:root {
  --reader-bg: #f8f9fc;
  --reader-surface: #ffffff;
  --reader-text: #1a1d2b;
  --reader-text-secondary: #5a6078;
  --reader-text-tertiary: #8a90a8;
  --reader-border: #e8eaf2;
  --reader-accent: #4f6ef7;
  --reader-accent-2: #7c3aed;
  --reader-accent-light: #eef1ff;
  --reader-cta-green: #10b981;
  --reader-radius: 12px;
  --reader-radius-sm: 8px;
  --reader-shadow: 0 4px 20px rgba(26, 29, 43, 0.06);
  --reader-shadow-hover: 0 8px 30px rgba(26, 29, 43, 0.1);
  --reader-max-width: 720px;
  --reader-nav-height: 64px;
}

/* Reset Blocksy / 1plusx dark theme interference on reader pages */
html body.single-post.academy-reader,
html body.archive.academy-reader,
html body.category.academy-reader,
html body.tag.academy-reader,
html body.blog.academy-reader,
html body.page.academy-reader,
html body.page-template-page-academy-php,
html body.single-post.academy-reader .reader-wrap,
html body.archive.academy-reader .reader-wrap,
html body.category.academy-reader .reader-wrap,
html body.tag.academy-reader .reader-wrap,
html body.blog.academy-reader .reader-wrap,
html body.page.academy-reader .reader-wrap,
html body.page-template-page-academy-php .reader-wrap {
  background: var(--reader-bg) !important;
  color: var(--reader-text) !important;
}

.academy-reader .ct-header,
.academy-reader .site-header,
.academy-reader .ct-footer,
.academy-reader .site-footer,
.academy-reader .entry-header,
.academy-reader .page-header,
.academy-reader .ct-related-posts,
.academy-reader .ct-comments,
.academy-reader .post-navigation {
  display: none !important;
}

.academy-reader * {
  box-sizing: border-box;
}

/* Reader wrapper */
.reader-wrap {
  min-height: 100vh;
  background: var(--reader-bg);
  color: var(--reader-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

.reader-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 max(28px, 6vw);
}

@media (max-width: 768px) {
  .reader-container {
    padding: 0 max(28px, 6vw);
  }
}

/* Reader navbar */
.reader-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--reader-nav-height);
  background: rgba(248, 249, 252, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--reader-border);
}

.reader-navbar .reader-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.reader-logo {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--reader-accent), var(--reader-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.reader-nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.reader-nav-links a {
  color: var(--reader-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.reader-nav-links a:hover {
  color: var(--reader-accent);
}

.reader-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--reader-accent);
  color: #fff !important;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.reader-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.reader-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--reader-text);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .reader-nav-links {
    display: none;
  }
  .reader-menu-btn {
    display: flex;
  }
}

/* Mobile overlay */
.reader-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(248, 249, 252, 0.98);
  padding: 80px 24px 40px;
  display: none;
  flex-direction: column;
  gap: 4px;
}

.reader-mobile-overlay.active {
  display: flex;
}

.reader-mobile-overlay a {
  padding: 14px 0;
  color: var(--reader-text);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--reader-border);
}

.reader-mobile-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  font-size: 24px;
  color: var(--reader-text);
  cursor: pointer;
}

/* Breadcrumb */
.reader-breadcrumb {
  padding: 20px 0 8px;
  font-size: 13px;
  color: var(--reader-text-tertiary);
}

.reader-breadcrumb a {
  color: var(--reader-text-secondary);
  text-decoration: none;
}

.reader-breadcrumb a:hover {
  color: var(--reader-accent);
}

.reader-breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.6;
}

.reader-breadcrumb .current {
  color: var(--reader-text-tertiary);
}

/* Article header */
.reader-article-header {
  max-width: var(--reader-max-width);
  margin: 0 auto;
  padding: 32px 0 40px;
  text-align: center;
}

.reader-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.reader-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--reader-accent-light);
  color: var(--reader-accent);
  border: 1px solid rgba(79, 110, 247, 0.15);
  text-decoration: none;
}

.reader-tag.secondary {
  background: #fff;
  color: var(--reader-text-secondary);
  border-color: var(--reader-border);
}

.reader-article-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 24px;
  color: var(--reader-text);
}

.reader-article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--reader-text-secondary);
  font-size: 14px;
}

.reader-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reader-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--reader-accent), var(--reader-accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.reader-author-name {
  font-weight: 600;
  color: var(--reader-text);
}

.reader-author-role {
  font-size: 12px;
  color: var(--reader-text-tertiary);
}

@media (max-width: 768px) {
  .reader-article-header {
    padding: 24px 0 32px;
  }
  .reader-article-title {
    font-size: 28px;
    line-height: 1.35;
  }
  .reader-article-meta {
    font-size: 13px;
  }
}

/* Collapsible TOC */
.reader-toc {
  max-width: var(--reader-max-width);
  margin: 0 auto 32px;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  overflow: hidden;
}

.reader-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  background: #fff;
}

.reader-toc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--reader-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.reader-toc-toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s;
  color: var(--reader-text-secondary);
}

.reader-toc.open .reader-toc-toggle {
  transform: rotate(180deg);
}

.reader-toc-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  border-top: 1px solid transparent;
}

.reader-toc.open .reader-toc-list {
  max-height: 600px;
  border-top-color: var(--reader-border);
}

.reader-toc-list-inner {
  padding: 12px 20px 16px;
}

.reader-toc-list a {
  display: block;
  padding: 9px 0;
  color: var(--reader-text-secondary);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px solid var(--reader-border);
  transition: color 0.2s, padding-left 0.2s;
}

.reader-toc-list a:last-child {
  border-bottom: none;
}

.reader-toc-list a:hover,
.reader-toc-list a.active {
  color: var(--reader-accent);
}

.reader-toc-list a.h3 {
  padding-left: 16px;
  font-size: 13px;
}

@media (min-width: 769px) {
  .reader-toc {
    margin-bottom: 40px;
  }
  .reader-toc-header {
    cursor: default;
  }
  .reader-toc-toggle {
    display: none;
  }
  .reader-toc-list {
    max-height: none;
    border-top-color: var(--reader-border);
  }
}

/* Article content */
.reader-article {
  max-width: var(--reader-max-width);
  margin: 0 auto;
  padding-bottom: 80px;
}

.reader-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--reader-text);
}

.reader-content > *:first-child {
  margin-top: 0;
}

.reader-content p {
  margin: 0 0 24px;
}

.reader-content h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin: 56px 0 20px;
  color: var(--reader-text);
  scroll-margin-top: calc(var(--reader-nav-height) + 16px);
}

.reader-content h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.45;
  margin: 40px 0 16px;
  color: var(--reader-text);
  scroll-margin-top: calc(var(--reader-nav-height) + 16px);
}

.reader-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--reader-text);
}

.reader-content a {
  color: var(--reader-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 110, 247, 0.3);
  transition: border-color 0.2s;
}

.reader-content a:hover {
  border-bottom-color: var(--reader-accent);
}

.reader-content strong {
  font-weight: 700;
  color: var(--reader-text);
}

.reader-content ul,
.reader-content ol {
  margin: 0 0 24px;
  padding-left: 28px;
}

.reader-content li {
  margin-bottom: 10px;
}

.reader-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--reader-accent-light);
  border-left: 4px solid var(--reader-accent);
  border-radius: 0 var(--reader-radius-sm) var(--reader-radius-sm) 0;
  font-size: 16px;
  color: var(--reader-text-secondary);
}

.reader-content blockquote p:last-child {
  margin-bottom: 0;
}

.reader-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--reader-radius-sm);
  box-shadow: var(--reader-shadow);
  margin: 24px 0;
}

.reader-content code {
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  background: #f0f2f8;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--reader-accent-2);
}

.reader-content pre {
  background: #1a1d2b;
  color: #e8eaf2;
  padding: 20px;
  border-radius: var(--reader-radius-sm);
  overflow-x: auto;
  margin: 24px 0;
}

.reader-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

@media (max-width: 768px) {
  .reader-content {
    font-size: 17px;
    line-height: 1.95;
    color: #2d2d2d;
    letter-spacing: 0.02em;
    word-break: break-word;
  }
  .reader-content p {
    margin-bottom: 24px;
  }
  .reader-content h2 {
    font-size: 21px;
    margin: 44px 0 18px;
    line-height: 1.4;
    color: #1a1a2e;
  }
  .reader-content h3 {
    font-size: 18px;
    margin: 36px 0 16px;
    line-height: 1.4;
    color: #1a1a2e;
  }
  .reader-content ul,
  .reader-content ol {
    padding-left: 20px;
    margin-bottom: 24px;
  }
  .reader-content li {
    margin-bottom: 10px;
    line-height: 1.85;
  }
  .reader-content blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    font-size: 15px;
    border-left-width: 3px;
  }
  .reader-content strong {
    color: #1a1a2e;
  }
  .reader-container {
    padding: 0 24px !important;
  }
  .reader-article-header {
    padding: 20px 0 28px;
  }
  .reader-article-title {
    font-size: 24px;
    line-height: 1.4;
    margin-bottom: 16px;
  }
  .reader-article-meta {
    font-size: 12px;
    gap: 8px;
  }
}

/* Tables */
.reader-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--reader-radius-sm);
  border: 1px solid var(--reader-border);
}

.reader-table-wrap table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
  background: #fff;
}

.reader-table-wrap th,
.reader-table-wrap td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--reader-border);
}

.reader-table-wrap th {
  background: var(--reader-accent-light);
  font-weight: 600;
  color: var(--reader-text);
}

.reader-table-wrap tr:last-child td {
  border-bottom: none;
}

@media (max-width: 768px) {
  .reader-table-wrap table {
    font-size: 14px;
  }
  .reader-table-wrap th,
  .reader-table-wrap td {
    padding: 12px 14px;
  }
}

/* CTA Section */
.reader-cta {
  max-width: var(--reader-max-width);
  margin: 56px auto;
  padding: 40px;
  background: linear-gradient(135deg, #f0f4ff, #f8f0ff);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  text-align: center;
}

.reader-cta h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--reader-text);
}

.reader-cta p {
  font-size: 15px;
  color: var(--reader-text-secondary);
  margin: 0 0 24px;
  line-height: 1.7;
}

.reader-cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.reader-cta-qr {
  width: 150px;
  height: 150px;
  background: #fff;
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--reader-text-tertiary);
  font-size: 12px;
  text-align: center;
}

.reader-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  background: var(--reader-accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.reader-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.25);
}

@media (max-width: 768px) {
  .reader-cta {
    padding: 28px 20px;
    margin: 40px auto;
  }
  .reader-cta h2 {
    font-size: 20px;
  }
  .reader-cta-actions {
    flex-direction: column;
    gap: 20px;
  }
  .reader-cta-btn {
    width: 100%;
  }
}

/* Minimal byline for E-E-A-T */
.reader-byline {
  max-width: var(--reader-max-width);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--reader-border);
  text-align: right;
  font-size: 12px;
  color: var(--reader-text-tertiary);
}

@media (max-width: 768px) {
  .reader-byline {
    text-align: center;
  }
}

/* Related articles */
.reader-related {
  max-width: var(--reader-max-width);
  margin: 64px auto;
}

.reader-section-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
  color: var(--reader-text);
}

.reader-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reader-card {
  display: flex;
  flex-direction: column;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  padding: 24px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.reader-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--reader-shadow-hover);
}

.reader-card .reader-tags {
  justify-content: flex-start;
  margin-bottom: 12px;
}

.reader-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
  color: var(--reader-text);
}

.reader-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--reader-text-secondary);
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reader-card-meta {
  margin-top: auto;
  font-size: 12px;
  color: var(--reader-text-tertiary);
}

@media (max-width: 1024px) {
  .reader-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .reader-card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .reader-card {
    padding: 20px;
  }
  .reader-section-title {
    font-size: 20px;
  }
}

/* Archive page */
.reader-archive-header {
  max-width: var(--reader-max-width);
  margin: 0 auto;
  padding: 40px 0 32px;
  text-align: center;
}

.reader-archive-header h1 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--reader-text);
}

.reader-archive-header p {
  font-size: 16px;
  color: var(--reader-text-secondary);
  margin: 0;
}

.reader-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 24px 0 40px;
}

.reader-filter-tabs a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--reader-text-secondary);
  background: #fff;
  border: 1px solid var(--reader-border);
  text-decoration: none;
  min-height: 40px;
}

.reader-filter-tabs a:hover,
.reader-filter-tabs a.active {
  background: var(--reader-accent);
  color: #fff;
  border-color: var(--reader-accent);
}

.reader-archive-grid {
  max-width: var(--reader-max-width);
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.reader-archive-card {
  display: flex;
  flex-direction: column;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  padding: 24px;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.reader-archive-card:hover {
  box-shadow: var(--reader-shadow-hover);
}

.reader-archive-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin: 12px 0 10px;
  color: var(--reader-text);
}

.reader-archive-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--reader-text-secondary);
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reader-pagination {
  max-width: var(--reader-max-width);
  margin: 40px auto 80px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.reader-pagination a,
.reader-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.reader-pagination a {
  background: #fff;
  color: var(--reader-text);
  border: 1px solid var(--reader-border);
}

.reader-pagination a:hover {
  border-color: var(--reader-accent);
  color: var(--reader-accent);
}

.reader-pagination span.current {
  background: var(--reader-accent);
  color: #fff;
}

@media (max-width: 768px) {
  .reader-archive-header h1 {
    font-size: 26px;
  }
  .reader-archive-card {
    padding: 20px;
  }
}

/* Back to top */
.reader-back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  box-shadow: var(--reader-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s, transform 0.2s;
  z-index: 90;
}

.reader-back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.reader-back-to-top:hover {
  transform: translateY(-2px);
}

.reader-back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--reader-text-secondary);
  fill: none;
  stroke-width: 2;
}

/* Footer */
.reader-footer {
  background: var(--reader-surface);
  border-top: 1px solid var(--reader-border);
  padding: 40px 0;
  text-align: center;
  color: var(--reader-text-secondary);
  font-size: 14px;
}

.reader-footer a {
  color: var(--reader-text-tertiary);
  text-decoration: none;
}

/* ========================
   Hub / Academy Home
   ======================== */

.academy-hub .reader-hub-wrap {
  background: var(--reader-bg);
}

/* Hero */
.hub-hero {
  position: relative;
  padding: 80px 0 64px;
  background: linear-gradient(135deg, #1a1d2b 0%, #2d1b69 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.hub-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(79, 110, 247, 0.25), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.2), transparent 40%);
  pointer-events: none;
}

.hub-hero .reader-container {
  position: relative;
  z-index: 1;
}

.hub-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}

.hub-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 16px;
}

.hub-hero p {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.hub-search {
  position: relative;
  max-width: 640px;
  margin: 0 auto 28px;
  display: flex;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.hub-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.6);
  pointer-events: none;
}

.hub-search input {
  flex: 1;
  padding: 16px 16px 16px 48px;
  border: none;
  background: transparent;
  color: #fff;
  font-size: 15px;
  outline: none;
}

.hub-search input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.hub-search button {
  padding: 0 max(28px, 6vw);
  border: none;
  background: var(--reader-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.hub-search button:hover {
  background: #3d5ce6;
}

.hub-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  .hub-hero {
    padding: 56px 0 48px;
  }
  .hub-hero h1 {
    font-size: 30px;
  }
  .hub-hero p {
    font-size: 15px;
  }
  .hub-search {
    flex-direction: column;
    background: rgba(255, 255, 255, 0.1);
  }
  .hub-search button {
    padding: 14px;
  }
}

/* Hub sections */
.hub-section {
  padding: 64px 0;
}

.hub-section:nth-child(even) {
  background: #fff;
}

.hub-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.hub-section-header h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--reader-text);
}

.hub-section-header p {
  margin: 0;
  font-size: 15px;
  color: var(--reader-text-secondary);
}

.hub-link-all {
  color: var(--reader-accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.hub-link-all:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .hub-section {
    padding: 48px 0;
  }
  .hub-section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .hub-section-header h2 {
    font-size: 22px;
  }
}

/* Pillar cards */
.hub-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.hub-pillar-card {
  display: flex;
  flex-direction: column;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  padding: 28px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.hub-pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--reader-shadow-hover);
  border-color: rgba(79, 110, 247, 0.4);
}

.hub-pillar-icon {
  width: 48px;
  height: 48px;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--reader-accent-light);
  border-radius: 12px;
  margin-bottom: 16px;
}

.hub-pillar-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--reader-text);
}

.hub-pillar-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--reader-text-secondary);
  margin: 0 0 16px;
  flex: 1;
}

.hub-pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hub-pillar-tags span {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--reader-text-secondary);
  background: #f5f6fa;
  border: 1px solid var(--reader-border);
}

@media (max-width: 1024px) {
  .hub-pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hub-pillar-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .hub-pillar-card {
    padding: 22px;
  }
}

/* Category cards */
.hub-category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.hub-category-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hub-category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--reader-shadow-hover);
}

.hub-category-icon {
  width: 52px;
  height: 52px;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--reader-accent-light);
  border-radius: 12px;
  flex-shrink: 0;
}

.hub-category-info h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--reader-text);
}

.hub-category-info p {
  font-size: 14px;
  color: var(--reader-text-secondary);
  margin: 0 0 10px;
  line-height: 1.5;
}

.hub-category-count {
  font-size: 13px;
  color: var(--reader-accent);
  font-weight: 600;
}

@media (max-width: 768px) {
  .hub-category-grid {
    grid-template-columns: 1fr;
  }
  .hub-category-card {
    padding: 18px;
  }
}

/* Latest article cards */
.hub-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.hub-article-card {
  display: flex;
  flex-direction: column;
  background: var(--reader-surface);
  border: 1px solid var(--reader-border);
  border-radius: var(--reader-radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hub-article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--reader-shadow-hover);
}

.hub-article-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--reader-accent-light), #f0f0f8);
  overflow: hidden;
  text-decoration: none;
}

.hub-article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hub-article-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--reader-accent);
  font-size: 20px;
  font-weight: 700;
}

.hub-article-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.hub-article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--reader-text-tertiary);
}

.hub-article-body h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
}

.hub-article-body h3 a {
  color: var(--reader-text);
  text-decoration: none;
}

.hub-article-body h3 a:hover {
  color: var(--reader-accent);
}

.hub-article-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--reader-text-secondary);
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.hub-article-date {
  font-size: 12px;
  color: var(--reader-text-tertiary);
}

.hub-empty {
  text-align: center;
  padding: 48px;
  background: var(--reader-surface);
  border: 1px dashed var(--reader-border);
  border-radius: var(--reader-radius);
  color: var(--reader-text-secondary);
}

@media (max-width: 1024px) {
  .hub-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hub-article-grid {
    grid-template-columns: 1fr;
  }
}

/* Hub CTA override */
.academy-hub .reader-cta {
  margin: 0 auto;
}

/* Active nav link */
.reader-nav-links a.active {
  color: var(--reader-accent);
}

@media (max-width: 768px) {
  .reader-wrap {
    padding-left: 4px;
    padding-right: 4px;
  }
}

@media (max-width: 768px) {
  html body.academy-reader .reader-container {
    padding-left: max(28px, 6vw) !important;
    padding-right: max(28px, 6vw) !important;
  }
  html body.academy-reader .reader-content {
    font-size: 17px !important;
    line-height: 1.95 !important;
  }
}