/* General Module Layout & Styling */
body {
  background: var(--bg1); /* Use main site background */
}

.module-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.module-sidebar {
  position: sticky;
  top: 20px;
  align-self: start;
  background: rgba(0,0,0,.3);
  border: 1px solid rgba(226,199,107,.25);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-height: 90vh;
  overflow-y: auto;
}

.module-sidebar h3 {
  color: var(--gold);
  font-size: 1rem;
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.module-sidebar nav a {
  display: block;
  padding: 0.5rem 0;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: all .2s;
  font-size: 0.9rem;
}

.module-sidebar nav a:hover,
.module-sidebar nav a.active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: rgba(226,199,107,.05);
  padding-left: 1rem;
}

.module-content {
  background: rgba(0,0,0,.24);
  border: 1px solid rgba(226,199,107,.22);
  border-radius: var(--radius);
  padding: 2rem 3rem;
  min-height: 100vh;
}

.module-header {
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}

.module-header h1 {
  color: var(--gold);
  font-size: clamp(28px, 4vw, 42px);
  margin: 0 0 0.5rem;
}

.module-meta {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  margin-bottom: 4rem;
  scroll-margin-top: 2rem;
}

.section h2 {
  color: var(--teal);
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(111,193,182,.3);
}

.section h3 {
  color: var(--gold);
  font-size: 1.3rem;
  margin: 1.5rem 0 1rem;
}

/* Interactive Elements & Callouts */
.interactive-box, .thought-experiment {
  background: linear-gradient(135deg, rgba(111,193,182,.05), rgba(226,199,107,.05));
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.interactive-box h4, .thought-experiment h4 {
  color: var(--teal);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quiz-container {
  background: rgba(0,0,0,.3);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.quiz-question {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 1rem;
}

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

.quiz-option {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  transition: all .3s;
}

.quiz-option:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--gold);
}

.quiz-option.correct {
  background: rgba(111,193,182,.2) !important;
  border-color: var(--teal) !important;
  font-weight: bold;
}

.quiz-option.incorrect {
  background: rgba(216,91,91,.2) !important;
  border-color: #d85b5b !important;
}

.quiz-feedback {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none; /* Hidden by default */
}

.quiz-feedback.show {
  display: block;
}

.citation {
  color: var(--teal);
  text-decoration: none;
  font-size: 0.85rem;
  vertical-align: super;
}

.citation:hover {
  text-decoration: underline;
}

.key-concept {
  background: rgba(216,156,91,.1);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 4px;
}

.key-concept strong {
  color: var(--accent);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.comparison-table th {
  background: rgba(226,199,107,.2);
  color: var(--gold);
  padding: 1rem;
  text-align: left;
  border: 1px solid rgba(226,199,107,.3);
}

.comparison-table td {
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(0,0,0,.2);
  vertical-align: top;
}

.diagram-container {
  background: rgba(0,0,0,.5);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
}

.diagram-svg {
  max-width: 100%;
  height: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .module-container {
    grid-template-columns: 1fr;
  }
  .module-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 2rem;
  }
  .module-content {
    padding: 1.5rem;
  }
}