/* TableTap — blog pages (interactive + SEO-friendly layout) */

/* Sticky/fixed TOC breaks when body hides horizontal overflow */
body.blog-page.blog-single {
  overflow-x: visible;
}

.blog-page .blog-read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--brand), var(--amber));
  z-index: 200;
  transition: width 0.1s linear;
  pointer-events: none;
}

.blog-main {
  padding: 24px 0 72px;
  min-height: 65vh;
}

.blog-index-wrap {
  max-width: var(--max);
}

.blog-single-wrap {
  max-width: var(--max);
}

.blog-wrap {
  max-width: 720px;
}

/* Reveal animation */
.blog-page .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.blog-page .reveal.in-view {
  opacity: 1;
  transform: none;
}

/* Hero */
.blog-hero {
  margin-bottom: 32px;
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.blog-hero h1,
.blog-article h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  line-height: 1.12;
  margin: 12px 0 16px;
  letter-spacing: -0.025em;
}

.blog-lead {
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.65;
}

/* Toolbar */
.blog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.blog-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink-soft);
}

.blog-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.12);
}

.blog-search input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 0;
  font: inherit;
  color: var(--ink);
  outline: none;
}

.blog-search input::placeholder {
  color: var(--ink-soft);
  opacity: 0.75;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-filter {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.blog-filter:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.blog-filter.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.blog-no-results {
  text-align: center;
  color: var(--ink-soft);
  padding: 32px;
}

/* Tags */
.blog-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
}

a.blog-tag:hover {
  background: var(--brand);
  color: #fff;
}

/* Featured */
.blog-featured {
  position: relative;
  margin-bottom: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--brand-soft) 0%, var(--surface) 55%);
  border: 1px solid rgba(232, 93, 4, 0.2);
  box-shadow: var(--shadow);
}

.blog-featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
}

.blog-featured-inner {
  padding: 32px 28px;
}

.blog-featured-meta,
.blog-article-meta,
.blog-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.blog-featured h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 12px;
  line-height: 1.25;
}

.blog-featured h2 a:hover,
.blog-card h2 a:hover,
.blog-related-card h3 a:hover {
  color: var(--brand);
}

.blog-featured p {
  color: var(--ink-soft);
  margin: 0 0 20px;
  max-width: 58ch;
}

/* Grid */
.blog-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(232, 93, 4, 0.25);
}

.blog-card h2 {
  font-size: 1.15rem;
  margin: 0 0 10px;
  line-height: 1.35;
  flex: 1;
}

.blog-card p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

.blog-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.blog-read-time {
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.blog-read {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--brand);
}

/* Single layout */
.blog-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.blog-breadcrumb a:hover {
  color: var(--brand);
}

.blog-single-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

.blog-single-main {
  min-width: 0;
}

@media (min-width: 960px) {
  .blog-single-layout {
    grid-template-columns: 220px 1fr;
  }

  .blog-single-layout:not(:has(.blog-toc-aside)) {
    grid-template-columns: 1fr;
  }
}

.blog-toc-aside {
  position: relative;
  align-self: start;
}

@media (max-width: 959px) {
  .blog-toc-aside {
    order: 2;
  }
}

.blog-toc-panel {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 960px) {
  .blog-toc-panel.is-fixed {
    position: fixed;
    top: 88px;
    z-index: 50;
    max-height: calc(100vh - 104px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
  }

  .blog-toc-panel.is-fixed::-webkit-scrollbar {
    width: 5px;
  }

  .blog-toc-panel.is-fixed::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 999px;
  }

  .blog-toc-aside.is-at-bottom .blog-toc-panel {
    position: absolute;
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
  }
}

.blog-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

#blog-toc-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}

#blog-toc-nav li {
  margin-bottom: 2px;
  counter-increment: toc;
}

#blog-toc-nav a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}

#blog-toc-nav a::before {
  content: counter(toc);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

#blog-toc-nav a:hover {
  color: var(--brand);
  background: rgba(232, 93, 4, 0.06);
}

#blog-toc-nav li.is-active > a,
#blog-toc-nav a.active {
  color: var(--brand-dark);
  font-weight: 600;
  background: var(--brand-soft);
}

#blog-toc-nav li.is-active > a::before,
#blog-toc-nav a.active::before {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.blog-toc-l3 a {
  padding-left: 20px;
  font-size: 0.8125rem;
}

.blog-toc-l3 a::before {
  content: '·';
  width: 22px;
  height: 22px;
  line-height: 22px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--line);
  background: transparent;
  border: none;
  border-radius: 0;
}

.blog-toc-l3.is-active > a::before,
.blog-toc-l3 a.active::before {
  color: var(--brand);
  background: transparent;
  border: none;
}

.blog-article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px 32px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 640px) {
  .blog-article {
    padding: 36px 40px 40px;
  }
}

.blog-article-head {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.blog-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.blog-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s;
}

.blog-share-btn:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-dark);
}

/* Body content */
.blog-body {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--ink);
}

.blog-body h2 {
  font-size: 1.4rem;
  margin: 2.25rem 0 0.85rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 88px;
}

.blog-body h3 {
  font-size: 1.125rem;
  margin: 1.75rem 0 0.6rem;
  scroll-margin-top: 88px;
}

.blog-body p {
  margin: 0 0 1.1rem;
}

.blog-body ul,
.blog-body ol {
  margin: 0 0 1.1rem 1.25rem;
  padding: 0;
}

.blog-body li {
  margin-bottom: 0.45rem;
}

.blog-body a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-body strong {
  color: var(--ink);
  font-weight: 600;
}

/* Rich content blocks */
.blog-body .blog-callout,
.blog-body .blog-tip,
.blog-body .blog-stat {
  margin: 1.5rem 0;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--brand);
}

.blog-body .blog-callout {
  background: var(--brand-soft);
}

.blog-body .blog-tip {
  background: var(--teal-soft);
  border-left-color: var(--teal);
}

.blog-body .blog-stat {
  background: var(--blue-soft);
  border-left-color: var(--blue);
  text-align: center;
}

.blog-body .blog-stat strong {
  display: block;
  font-size: 1.75rem;
  color: var(--brand);
  margin-bottom: 4px;
}

.blog-body blockquote {
  margin: 1.5rem 0;
  padding: 16px 20px;
  border-left: 4px solid var(--line);
  background: var(--bg);
  font-style: italic;
  color: var(--ink-soft);
}

/* Related */
.blog-related {
  margin-top: 48px;
}

.blog-related h2 {
  font-size: 1.35rem;
  margin-bottom: 20px;
}

.blog-related-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.blog-related-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-related-card:hover {
  border-color: rgba(232, 93, 4, 0.3);
  box-shadow: var(--shadow-sm);
}

.blog-related-card h3 {
  font-size: 1rem;
  margin: 8px 0;
  line-height: 1.35;
}

.blog-related-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* CTA */
.blog-cta {
  margin-top: 48px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--brand-soft), var(--surface));
  border-radius: var(--radius);
  border: 1px solid rgba(232, 93, 4, 0.18);
}

.blog-cta-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.blog-cta h2,
.blog-cta-inline h2 {
  font-size: 1.25rem;
  margin: 0 0 8px;
}

.blog-cta p,
.blog-cta-inline p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
}

.blog-cta-inline {
  margin-top: 36px;
  padding: 24px;
  text-align: left;
  background: var(--brand-soft);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(232, 93, 4, 0.15);
}

.blog-cta-inline p {
  margin-left: 0;
  margin-right: 0;
}

.blog-back-link {
  margin-top: 36px;
  text-align: center;
}

.blog-back-link a {
  color: var(--brand);
  font-weight: 600;
}

.blog-empty {
  color: var(--ink-soft);
  text-align: center;
  padding: 40px;
}

@media (max-width: 640px) {
  .blog-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .blog-filter {
    flex-shrink: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-page .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .blog-card:hover {
    transform: none;
  }
}