/* --- History Quiz Styling --- */

.quiz-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px 24px;
}

.quiz-header {
  text-align: center;
  margin-bottom: 40px;
}

.quiz-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 50%, var(--accent-crimson) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quiz-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.5;
}

/* Quiz Card */
.quiz-card {
  background: rgba(13, 17, 34, 0.55);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 30px;
  transition: var(--transition-smooth);
}

/* Progress bar styling */
.quiz-progress-wrapper {
  margin-bottom: 32px;
}

.quiz-progress-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.quiz-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.quiz-progress-bar {
  height: 100%;
  border-radius: 50px;
  background: linear-gradient(to right, var(--accent-gold), var(--accent-crimson));
  box-shadow: 0 0 10px var(--accent-crimson-glow);
  width: 0%;
  transition: width 0.4s ease;
}

/* Question text */
.quiz-question {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 32px;
  color: #fff;
}

/* Options Stack */
.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.quiz-opt-btn {
  background: rgba(6, 8, 20, 0.5);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 18px 24px;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  outline: none;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 12px;
}

.quiz-opt-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.quiz-opt-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Options states: Correct vs Incorrect */
.quiz-opt-btn.correct {
  background: rgba(16, 185, 129, 0.15) !important;
  border-color: #10b981 !important;
  color: #10b981 !important;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.25) !important;
  opacity: 1 !important;
}

.quiz-opt-btn.incorrect {
  background: rgba(239, 68, 68, 0.15) !important;
  border-color: #ef4444 !important;
  color: #ef4444 !important;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.25) !important;
  opacity: 1 !important;
}

.quiz-opt-letter {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.quiz-opt-btn.correct .quiz-opt-letter {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.4);
  color: #10b981;
}

.quiz-opt-btn.incorrect .quiz-opt-letter {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ef4444;
}

/* Feedback panel */
.quiz-feedback {
  background: rgba(6, 8, 20, 0.65);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 8px;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.feedback-status {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-status-svg {
  width: 1.2em;
  height: 1.2em;
  stroke: currentColor;
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feedback-status.correct {
  color: #10b981;
}

.feedback-status.incorrect {
  color: #ef4444;
}

.feedback-explanation {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.9rem;
}

.btn-next {
  align-self: flex-end;
  background: var(--accent-crimson);
  border: 1px solid transparent;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 15px var(--accent-crimson-glow);
  transition: var(--transition-fast);
}

.btn-next:hover {
  background: #ff5757;
  transform: translateX(3px);
  box-shadow: 0 0 20px rgba(255, 87, 87, 0.5);
}

/* Results Card */
.results-card {
  background: rgba(13, 17, 34, 0.65);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 48px;
  text-align: center;
  animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.results-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px auto;
  color: var(--accent-gold);
  filter: drop-shadow(0 0 8px var(--accent-gold-glow));
  animation: pulseIcon 1.5s ease-in-out infinite alternate;
  display: flex;
  align-items: center;
  justify-content: center;
}

.results-icon svg {
  width: 100%;
  height: 100%;
}

@keyframes pulseIcon {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.results-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.score-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  background: rgba(6, 8, 20, 0.6);
  padding: 16px 40px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
}

.score-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-gold);
  text-shadow: 0 0 20px var(--accent-gold-glow);
}

.score-slash {
  font-size: 2rem;
  color: var(--text-muted);
}

.score-total {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.results-rank {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-crimson);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  background: rgba(255, 42, 95, 0.08);
  padding: 4px 16px;
  border-radius: 50px;
  display: inline-block;
  border: 1px solid rgba(255, 42, 95, 0.15);
}

.results-summary {
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto 32px auto;
  font-size: 0.95rem;
}

.results-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.results-actions #share-results-btn {
  height: auto;
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: 6px;
  justify-content: center;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .quiz-options {
    grid-template-columns: 1fr;
  }
  .quiz-card {
    padding: 24px;
  }
  .quiz-question {
    font-size: 1.25rem;
  }
  .results-actions {
    flex-direction: column;
    align-items: stretch;
  }
}