/**
 * Phase 9 Insights feed styles.
 * Loaded via koallabs.libraries.yml `insights:` stanza on /insights* paths
 * (attached by koallabs_page_attachments_alter).
 *
 * Token discipline: ONLY var(--color-*) + var(--spacing-*) + var(--transition-*) + var(--font-*).
 * One-off exception: #0A66C2 (LinkedIn brand blue) on .author-bio-linkedin only.
 *
 * See .planning/phases/09-insights-feed-hardening/09-UI-SPEC.md for the
 * full class contract; see 09-PATTERNS.md §1 for inline-extract provenance.
 */

/* --- Listing & pillar pages --- */

.insights-header { margin-bottom: var(--spacing-xl); }

.insights-filters {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.insights-filters a.badge {
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  min-height: 44px;  /* touch target */
  display: inline-flex;
  align-items: center;
}

.insights-filters a.badge:hover {
  background: var(--color-foreground-subtle);
  color: var(--color-foreground);
}

.insights-filters a.badge.active {
  background: var(--color-accent);
  color: #0A0A0F;
}

.insights-filters a.badge:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* mobile horizontal-scroll tab row per UI-SPEC */
@media (max-width: 639px) {
  .insights-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}
@media (min-width: 768px) and (max-width: 1023px) {
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .insights-grid { grid-template-columns: 1fr; }
}

/* --- Card --- */

.insights-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.insights-card:hover { border-color: var(--color-accent); }

.insights-card-hero {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
}
.insights-card-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.insights-card-content { padding: var(--spacing-lg); }

.insights-card .card-title {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  margin: var(--spacing-sm) 0 var(--spacing-sm);
}
.insights-card .card-title a {
  color: var(--color-foreground);
  text-decoration: none;
}
.insights-card .card-title a:hover { color: var(--color-accent); }

.insights-card .card-meta {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-foreground-muted);
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.insights-empty {
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  background: var(--color-background-secondary);
  border-radius: 8px;
}

.insights-pager { margin-top: var(--spacing-xl); text-align: center; }

/* --- Pillar landing page --- */

.pillar-landing-header { margin-bottom: var(--spacing-xl); }
.pillar-landing-count {
  font-size: 14px;
  color: var(--color-foreground-subtle);
  margin-top: var(--spacing-sm);
}

/* --- Article page --- */

.article-hero {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
  background: var(--color-card);
}
.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-byline {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-foreground-muted);
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.article-authors-note {
  border-left: 3px solid var(--color-accent);
  background: var(--color-card);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 4px;
  margin-bottom: var(--spacing-xl);
}

.article-cta-block {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.article-author-bio {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}
@media (max-width: 639px) {
  .article-author-bio { flex-direction: column; align-items: flex-start; }
}
.author-bio-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  object-fit: cover;
  flex-shrink: 0;
}
.author-bio-text { flex: 1; }
.author-bio-linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
  color: var(--color-foreground);
  margin-top: var(--spacing-sm);
  min-height: 44px;
}
.author-bio-linkedin svg { fill: #0A66C2; width: 18px; height: 18px; }
.author-bio-linkedin:hover { border-color: #0A66C2; }

.article-share {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin-top: var(--spacing-xl);
}
.article-share .share-label {
  font-size: 14px;
  color: var(--color-foreground-muted);
}
.article-share a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-foreground-muted);
  transition: color var(--transition-fast);
}
.article-share a:hover { color: var(--color-accent); }
.article-share a svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.article-more-pillar { margin-top: var(--spacing-2xl); }