/* ===================================================
   Blog / Knowledge Base — blog.css
   =================================================== */

/* ── Search form ── */
.blog-search-form { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid rgba(0, 0, 0, 0.04); border-radius: var(--radius-full); padding: 8px 14px; margin-bottom: 16px; box-shadow: var(--shadow-xs); }
.blog-search-icon { color: var(--gray-400); font-size: 0.8rem; flex-shrink: 0; }
.blog-search-input { flex: 1; border: none; outline: none; font-size: 0.85rem; color: var(--gray-700); background: transparent; font-family: inherit; }
.blog-search-btn { background: var(--color-primary); color: #fff; border: none; border-radius: var(--radius-full); padding: 6px 14px; font-size: 0.78rem; font-weight: 600; cursor: pointer; flex-shrink: 0; }

/* ── Featured section ── */
.blog-featured-section { margin-bottom: 4px; }
.blog-section-hdr { font-size: 0.88rem; font-weight: 700; color: var(--gray-700); margin: 0 0 10px; display: flex; align-items: center; gap: 7px; }
.blog-section-hdr i { color: var(--color-accent, #e8b84b); }
.blog-featured-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 20px; }
@media (min-width: 640px) { .blog-featured-grid { grid-template-columns: repeat(3, 1fr); } }

.blog-card { display: flex; flex-direction: column; gap: 8px; background: #fff; border: 1px solid rgba(0, 0, 0, 0.04); border-radius: var(--radius-lg); text-decoration: none; transition: box-shadow var(--transition-spring); box-shadow: var(--shadow-sm); overflow: hidden; }
.blog-card--featured { }
.blog-card-img { height: 120px; background-size: cover; background-position: center; background-repeat: no-repeat; }
.blog-card-img--placeholder { height: 90px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; opacity: 0.5; }
.blog-card-img--sm { height: 80px; }
.blog-card-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.blog-card-cat { display: inline-block; font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 9px; border-radius: var(--radius-full); width: fit-content; }
.blog-card-title { font-size: 0.9rem; font-weight: 700; color: var(--gray-900); margin: 0; line-height: 1.35; }
.blog-card-excerpt { font-size: 0.78rem; color: var(--gray-500); margin: 0; line-height: 1.5; flex: 1; }
.blog-card-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 0.68rem; color: var(--gray-400); }
.blog-card-meta i { font-size: 0.6rem; }
.blog-card-author { display: flex; align-items: center; gap: 8px; padding-top: 8px; border-top: 1px solid var(--gray-100); }
.blog-author-avatar { width: 26px; height: 26px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.68rem; font-weight: 700; flex-shrink: 0; }
.blog-author-name { font-size: 0.72rem; font-weight: 600; color: var(--gray-700); margin: 0; }

/* ── Sticky category filter ── */
.blog-filter-scroller {
    position: sticky;
    top: var(--header-h, 60px);
    z-index: 40;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin: 0 -16px var(--space-md);
    padding: var(--space-xs) 16px var(--space-sm);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* Category-coloured active pills */
.filter-pill[style*="background"].active,
.blog-filter-scroller .filter-pill.active { box-shadow: 0 2px 8px rgba(0,0,0,0.18); }
a.filter-pill { text-decoration: none; }

/* ── Blog home card (bhc-*) ── */
.blog-home-card { background: #fff; border: 1px solid rgba(0,0,0,0.05); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); overflow: hidden; display: flex; flex-direction: column; }

.bhc-main { display: flex; flex-direction: column; text-decoration: none; color: inherit; flex: 1; }

.bhc-thumb { width: 100%; height: 80px; overflow: hidden; }
.bhc-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.bhc-cat { font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 9px; border-radius: var(--radius-full); width: fit-content; margin: 8px 10px 0; }
.bhc-title { font-size: 0.82rem; font-weight: 700; color: var(--gray-900); line-height: 1.3; padding: 4px 10px 0; }
.bhc-title-hi { font-size: 0.65rem; color: var(--gray-500); line-height: 1.2; padding: 1px 10px 0; font-family: var(--font-hindi); }
.bhc-excerpt { font-size: 0.7rem; color: var(--gray-500); line-height: 1.45; padding: 3px 10px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bhc-author-row { display: flex; justify-content: space-between; font-size: 0.62rem; color: var(--gray-400); padding: 4px 10px 0; gap: 6px; flex-wrap: wrap; }
.bhc-footer { display: flex; gap: 10px; font-size: 0.65rem; color: var(--gray-400); padding: 4px 10px 8px; }
.bhc-footer i { font-size: 0.58rem; }

/* ── Full-width labelled action buttons ── */
.bhc-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px 10px; justify-content: unset; }

.bhc-act-btn { width: 100%; height: 32px; border-radius: 8px; flex-direction: row; gap: 5px; font-size: 0.7rem; font-weight: 600; color: var(--gray-500); }
.bhc-act-btn span { font-size: 0.68rem; font-weight: 600; }
.bhc-act-btn[data-action="like"]:not(.liked):hover { background: #fef2f2; color: #ef4444; }
.bhc-act-btn[data-action="save"]:not(.saved):hover { background: #fffbeb; color: var(--color-accent); }
.bhc-act-btn.liked { background: #fef2f2; color: #ef4444; }
.bhc-act-btn.saved { background: #fffbeb; color: var(--color-accent); }

/* Override kb-grid to 1-col on smallest screens for blog cards (more content) */
@media (max-width: 400px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-empty { grid-column: 1/-1; text-align: center; padding: 48px 0; color: var(--gray-400); }
.blog-empty i { font-size: 2rem; display: block; margin-bottom: 10px; }

/* Post detail */
.blog-back-link { display: inline-flex; align-items: center; gap: 7px; font-size: 0.8rem; font-weight: 600; color: var(--gray-500); text-decoration: none; margin-bottom: 16px; padding: 6px 0; }
.blog-back-link:active { color: var(--color-primary); }
.blog-demo-banner { display: flex; align-items: center; gap: 8px; background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius-md); padding: 10px 14px; font-size: 0.78rem; color: #92400e; margin-bottom: 16px; }
.blog-demo-banner i { color: #f59e0b; }

.blog-post-hero { background: #fff; border: 1px solid rgba(0, 0, 0, 0.04); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.blog-post-cat { display: inline-block; font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 10px; border-radius: var(--radius-full); margin-bottom: 10px; }
.blog-post-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--gray-900); margin: 0 0 8px; line-height: 1.3; }
.blog-post-excerpt { font-size: 0.85rem; color: var(--gray-500); margin: 0 0 14px; line-height: 1.6; }

.blog-post-meta-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.blog-author-chip { display: flex; align-items: center; gap: 8px; }
.blog-post-stats { display: flex; gap: 12px; font-size: 0.7rem; color: var(--gray-400); flex-wrap: wrap; }
.blog-post-stats i { font-size: 0.62rem; }

.blog-post-body { background: #fff; border: 1px solid rgba(0, 0, 0, 0.04); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px; font-size: 0.88rem; color: var(--gray-700); line-height: 1.75; box-shadow: var(--shadow-sm); }
.blog-post-body h3 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin: 20px 0 8px; }
.blog-post-body h3:first-child { margin-top: 0; }
.blog-post-body p { margin: 0 0 12px; }
.blog-post-body ul { margin: 0 0 12px; padding-left: 20px; }
.blog-post-body li { margin-bottom: 5px; }
.blog-post-body strong { color: var(--gray-900); font-weight: 600; }

.blog-post-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.blog-tag { font-size: 0.68rem; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-full); background: var(--gray-100); color: var(--gray-600); }

.blog-related-hdr { margin: 8px 0 12px; }
.blog-related-hdr h3 { font-size: 0.9rem; font-weight: 700; color: var(--gray-800); margin: 0; display: flex; align-items: center; gap: 8px; }
.blog-related-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 20px; }
@media (min-width: 640px) { .blog-related-grid { grid-template-columns: repeat(3, 1fr); } }
.blog-related-card { display: flex; flex-direction: column; gap: 6px; background: #fff; border: 1px solid rgba(0, 0, 0, 0.04); border-radius: var(--radius-md); padding: 12px; text-decoration: none; box-shadow: var(--shadow-xs); }
.blog-related-title { font-size: 0.8rem; font-weight: 600; color: var(--gray-800); margin: 0; line-height: 1.3; flex: 1; }
.blog-related-read { font-size: 0.65rem; color: var(--gray-400); }

.blog-back-btn { display: inline-flex; align-items: center; gap: 7px; font-size: 0.82rem; font-weight: 600; color: var(--color-primary); text-decoration: none; padding: 8px 0 24px; }

/* ── Desktop ─────────────────────────────── */
@media (min-width: 1024px) {
    .blog-search-form { max-width: 480px; }
    .blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
    .blog-related-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
    .blog-post-hero { max-width: 760px; }
    .blog-post-body { max-width: 760px; font-size: 0.92rem; line-height: 1.8; }
    .blog-post-body h3 { font-size: 1.1rem; }
    .blog-post-tags { max-width: 760px; }
    .blog-related-grid { grid-template-columns: repeat(3, 1fr); }
    .blog-filter-scroller { flex-wrap: wrap; overflow-x: visible; }
    .blog-home-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); transition: box-shadow var(--transition-spring), transform var(--transition-spring); }
    .bhc-thumb { height: 110px; }
}