/**
 * Learn Pages Styles
 * Typography and table styles for programmatic SEO pages
 */

/* Learn page layout */
.learn-page {
  --learn-panel: var(--public-panel);
  --learn-soft: var(--public-soft);
  --learn-line: var(--public-line);
  --learn-accent: var(--public-accent);
  --learn-accent-dark: var(--public-accent-dark);
  --learn-ink: var(--public-ink);
  --learn-muted: var(--public-muted);
  --learn-shadow: var(--public-shadow);
}

.learn-main {
  max-width: 1000px;
}

.learn-article {
  padding: 30px 34px;
}

.learn-title {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-ink);
  line-height: 1.15;
}

.learn-section {
  margin-top: 26px;
}

.learn-section-title {
  margin-bottom: 14px;
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-accent);
}

.learn-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.learn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 12px;
  border: 1px solid var(--learn-line);
  color: var(--learn-ink);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.learn-link:hover {
  color: var(--learn-accent);
  background: var(--learn-soft);
  border-color: rgba(242, 122, 82, 0.35);
}

.learn-card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

/* Breadcrumb styling */
.learn-breadcrumb {
  margin-bottom: 18px;
  font-size: 0.85rem;
  color: var(--learn-muted);
  font-weight: 600;
}

.learn-breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.learn-breadcrumb a {
  color: var(--learn-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.learn-breadcrumb a:hover {
  color: var(--learn-ink);
}

.learn-breadcrumb .separator {
  color: rgba(123, 107, 97, 0.6);
}

.learn-breadcrumb .current {
  color: var(--learn-ink);
  font-weight: 700;
}

/* Article layout with sidebar TOC */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 3rem;
  }
}

/* Table of Contents */
.toc {
  display: none;
}

@media (min-width: 1024px) {
  .toc {
    display: block;
    position: sticky;
    top: 2rem;
    align-self: start;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--learn-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  padding: 0 0 0 2px;
  margin: 0;
  border-left: 2px solid var(--learn-line);
}

.toc-list li {
  margin: 0;
}

.toc-list a {
  display: block;
  padding: 0.4rem 0 0.4rem 1rem;
  font-size: 0.82rem;
  color: var(--learn-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: all 0.15s ease;
  border-left: 2px solid transparent;
  margin-left: -2px;
  border-radius: 0 8px 8px 0;
}

.toc-list a:hover {
  color: var(--learn-ink);
  border-left-color: rgba(242, 122, 82, 0.6);
  background-color: rgba(255, 240, 230, 0.7);
}

.toc-list a.active {
  color: var(--learn-accent);
  border-left-color: var(--learn-accent);
  font-weight: 700;
  background-color: rgba(255, 240, 230, 0.9);
}

/* Language index cards */
.language-card {
  display: block;
  padding: 16px;
  border: 2px solid var(--learn-line);
  border-radius: 18px;
  text-decoration: none;
  background: var(--learn-panel);
  transition: all 0.2s ease;
}

.language-card:hover {
  border-color: rgba(242, 122, 82, 0.55);
  background: var(--learn-soft);
  box-shadow: var(--learn-shadow);
  transform: translateY(-1px);
}

.language-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--learn-ink);
}

.language-card-count {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--learn-muted);
}

/* Base prose typography */
.prose {
  color: var(--learn-ink);
  line-height: 1.75;
  font-size: 1rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

/* Headings */
.prose h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--learn-accent);
  font-family: var(--public-font-accent);
  line-height: 1.3;
}

.prose h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--learn-ink);
  line-height: 1.4;
}

.prose h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--learn-ink);
}

/* Paragraphs */
.prose p {
  margin-bottom: 1.25rem;
}

/* Lists */
.prose ul,
.prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose ul {
  list-style-type: disc;
}

.prose ol {
  list-style-type: decimal;
}

.prose li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.prose li > ul,
.prose li > ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Inline elements */
.prose strong {
  font-weight: 700;
  color: var(--learn-ink);
}

.prose em {
  font-style: italic;
}

.prose a {
  color: var(--learn-accent);
  font-weight: 600;
  text-decoration: none;
}

.prose a:hover {
  color: var(--learn-accent-dark);
  text-decoration: underline;
}

.prose code {
  background-color: rgba(242, 122, 82, 0.12);
  padding: 0.125rem 0.375rem;
  border-radius: 0.35rem;
  font-size: 0.875rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--learn-ink);
}

/* Block quotes */
.prose blockquote {
  margin: 1.25rem 0;
  padding-left: 1rem;
  border-left: 4px solid var(--learn-line);
  color: var(--learn-muted);
  font-style: italic;
}

/* Horizontal rules */
.prose hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--learn-line);
}

/* Generic tables in prose */
.prose table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.9rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--learn-line);
}

.prose th,
.prose td {
  border: 1px solid var(--learn-line);
  padding: 0.75rem 1rem;
  text-align: left;
}

.prose th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
}

.prose tbody tr:nth-child(even) {
  background-color: rgba(255, 245, 238, 0.7);
}

/* Grammar conjugation tables */
.grammar-table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.92rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 2px solid var(--learn-line);
  box-shadow: var(--learn-shadow);
}

.grammar-table th,
.grammar-table td {
  border: 1px solid rgba(240, 201, 178, 0.8);
  padding: 0.75rem 1rem;
  text-align: left;
}

.grammar-table th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
  text-transform: none;
  letter-spacing: normal;
}

.grammar-table td {
  color: var(--learn-ink);
}

.grammar-table td:first-child {
  font-weight: 700;
  color: var(--learn-ink);
  background-color: rgba(255, 250, 246, 0.8);
}

.grammar-table tbody tr:hover {
  background-color: rgba(255, 245, 238, 0.7);
}

/* Vocabulary tables */
.vocab-table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.92rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 2px solid var(--learn-line);
  box-shadow: var(--learn-shadow);
}

.vocab-table th,
.vocab-table td {
  border: 1px solid rgba(240, 201, 178, 0.8);
  padding: 0.75rem 1rem;
  text-align: left;
}

.vocab-table th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
}

.vocab-table tbody tr:nth-child(even) {
  background-color: rgba(255, 245, 238, 0.7);
}

/* Related pages */
.learn-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--learn-line);
}

.learn-related h2 {
  margin: 0 0 1rem 0;
  font-size: 1.45rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-accent);
  line-height: 1.3;
}

.learn-related h3 {
  margin: 1.25rem 0 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--learn-ink);
}

/* CTA box */
.learn-cta {
  margin-top: 3rem;
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, #fff1e6, #ffe8da);
  border: 2px solid rgba(242, 122, 82, 0.3);
  border-radius: 1rem;
  box-shadow: var(--learn-shadow);
}

.learn-cta h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-ink);
}

.learn-cta p {
  margin: 0 0 1rem 0;
  color: var(--learn-muted);
}

/* Responsive tables */
@media (max-width: 640px) {
  .learn-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .learn-article {
    padding: 22px 20px;
  }

  .learn-card-grid {
    grid-template-columns: 1fr;
  }

  .learn-link-list {
    grid-template-columns: 1fr;
  }

  .prose table,
  .grammar-table,
  .vocab-table {
    font-size: 0.82rem;
  }

  .prose th,
  .prose td,
  .grammar-table th,
  .grammar-table td,
  .vocab-table th,
  .vocab-table td {
    padding: 0.55rem 0.7rem;
  }
}