/* page-article-detail.css
   Page-scoped snapshot migrated from split CSS sources.
   Baseline parity pass: preserves existing look while enabling isolated edits.
*/

/* === from base.css === */
.blog-content strong,
.blog-content b {
  color: var(--accent-hover);
}

.blog-content {
  width: min(70ch, 100%);
  margin-left: auto;
  margin-right: auto;
}

.blog-content h2 {
  line-height: var(--leading-snug);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.blog-content h3 {
  line-height: var(--leading-snug);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.blog-content ul,
.blog-content ol {
  margin-bottom: var(--space-6);
}

.blog-content li {
  margin-bottom: var(--space-3);
}

.blog-content li > ul,
.blog-content li > ol {
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.blog-content h1[id],
.blog-content h2[id],
.blog-content h3[id],
.blog-content h4[id],
.blog-content h5[id],
.blog-content h6[id] {
  scroll-margin-top: calc(var(--topbar-height, 56px) + var(--subnav-height, 0px) + var(--space-6));
}

.blog-content > * + h2[id] {
  margin-top: var(--space-12);            /* 48px — hard visual stop between sections */
  padding-top: var(--space-6);            /* 24px gap between divider line and heading */
  border-top: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);  /* section divider — respects theme accent */
}

.blog-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;          /* slightly smaller than body so it doesn't dominate */
  background: var(--code-bg, rgba(255,255,255,0.07));
  border: 1px solid var(--code-border, rgba(255,255,255,0.1));
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  color: var(--accent-hover); /* accent color = code term is a named thing, not prose */
  word-break: break-word;
}

.blog-content pre {
  background: var(--code-bg, rgba(255,255,255,0.04));
  border: 1px solid var(--code-border, rgba(255,255,255,0.1));
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-10) 0;
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.7;           /* slightly looser for multi-line shell output */
  box-shadow: 0 4px 16px rgba(0,0,0,0.25), 0 1px 0 rgba(255,255,255,0.05) inset;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
.blog-content pre {
    position: relative;
  }

.blog-content pre::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 32px;
    background: linear-gradient(to right, transparent, var(--code-bg, #1e1e1e));
    pointer-events: none;
    border-radius: 0 var(--radius-md, 6px) var(--radius-md, 6px) 0;
  }
}

@media (max-width: 768px) {
.blog-content pre,
  .content-body pre {
    padding: var(--space-4);
  }
}

.blog-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
  word-break: normal;
}

@media print {
.topbar, .sidebar, .bottom-nav, .reading-progress,
  .mark-done, .next-topic, .quick-check__reveal,
  .deep-dive__toggle, .reading-controls,
  .course-banner, .subnav, .onpage-nav, .topic-nav,
  .related-topics, .share-btn, .section-share-btn,
  .pagefind-ui { display: none !important; }
}

[data-theme="light-warm"] .blog-list__item,
[data-theme="pure-white"] .blog-list__item,
[data-theme="sepia"] .blog-list__item {
  background: var(--bg-surface);
  border-color: var(--border-default);
}

[data-theme="light-warm"] .blog-list__tag,
[data-theme="pure-white"] .blog-list__tag,
[data-theme="sepia"] .blog-list__tag {
  background: var(--bg-elevated);
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin: var(--space-6) 0;
}

/* === from layout.css === */
.onpage-nav {
  display: none;
  width: 200px;
  flex-shrink: 0;
  padding: var(--space-5) var(--space-3);
  position: sticky;
  top: calc(var(--topbar-height) + var(--subnav-height) + var(--space-6));
  max-height: calc(100vh - var(--topbar-height) - var(--subnav-height) - var(--space-12));
  overflow-y: auto;
  scrollbar-width: none;
  align-self: flex-start;
}

.onpage-nav::-webkit-scrollbar {
  display: none;
}

.onpage-nav__title {
  font-size: var(--text-xs); /* was 10px — below WCAG minimum, now 12px */
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary); /* was text-muted — TOC label must be discoverable */
  margin-bottom: var(--space-3);
  padding-left: var(--space-3);
}

.onpage-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.onpage-nav__link {
  display: block;
  padding: var(--space-2) var(--space-3); /* was 5px — now space-2 (8px) top/bottom = 36px+ tap target */
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.4;
  min-height: 36px; /* explicit floor — meets touch target minimum */
  display: flex;
  align-items: center;
}

.onpage-nav__link:hover {
  color: var(--text-secondary);
  background: var(--bg-elevated);
  text-decoration: none;
}

.onpage-nav__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.onpage-nav__link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  border-left-width: 3px;         /* thicker bar = stronger "you are here" signal */
  background: var(--accent-dim);
  font-weight: var(--weight-semibold); /* weight bump — active item must POP vs inactive */
}

.toc-mobile-btn {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast);
  min-height: 44px;
}

.toc-mobile-btn:hover {
  background: var(--bg-surface);
  border-color: var(--accent-border);
  color: var(--text-primary);
}

@media (max-width: 1023px) {
[data-page="blog"] .toc-mobile-btn {
    display: inline-flex;
  }
}

.onpage-nav--open {
  display: block;
  position: fixed;
  top: calc(var(--topbar-height) + var(--space-4));
  right: var(--space-4);
  left: var(--space-4);
  z-index: var(--z-dropdown, 300);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  max-height: 60vh;
  overflow-y: auto;
}

@media (max-width: 768px) {
.blog-content p,
  .blog-content li,
  .topic-content p,
  .topic-content li {
    margin-bottom: var(--space-7); /* 28px — up from 24px */
  }
}

@media (min-width: 1024px) {
.onpage-nav {
    display: none;
  }
}

/* onpage-nav sidebar removed — clean breathing space for inline ads */

body.focus-mode .sidebar,
body.focus-mode .site-footer,
body.focus-mode .topbar__breadcrumb,
body.focus-mode .onpage-nav,
body.focus-mode .related-topics,
body.focus-mode .topic-explore,
body.focus-mode .article-course-cta,
body.focus-mode .continue-section {
  display: none !important;
}

/* === from components.css === */
.tldr {
  position: relative;
  background: linear-gradient(160deg,
    rgba(124,106,247,0.10) 0%,
    rgba(124,106,247,0.04) 100%);
  border: 1px solid rgba(124,106,247,0.22);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-10);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.07) inset,
    0 8px 24px rgba(0,0,0,0.35),
    0 2px 6px rgba(0,0,0,0.25);
  overflow: hidden;
}

.tldr::before {
  display: none;
}

.tldr::after {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #8b7cf8 0%, #6356d4 100%);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.tldr__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tldr__skip {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(124,106,247,0.3);
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

.tldr__skip:hover {
  background: rgba(124,106,247,0.1);
  border-color: rgba(124,106,247,0.5);
  text-decoration: none;
}

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

.tldr__title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.tldr__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tldr__list li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
}

.tldr__list li:last-child { margin-bottom: 0; }

.tldr__list li p,
.key-takeaways__list li p {
  margin-bottom: 0;
}

.tldr__list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.related-topics {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.related-topics__heading {
  font-size: var(--text-lg);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.related-topics__list {
  list-style: none;
  padding: 0;
}

.related-topics__list li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.related-topics__list li:last-child { border-bottom: none; }

.related-topics__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: color 150ms var(--ease-out);
}

.related-topics__link:hover {
  color: var(--accent);
}

.related-topics__title {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.related-topics__type {
  font-size: var(--text-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
  margin-left: var(--space-2);
}

.related-topics__direct {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out);
}

.related-topics__direct:hover {
  color: var(--accent);
  border-color: var(--accent-border);
}

@media (max-width: 768px) {
.related-topics__list {
    flex-direction: column;
    gap: var(--space-2);
  }

.related-topics__direct {
    display: block;
    text-align: left;
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    width: 100%;
  }
}

@media (max-width: 768px) {
.tldr { padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 4px); }
}

/* === from pages.css === */
.blog-list__item[data-tier].tier-hidden {
  display: none;
}

.blog-list {
  display: grid;
  gap: var(--space-3);           /* 12px between cards — tight rows, groups handle breathing room */
}

.blog-list__item {
  position: relative;
  padding: var(--space-5) var(--space-6); /* 20px top/bottom, 24px right */
  padding-left: calc(var(--space-6) + 4px + var(--space-4)); /* bar(4px) + gap(16px) + indent(24px) = 44px — content doesn't touch left edge */
  background: linear-gradient(135deg,
    rgba(255,255,255,0.05) 0%,
    rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 4px 14px rgba(0,0,0,0.25),
    0 1px 4px rgba(0,0,0,0.15);
  transition:
    transform 120ms var(--ease-out),
    border-color 100ms,
    box-shadow 120ms var(--ease-out);
  overflow: hidden;
}

.blog-list__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.08);
  transition: background 120ms var(--ease-out);
}

.blog-list__item:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 10px 24px rgba(0, 0, 0, 0.32),
    0 3px 7px rgba(0, 0, 0, 0.2);
}

.blog-list__item:hover::before {
  background: rgba(255, 255, 255, 0.2);
}

.blog-list__item:focus-within {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 0 0 2px rgba(255, 255, 255, 0.06),
    0 6px 16px rgba(0, 0, 0, 0.28);
}

.blog-list__link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.blog-list__link:hover,
.blog-list__link:focus {
  text-decoration: none;
}

.blog-list__body {
  flex: 1;
  min-width: 0;
}

.course-section-group .blog-list__body {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.blog-list__text {
  flex: 1;
  min-width: 0;
}

.blog-list__arrow {
  flex-shrink: 0;
  color: var(--text-muted);
  opacity: 0.4;
  transition: opacity 150ms, transform 150ms var(--ease-out);
}

.blog-list__item:hover .blog-list__arrow {
  opacity: 1;
  color: rgba(255, 255, 255, 0.7);
  transform: translateX(3px);
}

.blog-list__title {
  font-size: var(--text-xl);     /* was text-lg (19px) → 20px — creates real hierarchy gap */
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  line-height: var(--leading-snug);
  margin: 0 0 var(--space-3);   /* was space-1 (4px) → 12px — title breathes from body */
  transition: color 120ms;
}

.blog-list__link:hover .blog-list__title {
  color: rgba(255, 255, 255, 0.95);
}

.blog-list__description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  margin: 0 0 var(--space-4);   /* was space-2 (8px) → 16px — clear stop before meta */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-list__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);  /* was text-muted — readable meta */
  flex-wrap: wrap;
}

.blog-list__meta-sep {
  color: var(--text-muted);
  user-select: none;
}

.blog-list__top-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.blog-list__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.blog-list__badge--beginner {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
}

.blog-list__badge--intermediate {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

.blog-list__badge--advanced {
  background: rgba(251, 113, 133, 0.15);
  color: #fb7185;
}

:is([data-theme="light-warm"], [data-theme="pure-white"], [data-theme="sepia"]) .blog-list__badge--beginner {
  background: rgba(22, 163, 74, 0.1);
  color: #059669;
}

:is([data-theme="light-warm"], [data-theme="pure-white"], [data-theme="sepia"]) .blog-list__badge--intermediate {
  background: rgba(217, 119, 6, 0.1);
  color: #b45309;
}

:is([data-theme="light-warm"], [data-theme="pure-white"], [data-theme="sepia"]) .blog-list__badge--advanced {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
}

.blog-list__tech-tag {
  font-size: 12px;
  font-weight: var(--weight-medium);
  text-transform: capitalize;
  color: var(--text-muted);
  padding: 2px 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.blog-list__has-faq {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--accent);
  opacity: 0.8;
}

.blog-list__type {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: capitalize;
  letter-spacing: 0.04em;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  vertical-align: middle;
  line-height: 1.6;
  /* default — explainer / general */
  background: rgba(124,106,247,0.12);
  border-color: rgba(124,106,247,0.25);
  color: var(--accent-hover);
}

.blog-list__item[data-type="cheatsheet"] .blog-list__type,
.blog-list__type--cheatsheet {
  background: rgba(74,158,222,0.12);
  border-color: rgba(74,158,222,0.3);
  color: #4a9ede;
}

.blog-list__item[data-type="comparison"] .blog-list__type,
.blog-list__item[data-type="comparisons"] .blog-list__type,
.blog-list__item[data-type="versus"] .blog-list__type,
.blog-list__type--versus {
  background: rgba(232,168,56,0.12);
  border-color: rgba(232,168,56,0.3);
  color: #e8a838;
}

.blog-list__item[data-type="debugging"] .blog-list__type,
.blog-list__item[data-type="troubleshooting"] .blog-list__type,
.blog-list__type--troubleshooting {
  background: rgba(224,122,95,0.12);
  border-color: rgba(224,122,95,0.3);
  color: #e07a5f;
}

.blog-list__item[data-type="article"] .blog-list__type {
  background: rgba(124,106,247,0.12);
  border-color: rgba(124,106,247,0.25);
  color: var(--accent-hover);
}

.blog-list__item[data-type="roadmap"] .blog-list__type,
.blog-list__type--roadmap {
  background: rgba(156,106,222,0.12);
  border-color: rgba(156,106,222,0.3);
  color: #9c6ade;
}

.blog-list__tag {
  font-size: var(--text-xs);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 1px var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--text-secondary); /* was text-muted — fails AA at small size */
}

@media (min-width: 1024px) {
.blog-list {
    grid-template-columns: 1fr;
  }
}

.blog-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--space-12) 0;
}

.blog-latest__see-all {
  display: block;
  text-align: center;
  margin-top: var(--space-4);
  color: var(--accent);
}

.article-next {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 2px solid var(--border-default);
  position: relative;
}

.article-next::before {
  content: '✓ Article complete';
  position: absolute;
  top: -0.75em;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-base);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-next__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.article-next__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.article-next__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color 120ms, background 120ms;
  min-height: 44px;
}

.article-next__back:hover {
  color: var(--accent);
  background: var(--bg-elevated);
  text-decoration: none;
}

.article-next__back:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.article-next__back-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.article-next__back--btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}

.article-next__back--btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.article-next__browse {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.article-next__browse:hover {
  background: var(--surface-3);
  border-color: var(--accent);
}

.article-next__cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg,
    rgba(124,106,247,0.10) 0%,
    rgba(124,106,247,0.04) 100%);
  border: 1px solid rgba(124,106,247,0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.07) inset,
    0 4px 14px rgba(0,0,0,0.2),
    0 1px 4px rgba(0,0,0,0.15);
  transition:
    transform 180ms var(--ease-out),
    border-color 150ms,
    box-shadow 180ms var(--ease-out);
}

.article-next__cta:hover {
  transform: translateY(-2px);
  border-color: rgba(124,106,247,0.45);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.1) inset,
    0 8px 24px rgba(0,0,0,0.28),
    0 0 18px rgba(124,106,247,0.12);
  text-decoration: none;
}

.article-next__cta-text {
  flex: 1;
  min-width: 0;
}

.article-next__cta-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: var(--space-1);
}

.article-next__cta-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  line-height: var(--leading-snug);
}

.article-next__cta svg {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.7;
}

.article-next__cta:hover svg {
  opacity: 1;
}

.article-next__cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-lg);
}

@media (max-width: 768px) {
.article-next {
    margin-top: var(--space-8);
    padding-top: var(--space-5);
  }

.article-next::before {
    top: -0.65em;
    font-size: var(--text-xs);
    padding: 0 var(--space-2);
  }

.article-next__back-row {
    flex-direction: column;
    align-items: stretch;
  }

.article-next__back--btn,
  .article-next__browse {
    justify-content: center;
  }

.article-next__cta {
    flex-wrap: wrap;
    padding: var(--space-3);
    gap: var(--space-3);
  }
}

.article-course-cta {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}

.article-course-cta__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0 0 var(--space-2);
}

.article-course-cta__link {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.article-course-cta__link:hover {
  text-decoration: underline;
}

.versus-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 4px 14px rgba(0,0,0,0.2);
}

.versus-header__side {
  flex: 1;
  text-align: center;
  padding: var(--space-3);
  border-radius: var(--radius-md);
}

.versus-header__side--a {
  background: rgba(124,106,247,0.1);
  border: 1px solid rgba(124,106,247,0.2);
}

.versus-header__side--b {
  background: rgba(52,211,153,0.08);
  border: 1px solid rgba(52,211,153,0.15);
}

.versus-header__label {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.versus-header__vs {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.qa-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.qa-reveal-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: rgba(124,106,247,0.1);
  border: 1px solid rgba(124,106,247,0.22);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background 120ms, box-shadow 120ms, transform 80ms;
  box-shadow: 0 2px 0 rgba(0,0,0,0.2), 0 1px 0 rgba(255,255,255,0.06) inset;
}

.qa-reveal-all:hover {
  background: rgba(124,106,247,0.16);
  box-shadow: 0 3px 0 rgba(0,0,0,0.25), 0 1px 0 rgba(255,255,255,0.06) inset;
  transform: translateY(-1px);
}

.qa-reveal-all:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.2);
}

.qa-reveal-all:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.qa-progress {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.qa-section {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
}

.qa-section__heading {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  margin: 0 0 var(--space-4);
}

.qa-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.qa-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  overflow: hidden;
  transition: border-color 150ms, box-shadow 150ms;
}

.qa-item.open {
  border-color: rgba(124,106,247,0.25);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.qa-item.reviewed {
  opacity: 0.5;
}

.qa-item__question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-align: left;
  cursor: pointer;
  transition: background 120ms;
}

.qa-item__question:hover {
  background: rgba(255,255,255,0.03);
}

.qa-item__question:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.qa-item__chevron {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--text-muted);
  transition: transform 200ms var(--ease-out);
}

.qa-item.open .qa-item__chevron {
  transform: rotate(180deg);
}

.qa-item__answer {
  padding: 0 var(--space-4) var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.qa-item__answer p {
  margin: var(--space-3) 0 var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.qa-item__got-it {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.2);
  border-radius: var(--radius-full);
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background 120ms;
}

.qa-item__got-it:hover {
  background: rgba(52,211,153,0.18);
}

.qa-item__got-it:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 2px;
}

@media (max-width: 768px) {
.blog-list__item {
    padding-left: calc(var(--space-4) + 4px + var(--space-2));
    padding-right: var(--space-4);
  }
}

@media print {
.blog-content {
    font-size: 11pt;
  }
}

.related-topics { margin: var(--space-8) 0 0; padding-top: var(--space-6); border-top: 1px solid var(--border); }

.related-topics__heading { font-size: var(--text-sm); font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-3); }

.related-topics__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }

.related-topics__link { font-size: var(--text-base); color: var(--text); text-decoration: none; padding: var(--space-2) 0; display: block; border-bottom: 1px solid transparent; }

.related-topics__link:hover { color: var(--accent); }

.related-topics__heading {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.related-topics__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.related-topics__tag {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  text-decoration: none;
  text-transform: capitalize;
  transition: all 120ms var(--ease-out);
}

.related-topics__tag:hover {
  background: rgba(124, 106, 247, 0.12);
  border-color: rgba(124, 106, 247, 0.3);
  color: var(--accent);
  transform: translateY(-1px);
}

@media (min-width: 1280px) {
.tldr {
    position: sticky;
    top: calc(var(--topbar-height, 48px) + var(--space-4));
    z-index: var(--z-raised);
    max-width: 768px;
  }
}

@media (max-width: 768px) {
.tldr {
    padding: var(--space-3);
  }

.tldr__list li {
    padding-left: var(--space-3);
  }
}

.page-header__version {
  margin: var(--space-1) 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.page-header__version code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ── Page-header tag modifiers ── */
.page-header__tag--difficulty.page-header__tag--beginner .page-header__dot { color: #22c55e; }
.page-header__tag--difficulty.page-header__tag--intermediate .page-header__dot { color: #f59e0b; }
.page-header__tag--difficulty.page-header__tag--advanced .page-header__dot { color: #ef4444; }
.page-header__tag--difficulty { color: var(--text-secondary); }

.page-header__tag--relevance {
  color: var(--text-secondary);
}
.page-header__tag--relevance svg {
  flex-shrink: 0;
  color: var(--accent, #7c6af7);
}

.page-header__tag--time {
  color: var(--text-muted);
}

.related-topics__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-topics__direct {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--accent);
  text-decoration: none;
  transition: background 120ms, border-color 120ms;
}

.related-topics__direct:hover {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  text-decoration: none;
}

.context-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-4);
  background: rgba(124, 106, 247, 0.06);
  border: 1px solid rgba(124, 106, 247, 0.15);
  border-radius: var(--radius-md, 8px);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}

.context-banner__text { flex: 1; min-width: 0; }

.context-banner__text a { color: var(--accent); text-decoration: none; font-weight: 500; }

.context-banner__text a:hover { text-decoration: underline; }

.context-banner__dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 var(--space-1);
  opacity: 0.6;
  transition: opacity 0.15s;
}

.context-banner__dismiss:hover { opacity: 1; }

details.tldr {
  padding: 0;
  overflow: hidden;
}

details.tldr summary.tldr__header {
  cursor: pointer;
  list-style: none;
  padding: var(--space-5) var(--space-6);
  margin-bottom: 0;
  user-select: none;
}

details.tldr summary.tldr__header::-webkit-details-marker { display: none; }

details.tldr summary.tldr__header::marker { display: none; }

details.tldr summary.tldr__header .tldr__chevron {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform 200ms var(--ease-out, ease-out);
  display: flex;
  align-items: center;
}

details.tldr[open] summary.tldr__header .tldr__chevron {
  transform: rotate(180deg);
}

details.tldr .tldr__body {
  padding: 0 var(--space-6) var(--space-5);
}

/* --- god-tier hardening overrides (detail pages) --- */
body[data-page="article-detail"],
body[data-page="debugging-detail"] {
  overflow-x: hidden;
  overflow-x: clip;
}

body[data-page="article-detail"] .main-content,
body[data-page="article-detail"] .content-body,
body[data-page="debugging-detail"] .main-content,
body[data-page="debugging-detail"] .content-body {
  min-width: 0;
  overflow-x: hidden;
  overflow-x: clip;
}

body[data-page="article-detail"] .content-body,
body[data-page="debugging-detail"] .content-body {
  width: min(100%, 1180px);
  margin-inline: auto;
}

.blog-content {
  max-width: 74ch;
  min-width: 0;
}

.blog-content img,
.blog-content video,
.blog-content iframe,
.blog-content svg,
.blog-content table {
  max-width: 100%;
}

.blog-content pre {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.blog-content code {
  overflow-wrap: anywhere;
}

.toc-mobile-btn {
  min-height: 44px;
}

.article-next__back-row {
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  body[data-page="article-detail"] .content-body,
  body[data-page="debugging-detail"] .content-body {
    width: min(100%, 100%);
  }

  .onpage-nav {
    max-width: min(94vw, 420px);
  }
}

@media (max-width: 768px) {
  .page-header__title {
    font-size: clamp(1.55rem, 7vw, 2rem);
    line-height: 1.2;
  }

  .page-header__meta {
    row-gap: var(--space-2);
  }

  .blog-content {
    max-width: 100%;
  }

  .blog-content pre {
    font-size: 0.9rem;
  }

  .article-next__cta {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 480px) {
  .page-header__section-tag {
    min-height: 36px;
  }

  .page-header__title {
    font-size: clamp(1.35rem, 8vw, 1.75rem);
  }

  .blog-content pre {
    font-size: 0.84rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-next__cta,
  .toc-mobile-btn,
  .onpage-nav {
    transition: none !important;
  }
}

/* --- missing-template classes: cheatsheet strip on article layout --- */
.cheatsheet-badge-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(124, 106, 247, 0.25);
  border-radius: var(--radius-lg);
  background: rgba(124, 106, 247, 0.08);
}

.cheatsheet-badge-strip__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.cheatsheet-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(124, 106, 247, 0.28);
  background: rgba(124, 106, 247, 0.15);
  color: var(--text-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.cheatsheet-badge--tested {
  border-color: rgba(52, 211, 153, 0.3);
  background: rgba(52, 211, 153, 0.14);
}

.cheatsheet-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  font-family: inherit;
  cursor: pointer;
}

.cheatsheet-action-btn:hover {
  color: var(--text-primary);
  border-color: rgba(124, 106, 247, 0.28);
}

.cheatsheet-action-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .cheatsheet-badge-strip {
    padding: var(--space-3);
  }

  .cheatsheet-action-btn {
    min-height: 44px;
  }
}