/* Lernplattform (0.9.0, Ruhige Bühne) — auf .lr-app begrenzt; Tokens aus screen.css, Bühne und Karten aus body-atlas.css.
   Dunkle Bänder laufen seitenbreit, Inhalte stehen im 1240er-Raster mit 32px Rand. */
.lr-app {
  --lr-g: max(32px, calc((100% - 1176px) / 2));
  --lr-paper: var(--cream, #FAF9F6);
  --lr-paper-alt: var(--cream-2, #f3f1ea);
  --lr-ink: var(--soft-black, #292F2B);
  --lr-copy: var(--ink, #3a352f);
  --lr-muted: var(--muted-strong, #6a675f);
  --lr-dim: var(--muted, #7d7a72);
  --lr-rule: var(--hair, rgba(30,34,31,.10));
  --lr-accent: var(--terracotta, #b45f3e);
  --lr-accent-dark: var(--terracotta-deep, #9e4f30);
  --lr-sage: var(--sage, #a3b299);
  --lr-serif: var(--f-serif, 'Fraunces', Georgia, serif);
  --lr-sans: var(--f-sans, 'Inter', system-ui, sans-serif);
  --lr-mono: var(--f-mono, 'JetBrains Mono', ui-monospace, monospace);
  display: block; max-width: none; margin: 0; padding: 0;
  background: var(--lr-paper); color: var(--lr-ink);
  font-family: var(--lr-sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.lr-app *, .lr-app *::before, .lr-app *::after { box-sizing: border-box; }
.lr-app [hidden] { display: none !important; }
/* Grundwerte ohne Spezifität, damit die Bühnenregeln aus body-atlas.css gewinnen. */
:where(.lr-app) a { color: inherit; }
:where(.lr-app) :where(button, input, textarea) { font: inherit; }
:where(.lr-app) button { color: inherit; }
.lr-app :focus-visible { outline: 2px solid var(--lr-accent); outline-offset: 3px; }
.lr-skip { position: absolute; z-index: 20; top: 8px; left: -10000px; padding: 10px 14px; color: #fff; background: var(--soft-black, #292F2B); border-radius: 4px; }
.lr-skip:focus { left: 12px; }
.lr-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---------- Dunkles Kopfband: Eyebrow, Konto, Einstieg, Suche, Bereiche ---------- */
.lr-band { padding-inline: var(--lr-g); background: var(--soft-black); color: var(--cream); }
.lr-band :focus-visible { outline-color: var(--terracotta-on-dark); }
.lr-band--top { padding-top: 40px; }
.lr-topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; min-height: 44px; }
.lr-eyebrow { margin: 0; color: var(--terracotta-on-dark); font: 400 12px/1.5 var(--lr-mono); letter-spacing: 1.6px; text-transform: uppercase; }
.lr-account { display: flex; align-items: center; gap: 8px 16px; flex-wrap: wrap; color: var(--text-on-dark); font-size: 13px; }
.lr-account-label { display: inline-flex; align-items: center; gap: 8px; }
.lr-status-dot { width: 7px; height: 7px; flex: 0 0 7px; margin-right: -8px; background: var(--lr-sage); border-radius: 50%; }
.lr-status-dot[data-state="error"] { background: #c4694f; }
.lr-status-dot[data-state="busy"] { background: var(--ocker); }
.lr-mode-action { min-height: 44px; padding: 0; border: 0; background: transparent; color: var(--text-on-dark); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.lr-mode-action:hover { color: var(--cream); }

.lr-hero { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px 40px; padding-top: 24px; }
.lr-hero-copy { flex: 1 1 480px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.lr-hero h1 { margin: 0; color: var(--cream); font: 400 52px/1.08 var(--lr-serif); letter-spacing: -.6px; }
.lr-atlas-intro { margin: 0; color: var(--text-on-dark); font-size: 17px; }
.lr-search { position: relative; display: block; min-width: 0; color: var(--lr-muted); }
.lr-search input { width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid var(--lr-rule); border-radius: 4px; background: var(--card); color: var(--lr-ink); font-size: 14.5px; }
.lr-search input::placeholder { color: var(--dim-on-dark); }
.lr-search--hero { flex: 0 1 320px; color: var(--dim-on-dark); }
.lr-search--hero svg { position: absolute; left: 14px; top: 15px; pointer-events: none; }
.lr-search--hero input { padding-left: 40px; border-color: rgba(245,243,238,.2); background: rgba(250,249,246,.04); color: var(--cream); }
.lr-search-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 16px; }
.lr-search-results a { display: flex; flex-direction: column; gap: 4px; padding: 16px; border: 1px solid var(--hair-on-dark); border-radius: 8px; background: rgba(250,249,246,.05); color: var(--cream); text-decoration: none; }
.lr-search-results a:hover { border-color: rgba(217,140,111,.6); }
.lr-search-results strong { font: 500 17px/1.3 var(--lr-serif); }
.lr-search-results span { color: var(--text-on-dark); font-size: 13px; }
.lr-search-results p { margin: 0; color: var(--text-on-dark); font-size: 14px; }
.lr-tabs { display: flex; flex-wrap: wrap; gap: 0 32px; margin-top: 24px; border-bottom: 1px solid rgba(245,243,238,.12); }
.lr-tabs a { display: inline-flex; align-items: center; min-height: 48px; margin-bottom: -1px; padding: 12px 0; border-bottom: 2px solid transparent; color: var(--text-on-dark); font-size: 15px; text-decoration: none; transition: color .2s ease, border-color .2s ease; }
.lr-tabs a:hover { color: var(--cream); }
.lr-tabs a[aria-current="page"] { border-bottom-color: var(--terracotta-on-dark); color: var(--cream); font-weight: 500; }
.lr-app[data-view]:not([data-view="atlas"]) .lr-hero,
.lr-app[data-view]:not([data-view="atlas"]) .lr-search-results { display: none; }
/* Gruppe und Muskel tragen eigene Brotkrumen im dunklen Band; dort entfallen die Bereichs-Tabs. */
.lr-app[data-view="group"] .lr-tabs, .lr-app[data-view="muscle"] .lr-tabs { display: none; }

/* ---------- Inhaltsfläche ---------- */
.lr-content { padding: 0 0 96px; outline: none; scroll-margin-top: 72px; }
.lr-content > * { margin-inline: var(--lr-g); }
.lr-content > :first-child { margin-top: 64px; }
.lr-content > .lr-band, .lr-content > .lr-explore, .lr-content > .lr-muscle-page { margin-inline: 0; }
.lr-content > .lr-band:first-child, .lr-content > .lr-explore:first-child, .lr-content > .lr-muscle-page:first-child { margin-top: 0; }
.lr-app > #lerninhalt > #workspace > .lr-message { margin: 24px var(--lr-g) 0; }
.lr-light { padding-top: 64px; }
.lr-section { margin-top: 64px; }
.lr-section:first-child { margin-top: 0; }
.lr-kicker { display: block; margin: 0 0 12px; color: var(--lr-accent-dark); font: 400 12px/1.5 var(--lr-mono); letter-spacing: 1.6px; text-transform: uppercase; }
.lr-page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; margin-bottom: 40px; }
.lr-page-head h2, .lr-section-title h2 { margin: 0; color: var(--lr-ink); font: 400 32px/1.15 var(--lr-serif); letter-spacing: 0; }
.lr-page-head p { max-width: 60ch; margin: 8px 0 0; color: var(--lr-muted); font-size: 15px; line-height: 1.6; }
.lr-section-title { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; margin-bottom: 24px; }
.lr-section-title p { margin: 8px 0 0; color: var(--lr-muted); font-size: 15px; }
.lr-section-copy { display: flex; flex-direction: column; gap: 10px; }
.lr-section-copy p.tbl-eyebrow { margin: 0; }
.lr-atlas-catalog { display: flex; flex-direction: column; gap: 40px; }
.lr-atlas-catalog > .lr-section-title { margin-bottom: 0; }
.lr-catalog-note { margin: 0; color: var(--lr-muted); font-size: 13.5px; }
.lr-recent { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--lr-rule); color: var(--lr-muted); font-size: 13px; }
.lr-recent > div { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.lr-recent a { color: var(--lr-accent-dark); text-underline-offset: 3px; }
.lr-atlas-stage { display: block; }
.lr-body-atlas { min-height: 0; }

.lr-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; color: var(--lr-dim); font-size: 13px; }
.lr-breadcrumb a { color: var(--lr-muted); text-decoration: none; }
.lr-breadcrumb a:hover { color: var(--lr-accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.lr-band .lr-breadcrumb { margin-bottom: 32px; color: var(--dim-on-dark); }
.lr-band .lr-breadcrumb a { color: var(--text-on-dark); }
.lr-band .lr-breadcrumb a:hover { color: var(--cream); }
.lr-band .lr-breadcrumb [aria-current] { color: var(--cream); }

/* ---------- Seitenkopf für Gruppe und Video ---------- */
.lr-band--page { padding-top: 32px; padding-bottom: 64px; }
.lr-page-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px 64px; }
.lr-page-band__copy { flex: 1 1 520px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.lr-page-band__copy .tbl-lede { max-width: 520px; }
.lr-band-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding-top: 8px; color: var(--text-on-dark); font: 400 12px/1.5 var(--lr-mono); letter-spacing: .6px; }
.lr-band-meta__status { color: var(--ocker-on-dark); }
.lr-region-image { flex: 0 1 340px; display: block; width: 100%; max-width: 340px; height: auto; aspect-ratio: 1; object-fit: contain; }

/* Muskelgruppe */
.lr-section-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.lr-section-tools .lr-search { width: 220px; }
.lr-section-tools .lr-search input { min-height: 44px; }
.lr-section-tools .lr-search input::placeholder { color: var(--lr-dim); }
.lr-back { color: var(--lr-accent-dark); font: 500 14.5px/1.5 var(--lr-sans); text-decoration: none; }
.lr-back:hover { color: #7f3f26; }
.lr-group-list { margin-top: 64px; }
.lr-content > .lr-band + .lr-group-list { margin-top: 64px; }
.lr-muscle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.lr-muscle-card {
  display: flex; flex-direction: column; width: 100%; min-width: 0; padding: 0; overflow: hidden;
  border: 1px solid var(--hair-card); border-radius: 8px; background: var(--card); color: var(--lr-ink);
  text-align: left; cursor: pointer; box-shadow: 0 1px 2px rgba(30,34,31,.04);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.lr-muscle-card:hover { border-color: rgba(180,95,62,.35); box-shadow: 0 8px 24px rgba(30,34,31,.07); transform: translateY(-2px); }
.lr-card-image { position: relative; display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; background: var(--soft-black); }
.lr-card-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.lr-poster-empty { display: grid; height: 100%; place-items: center; color: var(--dim-on-dark); font: 400 11px var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-card-play { position: absolute; left: 14px; bottom: 14px; display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid rgba(245,243,238,.5); border-radius: 50%; background: rgba(31,36,33,.72); color: var(--cream); }
.lr-card-duration { position: absolute; right: 12px; bottom: 14px; padding: 3px 9px; border-radius: 999px; background: rgba(31,36,33,.82); color: var(--cream); font: 400 11px/1.4 var(--lr-mono); }
.lr-card-mark { position: absolute; top: 10px; right: 12px; color: var(--terracotta-on-dark); font-size: 16px; }
.lr-card-body { display: flex; flex-direction: column; gap: 6px; width: 100%; padding: 20px 24px 24px; }
.lr-card-name { font: 500 22px/1.25 var(--lr-serif); }
.lr-card-state { color: var(--ocker-ink); font: 400 10.5px/1.4 var(--lr-mono); letter-spacing: .6px; text-transform: uppercase; }
.lr-planned { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 40px; padding: 24px 28px; border: 1px dashed rgba(30,34,31,.2); border-radius: 8px; }
.lr-planned__name { font: 400 17px/1.3 var(--lr-serif); }
.lr-planned__state { color: var(--lr-muted); font: 400 11px/1.4 var(--lr-mono); letter-spacing: .8px; text-transform: uppercase; }

/* Videoseite */
.lr-muscle-hero { display: flex; flex-wrap: wrap; align-items: center; gap: 40px 64px; }
.lr-muscle-media { flex: 0 1 340px; width: 100%; max-width: 340px; }
.lr-muscle-player-wrap { overflow: hidden; border-radius: 8px; background: transparent; }
.lr-muscle-player { display: block; width: 100%; height: auto; aspect-ratio: 9 / 16; background: transparent; object-fit: cover; }
.lr-video-unavailable { display: flex; flex-direction: column; gap: 8px; padding: 24px; border: 1px solid var(--hair-on-dark); border-radius: 8px; background: rgba(250,249,246,.04); }
.lr-video-unavailable .lr-kicker { margin: 0; color: var(--terracotta-on-dark); }
.lr-video-unavailable p { margin: 0; color: var(--text-on-dark); font-size: 15px; }
.lr-muscle-copy { flex: 1 1 480px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.lr-muscle-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.lr-status-chip { display: inline-flex; align-items: center; padding: 5px 12px; border: 1px solid rgba(217,184,106,.45); border-radius: 999px; color: var(--ocker-light); font: 400 11px/1.4 var(--lr-mono); letter-spacing: .6px; text-transform: uppercase; }
.lr-fav { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 16px; border: 1px solid rgba(245,243,238,.28); border-radius: 4px; background: transparent; color: var(--cream); font-size: 14px; cursor: pointer; transition: background-color .2s ease, border-color .2s ease; }
.lr-fav:hover { border-color: rgba(217,140,111,.7); }
.lr-fav[aria-pressed="true"] { background: rgba(217,140,111,.16); }
.lr-fav__icon { color: var(--terracotta-on-dark); }
.lr-band .lr-status-line { min-height: 0; margin: 0; color: var(--text-on-dark); }
.lr-band .lr-status-line[data-error="true"] { color: #e8c3ae; }
.lr-band .lr-status-line:empty, .lr-self__status:empty { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.lr-band .lr-inline-action--quiet { color: var(--terracotta-on-dark); }
.lr-muscle-detail { display: flex; flex-direction: column; gap: 8px; padding-top: 16px; border-top: 1px solid rgba(245,243,238,.12); }
.lr-muscle-detail h2 { margin: 0; color: var(--text-on-dark); font: 400 12px/1.5 var(--lr-mono); letter-spacing: 1.6px; text-transform: uppercase; }
.lr-muscle-detail p { max-width: 640px; margin: 0; color: var(--text-on-dark-strong); font-size: 17px; line-height: 1.65; }
.lr-muscle-detail .lr-source { margin-top: 0; color: var(--text-on-dark); }
.lr-muscle-body { display: flex; flex-direction: column; gap: 40px; margin: 64px var(--lr-g) 0; }
.lr-muscle-sources { margin: 0; padding: 0; border: 1px solid var(--lr-rule); border-radius: 8px; background: var(--card); }
.lr-muscle-sources summary { padding: 20px 24px; font: 400 22px/1.3 var(--lr-serif); cursor: pointer; }
.lr-muscle-sources[open] summary { margin-bottom: 0; }
.lr-muscle-sources > .lr-rich-content { padding: 0 24px 24px; }
.lr-muscle-sources > .lr-source { margin: 0 24px 24px; }
.lr-self { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding: 24px 28px; border-radius: 8px; background: var(--lr-paper-alt); }
.lr-self__copy { display: flex; flex-direction: column; gap: 4px; }
.lr-self__kicker { color: var(--lr-muted); font: 400 11px/1.4 var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-self__title { margin: 0; font: 400 22px/1.3 var(--lr-serif); }
.lr-self__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.lr-self__button { min-height: 48px; min-width: 120px; padding: 10px 20px; border: 1px solid rgba(30,34,31,.2); border-radius: 4px; background: var(--lr-paper); color: var(--lr-ink); font-size: 15px; font-weight: 500; cursor: pointer; transition: background-color .2s ease, color .2s ease, border-color .2s ease; }
.lr-self__button:hover:not(:disabled) { border-color: var(--lr-ink); }
.lr-self__button[aria-pressed="true"] { border-color: var(--lr-ink); background: var(--lr-ink); color: var(--cream); }
.lr-self__button:disabled { opacity: .6; cursor: progress; }
.lr-self__status { flex-basis: 100%; margin: 0; }
.lr-muscle-pagination { display: flex; gap: 24px; }
.lr-nachbar { flex: 1 1 0; display: flex; flex-direction: column; gap: 4px; min-width: 0; padding: 20px 24px; border: 1px solid var(--lr-rule); border-radius: 8px; color: var(--lr-ink); text-decoration: none; transition: border-color .2s ease; }
.lr-nachbar:hover { border-color: rgba(180,95,62,.45); }
.lr-nachbar span { color: var(--lr-muted); font: 400 11px/1.4 var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-nachbar strong { font: 400 22px/1.3 var(--lr-serif); }
.lr-nachbar--next { align-items: flex-end; text-align: right; }
.lr-related { margin: 0; font-size: 14.5px; }
.lr-related a { color: var(--lr-accent-dark); text-underline-offset: 3px; }
.lr-related--quiet { margin-top: -24px; color: var(--lr-muted); font-size: 13.5px; }

/* ---------- Lektionen, Wiederholen, Favoriten, Vignette ---------- */
.lr-group-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.lr-group-card:not(.tbl-card) { display: flex; flex-direction: column; justify-content: flex-end; min-height: 175px; padding: 24px; border: 1px solid var(--lr-rule); border-radius: 8px; background: var(--card); text-decoration: none; }
.lr-group-card:not(.tbl-card) h3 { font: 500 22px/1.25 var(--lr-serif); }
.lr-group-card:not(.tbl-card) > span:last-child { display: flex; justify-content: space-between; margin-top: 16px; color: var(--lr-accent-dark); font-size: 13.5px; }
.lr-group-card.is-planned { background: var(--lr-paper-alt); }
.lr-lesson-list { display: grid; gap: 0; }
.lr-lesson-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 24px 8px; border-bottom: 1px solid var(--lr-rule); background: transparent; text-decoration: none; transition: background-color .2s ease; }
.lr-lesson-row:hover { background: #fffdfa; }
.lr-lesson-nr { color: var(--lr-muted); font: 400 11px var(--lr-mono); letter-spacing: .6px; }
.lr-lesson-row h3 { margin: 0; color: var(--lr-ink); font: 500 22px/1.25 var(--lr-serif); }
.lr-lesson-question { display: -webkit-box; overflow: hidden; margin-top: 4px; color: var(--lr-muted); font-size: 13.5px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }
.lr-lesson-question p { margin: 0; }
.lr-lesson-state { color: var(--lr-muted); font-size: 12px; text-align: right; }
.lr-lesson-state[data-done="true"] { color: #526747; }
.lr-inline-action { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border: 1px solid var(--lr-ink); border-radius: 4px; background: transparent; color: var(--lr-ink); font-size: 14px; text-decoration: none; cursor: pointer; transition: background-color .16s ease, color .16s ease; }
.lr-inline-action:hover:not(:disabled) { background: var(--lr-ink); color: #fff; }
.lr-inline-action--primary { border-color: var(--lr-accent); background: var(--lr-accent); color: #fff; }
.lr-inline-action--primary:hover:not(:disabled) { border-color: var(--lr-accent-dark); background: var(--lr-accent-dark); }
.lr-inline-action--quiet { border-color: transparent; color: var(--lr-accent-dark); }
.lr-inline-action:disabled { opacity: .48; cursor: not-allowed; }
.lr-action-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 24px; }
.lr-crosslinks { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.lr-crosslinks h3 { flex-basis: 100%; margin: 0 0 8px; font: 400 22px var(--lr-serif); }
.lr-panel, .lr-review-card, .lr-review-question { border: 1px solid var(--hair-card); border-radius: 8px; background: var(--card); }
.lr-panel { padding: clamp(24px, 3.3vw, 40px); }
.lr-panel h2 { color: var(--lr-ink); font: 400 clamp(26px, 4vw, 32px)/1.15 var(--lr-serif); }
.lr-panel h3 { color: var(--lr-ink); font: 400 22px/1.25 var(--lr-serif); }
.lr-panel p { color: var(--lr-copy); }
.lr-panel .lr-panel-lede { margin: 12px 0 24px; color: var(--lr-muted); }
.lr-mini-actions { display: flex; justify-content: flex-end; gap: 8px; }
.lr-star { width: 44px; height: 44px; display: inline-grid; place-items: center; border: 1px solid var(--lr-rule); border-radius: 4px; background: #fff; color: var(--lr-accent-dark); font-size: 18px; cursor: pointer; }
.lr-status-line { min-height: 20px; margin-top: 8px; color: var(--lr-muted); font-size: 12px; }
.lr-status-line[data-error="true"] { color: #943f2c; }
.lr-message, .lr-empty, .lr-error { padding: 16px 20px; border-left: 3px solid var(--lr-sage); background: var(--lr-paper-alt); color: var(--lr-copy); font-size: 14px; }
.lr-empty.tbl-leer { border: 1px dashed rgba(30,34,31,.2); border-radius: 8px; background: transparent; padding: 28px; font-size: 15px; color: var(--lr-muted); }
.lr-error { border-color: var(--lr-accent); background: #fbf2ee; }
.lr-highlight { padding: 16px 20px; border-left: 3px solid var(--lr-sage); background: var(--lr-paper-alt); }
.lr-highlight h3 { margin-bottom: 8px; font: 400 11px var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-highlight .lr-rich-content { font-size: 15px; }
.lr-preview-badge, .lr-unsaved-note, .lr-mode-notice { color: var(--lr-muted); font-size: 12px; }
.lr-review-progress { display: flex; align-items: center; gap: 12px; color: var(--lr-muted); font: 400 11px var(--lr-mono); }
.lr-review-progress span:first-child { color: var(--lr-accent-dark); }
.lr-review-question { margin-top: 24px; padding: clamp(24px, 4.5vw, 40px); }
.lr-review-question h2 { max-width: 38ch; margin-top: 12px; color: var(--lr-ink); font: 400 clamp(26px, 4vw, 32px)/1.2 var(--lr-serif); }
.lr-review-prompt { max-width: 62ch; margin-top: 8px; color: var(--lr-ink); font-size: 17px; line-height: 1.6; }
.lr-review-prompt > * + * { margin-top: .75em; }
.lr-answer { margin-top: 24px; padding: 20px; border-left: 3px solid var(--lr-sage); background: var(--lr-paper-alt); }
.lr-answer-label { margin-bottom: 8px; color: var(--lr-muted); font: 400 11px var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-review-card { padding: 24px; }
.lr-review-card + .lr-review-card { margin-top: 8px; }
.lr-review-card .lr-question-text { margin: 12px 0; color: var(--lr-ink); font: 400 22px/1.32 var(--lr-serif); }
.lr-case { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(230px, .9fr); gap: clamp(24px, 4vw, 64px); padding: clamp(24px, 4vw, 40px); border-radius: 8px; background: var(--lr-ink); color: var(--lr-paper); }
.lr-case h2 { color: #fff; font: 400 clamp(26px, 4vw, 32px)/1.15 var(--lr-serif); }
.lr-case .lr-kicker { color: var(--terracotta-on-dark); }
.lr-case .lr-rich-content { margin-top: 16px; color: var(--text-on-dark-strong); }
.lr-case .lr-rich-content h2, .lr-case .lr-rich-content h3, .lr-case .lr-rich-content strong { color: #fff; }
.lr-case .lr-source, .lr-case .lr-unsaved-note { color: var(--text-on-dark); }
.lr-case textarea { width: 100%; min-height: 145px; resize: vertical; margin-top: 12px; padding: 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 4px; background: rgba(255,255,255,.05); color: #fff; }
.lr-case textarea::placeholder { color: var(--text-on-dark); }
.lr-case .lr-inline-action { border-color: #d6d3ca; color: #fff; }
.lr-case .lr-inline-action:hover { background: #fff; color: var(--lr-ink); }
.lr-case-answer { margin-top: 16px; padding: 16px; border-left: 3px solid var(--lr-sage); background: rgba(255,255,255,.08); }
.lr-progress { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 4px 12px; max-width: 320px; margin: 0 var(--lr-g) 40px; }
.lr-progress-label { color: var(--lr-muted); font-size: 12px; }
.lr-progress strong { font: 500 17px var(--lr-serif); }
.lr-progress-track { grid-column: 1 / -1; height: 4px; overflow: hidden; border-radius: 3px; background: #e7e4dc; }
.lr-progress-track span { display: block; width: 0; height: 100%; background: var(--lr-accent); transition: width .25s ease; }
.lr-progress small { grid-column: 1 / -1; color: var(--lr-dim); font-size: 11px; line-height: 1.45; }
.lr-gate { max-width: 710px; margin: 64px max(32px, calc((100% - 710px) / 2)) 96px; padding: clamp(24px, 5vw, 48px); border: 1px solid var(--hair-card); border-radius: 8px; background: var(--card); }
.lr-gate h1 { margin: 0; color: var(--lr-ink); font: 400 clamp(32px, 6vw, 44px)/1.1 var(--lr-serif); letter-spacing: -.4px; }
.lr-gate-copy p { max-width: 53ch; margin-top: 16px; color: var(--lr-muted); }
.lr-gate-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.lr-notice { margin-top: 16px; color: var(--lr-muted); font-size: 12px; }
.lr-footer { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; margin: 0 var(--lr-g); padding: 24px 0 40px; border-top: 1px solid var(--lr-rule); color: var(--lr-muted); font-size: 12px; }
.lr-footer a { color: var(--lr-accent-dark); text-underline-offset: 3px; }

/* ---------- Quellen und Lerninhalte (wörtlich übernommenes HTML) ---------- */
.lr-rich-content { min-width: 0; color: var(--lr-copy); font-size: 16px; line-height: 1.75; overflow-wrap: anywhere; }
.lr-rich-content > * + * { margin-top: 1em; }
.lr-rich-content h2, .lr-rich-content h3, .lr-rich-content h4 { color: var(--lr-ink); font-family: var(--lr-serif); font-weight: 500; line-height: 1.2; }
.lr-rich-content ul, .lr-rich-content ol { padding-left: 1.3em; }
.lr-rich-content a { color: var(--lr-accent-dark); text-underline-offset: 3px; }
.lr-rich-content img, .lr-rich-content video, .lr-rich-content svg { display: block; max-width: 100%; height: auto; margin: 16px auto; }
.lr-rich-content figure { max-width: 100%; margin: 24px 0; }
.lr-rich-content figcaption { color: var(--lr-muted); font-size: 12px; }
.lr-rich-content .tier { display: inline-block; padding: 1px 6px; border-radius: 3px; font: 400 12px/1.5 var(--lr-sans); white-space: nowrap; color: var(--t-exp); background: var(--t-exp-bg); }
.lr-rich-content .tier.t-etab { color: var(--t-etab); background: var(--t-etab-bg); }
.lr-rich-content .tier.t-konz { color: var(--t-konz); background: var(--t-konz-bg); }
.lr-rich-content .tier.t-hypo { color: var(--t-hypo); background: var(--t-hypo-bg); }
.lr-rich-content .tier.t-wider { color: var(--t-wider); background: var(--t-wider-bg); }
.lr-rich-content .quiz { margin: 24px 0; padding: 16px 20px; border-left: 3px solid var(--lr-sage); background: var(--lr-paper); }
.lr-rich-content .quiz-h { font-weight: 600; }
.lr-rich-content .qa + .qa { margin-top: 20px; }
.lr-rich-content .qa .a { margin-top: 12px; }
.lr-table-scroll { width: 100%; overflow-x: auto; margin: 16px 0; }
.lr-table-scroll table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 14.5px; line-height: 1.6; }
.lr-table-scroll th, .lr-table-scroll td { padding: 12px; text-align: left; vertical-align: top; overflow-wrap: normal; }
.lr-table-scroll th { padding-block: 10px; border-bottom: 1px solid rgba(30,34,31,.14); background: transparent; color: var(--lr-muted); font: 400 11px/1.4 var(--lr-mono); letter-spacing: 1px; text-transform: uppercase; }
.lr-table-scroll td { border-bottom: 1px solid var(--hair-soft); }
.lr-table-scroll tr:last-child td { border-bottom: 0; }
.lr-table-scroll b, .lr-table-scroll strong { font-weight: 600; }
.lr-table-scroll th:nth-child(-n+2), .lr-table-scroll td:nth-child(-n+2) { min-width: 85px; }
.lr-source-details { margin: 24px 0; padding: 16px 20px; border: 1px solid var(--lr-rule); border-radius: 8px; background: var(--card); }
.lr-source-details summary { cursor: pointer; font-weight: 600; }
.lr-source-details[open] summary { margin-bottom: 16px; }
.lr-source { display: inline-flex; margin-top: 16px; color: var(--lr-muted); font-size: 12px; text-underline-offset: 3px; }

/* ---------- Schmal ---------- */
@media (max-width: 900px) {
  .lr-muscle-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .lr-band--top { padding-top: 24px; }
  .lr-hero h1 { font-size: 32px; }
  .lr-search--hero { flex-basis: 100%; }
  .lr-search-results { grid-template-columns: 1fr; }
  .lr-tabs { gap: 0 24px; }
  .lr-content > :first-child, .lr-light { padding-top: 40px; }
  .lr-content > :first-child:not(.lr-light) { margin-top: 40px; padding-top: 0; }
  .lr-content > .lr-band:first-child, .lr-content > .lr-explore:first-child, .lr-content > .lr-muscle-page:first-child { margin-top: 0; }
  .lr-page-head h2, .lr-section-title h2 { font-size: 26px; }
  .lr-band--page { padding-top: 24px; padding-bottom: 40px; }
  .lr-region-image { max-width: 220px; margin-inline: auto; }
  .lr-section-tools { width: 100%; }
  .lr-section-tools .lr-search { width: 100%; }
  .lr-muscle-grid { gap: 16px; }
  .lr-card-body { padding: 14px 14px 16px; }
  .lr-card-name { font-size: 17px; }
  .lr-card-state { font-size: 9.5px; letter-spacing: .4px; }
  .lr-card-play { left: 10px; bottom: 10px; width: 34px; height: 34px; }
  .lr-card-duration { right: 8px; bottom: 12px; }
  .lr-muscle-media { flex-basis: 100%; max-width: 300px; margin-inline: auto; }
  .lr-muscle-body { margin-top: 40px; }
  .lr-muscle-pagination { flex-direction: column; }
  .lr-self { padding: 24px 20px; }
  .lr-self__button { flex: 1 1 0; min-width: 0; }
  .lr-self__actions { width: 100%; }
  .lr-lesson-row { grid-template-columns: 36px minmax(0, 1fr); gap: 12px; padding: 20px 4px; }
  .lr-lesson-row h3 { font-size: 17px; }
  .lr-lesson-state { grid-column: 2; text-align: left; }
  .lr-case { grid-template-columns: 1fr; }
  .lr-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  .lr-app *, .lr-app *::before, .lr-app *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .lr-muscle-card:hover { transform: none; }
}