/* Data-Butler Walkthroughs - ruhige, typografische Thesis-Ästhetik.
   Deterministisch = neutrales Grün-Grau, LLM-stochastisch = ein warmer Akzent.
   Viel Weissraum, feine Linien, zurückhaltende Farbe. */

:root {
  --ink: #23282f;
  --ink-soft: #5c6470;
  --ink-faint: #8b919b;
  --paper: #f6f5f1;
  --card: #ffffff;
  --line: #e4e0d6;
  --line-soft: #efece4;
  --accent: #2e4a62;          /* ruhiges Tafelblau für Struktur/Links */
  --det-bg: #eaf1ea;
  --det-ink: #38543e;
  --det-line: #cfe0d2;
  --llm-bg: #f8eedb;          /* der eine warme Akzent: Interpretation */
  --llm-ink: #8a5a08;
  --llm-line: #e7d4ac;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --serif: Charter, "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* Das hidden-Attribut muss alle display-Regeln schlagen (sonst bleiben Overlays sichtbar). */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.56;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Vor-Gate-Teaser + Passwort-Schloss ---------- */
/* Namensfreie Erklärseite VOR der Passwort-Eingabe: scrollbare Spalte statt
   zentrierter Box - der Link allein soll die Arbeit schon erklären. */
.lock {
  position: fixed;
  inset: 0;
  overflow-y: auto;
  background: var(--paper);
  z-index: 40;
}
.teaser-col {
  max-width: 720px;
  margin: 0 auto;
  padding: 54px 24px 90px;
}
.lock-mark {
  font-family: var(--serif);
  font-size: 34px;
  letter-spacing: 0.01em;
}
.teaser-sub {
  color: var(--ink-soft);
  font-size: 15px;
  font-family: var(--serif);
  margin: 6px 0 22px;
}
.teaser-what {
  font-family: var(--serif);
  font-size: 15.5px;
  color: var(--ink);
  margin: 0 0 10px;
}
.teaser-claims-head {
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 26px 0 10px;
}
.teaser-claims { display: flex; flex-direction: column; gap: 10px; }
.teaser-claim {
  margin: 0;
  padding: 12px 16px 12px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--det-ink);
  border-radius: 8px;
  font-family: var(--serif);
  font-size: 14.5px;
}
.lock-box {
  width: min(380px, 88vw);
  margin: 26px 0 0;
  text-align: left;
}
.lock-box input {
  width: 100%;
  font: 15px var(--sans);
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--card);
  outline: none;
}
.lock-box input:focus { border-color: var(--accent); }
.lock-box button {
  width: 100%;
  margin-top: 10px;
  font: 15px var(--sans);
  padding: 11px;
  border: none;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.lock-box button:hover { background: #26405a; }
.lock-err { color: #9a3b3b; font-size: 13px; margin-top: 14px; }
.lock-busy { color: var(--ink-soft); font-size: 13px; margin-top: 14px; }

/* ---------- iPad-Schwelle ---------- */
.mobile-gate {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--paper);
  z-index: 30;
  text-align: center;
}
.mg-line { font-family: var(--serif); font-size: 19px; margin: 0 0 10px; }
.mg-sub { color: var(--ink-soft); font-size: 14px; margin: 0; max-width: 420px; }

/* ---------- Topbar / Breadcrumbs ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 24px;
  background: rgba(246, 245, 241, 0.92);
  backdrop-filter: saturate(120%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.crumbs {
  flex: 1;
  font-size: 13.5px;
  color: var(--ink-soft);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.crumbs a { color: var(--accent); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { color: var(--ink-faint); margin: 0 7px; }
.crumbs .here { color: var(--ink); }

.ghost-btn {
  font: 13px var(--sans);
  color: var(--accent);
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  white-space: nowrap;
}
.ghost-btn:hover { background: #efece4; }

/* Suche in der Topbar */
.search-wrap { position: relative; flex: 0 0 auto; }
#search {
  font: 13px var(--sans); width: 230px; max-width: 36vw;
  padding: 6px 11px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--card); outline: none; color: var(--ink);
}
#search:focus { border-color: var(--accent); width: 300px; }
.search-results {
  position: absolute; top: calc(100% + 6px); right: 0;
  width: min(420px, 80vw); max-height: 60vh; overflow-y: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.12); z-index: 25; padding: 5px;
}
.search-hit { display: block; padding: 8px 10px; border-radius: 6px; text-decoration: none; color: inherit; }
.search-hit:hover { background: var(--line-soft); }
.sh-title { font-family: var(--serif); font-size: 14px; color: var(--ink); }
.sh-sub { font-size: 11.5px; color: var(--ink-soft); margin-top: 1px; }
.search-empty { padding: 10px; font-size: 13px; color: var(--ink-soft); }

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 24px 96px;
}

/* ---------- Ebene 1: Startseite ---------- */
.hero { margin: 14px 0 22px; }
.hero h1 {
  font-family: var(--serif);
  font-size: 32px;
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}
.hero .lead { color: var(--ink); font-family: var(--serif); font-size: 16.5px; max-width: 820px; margin: 0 0 6px; }
.hero .hero-note { color: var(--ink-soft); font-size: 13.5px; max-width: 820px; margin: 0; }

/* Echtes Frage->Antwort-Beispiel im Hero (verschlüsselt geladen). */
.hero-example {
  margin: 20px 0 30px;
  padding: 18px 22px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--det-ink);
  border-radius: 8px;
}
.ex-label {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 12px;
}
.ex-more { display: inline-block; margin-top: 12px; text-decoration: none; }

/* Dialog-Bubbles (Hero-Beispiel + Fallseite). */
.dialog { display: flex; flex-direction: column; gap: 10px; max-width: 880px; }
.bubble {
  max-width: 92%;
  border-radius: 15px;
  padding: 11px 16px 12px;
  border: 1px solid var(--line);
}
.bubble.user {
  align-self: flex-end;
  background: #e8eff5;
  border-bottom-right-radius: 5px;
}
.bubble.answer {
  align-self: flex-start;
  background: var(--card);
  border-left: 3px solid var(--det-ink);
  border-bottom-left-radius: 5px;
}
.bubble-label {
  font-size: 10.5px; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 3px;
}
.bubble.user .bubble-label { color: var(--accent); }
.bubble .bubble-text { margin: 0; font-family: var(--serif); font-size: 15.5px; color: var(--ink); }
.case-dialog { margin: 14px 0 12px; }
.case-dialog .bubble.user { align-self: flex-start; border-bottom-right-radius: 15px; border-bottom-left-radius: 5px; }

/* Lange Hero-Antwort sanft ausblenden statt hart schneiden. */
.bubble.clamp .bubble-text {
  max-height: 150px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(#000 65%, transparent);
  mask-image: linear-gradient(#000 65%, transparent);
}

/* Ergebnis-Karten: satzgeführt, keine Grossziffern. */
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 760px) { .evidence-grid { grid-template-columns: 1fr; } }
.ev-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  border-radius: 8px;
  padding: 15px 18px;
}
.ev-card.tone-det { border-top-color: var(--det-ink); }
.ev-card.tone-llm { border-top-color: var(--llm-ink); }
.ev-card.tone-accent { border-top-color: var(--accent); }
.ev-claim { font-family: var(--serif); font-size: 16.5px; color: var(--ink); margin-bottom: 6px; }
.ev-body { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.ev-foot { font-size: 12.5px; color: var(--ink-faint); margin: 10px 0 30px; }

/* So lesen Sie dieses Tool. */
.howto { margin: 0 0 30px; }
.howto .label {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 8px;
}
.howto-list { margin: 0; padding: 0 0 0 4px; list-style: none; counter-reset: step; }
.howto-step {
  counter-increment: step;
  position: relative;
  padding: 4px 0 4px 34px;
  font-size: 14px;
  color: var(--ink-soft);
}
.howto-step b { color: var(--ink); }
.howto-step::before {
  content: counter(step);
  position: absolute; left: 0; top: 6px;
  width: 21px; height: 21px; line-height: 21px; text-align: center;
  border-radius: 50%;
  background: var(--det-bg); color: var(--det-ink);
  font-size: 12px; font-weight: 600;
}
.howto-foot { font-size: 13px; color: var(--ink-soft); margin: 10px 0 0 4px; }

.how {
  font-size: 14.5px;
  color: var(--ink-soft);
  font-family: var(--serif);
  max-width: 800px;
  margin: 0 0 28px;
}
.how b { color: var(--ink); }
.section-title {
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 14px;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}
.group-card {
  display: block;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.12s, transform 0.12s;
}
.group-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.group-card .gc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.group-card h3 { font-family: var(--serif); font-size: 17px; margin: 0; }
.group-card .gc-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  background: var(--line-soft);
  border-radius: 10px;
  padding: 1px 8px;
  white-space: nowrap;
}
.group-card p { font-size: 13.5px; color: var(--ink-soft); margin: 8px 0 0; }
.group-card .gc-foot { font-size: 12px; color: var(--ink-faint); margin-top: 10px; }

/* ---------- Ebene 2: Gruppe -> Familien ---------- */
.group-head h2 { font-family: var(--serif); font-size: 23px; margin: 6px 0 4px; }
.group-head .desc { color: var(--ink-soft); font-size: 15px; max-width: 800px; margin: 0 0 20px; }

.fam-list { display: flex; flex-direction: column; gap: 8px; }
.fam-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 7px;
  padding: 13px 16px; text-decoration: none; color: inherit; cursor: pointer;
}
.fam-row:hover { border-color: var(--accent); }
.fr-main { flex: 1; min-width: 0; }
.fr-title { font-family: var(--serif); font-size: 16px; color: var(--ink); }
.fr-sub { margin-top: 3px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.fr-slug { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.fr-meta { font-size: 12.5px; color: var(--ink-soft); }
.fr-right { flex: 0 0 auto; }
.fr-go { color: var(--ink-faint); font-size: 22px; }

/* ---------- Ebene 3: Familie -> Varianten/Turns ---------- */
.scenario-head {
  font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-faint); margin: 14px 0 2px; padding-left: 2px;
}
.case-list { display: flex; flex-direction: column; gap: 8px; }
.case-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 7px;
  padding: 12px 16px; cursor: pointer; text-decoration: none; color: inherit;
}
.case-row:hover { border-color: var(--accent); }
.cr-id { flex: 1; min-width: 0; }
.cr-variant { font-size: 12.5px; color: var(--accent); font-weight: 600; }
.cr-title { font-family: var(--serif); font-size: 14.5px; color: var(--ink); margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.cr-status { flex: 0 0 auto; }

.chip {
  font-size: 11px;
  font-family: var(--sans);
  padding: 2px 9px;
  border-radius: 10px;
  white-space: nowrap;
}
.chip.linear { background: var(--det-bg); color: var(--det-ink); border: 1px solid var(--det-line); }
.chip.branched { background: var(--llm-bg); color: var(--llm-ink); border: 1px solid var(--llm-line); }

/* ---------- Ebene 4: Fallseite ---------- */
.case-head { margin-bottom: 8px; }
.case-head h2 { font-family: var(--serif); font-size: 22px; margin: 4px 0 2px; }
.case-head .case-tags { display: flex; gap: 8px; align-items: center; margin: 2px 0 4px; }
.case-head .slug-tag, .case-head .turn-tag {
  font-family: var(--mono); font-size: 11px; padding: 1px 8px; border-radius: 9px;
  background: var(--line-soft); color: var(--ink-faint);
}
.case-head .turn-tag { font-family: var(--sans); background: #e8eff5; color: var(--accent); }
.case-head .meta { color: var(--ink-soft); font-size: 13px; margin-bottom: 4px; }
.case-head .meta .dot { color: var(--ink-faint); margin: 0 7px; }

.fullview-toggle { margin: 4px 0 16px; }

/* Antwort-Karte: vollständige Antwort(en) mit Häufigkeit, direkt unter der Frage. */
.answer-card { margin: 0 0 14px; border-left: 3px solid var(--det-ink); }
.answer-card .label {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--det-ink); margin-bottom: 6px;
}
.variant-explain-row {
  display: flex; align-items: flex-start; gap: 12px; margin: 0 0 10px;
}
.variant-explain { font-size: 13px; color: var(--ink-soft); margin: 0; flex: 1; }
.variants-toggle { flex: 0 0 auto; }
.variant { border-top: 1px solid var(--line-soft); padding: 9px 0 4px; }
.variant:first-of-type { border-top: none; padding-top: 2px; }
.variant-head { display: flex; align-items: baseline; gap: 10px; }
.variant-k {
  font-size: 11.5px; font-weight: 600; color: var(--det-ink);
  background: var(--det-bg); border: 1px solid var(--det-line);
  border-radius: 9px; padding: 1px 9px; white-space: nowrap;
}
.variant-k.clar { color: var(--llm-ink); background: var(--llm-bg); border-color: var(--llm-line); }
.variant-head .nd-toggle { margin-left: 0; }
.variant-body { margin-top: 7px; }
.variant:not(.open) .variant-body { display: none; }
.answer-text {
  font-family: var(--serif); font-size: 15px; color: var(--ink);
  white-space: pre-wrap; word-break: break-word; max-width: 860px;
}
.variant.clarify .answer-text { color: var(--llm-ink); }
.variant-note { font-size: 12.5px; color: var(--ink-soft); font-style: italic; margin: 8px 0 2px; }

/* Chart-Figur: das aufgezeichnete PNG (base64 aus dem verschlüsselten Payload). */
.answer-figure {
  margin: 14px 0 4px;
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.answer-figure img {
  display: block; width: 100%; max-width: 860px; height: auto;
  border: 1px solid var(--line-soft); border-radius: 6px;
}
.answer-figure figcaption {
  font-family: var(--serif); font-size: 12.5px; color: var(--ink-soft); margin-top: 8px;
}

/* Gesprächs-Kontextleiste (nur Mehr-Turn-Fälle). */
.chain-box { margin: 0 0 14px; }
.chain-box .label {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 8px;
}
.context-strip { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.turn-pill {
  flex: 0 0 auto; max-width: 240px;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 11px; text-decoration: none; color: inherit; background: var(--paper);
}
.turn-pill:hover { border-color: var(--accent); }
.turn-pill.active { background: #e8eff5; border-color: var(--accent); }
.turn-pill .tp-n { display: block; font-size: 11px; font-weight: 600; color: var(--accent); }
.turn-pill .tp-q {
  display: block; font-family: var(--serif); font-size: 12px; color: var(--ink-soft);
  margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Ablauf-Sektion: der Beweis-Layer, standardmässig zugeklappt. */
.flow-fold {
  margin: 6px 0 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: 8px;
  padding: 14px 20px;
}
.flow-fold-head { display: flex; align-items: flex-start; gap: 14px; }
.ff-text { flex: 1; min-width: 0; }
.ff-text h3 { font-family: var(--serif); font-size: 17.5px; margin: 0 0 4px; }
.ff-sub { font-size: 13px; color: var(--ink-soft); margin: 0; max-width: 760px; }
.ff-sub2 { margin-top: 5px; font-size: 12.5px; color: var(--ink-faint); }
.ff-btn { flex: 0 0 auto; margin-top: 2px; }
.ff-body { display: none; margin-top: 14px; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.flow-fold.open .ff-body { display: block; }
.ff-body > .nd-note { display: block; margin: 0 0 10px; }

/* Glossar */
.gl-card { margin: 0 0 14px; }
.gl-card .label {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 10px;
}
.gl-sub { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 10px; }
.gl-table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.gl-table td { border-top: 1px solid var(--line-soft); padding: 7px 10px 7px 0; vertical-align: top; }
.gl-table tr:first-child td { border-top: none; }
.gl-key { font-family: var(--mono); font-size: 12px; color: var(--accent); white-space: nowrap; padding-right: 18px; }
.gl-key-wrap { white-space: normal; min-width: 190px; max-width: 260px; }

/* Ergebnis-Karten-Link + Transparenz-Layer (Contract, Prompts) */
.ev-more { display: inline-block; margin-top: 8px; font-size: 13px; text-decoration: none; }
.ev-more:hover { text-decoration: underline; }
.contract-fold { border-left-color: #cdd8e2; }
/* .nd-out setzt white-space: pre und steht spaeter im Stylesheet -> Spezifitaet erhoehen. */
.nd-out.contract-pre { max-height: 480px; white-space: pre-wrap; word-break: break-word; }
.nd-out.prompt-pre { max-height: 340px; white-space: pre-wrap; word-break: break-word; font-size: 11.5px; }
.prompt-src { font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); margin-top: 6px; }

/* Lesehilfe unter der Antwort: erklaert wiederkehrende Antwort-Formate. */
.reading-aid {
  margin-top: 12px;
  padding: 10px 14px;
  background: #f4f6f8;
  border: 1px dashed var(--line);
  border-radius: 7px;
}
.ra-label {
  font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 4px; font-weight: 600;
}
.ra-text { font-family: var(--serif); font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.ra-text + .ra-text { margin-top: 7px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px 20px;
}
.card.intro, .card.conclusion { border-left: 3px solid var(--accent); }
.card.intro .label, .card.conclusion .label {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px;
}
.prose { font-family: var(--serif); font-size: 15px; margin: 0; }
.prose + .prose { margin-top: 8px; }

/* Phasen-Fluss: Karten mit feinen Verbindungslinien + k/N-Label an der Kante */
.flow { margin: 8px 0; }
.connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 30px;
  position: relative;
}
.connector .line { width: 1.5px; flex: 1; background: var(--det-line); }
.connector.llm .line { background: var(--llm-line); }
.connector .kn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: calc(50% + 10px);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--paper);
  padding: 0 4px;
  white-space: nowrap;
}

.phase {
  position: relative;
  border-left: 3px solid var(--det-line);
}
.phase.kind-llm_stochastic { border-left-color: var(--llm-line); }
.phase-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.phase-head .step-no { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }
.phase-head h3 { font-family: var(--serif); font-size: 16.5px; margin: 0; }
.badge {
  font-size: 10.5px;
  letter-spacing: 0.03em;
  padding: 2px 9px;
  border-radius: 10px;
  white-space: nowrap;
}
.badge.det { background: var(--det-bg); color: var(--det-ink); }
.badge.llm { background: var(--llm-bg); color: var(--llm-ink); }
.toggle {
  margin-left: auto;
  font: 12px var(--sans);
  color: var(--accent);
  background: none;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
}
.toggle:hover { background: #efece4; }
.phase .prose { margin-top: 9px; }

.details { display: none; margin-top: 13px; border-top: 1px solid var(--line-soft); padding-top: 6px; }
.phase.open .details { display: block; }

/* Knoten-Detail */
.nnum {
  font-family: var(--mono); font-size: 11px; color: var(--ink-soft);
  background: var(--line-soft); border-radius: 8px; padding: 1px 7px; flex: 0 0 auto;
}
.key-node { padding: 11px 0 4px; border-bottom: 1px dotted var(--line-soft); }
.node-head {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12.5px;
}
.node-head .nfn { font-weight: 600; color: var(--ink); }
.node-head .nsite { color: var(--ink-faint); }
.node-head .ntag {
  font-family: var(--sans); font-size: 10px; padding: 1px 6px; border-radius: 8px;
  background: var(--line-soft); color: var(--ink-soft);
}
.ntag.llm_call { background: var(--llm-bg); color: var(--llm-ink); }
.ntag.contract_delta { background: #e8eff5; color: var(--accent); }
.ntag.decision { background: #efe9f3; color: #5a4a72; }
.node-head .kn { color: var(--ink-soft); }
.key-node .prose { font-size: 14px; margin-top: 5px; }

/* "Details"-Knopf je Knoten */
.nd-toggle {
  margin-left: auto; font: 11px var(--sans); color: var(--accent);
  background: none; border: 1px solid var(--line); border-radius: 5px;
  padding: 1px 9px; cursor: pointer; white-space: nowrap;
}
.nd-toggle:hover { background: #efece4; }
.nd-toggle.on { background: var(--accent); color: #fff; border-color: var(--accent); }

.plumb-label {
  font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint); margin: 14px 0 4px;
}
.plumb-row {
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
  padding: 5px 0; border-top: 1px dotted var(--line-soft);
  display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap;
}
.plumb-row .nfn { color: var(--ink); }
.plumb-row .kn { color: var(--ink-soft); }

/* aufklappbarer Detail-Block je Knoten */
.node-detail { display: none; margin: 6px 0 4px; padding: 11px 13px;
  background: var(--line-soft); border-radius: 6px; }
.node-detail.open { display: block; }
.nd-note { font-family: var(--sans); font-size: 11.5px; color: var(--ink-soft);
  margin: 0 0 8px; font-style: italic; }
.nd-outhead {
  font-family: var(--sans); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent); margin: 10px 0 4px; font-weight: 600;
}
.nd-sub { font-family: var(--sans); font-size: 10.5px; color: var(--ink-faint);
  text-transform: uppercase; letter-spacing: 0.05em; margin: 6px 0 3px; }
.nd-field { font-size: 12px; margin: 3px 0; word-break: break-word; display: flex; gap: 8px; }
.nd-field.wide { flex-direction: column; gap: 2px; }
.nd-field .k { font-family: var(--sans); color: var(--ink-soft); flex: 0 0 130px; }
.nd-field.wide .k { flex: none; }
.nd-field .v { font-family: var(--mono); font-size: 11.5px; color: var(--ink); }
.nd-sample {
  font-family: var(--mono); font-size: 11px; color: var(--ink-soft);
  background: var(--card); border: 1px solid var(--line-soft); border-radius: 5px;
  padding: 5px 8px; margin-top: 4px; white-space: pre-wrap; word-break: break-word;
}

/* Verzweigung */
.branch-block { margin: 6px 0; }
.branch-box {
  border: 1px solid var(--llm-line);
  background: var(--llm-bg);
  border-radius: 8px;
  padding: 13px 17px;
}
.branch-box .branch-title { font-weight: 600; font-size: 13px; color: var(--llm-ink); margin-bottom: 6px; }
.branch-box .branch-part { margin: 6px 0 0; font-family: var(--serif); font-size: 14px; }
.branch-box .branch-part b {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.05em; color: var(--llm-ink);
  display: inline-block; margin-right: 4px;
}

/* Arme nebeneinander */
.arms {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.arm-col { flex: 1 1 0; min-width: 260px; }
.arm-head {
  font-size: 12.5px;
  color: var(--accent);
  border-top: 2px solid var(--accent);
  padding: 6px 2px;
  margin-bottom: 8px;
  display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap;
}
.arm-head .arm-name { font-weight: 600; }
.arm-head .arm-src { color: var(--ink-soft); font-family: var(--mono); font-size: 11px; }
.arm-head .kn { color: var(--ink-soft); font-family: var(--mono); font-size: 11px; margin-left: auto; }
.arm-col .card { padding: 13px 15px; }
.arm-col .prose { font-size: 14px; }
.arm-ended .arm-head { border-top-color: var(--ink-faint); color: var(--ink-soft); }
.ended-note { border-left-color: var(--ink-faint); background: #faf9f6; }
.ended-note .prose { color: var(--ink-soft); font-style: italic; }

/* Fazit + Thesen */
.thesis-list { font-family: var(--serif); font-size: 15px; margin: 8px 0 0; padding-left: 22px; }
.thesis-list li { margin-bottom: 6px; }

/* ---------- Overlay (Legende) ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(35, 40, 47, 0.34);
  display: flex; justify-content: flex-end;
}
.overlay-panel {
  width: min(720px, 94vw);
  height: 100%;
  background: var(--paper);
  box-shadow: -8px 0 30px rgba(0,0,0,0.14);
  display: flex; flex-direction: column;
  animation: slidein 0.16s ease-out;
}
.overlay-narrow { width: min(540px, 94vw); }
@keyframes slidein { from { transform: translateX(18px); opacity: 0.6; } to { transform: none; opacity: 1; } }
.overlay-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--card);
}
.overlay-title { font-family: var(--serif); font-size: 17px; }

/* Legende */
.legend-body { padding: 20px 24px; overflow-y: auto; }
.legend-row { display: flex; gap: 12px; align-items: baseline; margin-bottom: 14px; font-size: 14px; }
.legend-row > span:first-child { flex: 0 0 auto; }
.branch-mark { color: var(--llm-ink); font-size: 16px; }
.kn-chip {
  font-family: var(--mono); font-size: 11px; padding: 2px 8px; border-radius: 9px;
  background: var(--line-soft); color: var(--ink-soft);
}
.legend-row > span:first-child.lg-field {
  font-family: var(--sans); font-size: 11px; color: var(--accent);
  background: #e8eff5; border-radius: 6px; padding: 2px 8px; min-width: 110px; text-align: center;
}
.legend-divider {
  margin: 20px 0 10px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint);
}
.legend-intro { font-size: 13px; color: var(--ink-soft); margin: 0 0 14px; }
.legend-intro b { color: var(--ink); }

@media (max-width: 980px) {
  #search:focus { width: 230px; }
}

/* ---------- Sub-Label-Gliederung der Untergruppen ---------- */
.subgroup-title {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint); margin: 24px 0 10px; padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
}
.subgroup-title:first-of-type { margin-top: 6px; }

/* ---------- Verschachtelte Checks in der Familien-Ansicht ---------- */
.check-header {
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); margin: 22px 0 8px; padding-top: 14px;
  border-top: 1px solid var(--line);
}
.cr-variant-row { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.cr-slug {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint);
  background: var(--line-soft); border-radius: 8px; padding: 0 7px;
}
.scenario-head.check-scen { color: var(--accent); }

/* ---------- Konvergenz / Join: Arme laufen wieder zusammen ---------- */
.join { margin: 4px 0 8px; }
.join-merge {
  height: 16px; width: 62%; margin: 0 auto;
  border-left: 1.5px solid var(--det-line); border-right: 1.5px solid var(--det-line);
  border-bottom: 1.5px solid var(--det-line); border-radius: 0 0 14px 14px;
}
.join-card {
  background: var(--det-bg); border: 1px solid var(--det-line);
  border-radius: 8px; padding: 11px 16px;
}
.join-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.join-head .join-name { font-weight: 600; font-size: 13px; color: var(--det-ink); }
.join-head .join-name::before { content: "⤸ "; }
.join-head .kn { font-family: var(--mono); font-size: 11px; color: var(--det-ink); margin-left: auto; }
.join-answer { font-family: var(--serif); font-size: 14px; color: var(--ink); margin: 7px 0 0; }
.join-mark { color: var(--det-ink); font-size: 16px; }

/* ---------- Detail-Block: eine volle, scrollbare Ausgabe ---------- */
.nd-out {
  font-family: var(--mono); font-size: 11px; color: var(--ink);
  background: var(--card); border: 1px solid var(--line-soft); border-radius: 5px;
  padding: 8px 10px; margin: 4px 0; max-height: 260px; overflow: auto;
  white-space: pre; tab-size: 2; -moz-tab-size: 2;
}

/* ---------- Ablations-Sektion (eigenständige, beispielgetriebene Mess-Ansicht) ---------- */
.group-card.tafel { border-left: 3px solid var(--llm-ink); background: #fffdf8; }

.abl-head { margin-bottom: 22px; }
.abl-badge {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--llm-ink); background: var(--llm-bg); border: 1px solid var(--llm-line);
  border-radius: 10px; padding: 2px 10px; margin: 4px 0 12px;
}
.abl-head .desc { font-family: var(--serif); font-size: 15px; max-width: 820px; }

/* Nummerierte Erklär-Blöcke (1, 4, 5) */
.abl-block { margin: 16px 0; border-left: 3px solid var(--accent); }
.abl-block-h { font-family: var(--serif); font-size: 16.5px; margin: 0 0 8px; }
.abl-block .prose { font-size: 14.5px; }

.abl-h { font-family: var(--serif); font-size: 18px; margin: 30px 0 4px; }
.abl-sub { font-size: 13.5px; color: var(--ink-soft); font-family: var(--serif); margin: 0 0 14px; max-width: 820px; }

/* (2) Base / M1 / M2 nebeneinander */
.abl-variants { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 6px 0 8px; }
.abl-vcol { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 15px; border-top: 3px solid var(--line); }
.abl-vcol.tone-det { border-top-color: var(--det-ink); }
.abl-vcol.tone-mid { border-top-color: var(--accent); }
.abl-vcol.tone-llm { border-top-color: var(--llm-ink); }
.abl-vhead { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.abl-vkey { font-family: var(--serif); font-size: 17px; font-weight: 600; }
.abl-vtag { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); background: var(--line-soft); border-radius: 9px; padding: 1px 8px; }
.abl-vcol.tone-det .abl-vtag { color: var(--det-ink); background: var(--det-bg); }
.abl-vcol.tone-llm .abl-vtag { color: var(--llm-ink); background: var(--llm-bg); }
.abl-vfield { margin: 8px 0; }
.abl-vk { font-family: var(--sans); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 2px; }
.abl-vv { font-size: 13px; color: var(--ink); line-height: 1.5; }

/* (3) Worked Examples */
.abl-example { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; margin: 14px 0; }
.abl-ex-case { font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.abl-ex-q { font-family: var(--serif); font-style: italic; font-size: 16px; color: var(--ink); margin: 0 0 8px; }
.abl-ex-soll { display: inline-flex; align-items: baseline; gap: 8px; margin: 0 0 12px; padding: 3px 12px; background: var(--det-bg); border: 1px solid var(--det-line); border-radius: 8px; }
.abl-soll-k { font-family: var(--sans); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--det-ink); }
.abl-soll-v { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--det-ink); }
.abl-ex-tablewrap { overflow-x: auto; }
.abl-ex-table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
.abl-ex-table th, .abl-ex-table td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.abl-ex-table th { background: var(--line-soft); font-family: var(--sans); font-size: 11px; letter-spacing: 0.03em; }
.abl-ex-v { font-family: var(--mono); font-size: 11.5px; color: var(--ink); white-space: nowrap; }
.abl-ex-task { color: var(--ink-soft); min-width: 180px; }
.abl-ex-exp { font-family: var(--mono); font-size: 11.5px; white-space: nowrap; }
.abl-ex-del { color: var(--ink); min-width: 150px; }
.abl-ex-quotecell { text-align: center; }
.abl-quote { font-family: var(--mono); font-size: 13px; font-weight: 600; padding: 2px 10px; border-radius: 10px; white-space: nowrap; display: inline-block; }
.abl-quote.tone-ok { background: var(--det-bg); color: var(--det-ink); border: 1px solid var(--det-line); }
.abl-quote.tone-warn { background: var(--llm-bg); color: var(--llm-ink); border: 1px solid var(--llm-line); }
.abl-quote.tone-fail { background: #f7e3e1; color: #9a3b3b; border: 1px solid #e7c4bf; }
.abl-ex-table tr.tone-fail td { background: #fdf6f5; }
.abl-ex-note { font-size: 13px; color: var(--ink-soft); font-family: var(--serif); margin: 12px 0 0; padding-top: 10px; border-top: 1px solid var(--line-soft); }

.abl-cite { font-size: 13px; color: var(--ink-soft); font-family: var(--serif); margin: 20px 0 0; }

@media (max-width: 860px) { .abl-variants { grid-template-columns: 1fr; } }