/* Blog — minimal, technical */

.blog-listing-page .blog-main {
  background: #fff;
}

.blog-hero {
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 2.5rem;
  padding: 2.25rem 0 2rem;
}

.blog-eyebrow {
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

.blog-hero h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 0.65rem;
}

.blog-hero-lead {
  color: #4b5563;
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  max-width: 42rem;
}

.blog-index {
  padding-bottom: 4rem;
}

.blog-filters-bar {
  margin-bottom: 1.75rem;
}

.blog-filters-head {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.blog-filters-label {
  color: #111827;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

.blog-filters-hint {
  color: #6b7280;
  font-size: 0.82rem;
  margin: 0;
}

.blog-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.blog-filter-tag,
.blog-entry-tag {
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  color: #4b5563;
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
  padding: 0.35rem 0.7rem;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.blog-filter-tag:hover,
.blog-entry-tag:hover {
  border-color: #7a003c;
  color: #7a003c;
}

.blog-filter-tag.active,
.blog-entry-tag.active {
  background: #7a003c;
  border-color: #7a003c;
  color: #fff;
}

.blog-filter-clear {
  background: transparent;
  border: 0;
  color: #6b7280;
  cursor: pointer;
  font-size: 0.82rem;
  padding: 0.35rem 0.5rem;
  text-decoration: underline;
}

.blog-filter-clear:hover {
  color: #7a003c;
}

.blog-entry-list {
  display: grid;
  gap: 0;
}

.blog-entry {
  border-top: 1px solid #e5e7eb;
  padding: 1.35rem 0;
}

.blog-entry:last-child {
  border-bottom: 1px solid #e5e7eb;
}

.blog-entry-link {
  align-items: start;
  color: inherit;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 11rem 1fr auto;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.blog-entry-link:hover {
  opacity: 0.92;
}

.blog-entry-link:hover .blog-entry-title {
  color: #7a003c;
}

.blog-entry-cover {
  align-self: start;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  flex-shrink: 0;
  overflow: hidden;
  width: 11rem;
}

.blog-entry-cover img {
  display: block;
  height: auto;
  object-fit: contain;
  width: 100%;
}

.blog-entry-date {
  color: #9ca3af;
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  line-height: 1.4;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}

.blog-entry-content {
  display: grid;
  gap: 0;
  min-width: 0;
}

.blog-entry-title {
  color: #111827;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.4rem;
  transition: color 0.15s ease;
}

.blog-entry-excerpt {
  border-left: 2px solid #e5e7eb;
  color: #6b7280;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
  padding-left: 0.75rem;
}

.blog-entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.85rem 0 0 12.25rem;
}

.blog-entry-footer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: space-between;
}

.blog-entry-footer .blog-entry-tags {
  margin: 0.85rem 0 0 12.25rem;
}

.blog-entry-lang {
  margin: 0.85rem 0 0;
}

.blog-entry-arrow {
  color: #d1d5db;
  font-size: 1.1rem;
  margin-top: 0.35rem;
  transition: color 0.15s ease, transform 0.15s ease;
}

.blog-entry-link:hover .blog-entry-arrow {
  color: #7a003c;
  transform: translateX(3px);
}

.blog-empty {
  color: #6b7280;
  margin: 2rem 0;
}

/* DSAIL research highlights */
.dsail-research-grid,
.dsail-blog-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.dsail-research-card,
.dsail-blog-card {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(214, 238, 118, 0.6);
  overflow: hidden;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.dsail-research-card:hover,
.dsail-blog-card:hover {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 8px 8px 0 var(--dsail-lime);
  transform: translate(-3px, -3px);
}

.dsail-research-card-link,
.dsail-blog-card-link {
  color: #fff;
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
}

.dsail-research-card-cover,
.dsail-blog-card-cover {
  aspect-ratio: 16 / 9;
  background: rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.dsail-research-card-cover--placeholder {
  background:
    linear-gradient(135deg, rgba(214, 238, 118, 0.12), rgba(255, 255, 255, 0.04));
}

.dsail-research-card-cover img,
.dsail-blog-card-cover img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.dsail-research-card-body,
.dsail-blog-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem 1.2rem 1.25rem;
}

.dsail-research-card-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  margin: 0;
}

.dsail-research-card-type,
.dsail-blog-card-date {
  color: var(--dsail-lime);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dsail-research-card-date {
  color: #9eb3aa;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dsail-research-card-body h3,
.dsail-blog-card-body h3 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.dsail-research-card-link:hover h3,
.dsail-blog-card-link:hover h3 {
  color: var(--dsail-lime);
}

.dsail-research-card-detail,
.dsail-blog-card-excerpt {
  color: #c5d4ce;
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}

.dsail-research-card-cta,
.dsail-blog-card-cta {
  color: var(--dsail-lime);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-top: auto;
  text-transform: uppercase;
}

.dsail-research-card-link:hover .dsail-research-card-cta,
.dsail-blog-card-link:hover .dsail-blog-card-cta {
  text-decoration: underline;
}

.dsail-research-empty {
  color: #9eb3aa;
  margin: 0;
}

/* Article page */
.blog-post-page {
  background: #fff;
}

.blog-post-main {
  padding: 1.5rem 0 4rem;
}

.blog-post-layout {
  align-items: start;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 12.5rem minmax(0, 44rem);
  justify-content: center;
}

.blog-toc {
  position: sticky;
  top: 6rem;
}

.blog-toc-label {
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

.blog-toc-list {
  border-left: 1px solid #e5e7eb;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-toc-list li {
  margin: 0;
}

.blog-toc-link {
  color: #6b7280;
  display: block;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 500;
  line-height: 1.45;
  padding: 0.35rem 0 0.35rem 0.85rem;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.blog-toc-link:hover {
  color: #7a003c;
}

.blog-toc-link.active {
  border-left: 2px solid #7a003c;
  color: #111827;
  font-weight: 600;
  margin-left: -1px;
  padding-left: calc(0.85rem - 1px);
}

.blog-article {
  max-width: 44rem;
  min-width: 0;
}

.blog-post-header {
  margin-bottom: 2rem;
}

.blog-back-link {
  color: #6b7280;
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  text-decoration: none;
}

.blog-back-link:hover {
  color: #7a003c;
}

.blog-post-eyebrow {
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

.blog-post-title {
  font-size: clamp(1.65rem, 3.5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.blog-post-meta {
  color: #6b7280;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.85rem;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.85rem;
}

.blog-post-meta time::after {
  content: "·";
  margin-left: 0.75rem;
}

.blog-post-meta > span::after {
  color: #6b7280;
  content: "·";
  font-weight: 400;
  margin-left: 0.75rem;
}

.blog-post-meta .blog-lang-link {
  font-size: inherit;
}

.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.blog-post-tags span {
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.45rem;
}

.blog-lang-link {
  color: #7a003c;
  display: inline-flex;
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 600;
  gap: 0.35rem;
  text-decoration: none;
}

.blog-lang-link:hover {
  text-decoration: underline;
}

.blog-cover {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin: 0 0 2.25rem;
  overflow: hidden;
}

.blog-cover img {
  display: block;
  height: auto;
  width: 100%;
}

.blog-article-body {
  color: #1f2937;
  font-size: 1.02rem;
  line-height: 1.75;
}

.blog-article-body > p:first-child {
  color: #374151;
  font-size: 1.08rem;
}

.blog-article-body h2 {
  border-top: 1px solid #e5e7eb;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 2.5rem 0 1rem;
  padding-top: 2rem;
  scroll-margin-top: 6rem;
}

.blog-article-body h2:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

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

.blog-article-body blockquote {
  background: #f9fafb;
  border-left: 3px solid #7a003c;
  color: #374151;
  margin: 1.5rem 0;
  padding: 0.85rem 1rem;
}

.blog-article-body blockquote p {
  margin: 0;
}

.blog-article-body code {
  background: #f3f4f6;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.12rem 0.35rem;
}

.blog-figure {
  margin: 1.75rem 0;
}

.blog-figure img {
  display: block;
  height: auto;
  margin: 0 auto;
  max-width: 100%;
}

.blog-figure figcaption {
  color: #6b7280;
  font-size: 0.84rem;
  line-height: 1.55;
  margin-top: 0.65rem;
  padding: 0 0.25rem;
}

.blog-references {
  border-top: 1px solid #e5e7eb;
  margin-top: 2.5rem;
  padding-top: 2rem;
}

.blog-references h2 {
  border: 0;
  font-size: 1.1rem;
  font-weight: 650;
  margin: 0 0 1rem;
  padding: 0;
}

.blog-references p {
  color: #4b5563;
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0 0 0.55rem;
  scroll-margin-top: 6rem;
}

.blog-references p:target {
  background: #fdf2f8;
  border-radius: 4px;
  margin-left: -0.5rem;
  padding: 0.35rem 0.5rem;
}

.blog-article-body a {
  color: #7a003c;
  font-style: normal;
  font-weight: 500;
}

.blog-cite {
  color: #7a003c;
  font-style: normal;
  font-weight: 600;
  text-decoration: none;
}

.blog-cite:hover {
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .blog-post-layout {
    gap: 1.5rem;
    grid-template-columns: 1fr;
  }

  .blog-toc {
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 0.5rem;
    padding-bottom: 1rem;
    position: static;
  }

  .blog-toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    border-left: 0;
    padding: 0;
  }

  .blog-toc-link {
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    padding: 0.3rem 0.65rem;
  }

  .blog-toc-link.active {
    background: #7a003c;
    border-color: #7a003c;
    color: #fff;
    margin-left: 0;
    padding-left: 0.65rem;
  }
}

@media (max-width: 960px) {
  .dsail-research-grid,
  .dsail-blog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .blog-entry-link {
    gap: 0.85rem;
    grid-template-columns: 6.5rem 1fr;
  }

  .blog-entry-tags,
  .blog-entry-footer .blog-entry-tags {
    margin-left: 0;
  }

  .blog-entry-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .blog-entry-lang {
    margin-left: 0;
  }

  .blog-entry-arrow {
    display: none;
  }

  .blog-post-title {
    font-size: 1.5rem;
  }

  .blog-hero {
    margin-bottom: 2rem;
    padding: 1.75rem 0 1.5rem;
  }

  .blog-filter-tag,
  .blog-entry-tag {
    min-height: 36px;
    padding: 0.45rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .blog-entry-link {
    grid-template-columns: 1fr;
  }

  .blog-entry-cover {
    max-width: 14rem;
    width: 100%;
  }

  .blog-entry-title {
    font-size: 1.08rem;
  }

  .blog-entry-excerpt {
    border-left: 0;
    padding-left: 0;
  }

  .blog-post-main {
    padding: 1rem 0 3rem;
  }

  .blog-article-body {
    font-size: 0.98rem;
  }

  .blog-article-body h2 {
    font-size: 1.2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    scroll-margin-top: 5rem;
  }

  .blog-article-body pre,
  .blog-article-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .blog-references p {
    font-size: 0.82rem;
  }
}