/* Academic section UI system */
.academic-main {
  padding-top: var(--spacing-md);
  justify-content: flex-start;
}

.academic-shell,
.academic-page-shell {
  --academic-radius: 16px;
  --academic-radius-sm: 12px;
  --academic-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
  --academic-shadow-hover: 0 14px 34px rgba(0, 0, 0, 0.09);
  --academic-card-bg: var(--color-background);
  --academic-muted-bg: rgba(255, 178, 15, 0.08);
  --academic-line: var(--color-border);
  --academic-copy: var(--color-text-muted);
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(1.4rem, 2.4vw, 2.5rem);
  text-align: left;
}

.academic-hero,
.academic-page-hero,
.academic-panel,
.academic-overview-card,
.academic-category-card,
.academic-stat,
.academic-quick-link,
.academic-accordion {
  border: 1px solid var(--academic-line);
  border-radius: var(--academic-radius-sm);
  background-color: var(--academic-card-bg);
}

.academic-hero,
.academic-page-hero {
  display: grid;
  gap: clamp(0.9rem, 2vw, 1.4rem);
  padding: clamp(1.25rem, 2.6vw, 2rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--academic-shadow);
  animation: fadeInUp 0.7s ease-out forwards;
}

.academic-hero::before,
.academic-page-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.academic-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.academic-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-accent);
  font-weight: 600;
}

.academic-kicker,
.academic-overview-label,
.academic-category-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--academic-line);
  border-radius: 999px;
  background-color: var(--academic-muted-bg);
}

.academic-kicker {
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
}

.academic-title {
  font-size: clamp(2.3rem, 6vw, 4.25rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.academic-title span,
.academic-quick-link-mark,
.academic-category-cta {
  color: var(--color-accent);
}

.academic-subtitle,
.academic-summary,
.academic-section-description,
.academic-panel-copy,
.academic-search-hint,
.academic-overview-card p,
.academic-category-description,
.academic-category-count,
.academic-quick-link span {
  max-width: 66ch;
  color: var(--academic-copy);
}

.academic-subtitle {
  font-size: clamp(1rem, 2.1vw, 1.2rem);
}

.academic-stats,
.academic-overview,
.academic-categories-grid,
.academic-toolbar {
  display: grid;
  gap: 0.9rem;
}

.academic-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.academic-stat {
  padding: 1rem 1.1rem;
}

.academic-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1;
}

.academic-stat-label {
  display: block;
  margin-top: 0.35rem;
  color: var(--academic-copy);
  font-size: 0.9rem;
}

.academic-toolbar {
  grid-template-columns: 1.25fr 1fr;
}

.academic-panel {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  box-shadow: var(--academic-shadow);
  animation: fadeInUp 0.7s ease-out 0.12s forwards;
}

.academic-panel-title {
  font-size: clamp(1.2rem, 2.3vw, 1.5rem);
  margin-bottom: 0.35rem;
}

.academic-search-wrapper {
  margin-top: 0.75rem;
  margin-bottom: 0;
  position: relative;
}

.academic-search-input {
  width: 100%;
  min-height: 56px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--academic-line);
  border-radius: 12px;
  background-color: var(--academic-card-bg);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.academic-search-input:focus-visible,
.academic-quick-link:focus-visible,
.academic-category-card:focus-visible,
.academic-breadcrumb:focus-visible,
.academic-accordion-summary:focus-visible,
.academic-hero-cta:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.academic-search-hint {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.academic-quick-links {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.academic-quick-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
}

.academic-quick-link strong {
  font-size: 1rem;
  font-family: var(--font-display);
}

.academic-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.academic-section[hidden] {
  display: none !important;
}

.academic-section-title {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  letter-spacing: -0.02em;
}

.academic-overview,
.academic-categories-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.academic-overview-card,
.academic-category-card {
  padding: 1.15rem;
}

.academic-overview-label {
  padding: 0.25rem 0.62rem;
  margin-bottom: 0.65rem;
  font-size: 0.86rem;
  font-weight: 700;
}

.academic-overview-card h3,
.academic-category-title {
  font-size: 1.1rem;
  margin-bottom: 0.45rem;
}

.academic-category-card {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.academic-category-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.academic-category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 10px;
  background-color: var(--academic-muted-bg);
  border: 1px solid var(--academic-line);
  font-family: var(--font-display);
  font-weight: 700;
}

.academic-category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.academic-category-tag {
  padding: 0.2rem 0.62rem;
  font-size: 0.82rem;
}

.academic-category-cta {
  font-size: 0.9rem;
  font-weight: 600;
}

.academic-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  color: var(--academic-copy);
  font-weight: 600;
}

.academic-panel-copy,
.academic-summary {
  margin-bottom: 0.75rem;
}

.academic-empty-state {
  padding: 1rem;
  border: 1px dashed var(--academic-line);
  border-radius: var(--academic-radius-sm);
  background: var(--academic-muted-bg);
  color: var(--academic-copy);
}

.academic-resources-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: fadeInUp 0.4s ease-out;
  opacity: 1;
  transform: none;
}

.academic-accordion {
  overflow: hidden;
}

.academic-accordion-summary {
  padding: 0.9rem 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.academic-accordion-summary::-webkit-details-marker {
  display: none;
}

.academic-accordion-summary::after {
  content: "+";
  color: var(--color-accent);
  font-size: 1.5rem;
  line-height: 1;
}

.academic-accordion[open] .academic-accordion-summary::after {
  content: "-";
}

.academic-accordion[open] .academic-accordion-summary {
  border-bottom: 1px solid var(--academic-line);
}

.academic-accordion-content {
  display: none;
}

.academic-accordion[open] .academic-accordion-content,
.academic-accordion.is-open .academic-accordion-content {
  display: block;
}

.academic-accordion-inner {
  overflow: hidden;
}

.accordion-list {
  padding: 0.85rem;
  margin-top: 0;
  animation: none;
  opacity: 1;
  transform: none;
}

.academic-subgroup-title {
  margin: 1.1rem 0 0.75rem;
  padding: 0 0 0.45rem 0.2rem;
  border-bottom: 1px solid var(--academic-line);
  font-size: 1rem;
  font-family: var(--font-display);
}

.resource-link {
  display: block;
  border-radius: 10px;
  color: var(--color-foreground);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.resource-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.academic-item {
  padding: 0.9rem;
  border: 1px solid var(--academic-line);
  border-radius: 10px;
  color: var(--color-foreground);
}

.academic-item-title {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.academic-item p {
  color: var(--academic-copy);
}

.academic-quick-link:hover,
.academic-category-card:hover,
.academic-accordion:hover,
.resource-link:hover .academic-item {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: var(--academic-shadow-hover);
  color: inherit;
}

.academic-markdown {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  line-height: 1.7;
  font-size: 1rem;
}

.academic-markdown h1,
.academic-markdown h2,
.academic-markdown h3,
.academic-markdown h4,
.academic-markdown h5,
.academic-markdown h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin-top: 0.85rem;
}

.academic-markdown h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.3rem);
}

.academic-markdown h2 {
  font-size: clamp(1.5rem, 3vw, 1.95rem);
}

.academic-markdown h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
}

.academic-markdown p,
.academic-markdown li {
  color: var(--color-foreground);
}

.academic-markdown ul,
.academic-markdown ol {
  margin-left: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.academic-markdown table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--academic-line);
  border-radius: 10px;
  overflow: hidden;
  display: block;
  overflow-x: auto;
}

.academic-markdown th,
.academic-markdown td {
  border: 1px solid var(--academic-line);
  padding: 0.55rem 0.7rem;
  text-align: left;
}

.academic-markdown th {
  background: var(--academic-muted-bg);
  font-family: var(--font-display);
}

.academic-markdown blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 0.9rem;
  color: var(--academic-copy);
}

.academic-markdown pre {
  border: 1px solid var(--academic-line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.04);
  padding: 0.85rem 1rem;
  overflow-x: auto;
}

.academic-markdown code {
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
  font-size: 0.92em;
}

.academic-markdown :not(pre) > code {
  border: 1px solid var(--academic-line);
  border-radius: 6px;
  padding: 0.08rem 0.38rem;
  background: rgba(0, 0, 0, 0.04);
}

.academic-markdown hr {
  border: none;
  border-top: 1px solid var(--academic-line);
}

.academic-markdown a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
}

@media (max-width: 1024px) {
  .academic-shell,
  .academic-page-shell {
    max-width: 840px;
  }
}

@media (max-width: 860px) {
  .academic-main {
    padding-top: var(--spacing-md);
  }

  .academic-toolbar {
    grid-template-columns: 1fr;
  }

  .academic-stats {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 540px) {
  .academic-shell,
  .academic-page-shell {
    gap: 1rem;
  }

  .academic-hero,
  .academic-page-hero,
  .academic-panel,
  .academic-overview-card,
  .academic-category-card {
    border-radius: 12px;
  }

  .academic-title {
    font-size: clamp(2rem, 10vw, 2.7rem);
  }

  .academic-search-input {
    min-height: 52px;
  }
}