/* ==========================================================================
   ZANTI PHARMACY — ARTICLE READER PAGE STYLES (assets/css/pages/article.css)
   Loaded after style.css on article.html only. Uses design tokens exclusively.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Reading-progress bar (thin, fixed to the very top of the viewport)
   -------------------------------------------------------------------------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: calc(var(--z-header) + 2);
  background: transparent;
  pointer-events: none;
}

.reading-progress[hidden] { display: none; }

.reading-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
  .reading-progress-fill { transition: none; }
}

/* --------------------------------------------------------------------------
   Hero meta row (category chip + date + read time on the dark page hero)
   -------------------------------------------------------------------------- */
.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.85);
}

.article-hero-meta[hidden] { display: none; }

.article-hero-meta time,
.article-hero-minutes { white-space: nowrap; }

/* --------------------------------------------------------------------------
   Disclaimer callout above the article body
   -------------------------------------------------------------------------- */
.article-callout { margin-bottom: clamp(28px, 4vw, 40px); }

/* --------------------------------------------------------------------------
   Share row
   -------------------------------------------------------------------------- */
.share-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
}

.share-label {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--ink);
  margin-right: var(--sp-2);
}

/* Copy-link toast */
.copy-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translate(-50%, 10px);
  z-index: calc(var(--z-header) + 2);
  background: var(--ink);
  color: #FFFFFF;
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--speed-fast) ease, transform var(--speed-fast) var(--ease-out);
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: reduce) {
  .copy-toast { transition: none; transform: translate(-50%, 0); }
}

/* --------------------------------------------------------------------------
   Previous / next pager
   -------------------------------------------------------------------------- */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.article-pager[hidden] { display: none; }

.pager-link {
  display: block;
  padding: var(--sp-4) var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--speed-fast) ease, box-shadow var(--speed-fast) ease;
}

.pager-link:hover,
.pager-link:focus-visible {
  border-color: var(--brand-bright);
  box-shadow: var(--shadow-sm);
}

.pager-link[hidden] { display: none; }

.pager-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-soft);
  margin-bottom: var(--sp-2);
}

.pager-kicker .icon {
  width: 15px;
  height: 15px;
  flex: none;
}

.pager-prev .pager-kicker .icon { transform: scaleX(-1); }

.pager-title {
  display: block;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-weight: 700;
  color: var(--ink);
  font-size: var(--fs-sm);
  line-height: 1.4;
}

.pager-link:hover .pager-title { color: var(--brand-strong); }

.pager-next { text-align: right; }

.pager-next .pager-kicker { justify-content: flex-end; }

/* When only one neighbour exists (class set by article.js) */
.article-pager.is-single { grid-template-columns: 1fr; }
.article-pager.is-single .pager-next { text-align: left; }
.article-pager.is-single .pager-next .pager-kicker { justify-content: flex-start; }

@media (max-width: 599px) {
  .article-pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
  .pager-next .pager-kicker { justify-content: flex-start; }
}

/* --------------------------------------------------------------------------
   Skeleton spacing
   -------------------------------------------------------------------------- */
[data-article-skeleton] .skeleton-card { margin-block: var(--sp-5); }