/* =====================================================================
   knowledge.css — Glossar + Quiz
   Setzt das inverda Design-System (inverda.css) voraus.
   ===================================================================== */

/* ── Knowledge Hub: Übersichts-Kacheln ─────────────────────────────── */
.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: .5rem;
}

@media (min-width: 700px) {
  .hub-grid { grid-template-columns: repeat(3, 1fr); }
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s, transform .2s;
}

.hub-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  text-decoration: none;
  color: inherit;
}

.hub-card__icon {
  font-size: 1.75rem;
  line-height: 1;
}

.hub-card--blog    .hub-card__icon { color: #3fa873; }
.hub-card--lexikon .hub-card__icon { color: #1d4a37; }
.hub-card--quiz    .hub-card__icon { color: #5a3fa8; }

.hub-card__title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  color: var(--green);
  margin: 0 0 .35rem;
}

.hub-card__desc {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.hub-card__cta {
  font-size: .875rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
}

/* ── Glossar: Filterleiste ──────────────────────────────────────────── */
.glossary-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin: 1.5rem 0 2rem;
}

.glossary-filter__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: .25rem .5rem;
  border-radius: 6px;
  font-size: .8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s, color .15s;
  color: var(--green);
  background: var(--card);
  border: 1px solid var(--line);
}

.glossary-filter__btn:hover {
  background: var(--green-soft);
  color: var(--green);
  text-decoration: none;
}

.glossary-filter__btn--active {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.glossary-filter__btn--active:hover {
  background: var(--green);
  color: #fff;
}

.glossary-filter__btn--disabled {
  color: #c4c0b8;
  background: transparent;
  border-color: transparent;
  cursor: default;
}

/* ── Glossar: Kacheln ───────────────────────────────────────────────── */
.glossary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 0;
}

@media (min-width: 600px) {
  .glossary-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .glossary-grid { grid-template-columns: repeat(3, 1fr); }
}

.glossary-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.25rem 1.375rem;
  background: var(--card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s, transform .2s;
}

.glossary-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
  color: inherit;
}

.glossary-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
}

.glossary-card__term {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  color: var(--green);
  margin: 0;
}

.glossary-card__def {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.glossary-card__link {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
}

.glossary-empty {
  color: var(--muted);
  margin-top: 2rem;
}

/* Kategorie-Badges */
.glossary-card__category {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 20px;
  white-space: nowrap;
}

.glossary-category--umwelt     { background: #d1f0e0; color: #16582e; }
.glossary-category--soziales   { background: #dde8fb; color: #1e3a6e; }
.glossary-category--governance { background: #fde8d0; color: #7a3a0e; }
.glossary-category--regulierung{ background: #f0e4fb; color: #5a1a7e; }
.glossary-category--allgemein  { background: #e9f1ec; color: #1d4a37; }

/* ── Glossar: Begriff-Detailseite ───────────────────────────────────── */
.glossary-term-outer {
  margin-bottom: 1rem;
}

.glossary-term__header {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.glossary-term__title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  color: var(--green);
  margin: 0;
}

.glossary-term__lead {
  font-size: 1.0625rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.glossary-term__body {
  line-height: 1.8;
  color: var(--ink);
}

.glossary-term__body h3 { color: var(--green); margin-top: 1.5rem; }

/* Verwandte Begriffe */
.glossary-related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.glossary-related__heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 1rem;
}

.glossary-related__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.glossary-related__link {
  font-weight: 600;
  color: var(--green);
  text-decoration: none;
  margin-right: .5rem;
}

.glossary-related__link:hover { color: var(--accent); }

.glossary-related__def {
  font-size: .875rem;
  color: var(--muted);
}

/* ── Quiz: Allgemein ────────────────────────────────────────────────── */
.quiz-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 3rem;
}

.quiz-card--center { text-align: center; }

@media (max-width: 640px) {
  .quiz-card {
    border-radius: var(--radius-sm);
    padding: 1.5rem 1.25rem;
  }
}

/* ── Quiz: Startseite ───────────────────────────────────────────────── */
.quiz-start__icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: .75rem;
}

.quiz-start__title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--green);
  margin: 0 0 .75rem;
}

.quiz-start__desc {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 1rem;
}

.quiz-start__facts {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
  display: inline-flex;
  flex-direction: column;
  gap: .4rem;
  text-align: left;
  font-size: .9rem;
  color: var(--muted);
}

.quiz-start__facts li { display: flex; align-items: center; gap: .5rem; }
.quiz-start__facts .fa-check-circle { color: var(--accent); }

.quiz-start__lb-link {
  display: block;
  margin-top: 1.25rem;
  font-size: .875rem;
  color: var(--muted);
}

/* ── Quiz: Nickname-Feld ────────────────────────────────────────────── */
.quiz-nickname-field {
  margin-bottom: 1.25rem;
  text-align: left;
}

.quiz-nickname-field__label {
  display: block;
  font-weight: 600;
  font-size: .875rem;
  margin-bottom: .4rem;
  color: var(--ink);
}

.quiz-nickname-field__hint {
  font-weight: 400;
  color: var(--muted);
}

.quiz-nickname-field__input {
  width: 100%;
  padding: .65rem .875rem;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  transition: border-color .15s, box-shadow .15s;
  min-height: 44px;
}

.quiz-nickname-field__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(63,168,115,.18);
}

.quiz-nickname-field__input--error {
  border-color: #e05252;
  box-shadow: 0 0 0 3px rgba(224,82,82,.15);
}

/* ── Quiz: Topbar (Fortschritt + Timer) ─────────────────────────────── */
.quiz-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.quiz-progress { flex: 1; }

.quiz-progress__text {
  display: block;
  font-size: .8125rem;
  color: var(--muted);
  margin-bottom: .35rem;
}

.quiz-progress__bar {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border: none;
  border-radius: 3px;
  background: var(--line);
}

.quiz-progress__bar::-webkit-progress-bar   { background: var(--line); border-radius: 3px; }
.quiz-progress__bar::-webkit-progress-value { background: var(--accent); border-radius: 3px; transition: width .3s; }
.quiz-progress__bar::-moz-progress-bar      { background: var(--accent); border-radius: 3px; }

/* ── Quiz: Timer-Ring ───────────────────────────────────────────────── */
.quiz-timer {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.timer-ring {
  width: 52px;
  height: 52px;
  transform: rotate(-90deg);
}

.timer-ring__bg {
  fill: none;
  stroke: var(--line);
  stroke-width: 3;
}

.timer-ring__fg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  /* stroke-dasharray und -dashoffset werden per JS gesetzt */
}

.timer-count {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 700;
  color: var(--green);
}

/* ── Quiz: Fragen-Text ──────────────────────────────────────────────── */
.quiz-question {
  font-family: var(--font-head);
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  color: var(--green);
  line-height: 1.4;
  margin: 0 0 1.5rem;
}

/* ── Quiz: Antwort-Buttons ──────────────────────────────────────────── */
.quiz-answers {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.quiz-answer {
  display: flex;
  align-items: center;
  gap: .875rem;
  width: 100%;
  min-height: 52px;
  padding: .625rem .875rem;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  transition: background .15s, border-color .15s, transform .1s;
  font-family: var(--font-body);
  font-size: .9375rem;
  color: var(--ink);
}

.quiz-answer:hover:not(:disabled) {
  background: var(--green-soft);
  border-color: var(--accent);
}

.quiz-answer:active:not(:disabled) {
  transform: scale(.99);
}

.quiz-answer:disabled {
  cursor: default;
  opacity: .65;
}

.quiz-answer__letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--line);
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  color: var(--green);
}

.quiz-answer:hover:not(:disabled) .quiz-answer__letter {
  background: var(--accent);
  color: #fff;
}

.quiz-answer__text { line-height: 1.45; }

/* ── Quiz: Ergebnis-Phase – Abschluss ───────────────────────────────── */
.result-finish {
  text-align: center;
  margin-bottom: 1.75rem;
}

.result-finish__icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: .75rem;
}

.result-finish__title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 1.875rem);
  color: var(--green);
  margin: 0 0 .5rem;
}

.result-finish__desc {
  color: var(--muted);
  margin: 0;
}

/* ── Quiz: Ergebnis-Phase – Score-Ring ──────────────────────────────── */
.result-score { text-align: center; margin-bottom: 2rem; }

.result-ring-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 1rem;
}

.result-ring {
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

.result-ring__bg {
  fill: none;
  stroke: var(--line);
  stroke-width: 8;
}

.result-ring__fg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
}

.result-ring__label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.result-ring__score {
  font-family: var(--font-head);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}

.result-ring__denom {
  font-size: .8125rem;
  color: var(--muted);
}

.result-summary {
  font-size: .9375rem;
  color: var(--muted);
  margin: 0 0 .4rem;
}

.result-rank {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--green);
  margin: 0;
}

/* ── Quiz: Aktionen ─────────────────────────────────────────────────── */
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
  margin: 1.5rem 0;
}

/* ── Quiz: Bestenliste ──────────────────────────────────────────────── */
.result-section-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--green);
  margin: 2rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.result-loading {
  color: var(--muted);
  font-size: .9rem;
}

.leaderboard__table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.leaderboard__table th {
  text-align: left;
  font-weight: 600;
  color: var(--green);
  padding: .5rem .75rem;
  border-bottom: 2px solid var(--line);
}

.leaderboard__table td {
  padding: .5rem .75rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.leaderboard__table tbody tr:last-child td { border-bottom: none; }

.leaderboard__row--me { background: var(--green-soft); }
.leaderboard__row--me td { font-weight: 600; }

.leaderboard__you {
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent);
}

/* ── Quiz: Antworten-Breakdown ──────────────────────────────────────── */
.result-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.result-item:last-child { border-bottom: none; }

.result-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  margin-top: .1rem;
}

.result-item--correct .result-item__icon { background: #d1f0e0; color: #16582e; }
.result-item--wrong   .result-item__icon { background: #fde8d0; color: #7a3a0e; }

.result-item__content { flex: 1; font-size: .9rem; }

.result-item__question {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .35rem;
}

.result-item__your-answer {
  color: #c0392b;
  font-size: .85rem;
  margin: 0 0 .25rem;
}

.result-item__correct-answer {
  color: #16582e;
  font-size: .85rem;
  margin: 0 0 .4rem;
}

.result-item__explanation {
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.55;
  margin: 0;
}

/* ── Buttons (falls inverda.css noch keine .btn hat) ────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 44px;
  padding: .625rem 1.375rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s, opacity .15s;
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn--lg { padding: .75rem 1.75rem; font-size: 1rem; }

.btn--primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn--primary:hover:not(:disabled) { background: var(--green-deep); border-color: var(--green-deep); }
.btn--primary:disabled { opacity: .6; cursor: default; }

.btn--outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn--outline:hover { background: var(--green-soft); }

.btn--ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--line); color: var(--ink); }

/* ── page-lead (falls nicht global definiert) ───────────────────────── */
.page-lead { margin-bottom: 1.75rem; }
.page-lead h1 { margin-bottom: .35rem; }
.page-lead__intro { color: var(--muted); }