/* =========================================================================
   Meridian · magazine layer — featured research, categories, filterable
   latest-research grid, current-issue storefront, news, related articles,
   article meta bar, issue archive/detail, search, editorial team.
   Loaded after home.css / article.css; only adds selectors those files do
   not already own.
   ========================================================================= */

/* ---- hero: asymmetric shapes + eyebrow ---- */
.mrd-hero--asymmetric .mrd-hero__inner { max-width: none; }
.mrd-hero--asymmetric .mrd-eyebrow { color: var(--mrd-accent-2); }
.mrd-hero__shape {
  position: absolute; z-index: -1; border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  filter: blur(2px); opacity: .35; pointer-events: none;
}
.mrd-hero__shape--a { width: 46vw; height: 46vw; max-width: 620px; max-height: 620px; top: -14%; right: -10%; background: radial-gradient(circle at 35% 35%, var(--mrd-accent), transparent 70%); }
.mrd-hero__shape--b { width: 30vw; height: 30vw; max-width: 420px; max-height: 420px; bottom: -16%; left: 4%; background: radial-gradient(circle at 60% 40%, var(--mrd-neon, var(--mrd-accent-2)), transparent 70%); }
@media (prefers-reduced-motion: no-preference) {
  .mrd-hero__shape { animation: mrdShapeDrift 16s var(--mrd-ease) infinite alternate; }
  .mrd-hero__shape--b { animation-duration: 20s; }
}
@keyframes mrdShapeDrift { from { transform: translate(0, 0) scale(1); } to { transform: translate(-3%, 4%) scale(1.06); } }

/* ---- section head reused; eyebrow already global ---- */

/* ---- Featured research: 1 big + 2 stacked small ---- */
.mrd-featured__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 18px; align-items: stretch; }
.mrd-featured__grid > .mrd-article-card:first-child { grid-row: 1 / -1; }
.mrd-featured__side { display: grid; gap: 18px; }
@media (max-width: 900px) { .mrd-featured__grid { grid-template-columns: 1fr; } }

/* ---- Magazine article card (article_summary.tpl) ---- */
.mrd-article-card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--mrd-surface); border: 1px solid var(--mrd-border);
  border-radius: var(--mrd-radius); box-shadow: var(--mrd-shadow-sm);
  transition: transform .25s var(--mrd-ease), box-shadow .25s var(--mrd-ease), border-color .25s;
}
.mrd-article-card:hover { transform: translateY(calc(-5px * var(--mrd-motion))); box-shadow: var(--mrd-shadow); border-color: var(--mrd-border-2); }
.mrd-featured__grid > .mrd-article-card:first-child { flex-direction: row; }
.mrd-featured__grid > .mrd-article-card:first-child .mrd-article-card__media { width: 46%; flex: none; }
.mrd-featured__grid > .mrd-article-card:first-child .mrd-article-card__body { flex: 1; }
@media (max-width: 700px) { .mrd-featured__grid > .mrd-article-card:first-child { flex-direction: column; } .mrd-featured__grid > .mrd-article-card:first-child .mrd-article-card__media { width: 100%; } }

.mrd-article-card__media { display: block; position: relative; overflow: hidden; aspect-ratio: 16/9; background: var(--mrd-bg-2); }
.mrd-article-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--mrd-ease); }
.mrd-article-card:hover .mrd-article-card__img { transform: scale(calc(1 + 0.06 * var(--mrd-motion))); }
.mrd-article-card__img--placeholder { display: grid; place-items: center; color: var(--mrd-text-3); background: linear-gradient(140deg, var(--mrd-bg-2), var(--mrd-surface-2)); }
.mrd-article-card__img--placeholder .material-symbols-outlined { font-size: 42px; }

.mrd-article-card__body { display: flex; flex-direction: column; gap: 8px; padding: 14px; flex: 1; }
.mrd-article-card__badge {
  align-self: flex-start; padding: 4px 10px; border-radius: 999px;
  background: var(--mrd-bg-2); color: var(--mrd-accent);
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.mrd-article-card__title { margin: 0; font-size: 16px; line-height: 1.3; }
.mrd-featured__grid > .mrd-article-card:first-child .mrd-article-card__title { font-size: clamp(22px, 2.4vw, 30px); }
.mrd-article-card__title a { color: var(--mrd-text); text-decoration: none; }
.mrd-article-card__title a:hover { color: var(--mrd-hover); }
/* Stretches the title link over the whole card so any part of it is
   clickable/tappable without nesting <a> elements or JS click handlers. */
.mrd-article-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.mrd-article-card__meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--mrd-text-3); }
.mrd-article-card__read { display: inline-flex; align-items: center; gap: 4px; }
.mrd-article-card__read .material-symbols-outlined { font-size: 15px; }
/* Kept above the stretched title link (z-index: 1) so their own links stay independently clickable. */
.mrd-article-card__galleys { position: relative; z-index: 2; list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.mrd-article-card__cta { position: relative; z-index: 2; margin-top: auto; padding-top: 4px; }

/* ---- Research categories ---- */
.mrd-categories__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr)); gap: 18px; }
.mrd-category-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 10px;
  padding: 26px 22px; border-radius: var(--mrd-radius-lg); color: #fff; text-decoration: none;
  min-height: 168px; justify-content: flex-end;
  transition: transform .25s var(--mrd-ease), box-shadow .25s var(--mrd-ease);
}
.mrd-category-card:hover { transform: translateY(calc(-4px * var(--mrd-motion))); text-decoration: none; box-shadow: var(--mrd-shadow-lg); }
.mrd-category-card__icon { font-size: 30px; opacity: .9; }
.mrd-category-card__label { font-family: var(--mrd-font-heading); font-size: 18px; font-weight: 700; }
.mrd-category-card__desc { font-size: 12.5px; line-height: 1.5; color: rgba(255,255,255,.82); }
.mrd-category-card--digitalSociety { background: linear-gradient(150deg, #2a3ea8, #6f7bf0); }
.mrd-category-card--technology     { background: linear-gradient(150deg, #0e6072, #22c1c3); }
.mrd-category-card--education      { background: linear-gradient(150deg, #b7791f, #f0b94d); color: #241a04; }
.mrd-category-card--education .mrd-category-card__desc { color: rgba(36,26,4,.72); }
.mrd-category-card--health         { background: linear-gradient(150deg, #9b2257, #e0679a); }
.mrd-category-card--socialSciences { background: linear-gradient(150deg, #226b4b, #63c290); }

/* ---- Latest research: filter chips + grid + load more ---- */
.mrd-filterbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 20px; }
.mrd-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--mrd-border-2);
  background: var(--mrd-surface); color: var(--mrd-text-2);
  font-size: 12.5px; font-weight: 600; cursor: pointer;
}
.mrd-chip:hover { border-color: var(--mrd-accent); color: var(--mrd-text); }
.mrd-chip.is-active { background: var(--mrd-primary); border-color: transparent; color: var(--mrd-on-primary); }
:root[data-theme="dark"] .mrd-chip.is-active { background: var(--mrd-accent); color: var(--mrd-on-accent); }
.mrd-latest__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: 16px; }
.mrd-latest__grid > .mrd-article-card[data-mrd-hidden] { display: none; }
.mrd-latest__more { display: flex; justify-content: center; margin-top: 28px; }

/* ---- Current issue: storefront cover + adjacent carousel ---- */
.mrd-current-issue__layout { display: grid; grid-template-columns: minmax(220px, 30%) 1fr; gap: 40px; align-items: center; }
.mrd-current-issue__mockup { display: block; position: relative; }
.mrd-current-issue__cover img {
  width: 100%; border-radius: var(--mrd-radius); box-shadow: 0 30px 60px rgba(11,35,65,.22), 0 1px 0 var(--mrd-border);
  transform: perspective(900px) rotateY(-6deg); transition: transform .35s var(--mrd-ease);
}
.mrd-current-issue__cover:hover img { transform: perspective(900px) rotateY(0deg) scale(calc(1 + 0.02 * var(--mrd-motion))); }
.mrd-current-issue__placeholder {
  display: grid; place-items: center; aspect-ratio: 3/4; border-radius: var(--mrd-radius);
  background: linear-gradient(160deg, var(--mrd-primary), var(--mrd-primary-2));
  color: rgba(255,255,255,.7); box-shadow: var(--mrd-shadow-lg);
}
.mrd-current-issue__placeholder .material-symbols-outlined { font-size: 54px; }
.mrd-current-issue__info h3 { font-size: clamp(22px, 2.6vw, 30px); margin: .2em 0 .5em; }
.mrd-current-issue__desc { color: var(--mrd-text-2); line-height: 1.75; margin-bottom: 20px; }
@media (max-width: 800px) { .mrd-current-issue__layout { grid-template-columns: 1fr; } .mrd-current-issue__cover { max-width: 260px; margin-inline: auto; } }

.mrd-issue-carousel { position: relative; margin-top: 36px; display: flex; align-items: center; gap: 10px; }
.mrd-issue-carousel__track { display: flex; gap: 20px; overflow-x: auto; scroll-behavior: smooth; scroll-snap-type: x mandatory; padding-bottom: 6px; }
.mrd-issue-carousel__item { flex: 0 0 auto; width: min(240px, 70vw); scroll-snap-align: start; }
.mrd-issue-carousel__nav {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 999px;
  border: 1px solid var(--mrd-border-2); background: var(--mrd-surface); color: var(--mrd-text);
}
.mrd-issue-carousel__nav:hover { border-color: var(--mrd-accent); color: var(--mrd-accent); }

/* ---- Issue card (issue_summary.tpl) — storefront cover ---- */
.mrd-issue-card { position: relative; }
.mrd-issue-card__ribbon {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  padding: 4px 10px; border-radius: 999px; background: var(--mrd-accent); color: var(--mrd-on-accent);
  font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.mrd-issue-card__cover { position: relative; display: block; overflow: hidden; border-radius: calc(var(--mrd-radius-sm) - 2px); }
.mrd-issue-card__cover img { transition: transform .4s var(--mrd-ease); }
.mrd-issue-card:hover .mrd-issue-card__cover img { transform: scale(calc(1 + 0.05 * var(--mrd-motion))); }
.mrd-issue-card__placeholder {
  display: grid; place-items: center; gap: 8px; aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--mrd-bg-2), var(--mrd-surface-2)); color: var(--mrd-text-3); text-align: center; padding: 12px;
}
.mrd-issue-card__placeholder .material-symbols-outlined { font-size: 32px; }
.mrd-issue-card__zoom {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(11,35,65,.35); color: #fff; opacity: 0; transition: opacity .2s;
}
.mrd-issue-card:hover .mrd-issue-card__zoom { opacity: 1; }
.mrd-issue-card__cta { margin-top: 4px; }
.mrd-issue-card--current { border-color: var(--mrd-accent); box-shadow: 0 0 0 2px var(--mrd-accent) inset, var(--mrd-shadow); }
.page_issue_archive .issues_archive[data-mrd-issue-grid] > li[data-mrd-hidden] { display: none; }

/* ---- News / announcements section ---- */
.mrd-news__grid .cmp_announcements,
.mrd-news__grid ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); gap: 20px; }
.mrd-news__grid .obj_announcement_summary {
  display: flex; flex-direction: column; gap: 8px; padding: 20px;
  background: var(--mrd-surface); border: 1px solid var(--mrd-border); border-left: 4px solid var(--mrd-accent);
  border-radius: var(--mrd-radius); box-shadow: var(--mrd-shadow-sm);
}
.mrd-news__grid .obj_announcement_summary .title { font-family: var(--mrd-font-heading); font-size: 17px; margin: 0; }
.mrd-news__grid .obj_announcement_summary .title a { color: var(--mrd-text); text-decoration: none; }
.mrd-news__grid .obj_announcement_summary date,
.mrd-news__grid .obj_announcement_summary .date { font-size: 12px; color: var(--mrd-text-3); }

/* ---- Related articles (article page footer) ---- */
.mrd-related { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--mrd-border); }
.mrd-related__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); gap: 18px; }
.mrd-related__card {
  display: flex; flex-direction: column; gap: 8px; padding: 14px;
  background: var(--mrd-surface); border: 1px solid var(--mrd-border); border-radius: var(--mrd-radius);
  color: inherit; text-decoration: none; transition: transform .2s var(--mrd-ease), box-shadow .2s var(--mrd-ease);
}
.mrd-related__card:hover { transform: translateY(-3px); box-shadow: var(--mrd-shadow); text-decoration: none; }
.mrd-related__media { display: block; aspect-ratio: 16/10; border-radius: var(--mrd-radius-sm); overflow: hidden; background: var(--mrd-bg-2); }
.mrd-related__media img { width: 100%; height: 100%; object-fit: cover; }
.mrd-related__placeholder { display: grid; place-items: center; height: 100%; color: var(--mrd-text-3); }
.mrd-related__title { font-family: var(--mrd-font-heading); font-weight: 700; font-size: 14.5px; color: var(--mrd-text); line-height: 1.35; }
.mrd-related__date { font-size: 11.5px; color: var(--mrd-text-3); }

/* ---- Article page: meta bar / sticky nav / chips / collapsible / cite-share ---- */
.mrd-article__metabar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 14px; }
.mrd-article__badge {
  padding: 4px 12px; border-radius: 999px; background: var(--mrd-bg-2); color: var(--mrd-accent);
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.mrd-article__metaitem { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--mrd-text-3); }
.mrd-article__metaitem .material-symbols-outlined { font-size: 16px; }

.mrd-article__nav {
  position: sticky; top: calc(var(--mrd-nav-h) + 1px); z-index: 40;
  display: flex; gap: 4px; overflow-x: auto;
  margin: 0 0 28px; padding: 6px; background: var(--mrd-surface);
  border: 1px solid var(--mrd-border); border-radius: var(--mrd-radius-sm); box-shadow: var(--mrd-shadow-sm);
}
.mrd-article__nav a {
  flex: none; padding: 8px 14px; border-radius: calc(var(--mrd-radius-sm) - 4px);
  font-size: 12.5px; font-weight: 700; color: var(--mrd-text-2); text-decoration: none; white-space: nowrap;
}
.mrd-article__nav a:hover, .mrd-article__nav a.is-active { background: var(--mrd-bg-2); color: var(--mrd-text); }

.mrd-chiplist { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.mrd-chip--static { padding: 6px 12px; border-radius: 999px; background: var(--mrd-bg-2); color: var(--mrd-text-2); font-size: 12.5px; cursor: default; }

details.item.references summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
details.item.references summary::-webkit-details-marker { display: none; }
details.item.references .mrd-article__chev { transition: transform .2s var(--mrd-ease); }
details.item.references[open] .mrd-article__chev { transform: rotate(180deg); }

.mrd-cite-share__row { display: flex; flex-wrap: wrap; gap: 8px; }
.mrd-cite-share__output {
  margin-top: 10px; width: 100%; min-height: 74px; padding: 10px 12px; font-size: 12.5px;
  border: 1px solid var(--mrd-border); border-radius: var(--mrd-radius-sm);
  background: var(--mrd-bg-2); color: var(--mrd-text); font-family: var(--mrd-font-mono);
}

/* ---- Issue archive (storefront) ---- */
.mrd-archive__hero { padding: 48px 0 12px; }
.mrd-archive__hero h1 { margin: .1em 0 .3em; }
.mrd-archive__hero p { color: var(--mrd-text-2); max-width: 46rem; }
.mrd-archive__grid { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15.5rem), 1fr)); gap: 24px; }
.mrd-archive__grid > li { min-width: 0; }

/* ---- Single issue hero ---- */
.mrd-issue-hero { padding: 36px 0 8px; }
.mrd-issue-hero__inner { display: grid; grid-template-columns: minmax(180px, 24%) 1fr; gap: 32px; align-items: center; }
.mrd-issue-hero__cover img { width: 100%; border-radius: var(--mrd-radius); box-shadow: var(--mrd-shadow-lg); }
.mrd-issue-hero__placeholder { display: grid; place-items: center; aspect-ratio: 3/4; border-radius: var(--mrd-radius); background: linear-gradient(160deg, var(--mrd-primary), var(--mrd-primary-2)); color: rgba(255,255,255,.7); }
.mrd-issue-hero__placeholder .material-symbols-outlined { font-size: 46px; }
.mrd-issue-hero__desc { color: var(--mrd-text-2); line-height: 1.75; margin: 10px 0; }
.mrd-issue-hero__date { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--mrd-text-3); }
@media (max-width: 800px) { .mrd-issue-hero__inner { grid-template-columns: 1fr; } .mrd-issue-hero__cover { max-width: 220px; margin-inline: auto; } }

/* Editorial-list TOC on the issue page: the plain OJS heading block is
   redundant with .mrd-issue-hero above, so it is hidden here only. */
.mrd-issue-page__toc .obj_issue_toc > .heading { display: none; }
.mrd-issue-page__toc .obj_issue_toc .section > h2,
.mrd-issue-page__toc .obj_issue_toc .section > h3 {
  font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--mrd-text-3);
  margin: 32px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--mrd-border);
}
.mrd-issue-page__toc .cmp_article_list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.mrd-issue-page__toc .obj_article_summary:not(.mrd-article-card) {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px;
  padding: 14px 0; border-bottom: 1px solid var(--mrd-border);
}

/* ---- Search ---- */
.mrd-search-hero { padding: 44px 0 30px; background: var(--mrd-bg-2); }
:root[data-theme="dark"] .mrd-search-hero { background: var(--mrd-surface-2); }
.mrd-search-hero h1 { margin: .2em 0 .6em; }
.mrd-search-hero__row { display: flex; gap: 10px; flex-wrap: wrap; }
.mrd-search-hero__row .query {
  flex: 1; min-width: 220px; height: 52px; padding: 0 18px; font-size: 16px;
  border: 1px solid var(--mrd-border-2); border-radius: var(--mrd-radius-sm); background: var(--mrd-surface); color: var(--mrd-text);
}
.mrd-search-drawer { margin-top: 18px; padding: 20px; border: 1px solid var(--mrd-border); border-radius: var(--mrd-radius); background: var(--mrd-surface); }
.mrd-search-drawer legend { font-weight: 700; padding: 0 6px; }
.mrd-search-drawer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 18px; margin-top: 10px; }
.mrd-search__meta { margin: 22px 0 6px; font-size: 13px; color: var(--mrd-text-3); }
.mrd-search__grid { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: 16px; }
.mrd-search__empty { display: grid; justify-items: center; gap: 10px; padding: 60px 20px; text-align: center; color: var(--mrd-text-2); }
.mrd-search__empty-icon { font-size: 48px; color: var(--mrd-text-3); }

/* ---- Editorial team directory ---- */
.mrd-team__section { padding-top: 36px; }
.mrd-team__grid { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14.5rem), 1fr)); gap: 18px; }
.mrd-team__grid--compact { grid-template-columns: repeat(auto-fill, minmax(min(100%, 12rem), 1fr)); gap: 12px; }
.mrd-team-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 20px;
  background: var(--mrd-surface); border: 1px solid var(--mrd-border); border-radius: var(--mrd-radius);
  box-shadow: var(--mrd-shadow-sm); transition: transform .2s var(--mrd-ease), box-shadow .2s var(--mrd-ease);
}
.mrd-team-card:hover { transform: translateY(-3px); box-shadow: var(--mrd-shadow); }
.mrd-team-card--compact { padding: 14px; gap: 4px; }
.mrd-team-card__avatar {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 999px;
  background: linear-gradient(140deg, var(--mrd-primary), var(--mrd-accent)); color: #fff;
  font-family: var(--mrd-font-heading); font-weight: 700; font-size: 20px;
}
.mrd-team-card--compact .mrd-team-card__avatar { width: 38px; height: 38px; font-size: 15px; }
.mrd-team-card__since { font-size: 11px; color: var(--mrd-text-3); }
.mrd-team-card__name { font-family: var(--mrd-font-heading); font-weight: 700; color: var(--mrd-text); font-size: 15px; }
.mrd-team-card__orcid { display: inline-flex; margin-left: 6px; vertical-align: middle; }
.mrd-team-card__affiliation { font-size: 12.5px; color: var(--mrd-text-3); }
.mrd-team__historylink { margin-top: 28px; font-size: 13px; color: var(--mrd-text-3); }

/* ---- Empty-state polish shared by search / archive ---- */
.mrd-search__empty h2 { margin: 0; }

/* ---- Mobile full-screen primary navigation ---- */
@media (max-width: 900px) {
  .mrd-nav__menus.is-open {
    position: fixed; inset: 0; top: var(--mrd-nav-h, 60px);
    max-height: none; height: calc(100dvh - var(--mrd-nav-h, 60px));
    z-index: 1200; border: 0; border-radius: 0;
  }
}