/* ================================================================
   4xForecaster — Articles section styles
   Supplements style.css; uses the same CSS custom properties.
   ================================================================ */

/* ---- skip-link (mirrors index.html inline) ---- */
.skip-link {
  position: absolute; left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden; z-index: 9999;
}
.skip-link:focus {
  left: 1rem; top: 1rem; width: auto; height: auto;
  padding: 0.5rem 1rem; background: #0a0e17; color: #06b6d4;
  border: 1px solid #06b6d4; border-radius: 4px;
  font-family: "JetBrains Mono", monospace; font-size: 0.875rem;
  text-decoration: none;
}

/* ---- nav active state ---- */
.nav-link--active {
  color: var(--cyan) !important;
  pointer-events: none;
}

/* ---- brand link reset ---- */
.brand-link { text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 2px; }
.brand-link:hover { text-decoration: none; }

/* ---- logo images ---- */
.brand-logo { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; display: block; flex-shrink: 0; }
.brand-logo-sm { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; display: inline-block; vertical-align: middle; }

/* ================================================================
   ARTICLES INDEX — hero
   ================================================================ */
.page-content { padding: 32px 0 64px; }

.articles-hero {
  padding: 32px 0 28px;
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 32px;
}
.articles-series-label {
  font-family: var(--font-data);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}
.articles-hero-title {
  font-family: var(--font-data);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 14px;
}
.articles-hero-sub {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 620px;
}

/* ================================================================
   ARTICLES INDEX — grid
   ================================================================ */
.articles-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.15s;
}
.article-card:hover {
  border-color: rgba(6,182,212,0.4);
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.article-part-label {
  font-family: var(--font-data);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
}
.article-element-badge {
  font-family: var(--font-data);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-inset);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 2px 8px;
}
.article-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 8px;
}
.article-card-title a {
  color: var(--text);
  text-decoration: none;
}
.article-card-title a:hover { color: var(--cyan); text-decoration: none; }
.article-card-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 14px;
}
.article-card-cta {
  font-family: var(--font-data);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--cyan);
  text-decoration: none;
}
.article-card-cta:hover { text-decoration: underline; }

.articles-loading, .articles-error, .articles-empty {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 32px 0;
  text-align: center;
}

/* ================================================================
   ARTICLE PAGE — layout
   ================================================================ */
.article-page { padding: 28px 0 64px; }

/* breadcrumb / back */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 28px;
}
.article-back:hover { color: var(--cyan); text-decoration: none; }

/* article header */
.article-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 36px;
}
.article-series-tag {
  font-family: var(--font-data);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.article-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}
.article-subtitle {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 18px;
}
.article-dashboard-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  background: var(--bg-inset);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 5px 12px;
}
.article-dashboard-link:hover { color: var(--cyan); border-color: rgba(6,182,212,0.4); text-decoration: none; }
.article-dashboard-link svg { display: block; }

/* ================================================================
   ARTICLE BODY — typography
   ================================================================ */
.article-body {
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text);
  max-width: 660px;
}
.article-body h2 {
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 40px 0 14px;
  padding-top: 8px;
  border-top: 1px solid var(--border-dim);
}
.article-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 10px;
  line-height: 1.3;
}
.article-body p {
  margin-bottom: 18px;
}
.article-body strong {
  color: var(--text);
  font-weight: 600;
}
.article-body em {
  color: var(--text-dim);
  font-style: italic;
}
.article-body ul, .article-body ol {
  margin: 0 0 18px 22px;
}
.article-body li {
  margin-bottom: 6px;
  line-height: 1.7;
}
.article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-body a:hover { opacity: 0.8; }
.article-body blockquote {
  border-left: 3px solid var(--cyan);
  margin: 24px 0;
  padding: 12px 20px;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-dim);
  font-style: italic;
}
.article-body .data-callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 24px 0;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.article-body .data-callout strong {
  color: var(--cyan);
  display: block;
  font-size: 0.68rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.article-body cite {
  font-family: var(--font-data);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: normal;
}
.article-body .references {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-dim);
}
.article-body .references h2 {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}
.article-body .references ol {
  margin-left: 18px;
}
.article-body .references li {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

/* ================================================================
   SERIES NAVIGATION
   ================================================================ */
.article-series-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dim);
}
.series-nav-prev, .series-nav-next {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  max-width: 280px;
}
.series-nav-next { align-items: flex-end; text-align: right; }
.series-nav-label {
  font-family: var(--font-data);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.series-nav-title {
  font-size: 0.82rem;
  color: var(--cyan);
  line-height: 1.4;
}
.series-nav-prev:hover .series-nav-title,
.series-nav-next:hover .series-nav-title { text-decoration: underline; }
.series-nav-spacer { flex: 1; }

/* ================================================================
   ARTICLE FOOTER SOCIAL (standalone in articles)
   ================================================================ */
.article-social-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dim);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 600px) {
  .articles-hero-title { font-size: 1.7rem; }
  .article-title { font-size: 1.4rem; }
  .article-series-nav { flex-direction: column; gap: 16px; }
  .series-nav-next { align-items: flex-start; text-align: left; }
}