/* Card grid for the research and software pages.
 *
 * Scoped under .item-grid so it cannot leak into the rest of the site. Font
 * roles are inherited through the site-wide --font-* tokens in styles.css.
 */

.item-grid {
  --ig-accent: var(--main-color, #A85200);
  --ig-ink: #2f2a26;
  --ig-muted: #7a6a5c;
  --ig-line: #e8dccd;
  --ig-surface: #fffdfa;
  --ig-surface-2: #fff7ec;

  margin-top: 1.75rem;
}

/* ------------------------------------------------------------- controls */

.ig-controls {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.ig-controls[hidden] { display: none; }

.ig-search {
  width: 100%;
  border: 1px solid var(--ig-line);
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font-size: 1rem;
  color: var(--ig-ink);
  background: linear-gradient(180deg, #fffdf9 0%, #fff8ef 100%);
}

.ig-search:focus-visible {
  outline: 2px solid var(--ig-accent);
  outline-offset: 1px;
  border-color: var(--ig-accent);
}

.ig-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
}

.ig-sort {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--ig-muted);
}

.ig-sort-select {
  border: 1px solid var(--ig-line);
  border-radius: 8px;
  padding: 0.3rem 0.5rem;
  background: #fff;
  color: var(--ig-ink);
  font-size: 0.85rem;
}

.ig-view {
  display: inline-flex;
  border: 1px solid var(--ig-line);
  border-radius: 8px;
  overflow: hidden;
}

.ig-view button {
  border: 0;
  background: #fff;
  color: var(--ig-muted);
  font-size: 0.82rem;
  padding: 0.32rem 0.7rem;
  cursor: pointer;
}

.ig-view button[aria-pressed="true"] {
  background: var(--ig-accent);
  color: #fff;
}

/* ---------------------------------------------------------------- facets */

.ig-facets {
  display: grid;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ig-line);
  border-radius: 12px;
  background: var(--ig-surface-2);
}

.ig-facet {
  display: grid;
  grid-template-columns: minmax(4.5rem, auto) 1fr;
  gap: 0.6rem;
  align-items: baseline;
}

.ig-facet__label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ig-muted);
  font-weight: 700;
}

.ig-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ig-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--ig-line);
  background: #fff;
  color: #634529;
  border-radius: 999px;
  padding: 0.26rem 0.7rem;
  font-size: 0.82rem;
  line-height: 1.3;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.ig-chip:hover { background: #fff1e0; }

.ig-chip[aria-pressed="true"] {
  background: var(--ig-accent);
  border-color: var(--ig-accent);
  color: #fff;
}

.ig-chip:focus-visible {
  outline: 2px solid var(--ig-accent);
  outline-offset: 2px;
}

.ig-chip.is-empty { opacity: 0.4; }

.ig-count {
  font-size: 0.72rem;
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
}

.ig-clear {
  justify-self: start;
  border: 0;
  background: none;
  color: var(--ig-accent);
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0.1rem 0;
}

.ig-status {
  font-size: 0.82rem;
  color: var(--ig-muted);
  margin: 0 0 0.75rem;
}

.ig-empty {
  text-align: center;
  color: var(--ig-muted);
  padding: 2.5rem 1rem;
}

/* ----------------------------------------------------------------- list */

.ig-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.ig-list[data-view="compact"] { grid-template-columns: 1fr; gap: 0.5rem; }

.ig-card { margin: 0; display: flex; }
.ig-card[hidden] { display: none; }

/* ----------------------------------------------------------------- card */

.card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  border: 1px solid #efe2d2;
  background: linear-gradient(150deg, var(--ig-surface) 0%, var(--ig-surface-2) 100%);
  border-radius: 14px;
  padding: 1.05rem 1.15rem;
  box-shadow: 0 3px 16px rgba(109, 75, 44, 0.07);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(109, 75, 44, 0.13);
}

.card__head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.card__title {
  margin: 0;
  font-family: var(--font-display, inherit);
  font-size: 1.04rem;
  line-height: 1.35;
  color: #173042;
}

.card__title a { color: inherit; font-weight: 700; }
.card__title a:hover { color: var(--ig-accent); }

.card__authors,
.card__venue,
.card__blurb {
  margin: 0;
  font-size: 0.88rem;
  color: #55524e;
  line-height: 1.45;
}

.card__venue { color: var(--ig-muted); }
.card__authors .is-self { font-weight: 700; color: var(--ig-ink); }

/* Collaborators resolved through people.toml get a link; the affiliation
   rides along as a tooltip so the card stays compact. */
.card__authors .author-link {
  color: inherit;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}

.card__authors .author-link:hover { color: var(--ig-accent); }
.card__authors .author-aff { border-bottom: 1px dotted var(--ig-line); cursor: help; }

.card__links {
  margin: auto 0 0;
  padding-top: 0.35rem;
  font-size: 0.86rem;
}

.card__links .sep { margin: 0 0.45rem; color: #c3a887; }

.card__abstract summary {
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 700;
  color: #1d4c6b;
}

.card__abstract p {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  color: #4b4b4b;
  line-height: 1.5;
}

.muted { color: var(--ig-muted); font-size: 0.86rem; }

/* ----------------------------------------------------------- tags/badges */

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--ig-line);
  color: var(--ig-muted);
  background: #fff;
}

.tag--year { font-variant-numeric: tabular-nums; }
.tag--status.is-published,
.tag--status.is-active { background: #eef7ee; border-color: #cbe3c9; color: #2f6b31; }
.tag--status.is-wip,
.tag--status.is-experimental { background: #fdf3e3; border-color: #edd6ac; color: #8a5b12; }
.tag--status.is-archived { background: #f2f1ef; border-color: #ddd9d3; color: #6d6862; }
.tag--topic { text-transform: none; font-weight: 500; background: #fbf5ec; }

.badge {
  display: inline-flex;
  align-items: stretch;
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.7rem;
  line-height: 1.7;
  margin-right: 0.3rem;
}

.badge__k { background: #55524e; color: #fff; padding: 0 0.4rem; }
.badge__v { background: var(--ig-accent); color: #fff; padding: 0 0.4rem; }

/* --------------------------------------------------------------- software */

.card--software .card__head { align-items: flex-start; gap: 0.7rem; }

.card__hex {
  width: 46px;
  height: 46px;
  object-fit: contain;
  flex: 0 0 auto;
}

.card__hex--mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--ig-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
}

.card__headmeta { display: flex; flex-wrap: wrap; gap: 0.3rem; }

/* ------------------------------------------------------------- responsive */

@media (max-width: 720px) {
  .ig-list { grid-template-columns: 1fr; }
  .ig-facet { grid-template-columns: 1fr; gap: 0.3rem; }
  .ig-tools { justify-content: flex-start; }
  .card { border-radius: 12px; padding: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card:hover { transform: none; }
}

/* ------------------------------------------------------- detail pages */

.item-detail {
  margin: 0 0 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--ig-line, #e8dccd);
}

.item-badges { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 0.9rem; }

.author-list {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.author-list .author {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  font-size: 0.92rem;
}

.author-list .author__name { color: #2f2a26; }
.author-list .author.is-self .author__name { font-weight: 700; }
.author-list .author__aff { font-size: 0.76rem; color: #7a6a5c; }

.author-list .author__orcid {
  font-size: 0.7rem;
  font-weight: 700;
  color: #a6ce39;
}

.item-links { margin: 0; font-size: 0.95rem; }
.item-links .sep { margin: 0 0.5rem; color: #c3a887; }

/* Optional `image` / `image_caption` on an entry. Height-capped so a tall
   figure cannot push the abstract off the first screen. */
.item-figure { margin: 1.1rem 0 0; }

.item-figure img {
  display: block;
  max-width: 100%;
  max-height: 26rem;
  margin: 0 auto;
  border: 1px solid var(--ig-line, #e8dccd);
  border-radius: 10px;
  background: #fff;
}

.item-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #7a6a5c;
  text-align: center;
}

.related-list { margin: 0.25rem 0 0; padding-left: 1.1rem; }
.related-list li { margin-bottom: 0.25rem; }

/* --- cite block */

.cite-block { position: relative; }

.cite-block pre {
  background: #fbf5ec;
  border: 1px solid var(--ig-line, #e8dccd);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
}

.cite-copy {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 1;
  border: 1px solid var(--ig-line, #e8dccd);
  background: #fff;
  color: #634529;
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
}

.cite-copy:hover { background: #fff1e0; }
.cite-copy.is-copied { background: #eef7ee; border-color: #cbe3c9; color: #2f6b31; }
.cite-copy:focus-visible { outline: 2px solid var(--ig-accent); outline-offset: 2px; }

.back-link { margin-top: 2rem; font-size: 0.9rem; }

.ig-stamp {
  font-size: 0.75rem;
  color: var(--ig-muted, #7a6a5c);
  margin: -0.4rem 0 0.9rem;
}

.badge--muted .badge__v { background: #8a7a6b; }

.item-stamp {
  font-size: 0.74rem;
  color: var(--ig-muted, #7a6a5c);
  margin: -0.5rem 0 0.9rem;
}