/* ============================================================
   KI-Kurs „Lernen durch Fragen" — gemeinsames Stylesheet
   Palette: „Ethereal Luminescence" (aus DESIGN.md)
   Tiefes Teal als Basis, Sonnenuntergangs-Orange + Gold als Akzente.
   ============================================================ */

/* ---- Farbtokens & Maße als CSS-Variablen ----
   So sind alle Farben an einer Stelle definiert und leicht änderbar. */
:root {
  --bg:            #001717;   /* Grundhintergrund */
  --surface:       #002425;   /* Karten-Grundfläche */
  --surface-2:     #013031;   /* etwas hellere Fläche */
  --surface-3:     #103b3c;   /* hellste Fläche / Hover */
  --border:        rgba(192, 234, 235, 0.15); /* zarte „Lichtkante" */
  --border-strong: rgba(192, 234, 235, 0.30);

  --text:          #e3f6f6;   /* Haupttext (luminöses Creme-Teal) */
  --text-muted:    #a9c4c4;   /* Nebentext */
  --ink:           #ffffff;   /* helle Schrift auf dunkler FLÄCHE (Tag-Modus: dunkel).
                                 NICHT für Schrift auf festen Akzent-Füllungen — dort #fff. */

  --teal:          #96d1d3;   /* Akzent 1 — „Mitnehmen" */
  --teal-deep:     #004b4d;
  --orange:        #ffb59d;   /* Akzent 2 — „Deine eigene Frage" */
  --orange-deep:   #b83900;
  --gold:          #fcbb37;   /* Akzent 3 — NotebookLM */
  --gold-deep:     #593e00;
  --on-accent:     #00211f;   /* dunkler Text auf hellem Akzent */

  /* Callout-Wichtigkeitsleiter (leise -> laut): blau/grün/gold/orange/rot + violett = Kurs-KI.
     *-deep = dunkler Text AUF dem hellen Akzentbalken (Kontrast >= 7:1 im dunklen Theme). */
  --blue:          #7fb6e6;   /* Callout „Beispiel / Gut zu wissen" */
  --blue-deep:     #06243f;
  --green:         #9bd17a;   /* Callout „Tipp" */
  --green-deep:    #143807;
  --violet:        #c3b3f2;   /* Kurs-KI (Frag-die-KI, ki-Callout, NotebookLM) */
  --violet-deep:   #2a1a5e;
  --red:           #e24b4a;   /* „Sehr wichtig" — Rahmen/Akzent */
  --red-bar:       #b3261e;   /* „Sehr wichtig" — Balken, weißer Text (~6.5:1) */

  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1240px;
  --sidebar:   280px;
  --sidebar-zu: 64px;            /* eingeklappte Breite (Desktop) */
  --sidebar-akt: var(--sidebar); /* aktive Breite — .is-collapsed schaltet auf --sidebar-zu */
  --chat-spur: 50px;             /* rechte Reserve, damit der KI-Coach-Tab den Scrollbalken nicht verdeckt */
  --topbar-h:  66px;

  --font-head: "Playfair Display", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;

  /* Vom Nutzer wählbare Darstellungsgröße (Einstellungen-Menü, app.js).
     Default 1.1 = Grundschrift gegenüber dem Ur-Zustand um ~1–2 Punkte
     angehoben. Wird per JS auf <html> überschrieben (localStorage). */
  --font-scale: 1.1;
  /* ECHTE Fensterhöhe in gezoomten CSS-Pixeln: `zoom` auf <html> skaliert dvh/vh
     NICHT mit — 100dvh wäre um den Zoom-Faktor zu hoch (Design-Review A4:
     Seitenleiste/Kapitelfenster ragten unten aus dem Fenster). Immer --vh-voll
     statt 100dvh/100vh für Layout-Höhen verwenden. */
  --vh-voll: calc(100dvh / var(--font-scale));

  /* Prompt-Design (Design-Review A7): Prompts sind IMMER weisse Kaesten mit
     schwarzer Schrift und dunkelblauem Rahmen + Label — sofort erkennbar. */
  --prompt-flaeche: #ffffff;
  --prompt-tinte: #14181d;
  --prompt-rahmen: #2f5db3;
  --prompt-blau-tief: #1d3f7a;
  --prompt-kopf: #e9effb;
  /* Dunkler Schrift-Halo fuer Text, der direkt auf dem Seiten-Hintergrundbild liegt
     (Kontrast-Pruefskript A12: ohne Halo faellt Text ueber hellen Bildstellen durch). */
  --text-halo: 0 1px 3px rgba(0,16,16,.9), 0 0 12px rgba(0,16,16,.75);

  --page-bg-image: url("bg07.png");
  --course-bg-image: url("bg14-flip-y.png");
}

/* ============================================================
   TAG-MODUS (Einstellungen → Modus ☀️) — Token-Override.
   Grundflächen hell, Lese-Schrift dunkel (--ink kippt mit).
   Akzent-Balken/Chips behalten ihre Farben — dort steht #fff
   wörtlich im CSS und bleibt korrekt weiß.
============================================================ */
html[data-theme="hell"] {
  --bg:            #eef4f3;
  --surface:       #ffffff;
  --surface-2:     #f1f6f6;
  --surface-3:     #e2eded;
  --border:        rgba(0, 70, 70, 0.18);
  --border-strong: rgba(0, 70, 70, 0.36);
  --text:          #16302e;
  --text-muted:    #4a6663;
  --ink:           #14302e;
  /* Akzente, die auch als SCHRIFT auf Flächen dienen, brauchen im Hellen mehr Tiefe */
  --teal:          #0e6b6e;
  --orange:        #b84a14;
  --gold:          #8a6100;
  --blue:          #1d5d96;
  --green:         #2f6b10;
  --violet:        #5b3fb8;
  --text-halo: none;
  --page-bg-image: none;
  --course-bg-image: none;
}
html[data-theme="hell"] body { background: var(--bg); }
html[data-theme="hell"] body::before, html[data-theme="hell"] body::after { display: none; }
html[data-theme="hell"] .glass {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 2px 14px rgba(10, 60, 58, 0.08);
}
/* Kopfbalken-Farben im Hellen: vertiefte Akzente brauchen helle Balken-Schrift,
   sonst dunkel-auf-dunkel (z. B. callout-head background var(--blue) + --blue-deep). */
html[data-theme="hell"] .callout--info > .callout-head,
html[data-theme="hell"] .callout--tipp > .callout-head,
html[data-theme="hell"] .callout--ki > .callout-head,
html[data-theme="hell"] .step-card-head h4,
html[data-theme="hell"] .ask-ki-bar .ask-ki-tag { color: #fff; }

* { box-sizing: border-box; }

/* `zoom` skaliert wie der Browser-Zoom (inkl. korrekter Viewport-Einheiten). */
html { scroll-behavior: smooth; zoom: var(--font-scale); }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  /* Sanfter Teal→Orange-Verlauf als atmosphärischer Untergrund */
  background-image:
    radial-gradient(900px 500px at 80% -10%, rgba(255,181,157,0.10), transparent 60%),
    radial-gradient(800px 600px at 0% 110%, rgba(150,209,211,0.10), transparent 55%);
  background-attachment: fixed;
}
body.login-page { --page-bg-image: url("bg18.png"); }
body.course-page { --page-bg-image: var(--course-bg-image); overflow: hidden; }

/* Seitenweites, festes Hintergrundbild (bleibt beim Scrollen stehen) */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2;
  background: var(--page-bg-image) center / cover no-repeat;
}
/* dunkler Schleier darüber, damit Texte/Karten lesbar bleiben */
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(0,23,23,.28), rgba(0,23,23,.48));
}

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.2; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Glas-Karten ---- */
.glass {
  background: rgba(0, 36, 37, 0.66);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.45);
}

/* ============================================================
   Login-Seite
   ============================================================ */
/* Video + Karte NEBENEINANDER (bricht auf schmalen Fenstern um) — vorher stapelten
   sie sich übereinander und die Seite musste auf jedem Browser scrollen. */
.login-page { min-height: var(--vh-voll); display: flex; flex-direction: row; flex-wrap: wrap;
  align-items: center; align-content: center; justify-content: center; gap: 26px; padding: 24px; }
/* A16: EIN zentraler Kasten — Branding, Kurstitel, eingebettetes Video, Formular. */
.login-card { width: 100%; max-width: 400px; padding: 20px 24px 18px; text-align: center; }
.login-kurstitel { font-family: var(--font-head); font-size: 26px; margin: 2px 0 12px;
  line-height: 1.1; background: linear-gradient(180deg, #ffe9b0 8%, var(--gold) 55%, var(--orange-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-card .login-video { max-width: 100%; padding: 0; margin: 0 0 14px; background: transparent;
  border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.login-card h1 { font-size: 17px; margin: 2px 0 4px; }
.login-card .brand { justify-content: center; margin-bottom: 6px; }
.login-card .brand-logo { width: 28px; height: 28px; }
.login-card .brand-text strong { font-size: 16px; }
.login-card .brand-text small { font-size: 10.5px; }
.login-card h1 { font-size: 20px; color: var(--ink); margin: 2px 0 4px; }
.login-card .sub { color: var(--text-muted); margin: 0 0 14px; font-size: 13px; line-height: 1.45; }
.login-card form { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.login-card label { font-size: 12.5px; color: var(--text-muted); display: flex; flex-direction: column; gap: 5px; font-weight: 600; }
.login-card input { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; color: var(--text); font: inherit; font-size: 14.5px; }
.login-card input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(252,187,55,.18); }
.login-card .password-field { position: relative; display: block; }
.login-card .password-field input { width: 100%; padding-right: 48px; }
.login-card .password-toggle {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 34px; height: 34px; border-radius: 999px; border: 1px solid var(--border);
  background: rgba(0,23,23,.32); color: var(--text-muted); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.login-card .password-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.login-card .password-toggle .eye-closed { display: none; }
.login-card .password-toggle.is-visible .eye-open { display: none; }
.login-card .password-toggle.is-visible .eye-closed { display: block; }
.login-card .password-toggle:hover,
.login-card .password-toggle:focus-visible { color: var(--text); border-color: var(--border-strong); outline: none; }
.login-card input.input-error {
  color: var(--orange); border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,181,157,.16);
}
.login-card input.input-error::placeholder { color: var(--orange); opacity: 1; }
.login-card .btn { margin-top: 6px; justify-content: center; width: 100%; }
.login-card .err { color: var(--orange); font-size: 13px; margin: 4px 0 0; text-align: center; }
.login-card .pw-match { color: var(--orange); font-size: 12.5px; margin: 4px 0 0; }
.login-card .ok-msg { color: var(--teal); font-size: 13px; margin: 4px 0 0; text-align: center; }
.login-card .hint { color: var(--text-muted); font-size: 12px; margin: 11px 0 0; line-height: 1.4; }
.login-card .hint + .hint { margin-top: 4px; }
.login-card .hint.forgot-row { margin: 8px 0 0; text-align: right; }
.login-card label .opt { color: var(--text-muted); font-weight: 400; }
.login-card .legal-consents {
  display: flex; flex-direction: column; gap: 8px; padding: 10px 0 2px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.login-card label.legal-check {
  flex-direction: row; align-items: flex-start; gap: 9px; color: var(--text-muted);
  font-size: 12px; line-height: 1.45; font-weight: 500;
}
.login-card label.legal-check input {
  width: 16px; height: 16px; min-width: 16px; margin: 2px 0 0; padding: 0;
  accent-color: var(--gold);
}
.login-card label.legal-check a { color: var(--gold); text-decoration: underline; text-underline-offset: 2px; }
.legal-page {
  min-height: var(--vh-voll); padding: 28px 18px; background: var(--bg); color: var(--text);
}
.legal-doc {
  width: min(860px, 100%); margin: 0 auto; padding: 28px; text-align: left;
}
.legal-doc .brand { justify-content: flex-start; margin-bottom: 20px; }
.legal-doc h1 { margin: 0 0 6px; color: var(--ink); font-size: 30px; line-height: 1.15; }
.legal-doc .legal-meta { margin: 0 0 22px; color: var(--text-muted); font-size: 13px; }
.legal-doc h2 { margin: 24px 0 8px; color: var(--ink); font-size: 18px; line-height: 1.25; }
.legal-doc p,
.legal-doc li { color: var(--text-muted); font-size: 14.5px; line-height: 1.65; }
.legal-doc ul { padding-left: 20px; }
.legal-doc a { color: var(--gold); text-decoration: underline; text-underline-offset: 2px; }
.legal-doc .legal-back { margin-top: 26px; }
.mobile-app-hint[hidden] { display: none !important; }
.mobile-app-hint { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 20px; }
.mobile-app-hint__backdrop { position: absolute; inset: 0; background: rgba(0,18,18,.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.mobile-app-hint__box { position: relative; z-index: 1; width: min(430px, 100%); padding: 26px 24px; text-align: center; }
.mobile-app-hint__eyebrow { display: inline-block; margin-bottom: 10px; color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.mobile-app-hint__box h2 { margin: 0 0 10px; color: #fff; font-size: 24px; line-height: 1.2; }
.mobile-app-hint__box p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.55; }
.mobile-app-hint__note { margin-top: 16px; padding: 12px 14px; border: 1px solid rgba(252,187,55,.28); border-left: 3px solid var(--gold); border-radius: 8px; background: rgba(252,187,55,.1); text-align: left; }
.mobile-app-hint__note strong { display: block; margin-bottom: 4px; color: var(--gold); font-size: 13px; }
.mobile-app-hint__note span { display: block; color: var(--text-muted); font-size: 13.5px; line-height: 1.45; }
.mobile-app-hint__closing { margin-top: 14px !important; }
.mobile-app-hint__actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.mobile-app-hint__actions .btn { width: 100%; justify-content: center; }
.pw-rules { list-style: none; margin: 2px 0 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.pw-rules li { position: relative; padding-left: 20px; font-size: 12.5px; color: var(--text-muted); }
.pw-rules li::before {
  content: "○"; position: absolute; left: 2px; top: -1px; color: var(--text-muted); font-size: 12px;
}
.pw-rules li.ok { color: var(--teal); }
.pw-rules li.ok::before { content: "✓"; color: var(--teal); }
.video-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
/* Video klein, Vergrößern-Knopf öffnet die große Mittel-Ansicht (A1/A16). */
.login-video { width: 100%; max-width: 340px; padding: 6px; }
.login-video .video-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 4px 4px 8px; }
.login-video .video-bar-label { color: var(--text-muted); font-size: 11.5px; }
.video-zoom { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: rgba(255,255,255,.06); color: var(--text);
  font: inherit; font-size: 12px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.video-zoom:hover, .video-zoom:focus-visible { border-color: var(--border-strong); background: rgba(255,255,255,.11); outline: none; }
.video-zoom svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.video-backdrop { position: fixed; inset: 0; z-index: 390; background: rgba(0,18,18,.78);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.video-backdrop[hidden] { display: none; }
.login-video.is-expanded { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%);
  z-index: 400; width: min(92vw, 960px); max-width: none; margin: 0;
  background: rgba(0, 30, 31, .96); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px; }

/* ============================================================
   Kopfzeile (globale Navigation)
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 20px;
  padding: 14px 24px;
  background: rgba(0, 18, 18, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
/* Hellmodus: heller, leicht durchscheinender Kopf — sonst dunkle Marken-/Navi-Schrift auf dunklem Balken. */
html[data-theme="hell"] .topbar { background: rgba(243, 250, 249, .82); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-logo { width: 36px; height: 36px; object-fit: contain; flex: 0 0 auto;
  filter: drop-shadow(0 0 10px rgba(255,181,157,.25)); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: var(--text); letter-spacing: .3px; }
.brand-text small { font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: #ffc62b; margin-top: 2px; text-shadow: 0 0 10px rgba(255,198,43,.25); }
.topnav { display: flex; align-items: center; gap: 18px; margin-left: 8px; min-width: 0; }
.topnav a { color: var(--text-muted); font-size: 15px; }
.topnav a:hover, .topnav a.active { color: var(--text); text-decoration: none; }
.topbar .spacer { flex: 1; }

/* Kopf-Navigation: "Start"-Aufklappmenü + Modul-Liste (additiv) */
.topnav-menu { position: relative; }
.topnav-menu > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
  color: var(--text-muted); font-size: 15px;
}
.topnav-menu > summary::-webkit-details-marker { display: none; }
.topnav-menu > summary:hover { color: var(--text); }
.topnav-menu > summary .chev { font-size: 11px; transition: transform .18s; }
.topnav-menu[open] > summary { color: var(--text); }
.topnav-menu[open] > summary .chev { transform: rotate(180deg); }
.topnav-dropdown {
  position: absolute; top: calc(100% + 10px); left: 0; z-index: 60;
  min-width: 184px; display: flex; flex-direction: column; gap: 2px;
  padding: 8px; border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.topnav-dropdown a {
  display: block; padding: 8px 12px; border-radius: 7px;
  color: var(--text-muted); font-size: 14px;
}
.topnav-dropdown a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.topnav-dropdown a.active { color: var(--teal); }
/* Modul-Block im Aufklappmenü (v.a. mobil sichtbar). */
.topnav-dd-mods { margin: 4px 0; padding: 4px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
/* Auf Desktop stehen die Module als Pills oben -> im Menü ausgeblendet. */
@media (min-width: 901px) { .topnav-dd-mods { display: none; } }
/* Modul-Navigation als EIN zusammenhängender, unterteilter Balken (Segmented) statt
   loser Kreise — feiner und passt zum Menü. Design-System §3 (.seg): Haarlinien-Trenner,
   aktives Feld = Gold-Tint. */
.topnav-mods { display: inline-flex; align-items: center; gap: 9px; min-width: 0; }
.topnav-mods-label {
  color: var(--text-muted); font-size: 10.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; flex: 0 0 auto;
}
/* Kapsel: bei sehr engem Fenster/großer Schrift sanft horizontal scrollbar statt
   die Kopfzeile zu sprengen (Scrollbalken ausgeblendet). */
.topnav-bar {
  display: inline-flex; align-items: stretch; min-width: 0; max-width: 100%;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface);
  overflow-x: auto; overflow-y: hidden; scrollbar-width: none;
}
.topnav-bar::-webkit-scrollbar { display: none; }
.topnav-mod {
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
  min-width: 32px; padding: 5px 11px; border: 0; border-radius: 0;
  color: var(--text-muted); font-size: 13px; font-weight: 600; line-height: 1;
}
.topnav-mod + .topnav-mod { border-left: 1px solid var(--border); }
.topnav-mod:hover { color: var(--text); background: rgba(255,255,255,.04); text-decoration: none; }
.topnav-mod.active { color: var(--gold); background: rgba(252,187,55,.14); }
/* Fokus innenliegend (outline-offset negativ), sonst von overflow der Kapsel beschnitten. */
.topnav-mod:focus-visible { outline: 2px solid var(--teal); outline-offset: -2px; }

/* Mini-Fortschritt + Reset in der Kopfzeile */
.topprogress { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
.topprogress .bar { width: 120px; }
.btn-ghost {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 18px; }

/* Immer sichtbarer „KI Coach"-Knopf in der Kopfzeile */
.btn-coach { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 8px 15px; border-radius: 10px; font: inherit; font-weight: 700; font-size: 13.5px;
  color: var(--on-accent); text-decoration: none; border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, var(--gold), var(--orange-deep));
  box-shadow: 0 1px 2px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.2);
  transition: filter .15s; }
.btn-coach:hover { text-decoration: none; filter: brightness(1.07); }
.btn-notebook {
  display: inline-flex; align-items: center; white-space: nowrap;
  padding: 8px 14px; border-radius: 999px; font: inherit; font-weight: 800; font-size: 13px;
  color: var(--teal); text-decoration: none; border: 1px solid rgba(150,209,211,.38);
  background: rgba(150,209,211,.11);
}
.btn-notebook:hover { color: var(--ink); border-color: rgba(150,209,211,.65); text-decoration: none; }

/* NotebookLM Hover-Menü (eigener Link) */
.notebook-menu { position: relative; display: inline-flex; }
.notebook-dropdown {
  position: absolute; top: 100%; right: 0; margin-top: 8px;
  width: 290px; padding: 16px; box-sizing: border-box;
  background: rgba(14,26,38,.97); border: 1px solid rgba(150,209,211,.30);
  border-radius: 14px; box-shadow: 0 18px 40px rgba(0,0,0,.45);
  z-index: 120; color: #eaf2f4; text-align: left;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
/* unsichtbare Brücke, damit das Menü beim Rübergehen nicht zuklappt */
.notebook-dropdown::before { content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 12px; }
.notebook-menu:hover .notebook-dropdown,
.notebook-menu:focus-within .notebook-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.notebook-dropdown .nb-title { display: block; font-size: 13px; font-weight: 800; color: #eaf2f4; }
.notebook-dropdown .nb-hint { margin: 6px 0 10px; font-size: 12px; line-height: 1.4; color: rgba(234,242,244,.72); }
.notebook-dropdown .nb-input {
  width: 100%; box-sizing: border-box; padding: 9px 11px; font: inherit; font-size: 13px;
  color: #eaf2f4; background: rgba(255,255,255,.06);
  border: 1px solid rgba(150,209,211,.40); border-radius: 9px;
}
.notebook-dropdown .nb-input:focus { outline: none; border-color: rgba(150,209,211,.85); background: rgba(255,255,255,.10); }
.notebook-dropdown .nb-actions { display: flex; gap: 8px; margin-top: 10px; }
.notebook-dropdown .nb-actions button {
  flex: 1; padding: 8px 10px; font: inherit; font-weight: 700; font-size: 12px;
  border-radius: 999px; cursor: pointer; border: 1px solid rgba(150,209,211,.40);
}
.notebook-dropdown .nb-save { color: #08151f; background: var(--teal, #96d1d3); border-color: transparent; }
.notebook-dropdown .nb-save:hover { filter: brightness(1.08); }
.notebook-dropdown .nb-reset { color: #eaf2f4; background: transparent; }
.notebook-dropdown .nb-reset:hover { background: rgba(255,255,255,.08); }
.notebook-dropdown .nb-status { display: block; margin-top: 9px; font-size: 12px; min-height: 1em; color: #8fe0b5; }
.notebook-dropdown .nb-status.err { color: #f3a9a0; }

/* Einstellungen — Header-Button (⚙) + Klick-Popover (Schriftgröße) */
.settings-menu { position: relative; display: inline-flex; }
.btn-settings {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap;
  padding: 8px 12px; border-radius: 999px; font: inherit; font-weight: 800; font-size: 13px; line-height: 1;
  color: var(--text-muted); cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2);
}
.btn-settings:hover { color: var(--ink); border-color: var(--border-strong); }
.btn-settings .ic { font-size: 15px; line-height: 1; }
.settings-popover {
  position: absolute; top: 100%; right: 0; margin-top: 8px;
  width: 280px; padding: 16px; box-sizing: border-box;
  max-height: min(560px, calc(100dvh - 90px)); overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 14px; box-shadow: 0 18px 40px rgba(0,0,0,.45);
  z-index: 120; color: var(--text); text-align: left;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.settings-menu.open .settings-popover { opacity: 1; visibility: visible; transform: translateY(0); }
.settings-popover .settings-title { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.settings-popover .settings-hint { margin: 0 0 12px; font-size: 12px; line-height: 1.4; color: var(--text-muted); }
.settings-seg {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px;
}
.settings-seg .seg-btn {
  min-height: 40px; padding: 8px 6px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text-muted); font: inherit; font-weight: 700; cursor: pointer;
  transition: background .16s, color .16s, border-color .16s;
}
.settings-seg .seg-btn:hover { color: var(--text); border-color: var(--border-strong); }
.settings-seg .seg-btn.active { background: rgba(252,187,55,.14); color: var(--gold); border-color: rgba(252,187,55,.5); }
.settings-seg .seg-btn:nth-child(1) { font-size: 12px; }
.settings-seg .seg-btn:nth-child(2) { font-size: 13px; }
.settings-seg .seg-btn:nth-child(3) { font-size: 14.5px; }
.settings-seg .seg-btn:nth-child(4) { font-size: 16px; }
/* Modus-Umschalter (🌙/☀️): Symbole groß genug, Abstand zur Schriftgrößen-Gruppe */
.settings-popover .settings-title + .settings-seg { margin-bottom: 14px; }
.settings-seg .seg-btn[data-theme-wahl] { font-size: 18px; }
/* Gruppen-Abstände + Kontingent-Block im Einstellungs-Menü */
.settings-popover .settings-title { margin-top: 12px; }
.settings-popover .settings-title:first-child { margin-top: 0; }
.settings-quota { margin-bottom: 4px; }
.settings-konto { margin-bottom: 4px; }

/* Konto-Bereich der Einstellungen (Kurs zurücksetzen / Passwort / Account) */
.settings-konto { display: grid; gap: 8px; }
.settings-action {
  width: 100%; min-height: 38px; padding: 8px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font: inherit; font-size: 13px; font-weight: 700;
  cursor: pointer; text-align: left;
}
.settings-action:hover { border-color: var(--border-strong); }
.settings-action-go { background: var(--teal); color: var(--on-accent); text-align: center; }
.settings-action-danger { background: rgba(226,75,74,.16); border-color: rgba(226,75,74,.55); color: #ffb4b3; text-align: center; }
.settings-action-danger:hover { background: var(--red-bar); color: #fff; border-color: var(--red-bar); }
.settings-fold { border: 1px solid var(--border); border-radius: 10px; padding: 0; }
.settings-fold > summary {
  list-style: none; cursor: pointer; padding: 9px 10px; font-size: 13px; font-weight: 700; color: var(--text);
}
.settings-fold > summary::-webkit-details-marker { display: none; }
.settings-fold > summary::before { content: "▸ "; color: var(--teal); }
.settings-fold[open] > summary::before { content: "▾ "; }
.settings-fold-danger > summary { color: #ffb4b3; }
.settings-form { display: grid; gap: 8px; padding: 4px 10px 12px; }
.settings-form input {
  width: 100%; box-sizing: border-box; padding: 9px 11px; font: inherit; font-size: 13px;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 9px;
}
.settings-form input:focus-visible { outline: 2px solid var(--teal); outline-offset: 1px; }
.settings-form-status { margin: 0; font-size: 12px; line-height: 1.45; color: var(--gold); min-height: 0; }

/* Sicherheitsfrage-Dialog: "Nein" vorbelegt/fokussiert (gefüllt, sicher),
   "Ja" bewusst zurückhaltend — bei Lösch-Fragen rot (danger). */
.confirm-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(0, 18, 18, .78);
  display: flex; align-items: center; justify-content: center; padding: 18px;
}
.confirm-box {
  width: min(440px, 100%); padding: 20px 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border-strong);
  box-shadow: 0 22px 60px rgba(0,0,0,.5);
}
.confirm-text { margin: 0 0 16px; color: var(--text); font-size: 15px; line-height: 1.6; font-weight: 500; }
.confirm-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.confirm-actions button {
  min-height: 42px; padding: 9px 18px; border-radius: 10px; cursor: pointer;
  font: inherit; font-size: 14px; font-weight: 700;
}
.confirm-nein { background: var(--teal); color: var(--on-accent); border: 0; }
.confirm-nein:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.confirm-ja { background: transparent; color: var(--text-muted); border: 1px solid var(--border-strong); }
.confirm-ja:hover { color: var(--text); border-color: var(--text-muted); }
.confirm-ja.danger { color: #ffb4b3; border-color: rgba(226,75,74,.55); }
.confirm-ja.danger:hover { background: var(--red-bar); color: #fff; border-color: var(--red-bar); }
html[data-theme="hell"] .confirm-ja.danger { color: #a02622; }
html[data-theme="hell"] .confirm-ja.danger:hover { color: #fff; }
/* Hellmodus-Korrekturen Einstellungen: --teal vertieft (dunkel) -> heller Text auf „go";
   Gefahr-Text dunkelrot statt hellrosa (sonst auf hellem Grund unleserlich). */
html[data-theme="hell"] .settings-action-go { color: #fff; }
html[data-theme="hell"] .settings-action-danger { color: #a02622; background: rgba(226,75,74,.10); }
html[data-theme="hell"] .settings-fold-danger > summary { color: #a02622; }

/* Kontingent — Header-Button + Klick-Popover */
.quota-menu { position: relative; display: inline-flex; }
.btn-quota {
  display: inline-flex; align-items: center; white-space: nowrap;
  padding: 8px 14px; border-radius: 999px; font: inherit; font-weight: 800; font-size: 13px;
  color: var(--gold); text-decoration: none; cursor: pointer;
  border: 1px solid rgba(252,187,55,.38); background: rgba(252,187,55,.10);
}
.btn-quota:hover { color: var(--ink); border-color: rgba(252,187,55,.65); }
.quota-popover {
  position: absolute; top: 100%; right: 0; margin-top: 8px;
  width: 300px; padding: 16px; box-sizing: border-box;
  background: rgba(14,26,38,.97); border: 1px solid rgba(150,209,211,.30);
  border-radius: 14px; box-shadow: 0 18px 40px rgba(0,0,0,.45);
  z-index: 120; color: #eaf2f4; text-align: left;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.quota-menu.open .quota-popover { opacity: 1; visibility: visible; transform: translateY(0); }
.quota-popover .quota-title { display: block; font-size: 13px; font-weight: 800; color: #eaf2f4; margin-bottom: 12px; }
.quota-popover .quota-loading,
.quota-popover .quota-error { margin: 0; font-size: 12.5px; color: rgba(234,242,244,.72); }
.quota-popover .quota-error { color: #f3a9a0; }
.quota-row + .quota-row { margin-top: 13px; }
.quota-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.quota-head .quota-label { font-size: 13px; font-weight: 700; color: #eaf2f4; }
.quota-head .quota-values { font-size: 12px; color: rgba(234,242,244,.78); white-space: nowrap; }
.quota-row.exceeded .quota-head .quota-values { color: #f3a9a0; }
.quota-bar {
  margin-top: 6px; height: 7px; border-radius: 999px; overflow: hidden;
  background: rgba(255,255,255,.10); border: 1px solid var(--border);
}
.quota-bar-fill { display: block; height: 100%; border-radius: 999px;
  background: var(--teal, #96d1d3); transition: width .25s ease; }
.quota-bar-fill.exceeded { background: #e8675a; }
.quota-reset { display: block; margin-top: 5px; font-size: 11.5px; color: rgba(234,242,244,.62); }

/* Hinweis-Kasten im Download-Bereich */
.download-hint {
  max-width: 720px; margin: 0 0 20px; padding: 16px 20px;
  border-left: 3px solid var(--gold);
}
.download-hint p { margin: 0; color: var(--text-muted); font-size: 14.5px; line-height: 1.55; }
.download-hint p + p { margin-top: 8px; }
.download-hint strong { color: var(--text); }
#download .group-label {
  display: inline-block; font-size: 15px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--gold); text-shadow: var(--text-halo);
  background: rgba(0,20,20,.66); padding: 4px 12px; border-radius: 8px;
}
#download .group-label.trainer { color: var(--orange); }

/* ============================================================
   Layout: Seitenleiste + Inhalt
   ============================================================ */
.layout { display: flex; gap: 0; align-items: flex-start; }
body.course-page .layout { height: calc(var(--vh-voll) - var(--topbar-h)); overflow: hidden; }

.sidebar {
  position: sticky; top: var(--topbar-h);
  width: var(--sidebar-akt); flex: 0 0 var(--sidebar-akt); transition: flex-basis .22s ease, width .22s ease;
  height: calc(var(--vh-voll) - var(--topbar-h)); overflow-y: auto;
  padding: 22px 16px;
  border-right: 1px solid var(--border);
  background: var(--surface);
}
/* Einklappbare Seitenleiste (Desktop) — Auftraggeber 2026-06-17 */
.sidebar.is-collapsed { --sidebar-akt: var(--sidebar-zu); overflow: hidden; }
.sidebar.is-collapsed .sidebar-tree,
.sidebar.is-collapsed .mode-panel,
.sidebar.is-collapsed > h3 { display: none; }
.sidebar-collapse {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  width: 100%; margin: 0 0 12px; padding: 7px 9px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text-muted); font-weight: 700; font-size: 12px;
  cursor: pointer; transition: background .15s ease, color .15s ease;
}
.sidebar-collapse:hover { background: var(--surface-3); color: var(--text); }
.sidebar-collapse .chev { transition: transform .2s ease; font-size: 14px; }
.sidebar.is-collapsed .sidebar-collapse { justify-content: center; }
.sidebar.is-collapsed .sidebar-collapse .lbl { display: none; }
.sidebar.is-collapsed .sidebar-collapse .chev { transform: rotate(180deg); }
@media (prefers-reduced-motion: reduce) {
  .sidebar, .sidebar-collapse, .sidebar-collapse .chev { transition: none; }
}
@media (max-width: 900px) {
  /* Am Handy gilt der Burger/Drawer — Einklappen ist hier wirkungslos. */
  .sidebar.is-collapsed { --sidebar-akt: var(--sidebar); }
  .sidebar.is-collapsed .sidebar-tree,
  .sidebar.is-collapsed .mode-panel,
  .sidebar.is-collapsed > h3 { display: revert; }
  .sidebar-collapse { display: none; }
  body.course-page .content { padding-right: 0; }  /* Chat-Reserve nur am Desktop */
}
.sidebar h3 { font-family: var(--font-body); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); margin: 18px 8px 8px; }
.sidebar .group-label { color: var(--gold); }
.sidebar .group-label.trainer { color: var(--orange); }

.navmod { margin-bottom: 6px; }
.navmod > summary {
  list-style: none; cursor: pointer; padding: 9px 10px; border-radius: 8px;
  display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; font-size: 14px;
}
.navmod > summary::-webkit-details-marker { display: none; }
.navmod > summary:hover { background: var(--surface-2); }
.navmod > summary .chev { margin-left: auto; transition: transform .2s; color: var(--text-muted); font-size: 12px; }
.navmod[open] > summary .chev { transform: rotate(90deg); }
.navmod .blocks { padding: 2px 0 8px 14px; }
.navmod .blocks a {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 7px; color: var(--text-muted); font-size: 13.5px;
}
.navmod .blocks a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.navmod .blocks a.active { background: rgba(150,209,211,0.16); color: var(--teal); }
.navmod .blocks a .dot { width: 14px; height: 14px; flex: 0 0 14px; border-radius: 50%;
  border: 1.5px solid var(--border-strong); }
.navmod .blocks a.done .dot { background: var(--teal); border-color: var(--teal);
  box-shadow: 0 0 8px rgba(150,209,211,.5); }

/* ============================================================
   UNTERKAPITEL-KREISE (Lesefortschritt) — Sidebar + Kapitel-Footer
   leer = ungelesen · rot-orange gefüllt = gelesen · Ring = aktiver Abschnitt
   ============================================================ */
.uk-dots { display: flex; flex-wrap: wrap; align-items: center; }
.uk-dot {
  appearance: none; -webkit-appearance: none; padding: 0; cursor: pointer;
  border-radius: 50%; background: transparent;
  border: 1.5px solid var(--border-strong);
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease, transform .12s ease;
}
.uk-dot:hover { border-color: var(--orange); transform: scale(1.18); }
.uk-dot.read { background: var(--orange); border-color: var(--orange); }
/* Aktueller Abschnitt („du bist hier") — gut sichtbares Hellgrün, auch auf dunklem Grund.
   Überschreibt bewusst die rot-orange Lese-Farbe, damit die Position immer heraussticht. */
.uk-dot.active,
.uk-dot.read.active {
  background: var(--green); border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(155,209,122,.45), 0 0 10px 2px rgba(155,209,122,.85);
  transform: scale(1.25);
}

/* Sidebar: kompakte Reihe unter dem Kapiteltitel (bricht bei Bedarf in 2. Zeile um) */
.navmod .blocks .navblock { display: block; }
.uk-dots-side { gap: 5px; padding: 1px 10px 6px 32px; }
.uk-dots-side .uk-dot { width: 8px; height: 8px; }

/* Footer: größere, klickbare Reihe unter den Zurück/Weiter-Buttons */
.uk-dots-footer { grid-column: 1 / -1; justify-content: center; gap: 9px; padding-top: 2px; }
.uk-dots-footer .uk-dot { width: 11px; height: 11px; }
.uk-dots-footer:empty { display: none; }

/* ============================================================
   LERNKARTEN (Modul „Tipps und Tricks") — ein Tipp pro Karte,
   links/rechts wegklicken (Pfeile + Wischen) mit Slide-Animation.
   Fortschritt/Position zeigen die uk-dots im Footer (wie im Grundkurs).
   ============================================================ */
.tipp-cardwrap { display: flex; align-items: stretch; gap: 12px; width: 100%; }
.tipp-card { flex: 1 1 auto; min-width: 0; position: relative; overflow: hidden;
  display: flex; flex-direction: column; }
.tipp-arrow {
  flex: 0 0 auto; align-self: center;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1.5px solid var(--border-strong); background: rgba(255,255,255,.05);
  color: var(--text); font-size: 1.6rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s ease, color .15s ease, transform .12s ease, opacity .15s ease;
}
.tipp-arrow:hover:not(:disabled) { border-color: var(--orange); color: var(--orange); transform: scale(1.08); }
.tipp-arrow:disabled { opacity: .25; cursor: default; }
.tipp-card-zaehler { font-size: .78rem; letter-spacing: .05em; text-transform: uppercase;
  color: var(--text-muted); margin: 0 0 8px; }
.tipp-card-titel { margin: 0 0 12px; }
.tipp-card-body { margin: 0; }
@keyframes tippKarteRechts { from { opacity: 0; transform: translateX(36px); } to { opacity: 1; transform: none; } }
@keyframes tippKarteLinks  { from { opacity: 0; transform: translateX(-36px); } to { opacity: 1; transform: none; } }
.tipp-card-inner { animation: tippKarteRechts .26s ease both; }
.tipp-cardwrap[data-dir="prev"] .tipp-card-inner { animation-name: tippKarteLinks; }
@media (prefers-reduced-motion: reduce) { .tipp-card-inner { animation: none; } }
@media (max-width: 560px) {
  .tipp-cardwrap { gap: 5px; }
  .tipp-arrow { width: 38px; height: 38px; font-size: 1.3rem; }
}

/* Startseite mit Modul-Seitenleiste: Lese-/Fragen-Umschalter dort ausblenden (nur im Kapitel sinnvoll) */
.home-page .mode-panel, .home-page .mode-hint { display: none; }

/* Modus-Reiter (oben in der Seitenleiste) */
.mode-panel {
  padding: 12px;
  margin-bottom: 14px;
  border: 1px solid rgba(252,187,55,.34);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  background: rgba(252,187,55,.055);
  box-shadow: 0 12px 28px rgba(0,0,0,.16);
}
/* Titelzeile als hinterlegter Balken, Text zentriert (Auftraggeber 2026-06-11);
   das i-Info-Symbol bleibt rechts verankert. */
.mode-title {
  position: relative;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 9px;
  padding: 8px 30px 8px 12px;
  border-radius: 9px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mode-title .mode-info { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); margin-left: 0; }
.mode-title-icon { color: var(--gold); font-size: 13px; }
.modetabs { display: grid; grid-template-columns: 1fr; gap: 8px; }
.modetab {
  display: flex; align-items: center; gap: 8px;
  width: 100%;
  padding: 11px 12px;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  color: var(--text-muted);
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12.5px;
  font-weight: 800;
  text-align: left;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .12s ease, color .16s ease;
}
.modetab span {
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  font-weight: 900;
  transition: background .16s ease, color .16s ease;
}

/* Ruhezustand: beide Buttons sind bereits farblich unterscheidbar */
.modetab.questions { border-color: rgba(252,187,55,.34); background: rgba(252,187,55,.07); color: var(--text); }
.modetab.reading   { border-color: rgba(150,209,211,.34); background: rgba(150,209,211,.07); color: var(--text); }
.modetab.questions span { background: rgba(252,187,55,.18); color: var(--gold); }
.modetab.reading span   { background: rgba(150,209,211,.18); color: var(--teal); }

/* Mouseover: deutlich kräftiger + leichtes Anheben */
.modetab.questions:hover {
  border-color: rgba(252,187,55,.7);
  background: rgba(252,187,55,.15);
  box-shadow: 0 6px 16px rgba(252,187,55,.16);
  transform: translateY(-1px);
}
.modetab.reading:hover {
  border-color: rgba(150,209,211,.7);
  background: rgba(150,209,211,.15);
  box-shadow: 0 6px 16px rgba(150,209,211,.16);
  transform: translateY(-1px);
}
.modetab.questions:hover span { background: rgba(252,187,55,.3); }
.modetab.reading:hover span   { background: rgba(150,209,211,.3); }

/* Aktiv: kräftigste Hervorhebung mit Farbring + gefülltem Icon */
.modetab.questions.active {
  background: rgba(252,187,55,.22);
  color: #fff;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(252,187,55,.28), 0 8px 18px rgba(252,187,55,.2);
}
.modetab.reading.active {
  background: rgba(150,209,211,.22);
  color: #fff;
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(150,209,211,.28), 0 8px 18px rgba(150,209,211,.2);
}
.modetab.questions.active span { background: var(--gold); color: var(--on-accent); }
.modetab.reading.active span   { background: var(--teal); color: var(--on-accent); }
.modetab:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Kapitel-Header: Modus-Umschalter (m01) + Play/Stopp-Knopf nebeneinander. */
.header-audio-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
/* Play/Stopp-Knopf im Header (Auftraggeber 2026-06-13: neben der Kurs-Umschaltung).
   ▶ grün / ■ spielt rot / wartet orange-pulsierend. */
.ap-play-header {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; flex: 0 0 auto;
  border: 1.5px solid rgba(110,231,183,.5);
  background: rgba(16,185,129,.16); color: #6ee7b7;
  border-radius: 999px; cursor: pointer;
  font-size: 15px; line-height: 1;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.ap-play-header:hover { background: rgba(16,185,129,.26); }
.ap-play-header.spielt { border-color: #ef4444; background: rgba(239,68,68,.22); color: #fca5a5; }
.ap-play-header.wartet { border-color: #f97316; background: rgba(249,115,22,.26); color: #fdba74; animation: ap-puls-h 1.5s infinite; }
@keyframes ap-puls-h { 50% { box-shadow: 0 0 0 5px rgba(249,115,22,.2); } }
html[data-theme=hell] .ap-play-header { color: #047857; border-color: rgba(4,120,87,.5); background: rgba(4,120,87,.1); }

/* Steuerleiste (Auftraggeber 2026-06-14): ↺ Zurück | ▶/⏸ Play-Pause | ■ Stopp.
   Play/Pause ist der große Knopf (.ap-play-header), Zurück + Stopp sind kleiner. */
.ap-ctrls { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.ap-ctrl.ap-back, .ap-ctrl.ap-stop {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; flex: 0 0 auto;
  border: 1.5px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.82);
  border-radius: 999px; cursor: pointer; font-size: 13px; line-height: 1;
  transition: background .15s ease, border-color .15s ease, opacity .15s ease;
}
.ap-ctrl.ap-back:hover, .ap-ctrl.ap-stop:hover { background: rgba(255,255,255,.18); }
.ap-ctrl.ap-stop { color: #fca5a5; border-color: rgba(239,68,68,.45); }
.ap-ctrl.ap-stop:hover { background: rgba(239,68,68,.2); }
.ap-ctrl.aus { opacity: .4; }
html[data-theme=hell] .ap-ctrl.ap-back, html[data-theme=hell] .ap-ctrl.ap-stop {
  color: #14302e; border-color: rgba(0,60,60,.35); background: rgba(0,60,60,.07);
}
html[data-theme=hell] .ap-ctrl.ap-stop { color: #b91c1c; border-color: rgba(185,28,28,.4); }

/* Kurs-Modus-Umschalter OBEN im Kapitel-Header (nur m01) — kompakt + horizontal,
   sichtbar ohne das Seitenmenü zu öffnen (Auftraggeber 2026-06-13). */
.header-modeswitch { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.header-modeswitch .modetab {
  width: auto;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}
.header-modeswitch .modetab span { width: 18px; height: 18px; font-size: 12px; }
@media (max-width: 720px) {
  /* Auf schmalen Schirmen: beide Knöpfe teilen sich die Breite. */
  .header-modeswitch { width: 100%; }
  .header-modeswitch .modetab { flex: 1 1 0; justify-content: center; }
}

.mode-hint {
  margin: 14px 0 14px;
  padding: 0 4px;
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.35;
}

/* Info-Icon + Tooltip-Bubble am Titel "Kurs Modus" */
.mode-info {
  margin-left: auto;
  position: relative;
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  background: rgba(252,187,55,.16);
  color: var(--gold);
  font-size: 11px; font-weight: 900; font-style: normal;
  letter-spacing: 0; text-transform: none;
  cursor: help;
}
.mode-info:hover, .mode-info:focus-visible { background: rgba(252,187,55,.3); outline: none; }
.mode-tip {
  position: absolute;
  top: calc(100% + 9px);
  right: -4px;
  width: 232px;
  padding: 11px 13px;
  background: #00211f;
  color: var(--text);
  border: 1px solid rgba(252,187,55,.4);
  border-radius: 10px;
  box-shadow: 0 16px 34px rgba(0,0,0,.45);
  font-size: 11.5px; font-weight: 600; line-height: 1.5;
  letter-spacing: 0; text-transform: none;
  opacity: 0; visibility: hidden; transform: translateY(-5px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 60;
}
.mode-tip::before {
  content: ""; position: absolute; bottom: 100%; right: 8px;
  border: 6px solid transparent; border-bottom-color: rgba(252,187,55,.4);
}
.mode-tip strong { color: #fff; font-weight: 800; }
.mode-info:hover .mode-tip,
.mode-info:focus .mode-tip,
.mode-info:focus-within .mode-tip { opacity: 1; visibility: visible; transform: translateY(0); }

/* Lese-Ansicht (Normal-Modus) */
.lesson { padding: 22px 26px; margin: 8px 0 4px; line-height: 1.7; color: var(--text); font-size: 16px; }
.lesson h1, .lesson h2, .lesson h3 { font-family: var(--font-head); color: var(--ink); margin: 20px 0 8px; line-height: 1.3; }
.lesson h2 { font-size: 23px; } .lesson h3 { font-size: 18px; color: var(--blue); }
.lesson p { margin: 11px 0; }
.lesson ul, .lesson ol { margin: 10px 0 10px 22px; } .lesson li { margin: 5px 0; }
.lesson strong { color: var(--ink); }
.lesson blockquote { border-left: 3px solid var(--gold); background: rgba(252,187,55,.07);
  margin: 14px 0; padding: 10px 16px; border-radius: 6px; color: var(--text-muted); }
.lesson code { background: var(--surface-3); padding: 1px 6px; border-radius: 4px; font-size: .9em; }
.lesson table { width: 100%; border-collapse: collapse; margin: 16px 0; overflow: hidden; border-radius: 7px; }
.lesson th, .lesson td { border: 1px solid var(--border); padding: 9px 10px; text-align: left; vertical-align: top; }
.lesson th { color: var(--ink); background: rgba(150,209,211,.10); font-weight: 800; }
.lesson td { color: var(--text-muted); background: rgba(255,255,255,.035); }
.lesson img { max-width: 100%; height: auto; border-radius: 7px; }

.content { flex: 1; min-width: 0; padding: 0; }
body.course-page .content { height: 100%; overflow: hidden; padding-right: var(--chat-spur); }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 28px; }

/* Fester Kapitelplayer */
.content .wrap#modulinhalt { max-width: 1080px; height: calc(var(--vh-voll) - var(--topbar-h)); padding: 10px 22px 14px; }
body.course-page .content .wrap#modulinhalt { height: calc(100% - 8px); }
.chapter-player {
  position: relative; overflow: hidden; display: grid; grid-template-rows: auto 1fr auto;
  height: 100%; min-height: 0; border: 1px solid var(--border); border-radius: var(--radius);
  /* Lesefläche auf Marken-Fläche (Token, themen-fähig) — harmoniert mit der neuen
     Seitenleiste; früher hartkodiertes Marineblau (inkonsistent + im Hell unlesbar). */
  background: var(--surface); box-shadow: var(--shadow);
}
.chapter-player > * { position: relative; z-index: 1; }
.chapter-header {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  padding: 14px 18px 12px; border-bottom: 1px solid var(--border); background: var(--surface-2);
}
.chapter-header-main { min-width: 0; }
.chapter-header h1 { color: var(--ink); margin: 4px 0 0; font-size: clamp(21px,2.6vw,30px); line-height: 1.12; }
.chapter-kicker { margin: 6px 0 0; color: var(--text-muted); font-size: 12px; font-weight: 700; }
/* Kapitel-Beschreibung klar vom Titel absetzen (sonst klebt sie durch den globalen
   negativen Rand direkt darunter und wirkt wie Teil der Überschrift). */
.chapter-header .blocksummary { margin: 9px 0 0; line-height: 1.5; color: var(--text-muted); }
.chapter-header-tools {
  min-width: 170px;
  display: grid;
  gap: 9px;
  justify-items: end;
  flex: 0 0 auto;
}
.chapter-header .progress-row { min-width: 150px; width: 100%; }
.chapter-notebook-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(150,209,211,.45);
  background: rgba(150,209,211,.13);
  color: var(--teal);
  font-size: 12.5px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.chapter-notebook-btn:hover {
  color: #fff;
  border-color: rgba(150,209,211,.72);
  background: rgba(150,209,211,.20);
  text-decoration: none;
}
.chapter-notebook-btn span { color: var(--gold); font-size: 12px; }
.chapter-scroll {
  min-height: 0; overflow: auto; padding: 12px 18px 12px; scroll-behavior: auto;
  background: transparent;
}
.chapter-scroll:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.lesson-stream { min-height: 240px; margin-top: 2px; margin-bottom: 2px; padding-top: 18px; padding-bottom: 18px; }
.chapter-footer {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,auto) minmax(0,1fr); gap: 12px;
  align-items: center; padding: 9px 12px; border-top: 1px solid var(--border); background: var(--surface-2);
}
/* min-width:0 + flex-wrap: bei mittlerer Breite/Zoom umbrechen statt aus dem Fenster ragen. */
.chapter-footer-nav { grid-column: 2; min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.chapter-nav-btn { min-height: 32px; min-width: 78px; max-width: 100%; padding: 5px 12px; font-size: 12.5px; white-space: normal; overflow-wrap: break-word; }
.chapter-footer button:disabled { opacity:.42; cursor:not-allowed; }
/* „Weiter" = klare Vorwärts-Aktion: warmer Marken-Gradient statt unauffälligem Ghost. */
.chapter-footer .chapter-nav-btn[data-next] {
  background: linear-gradient(180deg, var(--gold), var(--orange-deep));
  color: var(--on-accent); border-color: rgba(255,255,255,.14); font-weight: 800;
  box-shadow: 0 1px 2px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.2);
  transition: filter .15s;
}
.chapter-footer .chapter-nav-btn[data-next]:hover { filter: brightness(1.07); }
.chapter-footer .chapter-nav-btn[data-next]:disabled { opacity:.42; box-shadow:none; filter:none; }
.chapter-done { grid-column: 3; justify-self: end; display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 13px; white-space: nowrap; }
.chapter-done input { width: 16px; height: 16px; accent-color: var(--teal); }
.chapter-confirm-backdrop {
  position: fixed; inset: 0; z-index: 120;
  display: grid; place-items: center; padding: 20px;
  background: rgba(0, 18, 18, .72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.chapter-confirm { width: min(420px, 100%); padding: 24px; text-align: center; }
.chapter-confirm h2 { margin: 0 0 8px; color: var(--ink); font-size: 24px; }
.chapter-confirm p { margin: 0; color: var(--text-muted); font-size: 14px; }
.chapter-confirm-actions { display: flex; justify-content: center; gap: 10px; margin-top: 20px; }
.chapter-confirm-actions .btn-coach,
.chapter-confirm-actions .btn-ghost { min-width: 92px; justify-content: center; }

/* ============================================================
   Startseite
   ============================================================ */
/* Video unterhalb des Heros, bewusst begrenzt — nicht bildschirmfüllend (A2). */
.course-intro-video { padding: 26px 0 0; }
.intro-video { max-width: 680px; margin: 0 auto; padding: 8px; }
.intro-video-caption { margin: 10px 6px 4px; color: var(--text-muted); font-size: 13.5px;
  line-height: 1.5; text-align: center; }
/* Hero kompakt (Design-Review A2): ein Blickfang — der Kurstitel — statt vieler
   konkurrierender Großelemente; Branding klein darüber, alles in eine Bildschirmhöhe. */
.hero {
  position: relative; overflow: hidden;
  padding: 48px 28px 42px; text-align: center;
  /* Rand statt Kante-an-Kante + Rundung (Design-Review A6) */
  margin: 16px 18px 0; border-radius: var(--radius);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: url("bg07.png") center/cover no-repeat;
  opacity: .95;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(0,23,23,.42), rgba(0,23,23,.60) 55%, rgba(0,23,23,.92) 100%);
}
.hero > * { position: relative; z-index: 2; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 22px; background: rgba(0,20,20,.55); text-shadow: var(--text-halo); }
.hero-brand { display: flex; align-items: center; justify-content: center; gap: 11px; margin-bottom: 16px; }
.hero-brand img { width: 42px; height: 42px; object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(255,181,157,.3)); }
.hero-brand-text { display: flex; flex-direction: column; line-height: 1.05; text-align: left; }
.hero-brand-text strong { font-family: var(--font-head); font-size: 20px; font-weight: 700;
  color: var(--text); letter-spacing: .3px; }
.hero-brand-text small { font-size: 11.5px; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; color: #ffc62b; margin-top: 2px; text-shadow: var(--text-halo); }
.hero-title { font-family: var(--font-head); font-size: clamp(38px, 5.5vw, 58px);
  margin: 0 0 6px; line-height: 1.08;
  background: linear-gradient(180deg, #ffe9b0 8%, var(--gold) 55%, var(--orange-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .claim { font-size: clamp(17px, 2.2vw, 21px); font-weight: 600; color: var(--ink); margin: 0 0 8px; }
.hero .motto { font-size: 15px; color: var(--teal); font-style: italic; margin: 0 auto 22px; }
.hero p.lead { max-width: 640px; margin: 0 auto 30px; color: var(--text); font-size: 18px; }

/* Haupt-Knopf: bewusst zurückhaltend — kompakte Größe, sanfte Rundung statt Pille,
   Verlauf "von oben beleuchtet" + feiner Schatten statt Neon-Halo, Hover hellt nur
   leicht auf (kein Springen). Wirkt wertiger als der frühere Glow-Pillen-Look. */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 14.5px; letter-spacing: .01em;
  padding: 11px 22px; border-radius: 11px; border: 1px solid rgba(255,255,255,.14);
  color: var(--on-accent);
  background: linear-gradient(180deg, var(--gold), var(--orange-deep));
  box-shadow: 0 1px 2px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.22);
  transition: filter .15s, box-shadow .15s;
}
.btn:hover { filter: brightness(1.07); box-shadow: 0 2px 7px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.22); text-decoration: none; }
.btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-strong); box-shadow: none; }
.btn.secondary:hover { filter: none; border-color: rgba(255,255,255,.3); }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-course-cta { min-width: min(280px, 100%); justify-content: center; }

/* „So funktioniert dieser Kurs" */
.section { padding: 56px 0 0; }
.section h2 { font-size: 30px; text-align: center; margin: 0 0 8px; text-shadow: var(--text-halo); }
.section .sub { text-align: center; color: var(--ink); margin: 0 auto 34px; max-width: 620px; text-shadow: var(--text-halo); }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 16px; }
.step {
  min-height: 178px; padding: 22px 18px;
  display: flex; flex-direction: column; align-items: flex-start;
}
.step .n { font-family: var(--font-head); font-size: 30px; color: var(--gold); line-height: 1; }
.step h4 { margin: 12px 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* NotebookLM */
.notebook-section { padding-top: 58px; }
.notebook-panel {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 22px;
  padding: 30px; border-color: rgba(150,209,211,.28);
}
.notebook-panel::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(135deg, rgba(150,209,211,.12), transparent 46%),
    linear-gradient(315deg, rgba(252,187,55,.12), transparent 48%);
}
.notebook-panel > * { position: relative; z-index: 1; }
.notebook-copy h2 { text-align: left; margin: 8px 0 12px; font-size: clamp(28px,3vw,38px); color: var(--ink); }
.notebook-copy p { color: var(--text); max-width: 680px; margin: 0; }
.notebook-video-placeholder {
  display: grid; place-items: center; width: 100%; max-width: 680px;
  height: 150px; margin: 0 0 16px;
  border: 1px dashed rgba(252,187,55,.48); border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(252,187,55,.16), rgba(150,209,211,.08)),
    rgba(0,23,23,.38);
  color: var(--gold); font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  box-shadow: inset 0 0 30px rgba(0,0,0,.18);
}
.notebook-video-placeholder span {
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid rgba(252,187,55,.35); background: rgba(0,23,23,.42);
  font-size: 12px;
}
.notebook-features { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
.notebook-features span {
  border: 1px solid rgba(150,209,211,.24); border-radius: 999px;
  padding: 5px 10px; color: var(--teal); background: rgba(150,209,211,.08); font-size: 12.5px; font-weight: 700;
}
.notebook-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.notebook-card {
  align-self: stretch; padding: 18px; border-radius: 8px;
  border: 1px solid rgba(252,187,55,.28); background: rgba(0,23,23,.42);
}
.notebook-card strong { color: var(--gold); }
.notebook-card ul { margin: 12px 0 0 18px; padding: 0; color: var(--text-muted); font-size: 14px; }
.notebook-card li { margin: 7px 0; }

/* Modul-Kacheln */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
/* Breite Fenster: 3 Spalten -> der Modul-Abschnitt passt in eine Bildschirmhoehe (A6) */
@media (min-width: 1100px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.mcard { position: relative; overflow: hidden; padding: 22px; display: flex; flex-direction: column; gap: 12px; transition: transform .2s, border-color .2s; }
.mcard:hover { transform: translateY(-3px); border-color: var(--border-strong); text-decoration: none; }
/* Mouseover-Info (A3): Kurzbeschreibung des Moduls als einblendendes Overlay. */
.mcard-info { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column;
  justify-content: center; gap: 8px; padding: 18px 20px;
  background: rgba(0,18,18,.93); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  color: var(--text); font-size: 13.5px; line-height: 1.55;
  opacity: 0; transition: opacity .18s ease; pointer-events: none; }
.mcard-info-label { display: block; font-size: 11px; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--gold); }
.mcard:hover .mcard-info, .mcard:focus-visible .mcard-info { opacity: 1; }
@media (hover: none) { .mcard-info { display: none; } }
.mcard .chip { align-self: flex-start; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; }
.chip.teilnehmer { color: var(--teal); background: rgba(150,209,211,.12); }
.chip.trainer    { color: var(--orange); background: rgba(255,181,157,.12); }
.mcard h3 { margin: 0; font-size: 21px; color: var(--text); }
.mcard p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* ---- Fortschrittsbalken (überall genutzt) ---- */
.bar { height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--gold)); transition: width .4s ease; }
.bar.small { height: 6px; }
.progress-row { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
.progress-row .bar { flex: 1; }

/* Download & Druck */
.downloads { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.dl { display: flex; align-items: center; gap: 14px; padding: 16px 18px; text-decoration: none;
  background: rgba(0,24,24,.85);
  transition: transform .2s, border-color .2s; }
.dl:hover { transform: translateY(-2px); border-color: var(--border-strong); text-decoration: none; }
.dl .ic { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 9px; display: flex; align-items: center;
  justify-content: center; font-size: 18px; font-weight: 800; background: rgba(252,187,55,.14); color: var(--gold); }
.dl .t { color: var(--text); font-weight: 600; display: block; }
.dl .s { color: var(--text); font-size: 13px; }
.dl.dl-featured { border-color: rgba(255,181,157,.4);
  background: linear-gradient(rgba(255,181,157,.07), rgba(255,181,157,.07)), rgba(0,24,24,.88); }
.dl.dl-featured .ic { background: rgba(255,181,157,.16); color: var(--orange); }

/* Cache-Hinweis */
.notice { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; margin: 36px 0 0;
  border-left: 3px solid var(--gold); }
.notice .ico { color: var(--gold); }
.notice p { margin: 0; font-size: 14px; color: var(--text-muted); }

/* ============================================================
   Kapitel-/Kapitelseite
   ============================================================ */
.crumbs { font-size: 13px; color: var(--text-muted); padding: 22px 0 0; }
.crumbs a { color: var(--text-muted); }
.blockhead { padding: 8px 0 6px; }
.blockhead h1 { font-size: clamp(28px, 4vw, 40px); margin: 6px 0 10px; color: var(--ink); }
.blockhead .intro { color: var(--text); font-size: 17px; max-width: 720px; }
.blocksummary { max-width: 760px; color: var(--text-muted); font-size: 16px; margin: -2px 0 12px; }
.blockprog { margin: 18px 0 6px; max-width: 360px; }

/* Medien aus generator_v2.py */
.lesson-media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 16px 0 18px; }
.lesson-media { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 8px;
  background: rgba(6, 20, 24, .58); box-shadow: var(--shadow-soft); }
.lesson-media img, .lesson-media video { display: block; width: 100%; height: auto; max-height: 420px; object-fit: cover; background: #061418; }
.lesson-media video { aspect-ratio: 16 / 9; }
.lesson-media figcaption { padding: 10px 12px; color: var(--text-muted); font-size: 13.5px; line-height: 1.45;
  border-top: 1px solid var(--border); background: rgba(255,255,255,.035); }
.media-expand-btn {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 34px; height: 34px; border-radius: 999px;
  border: 1px solid rgba(150,209,211,.62); background: rgba(0,18,18,.72);
  color: var(--teal); font: inherit; font-size: 18px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow-soft);
}
.media-expand-btn:hover { color: var(--ink); border-color: var(--gold); }
.media-overlay {
  position: fixed; inset: 0; z-index: 130; display: grid; place-items: center;
  padding: 24px; background: rgba(0, 18, 18, .78);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.media-overlay-panel {
  position: relative; width: min(1100px, 96vw); padding: 12px;
  border-color: rgba(150,209,211,.36); background: rgba(0,23,23,.88);
}
.media-overlay-panel video {
  display: block; width: 100%; max-height: min(calc(78dvh / var(--font-scale)), 720px);
  aspect-ratio: 16 / 9; background: #000; border-radius: 8px;
}
.media-overlay-panel iframe {
  display: block; width: 100%; height: min(calc(78dvh / var(--font-scale)), 720px);
  aspect-ratio: 16 / 9; border: 0; background: #000; border-radius: 8px;
}
.media-overlay-close {
  position: absolute; top: -14px; right: -14px; z-index: 2;
  width: 36px; height: 36px; border-radius: 999px;
  border: 1px solid rgba(150,209,211,.62); background: rgba(0,18,18,.95);
  color: var(--text); font: inherit; font-size: 24px; line-height: 1;
  cursor: pointer; box-shadow: var(--shadow-soft);
}
.media-overlay-close:hover { color: var(--ink); border-color: var(--gold); }

/* NotebookLM-Aufruf (Kurs-KI-Familie -> violett wie .callout--ki / .ask-ki) */
/* A11: klar dunkler Kasten + weisser Lesetext (vorher wirkte er hell mit blass-gruener
   Schrift ueber dem Hintergrundbild). Farbe nur in Kante/Label (Lesbarkeits-Regel). */
.callout-nb { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; margin: 24px 0 8px;
  border: 1px solid rgba(195,179,242,.30); border-left: 4px solid var(--violet);
  background: rgba(10,16,32,.82); }
.callout-nb .ico { color: var(--violet); font-size: 22px; }
.callout-nb h4 { margin: 0 0 4px; color: var(--violet); font-family: var(--font-body); font-weight: 700; font-size: 15px; }
.callout-nb p { margin: 0; font-size: 14.5px; color: var(--ink); }

/* ── Typisierte Callouts (:::callout <typ>) — Element-Stylebook Ebene 2 (Web+App identisch).
   Design „Kopfbalken": Icon+Label dunkel auf hellem Akzentbalken, Lesetext darunter IMMER
   neutral hell (Farbe nur im Rahmen — Lesbarkeits-Konvention wie GitHub-Alerts/Material).
   Ausnahme „wichtig": dunkelroter Balken mit weißem Text (lauteste Stufe, sparsam!). ── */
.callout { margin: 22px 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.callout-head { display: flex; align-items: center; gap: 9px; padding: 8px 14px; line-height: 1.35; }
.callout-ico { flex: 0 0 auto; font-size: 15px; line-height: 1; }
.callout-label { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; font-weight: 800; }
.callout-body { padding: 12px 15px 13px; min-width: 0; }
.callout-body > :first-child { margin-top: 0; }
.callout-body > :last-child { margin-bottom: 0; }
.callout-body p { font-size: 14.5px; color: var(--text); margin: 8px 0 0; line-height: 1.65; }
/* Box-Design VARIANTE C (Auftraggeber-Wahl 2026-06-10, s. design-varianten.html):
   leise Boxen treten einheitlich DUNKEL zurueck (Farbe nur im Kopfbalken);
   "Zum Merken" = INVERTIERT: helle Box, schwarze Schrift — die eine Kernbotschaft
   pro Kapitel traegt den staerksten Kontrast der Seite. "Sehr wichtig" (rot) bleibt
   dunkel, aber dichter/waermer als die leisen Stufen. */
.callout--info    { border-color: rgba(255,255,255,.10); background: rgba(0,20,20,.72); }
.callout--info    > .callout-head { background: var(--blue); color: var(--blue-deep); }
.callout--tipp    { border-color: rgba(255,255,255,.10); background: rgba(0,20,20,.72); }
.callout--tipp    > .callout-head { background: var(--green); color: var(--green-deep); }
.callout--merken  { border: 1.5px solid var(--gold); background: #fdf6e3;
  box-shadow: 0 4px 18px rgba(0,0,0,.35); }
.callout--merken  > .callout-head { background: var(--gold); color: #3a2700; }
.callout--merken  .callout-body :is(p, li, strong) { color: #1c1607; }
.callout--merken  .callout-body p { font-weight: 500; }
.callout--merken  .callout-body a { color: var(--prompt-blau-tief); }
.callout--ki      { border-color: rgba(195,179,242,.26); background: rgba(0,20,20,.72); }
.callout--ki      > .callout-head { background: var(--violet); color: var(--violet-deep); }
.callout--warnung { border-color: rgba(255,255,255,.10); background: rgba(0,20,20,.72); }
.callout--warnung > .callout-head { background: var(--orange); color: #4a1b00; }
.callout--wichtig { border-color: rgba(226,75,74,.40);   background: rgba(58,12,12,.88); }
.callout--wichtig > .callout-head { background: var(--red-bar); color: #ffffff; }

/* ── Aufklapp-/Kursfassungs-Boxen (:::ausklapp / :::kursfassung) — deutlich klickbar:
   Kopfzeile wie ein Knopf (Pfeil dreht beim Öffnen, Hover, „Aufklappen"-Etikett).
   Vorher ungestylt (nacktes <details>) -> Klickbarkeit war unsichtbar. ── */
.lesson-collapse { margin: 20px 0; border: 1px solid rgba(150,209,211,.35); border-radius: 12px;
  background: rgba(150,209,211,.05); overflow: hidden; }
.lesson-collapse > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; font-weight: 700; font-size: 14.5px; color: var(--teal);
  background: rgba(150,209,211,.10); transition: background .18s; }
.lesson-collapse > summary::-webkit-details-marker { display: none; }
.lesson-collapse > summary::before { content: "▸"; font-size: 15px; line-height: 1; transition: transform .18s; }
.lesson-collapse[open] > summary::before { transform: rotate(90deg); }
.lesson-collapse > summary::after { content: "Aufklappen"; margin-left: auto; flex: 0 0 auto; font-size: 11px;
  letter-spacing: .06em; text-transform: uppercase; font-weight: 700; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 9px; }
.lesson-collapse[open] > summary::after { content: "Zuklappen"; }
.lesson-collapse > summary:hover { background: rgba(150,209,211,.16); }
.lesson-collapse-body { padding: 12px 15px 13px; }
.lesson-collapse-body > :first-child { margin-top: 0; }
.lesson-collapse-body > :last-child { margin-bottom: 0; }

/* ── Kopierbarer Prompt-Kasten (prompt-Fence) — Web+App identisch.
   A7: weisser Kasten, schwarze Schrift, dunkelblauer Rahmen, Label "Prompt". ── */
.prompt-box { margin: 18px 0; border: 1.5px solid var(--prompt-rahmen); border-radius: 10px;
  background: var(--prompt-flaeche); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.28); }
.prompt-box-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 7px 12px; background: var(--prompt-kopf); border-bottom: 1px solid var(--prompt-rahmen); }
.prompt-box-tag { font-size: 11px; letter-spacing: .09em; text-transform: uppercase; font-weight: 800; color: var(--prompt-blau-tief); }
.prompt-box-copy { flex: 0 0 auto; font-size: 13px; padding: 4px 11px; border-radius: 7px;
  border: 1px solid var(--prompt-rahmen); background: #fff; color: var(--prompt-blau-tief); cursor: pointer; font-weight: 600; }
.prompt-box-copy:hover { background: var(--prompt-blau-tief); border-color: var(--prompt-blau-tief); color: #fff; }
.prompt-box-text { margin: 0; padding: 12px 14px; white-space: pre-wrap; word-break: break-word; font-size: 13.5px; line-height: 1.55; color: var(--prompt-tinte); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* Fragen-Modus: Einführung (Klartext, Abschnitt 0 — wie der Lesemodus beginnt) */
.q-stream { display: block; }
.q-intro { padding: 2px 2px 4px; }
.q-intro-kicker { margin: 0 0 8px; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 700; }
.q-intro-text { margin: 0 0 16px; font-size: 16px; line-height: 1.6; color: var(--text); }
.q-intro-howto { display: flex; gap: 12px; align-items: flex-start; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1px solid rgba(150,209,211,.30); border-left: 3px solid var(--teal); background: rgba(150,209,211,.07); }
.q-intro-howto-ico { color: var(--teal); font-size: 17px; line-height: 1.5; flex: 0 0 auto; }
.q-intro-howto p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--text); }
.q-intro-howto strong { color: var(--text); }

/* Fragenkarte (eine Frage je Abschnitt) — Kopf mit Schritt-Zähler + farbiger Nummer */
.qcard { padding: 18px 20px; margin: 16px 0; transition: border-color .2s; }
.qcard-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 13px; }
.qcard-step { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); }
.qcard-step-nr { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px;
  border-radius: 999px; background: rgba(150,209,211,.14); color: var(--teal); border: 1px solid rgba(150,209,211,.40);
  font-family: var(--font-head); font-size: 15px; transition: background .18s, color .18s, border-color .18s; }
.qcard.done .qcard-step-nr { background: var(--teal); color: var(--on-accent); border-color: var(--teal);
  box-shadow: 0 0 10px rgba(150,209,211,.4); }
.qcard.eigene .qcard-step-nr { background: rgba(255,181,157,.14); color: var(--orange); border-color: rgba(255,181,157,.40); }
.qcard.eigene.done .qcard-step-nr { background: var(--orange); color: var(--on-accent); border-color: var(--orange); }

/* Prompt-Eingabemaske (Platzhalter-Prompts mit eigenen Angaben) — Dialog */
.prompt-dialog-backdrop { position: fixed; inset: 0; z-index: 410; display: flex; align-items: center;
  justify-content: center; padding: 18px; background: rgba(0,18,18,.78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.prompt-dialog { width: min(560px, 100%); max-height: calc(100dvh - 40px); overflow-y: auto;
  padding: 20px 22px; border-radius: var(--radius); border: 1px solid var(--border-strong);
  background: var(--surface); box-shadow: 0 22px 60px rgba(0,0,0,.5); }
/* Farbig hinterlegter Kopf (Kurs-KI-Indigo) — Vollband bis an die Dialogkanten. */
.pd-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  margin: -20px -22px 16px; padding: 15px 20px;
  background: linear-gradient(135deg, #2f1f63, #241550);
  border-bottom: 1px solid rgba(195,179,242,.42);
  border-radius: var(--radius) var(--radius) 0 0; }
.pd-head h2 { margin: 0; font-family: var(--font-head); font-size: 20px; color: #fff; }
.pd-close { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 999px; border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10); color: #fff; font-size: 15px; line-height: 1; cursor: pointer; }
.pd-close:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.4); }
.pd-intro { margin: 0 0 16px; font-size: 14px; line-height: 1.5; color: var(--text-muted); }
.pd-field + .pd-field { margin-top: 14px; }
.pd-q { display: block; font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.pd-hint { margin: 0 0 7px; font-size: 12.5px; color: var(--text-muted); }
.pd-in { width: 100%; box-sizing: border-box; resize: vertical; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); padding: 10px 12px; font: inherit; font-size: 15px; }
.pd-in:focus-visible { outline: 2px solid var(--teal); outline-offset: 1px; border-color: var(--teal); }
/* EIN Mikrofon-Knopf (füllt das zuletzt angetippte Feld) + Hinweis */
.pd-voice { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.pd-voice-hint { font-size: 12.5px; color: var(--text-muted); }
.pd-mic { flex: 0 0 auto; width: 44px; height: 40px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted); cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center; }
.pd-mic:hover { color: var(--teal); border-color: var(--teal); }
.pd-mic.is-recording { background: var(--orange); color: var(--on-accent); border-color: transparent;
  animation: micRecPulse 1.1s infinite ease-in-out; }
.pd-preview-wrap { margin-top: 18px; }
.pd-preview-label { display: block; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 700; margin-bottom: 6px; }
.pd-preview-label small { letter-spacing: 0; text-transform: none; font-weight: 500; font-size: 11.5px; }
.pd-preview { width: 100%; box-sizing: border-box; resize: vertical; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text);
  padding: 12px 13px; font: inherit; font-size: 14.5px; line-height: 1.5; }
.pd-preview:focus-visible { outline: 2px solid var(--teal); outline-offset: 1px; }
html[data-theme="hell"] .pd-in:focus-visible,
html[data-theme="hell"] .pd-preview:focus-visible { outline-color: var(--teal-deep); border-color: var(--teal-deep); }
.pd-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 18px; }
.pd-actions button { min-height: 42px; padding: 9px 18px; border-radius: 10px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.qcard.done { border-color: rgba(150,209,211,.45); }
.qtop { display: flex; gap: 14px; align-items: flex-start; }
.qnum { font-family: var(--font-head); font-size: 22px; color: var(--teal); line-height: 1.2; flex: 0 0 auto; min-width: 26px; }
.qbody { flex: 1; min-width: 0; }
.qtext { font-size: 18px; color: var(--prompt-tinte); margin: 0; }
.qactions { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }

/* Checkbox „erledigt" */
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none;
  font-size: 14px; color: var(--text-muted); }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check .box { width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; transition: all .15s; }
.check .box::after { content: "✓"; color: var(--on-accent); font-size: 13px; opacity: 0; }
.check input:checked + .box { background: var(--teal); border-color: var(--teal); box-shadow: 0 0 10px rgba(150,209,211,.5); }
.check input:checked + .box::after { opacity: 1; }
.check input:checked ~ .lbl { color: var(--teal); }
.check input:focus-visible + .box { outline: 2px solid var(--gold); outline-offset: 2px; }

.btn-copy { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 13px; cursor: pointer; }
.btn-copy:hover { color: var(--text); border-color: var(--border-strong); }
/* „Mitnehmen" (aufklappbar) */
.mitnehmen { margin-top: 14px; border-top: 1px dashed var(--border); padding-top: 10px; }
.mitnehmen > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  color: var(--teal); font-size: 13.5px; font-weight: 600; }
.mitnehmen > summary::-webkit-details-marker { display: none; }
.mitnehmen > summary .tag { font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
  background: rgba(150,209,211,.14); color: var(--teal); padding: 2px 8px; border-radius: 999px; }
.mitnehmen p { margin: 10px 0 2px; font-size: 14px; color: var(--text-muted); }

/* „Deine eigene Frage" — wärmster Akzent */
.qcard.eigene { border: 1px solid rgba(255,181,157,.40); border-left: 4px solid var(--orange);
  background: rgba(255,181,157,.05); }
.qcard.eigene .qnum { color: var(--orange); } /* Fragetext bleibt schwarz auf weiss (A7) */
.qcard.eigene .badge { display: inline-block; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--orange); background: rgba(255,181,157,.14); padding: 3px 10px; border-radius: 999px; margin-bottom: 8px; }
.qcard.eigene .check input:checked + .box { background: var(--orange); border-color: var(--orange); box-shadow: 0 0 10px rgba(255,181,157,.5); }
.qcard.eigene .check input:checked ~ .lbl { color: var(--orange); }

/* Frage als anklickbarer Prompt (Fragenmodus): Klick -> an die Kurs-KI,
   Kopier-Icon daneben. .qtext (18px/Farbe) bleibt erhalten; hier nur Button-Reset. */
.qtext-row { display: flex; align-items: flex-start; gap: 10px; }
/* Mini-Etikett "Prompt" ueber der klickbaren Frage (A7) */
.prompt-tag-mini { display: inline-block; font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase;
  font-weight: 800; color: var(--prompt-blau-tief); background: var(--prompt-kopf);
  border: 1px solid var(--prompt-rahmen); border-radius: 5px 5px 0 0; border-bottom: none;
  padding: 2px 9px; margin: 0 0 -1px 0; position: relative; z-index: 1; }
.qtext-ask { flex: 1 1 auto; min-width: 0; text-align: left; white-space: normal; overflow-wrap: anywhere; hyphens: auto; -webkit-hyphens: auto; cursor: pointer; position: relative;
  font-family: inherit; background: var(--prompt-flaeche); color: var(--prompt-tinte);
  border: 1.5px solid var(--prompt-rahmen); border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  padding: 11px 13px 11px 34px; transition: background .18s, border-color .18s, transform .15s;
  box-shadow: 0 1px 6px rgba(0,0,0,.25); }
.qtext-ask::before { content: "✦"; position: absolute; left: 13px; top: 11px; color: var(--prompt-blau-tief); font-weight: 700; }
.qtext-ask:hover { background: var(--prompt-kopf); transform: translateY(-1px); }
.qtext-ask:focus-visible { outline: 2px solid var(--prompt-rahmen); outline-offset: 2px; }
.qcopy-icon { flex: 0 0 auto; width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-muted);
  cursor: pointer; font-size: 15px; transition: color .18s, border-color .18s, background .18s; }
.qcopy-icon:hover { color: var(--gold); border-color: rgba(252,187,55,.45); background: rgba(252,187,55,.10); }
.qcopy-icon svg, .ask-ki-copy svg { width: 16px; height: 16px; display: block; }
.qcard.eigene .qtext-ask:hover { background: rgba(255,181,157,.10); border-color: rgba(255,181,157,.38); }
.qcard.eigene .qcopy-icon:hover { color: var(--orange); border-color: rgba(255,181,157,.45); background: rgba(255,181,157,.10); }

/* ============================================================
   "Frag die Kurs-KI" — interaktiver Hybrid-Fragepunkt (Lesemodus, kursweit)
   ============================================================ */
/* Frag-die-Kurs-KI-Box: echter violetter Kopfbalken + weisse Ueberschrift (wie
   callout-head, Stylebook-Regel "Farbe nur im Balken, max. Kontrast"; Auftraggeber
   2026-06-12). Box randlos, Balken spannt volle Breite, Inhalt eigener Innenabstand. */
.ask-ki { margin: 20px 0; padding: 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(195,179,242,.34); border-left: 4px solid var(--violet); background: rgba(0,20,20,.72); }
.ask-ki-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 14px; background: var(--violet); margin-bottom: 0; }
.ask-ki-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: .07em;
  text-transform: uppercase; font-weight: 800; color: var(--violet-deep); }
.ask-ki-copy { flex: 0 0 auto; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid var(--violet-deep); background: rgba(255,255,255,.55); color: var(--violet-deep);
  cursor: pointer; font-size: 15px; transition: color .18s, border-color .18s, background .18s; }
.ask-ki-copy:hover { color: #fff; border-color: var(--violet-deep); background: var(--violet-deep); }
/* Inhalt (Frage-Knopf + Hint) bekommt eigenen Innenabstand, da .ask-ki randlos ist. */
.ask-ki > .ask-ki-hint { margin: 0 14px 14px; }
.ask-ki-q { display: block; width: calc(100% - 28px); box-sizing: border-box; margin: 13px 14px; text-align: left; white-space: normal; overflow-wrap: anywhere; hyphens: auto; -webkit-hyphens: auto; cursor: pointer; position: relative;
  font-family: var(--font-body); font-size: 16.5px; line-height: 1.5; font-weight: 600;
  color: var(--prompt-tinte); background: var(--prompt-flaeche);
  border: 1.5px solid var(--prompt-rahmen); border-radius: var(--radius-sm);
  box-shadow: 0 1px 6px rgba(0,0,0,.25);
  padding: 12px 14px 12px 38px; transition: border-color .18s, background .18s, transform .15s; }
.ask-ki-q::before { content: "✦"; position: absolute; left: 14px; top: 12px; color: var(--prompt-blau-tief); font-weight: 700; }
.ask-ki-q:hover { background: var(--prompt-kopf); transform: translateY(-1px); }
.ask-ki-q:focus-visible { outline: 2px solid var(--prompt-rahmen); outline-offset: 2px; }
/* [Platzhalter]-Chip sitzt auf dem WEISSEN Frage-Knopf -> dunkler Chip mit heller
   Schrift (P7-Kontrastregel; vorher Hell-Lila auf Weiss = unlesbar, Befund 2026-06-11). */
.ask-ki-var { color: #fff; background: var(--violet-deep); border-radius: 5px; padding: 0 5px; font-style: normal; font-weight: 600; }
/* "Darauf achten" = Achtung/Gegenprobe-Stufe (A8): Orange-Kante, abgesetzter warmer
   Hintergrund, Lesetext WEISS und kraeftiger (nicht mehr duenn/hellgruen). */
.ask-ki-hint { font-size: 14px; color: var(--ink); font-weight: 500; margin: 10px 0 0; line-height: 1.6;
  background: rgba(184,57,0,.13); border: 1px solid rgba(255,181,157,.32);
  border-left: 3px solid var(--orange); border-radius: var(--radius-sm); padding: 10px 13px; }
.ask-ki-hint-tag { display: inline-block; font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--orange); background: rgba(255,181,157,.16); padding: 2px 8px; border-radius: 999px; margin-right: 8px; font-weight: 800; }
.ask-ki-hint strong { color: var(--ink); }
.ask-ki-hint-liste { margin: 6px 0 0; padding-left: 20px; }
.ask-ki-hint-liste li { margin: 3px 0; }

/* Anbieter-Karte (Modul 09 "Was geht mit KI") — je Anbieter eine abgehobene Karte */
.anbieter-card { margin: 22px 0; padding: 18px 20px 20px; border: 1px solid var(--border);
  border-left: 4px solid var(--teal); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(150,209,211,.06), rgba(150,209,211,.02)); }
/* V7 v2 (Auftraggeber-Spez): Karte zugeklappt = nur Name+Badges; Klick klappt
   Profil + Funktions-Tabelle auf; Standard-Frage-Zeile IN der offenen Karte. */
/* Kopfzeile farblich abgesetzt (Auftraggeber 2026-06-10 nacht): Firmenname hebt
   sich vom Erklärtext darunter ab, besonders im aufgeklappten Zustand. */
.anbieter-head { display: flex; align-items: center; gap: 10px; cursor: pointer;
  list-style: none; padding: 9px 13px; margin: -18px -20px 0; border-radius: 11px 11px 0 0;
  background: linear-gradient(180deg, rgba(195,179,242,.16), rgba(195,179,242,.08));
  border-bottom: 1px solid rgba(195,179,242,.22);
  transition: background .15s; }
details.anbieter-card[open] > .anbieter-head { background: linear-gradient(180deg, rgba(195,179,242,.24), rgba(195,179,242,.10));
  border-bottom: 1px solid rgba(195,179,242,.38); margin-bottom: 14px; }
.anbieter-head::-webkit-details-marker { display: none; }
.anbieter-head:hover { background: linear-gradient(180deg, rgba(195,179,242,.28), rgba(195,179,242,.14)); }
.anbieter-head:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }
.anbieter-chev { margin-left: auto; color: var(--text-muted); font-size: 12px; transition: transform .2s; }
details.anbieter-card[open] > .anbieter-head .anbieter-chev { transform: rotate(90deg); }
.anbieter-frage-zeile { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); }
.anbieter-frage-btn { display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font: inherit; font-size: 13.5px; font-weight: 600; color: var(--violet);
  background: rgba(195,179,242,.08); border: 1px solid rgba(195,179,242,.32);
  border-radius: 9px; padding: 8px 13px; transition: background .15s, border-color .15s; }
.anbieter-frage-btn:hover { background: rgba(195,179,242,.16); border-color: rgba(195,179,242,.5); }
.anbieter-card .anbieter-name { margin: 0 0 4px; font-size: 20px; color: var(--ink);
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.anbieter-body > p:first-child { margin-top: 6px; color: var(--text); }
.anbieter-body table { width: 100%; border-collapse: collapse; margin: 14px 0 4px; border-radius: 7px; overflow: hidden; }
.anbieter-body th, .anbieter-body td { border: 1px solid var(--border); padding: 8px 11px; text-align: left; vertical-align: top; }
.anbieter-body th { color: var(--ink); background: rgba(150,209,211,.12); font-weight: 800; font-size: 14px; }
.anbieter-body td { color: var(--text-muted); background: rgba(255,255,255,.025); font-size: 14.5px; }
.anbieter-body td:first-child { color: var(--teal); font-weight: 700; white-space: nowrap; }
.anbieter-body .ask-ki { margin: 14px 0 2px; }

/* Zurück/Weiter */
.pager { display: flex; justify-content: space-between; gap: 14px; margin-top: 40px; }
.pager a { flex: 1; padding: 16px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.pager a:hover { border-color: var(--border-strong); text-decoration: none; }
.pager a.next { text-align: right; }
.pager .k { display: block; font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }

/* „kopiert!"-Hinweis */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--teal); color: var(--on-accent); padding: 10px 20px; border-radius: 999px;
  font-weight: 600; font-size: 14px; opacity: 0; pointer-events: none; transition: all .3s; z-index: 100; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   Responsiv
   ============================================================ */
/* ============================================================
   Nutzer-Leiste in der Kopfzeile
   ============================================================ */
.profilbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.profilbar .who { font-size: 12px; color: var(--text-muted); }
.profilbar .user-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; color: var(--text); }
/* Schlanke Profilleiste (2026-06-12): E-Mail pur + Token-Verbrauchs-Balken */
.profilbar .user-mail { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 12.5px; font-weight: 600; color: var(--text-muted); }
.token-balken { width: 90px; height: 8px; border-radius: 999px; overflow: hidden;
  background: rgba(255,255,255,.13); border: 1px solid var(--border); flex: 0 0 auto; }
.token-balken i { display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--teal), var(--gold)); transition: width .4s ease; }
.token-balken.voll i { background: var(--red-bar); }
html[data-theme="hell"] .token-balken { background: rgba(0,60,60,.12); }

/* ============================================================
   Bild-Bänder zwischen Abschnitten
   ============================================================ */
.quoteband {
  position: relative; overflow: hidden;
  margin: 64px 0 8px; border-radius: var(--radius);
  padding: 64px 28px; text-align: center;
}
.quoteband::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: url("band.png") center/cover no-repeat; opacity: .9;
}
.quoteband::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,23,23,.55), rgba(0,23,23,.78));
}
.quoteband > * { position: relative; z-index: 2; }
.quoteband .q { font-family: var(--font-head); font-style: italic; font-size: clamp(20px,3vw,30px);
  color: var(--ink); margin: 0 auto; max-width: 760px; }
.quoteband .by { color: var(--gold); font-size: 14px; margin-top: 12px; letter-spacing: .04em; }

/* Modul-Kopfbanner (Bild direkt als background-image am Element gesetzt) */
.modhead { position: relative; overflow: hidden; border-radius: var(--radius); margin: 22px 0 10px;
  padding: 56px 28px; background-size: cover; background-position: center; min-height: 180px; }
.modhead::after { content:""; position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(0,23,23,.25), rgba(0,23,23,.72)); }
.modhead > * { position: relative; z-index: 2; }
.modhead h1 { font-size: clamp(26px,4vw,38px); color:#fff; margin: 8px 0 0; text-shadow: 0 2px 12px rgba(0,0,0,.5); }
.modhead p { color: #eef; margin: 8px 0 0; max-width: 680px; text-shadow: 0 1px 6px rgba(0,0,0,.5); }

/* Kapitel-Abschnitt mit eigenem Hintergrundbild (Bild je Kapitel per inline-Style) */
.blockband { position: relative; overflow: hidden; border-radius: var(--radius);
  margin: 30px 0; padding: 30px 26px 14px; background-size: cover; background-position: center; }
.blockband::before { content:""; position:absolute; inset:0; z-index:0;
  background: linear-gradient(180deg, rgba(0,23,23,.38), rgba(0,23,23,.60) 45%, rgba(0,23,23,.80)); }
.blockband > * { position: relative; z-index: 1; }
.blockband .blockhead h1 { text-shadow: 0 2px 12px rgba(0,0,0,.55); }

/* Sektion mit zartem Bild-Hintergrund (z. B. Trainer-Bereich) */
.section.onimage { position: relative; overflow: hidden; border-radius: var(--radius); padding: 44px 28px; margin-top: 64px; }
.section.onimage::before { content:""; position:absolute; inset:0; z-index:0;
  background: url("dawn.png") center/cover no-repeat; opacity:.5; }
.section.onimage::after { content:""; position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(0,23,23,.78), rgba(0,23,23,.9)); }
.section.onimage > * { position: relative; z-index: 2; }

/* Trainer-Inhalte: standardmäßig verborgen, per JS eingeblendet */
.trainer-only[hidden] { display: none !important; }

/* ============================================================
   Integrierter Kurschat
   ============================================================ */
.course-chat {
  position: fixed;
  right: 0;
  top: 76px;
  bottom: 18px;
  width: min(380px, calc(100vw - 28px));
  z-index: 80;
  transform: translateX(calc(100% - 50px));
  transition: transform .25s ease;
  pointer-events: none;
}
body.course-chat-open .course-chat { transform: translateX(0); }
body.course-chat-expanded .course-chat {
  width: min(760px, calc(100vw - 28px));
}
.course-chat-tab {
  position: absolute;
  left: 0;
  bottom: 96px;
  width: 50px;
  height: 100px;
  border: 1px solid rgba(179,38,30,.55);
  border-right: 0;
  border-radius: 14px 0 0 14px;
  background: var(--red);            /* gut sichtbarer Rot-Ton (Palette „sehr wichtig") */
  color: #fff;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
  font-weight: 800;
  font-size: 12px;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: var(--shadow);
}
.course-chat-tab span { font-size: 15px; line-height: 1; }
.course-chat-tab b { line-height: 1; }
.course-chat-tab small { color: rgba(255,255,255,.88); font-size: 10px; line-height: 1; }
.course-chat-box {
  height: 100%;
  margin-left: 50px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-right: 0;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  pointer-events: auto;
}
.course-chat-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.course-chat-title-icon {
  width: 36px; height: 36px; flex: 0 0 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  color: #d9cdfb;
  background: rgba(195,179,242,.18);
  border: 1px solid rgba(195,179,242,.42);
}
.course-chat-title-icon svg,
.course-chat-avatar svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.course-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  /* Farbig hinterlegter Kopf (Kurs-KI-Indigo) — hebt sich klar vom Gesprächs-
     körper ab (Auftraggeber 2026-06-18: „oben farbig hinterlegen, dunkles Blau"). */
  background: linear-gradient(135deg, #2f1f63, #241550);
  border-bottom: 1px solid rgba(195,179,242,.42);
}
.course-chat-head strong { display: block; color: #fff; }
.course-chat-head small { display: block; color: rgba(227,246,246,.74); margin-top: 2px; }
/* Aktionsknöpfe sitzen auf dem dunklen Band -> hell/transluzent statt Flächenton. */
.course-chat-head .course-chat-expand,
.course-chat-head .course-chat-close {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.22);
  color: #fff;
}
.course-chat-head .course-chat-expand:hover,
.course-chat-head .course-chat-close:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.4);
}
.course-chat-head-actions { display: flex; align-items: center; gap: 8px; }
.course-chat-expand {
  min-width: 36px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}
.course-chat-expand:hover { border-color: var(--gold); color: #fff; }
.course-chat-close {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.course-chat-log {
  min-height: 0;
  overflow: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.course-chat-msg {
  max-width: 92%;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.course-chat-avatar {
  width: 28px; height: 28px; flex: 0 0 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
}
.course-chat-bubble {
  min-width: 0;
  padding: 11px 13px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.course-chat-msg p,
.course-chat-msg li {
  margin: 0;
  color: #fff;
  font-size: 14px;
  line-height: 1.45;
}
.course-chat-msg p + p { margin-top: 9px; }
.course-chat-msg ul { margin: 8px 0 0 18px; padding: 0; }
.course-chat-msg li { margin: 4px 0; }
.course-chat-msg h4 { margin: 2px 0 7px; color: var(--gold); font-family: var(--font-body); font-size: 14px; }
.course-chat-msg strong { color: #fff; font-weight: 700; }
.course-chat-msg code {
  padding: 1px 5px;
  border-radius: 5px;
  color: var(--gold);
  background: rgba(252,187,55,.10);
  font-size: .92em;
}
.course-chat-msg.assistant { align-self: flex-start; }
/* Ruhige neutrale Blasen; Akzent nur im Avatar-Symbol. */
.course-chat-msg.assistant .course-chat-avatar { color: var(--gold); border-color: rgba(252,187,55,.30); }
.course-chat-msg.assistant .course-chat-bubble { background: var(--surface); border-color: var(--border); }
.course-chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.course-chat-msg.user .course-chat-avatar { color: var(--teal); border-color: rgba(150,209,211,.30); }
.course-chat-msg.user .course-chat-bubble { background: var(--surface-2); border-color: var(--border-strong); }
.course-chat-msg.thinking { min-width: 142px; }
/* Anklickbarer Kurs-Sprung-Link im KI-Coach (springt direkt ins Kapitel) */
.course-chat-bubble a.chat-jump {
  color: var(--teal);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.course-chat-bubble a.chat-jump:hover { color: var(--gold); }
/* Abgesetzte Kontingent-Hinweiskarte (HTTP 429) */
.course-chat-msg.quota .course-chat-avatar { color: var(--gold); border-color: rgba(252,187,55,.30); }
.course-chat-msg.quota .course-chat-bubble {
  background: rgba(252,187,55,.06);
  border-color: rgba(252,187,55,.28);
  border-left: 3px solid var(--gold);
}
/* Chat-Verlauf: Leiste oben, Sitzungs-Trenner, Loeschen, vergangene Nachrichten */
.course-chat-history-bar {
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 4px 2px 8px;
  border-bottom: 1px dashed var(--border);
}
.course-chat-history-hint { color: var(--text-muted); font-size: 12px; line-height: 1.4; }
.course-chat-history-clear,
.course-chat-session-del {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 12px;
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
}
.course-chat-session-del { padding: 2px 8px; line-height: 1; }
.course-chat-history-clear:hover,
.course-chat-session-del:hover { border-color: rgba(255,120,120,.6); color: #ff9d9d; }
.course-chat-session-sep {
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
  color: var(--text-muted);
}
.course-chat-session-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
}
.course-chat-confirm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.course-chat-confirm button {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.course-chat-confirm button.danger {
  border-color: rgba(255,120,120,.55);
  color: #ff9d9d;
  background: rgba(255,90,90,.10);
}
.course-chat-confirm button.danger:hover { background: rgba(255,90,90,.18); color: #ffb3b3; }
.course-chat-msg.is-history { opacity: .82; }
.course-chat-msg.is-history .course-chat-bubble { background: rgba(255,255,255,.03); }
.typing-dots { display: inline-flex; align-items: center; gap: 4px; margin-left: 4px; }
.typing-dots i {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--gold);
  opacity: .35;
  animation: typingPulse 1s infinite ease-in-out;
}
.typing-dots i:nth-child(2) { animation-delay: .16s; }
.typing-dots i:nth-child(3) { animation-delay: .32s; }
@keyframes typingPulse {
  0%, 80%, 100% { transform: translateY(0); opacity: .35; }
  40% { transform: translateY(-4px); opacity: 1; }
}
.course-chat-form {
  display: block;
  padding: 12px;
  border-top: 1px solid var(--border);
}
.course-chat-input-wrap {
  position: relative;
  min-width: 0;
}
.course-chat-form textarea {
  width: 100%;
  min-height: 44px;
  max-height: 130px;
  resize: vertical;
  border-radius: 14px;
  /* Helles Eingabefeld (hellblau→weiß) mit dunkler Schrift — besserer Kontrast
     beim Tippen (Auftraggeber 2026-06-18). */
  border: 1px solid #b8d2ea;
  background: linear-gradient(180deg, #eaf3fc, #ffffff);
  color: #122236;
  padding: 11px 100px 11px 13px;
  font: inherit;
  font-size: 14px;
  display: block;
}
.course-chat-form textarea::placeholder { color: #5d728a; }
.course-chat-form textarea:focus-visible { border-color: var(--teal); outline: 2px solid var(--teal); outline-offset: 1px; }
.course-chat-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: var(--gold);
  color: var(--on-accent);
  font-weight: 800;
  cursor: pointer;
}
.course-chat-send span[aria-hidden="true"] { font-size: 15px; line-height: 1; }
.course-chat-form .course-chat-record {
  position: absolute;
  right: 52px;
  bottom: 7px;
  width: 36px;
  height: 36px;
  min-height: 36px;
  min-width: 36px;
  padding: 0;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  font-size: 10px;
  line-height: 1;
  box-shadow: none;
}
/* Tap-Ziel auf >=44px erweitern, ohne die kompakte Optik aufzublaehen. */
.course-chat-form .course-chat-record::after,
.course-chat-form .course-chat-send::after { content: ""; position: absolute; inset: -4px; border-radius: inherit; }
/* Senden: solides Gold (on-accent-Symbol), ohne plumpen Glow-Halo. */
.course-chat-form .course-chat-send {
  position: absolute;
  right: 8px;
  bottom: 7px;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
}
/* Hellmodus: --gold ist dort vertieft (dunkel) -> Symbol hell, sonst dunkel-auf-dunkel. */
html[data-theme="hell"] .course-chat-form .course-chat-send,
html[data-theme="hell"] .course-chat-form .course-chat-send.stop { color: #fff; }
.course-chat-form .course-chat-record:hover {
  border-color: var(--gold);
  color: var(--text);
}
.course-chat-form .course-chat-record svg {
  width: 17px; height: 17px;
  display: block; margin: 0 auto;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.course-chat-form .course-chat-record.recording {
  background: var(--orange);
  color: var(--on-accent);
  border-color: transparent;
  animation: micRecPulse 1.1s infinite ease-in-out;
}
/* Mikrofon blinkt waehrend der Aufnahme: man sieht, dass man reinsprechen kann. */
.course-chat-form .course-chat-record.recording svg {
  animation: micBlink 1s infinite ease-in-out;
}
@keyframes micBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: .2; }
}
@keyframes micRecPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255,181,157,.18); }
  50% { box-shadow: 0 0 0 8px rgba(255,181,157,.05); }
}
.course-chat-form.transcribing .course-chat-record {
  cursor: progress;
  opacity: .75;
}
.course-chat-form .course-chat-send.stop {
  min-width: 32px;
  background: var(--orange);
  color: var(--on-accent);
}
.course-chat-form.busy .course-chat-record { opacity: .55; cursor: not-allowed; }
.course-chat-form.busy .course-chat-send { cursor: pointer; }
@keyframes micPulse {
  0%, 100% { transform: scale(.8); opacity: .65; }
  50% { transform: scale(1.15); opacity: 1; }
}
.course-chat-note {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .step { min-height: 164px; }
  .cards { grid-template-columns: 1fr; }
  .notebook-panel { grid-template-columns: 1fr; padding: 22px; }
  .notebook-copy h2 { text-align: center; }
  .notebook-copy p { text-align: center; }
  .notebook-video-placeholder { margin-left: auto; margin-right: auto; }
  .notebook-features, .notebook-actions { justify-content: center; }
  /* Kopf-Navigation bleibt mobil bedienbar: nur das "Start"-Aufklappmenü
     (enthält Module + alte Einträge). Die Inline-Modul-Pills haben oben keinen
     Platz und werden ausgeblendet — die Module stehen dafür IM Menü. */
  .topnav { display: flex; gap: 8px; margin-left: 4px; flex: 0 0 auto; }
  .topnav-mods { display: none; }
  .topnav-menu { flex: 0 0 auto; }
  .topnav-menu > summary { font-size: 14px; }
  .topnav-dropdown { left: 0; max-height: calc(70dvh / var(--font-scale)); overflow-y: auto; }
  .menu-toggle { display: inline-block; }
  .sidebar {
    position: fixed; left: 0; top: var(--topbar-h); z-index: 40;
    transform: translateX(-100%); transition: transform .25s;
    width: 86%; max-width: 320px;
    background: var(--surface);
    box-shadow: 0 18px 50px rgba(0,0,0,.45);
  }
  .sidebar.open { transform: translateX(0); }
  .content .wrap#modulinhalt { height: calc(var(--vh-voll) - var(--topbar-h)); padding: 8px; }
  .chapter-player { border-radius: 0; border-left: 0; border-right: 0; }
  .chapter-header { display: block; padding: 13px 14px 10px; }
  .chapter-header-tools { margin-top: 12px; justify-items: stretch; min-width: 0; }
  .chapter-notebook-btn { width: 100%; }
  .chapter-header .progress-row { margin-top: 12px; min-width: 0; }
  /* Handy: schmale Außenränder -> mehr Lese-/Prompt-Breite (Auftraggeber
     2026-06-18: „zu viel Rand am Handy"). Player ist hier ohnehin randlos. */
  .chapter-scroll { padding: 13px 10px 72px; }
  .lesson { padding: 18px 15px; }
  .chapter-footer {
    position: sticky; bottom: 0;
    grid-template-columns: 1fr;
    padding: 8px; gap: 7px;
  }
  .chapter-done { grid-column: auto; justify-self: center; }
  .chapter-footer-nav { grid-column: auto; order: -1; }
  .topprogress .label { display: none; }
  .course-chat {
    top: var(--topbar-h);
    bottom: 0;
    transform: translateX(calc(100% - 48px));
  }
  body.course-chat-expanded .course-chat { width: calc(100vw - 8px); }
  .course-chat-box { border-radius: 0; }
  .course-chat-tab { bottom: 132px; width: 48px; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .step { min-height: auto; }
  .hero-course-cta { width: 100%; }
}

/* ============================================================
   PROJEKT-WERKSTATT (Modul 08) — additiv, bestehende Tokens
   ============================================================ */

/* Schwierigkeit / Meta-Badges */
.wk-stars { display: inline-flex; gap: 2px; }
.wk-star { color: var(--border-strong); font-size: 14px; line-height: 1; }
.wk-star.on { color: var(--gold); }
.wk-meta-item { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px;
  color: var(--text-muted); background: rgba(150,209,211,.10); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 999px; }

/* (B) Projekt-Übersicht im Einführungskapitel */
.wk-overview { margin-top: 8px; }
.wk-card-grid { display: grid; gap: 14px; margin-top: 14px; }
.wk-card { padding: 0; overflow: hidden; }
.wk-card-open { display: flex; flex-direction: column; gap: 8px; align-items: flex-start;
  width: 100%; text-align: left; background: none; border: 0; color: inherit; cursor: pointer;
  font: inherit; padding: 18px 20px 14px; }
.wk-card-open:hover .wk-card-titel { color: var(--gold); }
.wk-card-nr { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); font-weight: 700; }
.wk-card-titel { font-family: var(--font-head); font-size: 21px; color: var(--text); line-height: 1.2; transition: color .15s; }
.wk-card-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.wk-card-summary { font-size: 14px; color: var(--text); }
.wk-card-mehr { margin: 0 20px 16px; }
.wk-card-mehr p { color: var(--text-muted); }
.wk-card-go { margin-top: 6px; }
.wk-list { margin: 6px 0 2px; padding-left: 20px; }
.wk-list li { font-size: 14px; color: var(--text-muted); margin: 4px 0; }

/* (C) Projektseite — Steckbrief-Kopf */
.chapter-projekt .chapter-scroll { padding-bottom: 40px; }
.wk-steckbrief { padding: 20px 22px; margin: 4px 0 18px; }
.wk-badges { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.wk-steckbrief-details { margin-top: 14px; display: grid; gap: 10px; }
.wk-steckbrief-details .mitnehmen { margin-top: 0; }
.wk-steckbrief-details .mitnehmen:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.wk-intro { margin: 0 0 22px; }

/* Steckbrief-Fakten als abgesetzte Kästen mit Farbbalken — nicht mehr grün-auf-grün.
   Jeder der drei Punkte (Ergebnis/Vorbereitung/Lernziel) hat eine eigene Farbe +
   Kopfbalken, damit es nicht monoton wirkt (Auftraggeber 2026-06-12, P7-Kontrast). */
.wk-fakt { border: 1px solid var(--border); border-left: 4px solid var(--teal);
  border-radius: var(--radius-sm); padding: 0; overflow: hidden; background: rgba(0,30,31,.35); }
.wk-fakt > summary { padding: 9px 14px; background: rgba(150,209,211,.10); border-bottom: 1px solid transparent; }
.wk-fakt[open] > summary { border-bottom-color: var(--border); }
.wk-fakt > summary .tag { color: #fff; }
.wk-fakt p, .wk-fakt .wk-list { padding: 0 14px; }
.wk-fakt p { padding-top: 10px; padding-bottom: 10px; }
.wk-fakt .wk-list { padding-top: 10px; padding-bottom: 10px; padding-left: 32px; }
/* Ergebnis = Gold (das Ziel), Vorbereitung = Blau (was du mitbringst), Lernziel = Teal */
.wk-fakt-ergebnis { border-left-color: var(--gold); }
.wk-fakt-ergebnis > summary { background: rgba(252,187,55,.12); color: var(--gold); }
.wk-fakt-ergebnis > summary .tag { background: var(--gold); color: #2a1c00; }
.wk-fakt-vorbereitung { border-left-color: var(--blue); }
.wk-fakt-vorbereitung > summary { background: rgba(127,182,230,.14); color: var(--blue); }
.wk-fakt-vorbereitung > summary .tag { background: var(--blue); color: var(--blue-deep); }
.wk-fakt-lernziel { border-left-color: var(--teal); }
.wk-fakt-lernziel > summary { background: rgba(150,209,211,.12); color: var(--teal); }
.wk-fakt-lernziel > summary .tag { background: var(--teal); color: #04201f; }

/* Schritte */
.wk-steps { display: grid; gap: 22px; margin: 8px 0 22px; }
.wk-step { border-left: 3px solid rgba(150,209,211,.35); padding-left: 18px; }
/* Werkstatt als Schritt-Stepper (paginiert, ein Prompt pro Seite) */
.wk-stepwrap { display: block; }
.wk-stepwrap .wk-steps { margin: 0; }
.wk-overview > * + * { margin-top: 16px; }
.wk-probier-step { border-left: 3px solid rgba(255,181,157,.5); padding-left: 18px; }
.wk-probier-step .wk-probier-tag { display: inline-block; color: var(--orange); font-size: 12px; font-weight: 700; letter-spacing: .03em; margin: 0 0 6px; }
.wk-probier-step h3 { margin: 0 0 10px; }
.wk-step-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 12px; }
.wk-step-nr { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 17px; color: var(--on-accent);
  background: linear-gradient(45deg, var(--teal-deep), var(--teal)); }
.wk-step-title h3 { margin: 0; font-size: 19px; color: var(--text); }
.wk-step-ziel { margin: 4px 0 0; font-size: 14.5px; color: var(--text-muted); }
.wk-step-erklaer { display: grid; gap: 4px; margin: 4px 0; }

/* Prompt-Karte — A7: weisse Flaeche, schwarze Schrift, dunkelblauer Rahmen + Label */
.wk-prompt { padding: 0; margin: 12px 0; background: var(--prompt-flaeche);
  border: 1.5px solid var(--prompt-rahmen); border-radius: 10px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,.28); }
.wk-prompt::before { content: "Prompt"; display: block; padding: 6px 14px;
  background: var(--prompt-kopf); border-bottom: 1px solid var(--prompt-rahmen);
  font-size: 11px; letter-spacing: .09em; text-transform: uppercase; font-weight: 800;
  color: var(--prompt-blau-tief); }
.wk-prompt-text { margin: 0; padding: 12px 14px 0; white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13.5px; line-height: 1.55; color: var(--prompt-tinte); }
.wk-var { color: var(--prompt-blau-tief); background: rgba(47,93,179,.12);
  border-radius: 5px; padding: 0 3px; font-style: normal; font-weight: 700; }
code.wk-var { font-size: 12.5px; }
.wk-prompt-ziel { margin: 8px 14px 0; padding: 7px 11px; border-radius: 8px;
  background: var(--prompt-kopf); border: 1px solid var(--prompt-rahmen);
  color: var(--prompt-blau-tief); font-size: 13px; font-weight: 600; }
.wk-prompt-actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 12px 14px 14px; align-items: center; }
/* Kopier-Knopf auf weisser Prompt-Flaeche: dunkelblau statt hell-auf-dunkel */
.wk-prompt .btn-copy { background: #fff; border: 1px solid var(--prompt-rahmen); color: var(--prompt-blau-tief); font-weight: 600; }
.wk-prompt .btn-copy:hover { background: var(--prompt-blau-tief); border-color: var(--prompt-blau-tief); color: #fff; }
.wk-ask-ki { cursor: pointer; border: 0; }

/* Werkstatt-Übungsmaterial — prominent (A15): eigener Kasten mit Gold-Kante,
   zwei klare Wege (Kopieren / Datei laden) + Ansicht. */
.wk-material { margin-top: 16px; border: 1px solid rgba(252,187,55,.4);
  border-left: 4px solid var(--gold); border-radius: 10px;
  background: rgba(252,187,55,.07); padding: 14px 16px; }
.wk-material-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.wk-material-tag { font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  font-weight: 800; color: var(--gold); }
.wk-material-titel { color: var(--ink); font-size: 15.5px; }
.wk-material-erkl { margin: 6px 0 10px; color: var(--text); font-size: 13.5px; line-height: 1.55; }
.wk-material-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.wk-material-copy { cursor: pointer; border: 0; }
.wk-material-body { margin-top: 10px; }

/* "Worauf du achtest" + Warnungs-Tag — wie .ask-ki-hint: Achtung-Stufe Orange, Text weiss (A8) */
.wk-achten { font-size: 14.5px; color: var(--ink); font-weight: 500; margin: 12px 0 0;
  background: rgba(184,57,0,.13); border: 1px solid rgba(255,181,157,.32);
  border-left: 3px solid var(--orange); border-radius: var(--radius-sm); padding: 12px 14px; }
.wk-achten-tag { display: inline-block; font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--orange); background: rgba(255,181,157,.16); padding: 2px 8px; border-radius: 999px; margin-right: 8px; font-weight: 800; }
.wk-muster { display: block; color: var(--text-muted); }
.mitnehmen .tag.warn { color: var(--orange); background: rgba(255,181,157,.16); }
.wk-warn-details > summary { color: var(--orange); }
.wk-hinweis { margin: 12px 0 0; border-color: rgba(150,209,211,.30); border-left-color: var(--teal);
  background: rgba(150,209,211,.06); }
.wk-hinweis .ico { color: var(--teal); }

/* Anpass-Hinweis */
.wk-anpass { margin: 18px 0; }
.wk-anpass-vars { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px !important; }

/* ===========================================================================
   WERKSTATT-PERSONALISIERUNG (W1) — "Mach es zu DEINEM Projekt"
   Kurs-KI-Familie (Violett), weil die Box mit der Kurs-KI spricht.
   =========================================================================== */
.wk-vorhaben { margin: 18px 0; padding: 0; border: 1px solid rgba(195,179,242,.34);
  border-left: 4px solid var(--violet); border-radius: var(--radius);
  background: rgba(195,179,242,.07); }
.wk-vorhaben-details { padding: 14px 18px 16px; }
.wk-vorhaben-summary { cursor: pointer; list-style: none; display: flex; align-items: baseline;
  gap: 10px; flex-wrap: wrap; font-weight: 700; }
.wk-vorhaben-summary::-webkit-details-marker { display: none; }
.wk-vorhaben-tag { display: inline-block; font-size: 12px; letter-spacing: .04em;
  text-transform: uppercase; font-weight: 800; color: #fff; background: var(--violet-deep);
  padding: 4px 12px; border-radius: 999px; }
.wk-vorhaben-frei { font-size: 12px; color: var(--text-muted); font-weight: 600; font-style: italic; }
.wk-vorhaben-intro { margin: 10px 0 14px; color: var(--text); font-size: 14px; line-height: 1.55; }
.wk-vorhaben-fragen { display: flex; flex-direction: column; gap: 14px; }
.wk-frage-label { display: block; color: var(--ink); font-weight: 600; font-size: 14px; margin-bottom: 6px; line-height: 1.5; }
.wk-frage-eingabe { display: flex; gap: 8px; align-items: flex-start; }
.wk-frage-input { flex: 1; font-family: inherit; font-size: 14px; line-height: 1.55;
  background: var(--prompt-flaeche); color: var(--prompt-tinte);
  border: 1.5px solid var(--prompt-rahmen); border-radius: var(--radius-sm);
  padding: 9px 11px; resize: vertical; min-height: 44px; }
.wk-frage-input:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }
.wk-frage-input:disabled { background: var(--surface-2); color: var(--text-muted); border-color: var(--border); }
.wk-mikro { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  border: 1.5px solid var(--prompt-rahmen); background: #fff; font-size: 18px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center; }
.wk-mikro:hover { background: var(--violet-deep); border-color: var(--violet-deep); }
.wk-mikro.is-recording { background: var(--orange); border-color: var(--orange); animation: wkPuls 1.1s ease-in-out infinite; }
@keyframes wkPuls { 0%,100% { box-shadow: 0 0 0 0 rgba(184,57,0,.5); } 50% { box-shadow: 0 0 0 7px rgba(184,57,0,0); } }
.wk-vorhaben-datenschutz { margin: 14px 0 0; padding: 10px 13px; border-radius: var(--radius-sm);
  background: rgba(0,30,31,.4); border: 1px solid var(--border); color: var(--text-muted);
  font-size: 12.5px; line-height: 1.55; }
.wk-vorhaben-datenschutz strong { color: var(--text); }
.wk-vorhaben-login { margin: 12px 0 0; color: var(--gold); font-size: 13.5px; font-weight: 600; }
.wk-vorhaben-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; align-items: center; }
.wk-anpassen { cursor: pointer; border: 0; }
.wk-anpassen:disabled { opacity: .5; cursor: not-allowed; }
.wk-vorhaben-status { margin: 10px 0 0; color: var(--text); font-size: 13.5px; min-height: 0; line-height: 1.5; }
/* Fertig-Zustand (Bestaetigung statt Formular) */
.wk-vorhaben.is-fertig { padding: 14px 18px 16px; border-left-color: var(--teal); background: rgba(150,209,211,.07); }
.wk-vorhaben-head { margin-bottom: 8px; }
.wk-vorhaben.is-fertig .wk-vorhaben-tag { background: var(--teal); color: #04201f; }
.wk-vorhaben-verstanden { margin: 0 0 8px; color: var(--text); font-size: 14px; line-height: 1.55; }
.wk-vorhaben-verstanden strong { color: var(--ink); }
.wk-vorhaben-offen { margin: 8px 0; padding: 9px 12px; border-radius: var(--radius-sm);
  background: rgba(252,187,55,.08); border: 1px solid rgba(252,187,55,.3); font-size: 13px; color: var(--text); }
.wk-vorhaben-offen ul { margin: 4px 0 0; padding-left: 20px; }
.wk-vorhaben-hinweis { margin: 8px 0 0; color: var(--text-muted); font-size: 13px; }
.wk-reset { color: var(--text-muted); }

/* Personalisierte Prompt-Karte: Abzeichen + "Original anzeigen"-Umschalter */
.wk-prompt.is-personal { border-color: var(--teal); }
.wk-prompt-badge { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  flex-wrap: wrap; padding: 8px 14px; background: rgba(150,209,211,.16);
  border-bottom: 1px solid rgba(150,209,211,.4); }
.wk-badge-tag { font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; font-weight: 800; color: #04201f;
  background: var(--teal); padding: 3px 10px; border-radius: 999px; }
.wk-orig-toggle { cursor: pointer; font-size: 12.5px; font-weight: 600; color: var(--prompt-blau-tief);
  background: #fff; border: 1px solid var(--prompt-rahmen); border-radius: 999px; padding: 3px 11px; }
.wk-orig-toggle:hover { background: var(--prompt-blau-tief); border-color: var(--prompt-blau-tief); color: #fff; }
.wk-prompt.is-personal::before { content: "Dein Prompt"; }

/* Schritt-Eingabefeld (Klasse B: Dokumente/Zwischenergebnisse, clientseitig) */
.wk-schritt-eingabe { margin: 12px 0 0; padding: 12px 14px; border-radius: var(--radius-sm);
  background: rgba(0,30,31,.5); border: 1px dashed var(--prompt-rahmen); }
.wk-schritt-hinweis { margin: 0 0 10px; color: var(--text); font-size: 13px; line-height: 1.5; }
.wk-schritt-feld { display: block; margin-bottom: 10px; }
.wk-schritt-label { display: block; color: var(--text-muted); font-size: 12.5px; font-weight: 600; margin-bottom: 5px; }
.wk-schritt-input { width: 100%; box-sizing: border-box; font-family: inherit; font-size: 13.5px; line-height: 1.5;
  background: var(--prompt-flaeche); color: var(--prompt-tinte); border: 1.5px solid var(--prompt-rahmen);
  border-radius: var(--radius-sm); padding: 8px 10px; resize: vertical; }
.wk-schritt-input:focus-visible { outline: 2px solid var(--prompt-rahmen); outline-offset: 2px; }
.wk-schritt-apply { cursor: pointer; border: 0; margin-top: 2px; }

/* "Probier den Unterschied" — Warnstil, zugeklappt */
.wk-probier { margin: 18px 0; border: 1px solid rgba(255,181,157,.34); border-left: 4px solid var(--orange);
  background: rgba(255,181,157,.05); border-radius: var(--radius); }
.wk-probier > summary { list-style: none; cursor: pointer; display: flex; flex-wrap: wrap; align-items: center;
  gap: 10px; padding: 16px 18px; color: var(--text); font-weight: 700; font-size: 15px; }
.wk-probier > summary::-webkit-details-marker { display: none; }
.wk-probier-tag { font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--orange); background: rgba(255,181,157,.16); padding: 3px 10px; border-radius: 999px; }
.wk-probier-body { padding: 0 18px 18px; }
.wk-probier-body .lesson { padding: 0; background: none; border: 0; box-shadow: none; margin-bottom: 12px; }

/* Transfer / Reflexion */
.wk-transfer { padding: 20px 22px; margin: 22px 0 8px; }
.wk-transfer .lesson { padding: 0; background: none; border: 0; box-shadow: none; }
.wk-transfer-frage { margin-top: 14px; padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid rgba(252,187,55,.30); border-left: 4px solid var(--gold); background: rgba(252,187,55,.06); }
.wk-transfer-tag { display: inline-block; font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 6px; }
.wk-transfer-frage p { margin: 0; font-size: 16px; color: var(--text); }

@media (max-width: 720px) {
  .wk-step { padding-left: 14px; }
  .wk-prompt-actions { flex-direction: column; align-items: stretch; }
  .wk-prompt-actions .btn-coach, .wk-prompt-actions .btn-copy { justify-content: center; text-align: center; }
}

/* ============================================================
   SCROLL-MODUS — additiv, nur für Projektseiten + Werkstatt-Intro
   (Body-Klasse .course-scroll wird in app.js renderChapter() gesetzt).
   Ziel: Aktionsfenster kleiner, Hauptfenster scrollbar (Stream + darunter
   die Projekt-Übersicht erreichbar), Seitenleiste unabhängig scrollbar.
   Normale Lese-/Fragen-Kapitel sind NICHT betroffen (keine Klasse gesetzt).
   ============================================================ */
/* overflow:visible (nicht auto) -> die normale Dokument-/Viewport-Scrollbar
   greift; auto auf body würde einen geklammerten, kürzeren Innen-Scroll erzeugen. */
body.course-page.course-scroll { overflow: visible; }
/* Layoutkette aus dem Vollhöhen-Lock lösen, damit die SEITE scrollt. */
body.course-page.course-scroll .layout {
  height: auto; min-height: calc(var(--vh-voll) - var(--topbar-h)); overflow: visible;
}
body.course-page.course-scroll .content { height: auto; overflow: visible; }
body.course-page.course-scroll .content .wrap#modulinhalt { height: auto; }
/* Aktionsfenster wächst mit dem Inhalt statt feste Resthöhe zu beanspruchen.
   grid-template-rows von "auto 1fr auto" auf reine auto-Zeilen, damit die
   mittlere Zeile (.chapter-scroll) nicht künstlich gestreckt wird. */
body.course-page.course-scroll .chapter-player {
  height: auto; max-height: none; overflow: visible;
  grid-template-rows: auto auto auto;
}
/* Innerer Scroll entfällt -> Stream + Übersichtsboxen fließen in den Seiten-Scroll. */
body.course-page.course-scroll .chapter-scroll {
  overflow: visible; min-height: 0;
  /* Platz für den unten klebenden Footer (v.a. mobil). */
  padding-bottom: 24px;
}
/* Aktionsfenster KLEINER in der Relation: Lese-/Stream-Bereich begrenzen,
   damit der Stream nicht die ganze Höhe einnimmt und die Übersicht sichtbar wird. */
body.course-page.course-scroll .lesson-stream {
  max-height: calc(var(--vh-voll) - var(--topbar-h) - 320px);
  min-height: 200px; overflow: auto;
}
/* Seitenleiste unabhängig scrollbar halten, während die Seite scrollt.
   Nur Desktop: auf Mobil bleibt die Sidebar das fixierte Off-Canvas-Menü. */
@media (min-width: 901px) {
  body.course-page.course-scroll .sidebar {
    position: sticky; top: var(--topbar-h); align-self: flex-start;
    height: auto; max-height: calc(var(--vh-voll) - var(--topbar-h)); overflow-y: auto;
  }
}
@media (max-width: 900px) {
  body.course-page.course-scroll .content .wrap#modulinhalt { height: auto; }
  /* Auf Mobil keine künstliche Stream-Höhe — die ganze Seite scrollt ohnehin. */
  body.course-page.course-scroll .lesson-stream { max-height: none; overflow: visible; }
}

/* ============================================================
   Sidebar: Modulname (-> Eröffnungsseite) vs. Pfeil (-> Kapitel auf/zu)
   Löst das alte <details>/<summary>-Verhalten ab (zwei klare Klickziele).
============================================================ */
.navmod-head { display: flex; align-items: stretch; gap: 2px; }
.navmod-name {
  flex: 1 1 auto; text-align: left; background: none; border: 0; cursor: pointer;
  color: var(--text); font: inherit; font-weight: 600; font-size: 14px;
  padding: 8px 8px 8px 10px; border-radius: 8px; line-height: 1.3;
}
.navmod-name:hover { background: var(--surface-2); }
.navmod-name.active-mod { background: rgba(150,209,211,0.16); color: var(--teal); }
.navmod-toggle {
  flex: 0 0 auto; width: 36px; background: none; border: 0; cursor: pointer;
  color: var(--text-muted); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.navmod-toggle:hover { background: var(--surface-2); color: var(--text); }
.navmod-toggle .chev { font-size: 12px; transition: transform .2s; display: inline-block; }
.navmod.open .navmod-toggle .chev { transform: rotate(90deg); }
.navmod .blocks { display: none; }
.navmod.open .blocks { display: block; }

/* ============================================================
   Modul-Eröffnungsseite (Vorstellungsseite)
============================================================ */
.modul-intro { max-width: 980px; margin: 0 auto; padding: 0 0 60px; }
.modul-intro-head {
  position: relative; overflow: hidden; border-radius: var(--radius);
  margin: 22px 0 18px; padding: 34px 30px; min-height: 200px;
  background-size: cover; background-position: center;
}
.modul-intro-head::after { content:""; position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(8,16,28,.30), rgba(8,16,28,.80)); }
.modul-intro-head-inner { position: relative; z-index: 2; display: flex; align-items: center; gap: 24px; }
.modul-intro-head-text { flex: 1 1 0; min-width: 0; }
.modul-intro-head-video { flex: 0 0 clamp(180px, 34%, 360px); }
.modul-intro-head-video .intro-video { max-width: 100%; margin: 0; border-radius: 8px; overflow: hidden; }
.modul-intro-head-video .intro-video.glass { background: rgba(0,0,0,.5); }
.modul-intro-head-video .video-frame { padding-top: 56.25%; position: relative; border-radius: 6px; overflow: hidden; }
.modul-intro-head h1 { font-size: clamp(22px,3.4vw,38px); color:#fff; margin: 8px 0 0; text-shadow: 0 2px 12px rgba(0,0,0,.5); }
.modul-intro-head--video h1 { font-size: clamp(18px,2.6vw,30px); }
.modul-intro-head .chapter-kicker { color:#cfe3ff; font-size: 15px; font-weight: 600; letter-spacing: .04em; margin: 0; text-shadow: 0 1px 6px rgba(0,0,0,.5); }
.modul-intro-meta { color:#eef; margin: 8px 0 0; font-size: 14px; text-shadow: 0 1px 6px rgba(0,0,0,.5); }
/* Knopf mittig (Design-Review A5) — display:block + margin auto, gilt für alle Module. */
.modul-intro-start { display: block; margin: 18px auto 0; font-size: 16px; padding: 12px 22px; }
@media(max-width:600px){
  .modul-intro-head-inner { flex-direction: column; }
  .modul-intro-head-video { flex: none; width: 100%; }
}
.modul-intro-body { display: flex; flex-direction: column; gap: 18px; }
.modul-intro-text { font-size: 16px; }
.video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; object-fit: contain; background:#000; }
.video-frame img.intro-media-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.intro-video-cap { color: var(--text-muted); font-size: 13px; margin: 8px 2px 0; }
.intro-video-ph .video-frame { background: linear-gradient(135deg, #1a2740, #0e1726); display: flex; align-items: center; justify-content: center; }
.intro-video-ph-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; color: #9fb6d6; font-size: 14px; }
.intro-video-ph-icon { font-size: 30px; width: 64px; height: 64px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); }

/* Kapitelliste auf der Eröffnungsseite (leichte Karten, aktive Links) */
.mi-kapitel-titel { display: inline-block; font-size: 18px; margin: 8px 0 12px;
  text-shadow: var(--text-halo); background: rgba(0,20,20,.62); padding: 4px 12px; border-radius: 8px; }
.mi-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 12px; }
.mi-card { padding: 4px; display: flex; flex-direction: column; position: relative; }
.mi-card-open {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; padding: 12px 12px 10px; border-radius: 10px; color: var(--text);
}
.mi-card-open:hover { background: var(--surface-2); }
.mi-card-nr { color: var(--text); font-size: 12px; font-weight: 700; letter-spacing: .03em; }
.mi-card-titel { font-weight: 600; font-size: 15px; line-height: 1.3; }
.mi-card-metas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 2px; }
.mi-card-meta { color: var(--text-muted); font-size: 12px; }
.mi-card-mehr { margin: 0 8px 8px; }
/* Kurzüberblick lesbarer (weiß statt Teal-Grün) + Akkordeon nur mobil, Desktop = Hover-Popover */
.mi-card-mehr > summary { color: var(--text); }
.mi-card-mehr > summary .tag { color: var(--text); background: rgba(150,209,211,.20); }
.mi-card-mehr p { color: var(--text); }
.mi-card-pop { display: none; }
@media (hover: hover) and (pointer: fine) {
  .mi-card-mehr { display: none; }                          /* kein Tap-Akkordeon am Desktop */
  .mi-card:hover, .mi-card:focus-within { z-index: 5; }     /* Popover über Nachbarkarten */
  .mi-card-pop {
    display: block; position: absolute; left: 8px; right: 8px; top: calc(100% - 6px); z-index: 40;
    padding: 12px 14px; border-radius: var(--radius-sm);
    background: var(--surface-3); border: 1px solid var(--border-strong);
    box-shadow: 0 14px 34px rgba(0,0,0,.5);
    opacity: 0; transform: translateY(-6px); pointer-events: none;   /* opacity statt visibility -> Text bleibt im A11y-Baum */
    transition: opacity .15s ease, transform .15s ease;
  }
  .mi-card:hover .mi-card-pop, .mi-card:focus-within .mi-card-pop {
    opacity: 1; transform: translateY(0); pointer-events: auto;
  }
  .mi-card-pop-tag { display: inline-block; font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
    color: var(--text); background: rgba(150,209,211,.20); padding: 2px 8px; border-radius: 999px; margin-bottom: 6px; }
  .mi-card-pop p { margin: 0; font-size: 14px; color: var(--text); line-height: 1.5; }
}

/* Task F: Abschnitts-Indikator in der Kapitel-Fußzeile + etwas Luft zwischen Abschnitten */
.chapter-section-indicator { color: var(--text-muted); font-size: 12.5px; font-weight: 600; white-space: nowrap; padding: 0 4px; }
.lesson-stream h3 { margin-top: 1.4em; }
.lesson-stream h3:first-child { margin-top: .2em; }
.lesson-stream h4 { margin-top: 1.05em; }

/* ---- Schritt-Karten (Generator :::schritte, Markup-Spec E10) ----
   Gleichförmige Unterabschnitte (z. B. die 5 Säulen) als klar getrennte Karten:
   Kopfbalken-Box mit Nummern-Kreis + Titel, Inhalt im Rahmen-Kasten.
   Standard = .step-stapel (alle Karten untereinander). Opt-in = .step-carousel
   (Marker-Schlusswort "blättern"): eine Karte sichtbar, ◄ ► blättert — nur für
   kurze Textstücke, bei denen Karte UND Umschalter ohne Scrollen sichtbar sind. */
.step-stapel { margin: 26px 0; }
.step-stapel .step-card + .step-card { margin-top: 20px; }
.step-carousel { margin: 26px 0; outline: none; }
.step-carousel:focus-visible { border-radius: var(--radius); box-shadow: 0 0 0 2px var(--border-strong); }
.step-card { border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--surface-2); overflow: hidden; }
.step-carousel .step-card { display: none; }
.step-carousel .step-card.aktiv { display: block; animation: stepCardEin .25s ease; }
@keyframes stepCardEin { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .step-carousel .step-card.aktiv { animation: none; } }
/* Kopfbalken-Kontrast-Regel (Auftraggeber 2026-06-11): Der Kopf muss sich
   IMMER deutlich vom Inhaltsblock abheben — helles Blau + dunkle Schrift,
   gleiche Farbfamilie wie der callout--info-Balken (Kontrast >= 7:1). */
.step-card-head { display: flex; align-items: center; gap: 12px; padding: 13px 18px;
  background: var(--blue); border-bottom: 1px solid var(--border); }
.step-card-num { flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue-deep); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center; }
.lesson .step-card-head h4, .step-card-head h4 { margin: 0; font-family: var(--font-head);
  font-size: 18px; color: var(--blue-deep); line-height: 1.3; }
.step-card-body { padding: 8px 18px 14px; }
.step-card-body > :last-child { margin-bottom: 8px; }
/* Umschalter (Auftraggeber 2026-06-11): dominant — weißer Kasten, schwarze
   Schrift, deutlich erkennbare Pfeil-Knöpfe (Design-Familie der Prompt-Kästen). */
.step-nav { display: flex; align-items: center; justify-content: center; gap: 12px;
  width: max-content; margin: 14px auto 0; padding: 7px 10px;
  background: var(--prompt-flaeche); border: 1.5px solid var(--prompt-rahmen);
  border-radius: 999px; box-shadow: 0 3px 12px rgba(0,0,0,.35); }
.step-btn { background: var(--prompt-blau-tief); color: #fff; border: none;
  border-radius: 50%; width: 38px; height: 38px; font: inherit; font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center; }
.step-btn:hover:not(:disabled) { background: var(--prompt-rahmen); }
.step-btn:disabled { opacity: .3; cursor: default; }
.step-indicator { color: var(--prompt-tinte); font-size: 15px; font-weight: 700;
  min-width: 120px; text-align: center; }

/* ---- Scroll-Hinweis (Stylebook P8) ----
   Zwei wippende Pfeile am unteren Rand des Kapitelfensters, solange darunter
   noch ungelesener Inhalt liegt. Verschwindet beim ersten Scrollen; nach dem
   Gelernt-Merker (localStorage, app.js zeigeScrollHinweis) nie wieder. */
.scroll-hinweis { position: sticky; bottom: 10px; display: flex; flex-direction: column;
  align-items: center; width: max-content; margin: 0 auto; padding: 3px 16px 7px;
  background: var(--prompt-flaeche); border: 1.5px solid var(--prompt-rahmen);
  border-radius: 999px; box-shadow: 0 3px 12px rgba(0,0,0,.35);
  color: var(--prompt-tinte); pointer-events: none; z-index: 5;
  animation: scrollHinweisWippen 1.6s ease-in-out infinite; }
.scroll-hinweis span { display: block; line-height: .5; font-size: 22px; font-weight: 700; }
@keyframes scrollHinweisWippen { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .scroll-hinweis { animation: none; } }
/* Fenster-Variante: für Ansichten, die in der SEITE scrollen (Modul-Eröffnung,
   Werkstatt-Intro). Fixierter Träger unten, das wippende Element sitzt darin. */
.scroll-hinweis-fixed { position: fixed; left: 0; right: 0; bottom: 14px;
  display: flex; justify-content: center; pointer-events: none; z-index: 40; }
.scroll-hinweis-fixed .scroll-hinweis { position: static; margin: 0; }
