/* =========================================================
   XOR Services — Blog styles
   Loaded only on /blog/ pages via the $pageCss hook in header.php.
   Reuses the brand tokens defined in styles.css.
   ========================================================= */

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Two-column layout ---- */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; gap: 40px; }
}

/* ---- Search ---- */
.blog-search { display: flex; gap: 10px; margin-bottom: 10px; }
.blog-search input[type="search"] {
  flex: 1 1 auto;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 1rem;
  color: #263544;
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
.blog-search input[type="search"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46, 155, 229, .18);
}
.blog-search .btn { flex: 0 0 auto; }
.blog-search-status { min-height: 22px; margin: 0 0 18px; font-size: .9rem; color: var(--gray); }

.blog-active-filter { font-size: .95rem; color: var(--gray); margin-bottom: 22px; }

/* ---- Chips ---- */
.chip {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--light-blue);
  color: var(--navy-light);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
  transition: background .15s, color .15s;
}
.chip:hover { background: var(--blue); color: #fff; }
.chip-on { background: var(--blue); color: #fff; }
.chip-clear { background: var(--gray-light); color: var(--gray); text-transform: none; letter-spacing: 0; }
.chip-clear:hover { background: var(--orange); color: #fff; }

/* ---- Post grid ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.blog-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 1100px) { .blog-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .blog-grid, .blog-grid-3 { grid-template-columns: 1fr; } }

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.blog-card.is-featured { border-color: var(--orange); }
@media (min-width: 621px) { .blog-card.is-featured { grid-column: 1 / -1; flex-direction: row; } }
.blog-card.is-featured .blog-card-media { flex: 0 0 44%; min-height: 220px; }
.blog-card.is-featured h3 { font-size: 1.55rem; }

.blog-card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--navy);
  overflow: hidden;
}
.blog-card-media img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--blue) 140%);
  color: rgba(255, 255, 255, .82);
  font-size: 2.4rem; font-weight: 800; letter-spacing: .08em;
}
.blog-flag {
  position: absolute; top: 12px; left: 12px;
  background: var(--orange); color: #fff;
  font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em;
  padding: 5px 11px; border-radius: 999px;
}

.blog-card-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1 1 auto; }
.blog-card-body h3 { margin: 4px 0 0; font-size: 1.2rem; line-height: 1.35; }
.blog-card-body h3 a { color: var(--navy); }
.blog-card-body h3 a:hover { color: var(--blue); }
.blog-card-body p { font-size: .94rem; margin: 0; color: var(--gray); flex: 1 1 auto; }
.blog-card-body .chip { align-self: flex-start; }

.blog-meta { font-size: .82rem; color: #8A9AAB; display: flex; gap: 8px; align-items: center; }

.blog-empty {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 28px;
  text-align: center;
  background: var(--gray-light);
}
.blog-empty h3 { margin-bottom: 8px; }

/* ---- Pagination ---- */
.blog-pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.blog-pagination a, .blog-pagination .current {
  min-width: 42px; padding: 10px 14px; text-align: center;
  border: 1px solid var(--border); border-radius: 8px;
  font-weight: 700; font-size: .92rem;
}
.blog-pagination a { color: var(--navy); background: var(--white); }
.blog-pagination a:hover { background: var(--light-blue); color: var(--navy); border-color: var(--blue); }
.blog-pagination .current { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---- Sidebar ---- */
.blog-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 24px; }
@media (max-width: 900px) { .blog-sidebar { position: static; } }

.blog-widget {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.blog-widget h4 {
  margin: 0 0 14px; font-size: .82rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--gray);
}
.blog-list { list-style: none; margin: 0; padding: 0; }
.blog-list li { border-bottom: 1px solid var(--border); }
.blog-list li:last-child { border-bottom: 0; }
.blog-list li a {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  padding: 9px 0; color: var(--navy); font-size: .93rem; font-weight: 600;
}
.blog-list li a:hover { color: var(--blue); }
.blog-list li a span { color: #9FB0C0; font-size: .8rem; font-weight: 700; }
.blog-list li.active > a { color: var(--orange); }

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

.blog-widget-cta { background: var(--light-blue); border-color: #CFE6F8; }
.blog-widget-cta h4 { color: var(--navy); }
.blog-widget-cta p { font-size: .92rem; }
.blog-feed-link { margin: 14px 0 0; text-align: center; font-size: .86rem; }

/* ---- Article ---- */
.blog-byline { color: #C9D9E8; font-size: .95rem; margin: 0; }
.blog-hero { width: 100%; border-radius: var(--radius); margin-bottom: 32px; }

.blog-article { max-width: 760px; font-size: 1.06rem; }
.blog-article h2 { margin: 40px 0 14px; font-size: 1.75rem; }
.blog-article h3 { margin: 30px 0 12px; font-size: 1.28rem; }
.blog-article h4 { margin: 24px 0 10px; font-size: 1.08rem; }
.blog-article p { margin: 0 0 20px; line-height: 1.75; }
.blog-article ul, .blog-article ol { margin: 0 0 22px; padding-left: 24px; }
.blog-article li { margin-bottom: 9px; line-height: 1.7; }
.blog-article img { border-radius: var(--radius); margin: 26px 0; }
.blog-article code {
  background: var(--gray-light); border: 1px solid var(--border);
  border-radius: 4px; padding: 2px 6px; font-size: .9em;
}
.blog-article blockquote {
  margin: 26px 0; padding: 4px 0 4px 22px;
  border-left: 4px solid var(--orange);
  color: var(--navy); font-size: 1.1rem; font-style: italic;
}
.blog-article blockquote p:last-child { margin-bottom: 0; }
.blog-article table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .95rem; }
.blog-article th, .blog-article td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.blog-article th { background: var(--gray-light); color: var(--navy); }

.blog-article-tags { margin: 34px 0; }
.blog-related { margin-top: 56px; }
.blog-related h2 { font-size: 1.5rem; margin-bottom: 22px; }

/* ---- Admin preview banner ---- */
.blog-preview-bar {
  background: var(--orange); color: #fff; text-align: center;
  padding: 10px 16px; font-size: .92rem; font-weight: 600;
}
.blog-preview-bar a { color: #fff; text-decoration: underline; }