/* ========================================================================
   Phase 08C — CACS article reading page.
   Restyles templates/frontend/objects/article_details.tpl (theme
   override) per docs/design/approved-v1/OJS_INTEGRATION_MAP.md. Reuses
   the theme's existing tokens.css palette/spacing/type scale; no new
   color values are introduced here beyond what tokens.css defines.
   ======================================================================== */

.cacs-article-shell { max-width: var(--cacs-content-max-width); margin-inline: auto; padding-inline: var(--cacs-gutter); }
.cacs-article-shell__notice { margin-block: var(--cacs-space-4); }

.cacs-article-grid {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr) 20rem;
  gap: var(--cacs-space-6);
  align-items: start;
  padding-block: var(--cacs-space-6) var(--cacs-space-8);
}

/* ---------- Left: in-page navigation + article tools ---------- */
.cacs-article-left {
  position: sticky;
  top: calc(var(--cacs-header-height) + var(--cacs-space-4));
  font-family: var(--cacs-font-ui);
}
.cacs-article-nav ul,
.cacs-article-tools ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--cacs-space-2); }
.cacs-article-nav a,
.cacs-article-tools a {
  display: block;
  padding-block: var(--cacs-space-1);
  color: var(--cacs-color-ink);
  font-size: var(--cacs-font-size-sm);
  border-inline-start: 2px solid transparent;
  padding-inline-start: var(--cacs-space-3);
}
.cacs-article-nav a:hover,
.cacs-article-nav a:focus-visible,
.cacs-article-tools a:hover,
.cacs-article-tools a:focus-visible { border-inline-start-color: var(--color-primary-visual); color: var(--color-primary-text); }

/* ---------- Center: main content ---------- */
.cacs-article-main { min-width: 0; }
.cacs-article-title {
  font-family: var(--cacs-font-heading);
  font-size: var(--cacs-font-size-xl);
  line-height: var(--cacs-line-tight);
  margin-block-end: var(--cacs-space-3);
}
.cacs-article-authors { margin-block-end: var(--cacs-space-3); }
.cacs-article-authors ul.authors { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--cacs-space-1) var(--cacs-space-4); font-size: var(--cacs-font-size-sm); }
.cacs-article-authors .name { font-weight: var(--cacs-weight-medium); color: var(--cacs-color-ink); }
.cacs-article-authors .affiliation,
.cacs-article-authors .userGroup { color: var(--cacs-color-ink-muted); font-size: var(--cacs-font-size-xs); display: block; }

.cacs-article-doi-row { display: flex; align-items: center; gap: var(--cacs-space-4); flex-wrap: wrap; margin-block-end: var(--cacs-space-4); }
.cacs-doi-chip { margin: 0; font-size: var(--cacs-font-size-xs); }
.cacs-doi-chip .label { display: inline; font-weight: var(--cacs-weight-bold); color: var(--cacs-color-ink-muted); }
.cacs-doi-chip .value a { color: var(--color-primary-text); }
.cacs-download-cta {
  display: inline-flex;
  align-items: center;
  min-height: var(--cacs-touch-target);
  padding-inline: var(--cacs-space-4);
  border-radius: var(--cacs-radius-small);
  background: var(--color-primary-visual);
  color: var(--cacs-white);
  font-weight: var(--cacs-weight-bold);
  text-decoration: none;
}
.cacs-download-cta:hover,
.cacs-download-cta:focus-visible { background: var(--color-primary-hover); }

.cacs-article-keywords { margin-block-end: var(--cacs-space-5); font-size: var(--cacs-font-size-sm); }
.cacs-article-keywords .label { font-weight: var(--cacs-weight-bold); color: var(--cacs-color-ink-muted); display: block; margin-block-end: var(--cacs-space-1); }

.cacs-article-section { margin-block-end: var(--cacs-space-6); font-family: var(--cacs-font-body); line-height: var(--cacs-line-body); }
.cacs-article-section > .label {
  font-family: var(--cacs-font-heading);
  font-size: var(--cacs-font-size-md);
  font-weight: var(--cacs-weight-bold);
  margin-block-end: var(--cacs-space-2);
  border-bottom: var(--cacs-border-width) solid var(--cacs-border);
  padding-block-end: var(--cacs-space-1);
}

.item.references .value p { font-size: var(--cacs-font-size-sm); margin-block-end: var(--cacs-space-2); }

/* ---------- Right: side cards ---------- */
.cacs-side-card {
  background: var(--cacs-white);
  border: var(--cacs-border-width) solid var(--cacs-border);
  border-radius: var(--cacs-radius-medium);
  box-shadow: var(--cacs-shadow-subtle);
  padding: var(--cacs-space-4);
  margin-block-end: var(--cacs-space-4);
}
.cacs-side-card__head {
  font-family: var(--cacs-font-ui);
  font-size: var(--cacs-font-size-xs);
  font-weight: var(--cacs-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cacs-color-ink-muted);
  margin-block-end: var(--cacs-space-3);
}
.cacs-side-card .item + .item,
.cacs-side-card .sub_item + .sub_item { margin-block-start: var(--cacs-space-3); }
.cacs-side-card .label { font-size: var(--cacs-font-size-xs); font-weight: var(--cacs-weight-bold); color: var(--cacs-color-ink-muted); }
.cacs-side-card .value { font-size: var(--cacs-font-size-sm); }
/* Override the default theme's grid on the issue/section meta block, which
   collapses the issue column to a sliver and forces mid-word breaks on the
   issue title. Stack the sub-items so each gets the full sidecard width. */
.cacs-side-card .item.issue { display: block; }
.cacs-side-card .item.issue .value,
.cacs-side-card .item.issue .value a.title { overflow-wrap: break-word; word-break: normal; }

.cacs-figures-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--cacs-space-2); }

/* Revision & Alerts — reuses the coral role already established for
   alert/notice UI in the approved article prototype. */
.cacs-alert-card { border-color: var(--cacs-coral); padding: 0; overflow: hidden; }
.cacs-alert-card__head {
  margin: 0;
  padding: var(--cacs-space-3) var(--cacs-space-4);
  background: var(--cacs-coral);
  color: var(--cacs-white);
  font-family: var(--cacs-font-ui);
  font-size: var(--cacs-font-size-xs);
  font-weight: var(--cacs-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cacs-alert-card__body { padding: var(--cacs-space-4); }
.cacs-alert-card__body ul.value { list-style: none; margin: 0; padding: 0; font-size: var(--cacs-font-size-sm); display: grid; gap: var(--cacs-space-1); }
.cacs-alert-card__body a { color: var(--color-primary-text); }

.cacs-license-card .item.copyright { font-size: var(--cacs-font-size-xs); color: var(--cacs-color-ink-muted); }
.cacs-license-card .item.copyright a { color: var(--color-primary-text); }

/* ---------- Responsive: collapse to single column ---------- */
@media (max-width: 80rem) {
  .cacs-article-grid { grid-template-columns: minmax(0, 1fr) 20rem; }
  .cacs-article-left { display: none; }
}
@media (max-width: 64rem) {
  .cacs-article-grid { grid-template-columns: minmax(0, 1fr); }
  .cacs-side-card { max-width: none; }
}