/* ==========================================================================
   Interactive Quiz & Soru Çözüm Stilleri
   ========================================================================== */

.quiz-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 3rem;
}

/* Quiz Top Control Bar */
.quiz-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.quiz-meta-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.quiz-meta-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Action buttons on question card */
.quiz-action-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.quiz-action-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.quiz-action-btn.active-favorite {
  background: #fef3c7;
  border-color: #fcd34d;
  color: #d97706;
}

[data-theme="dark"] .quiz-action-btn.active-favorite {
  background: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fbbf24;
}

/* Question Main Card */
.question-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: relative;
  transition: all var(--transition-normal);
}

.question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 1rem;
}

.question-number-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}

.question-body {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-primary);
  font-weight: 500;
  white-space: pre-line;
}

.question-body strong, .question-body b {
  font-weight: 700;
  color: var(--text-primary);
}

.question-body u,
.option-text u,
.explanation-summary u,
.explanation-option-item u {
  text-decoration: underline !important;
  text-decoration-thickness: 2.5px !important;
  text-underline-offset: 3.5px !important;
  text-decoration-color: var(--primary) !important;
  font-weight: 700;
  color: var(--text-primary);
}


/* Question Options */
.options-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}

.option-item:hover:not(.disabled) {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateX(4px);
}

.option-key {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-text {
  flex: 1;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--text-primary);
  padding-top: 0.25rem;
}

/* Option States: Correct & Wrong */
.option-item.correct {
  background: var(--success-bg) !important;
  border-color: var(--success) !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.2);
}

.option-item.correct .option-key {
  background: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

.option-item.wrong {
  background: var(--danger-bg) !important;
  border-color: var(--danger) !important;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.2);
}

.option-item.wrong .option-key {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

.option-item.disabled {
  cursor: default;
}

.option-feedback-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Explanation Box */
.explanation-box {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
  border: 1.5px solid var(--primary-light);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: fadeInDown 0.35s ease forwards;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.explanation-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
}

.explanation-summary {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-surface);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.explanation-options-detail {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.opt-detail-item {
  display: flex;
  gap: 0.6rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
  background: var(--bg-surface);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.opt-detail-item.is-correct-key {
  border-left: 3px solid var(--success);
  font-weight: 500;
  color: var(--text-primary);
}

.opt-detail-key {
  font-weight: 700;
  color: var(--primary);
  min-width: 24px;
}

/* Bottom Navigation Bar */
.quiz-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Question Matrix / Palette */
.quiz-palette-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.question-palette-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 0.5rem;
  max-height: 320px;
  overflow-y: auto;
  padding: 0.5rem;
}

.palette-number-btn {
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.palette-number-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.palette-number-btn.current {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.palette-number-btn.answered-correct {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.palette-number-btn.answered-wrong {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

/* Mobile Quiz Responsive Adjustments */
@media (max-width: 768px) {
  .quiz-top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .quiz-meta-left {
    flex-wrap: wrap;
  }

  .quiz-meta-right {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }

  .quiz-action-btn {
    padding: 0.45rem 0.65rem;
    font-size: 0.75rem;
  }

  .question-card {
    padding: 1.25rem 1rem;
  }

  .question-body {
    font-size: 0.98rem;
    line-height: 1.6;
  }

  .option-item {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
  }

  .option-key {
    width: 28px;
    height: 28px;
    font-size: 0.82rem;
  }

  .option-text {
    font-size: 0.92rem;
  }

  .quiz-nav-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
  }

  #btn-finish-quiz {
    grid-column: span 2;
    order: 3;
  }
}