/* ── Kármán-Nachlass · Digitale Edition ───────────────────────────────────────
   LettreAI-Gestaltung: Oxford-Blau, Gold, Sandstein; Fraunces für Titel,
   Source Serif für Text, Source Sans für Bedienelemente.
   Dieselben Werte wie die Landing-Seite Kármán 2026.
   ────────────────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --k-oxford:      #002147;
  --k-oxford-deep: #00152e;
  --k-oxford-soft: #2c4a6e;
  --k-ink:         #1b2733;
  --k-muted:       #5c5348;
  --k-gold:        #c4a15a;
  --k-gold-deep:   #8c6d2a;
  --k-gold-pale:   #efe3c4;
  --k-sand:        #f6f1e7;
  --k-sand-deep:   #ece3d2;
  --k-paper:       #fffdf8;
  --k-line:        #e3d9c6;
  --k-line-strong: #cdbfa4;
  --k-radius:      2px;
  --k-serif:   "Source Serif 4", "Palatino Linotype", Palatino, Georgia, serif;
  --k-display: "Fraunces", "Source Serif 4", Palatino, Georgia, serif;
  --k-sans:    "Source Sans 3", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --k-mono:    "SF Mono", "Fira Code", monospace;
  --k-sidebar-w: 348px;
  --k-topbar-h:  52px;
}

body {
  font-family: var(--k-sans);
  font-size: 14px;
  color: var(--k-ink);
  background: var(--k-sand);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Kopfleiste ───────────────────────────────────────────────────────────── */
#topbar {
  height: var(--k-topbar-h);
  background: var(--k-oxford-deep);
  color: #f4efe4;
  border-bottom: 3px solid var(--k-gold);
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 28px;
  flex-shrink: 0;
  z-index: 10;
}
#topbar .brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}
#topbar .brand-name {
  font-family: var(--k-display);
  font-size: 1.22rem;
  font-weight: 560;
  letter-spacing: -0.01em;
}
#topbar .brand .gold { color: var(--k-gold); }
#topbar .brand .subtitle {
  font-size: 0.86rem;
  font-weight: 400;
  color: rgba(244, 239, 228, .62);
}
#summary-line {
  font-size: 0.86rem;
  color: rgba(244, 239, 228, .78);
  white-space: nowrap;
  font-variant-numeric: lining-nums tabular-nums;
}
#topbar .lettreai {
  margin-left: auto;
  font-family: var(--k-sans);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--k-gold);
}

/* ── Arbeitsfläche ────────────────────────────────────────────────────────── */
#shell { display: flex; flex: 1; overflow: hidden; }

/* ── Seitenleiste ─────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--k-sidebar-w);
  min-width: 270px;
  max-width: 480px;
  background: var(--k-paper);
  border-right: 1px solid var(--k-line-strong);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  resize: horizontal;
  overflow: hidden;
}

#sidebar-toolbar {
  padding: 12px 14px 12px;
  border-bottom: 1px solid var(--k-line);
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: var(--k-sand);
}

#search-input {
  width: 100%;
  border: 1px solid var(--k-line-strong);
  border-radius: var(--k-radius);
  padding: 8px 11px;
  font-family: var(--k-sans);
  font-size: 0.95rem;
  color: var(--k-ink);
  background: var(--k-paper);
  outline: none;
}
#search-input::placeholder { color: #9a8f7c; }
#search-input:focus { border-color: var(--k-oxford); box-shadow: 0 0 0 2px var(--k-gold-pale); }

.toolbar-row { display: flex; gap: 6px; }

.control-select {
  flex: 1;
  font-family: var(--k-sans);
  font-size: 0.84rem;
  border: 1px solid var(--k-line-strong);
  border-radius: var(--k-radius);
  padding: 5px 7px;
  background: var(--k-paper);
  color: var(--k-ink);
  cursor: pointer;
  min-width: 0;
}
.control-select:focus { outline: none; border-color: var(--k-oxford); }

.toggle-btn {
  border: 1px solid var(--k-line-strong);
  background: var(--k-paper);
  border-radius: var(--k-radius);
  padding: 4px 11px;
  font-family: var(--k-sans);
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--k-muted);
  transition: background .15s, color .15s, border-color .15s;
}
.toggle-btn.active {
  background: var(--k-oxford);
  color: #f7f1e4;
  border-color: var(--k-oxford);
  font-weight: 650;
}
.toggle-btn:hover { border-color: var(--k-oxford); color: var(--k-oxford); }
.toggle-btn.active:hover { color: #f7f1e4; }

/* ── A–Z ───────────────────────────────────────────────────────────────────── */
#letter-strip { display: flex; flex-wrap: wrap; gap: 2px; }
.letter-btn {
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--k-radius);
  width: 22px;
  height: 22px;
  font-family: var(--k-sans);
  font-size: 0.8rem;
  font-weight: 560;
  cursor: pointer;
  color: var(--k-oxford-soft);
  transition: background .15s, color .15s, border-color .15s;
}
.letter-btn:hover { border-color: var(--k-gold); color: var(--k-oxford); }
.letter-btn.active {
  background: var(--k-oxford);
  color: #f7f1e4;
  border-color: var(--k-oxford);
  font-weight: 650;
}

/* ── Korrespondenten ──────────────────────────────────────────────────────── */
#correspondent-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 120px;
  overflow-y: auto;
  padding-top: 2px;
}
.corr-chip {
  border: 1px solid var(--k-line-strong);
  background: var(--k-paper);
  border-radius: var(--k-radius);
  padding: 2px 8px;
  font-family: var(--k-sans);
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--k-muted);
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.corr-chip:hover { border-color: var(--k-oxford); color: var(--k-oxford); }
.corr-chip.active { background: var(--k-oxford); color: #f7f1e4; border-color: var(--k-oxford); }
.corr-chip-count { color: var(--k-gold-deep); font-size: 0.92em; margin-left: 2px; }
.corr-chip.active .corr-chip-count { color: var(--k-gold); }

/* Aktive Auswahl */
#active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 7px 14px;
  border-bottom: 1px solid var(--k-line);
  background: var(--k-paper);
}
.filter-chip {
  border: 1px solid var(--k-gold);
  background: var(--k-gold-pale);
  border-radius: var(--k-radius);
  padding: 2px 8px;
  font-family: var(--k-sans);
  font-size: 0.8rem;
  color: var(--k-oxford);
  cursor: pointer;
}
.filter-chip:hover { background: var(--k-oxford); color: #f7f1e4; }
.filter-clear {
  border: 0;
  background: transparent;
  font-family: var(--k-sans);
  font-size: 0.8rem;
  color: var(--k-muted);
  text-decoration: underline;
  cursor: pointer;
}
.filter-clear:hover { color: var(--k-oxford); }

#doc-count {
  font-size: 0.8rem;
  color: var(--k-muted);
  padding: 6px 14px;
  border-bottom: 1px solid var(--k-line);
  font-variant-numeric: lining-nums tabular-nums;
}

#doc-list { overflow-y: auto; flex: 1; list-style: none; }

.doc-item {
  padding: 9px 14px 9px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--k-line);
  border-left: 3px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background .1s, border-color .1s;
}
.doc-item:hover { background: var(--k-sand); border-left-color: var(--k-gold); }
.doc-item.active { background: var(--k-oxford); border-left-color: var(--k-gold); }
.doc-item.active .doc-name { color: #fff; }
.doc-item.active .doc-subtitle { color: rgba(244, 239, 228, .72); }

.doc-name {
  font-family: var(--k-serif);
  font-size: 1rem;
  font-weight: 560;
  color: var(--k-oxford);
  line-height: 1.25;
}
.doc-subtitle {
  font-size: 0.8rem;
  color: var(--k-muted);
  font-variant-numeric: lining-nums;
}

.doc-badges { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 3px; }
.badge {
  font-size: 0.72rem;
  padding: 0 6px;
  border-radius: var(--k-radius);
  font-weight: 560;
  border: 1px solid transparent;
}
.badge-lc     { background: #f6e6c4; color: #6f4a0c; border-color: #e6cf9a; }
.badge-empty  { background: #f3edd0; color: #6a5a17; border-color: #e2d8a8; }
.badge-broken { background: #f2d9d3; color: #7a2c22; border-color: #e2b8ae; }
.badge-suspect{ background: #e6dfec; color: #4b3a63; border-color: #cfc3dc; }
.badge-none   { background: var(--k-sand-deep); color: var(--k-muted); border-color: var(--k-line-strong); }

/* ── Hauptfläche ──────────────────────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ── Kopf der Lesefläche ──────────────────────────────────────────────────── */
#viewer-header {
  background: var(--k-paper);
  border-bottom: 1px solid var(--k-line-strong);
  padding: 9px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
#viewer-titles { flex: 1; min-width: 0; overflow: hidden; }
#viewer-doc-title {
  font-family: var(--k-display);
  font-size: 1.15rem;
  font-weight: 560;
  letter-spacing: -0.01em;
  color: var(--k-oxford);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#viewer-doc-subtitle {
  font-size: 0.82rem;
  color: var(--k-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-btn {
  background: var(--k-oxford);
  color: #f7f1e4;
  border: none;
  border-radius: var(--k-radius);
  padding: 6px 14px;
  cursor: pointer;
  font-family: var(--k-sans);
  font-size: 0.88rem;
  font-weight: 650;
  transition: background .15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav-btn:hover { background: #01315f; }
.nav-btn:disabled { background: var(--k-sand-deep); color: #a89e8a; cursor: not-allowed; }

#page-counter {
  font-size: 0.86rem;
  color: var(--k-muted);
  white-space: nowrap;
  font-variant-numeric: lining-nums tabular-nums;
}

.verdict-chip {
  font-size: 0.76rem;
  padding: 2px 9px;
  border-radius: var(--k-radius);
  font-weight: 650;
  border: 1px solid transparent;
}
.verdict-OK        { background: #e1ecd8; color: #2f5a1f; border-color: #c4d8b4; }
.verdict-LOW-CONF  { background: #f6e6c4; color: #6f4a0c; border-color: #e6cf9a; }
.verdict-EMPTY     { background: #f3edd0; color: #6a5a17; border-color: #e2d8a8; }
.verdict-BROKEN    { background: #f2d9d3; color: #7a2c22; border-color: #e2b8ae; }
.verdict-SUSPECT   { background: #e6dfec; color: #4b3a63; border-color: #cfc3dc; }
.verdict-UNPROCESSED { background: var(--k-sand-deep); color: var(--k-muted); border-color: var(--k-line-strong); }


/* Das geteilte Buchblatt (pdai-page.css) bringt einen Dunkelmodus mit, der
   :root-Variablen umschreibt. Diese Fläche ist hell; die Werte werden hier
   auf die helle Buchblatt-Palette festgelegt. */
#transcript-pane {
  --oxford: #002147; --oxford-soft: #14213d;
  --gold: #c8a22a; --gold-pale: #fbf5e6; --gold-border: #d4b85c;
  --paper: #faf8f3; --paper-sunken: #f2ede2; --paper-sheet: #fffdf9;
  --ink: #1a1a2e; --ink-muted: #4a4a6a; --ink-faint: #7a7a9a;
  --rule: #e0d8c4; --rule-gold: #c8b560;
  --xml-bg: #faf7f0; --xml-code-bg: #ffffff; --xml-header-bg: #f2ece0;
  --xml-border: #ddd6c4; --xml-gutter-color: #9a958a; --xml-gutter-bg: #f9f5ed;
  --xml-text: #1d1d1b; --xml-tag: #0a4d8c; --xml-attr: #966b16;
  --xml-val: #2b7a3e; --xml-bracket: #606875; --xml-com: #6a737d; --xml-pi: #966b16;
  color-scheme: light;
}

/* ── Faksimile | Transkription ────────────────────────────────────────────── */
#page-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
#image-pane {
  border-right: 1px solid var(--k-line-strong);
  background: var(--k-sand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
#page-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  box-shadow: 0 10px 34px rgba(0, 21, 46, .28);
  transition: opacity .2s;
}
#image-loading {
  position: absolute;
  color: var(--k-muted);
  font-size: 0.9rem;
  font-style: italic;
  font-family: var(--k-serif);
}

#transcript-pane {
  background: var(--k-paper);
  overflow-y: auto;
  padding: 26px 32px;
  font-family: var(--k-serif);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--k-ink);
}

.xml-header {
  background: var(--k-sand);
  border: 1px solid var(--k-line);
  border-radius: var(--k-radius);
  padding: 6px 12px;
  margin-bottom: 14px;
  font-size: 0.86rem;
  color: var(--k-muted);
  font-family: var(--k-sans);
}
.xml-label {
  display: inline-block;
  background: var(--k-oxford);
  color: #f7f1e4;
  font-size: 0.76rem;
  padding: 0 6px;
  border-radius: var(--k-radius);
  margin-right: 8px;
  font-family: var(--k-sans);
  vertical-align: middle;
  font-weight: 650;
}
.xml-para { margin: 0.45em 0; }
.xml-rend-subject { font-weight: 700; margin-top: 1em; }
.xml-note  { font-style: italic; color: var(--k-muted); }
.xml-formula { font-family: var(--k-mono); font-size: 0.88em; }
.xml-date, .xml-address, .xml-salutation { color: var(--k-oxford); }
.xml-footnotes {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--k-line-strong);
  font-size: 0.86rem;
  color: var(--k-muted);
  font-family: var(--k-sans);
}
.xml-fn { margin: 2px 0; }
.unclear { color: var(--k-gold-deep); font-weight: 650; }
.xml-raw  { color: var(--k-muted); }
.xml-empty { color: #9a8f7c; font-style: italic; }
#transcript-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--k-muted);
  font-style: italic;
}

/* ── Vorschaubilder ───────────────────────────────────────────────────────── */
#filmstrip-wrap {
  background: var(--k-paper);
  border-top: 1px solid var(--k-line-strong);
  overflow-x: auto;
  flex-shrink: 0;
  padding: 7px 10px;
}
#filmstrip { display: flex; gap: 5px; align-items: center; min-width: max-content; }
.film-thumb {
  width: 38px;
  height: 52px;
  border-radius: var(--k-radius);
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--k-sand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  color: var(--k-muted);
  flex-shrink: 0;
  transition: border-color .15s, transform .15s;
  position: relative;
}
.film-thumb:hover { border-color: var(--k-oxford-soft); transform: translateY(-2px); }
.film-thumb.active { border-color: var(--k-gold); box-shadow: 0 0 0 1px var(--k-gold); }
.film-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 1px; display: block; }
.film-dot {
  position: absolute;
  top: 2px; right: 2px;
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(255, 253, 248, .9);
}
.dot-OK          { background: #4f8a3a; }
.dot-LOW-CONF    { background: #c98a1d; }
.dot-EMPTY       { background: #b9a02c; }
.dot-BROKEN      { background: #a8382b; }
.dot-SUSPECT     { background: #6f4f8f; }
.dot-UNPROCESSED { background: #b9b09c; }

/* ══════════════════════════════════════════════════════════════════════════
   Startseite
   ══════════════════════════════════════════════════════════════════════════ */
#no-doc-selected.welcome {
  position: relative;
  flex: 1;
  height: 100%;
  overflow-y: auto;
  background:
    radial-gradient(1100px 420px at 62% -160px, rgba(196, 161, 90, .22), transparent 62%),
    var(--k-sand);
}

/* Kármánsche Wirbelstraße als Zeichnung im Hintergrund */
.vortex {
  position: absolute;
  top: 26px;
  right: 0;
  width: min(60%, 700px);
  height: auto;
  pointer-events: none;
}
.vortex .street { fill: none; stroke: var(--k-gold); stroke-width: 1.1; }
.vortex .core   { fill: var(--k-gold); }
.vortex .body   { fill: var(--k-oxford); }
.vortex .flow   { fill: none; stroke: var(--k-line-strong); stroke-width: 1; stroke-dasharray: 2 7; }

.welcome-inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 3.1rem 2.4rem 3rem;
}

.welcome .kicker {
  margin: 0 0 0.7rem;
  font-family: var(--k-sans);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--k-gold-deep);
  font-weight: 650;
}
.welcome h1 {
  margin: 0;
  font-family: var(--k-display);
  font-weight: 560;
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  letter-spacing: -0.03em;
  line-height: 0.98;
  color: var(--k-oxford);
}
.welcome h1 em { font-style: italic; font-weight: 460; color: var(--k-gold-deep); }
.welcome .lead {
  max-width: 34rem;
  margin: 1.25rem 0 0;
  font-family: var(--k-serif);
  font-size: 1.18rem;
  line-height: 1.5;
  color: var(--k-ink);
}

/* Kennzahlen */
.figures {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 2rem 0 1.6rem;
  border-top: 1px solid var(--k-line-strong);
  border-bottom: 1px solid var(--k-line-strong);
  max-width: 46rem;
  background: rgba(255, 253, 248, .55);
}
.figures > * {
  padding: 0.85rem 0.9rem 0.8rem;
  border: 0;
  border-right: 1px solid var(--k-line);
  background: transparent;
  text-align: left;
  font: inherit;
  color: inherit;
}
.figures > *:last-child { border-right: 0; }
.figures button.fig { cursor: pointer; transition: background .15s, box-shadow .15s; }
.figures button.fig:hover { background: var(--k-gold-pale); }
.figures button.fig.active { background: var(--k-gold-pale); box-shadow: inset 0 -3px 0 var(--k-gold); }
.figures .v small { font-family: var(--k-sans); font-size: 0.8rem; color: var(--k-muted); margin-left: 0.2rem; }
.figures .v {
  display: block;
  font-family: var(--k-display);
  font-size: 1.95rem;
  color: var(--k-oxford);
  line-height: 1.05;
  font-variant-numeric: lining-nums tabular-nums;
}
.figures .k { display: block; overflow-wrap: anywhere; font-size: 0.86rem; color: var(--k-muted); margin-top: 0.25rem; }

/* Einstiege */
.entry-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.6rem; }
.go {
  display: inline-block;
  background: var(--k-oxford);
  color: #f7f1e4;
  border: 1px solid var(--k-oxford);
  font-family: var(--k-sans);
  font-weight: 650;
  font-size: 0.98rem;
  padding: 0.65rem 1.05rem;
  border-radius: var(--k-radius);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.go:hover { background: #01315f; }
.go.quiet { background: transparent; color: var(--k-oxford); }
.go.quiet:hover { background: var(--k-oxford); color: #f7f1e4; }

.band-title {
  margin: 0 0 0.3rem;
  font-family: var(--k-display);
  font-weight: 560;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  color: var(--k-oxford);
}
.section-lead { margin: 0 0 1rem; color: var(--k-muted); font-family: var(--k-serif); font-size: 1rem; }

/* Sachgebiete */
.topics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.7rem;
}
.topic {
  text-align: left;
  background: var(--k-paper);
  border: 1px solid var(--k-line);
  border-top: 3px solid var(--k-oxford);
  border-radius: var(--k-radius);
  padding: 0.75rem 0.9rem 0.8rem;
  cursor: pointer;
  font-family: var(--k-sans);
  color: var(--k-ink);
  box-shadow: 0 8px 22px rgba(0, 21, 46, .05);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.topic:hover {
  border-top-color: var(--k-gold);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 21, 46, .09);
}
.topic.active { border-top-color: var(--k-gold); background: var(--k-gold-pale); }
.topic.off, .topic-chip.off { opacity: .45; cursor: default; transform: none; box-shadow: none; }
.topic.off:hover { border-top-color: var(--k-oxford); transform: none; box-shadow: none; }
.topics-more { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.topic-chip {
  border: 1px solid var(--k-line-strong);
  background: var(--k-paper);
  border-radius: var(--k-radius);
  padding: 3px 10px;
  font-family: var(--k-sans);
  font-size: 0.86rem;
  color: var(--k-ink);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.topic-chip:hover:not(.off) { border-color: var(--k-oxford); }
.topic-chip.active { background: var(--k-oxford); color: #f7f1e4; border-color: var(--k-oxford); }
.topic-chip .c { color: var(--k-gold-deep); margin-left: 3px; font-variant-numeric: lining-nums tabular-nums; }
.topic-chip.active .c { color: var(--k-gold); }

.lead-link {
  border: 0;
  border-bottom: 1px solid var(--k-gold);
  background: transparent;
  padding: 0;
  font: inherit;
  color: var(--k-oxford);
  cursor: pointer;
}
.lead-link:hover, .lead-link.active { background: var(--k-gold-pale); }

/* Tastaturfokus an allen verknüpften Elementen sichtbar */
.topic:focus-visible, .topic-chip:focus-visible, .lead-link:focus-visible,
.figures button.fig:focus-visible, .filter-chip:focus-visible, .filter-clear:focus-visible {
  outline: 2px solid var(--k-oxford);
  outline-offset: 2px;
}
.topic .n {
  display: block;
  font-family: var(--k-display);
  font-size: 1.7rem;
  line-height: 1.05;
  color: var(--k-oxford);
  font-variant-numeric: lining-nums tabular-nums;
}
.topic .t {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--k-serif);
  font-size: 0.98rem;
  line-height: 1.25;
  color: var(--k-ink);
}
.topic .u { display: block; margin-top: 0.15rem; font-size: 0.8rem; color: var(--k-muted); }

.welcome .credit {
  margin: 2.4rem 0 0;
  max-width: 40rem;
  font-size: 0.86rem;
  color: var(--k-muted);
  border-left: 3px solid var(--k-gold);
  padding: 0.15rem 0 0.15rem 0.75rem;
}

/* ── Scrollleisten ────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--k-line-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--k-gold-deep); }

/* ── Schmale Fenster ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  #page-split { grid-template-columns: 1fr; grid-template-rows: 50% 50%; }
  #image-pane { border-right: none; border-bottom: 1px solid var(--k-line-strong); }
  #sidebar { width: 270px; }
  .vortex { display: none; }
  .welcome-inner { padding: 2rem 1.3rem; }
}

/* ── Bedeutung: a fixed edge badge and a column beside the transcript (static/bedeutung.js) ─────────── */
#bd-badge {
  position: fixed; right: 0; top: calc(50% - 44px); z-index: 32;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-family: var(--k-sans); font-size: 12px; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--k-gold-pale); background: var(--k-oxford);
  border: 1px solid var(--k-gold); border-right: 0; border-radius: 0 6px 6px 0;
  padding: 12px 6px; cursor: pointer; box-shadow: -2px 0 8px rgba(0, 21, 46, 0.18);
}
#bd-badge:hover { background: #01315f; }
#bd-badge.on { background: var(--k-gold); color: var(--k-oxford); border-color: var(--k-gold); }
body.bd-offen #page-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) var(--bd-w, 380px); }
#bd-column { display: none; }
body.bd-offen #bd-column {
  display: flex; flex-direction: column; position: relative; min-width: 0;
  border-left: 1px solid var(--k-line-strong); background: var(--k-sand); overflow: hidden;
}
#bd-resizer { position: absolute; left: -3px; top: 0; bottom: 0; width: 7px; cursor: ew-resize; z-index: 2; }
#bd-resizer::before { content: ""; position: absolute; left: 3px; top: 0; bottom: 0; width: 1px; background: transparent; }
#bd-resizer:hover::before, body.bd-resizing #bd-resizer::before { background: var(--k-gold); }
#bd-head {
  display: flex; align-items: center; gap: 8px; padding: 8px 26px 7px 14px; flex-shrink: 0;
  font-family: var(--k-sans); font-size: 12px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--k-oxford); border-bottom: 1px solid var(--k-gold-border, #d4b85c); background: var(--k-paper);
}
#bd-head .bd-x { margin-left: auto; border: 0; background: transparent; font-size: 16px; cursor: pointer; color: var(--k-muted); }
#bd-body { flex: 1; overflow: auto; padding: 12px 26px 18px 14px; font-family: var(--k-serif); font-size: 14px; line-height: 1.45; color: var(--k-ink); }
#bd-body > * + * { margin-top: 10px; }
.bd-rahmen { font-family: var(--k-sans); font-size: 12.5px; color: var(--k-oxford-soft); }
.bd-rahmen b { font-weight: 650; color: var(--k-oxford); }
.bd-regest { font-size: 13px; color: var(--k-muted); margin-top: 3px; }
.bd-hinweis { font-family: var(--k-sans); font-size: 12.5px; color: var(--k-muted); }
.bd-fortschritt { font-family: var(--k-sans); font-size: 12.5px; color: var(--k-oxford-soft); display: flex; gap: 10px; align-items: center; }
.bd-fortschritt::before { content: ""; width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--k-gold); border-top-color: transparent; animation: bd-spin .9s linear infinite; flex-shrink: 0; }
@keyframes bd-spin { to { transform: rotate(360deg); } }
.bd-satz { background: var(--k-paper); border: 1px solid var(--k-line); border-radius: var(--k-radius); padding: 8px 10px; }
.bd-satz mark.bd-span { background: rgba(200, 162, 42, 0.35); color: inherit; border-radius: 2px; padding: 0 1px; }
.bd-chips { display: flex; flex-wrap: wrap; gap: 4px 2px; }
.bd-chips .nk-chip { cursor: default; }
.bd-chips .nk-chip[data-ind-id] { cursor: pointer; border-bottom: 1px dotted currentColor; }
.bd-meaning { font-size: 15px; line-height: 1.5; }
.bd-about { font-size: 13px; color: var(--k-ink); }
.bd-segment { margin: 3px 0; padding-left: 8px; border-left: 3px solid var(--k-line-strong); font-size: 13px; }
.bd-segment b { font-weight: 560; }
.bd-segment .bd-rolle { font-family: var(--k-sans); font-size: 11px; color: var(--k-muted); margin-left: 4px; }
.bd-meta { font-family: var(--k-sans); font-size: 11.5px; color: var(--k-muted); }
.bd-vertiefen { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 8px; border-top: 1px solid var(--k-line); }
.bd-vertiefen button, .bd-knopf {
  font-family: var(--k-sans); font-size: 12px; background: transparent; border: 1px solid var(--k-line-strong);
  color: var(--k-oxford); padding: 3px 9px; border-radius: var(--k-radius); cursor: pointer;
}
.bd-vertiefen button.on, .bd-knopf.primaer { background: var(--k-oxford); color: var(--k-gold-pale); border-color: var(--k-oxford); }
.bd-vertiefen button:disabled { opacity: .5; cursor: default; }
.bd-umfeld p { margin: 4px 0; font-size: 13px; color: var(--k-ink-muted, #4a4a6a); }
.bd-umfeld p.aktuell { color: var(--k-ink); background: rgba(200, 162, 42, 0.14); border-radius: 3px; padding: 2px 4px; }
.bd-dossier { padding: 6px 0; border-top: 1px solid var(--k-line); font-size: 13px; }
.bd-dossier:first-child { border-top: 0; }
.bd-dossier b { font-weight: 600; cursor: pointer; border-bottom: 1px dotted var(--k-gold); }
.bd-dossier .bd-meta { margin-top: 2px; }
#transcript-content .bd-mark { background: rgba(200, 162, 42, 0.18); border-radius: 3px; box-shadow: 0 0 0 3px rgba(200, 162, 42, 0.18); }

/* The Dossier and Wörterbuch panels and the dossier view: shared/famulus-panels.css (all PDAI viewers). */

#dossiers-link { font-family: var(--k-sans); font-size: 12px; font-weight: 650; letter-spacing: 0.04em; color: var(--k-gold-pale);
  border: 1px solid var(--k-gold); border-radius: var(--k-radius); padding: 3px 10px; text-decoration: none; margin-right: 14px; }
#dossiers-link:hover { background: rgba(200, 162, 42, 0.18); }


/* Narrow windows: the Bedeutung column stacks under the transcript (after the column rules, so it wins). */
@media (max-width: 900px) {
  body.bd-offen #page-split { grid-template-columns: 1fr; grid-template-rows: 38% 34% 28%; }
  body.bd-offen #bd-column { border-left: 0; border-top: 1px solid var(--k-line-strong); }
}