/* ----------------------------------------
   Concept Template Page Styles
---------------------------------------- */

/* Concept Template Page Section Spacing */
section {
  padding: 18px 0;
}

.concept-page-wrapper {
  display: flex;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Sidebar */
.concept-sidebar {
  flex: 1;
  position: sticky;
  top: 100px;
  align-self: flex-start;
  background-color: #fafafa;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.concept-sidebar h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 6px;
}

.concept-sidebar ul {
  list-style: none;
  padding-left: 0;
}

.concept-sidebar li {
  margin-bottom: 12px;
}

.concept-sidebar a {
  font-weight: 500;
  color: #2c79c0;
  transition: color 0.2s ease;
}

.concept-sidebar a:hover {
  color: #0380f5;
}

/* Hide sidebar on mobile */
@media (max-width: 768px) {
  .concept-page-wrapper {
    flex-direction: column;
  }
  .concept-sidebar {
    display: none;
  }
}

/* Main content */
.concept-page {
  flex: 3;
}

/* Page Title */
.concept-page h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

/* Category / Tag */
.concept-tag {
  font-size: 0.95rem;
  color: #666666;
  margin-bottom: 16px;
}

/* Key Takeaway / Callout box */
.concept-summary {
  background-color: #f0f4f8;
  border-left: 4px solid #2c79c0;
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 8px;
}

.concept-summary strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

/* Main Markdown Content */
.concept-details {
  margin-bottom: 40px;
  line-height: 1.75;
  color: #333333;
}

.concept-details h2 {
  font-size: 1.75rem;
  margin-top: 32px;
  margin-bottom: 16px;
}

.concept-details h3 {
  font-size: 1.25rem;
  margin-top: 24px;
  margin-bottom: 12px;
}

.concept-details p {
  margin-bottom: 16px;
}

/* Lists with blue bullets */
.concept-details ul {
  list-style: none;
  padding-left: 20px;
  margin-bottom: 16px;
}

.concept-details ul li::before {
  content: "•";
  color: #2c79c0;
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Code blocks */
.concept-details pre {
  background-color: #f5f5f5;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
}

/* Images */
.concept-details img {
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0;
}

/* Ordered lists styling */
.concept-details ol {
  list-style-position: inside; /* numbers appear inside the padding box */
  margin-bottom: 16px;
}

.concept-details ol li {
  margin-bottom: 8px;           /* spacing between items */
}

/* Tables */

.concept-details table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.concept-details th,
.concept-details td {
  border: 1px solid #e0e0e0;
  padding: 12px 16px;
  text-align: left;
}

.concept-details th {
  background-color: #f0f4f8;
  font-weight: 600;
  color: #333333;
}

.concept-details tr:nth-child(even) {
  background-color: #fafafa;
}

.concept-details tr:hover {
  background-color: #f0f4f8;
}

.concept-details caption {
  caption-side: bottom;
  font-size: 0.85rem;
  color: #666666;
  margin-top: 8px;
}

/* See Also / Resources */
.see-also, .resources {
  margin-top: 40px;
}

.see-also h2, .resources h2, .quiz h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 6px;
}

.see-also ul, .resources ul {
  list-style: none;
  padding-left: 0;
}

.see-also li, .resources li {
  margin-bottom: 12px;
}

.see-also a, .resources a {
  color: #2c79c0;
  transition: color 0.2s ease;
}

.see-also a:hover, .resources a:hover {
  color: #0380f5;
}

/* Quick Quiz */
.quiz ul {
  list-style: none;
  padding-left: 0;
}

.quiz li {
  margin-bottom: 16px;
}

.quiz details {
  background-color: #f9f9f9;
  padding: 12px 16px;
  border-radius: 8px;
}

.quiz summary {
  cursor: pointer;
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .concept-page h1 {
    font-size: 2rem;
  }
  .concept-details h2 {
    font-size: 1.5rem;
  }
  .concept-details h3 {
    font-size: 1.125rem;
  }
}

/* Minimalist light grey blockquote */
.concept-details blockquote {
  border-left: 4px solid #e0e0e0;  /* subtle grey accent */
  background-color: #f9f9f9;       /* very light grey background */
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 8px;
  color: #666666;                  /* muted grey text */
  font-style: italic;
  line-height: 1.7;
}