/* 🧠 COURSE DIAGNOSTIC QUIZ ENGINE STYLES 🧠 */
.course-quiz-box {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 24px;
  margin: 28px 0;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  color: #f8fafc;
}

.course-quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #334155;
  padding-bottom: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.course-quiz-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #38bdf8;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.course-quiz-item {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

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

.course-quiz-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.course-quiz-question {
  font-size: 1rem;
  line-height: 1.6;
  color: #f1f5f9;
  font-weight: 600;
  margin-bottom: 16px;
}

.course-quiz-code {
  background: #070b14;
  border: 1px solid #1e293b;
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 16px;
  overflow-x: auto;
}

.course-quiz-code code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.88rem;
  color: #38bdf8;
  line-height: 1.5;
}

.course-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.course-quiz-opt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #e2e8f0;
}

.course-quiz-opt:hover {
  background: #172554;
  border-color: #38bdf8;
  transform: translateX(3px);
}

.course-quiz-opt.opt-correct {
  background: rgba(34, 197, 94, 0.15) !important;
  border-color: #22c55e !important;
  box-shadow: 0 0 0 1px #22c55e;
}

.course-quiz-opt.opt-incorrect {
  background: rgba(239, 68, 68, 0.15) !important;
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 1px #ef4444;
}

.course-quiz-feedback {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  line-height: 1.55;
  animation: quizFadeIn 0.2s ease-out;
}

.course-quiz-feedback-correct {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

.course-quiz-feedback-incorrect {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.course-quiz-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.course-quiz-misc-badge {
  display: inline-block;
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 6px;
}

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