:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --fg: #1b1b1b;
  --grau: #63605a;
  --linie: #e2ded6;
  --akzent: #1F3864;
  --karte: #fff;
  --treffer: #fff3bf;
  --treffer-rand: #e0a800;
  --merk: #f2f5fa;
}

/* Systemeinstellung gilt nur, solange niemand manuell hell/dunkel wählt. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #14161a;
    --fg: #eae8e3;
    --grau: #a2a2a2;
    --linie: #2b2f36;
    --akzent: #9dbaea;
    --karte: #1a1d22;
    --treffer: #4a3f10;
    --treffer-rand: #d3a400;
    --merk: #1d2129;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161a;
  --fg: #eae8e3;
  --grau: #a2a2a2;
  --linie: #2b2f36;
  --akzent: #9dbaea;
  --karte: #1a1d22;
  --treffer: #4a3f10;
  --treffer-rand: #d3a400;
  --merk: #1d2129;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 104px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--akzent); outline-offset: 2px; border-radius: 4px; }
a { color: var(--akzent); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; z-index: 40; background: var(--karte); padding: 8px 12px; }

/* ---------- Kopfleiste ---------- */
.leiste {
  position: sticky; top: 0; z-index: 20;
  padding-top: env(safe-area-inset-top);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linie);
}
.leiste-inner {
  min-width: 0;
  max-width: 1100px; margin: 0 auto;
  padding: 10px max(24px, env(safe-area-inset-right)) 10px max(24px, env(safe-area-inset-left));
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
}
.marke {
  font-weight: 600; font-size: .85rem; letter-spacing: .02em;
  color: var(--akzent); white-space: nowrap; text-decoration: none;
}
.seiten-nav { display: flex; gap: 10px; align-items: center; font-size: .82rem; min-width: 0; flex-wrap: wrap; }
.seiten-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; color: var(--akzent); text-decoration: none; white-space: nowrap; }
.seiten-nav a:hover { text-decoration: underline; }
.thema {
  width: 44px; height: 44px; flex: 0 0 auto; border-radius: 50%;
  border: 1px solid var(--linie); background: var(--karte); color: var(--akzent);
  font: inherit; font-size: 1rem; line-height: 1; cursor: pointer;
}
.thema:hover { border-color: var(--akzent); }
.thema[aria-pressed="true"] { background: var(--merk); }
.suche.js-only { display: none; }
.js .suche.js-only { display: flex; }
.suche { position: relative; flex: 1 1 260px; display: flex; align-items: center; }
.suche input {
  width: 100%; min-height: 44px; padding: 8px 40px 8px 13px; font: inherit; font-size: .92rem;
  color: inherit; background: var(--karte); border: 1px solid var(--linie); border-radius: 8px;
}
.suche input::placeholder { color: var(--grau); opacity: .85; }
.suche input::-webkit-search-cancel-button { cursor: pointer; }
.suche kbd {
  position: absolute; right: 10px; font: inherit; font-size: .75rem; color: var(--grau);
  border: 1px solid var(--linie); border-radius: 4px; padding: 0 5px; pointer-events: none;
}
.suche input:focus + kbd, .suche input:not(:placeholder-shown) + kbd { display: none; }
.treffer { font-size: .8rem; color: var(--grau); white-space: nowrap; min-width: 5ch; }

/* ---------- Trefferpanel ---------- */
.panel {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 30;
  width: min(680px, calc(100vw - 32px)); max-height: min(70vh, 560px);
  overflow-y: auto; overscroll-behavior: contain;
  background: var(--karte); border: 1px solid var(--linie); border-radius: 12px;
  box-shadow: 0 16px 40px rgb(0 0 0 / .18); padding: 8px;
}
.panel-kopf {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  padding: 6px 10px 4px; font-size: .78rem; color: var(--grau);
}
.panel-kopf strong { color: var(--fg); font-weight: 600; }
.panel-hinweis { padding: 18px 12px; color: var(--grau); font-size: .88rem; }
.panel-hinweis kbd {
  font: inherit; font-size: .78rem; border: 1px solid var(--linie);
  border-radius: 4px; padding: 0 4px;
}
.panel-gruppe { margin-top: 4px; }
.panel-gruppe h3 {
  margin: 8px 10px 4px; font-size: .74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em; color: var(--grau);
}
.panel-gruppe h3 span { text-transform: none; letter-spacing: 0; font-weight: 400; opacity: .8; }
.ztreffer {
  display: block; width: 100%; text-align: left; font: inherit; color: inherit;
  background: none; border: 0; border-radius: 8px; padding: 7px 10px; cursor: pointer;
}
.ztreffer:hover, .ztreffer.aktiv { background: var(--merk); }
.ztreffer .kopf { display: flex; gap: 8px; align-items: baseline; font-size: .78rem; color: var(--grau); }
.ztreffer .kopf .seite {
  font-variant-numeric: tabular-nums; border: 1px solid var(--linie);
  border-radius: 4px; padding: 0 5px; font-size: .72rem; white-space: nowrap;
}
.ztreffer .ausschnitt { display: block; font-size: .88rem; line-height: 1.45; margin-top: 2px; }
.ztreffer .ausschnitt b { font-weight: 600; }
.alle {
  display: block; margin: 6px 6px 2px; padding: 9px 10px; border-radius: 8px;
  font-size: .85rem; color: var(--akzent); text-decoration: none;
  border-top: 1px solid var(--linie);
}
.alle:hover { background: var(--merk); }
.alle[hidden] { display: none; }

mark {
  background: var(--treffer); color: inherit; border-radius: 3px; padding: 0 1px;
  box-shadow: inset 0 -1px 0 var(--treffer-rand);
}
mark.aktuell { outline: 2px solid var(--treffer-rand); outline-offset: 1px; }

/* ---------- Inhalt ---------- */
main {
  max-width: 1100px; margin: 0 auto;
  padding: 40px max(24px, env(safe-area-inset-right)) 96px max(24px, env(safe-area-inset-left));
}

.kopf-bereich { border-bottom: 1px solid var(--linie); padding-bottom: 24px; margin-bottom: 8px; overflow-wrap: anywhere; }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 8px; letter-spacing: -.02em; }
.lead { color: var(--grau); margin: 0; max-width: 62ch; }
.scope { color: var(--grau); margin: 10px 0 0; max-width: 62ch; font-size: .9rem; border-left: 3px solid var(--linie); padding-left: 12px; overflow-wrap: anywhere; }
.sprung { margin-top: 14px; display: flex; gap: 8px 18px; flex-wrap: wrap; font-size: .85rem; }
.sprung a { color: var(--akzent); text-decoration: none; }
.sprung a, .aktionen > a, details.toc summary, .karte .titel, footer a, .gruppe-titel a, .marke {
  display: inline-flex; align-items: center; min-height: 44px;
}
.sprung a:hover { text-decoration: underline; }

.fortschritt {
  margin-top: 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: .82rem; color: var(--grau);
}
.fortschritt-leiste {
  flex: 0 1 180px; height: 6px; border-radius: 99px; background: var(--linie); overflow: hidden;
}
.fortschritt-leiste span { display: block; height: 100%; width: 0; background: var(--akzent); border-radius: 99px; }
.fortschritt button {
  font: inherit; font-size: .78rem; color: var(--grau); background: none;
  border: 0; min-height: 44px; padding: 8px 6px; text-decoration: underline; cursor: pointer;
}

h2 {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--grau);
  margin: 40px 0 14px; font-weight: 600;
}
h2 .zahl { color: var(--grau); opacity: .7; font-weight: 400; }

.raster { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr)); gap: 12px; }
.karte {
  min-width: 0;
  display: flex; flex-direction: column; gap: 4px; padding: 16px 18px;
  border: 1px solid var(--linie); border-radius: 10px; background: var(--karte);
  transition: border-color .15s, transform .15s;
}
@media (prefers-reduced-motion: reduce) { .karte { transition: none; } }
.karte:hover { border-color: color-mix(in srgb, var(--akzent) 55%, var(--linie)); }
.karte.gelesen-karte { border-color: color-mix(in srgb, #2e7d32 45%, var(--linie)); }
.karte .titel { font-weight: 600; color: var(--akzent); text-decoration: none; }
.karte .titel:hover { text-decoration: underline; }
.karte .text { color: var(--grau); font-size: .9rem; margin: 0; }
.karte .zeile { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 6px; }
.meta { color: var(--grau); font-size: .8rem; }

.gelesen {
  font: inherit; font-size: .74rem; min-height: 44px; padding: 8px 14px; border-radius: 99px;
  border: 1px solid var(--linie); background: none; color: var(--grau); cursor: pointer;
}
.gelesen:hover { border-color: #2e7d32; color: #2e7d32; }
.gelesen[aria-pressed="true"] { background: #2e7d32; border-color: #2e7d32; color: #fff; }

.aktionen { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; margin-top: 8px;
            font-size: .8rem; border-top: 1px dashed var(--linie); padding-top: 8px; }
.aktionen > a { color: var(--akzent); text-decoration: none; }
.aktionen > a:hover { text-decoration: underline; }
details.toc summary { cursor: pointer; color: var(--akzent); list-style: none; }
details.toc summary::-webkit-details-marker { display: none; }
details.toc summary::after { content: " ▾"; font-size: .72rem; }
details.toc[open] summary::after { content: " ▴"; }
details.toc ol { margin: 8px 0 0; padding-left: 18px; font-size: .82rem; }
details.toc li { margin: 2px 0; }
details.toc a { display: block; min-height: 44px; padding: 10px 0; line-height: 1.4; overflow-wrap: anywhere; color: var(--fg); text-decoration: none; }
details.toc a:hover { color: var(--akzent); text-decoration: underline; }
details.toc a.mehr { color: var(--grau); font-style: italic; }

.leer { color: var(--grau); text-align: center; padding: 48px 0; }

footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--linie);
         color: var(--grau); font-size: .85rem; }
footer a { color: var(--akzent); }
footer noscript { display: block; margin-top: 8px; }
.noscript-hinweis { margin: 8px 0 0; padding: 8px 12px; border-left: 3px solid var(--akzent); background: var(--karte); font-size: .85rem; color: var(--grau); }

.oben {
  position: fixed; right: calc(20px + env(safe-area-inset-right));
  bottom: calc(20px + env(safe-area-inset-bottom)); width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--linie); background: var(--karte); color: var(--akzent);
  font-size: 1.1rem; cursor: pointer; box-shadow: 0 2px 10px rgb(0 0 0 / .12);
}
.oben:hover { border-color: var(--akzent); }

.lese-hinweis {
  font-size: .82rem; color: var(--grau); background: var(--merk); border: 1px solid var(--linie);
  border-radius: 8px; padding: 8px 12px; margin-bottom: 18px;
}

/* ---------- Trefferseite ---------- */
.ergebnis-kopf { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-bottom: 20px; min-width: 0; }
.ergebnis-kopf h1 { overflow-wrap: anywhere; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 24px; }
.chips button {
  font: inherit; font-size: .8rem; padding: 4px 12px; border-radius: 99px;
  border: 1px solid var(--linie); background: var(--karte); color: var(--fg); cursor: pointer;
}
.chips button[aria-pressed="true"] { background: var(--akzent); border-color: var(--akzent); color: var(--bg); }
.gruppe-titel {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  flex-wrap: wrap; margin: 28px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--linie);
}
.gruppe-titel h2 { margin: 0; font-size: .95rem; text-transform: none; letter-spacing: 0; color: var(--fg); overflow-wrap: anywhere; }
.gruppe-titel span { font-size: .78rem; color: var(--grau); white-space: nowrap; }
.ergebnis {
  display: block; padding: 9px 12px; border-radius: 8px; text-decoration: none; color: inherit;
  border: 1px solid transparent; overflow-wrap: anywhere;
}
.ergebnis:hover { background: var(--merk); border-color: var(--linie); }
.ergebnis .kopf { font-size: .76rem; color: var(--grau); display: flex; gap: 8px; align-items: baseline; }
.ergebnis .kopf .seite { border: 1px solid var(--linie); border-radius: 4px; padding: 0 5px; }
.ergebnis .ausschnitt { font-size: .9rem; }

/* ---------- Glossar ---------- */
.glossar-werkzeuge {
  display: flex; gap: 10px 14px; align-items: center; flex-wrap: wrap;
  margin-top: 16px; font-size: .85rem; color: var(--grau);
}
.glossar-werkzeuge label { font-weight: 600; color: var(--fg); }
.glossar-werkzeuge input {
  flex: 1 1 260px; min-width: 0; max-width: 420px; padding: 8px 12px; font: inherit; font-size: .92rem;
  color: inherit; background: var(--karte); border: 1px solid var(--linie); border-radius: 8px;
}
.glossar-az { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 14px; }
.glossar-az a {
  min-width: 30px; padding: 4px 7px; text-align: center; border-radius: 6px;
  border: 1px solid var(--linie); color: var(--fg); text-decoration: none;
  font-size: .8rem; font-variant-numeric: tabular-nums;
}
.glossar-az a:hover { background: var(--merk); border-color: var(--akzent); color: var(--akzent); }
.glossar-gruppe { margin-top: 28px; }
.glossar-gruppe h2 {
  position: sticky; top: 74px; z-index: 2; margin: 0 0 10px; padding: 4px 0;
  background: var(--bg); border-bottom: 1px solid var(--linie);
  font-size: .9rem; letter-spacing: .12em;
}
.glossar-liste { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 22px; }
.glossar-eintrag { padding: 8px 10px; border: 1px solid transparent; border-radius: 8px; min-width: 0; }
.glossar-eintrag:hover { background: var(--merk); border-color: var(--linie); }
.glossar-eintrag.glossar-treffer { background: var(--merk); border-color: var(--akzent); }
.glossar-eintrag dt { font-weight: 600; color: var(--fg); scroll-margin-top: 90px; overflow-wrap: anywhere; }
.glossar-eintrag dt a { color: inherit; text-decoration: none; }
.glossar-eintrag dd { margin: 2px 0 0; color: var(--grau); font-size: .9rem; overflow-wrap: anywhere; }
.glossar-eintrag .aliase { display: block; margin-top: 3px; font-size: .76rem; color: var(--grau); opacity: .85; }
.glossar-suche {
  display: inline-block; margin-top: 4px; font-size: .76rem; color: var(--akzent);
  text-decoration: none;
}
.glossar-suche:hover { text-decoration: underline; }
.glossar-leer { color: var(--grau); text-align: center; padding: 42px 0; }
@media (max-width: 720px) {
  .glossar-liste { grid-template-columns: 1fr; }
  .glossar-gruppe h2 { top: 64px; }
}

@media (max-width: 520px) {
  .leiste-inner { flex-wrap: wrap; }
  .marke { font-size: .9rem; }
  .seiten-nav { gap: 4px; }
}
@media (max-width: 280px) {
  html, body { overflow-x: clip; }
  .leiste-inner { padding-left: 8px; padding-right: 8px; }
  .seiten-nav a { font-size: .72rem; padding: 0 2px; }
  main { padding-left: 10px; padding-right: 10px; }
}
@media (max-width: 820px) {
  main {
    padding: 24px max(18px, env(safe-area-inset-right)) 80px max(18px, env(safe-area-inset-left));
  }
  .leiste-inner {
  min-width: 0;
    padding: 8px max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
    gap: 8px;
  }
  .treffer { display: none; }
  .seiten-nav { gap: 8px; }
  .seiten-nav a { font-size: .78rem; }
}

/* ---------- Textansicht ---------- */
.lese-zurueck { margin: 0 0 12px; font-size: .85rem; }
.lese-zurueck a { text-decoration: none; color: var(--grau); }
.lese-zurueck a:hover { color: var(--akzent); }
.lese-kopf { max-width: 72ch; margin: 0 auto 20px; }
.lese-kopf h1 { margin: 0 0 4px; font-size: 1.55rem; }
.lese-kopf .meta { margin: 0; color: var(--grau); font-size: .85rem; }
.lese-wahl { display: inline-flex; gap: 6px; align-items: center; margin-top: 8px;
  font-size: .8rem; color: var(--grau); }
.lese-wahl select {
  padding: 4px 7px; font: inherit; font-size: .82rem; color: inherit;
  background: var(--karte); border: 1px solid var(--linie); border-radius: 6px;
}
.lese-text {
  max-width: 72ch; margin: 0 auto; font-size: 1.02rem; line-height: 1.75;
  overflow-wrap: break-word;
}
.lese-text p { margin: 0 0 1em; white-space: pre-line; }
.lese-text p:last-child { margin-bottom: 0; }
.lese-nav {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  max-width: 72ch; margin: 22px auto; font-size: .86rem;
}
.lese-nav a, .lese-nav span {
  padding: 6px 11px; border: 1px solid var(--linie); border-radius: 8px;
  text-decoration: none; color: var(--akzent); background: var(--karte);
}
.lese-nav a:hover { border-color: var(--akzent); }
.lese-nav span { color: var(--grau); background: transparent; border-color: transparent; }

/* Ohne Hover (Touch) gibt es keine Tastaturhinweise. */
@media (hover: none) {
  .suche kbd, .panel-kopf .tasten { display: none; }
}

@media print {
  .leiste, .oben { display: none !important; }
  body { background: #fff; color: #000; }
}


/* Bezug zum Kerncurriculum */
.kerncurriculum {
  margin: 0 0 1.1em;
  padding: 8px 11px;
  border-left: 3px solid var(--akzent);
  background: var(--merk);
  color: var(--fg);
  font-size: .86em;
  line-height: 1.45;
}