/* ═══════════════════════════════════════════════════════════════════════════
   QUIZ-SYSTEM – Abschlussquiz Woche 1 & 2
   Alle Klassen beginnen mit .quiz- um Konflikte zu vermeiden.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Quiz-Sektion Container (Woche 1 – Inline) ──────────────────────────── */
.quiz-section {
  width: 100%;
  margin-bottom: 2rem;
}

/* ── Quiz-öffnen-Button (neben Editor) ──────────────────────────────────── */
.quiz-open-btn {
  background: linear-gradient(135deg, rgba(56, 217, 169, 0.15), rgba(56, 217, 169, 0.05));
  border: 1px solid rgba(56, 217, 169, 0.4);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.25s ease;
}

.quiz-open-btn:hover {
  background: rgba(56, 217, 169, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(56, 217, 169, 0.25);
  transform: translateY(-1px);
}

.quiz-open-btn--passed {
  background: rgba(64, 192, 87, 0.12) !important;
  border-color: rgba(64, 192, 87, 0.5) !important;
  color: #40c057 !important;
}

.quiz-open-btn--passed:hover {
  background: rgba(64, 192, 87, 0.2) !important;
  box-shadow: 0 0 20px rgba(64, 192, 87, 0.2) !important;
}

/* ── Quiz-Overlay (Fullscreen-Dialog) ───────────────────────────────────── */
.quiz-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem 1rem;
  overflow-y: auto;
  animation: quizOverlayFadeIn 0.25s ease;
}

.quiz-overlay[hidden] {
  display: none;
}

/* Verhindert Scrollen des Hintergrunds, wenn Overlay offen */
body.quiz-overlay-open {
  overflow: hidden;
}

/* ── Quiz-Overlay-Panel ─────────────────────────────────────────────────── */
.quiz-overlay-panel {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 900px;
  padding: 2rem;
  position: relative;
  outline: none;
  animation: quizPanelSlideIn 0.3s ease;
  margin: auto;
}

/* ── Overlay-Header ─────────────────────────────────────────────────────── */
.quiz-overlay-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.quiz-overlay-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.quiz-overlay-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.8rem;
  background: rgba(56, 217, 169, 0.12);
  border: 1px solid rgba(56, 217, 169, 0.35);
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.quiz-overlay-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-bright);
  margin: 0;
  line-height: 1.3;
}

.quiz-overlay-close {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.quiz-overlay-close:hover {
  background: rgba(240, 101, 149, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: none;
  box-shadow: none;
}

.quiz-overlay-goal {
  margin-bottom: 1.5rem;
}

/* ── Status-Badge ────────────────────────────────────────────────────────── */
.quiz-header-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
}

.quiz-status-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-soft);
}

.quiz-status-badge--passed {
  background: rgba(64, 192, 87, 0.15);
  border-color: rgba(64, 192, 87, 0.5);
  color: #40c057;
}

.quiz-status-badge--failed {
  background: rgba(240, 101, 149, 0.12);
  border-color: rgba(240, 101, 149, 0.4);
  color: var(--accent);
}

/* ── Quiz-Sets ───────────────────────────────────────────────────────────── */
.quiz-questions-container {
  display: grid;
  gap: 2rem;
}

.quiz-set {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.quiz-set-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  text-shadow: 0 0 8px rgba(56, 217, 169, 0.3);
}

/* ── Einzelne Fragen ─────────────────────────────────────────────────────── */
.quiz-question {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: var(--surface-strong);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.quiz-question:last-child {
  margin-bottom: 0;
}

.quiz-question--correct {
  border-color: rgba(64, 192, 87, 0.55);
  background: rgba(64, 192, 87, 0.07);
}

.quiz-question--wrong {
  border-color: rgba(240, 101, 149, 0.55);
  background: rgba(240, 101, 149, 0.07);
}

.quiz-question-text {
  font-weight: 600;
  color: var(--text-bright);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.quiz-question-number {
  color: var(--primary);
  margin-right: 0.35rem;
  font-weight: 700;
}

/* ── Antworten ───────────────────────────────────────────────────────────── */
.quiz-answers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.quiz-answer {
  display: block;
}

.quiz-answer-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  color: var(--text);
  font-size: 0.95rem;
  user-select: none;
}

.quiz-answer-label:hover {
  background: rgba(56, 217, 169, 0.08);
  border-color: var(--primary);
  transform: translateX(3px);
}

.quiz-answer-radio {
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.quiz-answer-text {
  flex: 1;
  line-height: 1.4;
}

.quiz-answer-label:has(.quiz-answer-radio:checked) {
  background: rgba(56, 217, 169, 0.12);
  border-color: var(--primary);
}

.quiz-answer--correct {
  background: rgba(64, 192, 87, 0.15) !important;
  border-color: rgba(64, 192, 87, 0.7) !important;
  color: #40c057 !important;
}

.quiz-answer--wrong {
  background: rgba(240, 101, 149, 0.15) !important;
  border-color: rgba(240, 101, 149, 0.7) !important;
  color: var(--accent) !important;
}

/* ── Aktions-Buttons ─────────────────────────────────────────────────────── */
.quiz-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  justify-content: flex-start;
}

.quiz-btn {
  padding: 0.85rem 2rem;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

.quiz-btn--primary {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 20px rgba(56, 217, 169, 0.3);
}

.quiz-btn--primary:hover:not(:disabled) {
  background: var(--text-bright);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(56, 217, 169, 0.5);
}

.quiz-btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.quiz-btn--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.quiz-btn--secondary:hover {
  background: var(--surface-strong);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.quiz-btn--ghost {
  background: transparent;
  color: var(--text-soft);
  border: 1px solid var(--border);
}

.quiz-btn--ghost:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* ── Ergebnis-Anzeige ────────────────────────────────────────────────────── */
.quiz-result {
  margin-top: 2rem;
  padding: 1.75rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  animation: quizResultFadeIn 0.4s ease;
}

.quiz-result[hidden] {
  display: none;
}

.quiz-result--passed {
  border-color: rgba(64, 192, 87, 0.6);
  background: rgba(64, 192, 87, 0.08);
  box-shadow: 0 0 30px rgba(64, 192, 87, 0.15);
}

.quiz-result--failed {
  border-color: rgba(240, 101, 149, 0.5);
  background: rgba(240, 101, 149, 0.06);
}

.quiz-score-display {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.quiz-score-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.quiz-score-total {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-soft);
}

.quiz-score-label {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-bright);
}

.quiz-result-message {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

/* ── Validierungswarnung ─────────────────────────────────────────────────── */
.quiz-validation-warning {
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(250, 176, 5, 0.12);
  border: 1px solid rgba(250, 176, 5, 0.5);
  color: var(--warning);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

/* ── Gesperrt-Toast (Woche 2 & 3) ───────────────────────────────────────── */
.quiz-week-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--surface-strong);
  border: 1px solid rgba(240, 101, 149, 0.5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  color: var(--text-bright);
  font-size: 0.95rem;
  font-weight: 500;
  max-width: min(90vw, 560px);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: quizToastSlideUp 0.3s ease;
}

.quiz-week-toast-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.quiz-week-toast-close {
  background: none;
  border: none;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: color 0.2s ease;
  box-shadow: none;
}

.quiz-week-toast-close:hover {
  color: var(--accent);
  transform: none;
  background: none;
  box-shadow: none;
}

/* ── Gesperrte Woche-Links ───────────────────────────────────────────────── */
.week-nav-link--locked {
  opacity: 0.5;
  cursor: not-allowed;
  position: relative;
}

.week-nav-link--locked::after {
  content: ' 🔒';
  font-size: 0.75rem;
  vertical-align: middle;
}

.week-nav-link--locked:hover {
  background: var(--surface) !important;
  color: var(--text) !important;
  box-shadow: none !important;
  transform: none !important;
}

/* ── Animationen ─────────────────────────────────────────────────────────── */
@keyframes quizOverlayFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes quizPanelSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes quizResultFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes quizToastSlideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Theme: Dark ─────────────────────────────────────────────────────────── */
[data-theme="dark"] .quiz-overlay-panel,
[data-theme="dark"] .quiz-set {
  background: rgba(14, 6, 32, 0.97);
  border-color: rgba(217, 70, 239, 0.2);
}

[data-theme="dark"] .quiz-overlay-title {
  color: var(--text-bright);
}

[data-theme="dark"] .quiz-overlay-badge {
  background: rgba(217, 70, 239, 0.12);
  border-color: rgba(217, 70, 239, 0.35);
  color: var(--primary);
}

[data-theme="dark"] .quiz-set-title {
  color: var(--primary);
  text-shadow: 0 0 10px rgba(217, 70, 239, 0.5);
}

[data-theme="dark"] .quiz-question {
  background: rgba(22, 10, 50, 0.7);
}

[data-theme="dark"] .quiz-answer-label {
  background: rgba(14, 6, 32, 0.6);
  border-color: rgba(217, 70, 239, 0.18);
}

[data-theme="dark"] .quiz-answer-label:hover {
  background: rgba(217, 70, 239, 0.1);
  border-color: var(--primary);
}

[data-theme="dark"] .quiz-answer-label:has(.quiz-answer-radio:checked) {
  background: rgba(217, 70, 239, 0.15);
  border-color: var(--primary);
}

[data-theme="dark"] .quiz-btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(217, 70, 239, 0.4);
}

[data-theme="dark"] .quiz-btn--primary:hover:not(:disabled) {
  box-shadow: 0 0 35px rgba(217, 70, 239, 0.6);
}

[data-theme="dark"] .quiz-score-number {
  color: var(--primary);
}

[data-theme="dark"] .quiz-week-toast {
  background: rgba(22, 10, 50, 0.97);
  border-color: rgba(217, 70, 239, 0.5);
}

[data-theme="dark"] .quiz-open-btn {
  background: linear-gradient(135deg, rgba(217, 70, 239, 0.15), rgba(217, 70, 239, 0.05));
  border-color: rgba(217, 70, 239, 0.4);
  color: var(--primary);
}

[data-theme="dark"] .quiz-open-btn:hover {
  background: rgba(217, 70, 239, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(217, 70, 239, 0.3);
}

[data-theme="dark"] .quiz-overlay-close {
  background: rgba(14, 6, 32, 0.6);
}

/* ── Theme: Blue ─────────────────────────────────────────────────────────── */
[data-theme="blue"] .quiz-overlay-panel,
[data-theme="blue"] .quiz-set,
[data-theme="blue"] .quiz-question,
[data-theme="blue"] .quiz-answer-label,
[data-theme="blue"] .quiz-result {
  background: rgba(30, 58, 138, 0.97) !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
  color: #ffffff !important;
}

[data-theme="blue"] .quiz-overlay-title,
[data-theme="blue"] .quiz-set-title,
[data-theme="blue"] .quiz-question-text,
[data-theme="blue"] .quiz-question-number,
[data-theme="blue"] .quiz-score-number,
[data-theme="blue"] .quiz-score-label,
[data-theme="blue"] .quiz-result-message,
[data-theme="blue"] .quiz-answer-text,
[data-theme="blue"] .quiz-status-badge {
  color: #ffffff !important;
  text-shadow: none !important;
}

[data-theme="blue"] .quiz-overlay-badge {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

[data-theme="blue"] .quiz-btn--primary {
  background: #3b82f6;
  color: #ffffff;
}

[data-theme="blue"] .quiz-btn--secondary,
[data-theme="blue"] .quiz-btn--ghost {
  background: rgba(30, 58, 138, 0.95);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="blue"] .quiz-week-toast {
  background: rgba(30, 58, 138, 0.98);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

[data-theme="blue"] .quiz-open-btn {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

[data-theme="blue"] .quiz-overlay-close {
  background: rgba(30, 58, 138, 0.8);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* ── Theme: Mono ─────────────────────────────────────────────────────────── */
[data-theme="mono"] .quiz-overlay-panel,
[data-theme="mono"] .quiz-set,
[data-theme="mono"] .quiz-question,
[data-theme="mono"] .quiz-answer-label,
[data-theme="mono"] .quiz-result,
[data-theme="mono"] .quiz-status-badge {
  background: rgba(0, 0, 0, 0.85) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
}

[data-theme="mono"] .quiz-overlay-title,
[data-theme="mono"] .quiz-set-title,
[data-theme="mono"] .quiz-question-text,
[data-theme="mono"] .quiz-question-number,
[data-theme="mono"] .quiz-score-number,
[data-theme="mono"] .quiz-answer-text {
  color: #f8f8f8 !important;
  text-shadow: none !important;
}

[data-theme="mono"] .quiz-btn--primary {
  background: #ffffff;
  color: #000000;
}

[data-theme="mono"] .quiz-btn--secondary,
[data-theme="mono"] .quiz-btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #f8f8f8;
  border-color: rgba(255, 255, 255, 0.2);
}

[data-theme="mono"] .quiz-open-btn {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #f8f8f8;
}

[data-theme="mono"] .quiz-overlay-close {
  background: rgba(255, 255, 255, 0.06);
  color: #f8f8f8;
  border-color: rgba(255, 255, 255, 0.2);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .quiz-overlay {
    padding: 0;
    align-items: stretch;
  }

  .quiz-overlay-panel {
    border-radius: 0;
    min-height: 100dvh;
    padding: 1.25rem;
    max-width: none;
    margin: 0;
  }

  .quiz-overlay-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .quiz-overlay-close {
    align-self: flex-end;
  }

  .quiz-set {
    padding: 1.25rem;
  }

  .quiz-question {
    padding: 1rem;
  }

  .quiz-actions {
    flex-direction: column;
  }

  .quiz-btn {
    width: 100%;
    text-align: center;
  }

  .quiz-score-display {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .quiz-week-toast {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    max-width: none;
  }

  @keyframes quizToastSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}