/* ==========================================================================
   QUIZ.CSS - Interaktywny moduł quizów LitRush
   ========================================================================== */

.quiz-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px 36px;
  margin: 10px 0 36px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

/* 1. EKRAN STARTOWY / KONFIGURACJA */
.quiz-setup {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.quiz-setup-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.quiz-setup-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.quiz-setup-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.quiz-config-group {
  margin-bottom: 24px;
  text-align: left;
}

.quiz-config-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #475569;
  margin-bottom: 10px;
}

.quiz-options-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quiz-pill-select {
  flex: 1;
  min-width: 75px;
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #f8fafc;
  color: var(--color-text-main);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  font-family: inherit;
}

.quiz-pill-select:hover {
  background: #e2e8f0;
}

.quiz-pill-select.is-active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 3px 10px rgba(79, 70, 229, 0.2);
}

.quiz-btn-primary {
  width: 100%;
  padding: 13px 20px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

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

/* 2. EKRAN ROZGRYWKI (PLAY) */
.quiz-play-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #f1f5f9;
}

.quiz-step-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quiz-score-live {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.quiz-progress-track {
  width: 100%;
  height: 6px;
  background: #f1f5f9;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 24px;
}

.quiz-progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

.quiz-question-box h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.45;
  margin-bottom: 22px;
}

.quiz-answers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 22px;
}

.quiz-answer-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--transition);
}

.quiz-answer-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: #ffffff;
  transform: translateX(4px);
}

.quiz-answer-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #e2e8f0;
  color: #334155;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}

/* Stany odpowiedzi */
.quiz-answer-btn.is-correct {
  background: #f0fdf4 !important;
  border-color: #22c55e !important;
  color: #15803d !important;
}

.quiz-answer-btn.is-correct .quiz-answer-key {
  background: #22c55e;
  color: #ffffff;
}

.quiz-answer-btn.is-wrong {
  background: #fef2f2 !important;
  border-color: #ef4444 !important;
  color: #b91c1c !important;
}

.quiz-answer-btn.is-wrong .quiz-answer-key {
  background: #ef4444;
  color: #ffffff;
}

.quiz-answer-btn:disabled {
  cursor: default;
}

.quiz-explanation-box {
  background: #f8fafc;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.55;
  color: #334155;
  margin-bottom: 22px;
  animation: fadeIn 0.25s ease-out;
}

.quiz-explanation-title {
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.quiz-play-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.quiz-btn-next {
  padding: 10px 24px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.quiz-btn-next:hover {
  background: var(--color-primary-hover);
}

/* 3. EKRAN WYNIKÓW (RESULTS) */
.quiz-results-card {
  text-align: center;
  padding: 10px 0;
}

.quiz-score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 16px;
}

.score-high {
  background: #dcfce7;
  color: #15803d;
  border: 3px solid #86efac;
}

.score-mid {
  background: #fef3c7;
  color: #b45309;
  border: 3px solid #fde047;
}

.score-low {
  background: #fee2e2;
  color: #b91c1c;
  border: 3px solid #fca5a5;
}

.quiz-results-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.quiz-results-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.quiz-review-section {
  text-align: left;
  margin-top: 32px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.quiz-review-heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 16px;
}

.quiz-review-item {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 14px;
}

.quiz-review-q {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.quiz-review-status {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.quiz-review-status.is-correct {
  color: #15803d;
}

.quiz-review-status.is-wrong {
  color: #b91c1c;
}

.quiz-review-expl {
  font-size: 13px;
  color: #64748b;
  margin-top: 6px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .quiz-container {
    padding: 22px 18px;
  }
  .quiz-options-row {
    flex-direction: column;
  }
  .quiz-question-box h3 {
    font-size: 18px;
  }
  .quiz-answer-btn {
    padding: 12px 14px;
    font-size: 14px;
  }
}

/* Własna liczba pytań w trybie egzaminacyjnym */
.quiz-custom-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.quiz-custom-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.quiz-custom-input {
  width: 100px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition);
}

.quiz-custom-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ==========================================================================
   DODATKOWE STYLE NAWIGACJI W QUIZIE (POWRÓT, COFANIE I WYBÓR W EXAM)
   ========================================================================== */

/* Pasek nagłówka quizu z przyciskiem wyjścia */
.quiz-play-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Dyskretny przycisk wyjścia / powrotu do wyboru */
.quiz-btn-exit {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

.quiz-btn-exit:hover {
  background: #f1f5f9;
  color: var(--color-text-main);
  border-color: #cbd5e1;
}

/* Neutralne zaznaczenie odpowiedzi w trybie egzaminu (przed zakończeniem) */
.quiz-answer-btn.is-selected {
  border-color: var(--color-primary) !important;
  background: var(--color-primary-light) !important;
  color: var(--color-primary) !important;
  font-weight: 600;
}

.quiz-answer-btn.is-selected .quiz-answer-key {
  background: var(--color-primary);
  color: #ffffff;
}

/* Dolny pasek nawigacji (Previous / Next) */
.quiz-play-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

/* Przycisk powrotu do poprzedniego pytania w Exam Mode */
.quiz-btn-prev {
  padding: 10px 20px;
  border-radius: 10px;
  background: #f8fafc;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.quiz-btn-prev:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
}

/* Własna liczba pytań w konfiguratorze */
.quiz-custom-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.quiz-custom-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.quiz-custom-input {
  width: 95px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition);
}

.quiz-custom-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.quiz-btn-next {
  margin-left: auto;
  padding: 10px 24px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}