/* LingoSprint book engine: web book styles. Brand v3.1 (assets/brand/BRAND.md): Fixel only, inks auf Stoß,
   German in ink, its English on a slab, square corners, black rules. Tokens come from tokens.css (copied from
   learngerman-core at build). Everything is scoped to .bk-* so the folder can be served inside WordPress later. */

html { background: #fff; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 76px; }
html[data-size="1"] { font-size: 112.5%; }
html[data-size="2"] { font-size: 125%; }
.bk-body { margin: 0; background: #fff; color: #000; font: 400 var(--lg-fs-3)/1.6 var(--lg-font-text); -webkit-font-smoothing: antialiased; font-kerning: normal; overflow-wrap: break-word; }
.bk-body *, .bk-body *::before, .bk-body *::after { box-sizing: border-box; }
.bk-body :where(h1, h2, h3, h4, h5) { font-family: var(--lg-font-display); font-weight: 800; letter-spacing: -0.025em; line-height: 1.12; margin: 0; text-wrap: balance; }
.bk-body :where(p, ul, ol) { margin: 0; }
.bk-body img { max-width: 100%; height: auto; }
.bk-body :focus-visible { outline: 3px solid #000; outline-offset: 3px; box-shadow: 0 0 0 6px #fff; }
.bk-body [data-ground] :focus-visible { outline-color: #000; }
.bk-body a { color: inherit; text-decoration-line: underline; text-decoration-thickness: 2px; text-underline-offset: .2em; background-image: linear-gradient(var(--lg-ink-s), var(--lg-ink-s)); background-repeat: no-repeat; background-position: 0 92%; background-size: 0% 40%; transition: background-size calc(var(--lg-d-2) * var(--lg-motion)) var(--lg-ease); }
@media (hover: hover) { .bk-body a:hover { background-size: 100% 40%; } }
.bk-body a:focus-visible, .bk-body a:active { background-size: 100% 40%; }
.bk-body ::selection { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-body [hidden] { display: none !important; }
.bk-visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.bk-skip { position: absolute; left: 8px; top: -100px; z-index: 300; padding: 12px 16px; background: #000; color: #fff !important; font-weight: 700; }
.bk-skip:focus { top: 8px; }
.bk-quiet { color: var(--lg-grey); font-size: var(--lg-fs-2); }

/* ---------- Buttons ---------- */
.bk-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 48px; padding: 0 1.1em; border: 2px solid #000; border-radius: 0; background: #000; color: #fff; font: 700 var(--lg-fs-3)/1.1 var(--lg-font-display); letter-spacing: -0.01em; text-decoration: none; cursor: pointer; transition: transform calc(var(--lg-d-1) * var(--lg-motion)) var(--lg-ease), box-shadow calc(var(--lg-d-1) * var(--lg-motion)) var(--lg-ease); background-image: none !important; }
@media (hover: hover) { .bk-btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--lg-ink-s); } }
.bk-btn:active { transform: translate(1px, 1px); box-shadow: none; transition-duration: 0ms; }
.bk-btn--ghost { background: #fff; color: #000; }
.bk-btn--sm { min-height: 44px; padding: 0 .9em; font-size: var(--lg-fs-2); }
.bk-btn svg { flex: none; }
.bk-btn [data-when="on"], .bk-btn[aria-pressed="true"] [data-when="off"] { display: none; }
.bk-btn[aria-pressed="true"] [data-when="on"] { display: inline; }
.bk-x { display: inline-grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; background: none; color: inherit; font: 400 30px/1 var(--lg-font-text); cursor: pointer; }
.bk-seg { display: inline-flex; border: 2px solid #000; background: #fff; }
.bk-seg button { min-height: 44px; min-width: 52px; padding: 0 .9em; border: 0; background: #fff; color: #000; font: 700 var(--lg-fs-2)/1 var(--lg-font-display); cursor: pointer; }
.bk-seg button + button { border-left: 2px solid #000; }
.bk-seg button[aria-pressed="true"] { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-seg__m { font-size: var(--lg-fs-3) !important; }
.bk-seg__l { font-size: var(--lg-fs-4) !important; }

/* ---------- Header: step + running head + tools; reading progress as a thin line in the series ink ---------- */
.bk-head { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 10px; min-height: 60px; padding: 6px max(16px, var(--lg-gutter)); background: #fff; border-bottom: 2px solid #000; }
.bk-head__home { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; background-image: none !important; }
.bk-step { width: 34px; height: auto; display: block; }
.bk-step__de { fill: #000; }
.bk-step__en { fill: var(--lg-ink-s); }
.bk-run { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: .5em; font: 800 var(--lg-fs-2)/1.2 var(--lg-font-display); letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; }
.bk-run__no { flex: none; padding: .1em .35em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-run__no:empty { display: none; }
.bk-run__de { overflow: hidden; text-overflow: ellipsis; }
.bk-head__acts { flex: none; display: flex; gap: 4px; }
.bk-hbtn { display: inline-flex; align-items: center; gap: .35em; min-height: 44px; min-width: 44px; padding: 0 .6em; border: 2px solid transparent; background: none; color: #000; font: 700 var(--lg-fs-2)/1 var(--lg-font-display); cursor: pointer; }
@media (hover: hover) { .bk-hbtn:hover { border-bottom-color: #000; } }
.bk-hbtn:active { background: #000; color: #fff; }
.bk-count { display: inline-grid; place-items: center; min-width: 1.6em; height: 1.6em; padding: 0 .3em; background: #000; color: #fff; font: 700 var(--lg-fs-1)/1 var(--lg-font-text); }
.bk-progress { position: absolute; left: 0; right: 0; bottom: -5px; height: 3px; pointer-events: none; }
.bk-progress span { display: block; height: 100%; width: 100%; background: var(--lg-ink-s); transform: scaleX(var(--p, 0)); transform-origin: left; }
@media (max-width: 479px) { .bk-head { gap: 4px; padding-inline: 8px; } .bk-run { font-size: var(--lg-fs-1); } .bk-run__de { display: none; } .bk-hbtn { padding: 0 .45em; } }

.bk-main { display: block; outline: none; container: bk / inline-size; }
.bk-main > section, .bk-main > nav, .bk-ch { scroll-margin-top: 0; } /* html scroll-padding-top already clears the header */

/* ---------- Cover: series ink + partner ink, auf Stoß; the partner field is 1/1.16 as long, like the logo slab ---------- */
.bk-cover { display: grid; grid-template-rows: auto auto auto; min-height: min(92svh, 980px); border-bottom: 3px solid #000; }
.bk-cover__ink { display: grid; align-content: space-between; gap: var(--lg-s-6); padding: var(--lg-s-6) max(16px, var(--lg-gutter)) var(--lg-s-7); }
.bk-cover__series { display: flex; flex-wrap: wrap; gap: .4em .8em; align-items: baseline; font: 600 var(--lg-fs-2)/1.3 var(--lg-font-text); color: var(--lg-text); }
.bk-cover__brand { padding: .15em .45em; background: #000; color: #fff; font: 800 var(--lg-fs-2)/1.2 var(--lg-font-display); letter-spacing: -0.01em; }
.bk-cover__title { max-width: 14ch; font: 900 clamp(2.5rem, 1.4rem + 6.4vw, 6.2rem)/.92 var(--lg-font-display); letter-spacing: -0.045em; color: var(--lg-de); hyphens: auto; }
.bk-cover__sub { max-width: 36ch; font: 500 var(--lg-fs-4)/1.35 var(--lg-font-text); color: var(--lg-text); }
.bk-cover__partner { width: calc(100% / var(--lg-ratio)); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .3em 1em; padding: var(--lg-s-4) max(16px, var(--lg-gutter)); font: 600 var(--lg-fs-3)/1.3 var(--lg-font-text); }
.bk-cover__level { font: 800 var(--lg-fs-4)/1 var(--lg-font-display); }
.bk-cover__foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--lg-s-4); padding: var(--lg-s-5) max(16px, var(--lg-gutter)); }
.bk-cover__logo { width: min(240px, 60vw); }
.bk-cover__author { font: 700 var(--lg-fs-3)/1 var(--lg-font-display); }
.bk-cover--sheet { width: 100vw; height: 100vh; min-height: 0; grid-template-rows: 1fr auto auto; border: 0; }
.bk-cover--sheet .bk-cover__ink { padding: 9vw 8vw; }
.bk-cover--sheet .bk-cover__title { font-size: 15.5vw; max-width: none; }
.bk-cover--sheet .bk-cover__series, .bk-cover--sheet .bk-cover__brand { font-size: 3.4vw; }
.bk-cover--sheet .bk-cover__sub { font-size: 4.2vw; }
.bk-cover--sheet .bk-cover__partner { padding: 4vw 8vw; font-size: 3.6vw; }
.bk-cover--sheet .bk-cover__level { font-size: 5vw; }
.bk-cover--sheet .bk-cover__foot { padding: 5vw 8vw; }
.bk-cover--sheet .bk-cover__logo { width: 46vw; }
.bk-cover--sheet .bk-cover__author { font-size: 4vw; }
.bk-body--sheet { overflow: hidden; }

/* ---------- Reading column ---------- */
.bk-front, .bk-contents, .bk-sec, .bk-back { width: min(100% - 32px, 46rem); margin-inline: auto; }
@container bk (min-width: 1068px) { .bk-sec { width: min(100% - 64px, 68rem); } }
.bk-front { padding: var(--lg-s-8) 0 var(--lg-s-6); display: grid; gap: var(--lg-s-4); max-width: 40rem; }
.bk-front h2, .bk-back h2, .bk-contents h2 { font-size: var(--lg-fs-5); margin-top: var(--lg-s-4); }
.bk-front p, .bk-back p { max-width: 62ch; }
.bk-enl { color: inherit; }
h2 .bk-enl, h3 .bk-enl, h4 .bk-enl { font: 500 .62em/1.3 var(--lg-font-text); letter-spacing: 0; }
.bk-front h2 .bk-enl, .bk-contents h2 .bk-enl, .bk-back h2 .bk-enl { display: inline-block; vertical-align: middle; padding: .1em .4em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: .5em; }

/* ---------- Contents ---------- */
.bk-contents { padding: var(--lg-s-7) 0; border-top: 3px solid #000; }
.bk-contents__sum { margin: var(--lg-s-3) 0 var(--lg-s-4); font-weight: 600; }
.bk-toc, .bk-toc ol { list-style: none; margin: 0; padding: 0; }
.bk-toc__ch { padding: var(--lg-s-3) 0; border-top: 2px solid #000; }
.bk-toc__ch > a { display: flex; gap: .7em; align-items: baseline; min-height: 44px; padding: .4em 0; font: 800 var(--lg-fs-4)/1.2 var(--lg-font-display); letter-spacing: -0.02em; text-decoration: none; }
.bk-toc ol a { display: flex; gap: .7em; align-items: center; min-height: 44px; padding: .3em 0 .3em 2.4em; text-decoration: none; font-weight: 500; }
.bk-toc a:focus-visible, .bk-toc a[aria-current="true"] { background-size: 100% 40%; }
.bk-toc a[aria-current="true"] .bk-toc__t { font-weight: 700; }
.bk-toc__no { flex: none; min-width: 2.6em; font: 800 var(--lg-fs-2)/1 var(--lg-font-display); }
.bk-toc__ch > a .bk-toc__no { min-width: 1.7em; }
.bk-toc__t { flex: 1; }
.bk-toc__count { display: block; padding-left: 2.4em; font-size: var(--lg-fs-1); color: var(--lg-grey); }
.bk-toc__done { flex: none; }
.bk-toc__done:not(:empty) { padding: .2em .45em; border: 2px solid var(--lg-ink-s); color: #000; font: 800 var(--lg-fs-1)/1 var(--lg-font-display); text-transform: uppercase; letter-spacing: .03em; transform: rotate(-4deg); }
.bk-toc__extra > a { font-size: var(--lg-fs-3); }

/* ---------- Chapter opener: series field (German) auf Stoß with the partner field (English) ---------- */
.bk-ch { display: block; }
.bk-open { margin-top: var(--lg-s-8); border-top: 3px solid #000; }
.bk-open__ink { padding: var(--lg-s-6) max(16px, var(--lg-gutter)) var(--lg-s-6); }
.bk-open__no { font: 900 clamp(4.5rem, 2rem + 12vw, 11rem)/.8 var(--lg-font-display); letter-spacing: -0.06em; color: var(--lg-de); }
.bk-open h2 { margin-top: var(--lg-s-5); max-width: 18ch; font: 900 clamp(2rem, 1.2rem + 3.6vw, 4.2rem)/.98 var(--lg-font-display); letter-spacing: -0.04em; color: var(--lg-de); hyphens: manual; }
.bk-open__partner { width: calc(100% / var(--lg-ratio)); padding: var(--lg-s-4) max(16px, var(--lg-gutter)) var(--lg-s-5); display: grid; gap: var(--lg-s-2); }
.bk-open__en { font: 600 var(--lg-fs-4)/1.3 var(--lg-font-text); max-width: 40ch; }
.bk-open__meta { font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .06em; text-transform: uppercase; }

/* ---------- Section ---------- */
.bk-sec { padding: var(--lg-s-7) 0 var(--lg-s-6); }
.bk-sec + .bk-sec { border-top: 3px solid #000; }
.bk-sec__head { display: grid; gap: var(--lg-s-2); justify-items: start; margin-bottom: var(--lg-s-5); max-width: 46rem; }
.bk-kicker { font: 800 var(--lg-fs-2)/1 var(--lg-font-display); padding: .25em .45em; background: #000; color: #fff; }
.bk-sec__head h3 { font: 900 var(--lg-fs-6)/1 var(--lg-font-display); letter-spacing: -0.04em; }
.bk-sec__en { display: inline; padding: .1em .4em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font: 500 var(--lg-fs-3)/1.5 var(--lg-font-text); -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.bk-sec__tools { margin-top: var(--lg-s-2); }
.bk-sub { display: grid; gap: 4px; margin: var(--lg-s-7) 0 var(--lg-s-4); font-size: var(--lg-fs-5); max-width: 46rem; }
.bk-point { display: grid; gap: 4px; margin: var(--lg-s-5) 0 var(--lg-s-3); font-size: var(--lg-fs-4); max-width: 46rem; }
.bk-sub__no { color: #000; }
.bk-sub__en { font: 500 var(--lg-fs-2)/1.35 var(--lg-font-text) !important; color: var(--lg-grey); }
.bk-label { display: flex; gap: .6em; align-items: baseline; margin: var(--lg-s-4) 0 var(--lg-s-2); font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .06em; text-transform: uppercase; }
.bk-label > span:first-child { padding: .3em .5em; background: #000; color: #fff; }
.bk-label .bk-enl { color: var(--lg-grey); }
.bk-p { margin: var(--lg-s-3) 0; max-width: 62ch; }

/* ---------- Sentence pair: German in ink; English on a slab under a bar until tapped ---------- */
.bk-pair { display: grid; gap: var(--lg-s-3); padding: var(--lg-s-4) 0; border-top: 1px solid #d6d6d6; max-width: 46rem; }
.bk-pair:first-of-type { border-top: 0; }
@container bk (min-width: 1068px) { .bk-pair { grid-template-columns: minmax(0, 46rem) minmax(15rem, 19rem); gap: var(--lg-s-6); max-width: none; } }
.bk-pair__main { display: grid; gap: var(--lg-s-2); justify-items: start; align-content: start; min-width: 0; }
.bk-de { font: 800 clamp(1.125rem, 1.05rem + .35vw, 1.3rem)/1.38 var(--lg-font-display); letter-spacing: -0.012em; max-width: 40ch; }
.bk-pair__tools { display: flex; align-items: flex-start; gap: var(--lg-s-2); max-width: 100%; }
.bk-en { position: relative; display: inline-block; max-width: 100%; min-height: 44px; margin: 0; padding: .55em .7em; border: 0; border-radius: 0; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font: 500 var(--lg-fs-3)/1.45 var(--lg-font-text); text-align: left; cursor: pointer; transition: background-color calc(var(--lg-d-2) * var(--lg-motion)) var(--lg-ease); }
.bk-en__cue { display: none; }
.bk-js .bk-en[aria-expanded="false"] { min-width: min(100%, 15.5em); background: #000; color: #fff; }
.bk-js .bk-en[aria-expanded="false"] .bk-en__t { visibility: hidden; }
.bk-js .bk-en[aria-expanded="false"] .bk-en__cue { display: block; position: absolute; left: .7em; top: .9em; font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
@media (hover: hover) { .bk-js .bk-en[aria-expanded="false"]:hover { box-shadow: 4px 4px 0 var(--lg-ink-s); } }
.bk-js .bk-en[aria-expanded="true"] .bk-en__t { animation: bk-slab calc(var(--lg-d-3) * var(--lg-motion)) var(--lg-ease) both; }
@keyframes bk-slab { from { clip-path: inset(0 100% 0 0); } }
.bk-js.bk-all .bk-en { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-js.bk-all .bk-en .bk-en__t { visibility: visible; }
.bk-js.bk-all .bk-en .bk-en__cue { display: none; }
.bk-say { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid #000; background: #fff; color: #000; cursor: pointer; }
.bk-say[aria-pressed="true"] { background: #000; color: #fff; }
.bk-say--sm { width: 44px; height: 44px; }
.bk-vtag { display: inline-block; margin-right: .3em; padding: .15em .4em; background: #000; color: #fff; font: 700 var(--lg-fs-1)/1.2 var(--lg-font-text); letter-spacing: .03em; vertical-align: .15em; }

/* Core words: underlined in the series ink; a kept word gets the marker stroke */
.bk-w { display: inline; margin: 0; padding: 0; border: 0; background: none; color: inherit; font: inherit; letter-spacing: inherit; text-align: inherit; text-decoration: underline; text-decoration-color: var(--lg-ink-s); text-decoration-thickness: 3px; text-underline-offset: .2em; cursor: pointer; background-image: linear-gradient(var(--lg-ink-s), var(--lg-ink-s)); background-repeat: no-repeat; background-position: 0 90%; background-size: 0% 42%; transition: background-size calc(var(--lg-d-3) * var(--lg-motion)) var(--lg-ease); }
@media (hover: hover) { button.bk-w:hover { background-size: 100% 42%; } }
.bk-w--again { text-decoration: none; cursor: auto; }
.bk-w.is-kept { background-size: 100% 42%; }
.bk-w--again.is-kept { text-decoration: underline; text-decoration-color: var(--lg-ink-s); text-decoration-thickness: 3px; text-underline-offset: .2em; }
.bk-lime .bk-w { text-decoration-color: #000; }

/* Glosses: one row per word; article in its colour (der cobalt, die magenta, das lime, as on the site) */
.bk-gloss { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; align-content: start; font-size: var(--lg-fs-2); }
@container bk (min-width: 1068px) { .bk-gloss { padding-left: var(--lg-s-4); border-left: 2px solid #000; } }
.bk-g { display: flex; flex-wrap: wrap; align-items: baseline; gap: .15em .45em; width: 100%; min-height: 44px; margin: 0; padding: .5em .4em; border: 0; border-radius: 0; background: none; color: #000; font: 400 var(--lg-fs-2)/1.35 var(--lg-font-text); text-align: left; cursor: pointer; }
@media (hover: hover) { button.bk-g:hover { background: #f1f1f1; } }
button.bk-g:active { background: #e6e6e6; }
.bk-g.is-kept .bk-g__w, .bk-g.is-kept .bk-core__w { background-image: linear-gradient(var(--lg-ink-s), var(--lg-ink-s)); background-repeat: no-repeat; background-position: 0 90%; background-size: 100% 40%; }
.bk-g__w { font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); letter-spacing: -0.01em; }
.bk-g__en { color: #222; }
.bk-g__pl, .bk-kind { color: var(--lg-grey); font-size: var(--lg-fs-1); }
.bk-kind:empty { display: none; }
.bk-art { display: inline-block; min-width: 2.3em; padding: .15em .35em; font: 800 var(--lg-fs-1)/1.15 var(--lg-font-display); text-align: center; color: #000; }
.bk-art--der { background: var(--lg-cobalt); color: #fff; }
.bk-art--die { background: #C8167F; color: #fff; } /* Max 2026-11-02: white text on the die label. Brand magenta #E52F9B gives white only 4.0:1, so the label uses a deeper magenta (white 5.4:1, WCAG AA) */
.bk-art--das { background: var(--lg-lime); color: #000; }

/* ---------- Boxes: Redemittel and Grammatikregel (printed sheets: 3px rule, a bar in ink) ---------- */
.bk-box { margin: var(--lg-s-7) 0 var(--lg-s-4); border: 3px solid #000; background: #fff; max-width: 46rem; }
.bk-box__bar { display: flex; align-items: center; gap: .6em; padding: 10px 14px; border-bottom: 3px solid #000; background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-box__bar h4, .bk-box__kicker { font: 800 var(--lg-fs-3)/1.15 var(--lg-font-display); letter-spacing: -0.01em; }
.bk-box__bar .bk-enl { font: 500 var(--lg-fs-2)/1.2 var(--lg-font-text); }
.bk-box__bar--ink { background: #000; color: #fff; }
.bk-box__body { padding: var(--lg-s-4) 14px var(--lg-s-5); display: grid; gap: var(--lg-s-4); }
.bk-rm__list { list-style: none; padding: 0; display: grid; gap: 0; }
.bk-rm__list li { position: relative; display: grid; gap: 2px; padding: var(--lg-s-3) 52px var(--lg-s-3) 0; border-top: 2px solid #000; }
.bk-rm__list li:first-child { border-top: 0; }
.bk-rm__list .bk-say { position: absolute; right: 0; top: var(--lg-s-3); }
.bk-rm__de { font: 800 var(--lg-fs-4)/1.25 var(--lg-font-display); letter-spacing: -0.015em; }
.bk-rm__en { color: #222; font-size: var(--lg-fs-2); }
.bk-tag { justify-self: start; margin-top: 4px; padding: .2em .45em; background: #000; color: #fff; font: 700 var(--lg-fs-1)/1.2 var(--lg-font-text); letter-spacing: .03em; }
.bk-rm__stars { border-top: 3px solid #000; padding-top: var(--lg-s-3); }
.bk-rm__starh { display: flex; flex-wrap: wrap; gap: .2em .6em; align-items: baseline; margin-bottom: var(--lg-s-2); font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); }
.bk-rm__starh .bk-enl { font: 500 var(--lg-fs-2)/1.2 var(--lg-font-text); color: var(--lg-grey); }
.bk-star { margin-right: .3em; }
.bk-gr__title { font-size: var(--lg-fs-5); }
.bk-gr__ten { margin-top: -8px; color: var(--lg-grey); }
.bk-gr__points { list-style: none; padding: 0; display: grid; gap: var(--lg-s-5); }
.bk-gr__points > li { display: grid; gap: var(--lg-s-2); }
.bk-gr__h { display: grid; grid-template-columns: auto 1fr; gap: 2px .6em; align-items: baseline; font-size: var(--lg-fs-4); }
.bk-gr__h .bk-enl { grid-column: 2; font: 500 var(--lg-fs-2)/1.3 var(--lg-font-text) !important; color: var(--lg-grey); }
.bk-gr__no { display: inline-grid; place-items: center; width: 1.6em; height: 1.6em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: .8em; }
.bk-gr__t { max-width: 62ch; }
.bk-gr__en { color: #333; font-size: var(--lg-fs-2); max-width: 62ch; }
.bk-gr__ex { display: grid; gap: 4px; padding: var(--lg-s-3) 0 var(--lg-s-3) var(--lg-s-4); border-left: 6px solid var(--lg-ink-s); }
.bk-gr__exl { font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .05em; text-transform: uppercase; }
.bk-gr__exl .bk-enl { color: var(--lg-grey); margin-left: .4em; }
.bk-gr__de { font: 800 var(--lg-fs-3)/1.35 var(--lg-font-display); }
.bk-gr__merke { padding-top: var(--lg-s-3); border-top: 3px solid #000; }
.bk-gr__ml { font: 800 var(--lg-fs-3)/1 var(--lg-font-display); margin-bottom: var(--lg-s-2); }
.bk-gr__ml .bk-enl { font: 500 var(--lg-fs-2)/1 var(--lg-font-text); color: var(--lg-grey); }
.bk-gr__merke ul { padding-left: 1.1em; display: grid; gap: var(--lg-s-2); }

/* ---------- Dokument: a real workplace document, with a du/Sie switch ---------- */
.bk-doc { margin: var(--lg-s-6) 0; border: 3px solid #000; background: #fff; box-shadow: 8px 8px 0 var(--lg-ink-p); max-width: 46rem; }
@container bk (min-width: 1068px) { .bk-doc { max-width: none; } }
@media (max-width: 479px) { .bk-doc { box-shadow: 5px 5px 0 var(--lg-ink-p); margin-right: 5px; } }
.bk-doc__bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--lg-s-2) var(--lg-s-4); padding: 10px 14px; border-bottom: 3px solid #000; }
.bk-doc__typ { padding: .25em .5em; background: #000; color: #fff; font: 800 var(--lg-fs-2)/1 var(--lg-font-display); }
.bk-doc__meta { flex: 1; font-size: var(--lg-fs-2); color: var(--lg-grey); }
.bk-doc__body { padding: 0 14px var(--lg-s-3); }
.bk-js .bk-doc[data-show="Sie"] .bk-pair[data-anrede="du"], .bk-js .bk-doc[data-show="du"] .bk-pair[data-anrede="Sie"] { display: none; }
.bk-js .bk-doc .bk-pair[data-anrede] .bk-vtag { display: none; }
.bk-js .bk-doc .bk-pair[data-anrede].is-swapped .bk-de { animation: bk-slab calc(var(--lg-d-3) * var(--lg-motion)) var(--lg-ease) both; }

/* ---------- Kurzcheck ---------- */
.bk-check { margin: var(--lg-s-6) 0 var(--lg-s-4); padding: var(--lg-s-4) 14px var(--lg-s-5); border: 3px solid #000; display: grid; gap: var(--lg-s-3); justify-items: start; max-width: 46rem; }
.bk-nojs .bk-check, .bk-nojs .bk-end, .bk-nojs .bk-head__acts, .bk-nojs [data-say], .bk-nojs [data-say-section] { display: none !important; }
.bk-check h4 { font-size: var(--lg-fs-4); }
.bk-check h4 .bk-enl { color: var(--lg-grey); }
.bk-check__intro { font-size: var(--lg-fs-2); color: var(--lg-grey); }
.bk-check__stage { display: grid; gap: var(--lg-s-3); width: 100%; }
.bk-check__stage:empty { display: none; }
.bk-q__n { font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .05em; text-transform: uppercase; color: var(--lg-grey); }
.bk-q__p { font: 800 var(--lg-fs-5)/1.15 var(--lg-font-display); letter-spacing: -0.02em; }
.bk-q__gap { display: inline-block; min-width: 4ch; border-bottom: 4px solid #000; }
.bk-q__en { font-size: var(--lg-fs-2); color: #222; }
.bk-q__opts { display: flex; flex-wrap: wrap; gap: 8px; }
.bk-q__opts button { min-height: 48px; min-width: 64px; padding: 0 1em; border: 2px solid #000; background: #fff; color: #000; font: 800 var(--lg-fs-3)/1 var(--lg-font-display); cursor: pointer; }
@media (hover: hover) { .bk-q__opts button:hover:not([disabled]) { background: #f1f1f1; } }
.bk-q__opts button.is-right { background: var(--lg-lime); }
.bk-q__opts button.is-wrong { background: #000; color: #fff; text-decoration: line-through; }
.bk-q__opts button[disabled] { cursor: default; }
.bk-check__live { min-height: 1.4em; font-weight: 700; }
.bk-check__live:empty { display: none; }

/* ---------- Section end: the stamp ---------- */
.bk-end { display: flex; flex-wrap: wrap; align-items: center; gap: var(--lg-s-4); margin-top: var(--lg-s-5); padding-top: var(--lg-s-4); border-top: 2px solid #000; }
.bk-stamp { display: inline-grid; place-items: center; gap: .15em; padding: .45em .8em .4em; border: 3px solid var(--lg-ink-s); color: #000; font: 800 var(--lg-fs-2)/1 var(--lg-font-display); letter-spacing: .03em; text-transform: uppercase; transform: rotate(-6deg); }
.bk-stamp small { font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .04em; }
.bk-stamp.is-new { animation: bk-stamp calc(420ms * var(--lg-motion)) var(--lg-ease-stamp) both; }
@keyframes bk-stamp { 0% { transform: rotate(-6deg) scale(1.6); opacity: 0; } 60% { opacity: 1; } 100% { transform: rotate(-6deg) scale(1); } }

/* ---------- Back pages: Kernwörter + Wortschatz ---------- */
.bk-back { padding: var(--lg-s-8) 0 var(--lg-s-6); border-top: 3px solid #000; display: grid; gap: var(--lg-s-4); }
.bk-legend { display: flex; flex-wrap: wrap; gap: .5em; align-items: center; font-size: var(--lg-fs-2); }
.bk-core { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); gap: 0 var(--lg-s-4); }
.bk-core li { border-top: 2px solid #000; }
.bk-core__b { display: grid !important; grid-template-columns: auto 1fr; gap: 2px .6em !important; align-items: baseline; }
.bk-core__w { font: 800 var(--lg-fs-4)/1.15 var(--lg-font-display); letter-spacing: -0.015em; }
.bk-core__pl, .bk-core__en { grid-column: 2; font-size: var(--lg-fs-2); }
.bk-core__pl { color: var(--lg-grey); }
.bk-az { list-style: none; padding: 0; columns: 18rem 2; column-gap: var(--lg-s-6); font-size: var(--lg-fs-2); }
.bk-az li { break-inside: avoid; padding: 0; border-top: 1px solid #ccc; }
.bk-az__w { font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); margin-left: .3em; }
.bk-az .bk-art + .bk-az__w { margin-left: .4em; }
.bk-az li > .bk-az__w:first-child { margin-left: 0; }
.bk-az__pl { color: var(--lg-grey); font-size: var(--lg-fs-1); }
.bk-az__ref { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; vertical-align: middle; font: 700 var(--lg-fs-1)/1 var(--lg-font-text); }
.bk-back--end ul { padding-left: 1.1em; }

/* ---------- Footer ---------- */
.bk-foot { display: flex; flex-wrap: wrap; gap: var(--lg-s-4); align-items: center; justify-content: space-between; margin-top: var(--lg-s-8); padding: var(--lg-s-6) max(16px, var(--lg-gutter)) calc(var(--lg-s-8) + env(safe-area-inset-bottom, 0px)); border-top: 3px solid #000; font-size: var(--lg-fs-2); }
.bk-foot p { max-width: 52ch; }

/* ---------- Bookmark bar (bottom of the screen on phones: thumb zone) ---------- */
.bk-resume { position: fixed; z-index: 120; left: 50%; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); translate: -50% 0; display: flex; align-items: center; gap: 10px; width: min(560px, calc(100% - 24px)); padding: 8px 6px 8px 14px; background: #000; color: #fff; box-shadow: 5px 5px 0 var(--lg-ink-s); font-size: var(--lg-fs-2); }
.bk-resume[hidden] { display: none; }
.bk-resume p { flex: 1; min-width: 0; line-height: 1.3; }
.bk-resume [data-resume-t] { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-resume .bk-btn { background: #fff; color: #000; border-color: #fff; flex: none; }
.bk-resume .bk-x { color: #fff; flex: none; }
.bk-resume :focus-visible { outline-color: #fff; box-shadow: none; }

/* ---------- Dialogs: bottom sheet on phones, a framed card on desktop ---------- */
.bk-dlg { width: 100%; max-width: none; max-height: min(88vh, 88dvh); margin: auto 0 0; padding: 0; border: 0; border-top: 3px solid #000; background: #fff; color: #000; overscroll-behavior: contain; }
.bk-dlg::backdrop { background: rgba(0, 0, 0, .55); }
.bk-dlg[open] { animation: bk-sheet calc(var(--lg-d-4) * var(--lg-motion)) var(--lg-ease-out) both; }
@keyframes bk-sheet { from { transform: translateY(40px); opacity: 0; } }
.bk-dlg__in { position: relative; display: grid; gap: var(--lg-s-4); padding: var(--lg-s-5) max(16px, var(--lg-gutter)) calc(var(--lg-s-6) + env(safe-area-inset-bottom, 0px)); }
.bk-dlg__in > h2 { padding-right: 48px; font-size: var(--lg-fs-5); }
.bk-dlg__in > h2 .bk-enl { display: inline-block; vertical-align: middle; padding: .1em .4em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: .5em; }
.bk-dlg__x { position: absolute; top: 8px; right: 8px; }
@media (min-width: 720px) {
  .bk-dlg { width: min(620px, calc(100% - 48px)); max-height: min(86vh, 900px); margin: auto; border: 3px solid #000; box-shadow: 10px 10px 0 var(--lg-ink-s); }
  .bk-dlg[open] { animation-name: bk-pop; }
  @keyframes bk-pop { from { transform: scale(.97); opacity: 0; } }
}
.bk-dlg .bk-toc__ch > a { font-size: var(--lg-fs-3); }
.bk-wd__kind { font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .06em; text-transform: uppercase; color: var(--lg-grey); }
.bk-wd__kind:empty, .bk-wd__pl:empty, .bk-wd__ref:empty { display: none; }
.bk-wd__w { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3em; padding-right: 48px; font: 900 clamp(2rem, 1.4rem + 3vw, 3rem)/1.02 var(--lg-font-display) !important; letter-spacing: -0.035em; hyphens: auto; overflow-wrap: break-word; }
.bk-wd__w[data-len="l"] { font-size: clamp(1.7rem, 1.2rem + 2.4vw, 2.5rem) !important; }
.bk-wd__w[data-len="xl"] { font-size: clamp(1.45rem, 1rem + 2vw, 2.1rem) !important; }
.bk-wd__w [data-wd-w] { min-width: 0; max-width: 100%; }
.bk-wd__w .bk-art { font-size: .45em; vertical-align: middle; }
.bk-wd__pl { font: 600 var(--lg-fs-3)/1.3 var(--lg-font-text); }
.bk-wd__en { justify-self: start; padding: .2em .5em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font: 600 var(--lg-fs-4)/1.35 var(--lg-font-text); }
.bk-wd__ref { font-size: var(--lg-fs-2); color: var(--lg-grey); }
.bk-wd__acts { display: flex; flex-wrap: wrap; gap: var(--lg-s-2); }
.bk-list { list-style: none; padding: 0; display: grid; }
.bk-list li { display: flex; align-items: center; gap: .6em; padding: .35em 0; border-top: 2px solid #000; }
.bk-list li:last-child { border-bottom: 2px solid #000; }
.bk-list__w { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: .1em .5em; align-items: baseline; }
.bk-list__w b { font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); }
.bk-list__w span[lang="en"] { font-size: var(--lg-fs-2); color: #222; }
.bk-list__empty[hidden] { display: none; }
.bk-opt { display: grid; gap: 6px; padding-top: var(--lg-s-3); border-top: 2px solid #000; justify-items: start; }
.bk-opt__l { font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); }
.bk-switch { display: inline-flex; align-items: center; gap: .7em; min-height: 48px; padding: 0 .9em 0 .5em; border: 2px solid #000; background: #fff; color: #000; font: 800 var(--lg-fs-3)/1 var(--lg-font-display); cursor: pointer; }
.bk-switch::before { content: ""; width: 2.4em; height: 1.3em; border: 2px solid #000; background: linear-gradient(#000, #000) 2px 50% / calc(1.3em - 8px) calc(1.3em - 8px) no-repeat, #fff; transition: background-position calc(var(--lg-d-2) * var(--lg-motion)) var(--lg-ease); }
.bk-switch[aria-pressed="true"]::before { background: linear-gradient(#000, #000) calc(100% - 2px) 50% / calc(1.3em - 8px) calc(1.3em - 8px) no-repeat, var(--lg-ink-s); }

/* ---------- Modes ---------- */
.bk-hard .bk-en, .bk-hard .bk-enl, .bk-hard .bk-g__en, .bk-hard [data-wd-en] { display: none !important; }
.bk-hard .bk-pair__tools:not(:has(.bk-say:not([hidden]))) { display: none; }

/* ---------- Motion: the OS setting wins ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  .bk-body *, .bk-body *::before, .bk-body *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; transition-duration: 1ms !important; }
}

/* ---------- Printing: the web book is not for printing (Max, 2026-11-02). Ebooks are sold separately. ---------- */
@media print {
  .bk-body:not(.bk-body--print) > * { display: none !important; }
  .bk-body:not(.bk-body--print)::before { content: "Dieses interaktive Buch kann nicht gedruckt werden. This interactive book cannot be printed. learngerman.school"; display: block; padding: 2cm; font: 700 16pt/1.4 var(--lg-font-display); }
}

/* ===================== v2 (2026-11-02): first screen, side contents, rich word cards, diagrams, Probefahrt ===================== */
/* ---------- Admin bar + licensee (injected by the WordPress reader, not in the static build) ---------- */
.bk-admin { position: relative; z-index: 60; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 8px max(16px, var(--lg-gutter)); background: #000; color: #fff; font: 600 var(--lg-fs-2)/1.3 var(--lg-font-text); }
.bk-admin b { font-family: var(--lg-font-display); }
.bk-admin a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 .8em; border: 2px solid #fff; color: #fff; text-decoration: none; background-image: none; }
.bk-admin a:hover, .bk-admin a:focus-visible { background: #fff; color: #000; }
.bk-admin :focus-visible { outline-color: #fff; box-shadow: none; }
.bk-licensee { flex-basis: 100%; font-size: var(--lg-fs-1); color: var(--lg-grey); }

/* ---------- Cover is shorter now: the first screen also says what this is ---------- */
.bk-cover { min-height: 0; }
.bk-cover__ink { padding-block: var(--lg-s-6) var(--lg-s-6); gap: var(--lg-s-5); }
.bk-cover__title { font-size: clamp(2.3rem, 1.3rem + 5vw, 5.2rem); }
.bk-intro { width: min(100% - 32px, 68rem); margin: 0 auto; padding: var(--lg-s-6) 0 var(--lg-s-7); display: grid; gap: var(--lg-s-4); border-bottom: 3px solid #000; }
.bk-intro__k { justify-self: start; padding: .3em .55em; background: #000; color: #fff; font: 800 var(--lg-fs-2)/1.1 var(--lg-font-display); letter-spacing: .01em; }
.bk-intro__k .bk-enl { margin-left: .4em; color: var(--lg-ink-s); font: 500 var(--lg-fs-1)/1 var(--lg-font-text); }
.bk-intro__lead { max-width: 30ch; font: 800 var(--lg-fs-5)/1.18 var(--lg-font-display) !important; letter-spacing: -0.02em; }
.bk-intro__en { max-width: 62ch; color: #222; }
.bk-intro__feats { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14.5rem), 1fr)); gap: var(--lg-s-3) var(--lg-s-4); }
.bk-intro__feats li { display: grid; gap: var(--lg-s-2); align-content: start; padding-top: var(--lg-s-3); border-top: 2px solid #000; }
.bk-intro__feats p { font-size: var(--lg-fs-2); line-height: 1.45; }
.bk-intro__feats b { display: block; font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); margin-bottom: 2px; }
.bk-intro__demo { justify-self: start; padding: .55em .7em; background: #000; color: #fff; font: 700 var(--lg-fs-1)/1 var(--lg-font-text); letter-spacing: .05em; text-transform: uppercase; }
.bk-intro__w { justify-self: start; font: 800 var(--lg-fs-4)/1.1 var(--lg-font-display); text-decoration: underline; text-decoration-color: var(--lg-ink-s); text-decoration-thickness: 3px; text-underline-offset: .2em; }
.bk-intro__ico { justify-self: start; display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font: 800 1.1rem/1 var(--lg-font-display); }
.bk-intro__go { display: flex; flex-wrap: wrap; align-items: center; gap: var(--lg-s-3); }
@media (min-width: 960px) { .bk-intro { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: var(--lg-s-7); } .bk-intro__k, .bk-intro__lead, .bk-intro__en, .bk-intro__go { grid-column: 1; } .bk-intro__feats { grid-column: 2; grid-row: 1 / span 4; grid-template-columns: 1fr 1fr; } }

/* ---------- Contents as a side panel on wide screens ---------- */
.bk-side { position: fixed; z-index: 40; top: 62px; left: 0; bottom: 0; width: 19.5rem; overflow-y: auto; overscroll-behavior: contain; background: #fff; border-right: 2px solid #000; }
.bk-side__in { padding: var(--lg-s-4) var(--lg-s-4) var(--lg-s-7); display: grid; gap: var(--lg-s-2); }
.bk-side__h { font-size: var(--lg-fs-4) !important; }
.bk-side__h .bk-enl { display: inline-block; vertical-align: middle; padding: .1em .4em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: .55em; }
.bk-side__sum { font-size: var(--lg-fs-1); font-weight: 600; }
.bk-side .bk-toc__ch > a { font-size: var(--lg-fs-3); }
.bk-side .bk-toc ol a { padding-left: .2em; font-size: var(--lg-fs-2); }
.bk-side .bk-toc__count { padding-left: 0; }
.bk-side .bk-toc a[aria-current="true"] { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-side-open .bk-main, .bk-side-open .bk-foot { margin-left: 19.5rem; }
.bk-side-open .bk-resume { left: calc(50% + 9.75rem); }
.bk-side-open [data-toc-btn] { background: #000; color: #fff; }
.bk-side-open .bk-contents { display: none; }

/* ---------- Word card: what the word does in the job ---------- */
.bk-dlg--word { max-height: min(92vh, 92dvh); }
@media (min-width: 720px) { .bk-dlg--word { width: min(680px, calc(100% - 48px)); } }
.bk-wd__more { display: grid; gap: var(--lg-s-4); }
.bk-wd__more:empty { display: none; }
.bk-wd__b { display: grid; gap: 6px; padding-top: var(--lg-s-3); border-top: 2px solid #000; }
.bk-wd__h { font: 800 var(--lg-fs-1)/1.2 var(--lg-font-display); letter-spacing: .05em; text-transform: uppercase; }
.bk-wd__h .bk-enl { color: var(--lg-grey); font: 600 var(--lg-fs-1)/1.2 var(--lg-font-text); letter-spacing: .02em; text-transform: none; }
.bk-wd__job p:not(.bk-wd__h) { font: 500 var(--lg-fs-3)/1.5 var(--lg-font-text); max-width: 56ch; }
.bk-wd__col { list-style: none; padding: 0; display: grid; gap: 6px; }
.bk-wd__col li { display: grid; gap: 0; }
.bk-wd__col b { font: 800 var(--lg-fs-3)/1.3 var(--lg-font-display); }
.bk-wd__col .bk-enl, .bk-wd__exen { color: #333; font-size: var(--lg-fs-2); }
.bk-wd__de { font: 800 var(--lg-fs-3)/1.4 var(--lg-font-display); }
.bk-wd__ex { padding-left: var(--lg-s-3); border-left: 6px solid var(--lg-ink-s); border-top: 0; padding-top: 0; }
.bk-wd__go { justify-self: start; display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; font-size: var(--lg-fs-2); }
.bk-wd__ivrow { display: flex; gap: var(--lg-s-2); align-items: flex-start; }
.bk-wd__ivrow .bk-wd__de { flex: 1; }
.bk-wd__iv { background: #f4f4f4; padding: var(--lg-s-3); border-top: 0; }
.bk-wd__fam { display: flex; flex-wrap: wrap; gap: 6px; }
.bk-wd__fam span { padding: .25em .5em; border: 2px solid #000; font: 700 var(--lg-fs-2)/1.2 var(--lg-font-display); }
.bk-wd__warn { padding: var(--lg-s-3); border: 3px solid #000; border-top-width: 3px; }
.bk-pair.is-flash { animation: bk-flash 1.6s var(--lg-ease) both; }
@keyframes bk-flash { 0%, 40% { background: color-mix(in srgb, var(--lg-ink-s) 35%, #fff); } 100% { background: transparent; } }

/* ---------- Diagrams (::: visual) ---------- */
.bk-vis { margin-inline: 0; }
.bk-vis__bar { background: #000; color: #fff; }
.bk-vis .bk-vis__bar .bk-enl { color: var(--lg-ink-s); }
.bk-vis__t { font-size: var(--lg-fs-4); }
.bk-vis__t .bk-enl { display: block; margin-top: 4px; color: var(--lg-grey); }
.bk-vis__text { font-size: var(--lg-fs-2); }
.bk-vis__text .bk-enl, .bk-vis .bk-enl { color: #444; }
.bk-vis__f { font: 600 var(--lg-fs-2)/1.4 var(--lg-font-text); }
.bk-vis__live { min-height: 1.4em; font-weight: 700; font-size: var(--lg-fs-2); }
.bk-vis__live:empty { display: none; }
.bk-vtable { width: 100%; border-collapse: collapse; font-size: var(--lg-fs-2); }
.bk-vtable th, .bk-vtable td { padding: .4em .5em; border-top: 2px solid #000; text-align: left; }
.bk-vlist { padding-left: 1.1em; display: grid; gap: 4px; }
/* RICE */
.bk-rice { list-style: none; padding: 0; display: grid; gap: var(--lg-s-3); }
.bk-rice__card { border: 2px solid #000; padding: var(--lg-s-3); display: grid; gap: var(--lg-s-3); background: #fff; }
.bk-rice__card:first-child { box-shadow: 6px 6px 0 var(--lg-ink-s); }
.bk-rice__top { display: grid; grid-template-columns: auto 1fr auto; gap: var(--lg-s-3); align-items: center; }
.bk-rice__rank { display: inline-grid; place-items: center; width: 2.2rem; height: 2.2rem; background: #000; color: #fff; font: 900 var(--lg-fs-4)/1 var(--lg-font-display); }
.bk-rice__name { font: 800 var(--lg-fs-3)/1.25 var(--lg-font-display); }
.bk-rice__name .bk-enl { display: block; font: 500 var(--lg-fs-1)/1.3 var(--lg-font-text); }
.bk-rice__score b { font: 900 clamp(1.8rem, 1.2rem + 2vw, 2.6rem)/1 var(--lg-font-display); letter-spacing: -0.03em; }
.bk-rice__ctl { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); gap: var(--lg-s-2) var(--lg-s-4); }
.bk-rice__c { display: grid; grid-template-columns: 1fr auto; gap: 0 .5em; align-items: center; }
.bk-rice__c label { grid-column: 1 / -1; font: 700 var(--lg-fs-2)/1.2 var(--lg-font-display); }
.bk-rice__c label .bk-enl { font: 500 var(--lg-fs-1)/1.2 var(--lg-font-text); }
.bk-rice__c input { width: 100%; min-height: 44px; accent-color: #000; margin: 0; }
.bk-rice__c output { min-width: 3.2em; text-align: right; font: 800 var(--lg-fs-3)/1 var(--lg-font-display); }
/* Stakeholder matrix */
.bk-mx { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: 1fr auto; gap: 6px; }
.bk-mx__y { grid-row: 1; writing-mode: vertical-rl; rotate: 180deg; text-align: center; font: 700 var(--lg-fs-1)/1.2 var(--lg-font-text); }
.bk-mx__x { grid-column: 2; text-align: right; font: 700 var(--lg-fs-1)/1.2 var(--lg-font-text); }
.bk-mx__grid { position: relative; grid-column: 2; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; aspect-ratio: 1.15; max-height: 30rem; margin: 22px; border: 2px solid #000; }
.bk-mx__q { display: grid; align-content: start; gap: 0; padding: 6px 8px; max-width: 100%; font: 800 var(--lg-fs-1)/1.15 var(--lg-font-display); }
.bk-mx__q .bk-enl { font: 500 var(--lg-fs-1)/1.15 var(--lg-font-text); }
.bk-mx__q--11 { background: var(--lg-ink-s); color: var(--lg-ink-s-on); grid-column: 2; grid-row: 1; }
.bk-mx__q--11 .bk-enl { color: inherit; }
.bk-mx__q--10 { grid-column: 1; grid-row: 1; border-right: 2px solid #000; border-bottom: 2px solid #000; }
.bk-mx__q--00 { grid-column: 1; grid-row: 2; border-right: 2px solid #000; }
.bk-mx__q--01 { grid-column: 2; grid-row: 2; border-top: 2px solid #000; }
.bk-mx__p { position: absolute; left: calc(var(--x) * 100%); bottom: calc(var(--y) * 100%); translate: -50% 50%; display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid #000; border-radius: 50%; background: #fff; color: #000; font: 800 var(--lg-fs-2)/1 var(--lg-font-display); cursor: pointer; }
.bk-mx__p[aria-pressed="true"] { background: #000; color: #fff; }
@media (hover: hover) { .bk-mx__p:hover { transform: scale(1.08); } }
.bk-mx__info { min-height: 3.2em; padding: var(--lg-s-3); border: 2px solid #000; display: grid; gap: 4px; }
.bk-mx__who b { font: 800 var(--lg-fs-3)/1.2 var(--lg-font-display); }
.bk-mx__tag { padding: .15em .45em; background: #000; color: #fff; font: 800 var(--lg-fs-2)/1.2 var(--lg-font-display); }
/* Board */
.bk-board__legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: var(--lg-fs-2); }
.bk-board__list { list-style: none; padding: 0; display: grid; gap: var(--lg-s-3); }
.bk-board__it { display: grid; gap: var(--lg-s-2); padding: var(--lg-s-3); border: 2px solid #000; }
.bk-board__it.is-ok { box-shadow: 6px 6px 0 var(--lg-ink-s); }
.bk-board__it.is-off { border-style: dashed; }
.bk-board__name { font: 800 var(--lg-fs-3)/1.3 var(--lg-font-display); }
.bk-board__name .bk-enl { display: block; font: 500 var(--lg-fs-1)/1.3 var(--lg-font-text); }
.bk-board__pick { display: flex; flex-wrap: wrap; gap: 6px; }
.bk-board__pick button { min-height: 44px; padding: 0 .9em; border: 2px solid #000; background: #fff; color: #000; font: 700 var(--lg-fs-2)/1 var(--lg-font-display); cursor: pointer; }
.bk-board__pick button[aria-pressed="true"] { background: #000; color: #fff; }
.bk-board__res { font: 800 var(--lg-fs-2)/1.3 var(--lg-font-display); }
.bk-board__why { font-size: var(--lg-fs-2); }
.bk-board--static { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: var(--lg-s-3); }
.bk-board--static ul { padding-left: 1.1em; }
/* Tree + steps */
.bk-tree { display: grid; gap: var(--lg-s-3); }
.bk-tree__node > summary, .bk-tree__o { display: flex; flex-wrap: wrap; gap: 4px .6em; align-items: baseline; min-height: 44px; padding: .6em .8em; background: #000; color: #fff; cursor: pointer; font: 800 var(--lg-fs-3)/1.3 var(--lg-font-display); list-style: none; }
.bk-tree__node > summary::-webkit-details-marker { display: none; }
.bk-tree__node > summary .bk-enl, .bk-tree__o .bk-enl { color: var(--lg-ink-s); font: 500 var(--lg-fs-2)/1.3 var(--lg-font-text); }
.bk-tree__n { margin-left: auto; padding: .1em .45em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: var(--lg-fs-1); }
.bk-tree ol { list-style: none; margin: 0; padding: 0 0 0 var(--lg-s-5); border-left: 4px solid #000; margin-left: var(--lg-s-4); display: grid; }
.bk-tree ol li { position: relative; padding: var(--lg-s-3) 0 var(--lg-s-2) var(--lg-s-3); border-bottom: 1px solid #ccc; font: 700 var(--lg-fs-3)/1.35 var(--lg-font-display); }
.bk-tree ol li::before { content: ""; position: absolute; left: calc(-1 * var(--lg-s-5) - 2px); top: 1.2em; width: calc(var(--lg-s-5) - 4px); height: 4px; background: #000; }
.bk-tree ol li .bk-enl { display: block; font: 500 var(--lg-fs-2)/1.35 var(--lg-font-text); }
.bk-steps { list-style: none; padding: 0; display: grid; gap: 0; counter-reset: s; }
.bk-steps > li { position: relative; padding: 0 0 var(--lg-s-3) 0; }
.bk-steps > li + li::before { content: ""; position: absolute; left: 21px; top: -16px; height: 16px; width: 2px; background: #000; }
.bk-steps summary, .bk-steps__s { display: grid; grid-template-columns: 44px 1fr; gap: 2px var(--lg-s-3); align-items: center; min-height: 44px; cursor: pointer; font: 800 var(--lg-fs-3)/1.3 var(--lg-font-display); list-style: none; }
.bk-steps summary::-webkit-details-marker { display: none; }
.bk-steps summary .bk-enl, .bk-steps__s .bk-enl { grid-column: 2; font: 500 var(--lg-fs-2)/1.3 var(--lg-font-text); }
.bk-steps__no { grid-row: span 2; display: inline-grid; place-items: center; width: 44px; height: 44px; background: #000; color: #fff; font: 900 var(--lg-fs-4)/1 var(--lg-font-display); }
.bk-steps details[open] .bk-steps__no { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
@media (hover: hover) { .bk-steps summary:hover .bk-steps__no { box-shadow: 3px 3px 0 var(--lg-ink-s); } }
.bk-steps__d { margin: var(--lg-s-2) 0 0 calc(44px + var(--lg-s-3)); padding: var(--lg-s-2) var(--lg-s-3); border-left: 4px solid var(--lg-ink-s); font-size: var(--lg-fs-2); }
.bk-steps__d .bk-enl { display: block; color: #444; }

/* ---------- Kann ich jetzt + Probe-Interview + Passt der Beruf ---------- */
.bk-kann { max-width: 46rem; margin-top: var(--lg-s-5); padding: var(--lg-s-3) var(--lg-s-4); border: 3px dashed #000; display: grid; gap: 4px; }
.bk-kann.is-got { border-style: solid; box-shadow: 6px 6px 0 var(--lg-ink-s); }
.bk-kann__k { font: 800 var(--lg-fs-1)/1.2 var(--lg-font-display); letter-spacing: .05em; text-transform: uppercase; }
.bk-kann__k .bk-enl { color: var(--lg-grey); font: 600 var(--lg-fs-1)/1.2 var(--lg-font-text); text-transform: none; letter-spacing: 0; }
.bk-kann.is-got .bk-kann__k .bk-enl { display: none; }
.bk-kann.is-got .bk-kann__k::after { content: " ✓"; }
.bk-kann__de { font: 800 var(--lg-fs-4)/1.3 var(--lg-font-display); }
.bk-kann__en { color: #333; font-size: var(--lg-fs-2); }
.bk-iv { max-width: 46rem; }
.bk-iv__q { font-size: var(--lg-fs-5); }
.bk-iv__l { font: 800 var(--lg-fs-1)/1.2 var(--lg-font-display); letter-spacing: .05em; text-transform: uppercase; }
.bk-iv__l .bk-enl { color: var(--lg-grey); font: 600 var(--lg-fs-1)/1.2 var(--lg-font-text); text-transform: none; letter-spacing: 0; }
.bk-iv__parts { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.bk-iv__parts li { padding: .35em .6em; border: 2px solid #000; font: 700 var(--lg-fs-2)/1.3 var(--lg-font-display); }
.bk-iv__ans > summary { display: inline-flex; align-items: center; gap: .5em; min-height: 48px; padding: 0 1em; border: 2px solid #000; cursor: pointer; font: 700 var(--lg-fs-3)/1.1 var(--lg-font-display); list-style: none; }
.bk-iv__ans > summary::-webkit-details-marker { display: none; }
.bk-iv__ans[open] > summary { background: #000; color: #fff; }
.bk-iv__ans[open] > summary .bk-enl { color: var(--lg-ink-s); }
.bk-iv__pair { border-top: 0; }
.bk-fit { display: grid; gap: var(--lg-s-2); padding-top: var(--lg-s-3); border-top: 3px solid #000; }
.bk-fit__btns { display: flex; flex-wrap: wrap; gap: 6px; }
.bk-fit__btns button { display: grid; justify-items: start; min-height: 48px; padding: .4em .9em; border: 2px solid #000; background: #fff; color: #000; cursor: pointer; font: 800 var(--lg-fs-3)/1.15 var(--lg-font-display); text-align: left; }
.bk-fit__btns button .bk-enl { font: 500 var(--lg-fs-1)/1.2 var(--lg-font-text); }
.bk-fit__btns button[aria-pressed="true"] { background: var(--lg-ink-s); color: var(--lg-ink-s-on); box-shadow: 4px 4px 0 #000; }
.bk-nojs .bk-fit, .bk-nojs .bk-trip, .bk-nojs .bk-kann .bk-enl:last-child { display: none; }

/* ---------- Ihre Probefahrt ---------- */
.bk-trip { width: min(100% - 32px, 68rem); margin: var(--lg-s-8) auto 0; padding: var(--lg-s-7) 0; border-top: 3px solid #000; display: grid; gap: var(--lg-s-4); }
.bk-trip > h2 { font-size: var(--lg-fs-6); }
.bk-trip > h2 .bk-enl { display: inline-block; vertical-align: middle; padding: .1em .4em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); font-size: .4em; }
.bk-trip__stats { display: flex; flex-wrap: wrap; gap: var(--lg-s-3); }
.bk-trip__stats p { display: grid; min-width: 9rem; padding: var(--lg-s-3); border: 2px solid #000; }
.bk-trip__stats b { font: 900 var(--lg-fs-6)/1 var(--lg-font-display); letter-spacing: -0.03em; }
.bk-trip__h { font-size: var(--lg-fs-4); margin-top: var(--lg-s-4) !important; }
.bk-trip__h .bk-enl { display: block; color: var(--lg-grey); }
.bk-trip__cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: var(--lg-s-3); }
.bk-trip__cards li { display: grid; grid-template-columns: auto 1fr; gap: var(--lg-s-3); padding: var(--lg-s-3); border: 3px solid #000; box-shadow: 6px 6px 0 var(--lg-ink-s); }
.bk-trip__no { align-self: start; padding: .2em .4em; background: #000; color: #fff; font: 800 var(--lg-fs-2)/1 var(--lg-font-display); }
.bk-trip__de { font: 800 var(--lg-fs-3)/1.3 var(--lg-font-display); }
.bk-trip__cards .bk-enl { font-size: var(--lg-fs-2); color: #333; }
.bk-trip__fit { list-style: none; padding: 0; display: grid; }
.bk-trip__fit li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 1em; padding: var(--lg-s-2) 0; border-top: 2px solid #000; }
.bk-trip__v { padding: .15em .45em; font: 800 var(--lg-fs-2)/1.2 var(--lg-font-display); border: 2px solid #000; }
.bk-trip__v--2 { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-trip__v--x { border-style: dashed; color: var(--lg-grey); }
.bk-trip__share { display: grid; gap: var(--lg-s-4); align-items: start; margin-top: var(--lg-s-4); }
@media (min-width: 720px) { .bk-trip__share { grid-template-columns: minmax(0, 22rem) 1fr; } }
.bk-trip__canvas { width: 100%; max-width: 22rem; height: auto; border: 2px solid #000; }
.bk-trip__acts { display: flex; flex-wrap: wrap; gap: var(--lg-s-2); align-content: start; }
.bk-trip__acts p { flex-basis: 100%; }

/* ---------- Footer: back to top; toast ---------- */
.bk-top { order: -1; flex-basis: 100%; justify-self: start; width: max-content; background-image: none !important; text-decoration: none; }
.bk-top .bk-enl { font: 500 var(--lg-fs-2)/1 var(--lg-font-text); }
.bk-toast { position: fixed; z-index: 400; left: 50%; bottom: calc(80px + env(safe-area-inset-bottom, 0px)); translate: -50% 0; max-width: min(520px, calc(100% - 24px)); padding: 12px 16px; background: #000; color: #fff; font: 600 var(--lg-fs-2)/1.35 var(--lg-font-text); box-shadow: 6px 6px 0 var(--lg-ink-s); }
.bk-opt__voice { display: flex; flex-wrap: wrap; gap: .5em; align-items: center; }
.bk-opt__voice select { min-height: 44px; max-width: 100%; border: 2px solid #000; background: #fff; font: 600 var(--lg-fs-2)/1 var(--lg-font-text); padding: 0 .5em; }

.bk-mx__q--10, .bk-mx__q--00 { justify-items: start; }
.bk-mx__q--11, .bk-mx__q--01 { justify-items: end; text-align: right; }
.bk-mx__q--00, .bk-mx__q--01 { align-content: end; }
@media (max-width: 479px) { .bk-mx__q .bk-enl { display: none; } .bk-mx__grid { margin: 22px 22px 22px 18px; } }
/* RICE: compact rows, values open on demand */
.bk-rice__vals > summary { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; min-height: 44px; cursor: pointer; list-style: none; font: 600 var(--lg-fs-2)/1.2 var(--lg-font-text); }
.bk-rice__vals > summary::-webkit-details-marker { display: none; }
.bk-rice__vals > summary b { font-family: var(--lg-font-display); }
.bk-rice__edit { margin-left: auto; padding: .35em .6em; border: 2px solid #000; font: 700 var(--lg-fs-1)/1 var(--lg-font-display); }
.bk-rice__vals[open] .bk-rice__edit { background: #000; color: #fff; }
.bk-rice__vals[open] > summary { margin-bottom: var(--lg-s-2); }
/* Board: the team's roadmap as columns after comparing */
.bk-board__team { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); gap: 0; border: 3px solid #000; }
.bk-board__team > div { padding: var(--lg-s-3); display: grid; gap: var(--lg-s-2); align-content: start; }
.bk-board__team > div + div { border-left: 3px solid #000; }
@media (max-width: 539px) { .bk-board__team > div + div { border-left: 0; border-top: 3px solid #000; } }
.bk-board__team h5 { font: 900 var(--lg-fs-4)/1 var(--lg-font-display); }
.bk-board__team h5 .bk-enl { font: 500 var(--lg-fs-1)/1 var(--lg-font-text); }
.bk-board__team > div:first-child { background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-board__team p { padding: .4em .5em; background: #fff; color: #000; border: 2px solid #000; font: 700 var(--lg-fs-2)/1.3 var(--lg-font-display); }
/* First screen on wide screens: cover and „what this is“ side by side */
@container bk (min-width: 900px) {
  .bk-first { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); border-bottom: 3px solid #000; }
  .bk-first .bk-cover { border-bottom: 0; border-right: 3px solid #000; }
  .bk-first .bk-cover__title { font-size: clamp(2.2rem, 0.6rem + 4.2cqi, 4.6rem); }
  .bk-first .bk-cover__partner { width: 100%; }
  .bk-first .bk-intro { width: auto; margin: 0; padding: var(--lg-s-6) max(16px, var(--lg-gutter)); border-bottom: 0; grid-template-columns: 1fr; align-content: start; }
  .bk-first .bk-intro > * { grid-column: auto; grid-row: auto; }
  .bk-first .bk-intro__feats { grid-template-columns: 1fr 1fr; }
  .bk-first .bk-intro__lead { font-size: var(--lg-fs-4) !important; }
}
.bk-cover__foot { padding-block: var(--lg-s-4); }

/* Matrix v2: quadrant names outside the grid, so people never cover them */
.bk-mx { grid-template-rows: auto auto auto auto; }
.bk-mx__y { grid-row: 2; }
.bk-mx__lt, .bk-mx__lb { grid-column: 2; display: grid; grid-template-columns: 1fr 1fr; margin-inline: 22px; }
.bk-mx__grid { grid-row: 3; grid-column: 2; margin: 22px; }
.bk-mx__y { grid-row: 3; }
.bk-mx__lb { grid-row: 4; }
.bk-mx__x { grid-row: 5; }
.bk-mx__lt .bk-mx__q, .bk-mx__lb .bk-mx__q { background: none; border: 0; padding: 0 4px; color: #000; }
.bk-mx__q--11 { justify-items: end; text-align: right; }
.bk-mx__q--11 > span:first-child { padding: 0 .3em; background: var(--lg-ink-s); color: var(--lg-ink-s-on); }
.bk-mx__f--11 { background: color-mix(in srgb, var(--lg-ink-s) 55%, #fff); }
.bk-mx__f--10 { border-right: 2px solid #000; border-bottom: 2px solid #000; }
.bk-mx__f--00 { border-right: 2px solid #000; }
.bk-mx__f--01 { border-top: 2px solid #000; }
.bk-mx__f--11, .bk-mx__f--01 { grid-column: 2; }
.bk-mx__p { left: calc(6% + var(--x) * 88%); bottom: calc(6% + var(--y) * 88%); }
@media (max-width: 479px) { .bk-mx__grid { margin: 22px 22px 22px 18px; } .bk-mx__lt, .bk-mx__lb { margin-inline: 18px 22px; } }
/* Links styled as buttons keep their button colours */
.bk-body a.bk-btn { color: #fff; background-image: none; text-decoration: none; }
.bk-body a.bk-btn--ghost { color: #000; }
.bk-first .bk-cover__foot { display: none; }

/* ===================== v3 (2026-11-03): UX review fixes + plugin contract (research/2026-11-03-interactive-book-ux-review.md) ===================== */
/* P0-1: the bookmark button is black on white (the generic a.bk-btn rule above used to win) */
.bk-body .bk-resume a.bk-btn { background: #fff; color: #000; border-color: #fff; }
/* P0-2: dialogs open at their title; the title takes focus but needs no ring (it is not a control) */
.bk-dlg h2[tabindex="-1"]:focus { outline: none; box-shadow: none; }
/* Slots the WordPress reader fills (<!--bk:licensee-->, <!--bk:sitelinks-->); empty offline, so they take no space */
.bk-slot:empty { display: none; }
.bk-cover__lic { padding: 0 max(16px, var(--lg-gutter)) var(--lg-s-3); }
.bk-cover__lic .bk-licensee, .bk-opt__lic .bk-licensee { margin: 0; }
.bk-opt--site { gap: var(--lg-s-2); }
.bk-opt--site:not(:has(.bk-slot:not(:empty))) { display: none; }
.bk-foot__links, .bk-foot__lic { flex-basis: 100%; }
.bk-links { display: flex; flex-wrap: wrap; gap: 0 var(--lg-s-4); }
.bk-links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; }
/* P1-5: one product name on the cover; a compact cover on phones, so „Lesen beginnen“ is in the first screen */
.bk-cover__fmt { display: flex; flex-wrap: wrap; gap: 0 .5em; align-items: baseline; }
.bk-cover__fmt > [lang="de"] { font-family: var(--lg-font-display); font-weight: 800; }
.bk-cover__fmten { font-weight: 500; }
@media (max-width: 599px) {
  .bk-cover:not(.bk-cover--sheet) .bk-cover__ink { padding: var(--lg-s-4) 16px; gap: var(--lg-s-3); }
  .bk-cover:not(.bk-cover--sheet) .bk-cover__title { max-width: none; font-size: clamp(1.6rem, 1.1rem + 2.6vw, 2.1rem); line-height: .98; letter-spacing: -0.035em; }
  .bk-cover:not(.bk-cover--sheet) .bk-cover__sub { font-size: var(--lg-fs-2); }
  .bk-cover:not(.bk-cover--sheet) .bk-cover__partner { padding: var(--lg-s-2) 16px; font-size: var(--lg-fs-2); }
  .bk-cover:not(.bk-cover--sheet) .bk-cover__level { font-size: var(--lg-fs-3); }
  .bk-cover:not(.bk-cover--sheet) .bk-cover__foot { display: none; }
  .bk-cover__lic { padding-top: var(--lg-s-2); }
  .bk-intro { padding-top: var(--lg-s-4); gap: var(--lg-s-3); }
  .bk-intro__lead { font-size: var(--lg-fs-4) !important; }
}
/* P1-8: „Nächste Szene →“ at every scene end */
.bk-next { display: flex; flex-wrap: wrap; gap: var(--lg-s-2); align-items: stretch; max-width: 46rem; margin-top: var(--lg-s-6); }
.bk-body .bk-next__go { flex: 1 1 16rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px var(--lg-s-3); align-items: center; min-height: 56px; padding: .6em .9em; border: 3px solid #000; background: #000; color: #fff; text-decoration: none; background-image: none; transition: transform calc(var(--lg-d-1) * var(--lg-motion)) var(--lg-ease), box-shadow calc(var(--lg-d-1) * var(--lg-motion)) var(--lg-ease); }
@media (hover: hover) { .bk-body .bk-next__go:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--lg-ink-s); } }
.bk-next__k { grid-column: 1; font: 700 var(--lg-fs-1)/1.1 var(--lg-font-text); letter-spacing: .06em; text-transform: uppercase; color: var(--lg-ink-s); }
.bk-next__t { grid-column: 1; font: 800 var(--lg-fs-3)/1.25 var(--lg-font-display); letter-spacing: -0.01em; }
.bk-next__t b { margin-right: .3em; }
.bk-next__ar { grid-column: 2; grid-row: 1 / span 2; font: 800 var(--lg-fs-5)/1 var(--lg-font-display); }
.bk-next__toc { align-self: stretch; min-height: 56px; }
.bk-next--alt { display: none !important; }
.bk-body .bk-next__go:focus-visible { outline-color: #000; }
.bk-nojs [data-toc-open] { display: none !important; }
/* P1-10: chapters render when they come near the screen (auto keeps the last measured size). Not gated on
   .bk-js: off-screen chapters then never get a no-JS style, so the English bars do not fade from ink to black on first view. */
.bk-body:not(.bk-body--print) .bk-ch { content-visibility: auto; contain-intrinsic-size: auto 20000px; }
/* A chapter the plugin cut out completely (sample) leaves an empty <article> */
.bk-ch:empty { display: none; }
.bk-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.bk-trip__fitbox { display: grid; gap: var(--lg-s-4); }
.bk-say svg, .bk-sec__tools svg { width: 20px; height: 20px; flex: none; }

/* ---------- Plugin contract: modules off via <html data-lg-off="…"> (README „Plugin contract“) ---------- */
html[data-lg-off~="audio"] :is([data-say], [data-say-section], [data-wd-say], .bk-say, .bk-opt--voice) { display: none !important; }
html[data-lg-off~="diagrams"] :is(.bk-vis, .bk-intro__feats [data-mod="diagrams"]) { display: none !important; }
html[data-lg-off~="quickcheck"] .bk-check { display: none !important; }
html[data-lg-off~="kann"] .bk-kann { display: none !important; }
html[data-lg-off~="interview"] :is(.bk-iv, [data-trip-fitbox]) { display: none !important; }
html[data-lg-off~="probefahrt"] :is(#probefahrt, .bk-next--trip, .bk-intro__feats [data-mod="probefahrt"]) { display: none !important; }
html[data-lg-off~="probefahrt"] .bk-next--alt:not([hidden]) { display: grid !important; }
html[data-lg-off~="share"] .bk-trip__share { display: none !important; }
html[data-lg-off~="anrede"] :is(.bk-doc__bar .bk-seg, .bk-doc .bk-pair[data-variant]) { display: none !important; }
/* Sample reader (config "sample": true): nothing that implies the book is theirs to keep */
.bk-sample :is(.bk-end, .bk-toc__count, .bk-toc__done, [data-progress-sum], .bk-resume, .bk-foot__mem, .bk-kann__k .bk-enl) { display: none !important; }