/* ═══════════════════════════════════════════════════════
   CYBERPHINIX — BLOG STYLES v4
   "Operative Interface" — matches design system v4
   ═══════════════════════════════════════════════════════ */

/* ── Blog Overview Header ──────────────────────────── */
.blog-index-header {
  margin: 2.5rem 0 3.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.blog-index-header::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0;
  width: 100px; height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
}
.blog-index-title {
  font-family: var(--ff-display);
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--txt);
}
.blog-index-sub {
  color: var(--txt2);
  margin-top: .65rem;
  font-size: .98rem;
  max-width: 560px;
  font-weight: 300;
}

/* ── Blog Grid ─────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.blog-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}

/* Corner bracket top-right */
.blog-card::after {
  content: "";
  position: absolute;
  top: 8px; right: 8px;
  width: 14px; height: 14px;
  border-top: 1.5px solid rgba(62,207,142,.0);
  border-right: 1.5px solid rgba(62,207,142,.0);
  transition: border-color .25s;
  pointer-events: none;
  z-index: 2;
}
/* Top accent line */
.blog-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green) 0%, var(--cyan) 60%, transparent 100%);
  opacity: 0;
  transition: opacity .25s;
  z-index: 2;
}
.blog-card:hover {
  border-color: rgba(62,207,142,.3);
  box-shadow: 0 8px 32px rgba(0,0,0,.35), 0 0 20px rgba(62,207,142,.07);
  transform: translateY(-3px);
}
.blog-card:hover::before { opacity: 1; }
.blog-card:hover::after  { border-color: rgba(62,207,142,.4); }

/* Whole card is clickable */
.blog-card-title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.blog-card-img {
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--bg3);
  border-bottom: 1px solid var(--border2);
}
.blog-card-img picture { display: block; width: 100%; height: 100%; margin: 0; }
.blog-card-img picture img,
.blog-card-img > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
  border: none; border-radius: 0; margin: 0;
  filter: brightness(.92) saturate(.9);
}
.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
  filter: brightness(1) saturate(1);
}

.blog-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg3) 0%, var(--card2) 100%);
  color: var(--txt3); font-size: 2rem;
  position: relative;
}
.blog-card-img-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent, transparent 20px,
    rgba(62,207,142,.015) 20px, rgba(62,207,142,.015) 21px
  );
}

.blog-card-body {
  padding: 1.4rem 1.45rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card-topic {
  font-family: var(--ff-mono);
  font-size: .63rem;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .18em;
  margin-bottom: .65rem;
  display: flex;
  align-items: center;
  gap: .45rem;
}
.blog-card-topic::before {
  content: "";
  width: 5px; height: 5px;
  background: var(--green);
  border-radius: 1px;
  transform: rotate(45deg);
  display: inline-block;
  flex-shrink: 0;
}
.blog-card-title {
  font-family: var(--ff-display);
  font-size: .98rem;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: .5rem;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.blog-card-title a { color: var(--txt); text-decoration: none; transition: color .2s; }
.blog-card:hover .blog-card-title a { color: var(--green2); }
.blog-card-excerpt {
  font-size: .83rem;
  color: var(--txt3);
  line-height: 1.7;
  margin-bottom: .75rem;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: .9rem;
  border-top: 1px solid var(--border2);
}
.blog-card-date {
  font-family: var(--ff-mono);
  font-size: .68rem;
  color: var(--txt3);
  letter-spacing: .04em;
  margin-top: auto;
  padding-top: .9rem;
}
.blog-card-date:empty { display: none; }
.blog-card-arrow {
  font-family: var(--ff-mono);
  font-size: .7rem;
  color: var(--txt3);
  transition: color .2s, transform .2s;
}
.blog-card:hover .blog-card-arrow { color: var(--green); transform: translateX(3px); }

/* ── Blog Article Container ────────────────────────── */
.blog-page { padding: 0 2.25rem 4rem; max-width: 1200px; margin: 0 auto; }

/* ── Article Layout ────────────────────────────────── */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 3rem;
  align-items: start;
}
.blog-layout > article { min-width: 0; }
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
  .blog-page { padding: 0 1.25rem 3rem; }
}

/* ── Article Header ────────────────────────────────── */
.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.article-header::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0;
  width: 60px; height: 1px;
  background: var(--green);
}
.article-topic-badge {
  font-family: var(--ff-mono);
  font-size: .65rem;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .2em;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .85rem;
}
.article-topic-badge::before {
  content: "//";
  color: var(--green3);
  font-size: .72rem;
}
.article-title {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--txt);
  line-height: 1.18;
  letter-spacing: -.025em;
  margin-top: .5rem;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.article-date {
  font-family: var(--ff-mono);
  font-size: .73rem;
  color: var(--txt3);
  letter-spacing: .05em;
}
.article-tag {
  font-family: var(--ff-mono);
  font-size: .63rem;
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid rgba(56,189,248,.3);
  background: rgba(56,189,248,.06);
  padding: .18rem .6rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.article-img { margin: 2rem 0; }
.article-img img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* ── Article Content Typography ────────────────────── */
.article-content {
  color: var(--txt2);
  line-height: 1.9;
  font-size: 1rem;
  overflow-wrap: break-word;
  font-weight: 300;
}
.article-content [class*="flex"],
.article-content [class*="w-full"] { display: block; width: auto; }

.article-content h2 {
  font-family: var(--ff-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--txt);
  border-bottom: 1px solid var(--border);
  padding-bottom: .65rem;
  margin: 3rem 0 1.2rem;
  letter-spacing: -.02em;
  position: relative;
}
.article-content h2::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0;
  width: 40px; height: 1px;
  background: var(--green);
}
.article-content h3 {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--txt);
  margin: 2.25rem 0 .9rem;
}
.article-content h4,
.article-content h5,
.article-content h6 {
  font-family: var(--ff-display);
  color: var(--txt);
  font-weight: 600;
  margin: 1.75rem 0 .65rem;
}
.article-content p { margin: 1rem 0; }
.article-content a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: rgba(62,207,142,.3);
  text-underline-offset: 3px;
  transition: color .15s, text-decoration-color .15s;
}
.article-content a:hover { color: var(--green2); text-decoration-color: var(--green2); }
.article-content ul, .article-content ol { margin: 1rem 0 1rem 1.5rem; }
.article-content li { margin: .5rem 0; }
.article-content li::marker { color: var(--green); }

/* Code blocks — terminal style */
.article-content pre {
  position: relative;
  background: #040810;
  border: 1px solid var(--border);
  padding: 3.2rem 1.5rem 1.4rem;
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  font-family: var(--ff-mono);
  line-height: 1.8;
  box-shadow: 0 4px 24px rgba(0,0,0,.4), inset 0 1px 0 rgba(62,207,142,.06);
}
/* Simulated terminal top bar */
.article-content pre::before {
  content: "● ● ●";
  position: absolute;
  top: 0; left: 0; right: 0;
  background: #070c14;
  border-bottom: 1px solid var(--border);
  padding: .65rem 1.1rem;
  font-size: .75rem;
  color: var(--txt3);
  letter-spacing: .3em;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
/* Corner bracket bottom-right */
.article-content pre::after {
  content: "";
  position: absolute;
  bottom: 6px; right: 6px;
  width: 10px; height: 10px;
  border-bottom: 1px solid rgba(62,207,142,.25);
  border-right: 1px solid rgba(62,207,142,.25);
}
.article-content code {
  background: rgba(62,207,142,.07);
  color: var(--green2);
  padding: .14em .44em;
  border-radius: 4px;
  font-size: .865em;
  font-family: var(--ff-mono);
  border: 1px solid rgba(62,207,142,.14);
}
.article-content pre code {
  background: none; border: none;
  color: var(--txt2); padding: 0;
  font-size: .86rem;
}

.article-content img {
  max-width: 100%; height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin: 1rem 0;
}
.article-content picture { display: block; margin: 1rem 0; }
.article-content .wp-block-image,
.article-content figure { margin: 2rem 0; }
.article-content figcaption {
  font-family: var(--ff-mono);
  font-size: .72rem; color: var(--txt3);
  text-align: center; margin-top: .55rem;
  letter-spacing: .04em;
}

.article-content blockquote {
  border-left: 2px solid var(--green);
  margin: 2.25rem 0;
  padding: 1rem 1.6rem;
  background: rgba(62,207,142,.03);
  color: var(--txt2);
  border-radius: 0 var(--radius) var(--radius) 0;
  position: relative;
}
.article-content blockquote::before {
  content: '"';
  position: absolute;
  top: -.2rem; left: 1rem;
  font-size: 2.5rem;
  color: rgba(62,207,142,.15);
  font-family: var(--ff-display);
  line-height: 1;
}

.article-content table {
  border-collapse: collapse; width: 100%;
  margin: 2rem 0; font-size: .88rem;
  overflow-x: auto; display: block;
}
.article-content th {
  background: var(--bg3); color: var(--txt);
  border: 1px solid var(--border);
  padding: .65rem 1rem; text-align: left;
  font-family: var(--ff-mono);
  font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
}
.article-content td {
  border: 1px solid var(--border);
  padding: .7rem 1rem;
  color: var(--txt2);
}
.article-content tr:nth-child(even) td { background: rgba(62,207,142,.02); }

/* ── Sidebar ───────────────────────────────────────── */
.sidebar { position: sticky; top: 80px; }
.sidebar-widget {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.25rem;
  position: relative;
}
.sidebar-widget::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--green), var(--cyan), transparent);
  opacity: .5;
}
.sidebar-widget-title {
  font-family: var(--ff-mono);
  font-size: .63rem;
  font-weight: 600;
  color: var(--txt3);
  text-transform: uppercase;
  letter-spacing: .2em;
  padding: .85rem 1.2rem;
  border-bottom: 1px solid var(--border2);
  background: rgba(0,0,0,.2);
}
.sidebar-widget-body { padding: .6rem 0; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--txt2); text-decoration: none;
  padding: .5rem 1.2rem; font-size: .84rem;
  border-bottom: 1px solid var(--border2);
  transition: var(--transition);
  position: relative;
}
.sidebar-link::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--green);
  transform: scaleY(0);
  transition: transform .2s;
}
.sidebar-link:hover { color: var(--green); background: rgba(62,207,142,.03); }
.sidebar-link:hover::before { transform: scaleY(1); }
.sidebar-link:last-child { border-bottom: none; }
.sidebar-link-arrow {
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: .65rem;
  color: var(--txt3);
  transition: color .2s, transform .2s;
}
.sidebar-link:hover .sidebar-link-arrow { color: var(--green); transform: translateX(2px); }

/* ── Lang Bar ──────────────────────────────────────── */
.blog-lang-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: .6rem 2.25rem;
  font-family: var(--ff-mono);
  font-size: .72rem;
  color: var(--txt3);
  display: flex;
  align-items: center;
  gap: .75rem;
  letter-spacing: .04em;
}
.blog-lang-bar a {
  color: var(--green);
  border: 1px solid rgba(62,207,142,.25);
  background: rgba(62,207,142,.05);
  padding: .2rem .75rem;
  border-radius: 3px;
  font-size: .7rem;
  font-weight: 600;
  transition: var(--transition);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.blog-lang-bar a:hover { color: var(--green2); border-color: rgba(62,207,142,.5); background: rgba(62,207,142,.08); }

/* ── Article Footer ────────────────────────────────── */
.article-footer {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}
.article-footer-label {
  font-family: var(--ff-mono);
  font-size: .68rem;
  color: var(--txt3);
  text-transform: uppercase;
  letter-spacing: .18em;
  margin-bottom: 1rem;
}
.related-posts { display: flex; gap: .85rem; flex-wrap: wrap; }
.related-post-link {
  flex: 1; min-width: 200px;
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  font-size: .85rem;
  color: var(--txt2);
  text-decoration: none;
  transition: var(--transition);
  font-family: var(--ff-display);
  font-weight: 600;
}
.related-post-link:hover {
  border-color: rgba(62,207,142,.3);
  color: var(--green);
  background: rgba(62,207,142,.03);
}

/* ── Pagination ────────────────────────────────────── */
.pagination {
  display: flex;
  gap: .4rem;
  justify-content: center;
  align-items: center;
  margin: 3rem 0 1rem;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 .8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--txt2);
  font-family: var(--ff-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.page-btn:hover {
  border-color: rgba(62,207,142,.4);
  color: var(--green2);
  background: rgba(62,207,142,.04);
}
.page-btn.active {
  border-color: transparent;
  color: #040e09;
  background: var(--green);
  font-weight: 700;
  box-shadow: 0 0 12px rgba(62,207,142,.3);
}