/* =====================================================================
   Python-Werkstatt – Design
   Stil angelehnt an die SC-Schwandorf-/Schulseiten: Navy/Petrol-Kopfband
   mit Raster und Welle, Glas-Pills, Kennzahl-Karten, goldene Akzente.
   Schriften lokal: Bricolage Grotesque (Überschriften), Inter (Text),
   JetBrains Mono (Code) – siehe vendor/fonts/fonts.css
   ===================================================================== */

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --navy-950: #061423;
  --navy-900: #081d33;
  --navy-800: #0b2a45;
  --navy-700: #0f3a5d;
  --petrol: #0f6c8c;
  --teal: #1597b8;
  --gold: #c8962e;
  --gold-2: #e6b54f;
  --gold-soft: #fbf2dd;
  --gold-text: #8f6610;   /* Gold als Schrift auf hellem Grund (Kontrast ≥ 4,5:1, axe) */
  --video: #a3740f;   /* Kurzvideo-Symbol (Navigation) */

  --bg: #e9eff5;
  --grid-line: rgba(11, 42, 69, .045);
  --surface: #ffffff;
  --surface-2: #f3f6fa;
  --surface-3: #e7edf4;
  --text: #0e1e30;
  --text-2: #33465d;
  --muted: #56677c;
  --border: #dbe3ec;
  --border-strong: #c3cfdc;

  --brand: #0f6c9c;
  --brand-hover: #0b5a83;
  --brand-soft: #e2f0f8;
  --pflicht: #0f8a62;
  --pflicht-soft: #e0f4ec;
  --profi: #6d44cf;
  --profi-soft: #eee8fc;
  --quiz: #c0660e;
  --quiz-soft: #fdf0e2;
  --success: #149150;
  --success-soft: #def4e8;
  --danger: #cc3b3b;
  --danger-soft: #fce9e9;
  --warn: #b0791b;
  --warn-soft: #fcf2da;

  --editor-bg: #fcfdfe;
  --editor-gutter: #f4f7fa;
  --editor-active: rgba(15, 108, 156, .055);   /* durchscheinend: sonst verdeckt die Zeile die Markierung */
  --console-bg: #0a1929;
  --console-head: #0f2236;
  --console-text: #d8e4f0;
  --console-muted: #7d91a8;

  --shadow-sm: 0 1px 1px rgba(8, 29, 51, .04), 0 2px 6px -2px rgba(8, 29, 51, .08);
  --shadow: 0 1px 1px rgba(8, 29, 51, .04), 0 4px 10px -4px rgba(8, 29, 51, .10), 0 14px 32px -14px rgba(8, 29, 51, .24);
  --shadow-lg: 0 2px 4px rgba(8, 29, 51, .05), 0 12px 24px -10px rgba(8, 29, 51, .18), 0 32px 60px -24px rgba(8, 29, 51, .38);
  --shadow-hover: 0 2px 4px rgba(8, 29, 51, .05), 0 14px 28px -12px rgba(8, 29, 51, .22), 0 30px 56px -26px rgba(15, 108, 156, .35);
  --edge: inset 0 1px 0 rgba(255, 255, 255, .9);          /* Lichtkante oben – wirkt plastisch */
  --silber: #8a97a8; --silber-2: #c9d2dd; --silber-soft: #eef1f5;
  --gold-medal: #c8962e; --gold-medal-2: #f1cf72;
  --bronze: #a8653a; --bronze-2: #e0a77a; --bronze-soft: #f8ece3;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --radius: 18px;
  --radius-sm: 11px;
  --topbar-h: 64px;
  color-scheme: light;
}

/* Keine Code-Ligaturen: JetBrains Mono verschmilzt sonst ==, !=, >=, -> zu einem Zeichen – für Anfänger nicht
   als zwei Gleichheitszeichen erkennbar (Hinweis Betreiber 30.09.). Gilt für Editor, Konsole, Inline-Code, alles. */
/* An jedem Element und mit !important: die font-Kurzschreibweise (z. B. font: 14px var(--mono)) setzt die Einstellung
   sonst pro Element zurück – eine Regel auf html allein wirkt nicht (Test 30.09.). */
*, *::before, *::after { font-variant-ligatures: none !important; }

/* ---------- Dunkel ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07121e; --grid-line: rgba(140, 180, 220, .04);
    --surface: #0e1c2c; --surface-2: #122235; --surface-3: #182b41;
    --text: #e6edf5; --text-2: #bccadb; --muted: #8699b0; --border: #1f3349; --border-strong: #2b4460;
    --brand: #4fb3e0; --brand-hover: #74c4e8; --brand-soft: #0f2c42;
    --pflicht: #36c28f; --pflicht-soft: #0d2a20; --profi: #a487f3; --profi-soft: #1f1936;
    --quiz: #f09a4c; --quiz-soft: #2c1e10; --success: #3ccd80; --success-soft: #0e2a1b;
    --danger: #f06a6a; --danger-soft: #331618; --warn: #e6b659; --warn-soft: #2b230f; --gold-soft: #2a220f; --video: #e6b54f; --gold-text: #e6b54f;
    --editor-bg: #0b1726; --editor-gutter: #0a1522; --editor-active: #10203250;
    --console-bg: #050d17; --console-head: #0a1624;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.35); --shadow: 0 1px 2px rgba(0,0,0,.35), 0 12px 30px -12px rgba(0,0,0,.6);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.4), 0 26px 50px -18px rgba(0,0,0,.7);
    --shadow-hover: 0 2px 6px rgba(0,0,0,.4), 0 18px 40px -14px rgba(0,0,0,.7), 0 0 0 1px rgba(79,179,224,.18);
    --edge: inset 0 1px 0 rgba(255, 255, 255, .06); --silber-soft: #172536; --silber-2: #7f8ea2; --bronze-soft: #2a1c12;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #07121e; --grid-line: rgba(140, 180, 220, .04);
  --surface: #0e1c2c; --surface-2: #122235; --surface-3: #182b41;
  --text: #e6edf5; --text-2: #bccadb; --muted: #8699b0; --border: #1f3349; --border-strong: #2b4460;
  --brand: #4fb3e0; --brand-hover: #74c4e8; --brand-soft: #0f2c42;
  --pflicht: #36c28f; --pflicht-soft: #0d2a20; --profi: #a487f3; --profi-soft: #1f1936;
  --quiz: #f09a4c; --quiz-soft: #2c1e10; --success: #3ccd80; --success-soft: #0e2a1b;
  --danger: #f06a6a; --danger-soft: #331618; --warn: #e6b659; --warn-soft: #2b230f; --gold-soft: #2a220f; --video: #e6b54f; --gold-text: #e6b54f;
  --editor-bg: #0b1726; --editor-gutter: #0a1522; --editor-active: #10203250;
  --console-bg: #050d17; --console-head: #0a1624;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35); --shadow: 0 1px 2px rgba(0,0,0,.35), 0 12px 30px -12px rgba(0,0,0,.6);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.4), 0 26px 50px -18px rgba(0,0,0,.7);
  --shadow-hover: 0 2px 6px rgba(0,0,0,.4), 0 18px 40px -14px rgba(0,0,0,.7), 0 0 0 1px rgba(79,179,224,.18);
  --edge: inset 0 1px 0 rgba(255, 255, 255, .06); --silber-soft: #172536; --silber-2: #7f8ea2; --bronze-soft: #2a1c12;
  color-scheme: dark;
}

/* ------------------------------------------------------------ Grundlagen */
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--topbar-h) + 24px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  color: var(--text); font: 16px/1.62 var(--font); -webkit-font-smoothing: antialiased;
  background-color: var(--bg);
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}
h1, h2, h3 { font-family: var(--display); letter-spacing: -.02em; }
a { color: var(--brand); text-underline-offset: 2px; }
a:hover { color: var(--brand-hover); }
img { max-width: 100%; }
kbd { font: 600 .78em var(--mono); padding: .12em .45em; border-radius: 6px; border: 1px solid var(--border-strong); border-bottom-width: 2px; background: var(--surface); color: var(--text-2); }
:focus-visible { outline: 2.5px solid var(--teal); outline-offset: 2px; border-radius: 6px; }
.spacer { flex: 1; }
[hidden] { display: none !important; }
.icon { display: inline-flex; width: 1.15em; height: 1.15em; flex: none; }
.icon svg { width: 100%; height: 100%; }

/* ------------------------------------------------------------ Kopfzeile */
.topbar {
  position: sticky; top: 0; z-index: 50; height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(8, 29, 51, .96), rgba(11, 42, 69, .94));
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .07); color: #fff;
  box-shadow: 0 6px 20px -10px rgba(4, 12, 22, .6);
}
.topnav { display: flex; gap: 4px; margin-left: 22px; padding: 5px; border-radius: 14px; background: rgba(0, 0, 0, .22); border: 1px solid rgba(255, 255, 255, .1); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .3); }
.topnav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; border-radius: 10px; color: rgba(255, 255, 255, .75); text-decoration: none; font: 700 1rem var(--display); letter-spacing: -.01em; transition: background .25s, color .25s, box-shadow .25s; }
.topnav a svg { width: 18px; height: 18px; }
/* Navigation nie zusammendrücken – sonst wird „Playground“ abgeschnitten (e2e 06.10.2026: seit Zugang- und Info-Knopf auf
   iPhone/iPad/Android 4–17 px zu schmal). Platz gibt stattdessen der Schriftzug ab (kürzt mit „…“). */
.topnav { flex-shrink: 0; }
.brand { min-width: 0; }
.brand-text { min-width: 0; overflow: hidden; }
.brand-text strong, .brand-text small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topnav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.topnav a.active { color: var(--navy-900); background: linear-gradient(180deg, #fff, #dde8f1); box-shadow: inset 0 1px 0 #fff, 0 4px 12px -3px rgba(0, 0, 0, .5); }
.topnav a.active svg { color: var(--petrol); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: #fff; }
.brand:hover { color: #fff; }
.brand-mark svg { width: 36px; height: 36px; display: block; filter: drop-shadow(0 3px 6px rgba(21, 151, 184, .45)); transition: transform .3s var(--ease); }
.brand:hover .brand-mark svg { transform: rotate(-6deg) scale(1.05); }
.brand-mark rect { fill: var(--teal); }
.brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.brand-text strong { font: 700 1.08rem var(--display); letter-spacing: -.01em; white-space: nowrap; }
.brand-text small { color: rgba(255, 255, 255, .6); font-size: .74rem; letter-spacing: .02em; }
.icon-btn {
  width: 40px; height: 40px; display: inline-grid; place-items: center; flex: none; cursor: pointer;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text-2);
  transition: background .15s, border-color .15s;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn svg, .icon-btn .icon { width: 20px; height: 20px; }
.topbar .icon-btn { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .16); color: #fff; }
.topbar .icon-btn:hover { background: rgba(255, 255, 255, .14); }
/* Zugang (konto.js): Knopf mit Status-Punkt + Menü */
.konto-btn { position: relative; }
.konto-dot { position: absolute; right: 6px; bottom: 6px; width: 9px; height: 9px; border-radius: 50%; background: #8aa3b8;
  box-shadow: 0 0 0 2px #0b2a45; transition: background .3s; }
.konto-btn[data-status="gespeichert"] .konto-dot { background: #43d68b; }
.konto-btn[data-status="speichert"] .konto-dot { background: var(--gold-2); animation: breathe 1.2s ease-in-out infinite; }
.konto-btn[data-status="offline"] .konto-dot { background: #f08a5d; }
.konto-pop { position: fixed; z-index: 95; width: min(380px, calc(100vw - 24px)); padding: 18px; border-radius: 18px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); box-shadow: var(--shadow-hover, 0 24px 48px -20px rgba(8, 29, 51, .45));
  animation: fadein .18s ease-out; }
.konto-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.konto-head strong { display: block; font: 700 1.05rem/1.25 var(--display, var(--font)); }
.konto-avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: var(--brand-soft); color: var(--brand); }
.konto-avatar .icon { width: 22px; height: 22px; }
.konto-status { display: block; font-size: .84rem; color: var(--muted); }
.konto-block { padding: 14px 0; border-top: 1px solid var(--border); }
.konto-block label { display: block; font-weight: 600; font-size: .86rem; margin-bottom: 6px; }
.konto-row { display: flex; gap: 8px; }
.konto-link { flex: 1; min-width: 0; padding: 7px 10px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font: 500 .8rem/1.3 var(--mono); }
.konto-hint { margin: 8px 0 0; font-size: .8rem; line-height: 1.45; color: var(--muted); }
.konto-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.konto-actions .konto-hint { margin: 0; }
.konto-pop .btn-sm .icon { width: 16px; height: 16px; }
.nav-toggle { display: none; }
.py-status {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  font: .8rem var(--font); color: rgba(255, 255, 255, .85); white-space: nowrap; max-width: 48vw; overflow: hidden; cursor: pointer;
}
.py-status:hover { background: rgba(255, 255, 255, .13); }
.py-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-2); flex: none; animation: breathe 2.4s ease-in-out infinite; }
.py-status.ready .dot { background: #43d68b; animation: none; box-shadow: 0 0 0 3px rgba(67, 214, 139, .2); }
.py-status .label { overflow: hidden; text-overflow: ellipsis; }
/* Serverlast (CPU oben, RAM unten): dezente Ampel neben dem Python-Status, Werte im Tooltip */
.serverlast { display: inline-flex; flex-direction: column; justify-content: center; gap: 2px; width: 30px; height: 14px;
  padding: 0 2px; flex: none; opacity: .75; cursor: help; }
.serverlast:hover { opacity: 1; }
.serverlast i { display: block; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .14); position: relative; overflow: hidden; }
.serverlast i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--wert, 0%); border-radius: 2px;
  background: var(--farbe, #43d68b); transition: width .8s ease, background-color .8s ease; }
@keyframes breathe { 50% { opacity: .35; } }

/* ------------------------------------------------------------ Kopfband */
.main { flex: 1; width: 100%; }
.band {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(21, 151, 184, .45), transparent 65%),
    radial-gradient(700px 300px at 10% 120%, rgba(21, 151, 184, .25), transparent 70%),
    linear-gradient(125deg, var(--navy-900) 0%, var(--navy-800) 45%, #0e4a6e 100%);
  padding: 44px 24px 92px;
}
.band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: linear-gradient(90deg, transparent, #000 30%, #000 80%, transparent);
}
.band-inner { position: relative; max-width: 1180px; margin: 0 auto; }
.band-back { display: flex; width: max-content; align-items: center; gap: 4px; margin-bottom: 18px; color: rgba(255, 255, 255, .7); text-decoration: none; font-size: .88rem; }
.band-back:hover { color: #fff; }
.pill-glass {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font: 600 .74rem/1.4 var(--font);
  letter-spacing: .09em; text-transform: uppercase; color: rgba(255, 255, 255, .92);
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22); backdrop-filter: blur(6px);
}
.band-title { font: 800 clamp(2.1rem, 5vw, 3.4rem)/1.05 var(--display); letter-spacing: -.035em; margin: 18px 0 10px; max-width: 20ch; text-wrap: balance; }
.band-lead { max-width: 62ch; margin: 0; color: rgba(255, 255, 255, .8); font-size: 1.08rem; }
.band-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.band-wave { position: absolute; left: 0; right: 0; bottom: -1px; height: 60px; color: var(--bg); }
.band-wave svg { width: 100%; height: 100%; display: block; }

.page { position: relative; max-width: 1180px; margin: -58px auto 0; padding: 0 24px 70px; }
/* Sandbox: schlanke Titelleiste, Editor sofort sichtbar */
.slimbar { background: linear-gradient(125deg, var(--navy-900), var(--navy-800) 55%, #0e4a6e); color: #fff; padding: 10px 24px 12px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.slimbar-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.slimbar .band-back { margin: 0; }
.slimbar h1 { margin: 0; font: 700 1.15rem/1.3 var(--display); letter-spacing: -.01em; }
.slimbar h1 span { color: rgba(255, 255, 255, .6); font-weight: 600; }
.page-slim { margin-top: 14px; padding-bottom: 14px; }
.slimbar-inner { min-height: 38px; }
@media (max-width: 600px) {
  .slimbar { padding: 8px 16px; }
  .slimbar-inner { flex-wrap: nowrap; gap: 12px; }
  .slimbar h1 { font-size: 1.05rem; white-space: nowrap; }
  .slimbar h1 span { display: none; }
  .page-slim { margin-top: 12px; }
}
.page-wide { max-width: 1400px; }

/* ------------------------------------------------------------ Buttons */
.btn {
  --btn-bg: var(--surface); --btn-fg: var(--text); --btn-bd: var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 8px 16px; min-height: 40px; border-radius: 12px; border: 1px solid var(--btn-bd);
  background: var(--btn-bg); color: var(--btn-fg); font: 600 .92rem/1 var(--font);
  cursor: pointer; text-decoration: none; white-space: nowrap; position: relative;
  box-shadow: var(--edge), 0 1px 2px rgba(8, 29, 51, .08);
  transition: transform .15s var(--ease), box-shadow .2s, filter .2s, background .2s;
}
.btn:hover { color: var(--btn-fg); filter: brightness(1.06); transform: translateY(-1px); box-shadow: var(--edge), 0 6px 14px -6px rgba(8, 29, 51, .35); }
.btn:active { transform: translateY(1px); box-shadow: inset 0 2px 4px rgba(0, 0, 0, .15); }
.btn-sm { padding: 6px 12px; min-height: 34px; font-size: .84rem; border-radius: 10px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn .icon { width: 1.05em; height: 1.05em; }
.btn-lg { padding: 13px 24px; min-height: 50px; font-size: 1rem; border-radius: 14px; }
.btn-primary, .btn-check { --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: transparent; }
/* Ampel: grün = bereit, gelb = Fehler erkannt, rot = läuft (Stopp) */
.btn-run { --btn-bg: var(--success); --btn-fg: #fff; --btn-bd: transparent; }
.codeblock.lint-error .btn-run { --btn-bg: #e2a21c; --btn-fg: #2a1a00; }
.btn-stop { --btn-bg: var(--danger); --btn-fg: #fff; --btn-bd: transparent; }
/* farbige Knöpfe: leichter Verlauf + Glanzkante = 3D */
.btn-primary, .btn-check, .btn-run, .btn-stop { background-image: linear-gradient(180deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, 0) 55%, rgba(0, 0, 0, .06)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), 0 4px 12px -5px color-mix(in srgb, var(--btn-bg) 80%, transparent); }
.btn-accent { --btn-fg: var(--navy-900); --btn-bd: transparent; background: linear-gradient(180deg, #f7dc8f, #e2ad45); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 8px 22px -8px rgba(230, 181, 79, .75); }
.btn-accent:hover { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 12px 28px -8px rgba(230, 181, 79, .9); }
.btn-glass { --btn-bg: rgba(255, 255, 255, .08); --btn-fg: #fff; --btn-bd: rgba(255, 255, 255, .26); backdrop-filter: blur(6px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12); }
.btn-glass:hover { --btn-bg: rgba(255, 255, 255, .15); }
.btn-ghost { --btn-bg: transparent; --btn-fg: var(--text-2); --btn-bd: var(--border); }
.btn-ghost:hover { --btn-bg: var(--surface-2); }
.btn-ghost.armed { --btn-bg: var(--danger-soft); --btn-fg: var(--danger); --btn-bd: var(--danger); }
.btn-mini { padding: 5px 11px; min-height: 30px; font-size: .8rem; border-radius: 9px; }
:root[data-theme="dark"] :is(.btn-primary, .btn-run, .btn-check, .btn-stop) { --btn-fg: #04101c; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) :is(.btn-primary, .btn-run, .btn-check, .btn-stop) { --btn-fg: #04101c; } }

.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); font-size: .8rem; font-weight: 600;
}
.chip-soft { background: transparent; }
.chip-go { background: var(--brand-soft); border-color: transparent; color: var(--brand); }


/* ------------------------------------------------------------ Startseite */

.kicker { margin-bottom: 8px; }
.kicker span { display: inline-block; font: 700 .76rem/1 var(--font); letter-spacing: .2em; text-transform: uppercase; color: var(--gold); padding-bottom: 10px; position: relative; }
.kicker span::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--gold); border-radius: 2px; }
.kicker-sm { display: block; font: 700 .7rem/1.4 var(--font); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); }

/* Lektionskarten: zweispaltig, plastisch, heben sich beim Überfahren */
.page-home { margin-top: 0; padding-top: 28px; }
.lesson-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 500px), 1fr)); gap: 16px; }
.lesson-card {
  position: relative; display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start;
  padding: 20px 22px; border-radius: var(--radius); color: var(--text); text-decoration: none;
  background: linear-gradient(170deg, var(--surface) 60%, var(--surface-2)); border: 1px solid var(--border);
  box-shadow: var(--edge), var(--shadow); transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
  isolation: isolate; overflow: hidden;
}
a.lesson-card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px 160px at 90% 0%, color-mix(in srgb, var(--teal) 14%, transparent), transparent 70%); }
a.lesson-card:hover { color: var(--text); transform: translateY(-4px); box-shadow: var(--edge), var(--shadow-hover); border-color: color-mix(in srgb, var(--teal) 40%, var(--border)); }
a.lesson-card:hover::before { opacity: 1; }
.lc-num {
  width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(150deg, #13517a, var(--navy-800)); color: #fff; font: 800 1.25rem/1 var(--display);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 10px 20px -10px rgba(11, 42, 69, .8); transition: transform .35s var(--ease);
}
a.lesson-card:hover .lc-num { transform: rotate(-4deg) scale(1.06); }
.lc-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.lc-body { min-width: 0; }
.lc-body h3 { margin: 0; font-size: 1.2rem; flex: 1 1 auto; }
.lc-body p { margin: 4px 0 8px; color: var(--muted); font-size: .95rem; }
.lc-topics { font-size: .8rem !important; line-height: 1.5; color: var(--text-2) !important; opacity: .8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lc-go { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--brand-soft); color: var(--brand); transition: transform .3s var(--ease), background .3s; }
a.lesson-card:hover .lc-go { transform: translateX(3px); background: var(--brand); color: #fff; }
.lc-date { display: inline-flex; align-items: center; gap: 4px; font-size: .74rem; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }
.lc-date .icon { width: 14px; height: 14px; }
.lc-state { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 99px; font-size: .74rem; font-weight: 700; white-space: nowrap; }
.lc-state .icon { width: 14px; height: 14px; }
.lc-state.st-open { background: var(--brand-soft); color: var(--brand); }
.lc-state.st-active { background: linear-gradient(180deg, #1aa6c8, var(--petrol)); color: #fff; box-shadow: 0 4px 10px -4px var(--petrol); }
.lc-state.st-done { background: linear-gradient(180deg, #2bb56e, var(--success)); color: #fff; box-shadow: 0 4px 10px -4px var(--success); }
.lc-state.st-gold { background: linear-gradient(180deg, var(--gold-medal-2), var(--gold-medal)); color: #3a2a08; box-shadow: 0 4px 10px -4px var(--gold-medal); }
.lc-state.st-locked { color: var(--muted); padding-inline: 4px; }
/* in Bearbeitung: Petrol-Kante + leichter Farbschimmer */
.lesson-card.st-active { border-color: color-mix(in srgb, var(--teal) 55%, var(--border)); background: linear-gradient(160deg, color-mix(in srgb, var(--teal) 9%, var(--surface)) 0%, var(--surface) 55%); box-shadow: var(--edge), 0 0 0 1px color-mix(in srgb, var(--teal) 25%, transparent), var(--shadow); }
.lesson-card.st-active .lc-num { background: linear-gradient(150deg, #1aa6c8, var(--petrol)); }
.lesson-card.st-active::after, .lesson-card.st-done::after, .lesson-card.st-gold::after { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 4px; border-radius: 0 4px 4px 0; background: var(--teal); }
/* abgeschlossen: grün, mit Gold: golden */
.lesson-card.st-done { border-color: color-mix(in srgb, var(--success) 45%, var(--border)); background: linear-gradient(160deg, color-mix(in srgb, var(--success) 8%, var(--surface)) 0%, var(--surface) 55%); }
.lesson-card.st-done .lc-num { background: linear-gradient(150deg, #2bb56e, #0f7a45); }
.lesson-card.st-done::after { background: var(--success); }
.lesson-card.st-gold { border-color: color-mix(in srgb, var(--gold-medal) 55%, var(--border)); background: linear-gradient(160deg, color-mix(in srgb, var(--gold-medal-2) 16%, var(--surface)) 0%, var(--surface) 55%); }
.lesson-card.st-gold .lc-num { background: linear-gradient(150deg, var(--gold-medal-2), var(--gold-medal)); color: #3a2a08; }
.lesson-card.st-gold::after { background: var(--gold-medal); }
.lc-num .icon { width: 26px; height: 26px; }
.lc-medals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.lesson-card.planned { background: color-mix(in srgb, var(--surface) 45%, var(--bg)); box-shadow: none; border-style: dashed; filter: grayscale(1); }   /* ohne opacity: Transparenz drückt den Kontrast (axe) */
.lesson-card.planned .lc-num { background: var(--surface-3); color: var(--text-2); box-shadow: none; }
.lesson-card.planned h3 { color: var(--text-2); }
.chip-uebung { background: var(--gold-soft); color: var(--gold-text); border-color: transparent; font-size: .72rem; padding: 3px 9px; }
.chip-vorschau { background: var(--brand-soft); color: var(--brand); border-color: transparent; font-size: .72rem; padding: 3px 9px; }

.progress { height: 7px; border-radius: 99px; background: var(--surface-3); overflow: hidden; box-shadow: inset 0 1px 2px rgba(8, 29, 51, .12); }
.progress-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--teal), var(--success)); transition: width .6s var(--ease); }
.pb-silber .progress-fill { background: linear-gradient(90deg, #aeb9c7, #7c8a9d); }
.pb-bronze .progress-fill { background: linear-gradient(90deg, var(--bronze-2), var(--bronze)); }
.pb-gold .progress-fill { background: linear-gradient(90deg, var(--gold-medal-2), var(--gold-medal)); }

/* Medaillen */
.medal { display: flex; align-items: center; gap: 10px; min-width: 0; }
.medal-coin { width: 34px; height: 34px; flex: none; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: radial-gradient(circle at 35% 30%, #fff 0%, var(--silber-2) 35%, var(--silber) 100%); box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .18), 0 3px 8px -3px rgba(8, 29, 51, .45);
  filter: grayscale(.2) opacity(.55); transition: filter .4s, transform .4s var(--ease); }
.medal-coin .icon { width: 19px; height: 19px; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .25)); }
.medal-bronze .medal-coin { background: radial-gradient(circle at 35% 30%, #fbe3cf 0%, var(--bronze-2) 38%, var(--bronze) 100%); }
.medal-bronze.won .medal-coin { box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .18), 0 0 0 3px color-mix(in srgb, var(--bronze-2) 45%, transparent), 0 6px 14px -4px rgba(168, 101, 58, .6); }
.medal-gold .medal-coin { background: radial-gradient(circle at 35% 30%, #fff6d6 0%, var(--gold-medal-2) 38%, var(--gold-medal) 100%); }
.medal.won .medal-coin { filter: none; transform: scale(1.05); box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .18), 0 0 0 3px color-mix(in srgb, var(--silber-2) 45%, transparent), 0 6px 14px -4px rgba(8, 29, 51, .5); }
.medal-gold.won .medal-coin { box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .18), 0 0 0 3px color-mix(in srgb, var(--gold-medal-2) 45%, transparent), 0 6px 16px -4px rgba(200, 150, 46, .7); animation: glint 3.5s ease-in-out infinite; }
@keyframes glint { 0%, 80%, 100% { filter: brightness(1); } 88% { filter: brightness(1.25); } }
.medal-body { flex: 1; min-width: 0; }
.medal-top { display: flex; justify-content: space-between; gap: 8px; font-size: .8rem; margin-bottom: 4px; }
.medal-top strong { font-weight: 650; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.medal-top span { font-variant-numeric: tabular-nums; color: var(--muted); font-weight: 600; }
.medal.compact .medal-coin { width: 26px; height: 26px; }
.medal.compact .medal-coin .icon { width: 15px; height: 15px; }
.medal.compact .progress { height: 5px; }

/* ------------------------------------------------------------ Lektion */
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 36px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--topbar-h) + 18px); max-height: calc(100vh - var(--topbar-h) - 36px); overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--edge), var(--shadow); }
.side-medals { display: grid; gap: 10px; margin: 0 8px 16px; padding: 12px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--border); box-shadow: inset 0 1px 3px rgba(8, 29, 51, .06); }
.toc-type { display: inline-grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 7px; color: var(--brand); background: var(--brand-soft); }
.toc-type .icon { width: 16px; height: 16px; }
/* Farbe je Art – so erkennt man auf einen Blick, was kommt */
.tt-text, .tt-cover, .tt-goals { color: var(--muted); background: var(--surface-2); }
.tt-aufgabe { color: #0f7a52; background: color-mix(in srgb, #0f7a52 12%, transparent); }
.tt-quiz, .tt-zuordnung { color: var(--quiz); background: var(--quiz-soft); }
.tt-vorhersage { color: #6d44cf; background: color-mix(in srgb, #6d44cf 12%, transparent); }
.tt-luecke, .tt-puzzle { color: var(--brand); background: var(--brand-soft); }
.tt-fehlersuche { color: var(--danger); background: var(--danger-soft); }
.tt-video { display: inline-flex; align-items: center; gap: 1px; width: auto; padding: 0 4px; }   /* Erklärung mit Kurzvideo: Buch + Video */
.tt-video .icon:last-child { color: var(--video); }
.tt-zeichnen { color: #1f8a4c; background: color-mix(in srgb, #2e9e5b 14%, transparent); }
.tt-end { color: var(--gold); background: var(--gold-soft); }
:root[data-theme="dark"] :is(.tt-aufgabe, .tt-vorhersage) { filter: brightness(1.6); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) :is(.tt-aufgabe, .tt-vorhersage) { filter: brightness(1.6); } }
.sidebar-inner { padding: 18px 12px 16px; }
.sidebar-title { display: flex; flex-direction: column; gap: 2px; margin: 0 8px 14px; }
.sidebar-title strong { font: 700 1.08rem var(--display); }
.toc-group { margin-bottom: 12px; }
.toc a { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text-2); border-radius: 10px; padding: 6px 10px; font-size: .88rem; line-height: 1.35; }
.toc a:hover { background: var(--surface-2); color: var(--text); }
.toc a.active { background: var(--brand-soft); color: var(--brand); }
.toc-head { font-weight: 700; color: var(--text) !important; }
.toc-head .icon { color: var(--brand); }
.toc-einstieg .toc-head .icon { color: var(--bronze); }
.toc-pflicht .toc-head .icon { color: var(--silber); }
.toc-profi .toc-head .icon { color: var(--gold-medal); }
.toc-sub { padding-left: 14px !important; font-size: .86rem !important; }
.toc-sub .toc-type { margin-left: 28px; }
.toc-item { padding-left: 14px !important; }
.toc-dot { width: 19px; height: 19px; border-radius: 50%; border: 2px solid var(--border-strong); display: grid; place-items: center; flex: none; color: transparent; }
.toc-dot .icon { width: 11px; height: 11px; }
.toc-item.solved .toc-dot { background: var(--success); border-color: var(--success); color: #fff; }

.chapter { min-width: 0; max-width: 880px; }
.chapter-section { margin-bottom: 44px; }
.section-banner {
  display: flex; gap: 16px; align-items: center; padding: 20px 24px; margin: 10px 0 22px; border-radius: var(--radius);
  color: #fff; background: linear-gradient(135deg, var(--navy-800), #0e4a6e); box-shadow: var(--shadow);
}
.section-banner h2 { margin: 0; font-size: 1.45rem; }
.section-banner p { margin: 3px 0 0; color: rgba(255, 255, 255, .78); }
.sb-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; flex: none; color: #fff; }
.sb-icon .icon { width: 24px; height: 24px; }
.section-banner { position: relative; overflow: hidden; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), var(--shadow); }
.section-banner::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 28px 28px; mask-image: linear-gradient(90deg, transparent 30%, #000); }
.sb-icon { box-shadow: inset 0 -2px 4px rgba(0, 0, 0, .2), 0 6px 14px -6px rgba(0, 0, 0, .6); }
.sec-einstieg .sb-icon { background: radial-gradient(circle at 35% 30%, #fbe3cf 0%, var(--bronze-2) 40%, var(--bronze) 100%); }
.sec-einstieg .section-banner { background: linear-gradient(135deg, #3b2213, #7a4524 70%, #95593a); }
.sec-pflicht .sb-icon { background: radial-gradient(circle at 35% 30%, #fff 0%, var(--silber-2) 40%, var(--silber) 100%); }
.sec-pflicht .section-banner { background: linear-gradient(135deg, #1d2b3d, #465569); }
.sec-profi .section-banner { background: linear-gradient(135deg, #3a2a08, #86621b 70%, #a47a22); }
.sec-profi .sb-icon { background: radial-gradient(circle at 35% 30%, #fff6d6 0%, var(--gold-medal-2) 40%, var(--gold-medal) 100%); }

/* ------------------------------------------------------------ Lektion als Folien */
.page-deck { margin-top: 0; padding-top: 20px; }
.deck { outline: none; overflow-x: clip; }   /* Einblenden von der Seite erzeugt sonst kurz eine Bildlaufleiste */
.sidebar-back { display: inline-flex; align-items: center; gap: 4px; margin: 0 8px 10px; font-size: .84rem; color: var(--muted); text-decoration: none; }
.sidebar-back:hover { color: var(--brand); }
/* schmale, dezente Folienleiste */
.slidebar { position: sticky; top: calc(var(--topbar-h) + 8px); z-index: 30; display: flex; align-items: center; gap: 4px; margin-bottom: 18px; padding: 4px;
  border-radius: 12px; background: color-mix(in srgb, var(--surface) 86%, transparent); backdrop-filter: blur(10px); border: 1px solid var(--border); box-shadow: var(--edge), var(--shadow-sm); }
.sl-btn { display: inline-flex; align-items: center; gap: 4px; height: 30px; min-width: 30px; justify-content: center; padding: 0 8px; border: 0; border-radius: 8px; background: none; color: var(--text-2); font: 600 .82rem var(--font); cursor: pointer; transition: background .15s, color .15s; }
.sl-btn:hover:not(:disabled) { background: var(--brand-soft); color: var(--brand); }
.sl-btn:disabled { opacity: .3; cursor: default; }
.sl-btn .icon { width: 16px; height: 16px; }
.sl-next { color: var(--brand); }
.sl-mid { flex: 1; min-width: 0; display: grid; gap: 3px; padding: 0 8px; }
.sl-pos { display: flex; align-items: baseline; gap: 8px; font-size: .76rem; color: var(--muted); white-space: nowrap; min-width: 0; }
.sl-pos strong { color: var(--text-2); font-variant-numeric: tabular-nums; }
.sl-title { overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.sl-pct { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--brand); }
.sl-track { height: 3px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.sl-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--teal), var(--gold-2)); transition: width .45s var(--ease); }
/* Folien */
.slide { min-height: 50vh; }
/* View Transitions: nur die sichtbare Folie wird animiert, der Rest der Seite bleibt stehen */
.slide:not([hidden]) { view-transition-name: folie; }
.slidebar { view-transition-name: folienleiste; }
::view-transition-old(root), ::view-transition-new(root) { animation: none; }
/* Wischen wie bei einer Präsentation: alte Folie gleitet hinaus, neue von der Seite herein, Höhe morpht mit */
::view-transition-group(folie) { animation-duration: .7s; animation-timing-function: cubic-bezier(.65, 0, .25, 1); }
::view-transition-image-pair(folie) { overflow: hidden; border-radius: 18px; }   /* bleibt in der Folienspalte */
::view-transition-old(folie), ::view-transition-new(folie) { height: auto; object-fit: none; object-position: top; }
::view-transition-old(folie) { animation: vt-raus-links .7s cubic-bezier(.65, 0, .25, 1) both; }
::view-transition-new(folie) { animation: vt-rein-rechts .7s cubic-bezier(.65, 0, .25, 1) both; }
:root[data-richtung="zurueck"]::view-transition-old(folie) { animation-name: vt-raus-rechts; }
:root[data-richtung="zurueck"]::view-transition-new(folie) { animation-name: vt-rein-links; }
@keyframes vt-raus-links { to { transform: translateX(-70%) scale(.94); opacity: 0; filter: blur(2px); } }
@keyframes vt-raus-rechts { to { transform: translateX(70%) scale(.94); opacity: 0; filter: blur(2px); } }
@keyframes vt-rein-rechts { from { transform: translateX(70%) scale(.94); opacity: 0; } }
@keyframes vt-rein-links { from { transform: translateX(-70%) scale(.94); opacity: 0; } }
::view-transition-group(folienleiste) { animation-duration: .7s; }
@media (prefers-reduced-motion: reduce) { ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; } }
.slide.in-right { animation: slideR .6s var(--ease); }
.slide.in-left { animation: slideL .6s var(--ease); }
@keyframes slideR { from { opacity: 0; transform: translateX(80px) scale(.97); } }
@keyframes slideL { from { opacity: 0; transform: translateX(-80px) scale(.97); } }
.slide > .prose:first-child > h2:first-child, .slide > .section-banner + .prose > h2:first-child { margin-top: 4px; }
.slide .task:first-of-type { margin-top: 8px; }
.slide-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--border); }
.sl-foot-next { max-width: 70%; min-width: 0; white-space: normal; text-align: left; line-height: 1.3; }
.chapter-end .chapter-nav .btn { white-space: normal; text-align: left; line-height: 1.3; }
.sl-foot-next .icon { flex: none; }
.slide-cover .slide-foot, .slide-end .slide-foot { border-top: 0; }
/* Deckblatt */
.cover { position: relative; overflow: hidden; padding: 56px 48px 44px; border-radius: 22px; color: #fff;
  background: radial-gradient(700px 320px at 90% -10%, rgba(21, 151, 184, .5), transparent 65%), radial-gradient(500px 260px at 0% 110%, rgba(21, 151, 184, .25), transparent 70%),
    linear-gradient(125deg, var(--navy-900) 0%, var(--navy-800) 45%, #0e4a6e 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), var(--shadow-lg); }
.cover::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px; mask-image: linear-gradient(90deg, transparent, #000 35%, #000 85%, transparent); }
.cover > * { position: relative; }
.cover-title { font: 800 clamp(2.2rem, 5.5vw, 3.6rem)/1.05 var(--display); letter-spacing: -.035em; margin: 22px 0 12px; max-width: 18ch; text-wrap: balance;
  background: linear-gradient(180deg, #fff 35%, #bfe3f2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cover-lead { max-width: 56ch; margin: 0; font-size: 1.12rem; color: rgba(255, 255, 255, .8); }
.cover .band-actions { margin-top: 30px; }
.cover-medals { display: grid; grid-template-columns: repeat(3, minmax(0, 170px)); gap: 16px; margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .12); }
.cover .medal-top strong { color: rgba(255, 255, 255, .85); }
.cover .medal-top span { color: rgba(255, 255, 255, .6); }
.cover .progress { background: rgba(255, 255, 255, .12); }
.slide-goals .goals { margin: 0; }
.toc-end { margin-top: 6px; }
@media (max-width: 600px) {
  .cover { padding: 36px 22px 28px; border-radius: 18px; }
  .cover-medals { grid-template-columns: 1fr; gap: 8px; }
  .sl-title { display: none; }
  .goals, .chapter-end { padding: 18px 16px; }
  .sl-foot-next .btn-text { display: none; }
  .slidebar { top: calc(var(--topbar-h) + 6px); }
  .page-deck { padding-top: 12px; }
}

/* Einstieg: Lernziele + Ablauf */
.goals { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 18px; margin: 0 0 34px; padding: 22px 24px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--surface-2)); border: 1px solid var(--border); box-shadow: var(--edge), var(--shadow); }
.goals h2 { display: flex; align-items: center; gap: 9px; margin: 0 0 10px; font-size: 1.25rem; }
.goals h2 .icon { color: var(--gold); }
.goals ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.goals li { display: flex; gap: 9px; align-items: flex-start; font-size: .96rem; }
.goals li .icon { color: var(--success); margin-top: 4px; width: 16px; height: 16px; }
.goals li code { font: .88em var(--mono); padding: .1em .35em; border-radius: 5px; background: var(--surface-3); }
.goals-path { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; counter-reset: gp; align-content: center; }
.goals-path li { counter-increment: gp; display: grid; grid-template-columns: 30px 1fr; column-gap: 10px; align-items: center; padding: 9px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); font-size: .88rem; }
.goals-path li::before { content: counter(gp); grid-row: span 2; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 800 .9rem var(--display); color: #fff; background: linear-gradient(150deg, #13517a, var(--navy-800)); }
.goals-path li.gp-bronze::before { background: radial-gradient(circle at 35% 30%, #fbe3cf 0%, var(--bronze-2) 40%, var(--bronze) 100%); color: #3b2213; }
.goals-path li.gp-silber::before { background: radial-gradient(circle at 35% 30%, #fff 0%, var(--silber-2) 40%, var(--silber) 100%); color: #243244; }
.goals-path li.gp-gold::before { background: radial-gradient(circle at 35% 30%, #fff6d6 0%, var(--gold-medal-2) 40%, var(--gold-medal) 100%); color: #3a2a08; }
.goals-path span { color: var(--muted); font-size: .82rem; }

/* Abschluss */
.chapter-end { margin-top: 20px; padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--edge), var(--shadow); }
.chapter-end h2 { margin: 0 0 14px; font-size: 1.35rem; }
.chapter-end > p { color: var(--muted); font-size: .92rem; }
/* Ich-kann-Liste auf der Abschlussfolie (Selbsteinschätzung, nicht bewertet) */
.ichkann { margin: 22px 0 6px; padding: 16px 18px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--border); }
.ichkann h3 { display: flex; align-items: center; gap: 8px; margin: 0 0 2px; font: 700 1.05rem/1.3 var(--display); color: var(--text); }
.ichkann h3 .icon { width: 20px; height: 20px; color: var(--teal); }
.ichkann-lead { margin: 0 0 10px; font-size: .86rem; color: var(--muted); }
.ichkann ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ichkann li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 14px; padding: 8px 10px;
  border-radius: 10px; background: var(--surface); border: 1px solid var(--border); }
.ik-text { flex: 1 1 260px; font-size: .93rem; color: var(--text); }
.ik-knoepfe { display: inline-flex; gap: 4px; flex: none; }
.ik-stufe { padding: 5px 10px; border-radius: 999px; font: 600 .78rem/1.2 var(--font); cursor: pointer; color: var(--text-2);
  background: transparent; border: 1px solid var(--border-strong); transition: background .15s, color .15s, border-color .15s; }
.ik-stufe:hover { border-color: var(--teal); }
.ik-sicher.aktiv { background: #147a4b; border-color: #147a4b; color: #fff; }
.ik-fast.aktiv { background: var(--gold-2); border-color: var(--gold-2); color: #1b1405; }
.ik-nochnicht.aktiv { background: var(--text-2); border-color: var(--text-2); color: var(--surface); }
.ichkann-hinweis { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0 0; font-size: .86rem; color: var(--text-2); }
.ichkann-hinweis[hidden] { display: none; }
.ichkann-hinweis .icon { width: 18px; height: 18px; flex: none; color: var(--gold); }
.chapter-end > p.end-skript { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.end-medals { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; }
.end-medals .medal-coin { width: 44px; height: 44px; }
.end-medals .medal-coin .icon { width: 24px; height: 24px; }
.chapter-end .chapter-nav { border-top: 1px solid var(--border); padding-top: 18px; margin-top: 8px; }

/* Fortschritt schwebend (Handy/Tablet) */
.medal-float { display: none; position: fixed; z-index: 45; right: max(14px, env(safe-area-inset-right)); bottom: calc(14px + env(safe-area-inset-bottom));
  gap: 10px; align-items: center; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); cursor: pointer;
  background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px); box-shadow: var(--shadow-lg); color: var(--text); font: 700 .82rem var(--font); }
.mf { display: inline-flex; align-items: center; gap: 4px; font-variant-numeric: tabular-nums; }
.mf .icon { width: 18px; height: 18px; }
.mf-bronze .icon { color: var(--bronze); } .mf-silber .icon { color: var(--silber); } .mf-gold .icon { color: var(--gold-medal); }
.mf.won { color: var(--success); }

/* Hinweis-Toast (Medaille, Speichern) */
.toast { position: fixed; z-index: 90; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; display: flex; align-items: center; gap: 10px;
  max-width: min(92vw, 520px); padding: 12px 18px; border-radius: 14px; background: var(--navy-800); color: #fff; font-weight: 600; font-size: .92rem;
  box-shadow: 0 18px 40px -12px rgba(4, 12, 22, .7), inset 0 1px 0 rgba(255, 255, 255, .12); transition: transform .4s var(--ease), opacity .3s; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast .icon { width: 22px; height: 22px; color: #43d68b; }
.toast.silber .icon { color: var(--silber-2); } .toast.gold .icon { color: var(--gold-2); }
.toast.bronze .icon { color: var(--bronze-2); }
.toast.gold { background: linear-gradient(135deg, #3a2a08, #86621b); }

/* ------------------------------------------------------------ Fließtext */
.prose { font-size: 1.03rem; }
.prose h2 { font-size: 1.7rem; margin: 2.4rem 0 .6rem; }
.prose h3 { font-size: 1.22rem; margin: 1.6rem 0 .4rem; }
.prose p { margin: .7rem 0; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .25rem 0; }
.prose code { font-family: var(--mono); font-size: .86em; padding: .12em .42em; border-radius: 6px; background: var(--surface-3); border: 1px solid var(--border); }
.prose pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; overflow: auto; font: 14px/1.55 var(--mono); }
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.prose table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .95rem; display: block; overflow-x: auto; background: var(--surface); border-radius: var(--radius-sm); }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.prose th { background: var(--surface-2); font-weight: 600; }
.prose blockquote { margin: 1rem 0; padding: .2rem 1rem; border-left: 4px solid var(--gold); color: var(--text-2); }
.prose > :first-child { margin-top: 0; }

/* ------------------------------------------------------------ Hinweisboxen */
/* Kurzvideo (::: video) */
.kurs-video { margin: 22px 0; padding: 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--edge), var(--shadow-sm); }
.kurs-video figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 2px 4px 12px; }
.kurs-video figcaption strong { font-family: var(--display); font-size: 1.08rem; color: var(--text); }
.kv-kicker { display: inline-flex; align-items: center; gap: 6px; font: 700 .72rem/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.kv-kicker .icon { width: 14px; height: 14px; }
.kv-start { position: relative; display: block; width: 100%; padding: 0; border: 0; border-radius: 10px; overflow: hidden; aspect-ratio: 16 / 9; background: #0b2a45; cursor: pointer; }
.kv-start img { display: block; width: 100%; height: 100%; object-fit: cover; }
.kv-play { position: absolute; inset: 0; margin: auto; width: 78px; height: 78px; display: grid; place-items: center; border-radius: 50%;
  background: rgba(11, 42, 69, .82); border: 2px solid var(--gold-2); color: #fff; box-shadow: 0 10px 30px -8px rgba(0, 0, 0, .6); transition: transform .2s, background .2s; }
.kv-play .icon { width: 34px; height: 34px; margin-left: 5px; }
.kv-start:hover .kv-play, .kv-start:focus-visible .kv-play { transform: scale(1.08); background: rgba(21, 151, 184, .9); }
.kv-start:focus-visible { outline: 3px solid var(--gold-2); outline-offset: 3px; }
.kurs-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 10px; background: #0b2a45; }
.kurs-video video::cue { font-family: var(--font); background: rgba(11, 42, 69, .85); color: #fff; }
.kurs-video .prose { margin: 10px 4px 0; font-size: .95rem; }
.kv-hinweis { margin: 8px 4px 0; font-size: .78rem; color: var(--muted); }
/* Stimmungsbild (::: bild): breiter Banner, 21:9 beschnitten, ruhig – kein Rahmen-Kasten, damit es den Text nicht „einklemmt“ */
.kurs-bild { margin: 18px 0 22px; }
.kurs-bild img { display: block; width: 100%; height: auto; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--radius); background: #0b2a45; box-shadow: var(--edge), var(--shadow-sm); }
.kurs-bild figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; margin: 8px 6px 0; font-size: .9rem; color: var(--muted); }
.kurs-bild figcaption .prose { margin: 0; font-size: .9rem; color: var(--muted); }
.kurs-bild figcaption .prose p { margin: 0; }
.kb-ki { margin-left: auto; font-size: .72rem; letter-spacing: .04em; white-space: nowrap; }
@media (max-width: 600px) { .kurs-bild img { aspect-ratio: 16 / 9; } }
.callout { display: flex; gap: 14px; padding: 16px 20px; margin: 20px 0; border-radius: var(--radius-sm); border: 1px solid; background: var(--surface); }
.callout-icon { width: 24px; height: 24px; flex: none; margin-top: 2px; }
.callout-icon .icon { width: 24px; height: 24px; }
.callout-body { min-width: 0; }
.callout-body > strong { display: block; margin-bottom: 2px; font-family: var(--display); }
.callout-body .prose { font-size: .98rem; }
.callout-body .prose p { margin: .3rem 0; }
.callout-info { background: var(--brand-soft); border-color: color-mix(in srgb, var(--brand) 25%, transparent); } .callout-info .callout-icon { color: var(--brand); }
.callout-merke { background: var(--gold-soft); border-color: color-mix(in srgb, var(--gold) 35%, transparent); } .callout-merke .callout-icon { color: var(--gold); }
.callout-achtung { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 25%, transparent); } .callout-achtung .callout-icon { color: var(--danger); }
.callout-tipp { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 25%, transparent); } .callout-tipp .callout-icon { color: var(--success); }

/* ------------------------------------------------------------ Impuls: zu zweit erklären */
.impuls { position: relative; display: flex; gap: 16px; margin: 24px 0; padding: 18px 20px; border-radius: 16px;
  background: linear-gradient(135deg, color-mix(in srgb, #7c5ce0 10%, var(--surface)), color-mix(in srgb, var(--teal) 10%, var(--surface)));
  border: 1.5px dashed color-mix(in srgb, #7c5ce0 45%, var(--border)); box-shadow: var(--edge), var(--shadow-sm); }
.impuls-icon { width: 44px; height: 44px; flex: none; border-radius: 14px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(150deg, #8b6cf0, #5a3fc4); box-shadow: 0 8px 18px -8px #5a3fc4; }
.impuls-icon .icon { width: 24px; height: 24px; }
.impuls-body { min-width: 0; flex: 1; }
.impuls-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.impuls-head strong { font: 700 1.05rem var(--display); }
.impuls-chip { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 99px; font-size: .74rem; font-weight: 700; color: #5a3fc4; background: color-mix(in srgb, #7c5ce0 14%, transparent); }
.impuls-chip .icon { width: 13px; height: 13px; }
.impuls .prose { font-size: .98rem; }
.impuls .prose p { margin: .35rem 0; }
.impuls-done { display: inline-flex; align-items: center; gap: 7px; margin-top: 4px; font-size: .84rem; color: var(--muted); cursor: pointer; }
.impuls-done input { accent-color: #7c5ce0; width: 16px; height: 16px; }
.impuls:has(.impuls-done input:checked) { border-style: solid; opacity: .75; }
:root[data-theme="dark"] .impuls-chip { color: #c4b2ff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .impuls-chip { color: #c4b2ff; } }

/* ------------------------------------------------------------ Befehlskarten (Vokabelheft) */
.befehl { margin: 18px 0; padding: 16px 18px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--gold); box-shadow: var(--shadow-sm); }
.befehl-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 8px; }
.befehl-badge { display: inline-flex; align-items: center; gap: 5px; font: 700 .7rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-text); }
.befehl-name { font: 700 1.05rem var(--mono); color: var(--text); }
.befehl-kap { margin-left: auto; font-size: .76rem; color: var(--muted); }
.befehl-syntax { margin: 0 0 8px; padding: 9px 14px; border-radius: 9px; background: var(--console-bg); color: #f3d98c; font: 600 14px/1.5 var(--mono); overflow-x: auto; }
.befehl .prose { font-size: .95rem; }
.befehl .prose p { margin: .3rem 0; }
.befehl-bsp { margin-top: 8px; }
.befehl-bsp span { font: 700 .68rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.befehl-bsp pre { margin: 5px 0 0; padding: 9px 14px; border-radius: 9px; background: var(--surface-2); border: 1px solid var(--border); font: 13.5px/1.5 var(--mono); overflow-x: auto; }

/* ------------------------------------------------------------ Code-Block */
.codeblock { margin: 20px 0 28px; border-radius: var(--radius); overflow: hidden; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); transition: box-shadow .35s var(--ease); }
.codeblock:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 22%, transparent), var(--shadow-lg); }
.cb-font { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: var(--surface); box-shadow: var(--edge); }
.cb-font-btn { border: 0; background: none; color: var(--text-2); font: 700 .74rem/1 var(--font); padding: 6px 8px; cursor: pointer; }
.cb-font-btn.big { font-size: .88rem; border-left: 1px solid var(--border); }
.cb-font-btn:hover { background: var(--brand-soft); color: var(--brand); }
.cb-head { display: flex; align-items: center; gap: 10px; padding: 8px 14px; background: linear-gradient(180deg, var(--surface), var(--surface-2)); border-bottom: 1px solid var(--border); min-height: 44px; }
.cb-dots { display: inline-flex; gap: 6px; }
.cb-dots i { width: 10px; height: 10px; border-radius: 50%; background: #f0625d; }
.cb-dots i:nth-child(2) { background: #f5c33b; }
.cb-dots i:nth-child(3) { background: #3cc36b; }
.cb-label { font: 600 .8rem var(--mono); color: var(--muted); letter-spacing: .01em; }
.cb-saved { display: inline-flex; align-items: center; gap: 5px; font-size: .76rem; color: var(--muted); }
.cb-actions { display: inline-flex; gap: 6px; }
.cb-editor { background: var(--editor-bg); }
.quick-run { background-image: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 60%);
  width: 32px; height: 32px; border-radius: 50%; border: 0; cursor: pointer; flex: none;
  display: grid; place-items: center; color: #fff; background: var(--success);
  box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--success) 70%, transparent); transition: background .25s, transform .1s;
}
.quick-run:hover { filter: brightness(1.08); }
.quick-run:active { transform: scale(.94); }
.quick-run .icon { width: 15px; height: 15px; }
.codeblock.lint-error .quick-run { background: #e2a21c; color: #2a1a00; box-shadow: 0 4px 12px -4px rgba(226, 162, 28, .7); }
.codeblock.busy .quick-run { background: var(--danger); color: #fff; box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--danger) 70%, transparent); }
.cb-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); background: var(--surface); }
.cb-status { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.cb-feedback { display: flex; gap: 12px; align-items: flex-start; padding: 13px 18px; border-top: 1px solid var(--border); font-size: .95rem; animation: fadein .35s ease; }
.cb-feedback .icon { width: 24px; height: 24px; margin-top: 1px; }
.cb-feedback.ok { background: var(--success-soft); color: var(--success); }
.cb-feedback.fail { background: var(--warn-soft); }
.cb-feedback.fail .icon, .cb-feedback.fail strong { color: var(--warn); }
.cb-feedback.fail div div { color: var(--text); margin-top: 2px; }
@keyframes fadein { from { opacity: 0; transform: translateY(-3px); } }

/* CodeMirror 6 */
.cb-editor .cm-editor { background: var(--editor-bg); color: var(--text); min-height: calc(var(--cm-min-lines, 4) * 1.65em + 20px); font-size: var(--code-size, 15px); }
.cb-editor .cm-editor.cm-focused { outline: none; }
.cb-editor .cm-scroller { font-family: var(--mono); line-height: 1.65; }
.cb-editor .cm-gutters { background: var(--editor-gutter); border-right: 1px solid var(--border); color: var(--muted); }
.cb-editor .cm-lineNumbers .cm-gutterElement { padding: 0 10px 0 14px; min-width: 42px; }
.cb-editor .cm-activeLineGutter { background: var(--editor-active); color: var(--text-2); }
.cb-editor .cm-activeLine { background-color: var(--editor-active); }
/* Blöcke (if/for/while/def …) farbig + Hilfslinien – Klassen cm-blk-N (Blocktiefe, --bN = Einrückung in Zeichen)
   und cm-ig-N (Anzahl Hilfslinien) kommen vom Editor. Jede Hilfslinie ist eine eigene, 1 px schmale Ebene am Anfang
   einer Einrückungsebene (Spalte 0, 4, 8 …), kräftiger im Einrückungsbereich. Bewusst keine repeating-gradients mit
   begrenzter Breite – die zeichnet Firefox fehlerhaft. Ebenen: Linien (--gl) über den Blockflächen (--bl), darunter das schwache Raster. */
.cb-editor .cm-editor { --pad: 10px; --guide: color-mix(in srgb, var(--border-strong) 70%, transparent);
  --guide-faint: color-mix(in srgb, var(--border-strong) 28%, transparent);
  --blk1: rgba(21, 151, 184, .10); --blk2: rgba(200, 150, 46, .13); --blk3: rgba(124, 92, 224, .11); --blk4: rgba(21, 151, 184, .15);
  --g1: linear-gradient(90deg, transparent calc(var(--pad) + 0ch), var(--guide) 0 calc(var(--pad) + 0ch + 1px), transparent 0);
  --g2: linear-gradient(90deg, transparent calc(var(--pad) + 4ch), var(--guide) 0 calc(var(--pad) + 4ch + 1px), transparent 0);
  --g3: linear-gradient(90deg, transparent calc(var(--pad) + 8ch), var(--guide) 0 calc(var(--pad) + 8ch + 1px), transparent 0);
  --g4: linear-gradient(90deg, transparent calc(var(--pad) + 12ch), var(--guide) 0 calc(var(--pad) + 12ch + 1px), transparent 0);
  --g5: linear-gradient(90deg, transparent calc(var(--pad) + 16ch), var(--guide) 0 calc(var(--pad) + 16ch + 1px), transparent 0);
  --g6: linear-gradient(90deg, transparent calc(var(--pad) + 20ch), var(--guide) 0 calc(var(--pad) + 20ch + 1px), transparent 0);
  --g7: linear-gradient(90deg, transparent calc(var(--pad) + 24ch), var(--guide) 0 calc(var(--pad) + 24ch + 1px), transparent 0);
  --g8: linear-gradient(90deg, transparent calc(var(--pad) + 28ch), var(--guide) 0 calc(var(--pad) + 28ch + 1px), transparent 0) }
.cb-editor .cm-line { padding-left: var(--pad) !important; background-image: var(--gl, none), var(--bl, none);
  background-size: 100% 100%; background-position: 0 0; background-repeat: no-repeat; }
/* Unter allen Zeilen: Raster alle 4 Zeichen ab Spalte 0, ganz schwach (stört im Code nicht). Als Kachel auf dem
   Inhalt statt je Zeile – so passt die Ebenen-Zahl der Zeilen immer, und Firefox zeichnet es sauber. */
.cb-editor .cm-content { background-image: linear-gradient(90deg, var(--guide-faint) 0 1px, transparent 1px);
  background-size: 4ch 100%; background-position: var(--pad) 0; background-repeat: repeat; }
.cb-editor .cm-ig-1 { --gl: var(--g1); }
.cb-editor .cm-ig-2 { --gl: var(--g1), var(--g2); }
.cb-editor .cm-ig-3 { --gl: var(--g1), var(--g2), var(--g3); }
.cb-editor .cm-ig-4 { --gl: var(--g1), var(--g2), var(--g3), var(--g4); }
.cb-editor .cm-ig-5 { --gl: var(--g1), var(--g2), var(--g3), var(--g4), var(--g5); }
.cb-editor .cm-ig-6 { --gl: var(--g1), var(--g2), var(--g3), var(--g4), var(--g5), var(--g6); }
.cb-editor .cm-ig-7 { --gl: var(--g1), var(--g2), var(--g3), var(--g4), var(--g5), var(--g6), var(--g7); }
.cb-editor .cm-ig-8 { --gl: var(--g1), var(--g2), var(--g3), var(--g4), var(--g5), var(--g6), var(--g7), var(--g8); }
.cb-editor .cm-blk-1 { --bl: linear-gradient(90deg, transparent calc(var(--pad) + var(--b1) - 5px), var(--blk1) 0); }
.cb-editor .cm-blk-2 { --bl: linear-gradient(90deg, transparent calc(var(--pad) + var(--b2) - 5px), var(--blk2) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b1) - 5px), var(--blk1) 0); }
.cb-editor .cm-blk-3 { --bl: linear-gradient(90deg, transparent calc(var(--pad) + var(--b3) - 5px), var(--blk3) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b2) - 5px), var(--blk2) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b1) - 5px), var(--blk1) 0); }
.cb-editor .cm-blk-4 { --bl: linear-gradient(90deg, transparent calc(var(--pad) + var(--b4) - 5px), var(--blk4) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b3) - 5px), var(--blk3) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b2) - 5px), var(--blk2) 0), linear-gradient(90deg, transparent calc(var(--pad) + var(--b1) - 5px), var(--blk1) 0); }
:root[data-theme="dark"] .cb-editor .cm-editor { --blk1: rgba(79, 179, 224, .11); --blk2: rgba(230, 181, 79, .12); --blk3: rgba(164, 135, 243, .13); --blk4: rgba(79, 179, 224, .16); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cb-editor .cm-editor { --blk1: rgba(79, 179, 224, .11); --blk2: rgba(230, 181, 79, .12); --blk3: rgba(164, 135, 243, .13); --blk4: rgba(79, 179, 224, .16); } }
/* Cursor wie in der Linux-Konsole (Betreiber 05.10.2026): kräftiger Balken, weiß im dunklen Editor (hell: Textfarbe),
   hartes An/Aus im festen 1-s-Takt (0,5 s an, 0,5 s aus) statt weichem Pulsieren. CodeMirror wechselt beim Tippen zwischen
   cm-blink/cm-blink2 (Neustart, Cursor bleibt beim Schreiben sichtbar) – wir spiegeln das mit zwei gleichen Kurven. */
.cb-editor .cm-cursor { border-left: 2px solid var(--text); margin-left: -1px; }
:root[data-theme="dark"] .cb-editor .cm-cursor { border-left-color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cb-editor .cm-cursor { border-left-color: #fff; } }
.cb-editor .cm-cursorLayer { animation-name: kurs-blink !important; animation-duration: 1s !important; animation-timing-function: steps(1, end) !important; }
.cb-editor .cm-cursorLayer[style*="cm-blink2"] { animation-name: kurs-blink2 !important; }
@keyframes kurs-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
@keyframes kurs-blink2 { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
.cb-editor .cm-selectionBackground { background: color-mix(in srgb, var(--teal) 20%, transparent) !important; }
.cb-editor .cm-editor.cm-focused .cm-selectionBackground { background: color-mix(in srgb, var(--teal) 32%, transparent) !important; }
.cb-editor .cm-matchingBracket { background: color-mix(in srgb, var(--gold-2) 38%, transparent); outline: none; border-radius: 2px; }
.cb-editor .cm-nonmatchingBracket { background: var(--danger-soft); color: var(--danger); }
.cb-editor .cm-selectionMatch { background: color-mix(in srgb, var(--gold-2) 20%, transparent); }
/* Schritt für Schritt: Pfeil = kommt als Nächstes, blass = gerade ausgeführt */
.codeblock.stepping .cm-editor { --pad: 26px; }
.cb-editor .cm-step-next { position: relative; background-color: color-mix(in srgb, var(--gold-2) 26%, transparent) !important; box-shadow: inset 3px 0 0 var(--gold); }
.cb-editor .cm-step-next::before { content: "➜"; position: absolute; left: 6px; top: 0; color: var(--gold); font-weight: 700; }
/* Beim Schrittbetrieb Ruhe im Bild: kein wippender Pfeil, kein blinkender Cursor (Editor ist ohnehin schreibgeschützt),
   keine wandernde Laufleiste – die Zeilenmarkierung allein zeigt, wo das Programm steht (Rückmeldung 05.10.2026). */
.codeblock.stepping .cb-editor .cm-cursorLayer { display: none; }
.codeblock.stepping .console-runbar { animation: none !important; background: var(--teal); opacity: .6; }
.cb-editor .cm-step-prev { background-color: color-mix(in srgb, var(--teal) 12%, transparent) !important; box-shadow: inset 3px 0 0 color-mix(in srgb, var(--teal) 55%, transparent); }
.codeblock.stepping .cb-editor .cm-content { cursor: default; }
.step-ctl { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.step-speed-wrap { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); }
.step-speed-wrap .icon { width: 16px; height: 16px; }
.step-speed { width: 70px; accent-color: var(--teal); }
.codeblock.stepping .cb-toolbar .btn { min-height: 34px; padding: 6px 12px; font-size: .86rem; border-radius: 10px; }
.btn-step .icon { color: var(--gold); }
.btn-next:focus-visible { outline: 3px solid var(--gold-2); outline-offset: 2px; }
/* Variablen-Fenster (Trace-Tabelle) in der Konsole */
.watch { border-bottom: 1px solid rgba(255, 255, 255, .08); background: rgba(255, 255, 255, .025); font-family: var(--font); }
.watch-head { display: flex; align-items: center; gap: 4px; padding: 6px 12px 0; }
.watch-tab { border: 0; background: none; color: var(--console-muted); font: 700 .7rem/1 var(--font); letter-spacing: .1em; text-transform: uppercase; padding: 7px 10px; border-radius: 7px 7px 0 0; cursor: pointer; }
.watch-tab.active { color: var(--console-text); background: rgba(255, 255, 255, .06); box-shadow: inset 0 -2px 0 var(--gold-2); }
.watch-info { margin-left: auto; font-size: .76rem; color: var(--gold-2); font-variant-numeric: tabular-nums; }
.watch-body { max-height: 190px; overflow: auto; padding: 6px 12px 10px; }
.watch-table { width: 100%; border-collapse: collapse; font: calc(var(--code-size, 15px) - 2px)/1.45 var(--mono); }
.watch-table th { text-align: left; font: 700 .66rem/1 var(--font); letter-spacing: .08em; text-transform: uppercase; color: var(--console-muted); padding: 4px 8px; position: sticky; top: 0; background: var(--console-bg); }
.watch-table td { padding: 3px 8px; border-bottom: 1px solid rgba(255, 255, 255, .05); vertical-align: top; }
.w-name { color: #9fd6ff; font-weight: 600; white-space: nowrap; width: 1%; }
.w-type { color: var(--console-muted); font-size: .85em; white-space: nowrap; width: 1%; }
.w-val { color: var(--console-text); word-break: break-word; }
.w-empty { color: var(--console-muted); font-style: italic; }
.w-scope { margin: 6px 0 2px; font: 700 .66rem/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--gold-2); }
.watch-table tr.chg td { animation: chg 1.4s ease-out; }
.watch-table tr.chg .w-val { color: #ffe08a; font-weight: 600; }
@keyframes chg { 0% { background: rgba(230, 181, 79, .35); } 100% { background: transparent; } }
.cb-sandbox .watch-body { max-height: 38vh; }
.cb-editor .cm-error-line { background-color: color-mix(in srgb, var(--danger) 12%, transparent) !important; box-shadow: inset 3px 0 0 var(--danger); }
.cb-editor .cm-gutter-lint { width: 16px; }
.cb-editor .cm-lint-marker { width: 12px; height: 12px; }
.cb-editor .cm-lintRange-error { background-image: none; text-decoration: underline wavy var(--danger); text-decoration-skip-ink: none; text-underline-offset: 3px; }
.cb-editor .cm-lintRange-warning { background-image: none; text-decoration: underline wavy var(--warn); text-decoration-skip-ink: none; text-underline-offset: 3px; }
.cb-editor .cm-panels { background: var(--surface-2); color: var(--text); border-bottom: 1px solid var(--border); }
.cb-editor .cm-panels input, .cb-editor .cm-panels button { font: inherit; font-size: .85rem; }
.cb-editor .cm-textfield { border: 1px solid var(--border-strong); border-radius: 6px; background: var(--surface); color: var(--text); padding: 3px 6px; }
.cb-editor .cm-button { background: var(--surface); border: 1px solid var(--border-strong); border-radius: 6px; color: var(--text); background-image: none; }
.cb-editor .cm-searchMatch { background: color-mix(in srgb, var(--gold-2) 35%, transparent); }
/* Syntax-Farben */
.tk-keyword { color: #9a36c8; font-weight: 600; }
.tk-string { color: #13824a; }
.tk-number { color: #c05f10; }
.tk-comment { color: #5f6f85; }   /* nicht kursiv: JetBrains Mono kursiv ist nicht geladen (sonst künstliche Schräge) */
.tk-call, .tk-builtin { color: #0f6c9c; }
.tk-def { color: #0a7d8c; font-weight: 600; }
.tk-operator { color: #b34794; }
.tk-property { color: #2b6f9c; }
.tk-meta { color: #b0791b; }
.tk-bracket { color: var(--text-2); }
:root[data-theme="dark"] .tk-keyword { color: #d59bf6; } :root[data-theme="dark"] .tk-string { color: #8fdc92; }
:root[data-theme="dark"] .tk-number { color: #f5a55d; } :root[data-theme="dark"] :is(.tk-call, .tk-builtin) { color: #7cc4ef; }
:root[data-theme="dark"] .tk-def { color: #5fd3de; } :root[data-theme="dark"] .tk-operator { color: #f08fd2; }
:root[data-theme="dark"] .tk-comment { color: #6f829a; } :root[data-theme="dark"] .tk-property { color: #9ccbee; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tk-keyword { color: #d59bf6; } :root:not([data-theme="light"]) .tk-string { color: #8fdc92; }
  :root:not([data-theme="light"]) .tk-number { color: #f5a55d; } :root:not([data-theme="light"]) :is(.tk-call, .tk-builtin) { color: #7cc4ef; }
  :root:not([data-theme="light"]) .tk-def { color: #5fd3de; } :root:not([data-theme="light"]) .tk-operator { color: #f08fd2; }
  :root:not([data-theme="light"]) .tk-comment { color: #6f829a; } :root:not([data-theme="light"]) .tk-property { color: #9ccbee; }
}

/* Tooltips: Vorschläge, Signaturhilfe, Hilfe, Linter */
.cm-tooltip { border: 1px solid var(--border) !important; background: var(--surface) !important; color: var(--text); border-radius: 11px; box-shadow: var(--shadow-lg); font-family: var(--font); }
.cm-tooltip-autocomplete { overflow: hidden; }
.cm-tooltip-autocomplete > ul { font-family: var(--mono) !important; font-size: 13.5px; max-height: 16em !important; min-width: 220px; padding: 4px !important; }
.cm-tooltip-autocomplete > ul > li { padding: 4px 10px !important; border-radius: 7px; line-height: 1.5; }
.cm-tooltip-autocomplete > ul > li[aria-selected] { background: var(--brand) !important; color: #fff !important; }
.cm-completionDetail { color: var(--muted); font-style: normal !important; margin-left: .6em; }
li[aria-selected] .cm-completionDetail { color: rgba(255, 255, 255, .8); }
.cm-completionMatchedText { text-decoration: none !important; font-weight: 700; }
.cm-tooltip.cm-completionInfo { padding: 10px 12px !important; max-width: 380px; }
.cm-doc { white-space: pre-wrap; font-size: 12.5px; line-height: 1.5; color: var(--text-2); max-height: 220px; overflow: auto; }
.cm-signature { padding: 8px 12px; max-width: 520px; }
.cm-sig-line { font: 13.5px/1.5 var(--mono); color: var(--text-2); }
.cm-sig-name { color: var(--brand); font-weight: 700; }
.cm-sig-active { color: var(--navy-900); background: var(--gold-soft); border-radius: 4px; padding: 0 3px; box-shadow: inset 0 -2px 0 var(--gold-2); }
:root[data-theme="dark"] .cm-sig-active { color: #fff; }
.cm-sig-doc { margin-top: 5px; padding-top: 5px; border-top: 1px dashed var(--border); font-size: 12.5px; color: var(--muted); white-space: pre-wrap; }
.cm-hover { padding: 9px 12px; max-width: 480px; }
.cm-hover-title { font: 600 13px/1.5 var(--mono); color: var(--brand); }
.cm-hover-doc { margin-top: 5px; font-size: 12.5px; line-height: 1.5; color: var(--text-2); white-space: pre-wrap; max-height: 200px; overflow: auto; }
.cm-diagnostic { padding: 8px 12px 8px 14px !important; font-size: 13px; line-height: 1.45; max-width: 460px; }
.cm-diagnostic-error { border-left-color: var(--danger) !important; }
.cm-diagnostic-warning { border-left-color: var(--warn) !important; }
.cm-diagnosticSource { font-size: 11px; opacity: .6; }

/* Konsole */
.console { background: var(--console-bg); color: var(--console-text); font: calc(var(--code-size, 15px) - 1px)/1.6 var(--mono); }
.console-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 16px; background: var(--console-head); }
.console-title { display: inline-flex; align-items: center; gap: 7px; font: 700 .7rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--console-muted); }
.console-clear { background: none; border: 0; color: var(--console-muted); font: .76rem var(--font); cursor: pointer; padding: 2px 6px; border-radius: 5px; }
.console-clear:hover { color: var(--console-text); background: rgba(255, 255, 255, .06); }
/* ruhige Lauf-Anzeige: sanfte Linie statt Kreisel */
.console-runbar { height: 2px; }
.codeblock.running .console-runbar { background: linear-gradient(90deg, transparent, var(--teal), var(--gold-2), transparent) no-repeat; background-size: 45% 100%; animation: runbar 2.8s ease-in-out infinite; }
.codeblock.waiting .console-runbar { animation: none; background: var(--teal); opacity: .6; }
@keyframes runbar { 0% { background-position: -60% 0; } 100% { background-position: 160% 0; } }
.console-out { min-height: 56px; max-height: 380px; overflow: auto; padding: 12px 18px 14px; white-space: pre-wrap; word-break: break-word; }
.console-out:empty::before { content: ">>>  Strg+Enter oder „Ausführen“"; color: var(--console-muted); }
.co-stderr { color: #ff9f93; }
.co-echo { color: #9fd6ff; }
.co-note { color: var(--console-muted); font-style: italic; }
.co-img { display: block; max-width: 100%; margin: 8px 0; border-radius: 10px; background: #fff; }
.co-error { margin-top: 8px; padding: 11px 13px; border-radius: 10px; background: rgba(240, 106, 106, .1); border: 1px solid rgba(240, 106, 106, .35); font-family: var(--font); white-space: normal; animation: fadein .3s ease; }
.co-error.stopped { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .15); }
.co-error-title { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #ff9f93; }
.co-error.stopped .co-error-title { color: var(--console-text); }
.co-error-line { margin-left: auto; font: 600 .76rem var(--mono); padding: 2px 9px; border-radius: 99px; background: rgba(240, 106, 106, .2); }
.co-error-text { font: 13.5px/1.5 var(--mono); color: #ffd3cd; margin-top: 4px; }
.co-error-hint { display: flex; gap: 8px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed rgba(240, 106, 106, .3); color: var(--console-text); font-size: .9rem; line-height: 1.5; }
.co-error-hint .icon { color: var(--gold-2); margin-top: 2px; }
.console-input-line { display: flex; align-items: center; gap: 8px; margin: 2px 0; padding: 5px 9px; border-radius: 9px; background: rgba(21, 151, 184, .14); border: 1px solid rgba(21, 151, 184, .45); }
.console-input-line .prompt { color: var(--teal); font-weight: 700; }
.console-input { flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: #fff; font: inherit; caret-color: var(--gold-2); }
.console-input-hint { font: .72rem var(--font); color: var(--console-muted); }

/* ------------------------------------------------------------ Übungen (alle Typen) */
.task { position: relative; margin: 26px 0 34px; padding: 20px 24px 12px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--edge), var(--shadow); transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.task::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 4px; border-radius: var(--radius) var(--radius) 0 0; background: linear-gradient(90deg, #aeb9c7, #7c8a9d); }
.task.lvl-einstieg::before { background: linear-gradient(90deg, var(--bronze-2), var(--bronze)); }
.task.lvl-profi::before { background: linear-gradient(90deg, var(--gold-medal-2), var(--gold-medal)); }
.task.lvl-check::before { background: linear-gradient(90deg, var(--bronze-2), var(--bronze)); }
.task.lvl-check { background: linear-gradient(170deg, var(--surface), var(--bronze-soft) 200%); }
.task:hover { box-shadow: var(--edge), var(--shadow-lg); }
.task.solved::before { background: linear-gradient(90deg, #3cc98a, var(--success)); }
.task .codeblock { margin-bottom: 14px; box-shadow: var(--shadow-sm); }
.task-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 6px; }
.task-title { margin: 0 0 6px; font-size: 1.26rem; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px 4px 8px; border-radius: 99px; font: 700 .72rem/1.3 var(--font); letter-spacing: .06em; text-transform: uppercase; box-shadow: var(--edge); }
.badge .icon { width: 15px; height: 15px; }
.badge-pflicht { background: var(--silber-soft); color: #4f5d70; border: 1px solid color-mix(in srgb, var(--silber) 35%, transparent); }
.badge-pflicht .icon { color: var(--silber); }
.badge-profi { background: var(--gold-soft); color: #8a6414; border: 1px solid color-mix(in srgb, var(--gold) 35%, transparent); }
.badge-profi .icon { color: var(--gold-medal); }
.badge-einstieg { background: var(--bronze-soft); color: #8a4f2b; border: 1px solid color-mix(in srgb, var(--bronze) 35%, transparent); }
.badge-einstieg .icon { color: var(--bronze); }
.badge-check { background: var(--bronze-soft); color: #8a4f2b; border: 1px solid color-mix(in srgb, var(--bronze) 35%, transparent); }
.badge-check .icon { color: var(--bronze); }
/* Haken im Inhaltsverzeichnis in Medaillenfarbe: Ring = offen, gefüllt = gelöst */
.toc-item.m-bronze .toc-dot { border-color: var(--bronze-2); }
.toc-item.m-silber .toc-dot { border-color: var(--silber-2); }
.toc-item.m-gold .toc-dot { border-color: var(--gold-medal-2); }
.toc-item.solved.m-bronze .toc-dot { background: radial-gradient(circle at 35% 30%, #f3c9a6, var(--bronze)); border-color: var(--bronze); color: #fff; }
.toc-item.solved.m-silber .toc-dot { background: radial-gradient(circle at 35% 30%, #fff, var(--silber)); border-color: var(--silber); color: #1f2c3b; }
.toc-item.solved.m-gold .toc-dot { background: radial-gradient(circle at 35% 30%, #fff3c4, var(--gold-medal)); border-color: var(--gold-medal); color: #3a2a08; }
.toc-item.solved .toc-dot { box-shadow: 0 2px 5px -2px rgba(8, 29, 51, .5); animation: pop .4s var(--ease); }
:root[data-theme="dark"] .badge-pflicht { color: var(--silber-2); } :root[data-theme="dark"] .badge-einstieg, :root[data-theme="dark"] .badge-check { color: var(--bronze-2); } :root[data-theme="dark"] .badge-profi { color: var(--gold-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .badge-pflicht { color: var(--silber-2); } :root:not([data-theme="light"]) .badge-einstieg, :root:not([data-theme="light"]) .badge-check { color: var(--bronze-2); } :root:not([data-theme="light"]) .badge-profi { color: var(--gold-2); } }
.task-type { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 650; color: var(--text-2); }
.task-type .icon { width: 19px; height: 19px; color: var(--brand); }
.stars { color: var(--gold-medal); letter-spacing: 1px; font-size: .9rem; }
.stars-off { color: var(--border-strong); }
.task-solved { display: none; margin-left: auto; align-items: center; gap: 5px; padding: 4px 12px 4px 9px; border-radius: 99px; background: linear-gradient(180deg, #2bb56e, var(--success)); color: #fff; font-size: .78rem; font-weight: 700; box-shadow: 0 4px 10px -4px var(--success); }
.task.solved .task-solved { display: inline-flex; animation: pop .45s var(--ease); }
@keyframes pop { 0% { transform: scale(.6); opacity: 0; } 60% { transform: scale(1.1); } }
.task.just-solved { animation: solved .9s var(--ease); }
@keyframes solved { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--success) 45%, transparent); } 100% { box-shadow: 0 0 0 20px transparent; } }

/* statischer Code (Vorhersage, Lückentext, Puzzle) */
.code-static { margin: 12px 0; padding: 12px 16px; border-radius: 12px; background: var(--editor-bg); border: 1px solid var(--border); font: var(--code-size, 15px)/1.65 var(--mono); overflow-x: auto; white-space: pre; box-shadow: inset 0 1px 3px rgba(8, 29, 51, .05); }
.predict-label { display: flex; align-items: center; gap: 7px; margin: 14px 0 6px; font-size: .85rem; font-weight: 650; color: var(--text-2); }
.predict-input { width: 100%; padding: 10px 14px; border-radius: 12px; border: 1.5px solid var(--border-strong); resize: vertical;
  background: var(--console-bg); color: var(--console-text); caret-color: var(--gold-2); font: var(--code-size, 15px)/1.6 var(--mono); }
.predict-input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 25%, transparent); }
.predict-input::placeholder { color: var(--console-muted); }
.gap { box-sizing: content-box; font: inherit; padding: 0 5px; margin: 0 1px; border: 0; border-bottom: 2px solid var(--brand); border-radius: 5px 5px 0 0; background: var(--brand-soft); color: var(--text); min-width: 2ch; transition: background .2s, border-color .2s; }
.gap:focus { outline: none; background: color-mix(in srgb, var(--gold-2) 25%, var(--surface)); border-color: var(--gold); }
.gap.right { background: var(--success-soft); border-color: var(--success); }
.gap.wrong { background: var(--danger-soft); border-color: var(--danger); animation: shake .35s; }
.puzzle-hint { display: flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--muted); margin: 8px 0; }
.puzzle { list-style: none; margin: 8px 0 14px; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; counter-reset: pz; }   /* Spalte nie breiter als die Karte (iPhone) */
.pz-line { counter-increment: pz; display: flex; align-items: center; gap: 10px; padding: 6px 8px 6px 10px; border-radius: 11px; cursor: grab;
  background: var(--editor-bg); border: 1.5px solid var(--border); box-shadow: var(--edge), var(--shadow-sm); transition: transform .2s var(--ease), box-shadow .2s, border-color .2s; }
.pz-line::before { content: counter(pz); width: 1.6em; font: 600 .75rem var(--mono); color: var(--muted); text-align: right; }
.pz-line:hover { transform: translateX(2px); box-shadow: var(--edge), var(--shadow); border-color: var(--border-strong); }
.pz-line.dragging { opacity: .55; transform: scale(1.02); box-shadow: var(--shadow-lg); cursor: grabbing; }
.pz-line code { flex: 1; min-width: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: var(--code-size, 15px)/1.5 var(--mono); }   /* lange Zeilen umbrechen statt abschneiden */
.pz-grip { color: var(--muted); display: inline-flex; }
.pz-btns { display: inline-flex; gap: 2px; }
.pz-btns button { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text-2); cursor: pointer; }
.pz-btns button:hover { background: var(--brand-soft); color: var(--brand); }
.pz-line.right { border-color: var(--success); background: var(--success-soft); }
.pz-line.wrong { border-color: var(--danger); background: var(--danger-soft); }
.ex-feedback { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .94rem; }
.ex-feedback .icon { width: 20px; height: 20px; flex: none; }
.ex-feedback.ok { color: var(--success); } .ex-feedback.fail { color: var(--warn); } .ex-feedback.hint { color: var(--muted); font-weight: 500; }
.ex-feedback code { font: .9em var(--mono); }
.ex-feedback small { display: block; margin-top: 4px; font: 500 .74rem var(--mono); color: var(--muted); }
.run-out { margin-top: 12px; }
.run-input { min-width: 16ch; margin: 2px 0; padding: 2px 8px; border: 1px solid rgba(21, 151, 184, .45); border-radius: 7px; background: rgba(21, 151, 184, .14); color: #fff; font: inherit; caret-color: var(--gold-2); outline: 0; }
.run-input::placeholder { color: var(--console-muted); }
.run-echo { color: #9fd6ff; }
/* Schildkröte: Zeichenfläche wie Karopapier, Ziel grau, eigene Linien animiert */
.co-turtle { margin: 8px 0; }
.turtle-svg { display: block; width: 100%; max-height: 340px; background: #fdfefe; border-radius: 12px; border: 1px solid var(--border); }
.turtle-svg.klein { max-height: 240px; }
.tg-grid { stroke: #e3eaf1; stroke-width: 1; }
.tg-axis { stroke: #cfd9e3; stroke-width: 1.2; }
.tg-ziel line { stroke: #b9c4d1; stroke-width: 9; opacity: .75; }
.tg-shell { fill: #2e9e5b; stroke: #1c6e3d; stroke-width: 1.5; }
.tg-head { fill: #45b86f; }
@keyframes tg-draw { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }
@keyframes tg-show { from { opacity: 0; } }
.ziel-bild { margin: 12px 0; border-radius: 12px; overflow: hidden; background: var(--console-bg); }
.ziel-bild .turtle-svg { border: 0; border-radius: 0; }
.ziel-leer { display: grid; place-items: center; height: 120px; }
:root[data-theme="dark"] .turtle-svg { background: #0f1d2c; } :root[data-theme="dark"] .tg-grid { stroke: #1b2c3f; } :root[data-theme="dark"] .tg-axis { stroke: #2a4058; } :root[data-theme="dark"] .tg-ziel line { stroke: #3a5068; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .turtle-svg { background: #0f1d2c; } :root:not([data-theme="light"]) .tg-grid { stroke: #1b2c3f; } :root:not([data-theme="light"]) .tg-axis { stroke: #2a4058; } :root:not([data-theme="light"]) .tg-ziel line { stroke: #3a5068; } }
/* Zuordnen */
.zo-list { display: grid; gap: 8px; margin: 12px 0 14px; }
.zo-row { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 10px; align-items: center; padding: 8px 12px; border-radius: 12px; border: 1.5px solid var(--border); background: var(--surface-2); box-shadow: var(--edge); transition: border-color .2s, background .2s; }
.zo-left code { font: var(--code-size, 15px) var(--mono); background: none; border: 0; padding: 0; }
.zo-arrow { color: var(--muted); display: inline-flex; }
.zo-select { width: 100%; padding: 8px 10px; border-radius: 9px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: calc(var(--code-size, 15px) - 1px) var(--mono); cursor: pointer; }
.zo-row.right { border-color: var(--success); background: var(--success-soft); }
.zo-row.wrong { border-color: var(--danger); background: var(--danger-soft); animation: shake .35s; }
/* Fehler finden */
.fs-list { list-style: none; margin: 8px 0 14px; padding: 6px 0; border-radius: 12px; background: var(--editor-bg); border: 1px solid var(--border); counter-reset: fs; }
.fs-line { counter-increment: fs; display: flex; gap: 12px; padding: 3px 14px 3px 0; cursor: pointer; border-left: 3px solid transparent; transition: background .15s; }
.fs-line::before { content: counter(fs); width: 2.2em; text-align: right; color: var(--muted); font: .8rem/1.9 var(--mono); flex: none; }
.fs-line code { font: var(--code-size, 15px)/1.65 var(--mono); white-space: pre; overflow-x: auto; }
.fs-line:hover { background: color-mix(in srgb, var(--teal) 8%, transparent); }
.fs-line:focus-visible { outline: 2px solid var(--teal); outline-offset: -2px; }
.fs-line.chosen { background: color-mix(in srgb, var(--gold-2) 22%, transparent); border-left-color: var(--gold); }
.fs-line.right { background: var(--success-soft); border-left-color: var(--success); }
.fs-line.wrong { background: var(--danger-soft); border-left-color: var(--danger); animation: shake .35s; }
.run-err { margin: 0 12px 12px; padding: 10px 12px; border-radius: 10px; background: rgba(240, 106, 106, .1); border: 1px solid rgba(240, 106, 106, .35); color: var(--console-text); font-size: .9rem; line-height: 1.5; }
.run-err strong { display: flex; align-items: center; gap: 6px; color: #ff9f93; }
.run-err-text { font: 13px/1.5 var(--mono); color: #ffd3cd; margin: 2px 0 6px; }
.run-err div .icon { color: var(--gold-2); margin-right: 6px; }
.spinner.sm { width: 14px; height: 14px; border-width: 2px; }
.help-nudge { display: flex; align-items: center; gap: 8px; margin: 10px 0 0; padding: 9px 14px; border-radius: 11px; background: var(--gold-soft); color: var(--text); font-size: .9rem; font-weight: 600; animation: fadein .35s ease; }
.help-nudge .icon { color: var(--gold); }
.tip.solution { margin-bottom: 14px; border-style: solid; }
.tip.solution summary .icon { color: var(--brand); }
.solution-note { font-size: .88rem; color: var(--muted); }
.linkish { margin-left: 6px; border: 0; background: none; color: var(--brand); font: inherit; font-weight: 700; text-decoration: underline; cursor: pointer; padding: 0; }
.tips { display: grid; gap: 8px; margin: 12px 0 4px; }
.tip { border: 1px dashed var(--border-strong); border-radius: 12px; background: var(--surface-2); }
.tip summary { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 9px 14px; font-weight: 600; font-size: .92rem; color: var(--text-2); list-style: none; }
.tip summary::-webkit-details-marker { display: none; }
.tip summary .icon { color: var(--gold); }
.tip[open] summary { border-bottom: 1px dashed var(--border-strong); }
.tip .prose { padding: 4px 16px 10px; font-size: .96rem; }
.expected { margin: 14px 0; border-radius: 12px; overflow: hidden; background: var(--console-bg); }
.expected-label { padding: 7px 14px; background: var(--console-head); color: var(--console-muted); font: 700 .68rem/1.4 var(--font); letter-spacing: .12em; text-transform: uppercase; }
/* gilt in- und außerhalb des Aufgabentextes (z. B. „Tatsächliche Ausgabe“) – helle Schrift auf dunklem Grund */
.expected { color: var(--console-text); }
.expected pre, .prose .expected pre { margin: 0; padding: 10px 16px 12px; background: transparent; border: 0; border-radius: 0; color: var(--console-text); font: calc(var(--code-size, 15px) - 1px)/1.55 var(--mono); white-space: pre-wrap; }

/* ------------------------------------------------------------ Quiz */
.quiz-multi { font-size: .85rem; color: var(--muted); margin: 4px 0 10px; }
.quiz-options { display: grid; gap: 10px; margin: 12px 0 16px; }
.quiz-option { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 12px; cursor: pointer; border: 1.5px solid var(--border); background: var(--surface-2); box-shadow: var(--edge); transition: border-color .15s, background .15s, transform .2s var(--ease), box-shadow .2s; }
.quiz-option:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--edge), var(--shadow-sm); }
.quiz-option input { position: absolute; opacity: 0; pointer-events: none; }
.qo-mark { width: 20px; height: 20px; flex: none; border-radius: 50%; border: 2px solid var(--border-strong); background: var(--surface); transition: all .15s; }
.quiz-option input[type="checkbox"] + .qo-mark { border-radius: 6px; }
.quiz-option:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); }
.quiz-option input:checked + .qo-mark { border-color: var(--brand); background: var(--brand); box-shadow: inset 0 0 0 3px var(--surface); }
.quiz-option:has(input:focus-visible) { outline: 2.5px solid var(--teal); outline-offset: 2px; }
.quiz-option.correct { border-color: var(--success) !important; background: var(--success-soft) !important; }
.quiz-option.correct .qo-mark { border-color: var(--success) !important; background: var(--success) !important; }
.quiz-option.wrong { border-color: var(--danger) !important; background: var(--danger-soft) !important; animation: shake .35s; }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.quiz-option code { font-family: var(--mono); font-size: .9em; }
.quiz-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px; margin: 4px 0 12px; }
.quiz-feedback { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; }
.quiz-feedback.ok { color: var(--success); } .quiz-feedback.fail { color: var(--danger); } .quiz-feedback.hint { color: var(--muted); font-weight: 500; }
.quiz-expl { margin-top: 16px; padding: 12px 16px; border-radius: 12px; background: var(--success-soft); }

.chapter-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ------------------------------------------------------------ Python-Playground */
/* Desktop: Editor links, Konsole rechts, alles auf einen Bildschirm – kein Hin- und Herscrollen */
.playground { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; }
body.drawer-open .playground { grid-template-columns: minmax(0, 1fr) 400px; }
.playground .codeblock { margin: 0; }
.pg-file { display: flex; align-items: center; gap: 8px; }
.pg-name { width: 190px; padding: 7px 11px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(0, 0, 0, .18); color: #fff; font: 600 .84rem var(--mono); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .25); }
.pg-name:focus { outline: none; border-color: var(--gold-2); }
.btn-tab.active { --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: transparent; }
/* Ausführen/Zurücksetzen stehen im Playground OBEN (unter dem Kopf): unten würden sie bei knappem Fenster
   oder beim Scrollen z. B. von der Windows-Taskleiste verdeckt */
.cb-sandbox > .cb-toolbar { container-type: inline-size; }
/* schmaler Editor (Trennlinie weit links): Nebenknöpfe nur als Symbol, damit die Leiste einzeilig bleibt */
@container (max-width: 520px) { .cb-toolbar .btn-step .btn-text, .cb-toolbar .btn-reset:not(.armed) .btn-text { display: none; } }
.cb-sandbox > .cb-toolbar { border-top: 0; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, var(--surface-2), var(--surface)); padding: 8px 12px; }
@media (min-width: 900px) {
  .cb-sandbox { position: relative; display: grid; grid-template-columns: var(--pg-cols, minmax(0, 1.25fr) minmax(300px, 1fr)); grid-template-rows: auto auto minmax(0, 1fr);
    height: calc(100dvh - var(--topbar-h) - 100px); min-height: 440px; }
  .cb-sandbox > .cb-head { grid-column: 1 / -1; }
  .cb-sandbox > .cb-toolbar { grid-column: 1; grid-row: 2; }
  .cb-sandbox > .cb-editor { grid-column: 1; grid-row: 3; min-height: 0; overflow: hidden; }
  .cb-sandbox > .cb-feedback { display: none; }
  .cb-sandbox > .console { grid-column: 2; grid-row: 2 / 4; display: flex; flex-direction: column; min-height: 0; border-left: 1px solid var(--border); }
  .cb-sandbox .console-out { flex: 1; max-height: none; min-height: 0; }
  .cb-sandbox .cb-editor .cm-editor { height: 100%; min-height: 0 !important; }
  .cb-sandbox .cb-editor .cm-scroller { overflow: auto; }
  body.drawer-open .cb-sandbox { grid-template-columns: minmax(0, 1fr); grid-template-rows: var(--pg-rows, auto auto minmax(0, 1.4fr) minmax(140px, 1fr)); }
  /* Trennlinie: nebeneinander senkrecht am linken Rand der Konsole, untereinander waagrecht an ihrer Oberkante */
  .pg-split { grid-column: 2; grid-row: 2 / 4; justify-self: start; z-index: 5; width: 14px; margin-left: -7px; cursor: col-resize; touch-action: none; position: relative; }
  .pg-split::after { content: ""; position: absolute; top: 50%; left: 50%; width: 4px; height: 44px; border-radius: 4px; transform: translate(-50%, -50%); background: var(--border-strong); opacity: .7; transition: background .15s, opacity .15s, height .15s; }
  .pg-split:hover::after, .pg-split:focus-visible::after, .cb-sandbox.resizing .pg-split::after { background: var(--teal); opacity: 1; height: 72px; }
  .pg-split:focus-visible { outline: none; }
  .cb-sandbox.resizing { user-select: none; }
  .cb-sandbox.resizing .cm-editor, .cb-sandbox.resizing .console { pointer-events: none; }
  body.drawer-open .pg-split { grid-column: 1; grid-row: 4; justify-self: stretch; align-self: start; width: auto; height: 14px; margin: -7px 0 0; cursor: row-resize; }
  body.drawer-open .pg-split::after { width: 44px; height: 4px; }
  body.drawer-open .pg-split:hover::after, body.drawer-open .cb-sandbox.resizing .pg-split::after { width: 72px; height: 4px; }
  body.drawer-open .cb-sandbox > .console { grid-column: 1; grid-row: 4; border-left: 0; }
  .playground .drawer { height: calc(100dvh - var(--topbar-h) - 100px); max-height: none; top: calc(var(--topbar-h) + 14px); }
}
@media (max-width: 899px) {
  .cb-sandbox { display: flex; flex-direction: column; }
  .pg-split { display: none; }
  .cb-sandbox .console-out { resize: vertical; }   /* Handy/Tablet: Konsole unten rechts größer ziehen */
  .cb-sandbox > .cb-head { order: 0; }
  .cb-sandbox > .cb-toolbar { order: 1; }
  .cb-sandbox > .cb-editor { order: 2; }
  .cb-sandbox > .cb-feedback { order: 3; }
  .cb-sandbox > .console { order: 4; }
  .cb-sandbox .cb-editor .cm-editor { min-height: max(260px, calc(100dvh - 420px)); }
  .cb-sandbox .console-out { min-height: 150px; max-height: 420px; }
}
.drawer {
  position: sticky; top: calc(var(--topbar-h) + 18px); max-height: calc(100vh - var(--topbar-h) - 36px); overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--edge), var(--shadow-lg); padding: 16px 18px 20px;
  animation: fadein .25s ease;
}
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.drawer-head h2 { margin: 0; font-size: 1.3rem; }
.drawer-lead { color: var(--muted); font-size: .8rem; margin: 2px 0 8px; }
.drawer-search { width: 100%; padding: 7px 12px; border-radius: 11px; border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text); font: inherit; font-size: .88rem; margin: 4px 0; }
.drawer-empty, .drawer-loading { color: var(--muted); text-align: center; padding: 20px; font-size: .88rem; }
/* kompakte Befehlsreferenz: Name | Syntax | erster Satz */
.ref-group h3 { font: 700 .7rem/1.3 var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); margin: 14px 0 4px; }
.ref-row { border-bottom: 1px solid var(--border); }
.ref-row summary { display: grid; grid-template-columns: minmax(0, 11em) minmax(0, 1fr); column-gap: 10px; row-gap: 1px; align-items: baseline; padding: 6px 4px; cursor: pointer; list-style: none; font-size: .82rem; line-height: 1.4; border-radius: 6px; transition: background .15s; }
.ref-row summary::-webkit-details-marker { display: none; }
.ref-row summary:hover { background: var(--surface-2); }
.ref-name { grid-column: 1 / -1; font-weight: 650; font-size: .76rem; color: var(--text-2); }
.ref-syntax { font: 600 .78rem/1.4 var(--mono); color: var(--brand); white-space: pre; overflow-x: auto; }
.ref-text { color: var(--text-2); }
.ref-text code, .ref-more code { font: .95em var(--mono); }
.ref-more { padding: 0 4px 10px; font-size: .82rem; color: var(--text-2); }
.ref-more p { margin: .2rem 0; }
.ref-bsp { margin: 6px 0 0; padding: 8px 10px; border-radius: 8px; background: var(--editor-bg); border: 1px solid var(--border); font: 12.5px/1.5 var(--mono); overflow-x: auto; }
.pkg-howto { margin: 8px 0 6px; padding: 10px 12px; border-radius: 12px; background: var(--brand-soft); font-size: .8rem; }
.pkg-howto strong { display: block; margin-bottom: 4px; font-size: .82rem; }
.pkg-howto pre { margin: 0 0 6px; padding: 8px 10px; border-radius: 8px; background: var(--editor-bg); border: 1px solid var(--border); font: 12.5px/1.5 var(--mono); overflow-x: auto; }
.pkg-howto span { color: var(--muted); }
.pkg-row { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 16px; gap: 10px; align-items: baseline; width: 100%; padding: 5px 4px; border: 0; border-bottom: 1px solid var(--border); background: none; color: inherit; text-align: left; font: inherit; font-size: .8rem; line-height: 1.35; cursor: pointer; border-radius: 6px; transition: background .15s; }
.pkg-row:hover { background: var(--surface-2); }
.pkg-row strong { font: 600 .78rem var(--mono); color: var(--brand); }
.pkg-row span { color: var(--text-2); }
.pkg-add { color: var(--success) !important; opacity: 0; transition: opacity .2s; }
.pkg-row.added .pkg-add { opacity: 1; }
.drawer-foot { font-size: .78rem; color: var(--muted); margin: 10px 0 0; }
/* Dateien */
.file-actions { display: flex; gap: 8px; margin: 4px 0 10px; }
.file-list { display: grid; gap: 4px; margin-bottom: 12px; }
.file-row { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border); font-size: .84rem; }
.file-icon { color: var(--brand); display: inline-flex; }
.file-name { flex: 1; min-width: 0; font: 600 .82rem var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { color: var(--muted); font-size: .76rem; font-variant-numeric: tabular-nums; }
.icon-btn.sm { width: 30px; height: 30px; border-radius: 8px; }
.icon-btn.sm .icon { width: 16px; height: 16px; }
.icon-btn.armed { background: var(--danger); color: #fff; border-color: var(--danger); }
/* Beispiele */
.ex-list { display: grid; gap: 8px; margin-top: 6px; }
.ex-row { position: relative; display: grid; gap: 2px; text-align: left; padding: 10px 36px 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: linear-gradient(170deg, var(--surface), var(--surface-2)); color: var(--text); font: inherit; cursor: pointer; box-shadow: var(--edge), var(--shadow-sm); transition: transform .2s var(--ease), box-shadow .2s, border-color .2s; }
.ex-row:hover { transform: translateY(-2px); box-shadow: var(--edge), var(--shadow); border-color: color-mix(in srgb, var(--teal) 45%, var(--border)); }
.ex-row strong { font: 700 .92rem var(--display); }
.ex-row span { font-size: .8rem; color: var(--muted); line-height: 1.4; }
.ex-go { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); color: var(--brand) !important; }
/* Tastenkürzel */
.kbd-list { display: grid; gap: 2px; }
.kbd-row { display: grid; grid-template-columns: minmax(0, 11em) 1fr; gap: 10px; align-items: center; padding: 5px 2px; border-bottom: 1px solid var(--border); font-size: .82rem; color: var(--text-2); }
.kbd-row kbd { justify-self: start; }

/* ------------------------------------------------------------ Fuß & Sonstiges */
.site-footer {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; padding: 22px 24px calc(22px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, var(--navy-800), var(--navy-950)); color: rgba(255, 255, 255, .66); font-size: .84rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}
.footer-brand strong { color: #fff; font-family: var(--display); letter-spacing: -.01em; }
.page-plain { margin-top: 0; }
.footer-links { display: flex; gap: 18px; }
.site-footer a { color: #fff; font-weight: 600; }
.loading, .empty { display: grid; place-items: center; gap: 12px; text-align: center; padding: 90px 0; color: var(--muted); }
.spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--teal); animation: spin 1.1s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.noscript { text-align: center; padding: 20px; }

/* ------------------------------------------------------------ Mobil & Tablet */
@media (max-width: 1100px) {
  body.drawer-open .playground { grid-template-columns: minmax(0, 1fr); }
  body.drawer-open .cb-sandbox { grid-template-columns: var(--pg-cols, minmax(0, 1.25fr) minmax(300px, 1fr)); grid-template-rows: auto auto minmax(0, 1fr); }
  body.drawer-open .cb-sandbox > .console { grid-column: 2; grid-row: 2 / 4; }
  body.drawer-open .pg-split { grid-column: 2; grid-row: 2 / 4; justify-self: start; align-self: stretch; width: 14px; height: auto; margin: 0 0 0 -7px; cursor: col-resize; }
  body.drawer-open .pg-split::after { width: 4px; height: 44px; }
  .playground .drawer { height: auto; }
  .drawer { position: fixed; z-index: 70; top: var(--topbar-h); right: 0; bottom: 0; width: min(440px, 100vw); max-height: none; border-radius: 0; animation: slidein .25s ease; }
}
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } }
@media (max-width: 960px) {
  .nav-toggle { display: inline-grid; }
  body:not([data-page="lektion"]) .nav-toggle { display: none; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; z-index: 60; top: var(--topbar-h); left: 0; bottom: 0; width: min(330px, 86vw); max-height: none; border-radius: 0;
    transform: translateX(-105%); transition: transform .25s cubic-bezier(.2, .8, .2, 1); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open::after { content: ""; position: fixed; inset: var(--topbar-h) 0 0 0; background: rgba(4, 12, 22, .45); z-index: 55; }
  .medal-float { display: inline-flex; }
  .goals { grid-template-columns: minmax(0, 1fr); }
  .topnav { margin-left: 8px; }
  .py-status .label { display: none; }   /* Tablet: nur der Status-Punkt, damit der Schriftzug ganz bleibt (06.10.2026) */
  .py-status { padding: 9px; }
}
@media (max-width: 600px) {
  .band { padding: 30px 18px 84px; }
  .page { padding: 0 14px 56px; }
  .brand-text small { display: none; }
  .py-status .label { display: none; }
  .py-status { padding: 9px; }
  .lesson-card { grid-template-columns: auto 1fr; gap: 12px; padding: 16px; }
  .lc-medals { grid-template-columns: 1fr; gap: 6px; }
  .end-medals { grid-template-columns: 1fr; }
  .topbar { gap: 8px; padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right)); }
  .topbar .icon-btn { width: 36px; height: 36px; border-radius: 10px; }
  .brand-mark svg { width: 32px; height: 32px; }
  .topnav { margin-left: auto; padding: 4px; gap: 2px; min-width: 0; }
  .topnav a { padding: 7px 10px; font-size: .88rem; gap: 6px; }
  .topnav a svg { width: 16px; height: 16px; }
  .brand-text { display: none; }
  .topbar .spacer { display: none; }
  .page-home { padding-top: 16px; }
  .pg-name { display: none; }
  .pg-file .btn-text, .slimbar .band-back .btn-text { display: none; }
  .code-static, .pz-line code { font-size: var(--code-size, 13.5px); }
  .zo-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .zo-arrow { display: none; }
  .pz-line { padding: 5px 6px; gap: 6px; }
  .lc-num { width: 46px; height: 46px; font-size: 1.1rem; border-radius: 13px; }
  .task { padding: 18px 14px 8px; }
  .cb-editor .cm-editor { font-size: var(--code-size, 14px); }
  .cb-toolbar .btn { padding: 8px 12px; }
  .cb-toolbar .btn-reset .btn-text { display: none; }
  .cb-toolbar .btn-reset.armed .btn-text { display: inline; }
  .cb-actions .btn-text { display: none; }
  .cb-label { display: none; }
  .drawer { width: 100vw; }
}
@media (max-width: 380px) {
  .topnav a svg { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  /* Endlos-Animationen müssen hier auch enden (iteration-count 1). Nur die Dauer zu kürzen ließ sie mit 0,01 ms endlos
     weiterlaufen: jedes Bild eine zufällige Phase = wildes Flackern von Cursor, Schritt-Pfeil und Statuspunkten
     (Vorfall 05.10.2026). Cursor und Spinner laufen bewusst weiter, langsam und gleichmäßig. */
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  /* Cursor: gleicher Konsolen-Takt, nur ohne Neustart je Tastendruck; ganz still wirkte „komisch“ (Betreiber 05.10.) */
  .cb-editor .cm-editor.cm-focused .cm-cursorLayer { animation: kurs-blink 1s steps(1, end) infinite !important; }
  .spinner { animation-duration: 1.4s !important; animation-iteration-count: infinite !important; }
}
/* Schmale Handys (iPhone): seit dem Zugang-Knopf ist die Kopfzeile voll – Symbole in der Navigation weg, damit
   „Playground“ nicht unter den Python-Status rutscht (e2e prüft das) */
@media (max-width: 430px) {
  .topbar { gap: 4px; }
  .topbar .icon-btn { width: 34px; height: 34px; }   /* 4 Knöpfe × 2 px – die Navigation behält ihre volle Breite (06.10.2026) */
  .py-status { padding: 8px; }
  .topnav a svg { display: none; }
  .topnav a { padding: 7px 9px; }
  .serverlast { width: 20px; }   /* seit der Serverlast-Ampel fehlten ≈ 17 px („Playground“ abgeschnitten, 02.10.) */
}
@media (max-width: 400px) {        /* kleine Handys (360 px, iPhone SE): Ampel weg, Status-Punkt bleibt */
  .serverlast { display: none; }
  .topnav a { padding: 7px 7px; }
}
@media (max-width: 340px) {
  .brand-mark { display: none; }
}

/* ---------------------------------------------------------------- Flipbook (Präsentation einer Lektion, flipbook.js)
   Immer dunkel (wie ein abgedunkelter Raum), die Folie „liegt“ auf der Bühne; die umblätternde Seite dreht sich
   in 3D um die linke Kante, Licht und Schatten folgen dem Winkel (--licht, Schatten-Deckkraft aus JS). */
body.fb-offen { overflow: hidden; }
.fb { position: fixed; inset: 0; z-index: 200; display: flex; flex-direction: column; outline: none; color: #eaf3fa;
  background: radial-gradient(1200px 700px at 50% 45%, #14324b 0%, #08131f 70%); animation: fb-ein .35s ease-out; }
@keyframes fb-ein { from { opacity: 0; } }
.fb-top, .fb-unten { display: flex; align-items: center; gap: 10px; padding: 10px max(14px, env(safe-area-inset-right)) 10px max(14px, env(safe-area-inset-left)); flex: none; }
.fb-titel { display: inline-flex; align-items: center; gap: 8px; font: 700 .95rem/1.2 var(--display); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fb-titel .icon { width: 20px; height: 20px; color: var(--gold-2); flex: none; }
.fb-spacer { flex: 1; }
.fb-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 12px; cursor: pointer;
  color: #eaf3fa; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); text-decoration: none;
  transition: background .15s, transform .15s; }
.fb-btn:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.fb-btn:active { transform: scale(.94); }
.fb-btn:disabled { opacity: .35; cursor: default; }
.fb-btn .icon { width: 20px; height: 20px; }
.fb-buehne { flex: 1; min-height: 0; display: grid; place-items: center; padding: 6px 20px 10px; }
.fb-buch { position: relative; -webkit-perspective: 2600px; perspective: 2600px; touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: grab; }   /* Größe setzt flipbook.js */
.fb-buch:active { cursor: grabbing; }
.fb-basis, .fb-seite img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block;
  border-radius: 6px; background: #fff; }
.fb-basis { box-shadow: 0 30px 70px -25px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .06); }
.fb-schatten { position: absolute; inset: 0; pointer-events: none; opacity: 0; border-radius: 6px;
  background: linear-gradient(90deg, rgba(0, 0, 0, .0) 0, rgba(0, 0, 0, .45) var(--x, 0%), rgba(0, 0, 0, 0) calc(var(--x, 0%) + 22%)); }
.fb-blatt { position: absolute; inset: 0; transform-origin: left center; -webkit-transform-style: preserve-3d; transform-style: preserve-3d;
  will-change: transform; pointer-events: none; }
/* Vorder-/Rückseite zusätzlich per Klasse umschalten – Safari rechnet die 3D-Ebene sonst teils flach und zeigt die falsche Seite */
.fb-blatt.fb-umgedreht .fb-vorne, .fb-blatt:not(.fb-umgedreht) .fb-hinten { visibility: hidden; }
.fb-vorne { transform: rotateY(0deg); }
.fb-blatt[hidden] { display: none; }
.fb-seite { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 6px; overflow: hidden; }
.fb-vorne { box-shadow: 0 20px 50px -20px rgba(0, 0, 0, .7); }
.fb-licht { position: absolute; inset: 0; pointer-events: none; opacity: var(--licht, 0);
  background: linear-gradient(90deg, rgba(0, 0, 0, .55), rgba(0, 0, 0, .1) 40%, rgba(255, 255, 255, .25)); }
/* Rückseite: Papier mit zartem Karo, leicht beleuchtet */
.fb-hinten { transform: rotateY(180deg); background: #f3f6fa linear-gradient(90deg, rgba(255,255,255,.7), rgba(0,0,0,.08));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06); }
.fb-hinten::before { content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(#dbe3ec 1px, transparent 1px), linear-gradient(90deg, #dbe3ec 1px, transparent 1px); background-size: 22px 22px; }
.fb-unten { justify-content: center; }
.fb-regler { width: min(420px, 40vw); accent-color: var(--gold-2); }
.fb-zaehler { min-width: 64px; text-align: center; font: 600 .9rem/1 var(--font); font-variant-numeric: tabular-nums; color: #cfe4f1; }
.fb-tipp { position: absolute; right: 18px; font-size: .78rem; color: rgba(234, 243, 250, .5); }
/* Vollbild und Handy (.fb-kompakt, flipbook.js): nur die Folie – die Leisten liegen darüber und blenden sich aus.
   Einblenden: Maus darüber, Tastatur-Fokus oder .fb-leisten (3 s nach jedem Tippen, flipbook.js). Ausgeblendet sind
   sie nicht anklickbar, damit ein Tippen oben/unten nicht versehentlich „Schließen“ trifft. */
.fb.fb-vollbild, .fb.fb-kompakt { background: #000; }
.fb.fb-vollbild .fb-buehne, .fb.fb-kompakt .fb-buehne { padding: 0 env(safe-area-inset-right) 0 env(safe-area-inset-left); }
.fb.fb-vollbild .fb-basis, .fb.fb-vollbild .fb-seite, .fb.fb-vollbild .fb-seite img,
.fb.fb-kompakt .fb-basis, .fb.fb-kompakt .fb-seite, .fb.fb-kompakt .fb-seite img { border-radius: 0; }
.fb.fb-vollbild .fb-top, .fb.fb-vollbild .fb-unten, .fb.fb-kompakt .fb-top, .fb.fb-kompakt .fb-unten {
  position: absolute; left: 0; right: 0; z-index: 2; opacity: 0; pointer-events: none; transition: opacity .3s;
  background: linear-gradient(rgba(0, 0, 0, .7), transparent); }
.fb.fb-vollbild .fb-top, .fb.fb-kompakt .fb-top { top: 0; }
.fb.fb-vollbild .fb-unten, .fb.fb-kompakt .fb-unten { bottom: 0; background: linear-gradient(transparent, rgba(0, 0, 0, .7)); }
.fb.fb-vollbild .fb-top:hover, .fb.fb-vollbild .fb-unten:hover, .fb.fb-vollbild .fb-top:focus-within, .fb.fb-vollbild .fb-unten:focus-within,
.fb.fb-kompakt .fb-top:focus-within, .fb.fb-kompakt .fb-unten:focus-within,
.fb.fb-leisten .fb-top, .fb.fb-leisten .fb-unten { opacity: 1; pointer-events: auto; }
@media (hover: hover) { .fb.fb-vollbild .fb-top, .fb.fb-vollbild .fb-unten { pointer-events: auto; } }
/* Handy hochkant: Querformat-Folien sind dann winzig → Hinweis zum Drehen (nur per CSS, verschwindet beim Drehen) */
.fb-drehen { display: none; }
@media (pointer: coarse) and (orientation: portrait) and (max-width: 600px) {
  .fb-drehen { display: flex; position: absolute; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%);
    align-items: center; gap: 10px; width: max-content; max-width: calc(100% - 32px); padding: 10px 16px; border-radius: 14px;
    font: 600 .92rem/1.3 var(--font); color: #eaf3fa; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18);
    pointer-events: none; animation: fb-drehen 2.4s ease-in-out 2; }
  .fb-drehen .icon { width: 26px; height: 26px; flex: none; color: var(--gold-2); }
}
@keyframes fb-drehen { 40%, 60% { transform: translateX(-50%) rotate(-3deg); } }
@media (max-width: 700px) {
  .fb-tipp { display: none; }
  .fb-buehne { padding: 4px 8px 6px; }
  .fb-regler { width: 34vw; }
}
@media (prefers-reduced-motion: reduce) { .fb { animation: none; } }

/* Schullogo (config/web/landing/fosbos/, liegt unter /fosbos/): farbig im hellen, mit weißer Schrift im dunklen Modus */
.logo-dunkel { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo-hell { display: none; } :root:not([data-theme="light"]) .logo-dunkel { display: inline-block; } }
:root[data-theme="dark"] .logo-hell { display: none; }
:root[data-theme="dark"] .logo-dunkel { display: inline-block; }
.footer-schule { display: inline-flex; flex: none; }
.footer-schule img { height: 32px; width: auto; }

/* ---------------- Dialog „Über die Python-Werkstatt“ (Knopf i) – Inhalt + Aussehen kommen von der Startseite (/vorteile.css) */
.info-dialog { width: min(1180px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px); padding: 0; overflow: auto; overscroll-behavior: contain;
  border: 1px solid var(--border); border-radius: 24px; background: var(--bg); color: var(--text); box-shadow: var(--shadow-lg); }
.info-dialog::backdrop { background: rgba(6, 18, 30, .55); backdrop-filter: blur(3px); }
.info-kopf { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 14px 14px clamp(16px, 3vw, 28px); border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); }
.info-kopf small { display: block; font: 700 .72rem/1.2 var(--font); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.info-kopf h2 { margin: 2px 0 0; font: 800 clamp(1.25rem, 2.6vw, 1.6rem)/1.15 var(--display); letter-spacing: -.02em; }
.info-inhalt { padding: clamp(14px, 2.4vw, 24px) clamp(12px, 2.4vw, 24px) 24px; }
.info-inhalt .vorteile { margin-top: 0; }
.info-inhalt .loading { padding: 40px 0; }
.info-fehler { margin: 24px 4px; color: var(--muted); }
@media (max-width: 560px) {
  .info-dialog { width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0; border: 0; border-radius: 0; }
}