/* style.css — Asante Twi Corpus theme.
   Plain CSS, no preprocessor. Palette drawn from a Ghanaian identity:
   deep Asante forest green + kente gold on warm cream, distinct from the
   Sanskrit app's brown "palm-leaf" theme. Variables up top. */

:root {
  --bg: #fbfaf5;            /* warm cream */
  --panel: #ffffff;
  --fg: #1a1d1a;
  --muted: #63685f;
  --line: #e3e1d4;
  --accent: #1f6b45;        /* deep Asante / forest green */
  --accent-2: #175034;      /* darker green (hover/press) */
  --accent-soft: #e4efe7;   /* soft green tint (active tab, chips) */
  --gold: #c99a2e;          /* kente gold — secondary accent */
  --gold-soft: #f6ecd2;
  --kw: #b3261e;            /* keyword highlight (warm red) */
  --pos: #1f6b45;           /* polarity Pos */
  --neg: #b3261e;           /* polarity Neg */
  --flag: #9a6a00;
  --error: #a32020;
  --radius: 8px;
  /* Serif with strong coverage of Twi letters ɛ ɔ (and diacritics). */
  --serif: "Gentium Plus", "Gentium", "Charis SIL", "Noto Serif", Georgia, serif;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

/* visually hidden but available to screen readers */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
a:focus-visible, button:focus-visible, select:focus-visible,
input:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--ui); font-size: 15px; line-height: 1.5;
}
h1, h2, h3 { font-weight: 600; }

/* ---- header + tabs ---- */
.app-header {
  border-bottom: 2px solid var(--accent);
  padding: 0.55rem 1.2rem; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  background: linear-gradient(0deg, var(--bg), #fff);
}
.app-brand { display: flex; align-items: baseline; gap: 0.6rem; }
.app-mark {
  font-weight: 800; letter-spacing: -0.02em; color: #fff; background: var(--accent);
  padding: 0.15rem 0.5rem; border-radius: 6px; font-size: 0.8rem;
  box-shadow: inset 0 -3px 0 var(--gold);
}
.app-header h1 { font-size: 1.1rem; margin: 0; color: var(--accent-2); }
.tab-nav { display: flex; gap: 0.25rem; margin-left: auto; }
.tab-button {
  border: none; background: none; cursor: pointer; padding: 0.35rem 0.85rem;
  border-radius: 6px 6px 0 0; font: inherit; color: var(--muted);
}
.tab-button:hover { color: var(--accent-2); }
.tab-button.active { color: var(--accent-2); background: var(--accent-soft); font-weight: 600; }

.app-main { padding: 1.3rem; max-width: 1100px; margin: 0 auto; }
.tab-panel.hidden { display: none; }

/* ---- home / landing ---- */
.home { max-width: 800px; }
.home-hero { text-align: center; padding: 1.2rem 0 0.4rem; }
.home-tagline {
  font-family: var(--serif); font-size: 1.35rem; line-height: 1.5; color: var(--accent-2);
  max-width: 36rem; margin: 0.4rem auto;
}
.home-kente { height: 8px; border-radius: 4px; margin: 1rem auto; max-width: 24rem;
  background: repeating-linear-gradient(90deg,
    var(--accent) 0 22px, var(--gold) 22px 34px, var(--kw) 34px 46px, var(--accent-2) 46px 58px); }
.home-section { margin-top: 1.8rem; border-top: 1px solid var(--line); padding-top: 1.1rem; }
.home-section h2 { font-size: 1.05rem; color: var(--accent-2); margin: 0 0 0.6rem; }
.home-section p { margin: 0.6rem 0; max-width: 54rem; }
.home-section ul.team { list-style: none; padding: 0; margin: 0.4rem 0; max-width: 40rem; }
.home-section ul.team li { padding: 0.35rem 0; border-bottom: 1px solid var(--line); }
.home-section ul.team li:last-child { border-bottom: none; }

/* sources table */
.sources-table { font-size: 0.9rem; }
.sources-table th[scope=row] { font-family: var(--serif); font-weight: 500; max-width: 24rem; }
.sources-table td, .sources-table th { vertical-align: top; word-break: break-word; }
.sources-table thead th { white-space: nowrap; }
.sources-table a { color: var(--accent); }
.home-cta, .btn-primary {
  border: none; background: var(--accent); color: #fff; cursor: pointer;
  padding: 0.5rem 1rem; border-radius: var(--radius); font: inherit; font-weight: 600;
}
.home-cta:hover, .btn-primary:hover { background: var(--accent-2); }
.stat-row { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: 1rem 0; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.7rem 1.1rem; min-width: 8rem; }
.stat b { display: block; font-size: 1.5rem; color: var(--accent-2);
  font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 0.85rem; }

/* ---- search form ---- */
.search { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; margin-bottom: 1.1rem; }
.search-row { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 0.25rem; }
.field label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.field input[type=text], .field select {
  font: inherit; padding: 0.45rem 0.55rem; border: 1px solid var(--line);
  border-radius: 6px; background: #fff; color: var(--fg);
}
.field input[type=text] { font-family: var(--serif); min-width: 15rem; }
.search-q { flex: 1 1 16rem; }
.hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
.hint kbd { background: var(--gold-soft); border: 1px solid var(--line); border-radius: 4px;
  padding: 0 0.3rem; font-family: var(--serif); }
.facet-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.6rem; }

/* subcorpus (register) checkboxes */
.reg-bar { border: 1px solid var(--line); border-radius: 6px; padding: 0.45rem 0.8rem; margin: 0.7rem 0 0;
  display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.reg-bar legend { font-size: 0.8rem; color: var(--muted); font-weight: 600; padding: 0 0.3rem; }
.reg-chk { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.92rem; cursor: pointer;
  font-family: var(--serif); }
.reg-chk input { accent-color: var(--accent); cursor: pointer; }
.reg-genre { display: inline-flex; align-items: center; gap: 0.4rem; margin: 0; }
.reg-genre-label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.reg-hint { margin: 0; flex: 1 1 12rem; }

/* Reactive genre checklist (native <details> disclosure) */
.genre-details { position: relative; display: inline-block; }
.genre-details > summary { list-style: none; cursor: pointer; font-family: var(--serif);
  font-size: 0.9rem; padding: 0.25rem 0.55rem; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); white-space: nowrap; user-select: none; }
.genre-details > summary::-webkit-details-marker { display: none; }
.genre-details > summary::after { content: " ▾"; color: var(--muted); }
.genre-details[open] > summary { border-color: var(--accent); }
.genre-panel { position: absolute; z-index: 40; top: calc(100% + 4px); left: 0; min-width: 17rem;
  max-height: 60vh; overflow: auto; background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.14); padding: 0.5rem; }
.genre-actions { display: flex; gap: 0.5rem; padding: 0.1rem 0.3rem 0.45rem; border-bottom: 1px solid var(--line); margin-bottom: 0.35rem; }
.genre-actions button { font-size: 0.82rem; color: var(--accent); background: none; border: none;
  cursor: pointer; padding: 0.1rem 0.2rem; text-decoration: underline; }
.genre-grid { display: grid; grid-template-columns: 1fr; gap: 0.05rem; }
.genre-item { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.5rem;
  font-family: var(--serif); font-size: 0.9rem; padding: 0.2rem 0.35rem; border-radius: 4px; cursor: pointer; }
.genre-item:hover { background: var(--accent-soft); }
.genre-item input { accent-color: var(--accent); cursor: pointer; }
.genre-item .gcount { color: var(--muted); font-size: 0.8rem; font-variant-numeric: tabular-nums; }

/* Word list (frequency-list) view */
.wordlist p { max-width: 60rem; }
.wordlist-scope { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.6rem 0.9rem; }
.wordlist-scope .btn-primary { margin-left: auto; }

/* as-you-type "did you mean lemma X" suggestion */
.lemma-hint { margin: 0.4rem 0 0; font-size: 0.9rem; min-height: 1.2rem; }
.lemma-hint .lemma-suggest { border: 1px solid var(--gold); background: var(--gold-soft);
  color: var(--flag); border-radius: 999px; padding: 0.05rem 0.6rem; font: inherit;
  font-family: var(--serif); cursor: pointer; }
.lemma-hint .lemma-suggest:hover { background: var(--gold); color: #fff; }

/* sub-tabs within Corpus (Concordance / Frequency / Collocations / …) */
.subnav { display: flex; gap: 0.25rem; flex-wrap: wrap; margin: 0.2rem 0 1rem;
  border-bottom: 1px solid var(--line); }
.subnav button { border: none; background: none; cursor: pointer; font: inherit;
  padding: 0.4rem 0.8rem; color: var(--muted); border-bottom: 2px solid transparent; }
.subnav button.active { color: var(--accent-2); border-bottom-color: var(--gold); font-weight: 600; }

/* ---- concordance / KWIC ---- */
.result-meta { color: var(--muted); font-size: 0.9rem; margin: 0.2rem 0 0.8rem; }
.result-meta b { color: var(--fg); }
.kwic { width: 100%; border-collapse: collapse; font-family: var(--serif); }
.kwic td { padding: 0.28rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.kwic .k-left  { text-align: right; color: var(--fg); width: 42%; }
.kwic .k-node  { text-align: center; color: var(--kw); font-weight: 700; white-space: nowrap; }
.kwic .k-right { text-align: left; color: var(--fg); width: 42%; }
.kwic .k-ref   { font-family: var(--ui); font-size: 0.78rem; color: var(--muted); white-space: nowrap; }
.kwic .k-ref .snum { color: var(--gold); }
.kwic-trans td { border-bottom: 1px solid var(--line); padding: 0 0.4rem 0.5rem; }
.kwic-trans .eng { font-family: var(--ui); font-size: 0.85rem; color: var(--accent-2);
  background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 0.3rem 0.6rem;
  border-radius: 0 4px 4px 0; display: inline-block; }
.kwic-trans .eng::before { content: "EN "; color: var(--accent); font-weight: 700; font-size: 0.72rem; }
.kwic-trans .eng-cite { font-family: var(--ui); font-size: 0.72rem; color: var(--muted); font-style: italic; }
/* Machine (unproofed) translations — muted, no accent, and an EN·MT badge so they read
   clearly as auto-generated rather than the human/published parallel sources. */
.kwic-trans-mt .eng { color: var(--muted); background: transparent; border-left-color: var(--line); }
.kwic-trans-mt .eng::before { content: "EN·MT "; color: var(--muted); }
.mt-badge { font-family: var(--ui, monospace); font-size: 0.78em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; padding: 0 0.3em; white-space: nowrap; }

/* token part-of-speech / polarity chips shown on hover popovers */
.tok { cursor: default; }
.tok:hover { background: var(--gold-soft); border-radius: 3px; }

/* ---- generic data tables (frequency, collocations, dispersion) ---- */
.data-table { width: 100%; border-collapse: collapse; margin: 0.4rem 0; }
.data-table caption { text-align: left; color: var(--muted); font-size: 0.85rem; margin-bottom: 0.4rem; }
.data-table th, .data-table td { padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--line); text-align: left; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table thead th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.data-table th[scope=row] { font-family: var(--serif); font-weight: 500; }
.bar { position: relative; }
.bar .barfill { position: absolute; inset: 0; background: var(--accent-soft); border-radius: 3px; z-index: 0; }
.bar .barval { position: relative; z-index: 1; }

.chip { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.8rem;
  background: var(--accent-soft); color: var(--accent-2); border-radius: 999px; padding: 0.15rem 0.6rem; }
.chip.gold { background: var(--gold-soft); color: var(--flag); }
.pill-pos { color: var(--pos); } .pill-neg { color: var(--neg); }

.muted { color: var(--muted); }
.loading { color: var(--muted); font-style: italic; padding: 1rem 0; }
.error { color: var(--error); padding: 0.6rem 0.8rem; border: 1px solid var(--error);
  border-radius: 6px; background: #fbeaea; }
.pager { display: flex; gap: 0.5rem; align-items: center; margin: 0.8rem 0; }
.pager button { font: inherit; cursor: pointer; border: 1px solid var(--line); background: #fff;
  border-radius: 6px; padding: 0.3rem 0.7rem; }
.pager button:disabled { opacity: 0.4; cursor: default; }

/* docs / about */
.docs { max-width: 800px; }
.docs h2 { color: var(--accent-2); }
.docs h3 { color: var(--accent-2); margin-top: 1.6rem; }
.docs section { margin-top: 1rem; }
.docs code { background: var(--gold-soft); padding: 0 0.3rem; border-radius: 4px; font-size: 0.9em; }

/* composition total row */
.comp-total th, .comp-total td { font-weight: 700; border-top: 2px solid var(--line); }

/* Zipf log-log chart */
.zipf-wrap { overflow-x: auto; margin: 0.6rem 0; }
.zipf-svg { width: 100%; max-width: 760px; height: auto; font-family: var(--ui); }
.zipf-axis { stroke: var(--line); stroke-width: 1.5; }
.zipf-grid { stroke: var(--line); stroke-width: 1; opacity: 0.5; }
.zipf-curve { stroke: var(--accent); stroke-width: 2; }
.zipf-dot { fill: var(--kw); stroke: #fff; stroke-width: 1.5; }
.zipf-drop { stroke: var(--kw); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0.6; }
.zipf-label { fill: var(--kw); font-size: 13px; font-weight: 700; }
.zipf-tick { fill: var(--muted); font-size: 11px; }
.zipf-axtitle { fill: var(--muted); font-size: 12px; }

/* dispersion scatter */
.disp-svg { width: 100%; max-width: 680px; height: auto; display: block; }
.disp-diag { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 4; opacity: 0.6; }
.disp-dot.over { fill: var(--accent); fill-opacity: 0.55; }
.disp-dot.under { fill: var(--muted); fill-opacity: 0.4; }
.disp-lbl { fill: var(--accent-2); font-size: 11px; font-weight: 600; }

/* concordance example-ordering controls */
.ex-controls { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; margin: 0 0 0.8rem;
  font-size: 0.9rem; color: var(--muted); }
.ex-controls select { font: inherit; margin-left: 0.35rem; padding: 0.25rem 0.4rem;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--fg); }
.ex-check { display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; }
.ex-check input { cursor: pointer; }

/* ---- collocation word cloud ---- */
.cloud-wrap { margin: 0.4rem 0 0.8rem; }
.colloc-packed { width: 100%; max-width: 680px; height: auto; display: block; margin: 0 auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.pc-word { font-family: var(--serif); cursor: default; }
.pc-word:hover { fill: var(--kw) !important; }

/* ---- horizontal bar chart (frequency by genre) ---- */
.hbars { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.4rem 0 1rem; max-width: 720px; }
.hbar-row { display: grid; grid-template-columns: 11rem 1fr 4rem; align-items: center; gap: 0.6rem; }
.hbar-label { font-size: 0.9rem; text-align: right; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; color: var(--fg); }
.hbar-track { background: var(--accent-soft); border-radius: 4px; height: 1.25rem; overflow: hidden; }
.hbar-fill { background: var(--accent); height: 100%; border-radius: 4px; min-width: 2px; }
.hbar-val { font-variant-numeric: tabular-nums; font-size: 0.9rem; color: var(--muted); }
@media (max-width: 640px) { .hbar-row { grid-template-columns: 7rem 1fr 3.5rem; } }

/* ---- concordance reference link + bibliographic modal ---- */
.ref-link { border: none; background: none; padding: 0; font: inherit; font-size: 0.78rem;
  color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.ref-link:hover { color: var(--accent-2); }
.modal-overlay { position: fixed; inset: 0; background: rgba(26, 29, 26, 0.45);
  display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 1000; }
.modal { background: var(--panel); border-radius: var(--radius); border: 1px solid var(--line);
  max-width: 34rem; width: 100%; max-height: 85vh; overflow-y: auto; padding: 1.2rem 1.4rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25); }
.modal h3 { margin: 0 0 0.8rem; color: var(--accent-2); font-family: var(--serif); }
.modal p { margin: 0 0 0.8rem; }
.modal p:last-of-type { margin-bottom: 1.1rem; }
.info-btn { border: none; background: none; cursor: pointer; color: var(--muted);
  font-size: 0.9rem; padding: 0 0.15rem; line-height: 1; vertical-align: baseline; }
.info-btn:hover { color: var(--accent); }
.bib { display: grid; grid-template-columns: 8rem 1fr; gap: 0.35rem 0.9rem; margin: 0 0 1.1rem; }
.bib dt { color: var(--muted); font-size: 0.85rem; font-weight: 600; }
.bib dd { margin: 0; }
.bib dd a { color: var(--accent); word-break: break-all; }

@media (max-width: 640px) {
  .kwic .k-left, .kwic .k-right { width: auto; }
  .kwic .k-ref { display: none; }
  .bib { grid-template-columns: 6rem 1fr; }
}

/* ---- About → Corpus development: project-slide content, scoped under .corpus-dev ---- */
.corpus-dev {
  --card: var(--panel); --soft: var(--accent-soft); --data: var(--gold);
  --hatch: var(--line); --accent-2: #2e7d69;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.corpus-dev .cd-slide { padding: 1.6rem 0; border-top: 1px solid var(--line); }
.corpus-dev .cd-slide:first-of-type { border-top: none; padding-top: 0.4rem; }
.corpus-dev h2 { font-family: var(--serif); font-weight: 600; font-size: 1.55rem; line-height: 1.12;
  color: var(--fg); margin: 0 0 0.5rem; }
.corpus-dev .eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
.corpus-dev .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); display: inline-block; }
.corpus-dev .lede { font-size: 1rem; color: var(--muted); max-width: 64ch; margin: 0 0 8px; }
.corpus-dev em.tw { font-style: normal; font-family: var(--serif); color: var(--accent); font-weight: 600; }

.corpus-dev .gsteps { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin: 8px 0 4px; }
.corpus-dev .gstep { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.corpus-dev .gstep .k { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.corpus-dev .gstep h3 { margin: 8px 0 6px; font-size: 16px; font-weight: 650; font-family: var(--ui); color: var(--fg); }
.corpus-dev .gstep p { margin: 0; font-size: 12.5px; color: var(--muted); }
.corpus-dev .gstep .metric { font-family: var(--mono); font-size: 11.5px; color: var(--data); margin-top: 9px; }

.corpus-dev .cd-comptitle { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; margin: 24px 0 6px; color: var(--fg); }
.corpus-dev .compbar { display: flex; height: 48px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); margin: 8px 0 16px; }
.corpus-dev .seg { position: relative; display: flex; align-items: center; justify-content: center; color: #fff; min-width: 0; }
.corpus-dev .seg.gen { background: var(--accent); }
.corpus-dev .seg.chi { background: var(--accent-2); }
.corpus-dev .seg.doc { background: repeating-linear-gradient(45deg, var(--hatch), var(--hatch) 7px, transparent 7px, transparent 14px), var(--card); color: var(--muted); border-left: 2px dashed var(--muted); }
.corpus-dev .seg .exc { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); white-space: nowrap; font-family: var(--mono); font-size: 11px; letter-spacing: .05em; color: var(--muted); text-transform: uppercase; }
.corpus-dev .complegend { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 6px; }
.corpus-dev .leg { border-left: 3px solid var(--accent); padding: 2px 0 2px 12px; }
.corpus-dev .leg.chi { border-color: var(--accent-2); }
.corpus-dev .leg.doc { border-color: var(--muted); }
.corpus-dev .leg .name { font-size: 14px; font-weight: 650; color: var(--fg); }
.corpus-dev .leg .fig { font-family: var(--mono); font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.corpus-dev .leg .flag { display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--data); border: 1px solid var(--data); border-radius: 20px; padding: 1px 7px; margin-top: 5px; }
.corpus-dev .basecall { margin-top: 16px; font-size: 13.5px; color: var(--fg); background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
.corpus-dev .basecall b { color: var(--accent); }
.corpus-dev .cd-note { margin-top: 10px; font-size: 13px; color: var(--muted); border-left: 3px solid var(--line); padding: 2px 0 2px 14px; }
.corpus-dev .cd-note b { color: var(--fg); }

.corpus-dev .flow { display: grid; gap: 12px; margin-top: 18px; }
.corpus-dev .step { display: grid; grid-template-columns: 38px 1fr; gap: 16px; align-items: start; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 15px 18px; }
.corpus-dev .step .n { font-family: var(--serif); font-size: 17px; font-weight: 600; color: #fff; background: var(--accent); width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; line-height: 1; }
.corpus-dev .step h3 { margin: 1px 0 3px; font-size: 15.5px; font-weight: 650; font-family: var(--ui); color: var(--fg); }
.corpus-dev .step p { margin: 0; font-size: 13px; color: var(--muted); }
.corpus-dev .step .models { font-family: var(--mono); font-size: 11.5px; color: var(--accent-2); margin-top: 5px; }

.corpus-dev .hero-stat { display: flex; align-items: baseline; gap: 16px; margin: 18px 0 6px; flex-wrap: wrap; }
.corpus-dev .hero-stat .big { font-family: var(--serif); font-size: clamp(48px,8vw,80px); font-weight: 600; color: var(--accent); line-height: .9; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.corpus-dev .hero-stat .cap { font-size: 15px; color: var(--muted); max-width: 30ch; }
.corpus-dev table { width: 100%; border-collapse: collapse; margin: 18px 0 8px; font-variant-numeric: tabular-nums; }
.corpus-dev th, .corpus-dev td { text-align: right; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.corpus-dev th:first-child, .corpus-dev td:first-child { text-align: left; }
.corpus-dev thead th { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; border-bottom: 1.5px solid var(--fg); }
.corpus-dev tbody td { font-family: var(--mono); font-size: 15px; color: var(--fg); }
.corpus-dev tbody td:first-child { font-family: var(--ui); font-size: 14px; color: var(--muted); }
.corpus-dev tbody tr:last-child td { border-bottom: none; }
.corpus-dev tbody tr.subrow td { font-size: 13px; color: var(--muted); padding-top: 5px; padding-bottom: 5px; border-bottom: none; }
.corpus-dev tbody tr.subrow td:first-child { padding-left: 28px; font-size: 12.5px; }
.corpus-dev .val { color: var(--fg); font-weight: 700; }
.corpus-dev .note { font-size: 12.5px; color: var(--muted); margin-top: 14px; padding-left: 14px; border-left: 2px solid var(--data); max-width: 74ch; }

.corpus-dev .bars { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 20px; }
.corpus-dev .barcard { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.corpus-dev .barcard h3 { margin: 0 0 3px; font-size: 15px; font-family: var(--ui); font-weight: 650; color: var(--fg); }
.corpus-dev .barcard .sub { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-bottom: 14px; letter-spacing: .03em; }
.corpus-dev .barrow { display: grid; grid-template-columns: 56px 1fr 48px; align-items: center; gap: 10px; margin: 9px 0; }
.corpus-dev .barrow .lbl { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.corpus-dev .track { height: 14px; background: var(--soft); border-radius: 7px; overflow: hidden; }
.corpus-dev .fill { height: 100%; border-radius: 7px; }
.corpus-dev .fill.a { background: var(--line); }
.corpus-dev .fill.b { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.corpus-dev .barrow .pct { font-family: var(--mono); font-size: 13px; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; color: var(--fg); }
.corpus-dev .wins { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 20px; }
.corpus-dev .win { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.corpus-dev .win .w-form { font-family: var(--serif); font-size: 19px; color: var(--accent); font-weight: 600; }
.corpus-dev .win .w-gloss { font-size: 12px; color: var(--muted); margin: 1px 0 9px; }
.corpus-dev .win .w-move { font-family: var(--mono); font-size: 12.5px; color: var(--fg); }
.corpus-dev .arrow { color: var(--data); font-weight: 700; }
@media (max-width: 680px) {
  .corpus-dev .gsteps, .corpus-dev .complegend, .corpus-dev .wins, .corpus-dev .bars { grid-template-columns: 1fr; }
}