breadcrumb a {
  color: var(--accent);
}

.page-footer {
  margin-top: 4em;
  padding-top: 1.5em;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.95rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
/* If there's only one link, keep it left-aligned instead of stretched */
.page-footer > :only-child { margin-right: auto; }

/* ---------- Callouts ---------- */

/* 🔍 Analogy callout */
.callout-analogy {
  background: var(--analogy-bg);
  border-left: 3px solid var(--analogy);
  padding: 14px 20px;
  margin: 1.4em auto;
  max-width: 700px;
  border-radius: 0 4px 4px 0;
}

.callout-analogy .label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--analogy);
  font-size: 0.85em;
  font-weight: bold;
  margin-bottom: 6px;
}

.callout-analogy p {
  margin: 0.3em 0;
}

/* ⚠️ Where the analogy breaks */
.callout-break {
  border-left: 2px dotted var(--break);
  padding: 8px 16px;
  margin: 0.8em auto 1.6em;
  max-width: 700px;
  font-style: italic;
  color: var(--text-soft);
  font-size: 0.95em;
}

.callout-break .label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--break);
  font-size: 0.8em;
  font-weight: bold;
  font-style: normal;
  margin-bottom: 4px;
}

/* 📊 Invariant box for interactive demos */
.callout-invariant {
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 12px 18px;
  margin: 1em auto;
  max-width: 700px;
  font-size: 0.92em;
}

.callout-invariant .label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  font-size: 0.78em;
  font-weight: bold;
  margin-bottom: 4px;
}

/* 🌿 Variant note */
.callout-variant {
  background: var(--variant-bg);
  border-left: 3px solid var(--variant-border);
  padding: 12px 18px;
  margin: 1.2em auto;
  max-width: 700px;
  font-size: 0.95em;
  border-radius: 0 4px 4px 0;
}

.callout-variant .label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--variant-ink);
  font-size: 0.8em;
  font-weight: bold;
  margin-bottom: 4px;
}

/* 🔭 Lens tag — inline badge */
.lens-tag {
  display: inline-block;
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.78em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-soft);
  margin-right: 4px;
  white-space: nowrap;
}

.lens-tag.weights    { color: var(--lens-weights); border-color: var(--lens-weights-brd); }
.lens-tag.context    { color: var(--lens-context); border-color: var(--lens-context-brd); }
.lens-tag.scaffolding{ color: var(--lens-scaffold); border-color: var(--lens-scaffold-brd); }
.lens-tag.decoding   { color: var(--lens-decoding); border-color: var(--lens-decoding-brd); }

/* Lens tag block — when it's its own paragraph */
.lens-block {
  max-width: 700px;
  margin: 1em auto;
  padding: 8px 14px;
  background: var(--bg-muted);
  border-radius: 4px;
  font-size: 0.92em;
}

/* ---------- Hero image (hub top) ---------- */

.hero {
  max-width: 960px;
  margin: var(--space-5) auto var(--space-6);
  padding: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--rule);
}
.hero img {
  display: block;
  width: 100%;
  height: auto;
}
.hero figcaption {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-muted);
  font-size: var(--fs-sm);
  color: var(--text-soft);
  font-style: italic;
  text-align: center;
  border-top: 1px solid var(--rule);
}

/* ---------- Skeletal architecture diagram (hub top) — vertical flow ---------- */

.sk-section {
  max-width: 680px;
  margin: 2em auto 3em;
  padding: 24px 28px;
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.sk-title {
  font-size: 1em;
  color: var(--text);
  text-align: center;
  margin: 0 0 24px;
  font-weight: normal;
  font-style: italic;
}
.sk-title .sk-hint { color: var(--text-soft); font-size: 0.92em; }

.sk-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.sk-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  width: 100%;
}

/* Stage boxes (clickable) */
.sk-box {
  display: block;
  min-width: 280px;
  max-width: 380px;
  padding: 10px 16px;
  background: var(--bg);
  border: 2px solid var(--accent-soft);
  border-radius: 6px;
  text-decoration: none !important;
  color: var(--text) !important;
  text-align: center;
  transition: transform 0.12s ease, border-color 0.12s ease;
  position: relative;
  cursor: pointer;
}

.sk-box:hover,
.sk-box:focus {
  transform: translateY(-1px);
  border-color: var(--accent);
  outline: none;
}

.sk-box-title {
  font-weight: bold;
  font-size: 0.98em;
}
.sk-box-sub {
  font-size: 0.82em;
  color: var(--text-soft);
  margin-top: 2px;
  font-style: italic;
}

.sk-box-neutral { background: var(--bg-muted); border-color: var(--rule); border-style: dashed; }
.sk-box-embed   { border-color: var(--analogy); }
.sk-box-attn    { border-color: var(--accent); background: var(--analogy-bg); }
.sk-box-ffn     { border-color: var(--analogy); background: var(--analogy-bg); }
.sk-box-output  { border-color: var(--accent); }
.sk-box-sample  { border-color: var(--accent); }

/* Right-side annotation */
.sk-note {
  font-size: var(--fs-xs);
  color: var(--text-soft);
  font-style: italic;
  max-width: 420px;
  line-height: 1.3;
  text-align: center;
  margin-top: var(--space-1);
}
.sk-note:empty { display: none; }

.sk-arrow {
  font-size: 1.1em;
  color: var(--text-soft);
  line-height: 1;
  margin: 2px 0;
  user-select: none;
}

/* Raw text / data rows (non-clickable) */
.sk-data { text-align: center; }
.sk-quote {
  font-family: Georgia, serif;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--text);
  padding: 6px 14px;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid var(--rule);
}

/* Token chips row */
.sk-tokens {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.sk-tok {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 4px 10px;
  text-align: center;
}
.sk-tok-text {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  color: var(--text);
}
.sk-tok-id {
  font-size: 0.72em;
  color: var(--text-soft);
  margin-top: 1px;
}

/* Embedding vectors viz */
.sk-vectors {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: flex-end;
}
.sk-vec { text-align: center; }
.sk-vec svg { display: block; margin: 0 auto; }
.sk-vec-label {
  font-size: 0.75em;
  font-family: ui-monospace, Menlo, monospace;
  color: var(--text-soft);
  margin-top: 4px;
}
.sk-dim-label {
  align-self: center;
  font-size: 0.75em;
  color: var(--text-soft);
  font-style: italic;
  margin-left: 6px;
}

/* Inline note (between stages) */
.sk-inline-note {
  font-size: 0.92em;
  color: var(--text);
  font-style: italic;
  padding: 2px 0;
}
.sk-inline-note-small {
  font-size: 0.78em;
  color: var(--text-soft);
  font-style: italic;
  padding: 2px 0;
  text-align: center;
}

/* Transformer block (bounded group) */
.sk-block {
  width: 100%;
  max-width: 500px;
  margin: 8px auto;
  padding: 14px 18px 16px;
  border: 2px dashed var(--analogy);
  border-radius: 8px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}
.sk-block-title {
  font-variant: small-caps;
  letter-spacing: 0.06em;
  font-weight: bold;
  color: var(--analogy);
  font-size: 0.85em;
  margin-bottom: 8px;
}
.sk-block .sk-box { min-width: 240px; }
.sk-sub-note {
  font-size: 0.78em;
  color: var(--text-soft);
  font-style: italic;
  margin: 2px 0;
  text-align: center;
}
.sk-repeat {
  margin-top: 10px;
  padding: 4px 12px;
  background: var(--bg-muted);
  border-radius: 3px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.82em;
  color: var(--text-soft);
}

/* Probability distribution bars */
.sk-dist {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sk-dist-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
}
.sk-bar {
  width: 22px;
  background: var(--analogy);
  border-radius: 2px 2px 0 0;
  opacity: 0.7;
}
.sk-bar.sk-bar-sampled {
  background: var(--accent);
  opacity: 1;
}
.sk-dist-labels {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.sk-dist-label {
  width: 22px;
  font-size: 0.7em;
  font-family: ui-monospace, Menlo, monospace;
  color: var(--text-soft);
  text-align: center;
}
.sk-dist-label.sampled { color: var(--accent); font-weight: bold; }
.sk-dist-label-fade { opacity: 0.5; }

.sk-picked {
  color: var(--accent);
  font-family: ui-monospace, Menlo, monospace;
  font-weight: bold;
}

/* Loop block */
.sk-loop-block {
  text-align: center;
  margin-top: 6px;
}
.sk-loop-link {
  display: inline-block;
  font-size: 0.9em;
  color: var(--text) !important;
  text-decoration: none !important;
  border-bottom: 1px dotted var(--accent);
  padding: 2px 0;
}
.sk-loop-link:hover { color: var(--accent) !important; }
.sk-loop-sub {
  font-size: 0.82em;
  color: var(--text-soft);
  font-style: italic;
  margin-top: 6px;
}

/* Box hover tooltip (re-using the same pattern as glossary) */
.sk-box:hover::after,
.sk-box:focus::after,
.sk-loop-link:hover::after {
  content: attr(data-def);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 0.82em;
  font-family: Georgia, serif;
  font-style: normal;
  line-height: 1.5;
  width: 260px;
  max-width: 85vw;
  z-index: 100;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  white-space: normal;
}
.sk-box:hover::before,
.sk-box:focus::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--text);
  z-index: 101;
}

@media (max-width: 720px) {
  .sk-box { min-width: 220px; }
}

/* Legacy — keep old classes so any pages referencing them don't 500 */
.skeleton-section { max-width: 960px; margin: 2em auto 3em; padding: 20px 24px; background: var(--bg-muted); border: 1px solid var(--rule); border-radius: 6px; }
.skeleton-title   { font-size: 0.95em; font-style: italic; color: var(--text-soft); text-align: center; margin: 0 0 18px; font-weight: normal; }

.skeleton {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.skel-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 52px;
  padding: 8px 12px;
  background: var(--bg);
  border: 2px solid var(--accent-soft);
  border-radius: 5px;
  color: var(--text) !important;
  text-decoration: none !important;
  font-size: 0.88em;
  font-family: Georgia, serif;
  text-align: center;
  line-height: 1.2;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  position: relative;
  cursor: pointer;
}

.skel-box:hover,
.skel-box:focus {
  background: var(--accent);
  color: var(--bg) !important;
  border-color: var(--accent);
  transform: translateY(-2px);
  outline: none;
}

.skel-box-primary {
  border-color: var(--accent);
  background: var(--analogy-bg);
}

.skel-box-end {
  border-style: dashed;
}

.skel-label {
  display: block;
}

.skel-arrow {
  color: var(--text-soft);
  font-size: 1.1em;
  font-weight: bold;
  user-select: none;
}

/* Hover tooltip — uses data-def attribute */
.skel-box:hover::after,
.skel-box:focus::after {
  content: attr(data-def);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 0.82em;
  font-family: Georgia, serif;
  line-height: 1.5;
  width: 240px;
  max-width: 80vw;
  z-index: 100;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  white-space: normal;
  font-weight: normal;
}

.skel-box:hover::before,
.skel-box:focus::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--text);
  z-index: 101;
}

.skeleton-loop {
  text-align: center;
  margin-top: 14px;
  font-size: 0.85em;
  color: var(--text-soft);
  font-style: italic;
}

.skel-loop-arrow {
  color: var(--accent);
  font-size: 1.2em;
  margin-right: 6px;
}

.skel-loop-text a { color: var(--accent); }

@media (max-width: 720px) {
  .skel-box { min-width: 72px; font-size: 0.8em; padding: 6px 8px; }
  .skel-arrow { font-size: 0.9em; }
}

/* ---------- Hub section style ---------- */

section.hub-section {
  margin-bottom: 2em;
}

.go-deeper {
  display: inline-block;
  margin: 0.6em 0 0;
  font-size: 0.95rem;
  color: var(--accent);
  font-style: italic;
}

.go-deeper::before { content: "→ "; }

/* ---------- "Where to go from here" index ---------- */

.where-next {
  background: var(--bg-muted);
  padding: 18px 24px;
  border-radius: 4px;
  max-width: 700px;
  margin: 2em auto;
}

.where-next ul {
  list-style: none;
  padding-left: 0;
  margin: 0.4em 0;
}

.where-next li {
  margin: 0.3em 0;
}

/* ---------- Tile grid (used in §8 levers summary) ---------- */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 940px;
  margin: 1.5em auto;
}

.tile {
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 16px 18px;
  font-size: 0.94em;
}

.tile h4 {
  margin-top: 0;
  margin-bottom: 0.4em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--accent);
  font-size: 1rem;
}

/* ---------- Four-lens box grid (in §5) ---------- */

.lens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  max-width: 940px;
  margin: 1.5em auto;
}

.lens-box {
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 14px 16px;
  font-size: 0.95em;
}

.lens-box h4 {
  margin-top: 0;
  margin-bottom: 0.3em;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
}

.lens-box.weights     h4 { color: var(--lens-weights); }
.lens-box.context     h4 { color: var(--lens-context); }
.lens-box.scaffolding h4 { color: var(--lens-scaffold); }
.lens-box.decoding    h4 { color: var(--lens-decoding); }

/* ---------- Diagrams (SVG) ---------- */

.diagram {
  display: block;
  margin: 1.5em auto;
  max-width: 940px;
  width: 100%;
  height: auto;
}

.diagram-caption {
  text-align: center;
  font-size: 0.88em;
  color: var(--text-soft);
  font-style: italic;
  max-width: 700px;
  margin: -0.5em auto 1.5em;
}

/* SVG defaults — sketchy feel */
.diagram text {
  font-family: Georgia, "Charter", serif;
  fill: var(--text);
}

.diagram .stroke      { stroke: var(--text); stroke-width: 1.6; fill: none; stroke-linejoin: round; stroke-linecap: round; }
.diagram .stroke-soft { stroke: var(--text-soft); stroke-width: 1.2; fill: none; stroke-linejoin: round; }
.diagram .accent      { stroke: var(--accent); stroke-width: 2; fill: none; }
.diagram .fill-muted  { fill: var(--bg-muted); }
.diagram .fill-accent { fill: var(--accent-soft); }
.diagram .label       { font-size: 13px; }
.diagram .label-small { font-size: 11px; fill: var(--text-soft); }

/* ---------- Interactive widgets ---------- */

.widget {
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) auto;
  max-width: 940px;
}

.widget h4 {
  margin-top: 0;
  margin-bottom: var(--space-2);
  font-size: var(--fs-md);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.widget label {
  display: block;
  font-size: var(--fs-md);
  color: var(--text-soft);
  margin: var(--space-3) 0 var(--space-1);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

input[type="text"],
textarea {
  font-family: Georgia, serif;
  font-size: 1em;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 8px 12px;
  width: 100%;
  color: var(--text);
}

button {
  font-family: Georgia, serif;
  font-size: 0.95em;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 8px 18px;
  border-radius: 3px;
  cursor: pointer;
}

button:hover { background: var(--accent-hover); }

button.secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--text-soft);
}

button.secondary:hover {
  background: var(--bg-muted);
}

/* ---------- Glossary tooltip ---------- */

.glossary-term {
  border-bottom: 1px dotted var(--accent);
  cursor: help;
  position: relative;
  color: inherit !important;
  text-decoration: none !important;
  background: transparent !important;
}

.glossary-term:hover {
  border-bottom-style: solid;
  background: var(--analogy-bg) !important;
}

.glossary-term:hover::after {
  content: attr(data-def);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 4px;
  font-family: Georgia, serif;
  font-size: 0.9em;
  font-style: normal;
  font-weight: normal;
  line-height: 1.5;
  width: 320px;
  max-width: 90vw;
  z-index: 100;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  white-space: normal;
}

.glossary-term:hover::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 12px;
  border: 6px solid transparent;
  border-top-color: var(--text);
  z-index: 101;
}

/* ---------- Tables ---------- */

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 700px;
  margin: 1.2em auto;
  font-size: 0.94em;
}

th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--rule);
}

th {
  font-weight: bold;
  color: var(--text-soft);
  background: var(--bg-muted);
}

/* ---------- Mobile ---------- */

@media (max-width: 720px) {
  body { font-size: 17px; }
  .page { padding: 20px 18px 64px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }
  .lens-grid, .tile-grid { grid-template-columns: 1fr; }
  .glossary-term:hover::after { width: calc(100vw - 60px); }
}

/* ---------- Stub-page placeholder ---------- */

.stub {
  text-align: center;
  color: var(--text-soft);
  font-style: italic;
  padding: 60px 20px;
  background: var(--bg-muted);
  border-radius: 4px;
  max-width: 700px;
  margin: 2em auto;
}

/* ---------- Widget: tokenizer ---------- */

.tokenizer-out {
  margin: 12px 0;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  min-height: 50px;
  line-height: 2.4;
}

.tok {
  display: inline-flex;
  align-items: baseline;
  background: var(--analogy-bg);
  border: 1px solid var(--analogy);
  border-radius: 3px;
  padding: 1px 5px;
  margin: 0 2px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  cursor: pointer;
}

.tok:hover { background: var(--accent-soft); }

.tok-text {
  color: var(--text);
  white-space: pre;  /* preserve leading spaces in tokens like " the" */
}

/* Tokens with leading whitespace: prepend a subtle marker so they're visible */
.tok-text::first-letter { /* no-op, leaving hook for future */ }

.tok-meta {
  color: var(--text-soft);
  margin-left: 4px;
  font-size: 0.78em;
}

.tok-char {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
}

.tok-space { display: inline-block; width: 6px; }

/* ---------- Widget: probability distribution / sampling ---------- */

.dist-host {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  margin-top: 8px;
}

.dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 3px 0;
}

.dist-label {
  width: 110px;
  text-align: right;
  color: var(--text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dist-bar-wrap {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 2px;
  height: 16px;
  overflow: hidden;
}

.dist-bar {
  background: var(--analogy);
  height: 100%;
  transition: width 0.25s ease, background 0.2s ease;
}

.dist-bar.highlighted { background: var(--accent); }
.dist-bar.killed      { background: var(--rule); opacity: 0.5; }

.dist-pct {
  width: 50px;
  text-align: right;
  color: var(--text-soft);
}

/* ---------- Widget: inference stepper ---------- */

.seq-display {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 10px 14px;
  font-family: Georgia, serif;
  font-size: 1.04em;
  margin: 4px 0 10px;
  min-height: 32px;
  line-height: 1.6;
}

.cache-host {
  margin-top: 6px;
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--bg);
}

.kv-table {
  width: 100%;
  margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85em;
}

.kv-table th, .kv-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}

.kv-table th {
  background: var(--bg-muted);
  font-weight: bold;
}

.kv-table td:first-child { color: var(--text-soft); width: 36px; }
.kv-table td:nth-child(3),
.kv-table td:nth-child(4) { color: var(--text-soft); font-style: italic; }

/* ---------- Widget: attention hover ---------- */

.attn-tokens {
  text-align: center;
  font-size: 1.4em;
  font-family: Georgia, serif;
  margin: 18px 0 6px;
  line-height: 2.2;
}

.attn-tok {
  display: inline-block;
  padding: 2px 8px;
  margin: 0 3px;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.2s ease, background 0.2s ease;
}

.attn-tok:hover { background: var(--analogy-bg) !important; }
.attn-tok:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.attn-tok.selected { background: var(--accent-soft) !important; outline: 1px solid var(--accent); }

/* ====================================================================
   Utility classes — reused by widget internals, avoid inline styles
   ==================================================================== */

.w-row      { display: flex; align-items: center; gap: var(--space-3); }
.w-row-wrap { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.w-col      { display: flex; flex-direction: column; gap: var(--space-2); }
.w-col-tight{ display: flex; flex-direction: column; gap: var(--space-1); }
.w-center   { text-align: center; }
.w-soft     { color: var(--text-soft); font-size: var(--fs-md); }
.w-soft-sm  { color: var(--text-soft); font-size: var(--fs-sm); }
.w-soft-xs  { color: var(--text-soft); font-size: var(--fs-xs); font-style: italic; }

.w-panel {
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
}

.w-stage-card {
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
}

.w-stage-title {
  margin: 0 0 var(--space-1);
  font-size: var(--fs-md);
  color: var(--accent);
  font-weight: bold;
  text-transform: none;
  letter-spacing: 0;
}

.w-stage-tag {
  font-size: var(--fs-sm);
  color: var(--text-soft);
  font-style: italic;
  margin-bottom: var(--space-1);
}

.w-annotation {
  font-size: var(--fs-sm);
  color: var(--text-soft);
  border-left: 2px solid var(--rule);
  padding-left: var(--space-3);
  margin-top: var(--space-2);
  line-height: 1.5;
}

.w-controls { margin-top: var(--space-4); display: flex; gap: var(--space-3); }

.w-caption {
  font-size: var(--fs-md);
  color: var(--text-soft);
  font-style: italic;
  text-align: center;
  margin: var(--space-2) 0;
}

.w-mono-bold { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: bold; }
.w-bold { font-weight: bold; }

.w-formula-out {
  margin-top: var(--space-3);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: var(--fs-md);
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
}
.w-formula-out.clickable { cursor: pointer; }

.w-formula-out.clickable:hover { border-color: var(--accent); }

/* Generic inline sorter card */
.sorter-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-3) 0;
}
.sorter-card .sc-text { margin: 0 0 var(--space-2); font-style: italic; }
.sorter-buttons { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.sorter-buttons button { font-size: var(--fs-sm); }
.sorter-reveal {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-muted);
  border-radius: var(--radius-sm);
  font-size: var(--fs-md);
}
.sorter-feedback {
  margin-top: var(--space-1);
  font-size: var(--fs-sm);
  color: var(--text-soft);
}

/* Rank-outputs cards */
.rank-card {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  margin: var(--space-2) 0;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
}
.rank-num { font-weight: bold; min-width: 28px; color: var(--accent); }
.rank-text { flex: 1; font-size: var(--fs-md); }
.rank-ctrl { display: flex; flex-direction: column; gap: var(--space-1); }
.rank-ctrl button { padding: 2px var(--space-2); font-size: var(--fs-sm); }

/* Generic bar row (training compute, prefill/decode) */
.w-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-1) 0;
}
.w-bar-lbl { font-size: var(--fs-sm); color: var(--text-soft); }
.w-bar-wrap {
  flex: 1;
  background: var(--bg-muted);
  border-radius: 2px;
  overflow: hidden;
}
.w-bar-fill { height: 100%; background: var(--accent); }
.w-bar-val { font-size: var(--fs-sm); color: var(--text-soft); text-align: right; }

.w-budget-vis {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
}
.w-budget-title {
  font-size: var(--fs-xs);
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: var(--space-1);
}

.w-mt-3 { margin-top: var(--space-3); }
.w-bar-row-tight { gap: var(--space-2); }
.rank-ctrl-btn { padding: 2px var(--space-2); font-size: var(--fs-sm); }

.w-totals-row {
  margin-top: var(--space-2);
  font-size: var(--fs-md);
  color: var(--text-soft);
  border-top: 1px solid var(--rule);
  padding-top: var(--space-1);
}

.w-prompt-display {
  font-family: Georgia, serif;
  font-style: italic;
  padding: var(--space-2) var(--space-4);
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
  margin: var(--space-2) 0 var(--space-3);
}

.w-output-text {
  margin: var(--space-2) 0;
  font-family: Georgia, serif;
  white-space: pre-wrap;
  padding: 0;
  background: transparent;
  font-size: var(--fs-base);
  line-height: 1.55;
}

/* ====================================================================
   Widget enhancement template — reused by every enhanced widget
   ==================================================================== */

/* ---------- Preset row ---------- */
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 12px;
}

.preset-btn {
  font-size: 0.85em !important;
  padding: 4px 12px !important;
  background: var(--bg) !important;
  color: var(--text) !important;
  border: 1px solid var(--rule) !important;
  border-radius: 999px !important;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.preset-btn:hover {
  background: var(--bg-muted) !important;
  border-color: var(--accent) !important;
}

.preset-btn.active {
  background: var(--analogy-bg) !important;
  border-color: var(--analogy) !important;
}

/* ---------- Toggle row ---------- */
.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 8px 0 12px;
  font-size: 0.88em;
  color: var(--text-soft);
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
}

/* ---------- Click-to-inspect panel ---------- */
.inspect-panel {
  background: var(--bg);
  border: 1px solid var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  padding: 14px 18px;
  margin: 12px 0;
}

.inspect-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.inspect-tok {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.05em;
  color: var(--accent);
  font-weight: bold;
}

.inspect-close {
  font-size: 0.9em !important;
  padding: 1px 8px !important;
  min-width: 28px;
  background: transparent !important;
  color: var(--text-soft) !important;
  border: 1px solid var(--rule) !important;
}

.inspect-close:hover {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.inspect-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  margin: 0;
  font-size: 0.92em;
}

.inspect-grid dt {
  font-weight: bold;
  color: var(--text-soft);
  margin: 0;
  display: block !important;
}

.inspect-grid dd {
  margin: 0;
  color: var(--text);
  display: block !important;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
}

.inspect-grid dd::after { content: none !important; display: none !important; }

.inspect-note {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--rule);
  font-size: 0.9em;
  color: var(--text-soft);
  line-height: 1.5;
}

/* ---------- Stats row ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin: var(--space-3) 0 var(--space-1);
}

.stat-cell {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 8px 10px;
  text-align: center;
}

.stat-val {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--accent);
}

.stat-lbl {
  font-size: 0.78em;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.stat-hint {
  font-size: 0.72em;
  color: var(--text-soft);
  font-style: italic;
  margin-top: 3px;
  line-height: 1.3;
}

/* ---------- "Why this matters" tie-back ---------- */
.tie-back {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--bg-muted);
  border-left: 2px solid var(--text-soft);
  border-radius: 0 3px 3px 0;
  font-size: 0.88em;
  color: var(--text-soft);
}

.tie-back .label {
  display: inline-block;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-weight: bold;
  font-size: 0.9em;
  margin-right: 6px;
}

.tie-back a { color: var(--accent); }

/* ---------- Character ruler (tokenizer-specific but follows the pattern) ---------- */
.char-ruler {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 4px 0 8px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px dashed var(--rule);
  border-radius: 3px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82em;
  overflow-x: auto;
}

.ruler-cell {
  display: inline-flex;
  flex-direction: column;
  min-width: 16px;
  text-align: center;
  line-height: 1.1;
}

.ruler-ch { color: var(--text); }
.ruler-i  { color: var(--text-soft); font-size: 0.76em; }

/* ---------- Token-widget-specific (keep) ---------- */
.tok.tok-selected {
  background: var(--accent-soft) !important;
  border-color: var(--accent) !important;
  transform: scale(1.05);
}

.tok-pos {
  color: var(--accent);
  margin-left: 4px;
  font-size: 0.75em;
}

/* ---------- "What changes where?" box (used in levers.html) ---------- */

.changes-where {
  background: var(--bg-muted);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  padding: 14px 20px;
  margin: 1em auto;
  max-width: 700px;
  border-radius: 0 4px 4px 0;
  font-size: 0.94em;
}

.changes-where h4 {
  margin-top: 0;
  margin-bottom: 0.4em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-size: 0.85em;
}

.changes-where dl { margin: 0.4em 0; }
.changes-where dt { font-weight: bold; margin-top: 6px; color: var(--text); display: inline; }
.changes-where dd { margin: 0; display: inline; }
.changes-where dd::after { content: ""; display: block; margin-bottom: 6px; }