/* =========================================================
   Latinum.online – styles.css
   Responsive Überarbeitung (Mobile First)
   ========================================================= */

:root {
  --bg: #f5f7fb;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-alt: #eef5ff;
  --fg: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-dark: #133b7a;
  --link: #1d4ed8;
  --border: #d7e3f3;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 6px 18px rgba(15, 23, 42, 0.05);
  --radius: 18px;
  --radius-sm: 12px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* zentrale Layout-Variablen */
  --container: 1120px;
  --gutter: clamp(1rem, 4vw, 1.25rem);
  --nav-height: 56px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(191, 219, 254, 0.45), transparent 30%),
    radial-gradient(circle at top right, rgba(219, 234, 254, 0.75), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f3f9ff 30%, #eaf4ff 100%);
  color: var(--fg);
  line-height: 1.65;
  /* sicheres Wort-Umbrechen für lange lateinische Komposita / URLs */
  overflow-wrap: break-word;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid rgba(37, 99, 235, .45); outline-offset: 2px; border-radius: 4px; }

/* =========================================================
   Navigation – mobile first mit Hamburger-Toggle
   ========================================================= */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(226, 232, 240, .9);
  box-shadow: 0 8px 20px rgba(15, 23, 42, .04);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: .65rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--nav-height);
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  letter-spacing: .01em;
  color: rgb(60, 136, 222);
  font-size: 2.0rem;
  flex: 1 1 auto;
}

/* Hamburger-Button (echter Button, per JS getoggelt) */
.nav-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  padding: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: background-color .18s ease, border-color .18s ease;
  flex: 0 0 auto;
  color: inherit;
}
.nav-toggle-btn:hover  { background: #eef5ff; border-color: var(--border); }
.nav-toggle-btn:focus-visible { outline: 3px solid rgba(37, 99, 235, .45); outline-offset: 2px; }

.nav-toggle-btn .bar {
  position: relative;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .25s ease, background-color .25s ease;
}
.nav-toggle-btn .bar::before,
.nav-toggle-btn .bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .25s ease, top .25s ease;
}
.nav-toggle-btn .bar::before { top: -7px; }
.nav-toggle-btn .bar::after  { top:  7px; }

/* offen: X-Symbol */
.nav-toggle-btn[aria-expanded="true"] .bar { background: transparent; }
.nav-toggle-btn[aria-expanded="true"] .bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle-btn[aria-expanded="true"] .bar::after  { top: 0; transform: rotate(-45deg); }

/* Linkliste – mobil ausklappend, per JS-Klasse .is-open */
.nav-links {
  display: none;
  flex-basis: 100%;
  flex-direction: column;
  gap: .25rem;
  padding: .5rem 0 .75rem;
}
.nav-links.is-open { display: flex; }

.nav-links a {
  display: block;
  padding: .65rem .9rem;
  border-radius: 10px;
  font-weight: 500;
  transition: background-color .18s ease, color .18s ease;
}
.nav-links a:hover,
.nav-links a.active {
  background: #dbeafe;
  color: var(--accent-dark);
  text-decoration: none;
}

/* =========================================================
   Zweite Navigationsebene – nur im Burger-Menü
   ========================================================= */
.nav-group {
  display: flex;
  flex-direction: column;
}
.nav-group-row {
  display: flex;
  align-items: stretch;
  gap: .25rem;
}
.nav-group-row a {
  flex: 1 1 auto;
}

.nav-sub-toggle {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  -webkit-appearance: none;
  appearance: none;
  color: inherit;
  transition: background-color .18s ease, border-color .18s ease;
}
.nav-sub-toggle:hover { background: #eef5ff; border-color: var(--border); }
.nav-sub-toggle:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .45);
  outline-offset: 2px;
}

/* Chevron-Pfeil: per CSS gezeichnet, dreht sich beim Aufklappen */
.nav-sub-toggle .chevron {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform .22s ease;
}
.nav-sub-toggle[aria-expanded="true"] .chevron {
  transform: translateY(2px) rotate(-135deg);
  border-color: var(--accent-dark);
}

/* Untermenü – per Default zugeklappt */
.nav-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  border-left: 2px solid var(--border);
  margin: .25rem 0 .35rem .75rem;
}
.nav-sublist.is-open { display: block; }
.nav-sublist li { margin: 0; }
.nav-sublist a {
  display: block;
  padding: .55rem .9rem .55rem 1rem;
  font-size: .95rem;
  font-weight: 400;
  border-radius: 8px;
  color: var(--muted);
}
.nav-sublist a:hover,
.nav-sublist a.active {
  background: #eef5ff;
  color: var(--accent-dark);
  text-decoration: none;
}
.nav-sublist a.active { font-weight: 600; }

/* Untergruppe innerhalb einer Sublist (zweite Ebene mit eigenem Toggle) */
.nav-sublist .nav-group { display: flex; flex-direction: column; }
.nav-sublist .nav-group-row { display: flex; align-items: stretch; gap: .25rem; }
.nav-sublist .nav-group-row > a { flex: 1 1 auto; }

/* Sub-Toggle in der zweiten Ebene etwas kompakter */
.nav-sublist .nav-sub-toggle {
  width: 36px;
  height: 36px;
}
.nav-sublist .nav-sub-toggle .chevron {
  width: 8px;
  height: 8px;
}

/* Dritte Ebene: feinere Linie, leicht kleinere Schrift */
.nav-sublist .nav-sublist {
  border-left-color: rgba(215, 227, 243, .55);
  margin-left: .65rem;
}
.nav-sublist .nav-sublist a {
  font-size: .9rem;
  padding-top: .45rem;
  padding-bottom: .45rem;
}

/* „Alle aufklappen / einklappen"-Button – nur auf Mobile sichtbar */
.nav-expand-btn {
  display: block;
  width: 100%;
  padding: .4rem var(--gutter);
  margin: .2rem 0 .4rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: .82rem;
  font-family: var(--font-sans);
  cursor: pointer;
  text-align: left;
  transition: background .15s, border-color .15s, color .15s;
}
.nav-expand-btn:hover,
.nav-expand-btn:focus-visible {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--fg);
}

/* Desktop-Navigation ab 820px – horizontal, mit Dropdown-Menüs */
@media (min-width: 820px) {
  .nav-toggle-btn  { display: none; }
  .nav-expand-btn  { display: none; }
  .nav-links {
    display: flex;
    flex-basis: auto;
    flex-direction: row;
    flex-wrap: wrap;
    gap: .25rem;
    padding: 0;
    justify-content: flex-end;
    align-items: center;
    flex: 1 1 auto;
  }
  /* Top-Level-Direktlinks (Startseite, Sitemap, Über, Impressum) */
  .nav-links > a {
    padding: .4rem .8rem;
    border-radius: 999px;
  }
  .nav-links > a:hover,
  .nav-links > a.active {
    transform: translateY(-1px);
    transition: background-color .18s ease, color .18s ease, transform .18s ease;
  }
  .brand { flex: 0 0 auto; font-size: 2.5rem; }

  /* === DROPDOWN-MENÜS === */

  /* Top-Level-Gruppe (Formenlehre, Satzlehre, Codicillus) als positionierender
     Container; nimmt Link + Chevron in einer Pille auf. */
  .nav-links > .nav-group {
    position: relative;
    display: flex;
    align-items: center;
  }
  .nav-links > .nav-group > .nav-group-row {
    display: flex;
    align-items: stretch;
    gap: 0;
    border-radius: 999px;
    transition: background-color .18s ease, transform .18s ease;
  }
  .nav-links > .nav-group > .nav-group-row > a {
    padding: .4rem .35rem .4rem .85rem;
    border-radius: 999px 0 0 999px;
  }
  .nav-links > .nav-group > .nav-group-row > .nav-sub-toggle {
    width: 26px;
    height: auto;
    padding: 0 .55rem 0 .15rem;
    border: 0;
    border-radius: 0 999px 999px 0;
    background: transparent;
  }
  .nav-links > .nav-group > .nav-group-row > .nav-sub-toggle:hover {
    background: transparent;
  }
  /* Beim Hover die ganze Pille einheitlich einfärben */
  .nav-links > .nav-group:hover > .nav-group-row,
  .nav-links > .nav-group:focus-within > .nav-group-row {
    background: #dbeafe;
    transform: translateY(-1px);
  }
  .nav-links > .nav-group:hover > .nav-group-row > a,
  .nav-links > .nav-group:focus-within > .nav-group-row > a {
    background: transparent;
    color: var(--accent-dark);
  }
  /* Chevron-Pfeil im Top-Level zeigt nach unten und dreht sich beim Öffnen */
  .nav-links > .nav-group > .nav-group-row .chevron {
    width: 7px;
    height: 7px;
    border-color: var(--muted);
  }
  .nav-links > .nav-group:hover .chevron,
  .nav-links > .nav-group:focus-within .chevron,
  .nav-links > .nav-group > .nav-group-row .nav-sub-toggle[aria-expanded="true"] .chevron {
    border-color: var(--accent-dark);
  }

  /* Dropdown-Panel (erstes Untermenü direkt unterhalb des Top-Items) */
  .nav-links > .nav-group > .nav-sublist {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 260px;
    max-width: min(360px, 92vw);
    max-height: calc(100vh - var(--nav-height) - 8px);
    overflow-x: hidden;
    overflow-y: auto;
    margin: 0;
    padding: .4rem .4rem 1.5rem;
    background: rgba(255, 255, 255, .98);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 60;

    /* unsichtbar, bis Hover oder is-open */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
  }
  /* Unsichtbare Hover-Brücke zur Top-Pille, damit der Cursor durch den Gap
     fahren kann, ohne dass das Menü zuklappt */
  .nav-links > .nav-group > .nav-sublist::before {
    content: "";
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
  }
  /* Öffnen bei Hover (nur Hover-fähige Geräte), per Tastatur-Fokus,
     oder per Klick-Toggle (is-open vom JS gesetzt) */
  @media (hover: hover) {
    .nav-links > .nav-group:hover > .nav-sublist,
    .nav-links > .nav-group:focus-within > .nav-sublist {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateY(0);
      transition: opacity .18s ease, transform .18s ease, visibility 0s linear 0s;
    }
  }
  .nav-links > .nav-group > .nav-sublist.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity .18s ease, transform .18s ease, visibility 0s linear 0s;
  }

  /* Inhalt des Dropdowns: flache Listenelemente */
  .nav-links > .nav-group > .nav-sublist > li {
    display: block;
  }
  .nav-links > .nav-group > .nav-sublist a {
    display: block;
    padding: .45rem .7rem;
    margin: 0;
    font-size: .92rem;
    font-weight: 500;
    border-radius: 8px;
    color: var(--fg);
    transition: background-color .15s ease, color .15s ease;
  }
  .nav-links > .nav-group > .nav-sublist a:hover {
    background: #eef5ff;
    color: var(--accent-dark);
    transform: none;
  }
  .nav-links > .nav-group > .nav-sublist a.active {
    background: #dbeafe;
    color: var(--accent-dark);
    font-weight: 600;
  }

  /* Untergruppen im Dropdown (z.B. „Deklinationen" innerhalb Formenlehre):
     der Gruppenlink fungiert als Header, die Kinderliste ist immer sichtbar. */
  .nav-links > .nav-group > .nav-sublist .nav-group {
    display: block;
    margin: .35rem 0 .55rem;
  }
  .nav-links > .nav-group > .nav-sublist .nav-group:first-child { margin-top: 0; }
  .nav-links > .nav-group > .nav-sublist .nav-group:last-child  { margin-bottom: 0; }

  .nav-links > .nav-group > .nav-sublist .nav-group-row {
    display: block;
  }
  .nav-links > .nav-group > .nav-sublist .nav-group-row > a {
    display: block;
    padding: .35rem .7rem .15rem;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--muted);
    border-radius: 6px;
  }
  .nav-links > .nav-group > .nav-sublist .nav-group-row > a:hover {
    background: transparent;
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
  }
  /* Sub-Chevron-Buttons im Dropdown nicht zeigen (akkordeon nicht nötig,
     Items sind ohnehin alle sichtbar) */
  .nav-links > .nav-group > .nav-sublist .nav-sub-toggle {
    display: none;
  }
  /* Verschachtelte Sublist auf Desktop: layout-mäßig immer sichtbar,
     aber visibility & pointer-events erbt sie vom Parent-Dropdown. Dadurch
     wird sie nur hover-empfindlich, wenn das Parent tatsächlich offen ist. */
  .nav-links > .nav-group > .nav-sublist .nav-sublist {
    display: block;
    position: static;
    opacity: 1;
    transform: none;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    margin: .15rem 0 0;
    max-width: none;
    max-height: none;
    overflow: visible;
  }
  .nav-links > .nav-group > .nav-sublist .nav-sublist a {
    padding-left: .9rem;
    font-weight: 400;
    color: var(--muted);
  }
  .nav-links > .nav-group > .nav-sublist .nav-sublist a:hover,
  .nav-links > .nav-group > .nav-sublist .nav-sublist a.active {
    color: var(--accent-dark);
  }

  /* Suchformular in der Desktop-Nav */
  .nav-search {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 0;
  }
  .nav-search input[type="search"] {
    width: 140px;
    padding: .3rem .6rem;
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 999px 0 0 999px;
    font-size: .82rem;
    background: #f8faff;
    outline: none;
    transition: width .2s ease, border-color .2s ease;
  }
  .nav-search input[type="search"]:focus {
    width: 200px;
    border-color: var(--accent);
  }
  .nav-search button {
    padding: .3rem .65rem;
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 999px 999px 0;
    background: var(--accent);
    color: #fff;
    font-size: .82rem;
    cursor: pointer;
    transition: background-color .18s ease;
  }
  .nav-search button:hover { background: var(--accent-dark); }
}

/* Suchformular mobil */
.nav-search {
  display: flex;
  margin: .5rem .9rem .25rem;
  gap: 0;
}
.nav-search input[type="search"] {
  flex: 1;
  padding: .45rem .7rem;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 999px 0 0 999px;
  font-size: .9rem;
  background: #f8faff;
  outline: none;
}
.nav-search input[type="search"]:focus { border-color: var(--accent); }
.nav-search button {
  padding: .45rem .8rem;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 999px 999px 0;
  background: var(--accent);
  color: #fff;
  font-size: .9rem;
  cursor: pointer;
}

/* =========================================================
   Layout – Container & Typografie
   ========================================================= */
main {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem) var(--gutter) 0;
}

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 {
  font-size: clamp(1.45rem, 4.25vw, 2.55rem);
  margin: 0 0 1rem;
}
h2 {
  font-size: clamp(1.2rem, 3.2vw, 1.6rem);
  margin: 0 0 .85rem;
  color: var(--accent-dark);
}
h3 {
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  margin: 1.2rem 0 .55rem;
  color: var(--accent-dark);
}
p { margin: 0 0 1rem; }

.lead {
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.08rem);
}

/* =========================================================
   Hero & Karten
   ========================================================= */
.hero {
  background: #f4f9ff;
  border: 1px solid rgba(207, 227, 245, .95);
  border-radius: clamp(18px, 4vw, 28px);
  padding: clamp(1.1rem, 4vw, 1.7rem);
  margin-bottom: 1.35rem;
  box-shadow: var(--shadow);
}

.breadcrumb {
  font-size: .88rem;
  color: var(--muted);
  margin-bottom: .9rem;
  display: flex;
  flex-wrap: wrap;
  gap: .15rem .35rem;
  word-break: break-word;
}
.breadcrumb a { color: #334155; }

.card {
  background: var(--surface);
  border: 1px solid rgba(226, 232, 240, .95);
  border-radius: var(--radius);
  padding: clamp(1rem, 3.2vw, 1.25rem);
  box-shadow: var(--shadow-soft);
  margin-bottom: 1rem;
}

/* =========================================================
   Listen, Quicklinks, Topic-Cards
   ========================================================= */
.topic-list,
.check-list {
  margin: .4rem 0 1rem 1.25rem;
  padding: 0;
}
.topic-list li,
.check-list li { margin-bottom: .38rem; }

.quicklinks {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  margin-top: .95rem;
}
.quicklinks a,
.chip {
  display: inline-flex;
  align-items: center;
  padding: .55rem .85rem;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, .95);
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 4px 12px rgba(15, 23, 42, .04);
  font-size: .95rem;
  min-height: 36px;
}
.quicklinks a:hover { text-decoration: none; background: #dbeafe; }

/* =========================================================
   Grids
   ========================================================= */
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .grid-3 { grid-template-columns: 1fr 1fr 1fr; } }

.topic-card-link { text-decoration: none; color: inherit; display: block; }
.topic-card {
  height: 100%;
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(226, 232, 240, .95);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, .28);
}
.topic-card h3 { margin: 0 0 .35rem; }
.topic-card p { margin: 0; color: var(--muted); }

/* =========================================================
   Themengebiete auf der Startseite – Pillar-Karten mit
   eigenen Sub-Kärtchen und farblicher Abgrenzung
   ========================================================= */
.theme-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
  margin-top: .5rem;
}
@media (min-width: 880px) {
  .theme-grid { grid-template-columns: 1fr 1fr; }
}

.theme-pillar {
  background: linear-gradient(180deg, #f4f9ff 0%, #ffffff 80%);
  border: 2px solid rgba(37, 99, 235, .22);
  border-radius: 20px;
  padding: 1.3rem 1.2rem 1.1rem;
  box-shadow: 0 10px 26px rgba(15, 23, 42, .06);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.theme-pillar::before {
  /* dünner Akzentstreifen links */
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
}

/* Optische Differenzierung der zweiten Pillar (Satzlehre) */
.theme-pillar.theme-satzlehre {
  background: linear-gradient(180deg, #f2f8ff 0%, #ffffff 80%);
  border-color: rgba(13, 148, 136, .28);
}
.theme-pillar.theme-satzlehre::before { background: #0d9488; }

.theme-pillar > h3 {
  margin: 0 0 .25rem;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--accent-dark);
}
.theme-pillar.theme-satzlehre > h3 { color: #0f766e; }

.theme-pillar > p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: .98rem;
}

/* Sub-Kärtchen innerhalb der Themen */
.sub-card-grid {
  display: grid;
  gap: .65rem;
  grid-template-columns: 1fr;
}
@media (min-width: 460px) {
  .sub-card-grid { grid-template-columns: 1fr 1fr; }
}

.sub-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}
.sub-card {
  height: 100%;
  background: #ffffff;
  border: 1px solid rgba(37, 99, 235, .22);
  border-radius: 12px;
  padding: .85rem .95rem;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.theme-pillar.theme-satzlehre .sub-card {
  border-color: rgba(13, 148, 136, .25);
}
.sub-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, .55);
  box-shadow: 0 8px 20px rgba(15, 23, 42, .08);
}
.theme-pillar.theme-satzlehre .sub-card:hover {
  border-color: rgba(13, 148, 136, .55);
}
.sub-card h4 {
  margin: 0 0 .25rem;
  color: var(--accent-dark);
  font-size: 1.02rem;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.theme-pillar.theme-satzlehre .sub-card h4 { color: #0f766e; }
.sub-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

/* =========================================================
   Weitere Bereiche – auf Kärtchen-Niveau,
   neutraler Stil als die Themen-Pillars
   ========================================================= */
.further-grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: 1fr;
}
@media (min-width: 520px) {
  .further-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 880px) {
  .further-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.further-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}
.further-card {
  height: 100%;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .95rem 1.05rem;
  box-shadow: var(--shadow-soft);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.further-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, .35);
  box-shadow: var(--shadow);
}
.further-card h3 {
  margin: 0 0 .25rem;
  font-size: 1rem;
  color: var(--accent-dark);
}
.further-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

/* =========================================================
   Sitemap-Seite
   ========================================================= */
.sitemap-cols {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: .5rem;
}
@media (min-width: 720px) {
  .sitemap-cols { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1000px) {
  .sitemap-cols { grid-template-columns: 1fr 1fr 1fr; }
}

.sitemap-col {
  min-width: 0;
}
.sitemap-col h3 {
  margin: 0 0 .6rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.1rem;
}
.sitemap-col h3 a {
  color: var(--accent-dark);
  font-weight: 700;
}

.sitemap-list,
.sitemap-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sitemap-list > li {
  margin: 0 0 .5rem;
}
.sitemap-list > li > a {
  display: inline-block;
  font-weight: 600;
  margin-bottom: .15rem;
  color: var(--fg);
}
.sitemap-list > li > a:hover {
  color: var(--accent-dark);
}
.sitemap-list ul {
  margin: .15rem 0 .25rem .15rem;
  padding-left: .9rem;
  border-left: 2px solid var(--border);
}
.sitemap-list ul li {
  padding: .12rem 0;
  font-size: .92rem;
}
.sitemap-list ul li a {
  color: var(--muted);
}
.sitemap-list ul li a:hover {
  color: var(--accent-dark);
}

/* Weitere Seiten als ungeordnete „Chips“ */
.sitemap-flat {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .65rem;
}
.sitemap-flat li {
  display: inline-flex;
  align-items: center;
}
.sitemap-flat li::before {
  content: "›";
  margin-right: .35rem;
  color: var(--muted);
}

/* =========================================================
   Tabellen – horizontal scrollbar auf Mobilgeräten
   ========================================================= */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: .9rem 0 1rem;
  border-radius: var(--radius-sm);
}

/* Das innere <div style="overflow-x:auto"> in den HTML-Seiten soll nicht
   einen zweiten Scroll-Container erzeugen – der äußere .table-wrap reicht. */
.table-wrap > div[style*="overflow-x"] {
  overflow-x: visible !important;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: clamp(.88rem, 2.4vw, .95rem);
  min-width: 0;          /* kein erzwungenes Mindestbreite-Scrollen */
}

/* Tabellen mit vielen Spalten, die wirklich Platz brauchen (z. B. volle
   Konjugationsparadigmen): .table-wide auf dem .table-wrap setzen */
.table-wide table { min-width: 480px; }

th, td {
  border: 1px solid var(--border);
  padding: .55rem .65rem;
  text-align: left;
  vertical-align: top;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}
th {
  background: #f8fafc;
  font-weight: 700;
}
tr:nth-child(even) td { background: rgba(248, 250, 252, .7); }

/* Defensive Regel: nicht eingehüllte Tabellen trotzdem scrollbar machen */
.card > table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(.88rem, 2.4vw, .95rem);
}

/* =========================================================
   Hinweise, Bilder, Code
   ========================================================= */
.notice {
  border-left: 4px solid var(--accent);
  padding-left: .9rem;
  color: var(--muted);
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  font-family: ui-monospace, "Cascadia Code", "Fira Mono", monospace;
  font-size: .92rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.img-frame { margin-top: 1rem; }
.img-frame img {
  width: 100%;
  height: auto;
  border-radius: clamp(12px, 3vw, 20px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

code.inline {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: .08rem .35rem;
  border-radius: 6px;
  font-size: .92em;
  word-break: break-word;
}

/* =========================================================
   Prev/Next-Navigation
   ========================================================= */
.prev-next {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1rem;
}
@media (min-width: 720px) {
  .prev-next { grid-template-columns: 1fr 1fr; }
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  max-width: var(--container);
  margin: .5rem auto 0;
  padding: .75rem var(--gutter) 1.5rem;
  color: var(--muted);
  font-size: .92rem;
}

.footer-ki-hint {
  margin: 0 0 0.35em;
  font-size: 0.82em;
}

.footer-review-status {
  margin: 0;
  font-size: 0.82em;
  opacity: 0.75;
}

/* =========================================================
   Gestapeltes Tabellenlayout – kein horizontales Scrollen
   Verwendung: <div class="table-wrap table-stack"> +
               data-label="Spaltenname" an jedem <td>
   ========================================================= */
@media (max-width: 599px) {
  .table-stack {
    overflow-x: visible;
  }
  .table-stack table {
    min-width: 0;
  }
  .table-stack thead {
    display: none;
  }
  .table-stack tr {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,.08);
  }
  .table-stack tr:nth-child(even) {
    background: #f0f4f8;
  }
  .table-stack td {
    display: block;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: .45rem .65rem;
  }
  .table-stack td:last-child {
    border-bottom: none;
  }
  .table-stack td::before {
    display: block;
    content: attr(data-label);
    font-size: .78em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #888;
    margin-bottom: .1rem;
  }
  .table-stack td:first-child {
    background: #fff0f0;
    font-weight: 700;
    color: #b91c1c;
  }
  .table-stack td:first-child::before {
    display: none;
  }
}

/* =========================================================
   Morphem-Farbcodierung (Verbwortbildung)
   ========================================================= */
.morph-ex {
  font-size: 1.2rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: .04em;
  display: block;
  margin: .5rem 0 .3rem;
}
.morph-bedeutung {
  color: var(--fg);
  font-weight: 400;
  font-style: normal;
  font-size: 1rem;
}
.morph-stamm { color: #1d4ed8; }   /* blau  – Stamm */
.morph-bind  { color: #16a34a; }   /* grün  – Bindevokal */
.morph-temp  { color: #b45309; }   /* amber – Tempussuffix */
.morph-modus { color: #7c3aed; }   /* lila  – Modusmerkmal */
.morph-end   { color: #dc2626; }   /* rot   – Personalendung */
.morph-legend {
  font-size: 1rem;
  line-height: 1.8;
  margin: .1rem 0 .6rem;
}

/* =========================================================
   Wörterbuch-Tooltips (#lat-tooltip)
   ========================================================= */
#lat-tooltip {
  position: fixed;
  z-index: 200;
  max-width: 260px;
  padding: .35rem .65rem;
  background: var(--fg);
  color: #fff;
  font-size: .82rem;
  line-height: 1.45;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  pointer-events: none;
  display: none;
}

#lat-tooltip.is-visible { display: block; }

/* Pfeil nach unten (Tooltip oben) */
#lat-tooltip::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  top: 100%;
  border-top-color: var(--fg);
}

/* Pfeil nach oben (Tooltip unten) */
#lat-tooltip.tip-below::after {
  top: auto;
  bottom: 100%;
  border-top-color: transparent;
  border-bottom-color: var(--fg);
}

/* =========================================================
   Suchseite (suche/index.html)
   ========================================================= */
.suche-eingabe-wrap {
  display: flex;
  margin-bottom: 1rem;
}
.suche-eingabe-wrap input {
  flex: 1 1 auto;
  padding: .55rem .9rem;
  border: 1.5px solid var(--border);
  border-right: none;
  border-radius: 999px 0 0 999px;
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--fg);
  outline: none;
}
.suche-eingabe-wrap input:focus { border-color: var(--accent); }
.suche-eingabe-wrap button {
  flex: 0 0 auto;
  padding: .55rem 1.1rem;
  border: 1.5px solid var(--accent);
  border-radius: 0 999px 999px 0;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .15s;
}
.suche-eingabe-wrap button:hover { background: var(--accent-dark); }

#suche-status {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: .92rem;
  min-height: 1.4em;
}
#suche-ergebnisse {
  list-style: none;
  padding: 0;
  margin: 0;
}
#suche-ergebnisse li {
  padding: .85rem 0;
  border-bottom: 1px solid var(--border);
}
#suche-ergebnisse li:last-child { border-bottom: none; }
#suche-ergebnisse a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-dark);
  text-decoration: none;
}
#suche-ergebnisse a:hover { text-decoration: underline; }
.treffer-pfad    { font-size: .8rem; color: var(--muted); margin-top: .15rem; }
.treffer-kontext { font-size: .9rem; color: var(--muted); margin-top: .3rem; line-height: 1.5; }
.treffer-kontext mark {
  background: #fef9c3;
  padding: 0 2px;
  border-radius: 2px;
  color: var(--fg);
}
.kein-ergebnis { color: var(--muted); padding: 2rem 0; }

/* =========================================================
   Lernpfade
   ========================================================= */
.path-selector {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.path-btn {
  padding: .45rem 1.1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--fg);
  cursor: pointer;
  font-size: .95rem;
  font-family: var(--font-sans);
  transition: background .15s, border-color .15s;
}
.path-btn:hover  { border-color: var(--accent); }
.path-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.learning-path.hidden { display: none; }

.week-block { margin-bottom: .25rem; }

.task-list {
  list-style: none;
  padding: 0;
  margin: .5rem 0 .75rem;
}

.task-item {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin: .4rem 0;
  font-size: .95rem;
}
.task-item input[type="checkbox"] {
  flex-shrink: 0;
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  margin-top: .15rem;
}
.task-item label { cursor: pointer; }
.task-item input[type="checkbox"]:checked + label {
  opacity: .55;
  text-decoration: line-through;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: .25rem 0 .5rem;
}
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  width: 0%;
  transition: width .3s;
}
.progress-label { font-size: .8rem; color: var(--muted); white-space: nowrap; }

.reset-all-btn {
  display: inline-block;
  margin-top: .5rem;
  font-size: .8rem;
  padding: .25rem .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}
.reset-all-btn:hover { border-color: var(--accent); color: var(--accent); }

/* =========================================================
   Print-Stil – druckbare Lernunterlage
   ========================================================= */

/* „Als PDF speichern"-Button – nur im Browser sichtbar */
.print-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: .6rem;
  padding: .35rem .85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted);
  font-size: .82rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.print-btn:hover { border-color: var(--accent); color: var(--accent); }

@media print {
  /* Seitenränder */
  @page { margin: 15mm; }

  /* Schrift & Hintergrund */
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }

  /* Elemente ausblenden */
  nav,
  .quicklinks,
  .prev-next,
  .footer-ki-hint,
  .footer-review-status,
  .print-btn,
  #lat-tooltip,
  .nav-expand-btn,
  .path-selector,
  .learning-path,
  .lernpfade-nav,
  .uebungs-btn,
  .uebungs-header { display: none !important; }

  /* Cards & Hero: kein Schatten, flache Ränder, kein Seitenriss */
  .card, .hero {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
    page-break-inside: avoid;
    background: #fff !important;
  }

  /* Lernziel-Box: Farbe weg, Linie bleibt */
  .lernziel-box {
    background: #fff !important;
    border-left: 3px solid #555 !important;
  }
  .lernziel-box h2 { color: #333 !important; }

  /* Links: schwarz, kein Underline */
  a { color: #000 !important; text-decoration: none !important; }

  /* Tabellen: volle Breite, sichtbare Ränder, kein overflow */
  .table-wrap,
  .table-wrap > div { overflow: visible !important; }
  table { width: 100% !important; min-width: 0 !important; border-collapse: collapse; }
  th, td { border: 1px solid #bbb !important; padding: .3rem .5rem !important; }
  thead { background: #f0f0f0 !important; }

  /* Übungsseiten vollständig ausblenden */
  .aufgaben-karte,
  .statistik-box,
  .datenschutz-hinweis { display: none !important; }
}

/* =========================================================
   Reduzierte Bewegung respektieren
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Übungen – interaktive Lernseiten
   ========================================================= */

/* Layout */
.uebungs-header    { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:.5rem; margin-bottom:1rem; }
.fortschritt-anzeige { font-size:.9rem; color:#555; }
.aufgaben-karte    { background:var(--bg); border:2px solid var(--accent); border-radius:var(--radius); padding:1.75rem 1.5rem; text-align:center; margin:1rem 0; }
.form-anzeige      { font-size:2.2rem; font-weight:700; color:var(--accent-dark); letter-spacing:.04em; margin:0 0 .4rem; }
.lemma-anzeige     { color:#666; margin:0; font-style:italic; }

/* Formularfelder */
.bestimmungs-felder { display:grid; grid-template-columns:repeat(auto-fill, minmax(165px,1fr)); gap:.7rem; margin:1rem 0; }
.bestimmungs-felder label { display:flex; flex-direction:column; gap:.25rem; font-size:.9rem; font-weight:600; }
.bestimmungs-felder select,
.bestimmungs-felder input[type="text"] { padding:.4rem .55rem; border:1px solid var(--border); border-radius:.3rem; background:#fff; font-size:.95rem; }

/* Buttons */
.uebungs-btn { background:var(--accent); color:#fff; border:none; padding:.55rem 1.4rem; border-radius:var(--radius); cursor:pointer; font-size:1rem; margin:.4rem .25rem 0; }
.uebungs-btn:hover:not(:disabled) { background:var(--accent-dark); }
.uebungs-btn:disabled { opacity:.45; cursor:not-allowed; }
.uebungs-btn.sekundaer { background:#fff; color:var(--accent); border:1px solid var(--accent); }
.uebungs-btn.sekundaer:hover:not(:disabled) { background:#f0f4ff; }
.uebungs-btn.richtig-btn  { background:#1a7a1a; }
.uebungs-btn.teilweise-btn{ background:#b77a00; }
.uebungs-btn.falsch-btn   { background:#b71c1c; }

/* Feedback */
.feedback-richtig { color:#1a7a1a; background:#e8f5e8; border-left:4px solid #1a7a1a; padding:.7rem 1rem; border-radius:.3rem; margin:.75rem 0; }
.feedback-falsch  { color:#b71c1c; background:#fde8e8; border-left:4px solid #b71c1c; padding:.7rem 1rem; border-radius:.3rem; margin:.75rem 0; }
.feedback-hinweis { color:#5a4000; background:#fff8e1; border-left:4px solid #f9a825; padding:.7rem 1rem; border-radius:.3rem; margin:.75rem 0; }

/* Lernziele-Box ("Nach dieser Seite können Sie …") */
.lernziel-box {
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

.lernziel-box h2 {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent-dark);
  margin-bottom: .6rem;
}

.lernziel-box .topic-list li {
  padding-left: 1.4em;
}

.lernziel-box .topic-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  margin-left: -1.4em;
  margin-right: .4em;
}

.explanation-box {
  margin-top: .6rem;
  padding: .6rem .9rem;
  background: var(--surface-alt);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .9rem;
  line-height: 1.6;
}
.explanation-box strong { display: inline-block; margin-bottom: .15rem; }
.explanation-box a { color: var(--link); }

/* Statistik */
.statistik-box   { background:var(--bg); border:1px solid var(--border); border-radius:var(--radius); padding:1.75rem; text-align:center; margin:1.5rem 0; }
.statistik-zahl  { font-size:3rem; font-weight:700; color:var(--accent); line-height:1; }
.statistik-label { color:#666; font-size:.9rem; margin-bottom:1rem; }

/* Karteikarte */
.karte-bereich    { perspective:700px; height:180px; margin:1.5rem 0; cursor:pointer; user-select:none; }
.karte            { width:100%; height:100%; position:relative; transform-style:preserve-3d; transition:transform .4s ease; }
.karte.umgewendet { transform:rotateY(180deg); }
.karte-seite      { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; border:2px solid var(--accent); border-radius:var(--radius); backface-visibility:hidden; padding:1rem; font-size:1.3rem; font-weight:600; text-align:center; background:var(--bg); }
.karte-rueckseite { transform:rotateY(180deg); background:#f0f8f0; }
.karte-hinweis    { font-size:.8rem; color:#888; text-align:center; margin-top:.3rem; }

/* Leitner-Boxen */
.leitner-status { display:flex; gap:.75rem; flex-wrap:wrap; margin:.5rem 0; font-size:.85rem; }
.leitner-box    { padding:.2rem .6rem; border-radius:.25rem; font-weight:600; }
.lbox-0 { background:#fde8e8; color:#b71c1c; }
.lbox-1 { background:#fff8e1; color:#7a5c00; }
.lbox-2 { background:#e8f5e8; color:#1a7a1a; }

/* Wort-Klick (AcI / Abl.abs.) */
.satz-klick     { line-height:2.8; font-size:1.15rem; margin:1rem 0; }
.satz-klick .wort { cursor:pointer; border-radius:.2rem; padding:.05em .25em; transition:background .15s; }
.satz-klick .wort:hover   { background:#e8f0ff; }
.satz-klick .wort:focus   { outline:2px solid var(--accent); outline-offset:1px; }
.wort-subjekt   { background:#ffe082 !important; }
.wort-infinitiv { background:#a5d6a7 !important; }
.wort-ablabs    { background:#ffcc80 !important; outline:2px solid #e65100; }

/* Zeitverhältnis-Auswahl */
.zeitverh-gruppe { display:flex; gap:.75rem; flex-wrap:wrap; margin:.75rem 0; }
.zeitverh-gruppe label { display:flex; align-items:center; gap:.3rem; cursor:pointer; }

/* Paradigma-Tabelle (Konjugieren / Deklinieren) */
.paradigma-tabelle { border-collapse:collapse; width:100%; margin:1rem 0; }
.paradigma-tabelle th { background:var(--accent); color:#fff; padding:.4rem .6rem; font-size:.9rem; }
.paradigma-tabelle td { padding:.35rem .5rem; border:1px solid var(--border); }
.paradigma-tabelle input { width:100%; padding:.3rem; border:1px solid var(--border); border-radius:.2rem; font-size:.95rem; }
.paradigma-tabelle input.korrekt { border-color:#1a7a1a; background:#e8f5e8; }
.paradigma-tabelle input.falsch  { border-color:#b71c1c; background:#fde8e8; }

/* Filter-Leiste */
.filter-leiste { display:flex; gap:.75rem; flex-wrap:wrap; align-items:center; margin:1rem 0; padding:.75rem; background:#f5f7fa; border-radius:var(--radius); }
.filter-leiste label { font-size:.9rem; font-weight:600; }
.filter-leiste select { padding:.35rem .5rem; border:1px solid var(--border); border-radius:.25rem; }

/* Übersetzungs-Eingabe */
.uebers-eingabe { width:100%; min-height:80px; padding:.6rem .8rem; border:1px solid var(--border); border-radius:.3rem; font-size:1rem; font-family:inherit; resize:vertical; }
.musterloesungen { background:#f0f8f0; border:1px solid #a5d6a7; border-radius:.3rem; padding:1rem; margin:.75rem 0; }
.musterloesungen li { margin-bottom:.4rem; }

/* Datenschutz-Footer (Übungen) */
.datenschutz-hinweis { font-size:.82rem; color:#666; border-top:1px solid var(--border); padding-top:.6rem; margin-top:.5rem; }