/* Interactive Learning Engine Styles */

/* --------------------------------------------------------------------------
   Quiz Component 
   -------------------------------------------------------------------------- */
semantic-quiz {
  display: block;
  margin: 2rem 0;
  padding: 1.5rem;
  background: rgba(30, 35, 45, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

semantic-quiz:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

semantic-quiz .quiz-question {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--primary-blue, #6fa8dc);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

semantic-quiz .quiz-question::before {
  content: "🤔";
  font-size: 1.5rem;
}

semantic-quiz .quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

semantic-quiz .quiz-option-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #ccd6f6;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

semantic-quiz .quiz-option-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

semantic-quiz .quiz-option-text {
  position: relative;
  z-index: 2;
  font-weight: 500;
}

semantic-quiz .quiz-hint {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #a0aec0;
  font-style: italic;
  position: relative;
  z-index: 2;
  animation: fadeIn 0.3s ease;
}

semantic-quiz .quiz-hint.visible {
  display: block;
}

/* Status variants */
semantic-quiz .quiz-option-btn.selected-wrong {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.5);
}

semantic-quiz .quiz-option-btn.selected-wrong::before {
  content: "❌";
  position: absolute;
  right: 1rem;
  top: 1rem;
  z-index: 2;
}

semantic-quiz .quiz-option-btn.reveal-correct {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

semantic-quiz .quiz-option-btn.reveal-correct::before {
  content: "✅";
  position: absolute;
  right: 1rem;
  top: 1rem;
  z-index: 2;
  animation: bounceCorrect 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Disable buttons after interaction */
semantic-quiz.answered .quiz-option-btn:not(.reveal-correct):not(.selected-wrong) {
  opacity: 0.5;
  cursor: default;
}

semantic-quiz.answered .quiz-option-btn {
  cursor: default;
  transform: none;
}

/* --------------------------------------------------------------------------
   Animations 
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounceCorrect {
  0% { transform: scale(0); }
  50% { transform: scale(1.5); }
  100% { transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Secret Images 
   -------------------------------------------------------------------------- */
.learning-secret-media {
  margin-top: 1.5rem;
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.learning-secret-media.revealed {
  display: block;
  /* Next frame opacity trigger */
}

.learning-secret-media.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.learning-secret-media img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}