/* ==========================================================================
   NDU Library Search — theme "ndu" (extends sandal5)
   Crest palette: gold #DBBA08 · green #315832 · red #BD2327
   Type: Spectral (titles) · Public Sans (UI/body) · IBM Plex Mono (labels)
   Canonical copy lives in the ndu-digital-library repo; deploy to
   /usr/local/vufind/themes/ndu/css/custom.css
   ========================================================================== */

/* ---- fonts (self-hosted, latin) ---- */
@font-face { font-family: 'Spectral'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/Spectral-600.woff2') format('woff2'); }
@font-face { font-family: 'Spectral'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/Spectral-700.woff2') format('woff2'); }
@font-face { font-family: 'Public Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/PublicSans-400.woff2') format('woff2'); }
@font-face { font-family: 'Public Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/PublicSans-600.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/IBMPlexMono-400.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/IBMPlexMono-500.woff2') format('woff2'); }

/* ---- tokens ---- */
:root, [data-bs-theme=light] {
  --ndu-green-deep: #1d3620;
  --ndu-green: #315832;
  --ndu-green-link: #2c4f2e;
  --ndu-gold: #dbba08;
  --ndu-gold-soft: #f6edc4;
  --ndu-red: #bd2327;
  --ndu-ink: #1c201b;
  --ndu-ink-soft: #4c544c;
  --ndu-line: #dcdad0;
  --ndu-surface: #fdfcf7;
  --ndu-serif: 'Spectral', Georgia, serif;
  --ndu-sans: 'Public Sans', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --ndu-mono: 'IBM Plex Mono', Menlo, Consolas, monospace;

  --bs-body-font-family: var(--ndu-sans);
  --bs-body-color: var(--ndu-ink);
  --bs-primary: var(--ndu-green);
  --bs-primary-rgb: 49, 88, 50;
  --bs-link-color: var(--ndu-green-link);
  --bs-link-color-rgb: 44, 79, 46;
  --bs-link-hover-color: var(--ndu-green-deep);
  --bs-border-radius: .2rem;
}
body { font-family: var(--ndu-sans); color: var(--ndu-ink); }

/* ---- header band + tricolour rule ---- */
header .navbar, .banner, .navbar-dark { background-color: var(--ndu-green-deep) !important; }
.banner.navbar { padding-top: .55rem; padding-bottom: .55rem; }
.navbar-brand.ndu-brand {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--ndu-serif); font-weight: 600; font-size: 1.3rem;
  letter-spacing: .01em; color: #f7f6f1 !important;
  background-image: none !important; width: auto; text-decoration: none;
}
.navbar-brand.ndu-brand:hover span { text-decoration: underline; text-decoration-color: var(--ndu-gold); text-underline-offset: 4px; }
header { position: relative; }
header::after {
  content: ""; display: block; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--ndu-red) 0 33.4%, var(--ndu-gold) 33.4% 66.7%, var(--ndu-green) 66.7% 100%);
}

/* ---- search band ---- */
.search.container, #searchForm { font-family: var(--ndu-sans); }
#searchForm_lookfor, #searchForm .searchForm_lookfor {
  border: 2px solid var(--ndu-gold);
  background: #fffdf5; color: var(--ndu-ink);
  font-size: 1.02rem; padding: .6rem .9rem;
  border-radius: .2rem 0 0 .2rem;
}
#searchForm_lookfor:focus { outline: 3px solid var(--ndu-gold); outline-offset: 1px; box-shadow: none; }
#searchForm .btn-primary, .searchForm .btn-primary {
  background: var(--ndu-gold); border-color: var(--ndu-gold);
  color: var(--ndu-green-deep); font-weight: 600;
}
#searchForm .btn-primary:hover { background: #e9cc2a; border-color: #e9cc2a; color: var(--ndu-green-deep); }
#searchForm_type, #searchForm .searchForm_type { border-color: var(--ndu-gold); }

/* ---- home hero ---- */
.searchHomeContent {
  background-image: radial-gradient(120% 140% at 50% -20%, rgba(219,186,8,.24), rgba(0,0,0,0) 60%),
                    linear-gradient(160deg, var(--ndu-green-deep) 0%, var(--ndu-green) 100%) !important;
  background-size: cover;
  padding-top: 3.2rem; padding-bottom: 3.4rem;
}
.searchHomeContent::before, .searchHomeContent::after { content: none !important; }
.searchHomeContent h1, .searchHomeContent .search-home-heading {
  font-family: var(--ndu-serif); font-weight: 600; color: #f7f6f1;
  text-wrap: balance;
}

/* home browse columns: quiet, readable */
.home-facet-list a { color: var(--ndu-green-link); text-decoration: none; }
.home-facet-list a:hover { text-decoration: underline; }
.home-facet-container h2, .home-facet h2 {
  font-family: var(--ndu-serif); font-weight: 600; font-size: 1.3rem;
  border-bottom: 1px solid var(--ndu-line); padding-bottom: .4rem;
}

/* ---- buttons, global states ---- */
.btn-primary {
  --bs-btn-bg: var(--ndu-green); --bs-btn-border-color: var(--ndu-green);
  --bs-btn-hover-bg: var(--ndu-green-deep); --bs-btn-hover-border-color: var(--ndu-green-deep);
  --bs-btn-active-bg: var(--ndu-green-deep); --bs-btn-active-border-color: var(--ndu-green-deep);
  --bs-btn-focus-shadow-rgb: 219, 186, 8;
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--ndu-gold); outline-offset: 2px;
}

/* ---- results list ---- */
.result { border-bottom: 1px solid var(--ndu-line); padding: 1.05rem 0; }
.result .title, .result a.title {
  font-family: var(--ndu-serif); font-weight: 600; font-size: 1.16rem;
  line-height: 1.3; color: var(--ndu-green-link);
}
.result .title:hover { color: var(--ndu-green-deep); }
.result .result-author, .result .author { color: var(--ndu-ink-soft); }
.result mark, mark {
  background: var(--ndu-gold-soft); color: inherit; padding: 0 .1em;
}
/* format chips: mono, quiet */
.result .badge, .badge.bg-secondary, span.format {
  font-family: var(--ndu-mono); font-size: .64rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  background: #eef2ea !important; color: var(--ndu-green-deep) !important;
  border: 1px solid #d3ddcf; border-radius: 999px; padding: .28em .7em;
}
/* result count heading */
.search-stats, .search-header h1 { font-family: var(--ndu-sans); font-size: .95rem; color: var(--ndu-ink-soft); }
.search-stats strong { color: var(--ndu-ink); }

/* suggested topics row */
.search-suggestions .btn, .related-topics a.btn {
  border-color: var(--ndu-line); color: var(--ndu-green-link); background: var(--ndu-surface);
}
.search-suggestions .btn:hover { border-color: var(--ndu-gold); background: #fffdf5; }

/* ---- facet sidebar ---- */
.sidebar .facet-group .title, .sidebar h2, .facet-group > .title {
  font-family: var(--ndu-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ndu-ink-soft);
}
.sidebar .facet-group { border: 1px solid var(--ndu-line); border-radius: .2rem; background: var(--ndu-surface); }
.sidebar .facet a { color: var(--ndu-green-link); }
.sidebar .badge { background: #eef2ea !important; color: var(--ndu-green-deep) !important; font-family: var(--ndu-sans); }
.active-filters .filters .filter-value, .active-filters .badge {
  background: var(--ndu-gold-soft) !important; color: var(--ndu-green-deep) !important;
  border: 1px solid var(--ndu-gold);
}

/* ---- record page ---- */
.record h1, .media-body h1 { font-family: var(--ndu-serif); font-weight: 600; text-wrap: balance; }
.record table th { color: var(--ndu-ink-soft); font-weight: 600; }

/* ---- breadcrumbs & pagination ---- */
.breadcrumbs { background: #f2f1ea; border-bottom: 1px solid var(--ndu-line); }
.pagination { --bs-pagination-active-bg: var(--ndu-green); --bs-pagination-active-border-color: var(--ndu-green); --bs-pagination-color: var(--ndu-green-link); }

/* ---- footer ---- */
footer, .footer-container {
  background: var(--ndu-green-deep) !important; color: #cfd6cb;
  border-top: 4px solid var(--ndu-gold);
}
footer a { color: #e6e5da; }
footer a:hover { color: #fff; }
footer .ndu-foot-motto { font-family: var(--ndu-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ndu-gold); }
footer hr { border-color: rgba(242,241,232,.18); }

/* ---- misc cleanups ---- */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* refinements: pass 2 */
.result .title { text-decoration: none; }
.result .title:hover { text-decoration: underline; text-underline-offset: 3px; }
img[src*="noCover"] { filter: grayscale(1) opacity(.4); }
.result .recordcover { border: 1px solid var(--ndu-line); border-radius: 2px; }
.search-suggestions .btn, .related-topics a.btn { text-decoration: none; }

/* home hero: voice + proportion */
header { background: var(--ndu-green-deep); }
.searchHomeContent { min-height: 0 !important; padding: clamp(2.4rem, 6vw, 4rem) 1rem; }
.ndu-home-lede { max-width: 44rem; margin: 0 auto .4rem; }
.ndu-home-lede h1 {
  font-family: var(--ndu-serif); font-weight: 600; color: #f7f6f1;
  font-size: clamp(1.9rem, 4.5vw, 2.9rem); line-height: 1.12; text-wrap: balance; margin: 0 0 .5rem;
}
.ndu-home-lede p { color: #d6ddd2; font-size: 1.02rem; max-width: 60ch; margin: 0 0 1.4rem; }
.searchHomeContent .searchForm, .searchHomeContent #searchForm { max-width: 44rem; margin: 0 auto; }
.searchHomeContent #searchForm_lookfor { font-size: 1.1rem; padding: .75rem 1rem; }

/* Located line: which library, shelf, call number */
.ndu-located { font-size: .85rem; color: var(--ndu-ink-soft); margin-top: .3rem; }
.ndu-located__label { font-weight: 600; color: var(--ndu-ink); }
.ndu-located__call { font-family: var(--ndu-mono); font-size: .78rem; }

/* ==== Explore the collection (home) ==== */
.ndu-explore { max-width: 72rem; margin: 0 auto; padding: 2.6rem 1rem 3rem; }
.ndu-explore__title {
  font-family: var(--ndu-serif); font-weight: 600; font-size: 1.7rem;
  color: var(--ndu-ink); margin: 0 0 .3rem;
  display: flex; align-items: center; gap: .9rem;
}
.ndu-explore__title::after { content: ""; flex: 1; height: 1px; background: var(--ndu-line); }
.ndu-explore__hint { color: var(--ndu-ink-soft); margin: 0 0 1.2rem; }

.ndu-class-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: .7rem; margin-bottom: 2.2rem;
}
.ndu-class-tile {
  position: relative; display: block; min-height: 108px;
  background: linear-gradient(155deg, #234227 0%, var(--ndu-green-deep) 80%);
  border-radius: .4rem; padding: .85rem .9rem; overflow: hidden;
  text-decoration: none;
  transition: transform .18s cubic-bezier(.22,1,.36,1), box-shadow .18s ease;
  animation: ndu-tile-in .5s cubic-bezier(.22,1,.36,1) both;
}
.ndu-class-tile:nth-child(-n+20) { animation-delay: calc(var(--d, 0) * 1ms); }
.ndu-class-tile__label {
  position: relative; z-index: 1; display: block; max-width: 78%;
  color: #eef1ea; font-weight: 600; font-size: .88rem; line-height: 1.3;
  text-wrap: balance;
}
.ndu-class-tile__letter {
  position: absolute; right: .35rem; bottom: -1.4rem; z-index: 0;
  font-family: var(--ndu-serif); font-weight: 700; font-size: 5.4rem;
  color: var(--ndu-gold); opacity: .22; line-height: 1;
  transition: opacity .18s ease, transform .18s cubic-bezier(.22,1,.36,1);
}
.ndu-class-tile:hover, .ndu-class-tile:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(18, 43, 29, .28);
}
.ndu-class-tile:hover .ndu-class-tile__letter,
.ndu-class-tile:focus-visible .ndu-class-tile__letter {
  opacity: .95; transform: translateY(-4px);
}
.ndu-class-tile.is-core {
  background: linear-gradient(155deg, #3a6a3c 0%, #234227 85%);
  outline: 1px solid rgba(219,186,8,.5); outline-offset: -1px;
}
.ndu-class-tile.is-core .ndu-class-tile__letter { opacity: .5; }

@keyframes ndu-tile-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.ndu-chip-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: .45rem;
  padding: .65rem 0; border-top: 1px solid var(--ndu-line);
}
.ndu-chip-row__label {
  font-family: var(--ndu-mono); font-size: .68rem; font-weight: 500;
  letter-spacing: .13em; text-transform: uppercase; color: var(--ndu-ink-soft);
  margin-right: .4rem; min-width: 8.5rem;
}
.ndu-chip {
  display: inline-block; padding: .3rem .85rem; border-radius: 999px;
  border: 1px solid var(--ndu-line); background: var(--ndu-surface);
  color: var(--ndu-green-link); font-size: .86rem; text-decoration: none;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.ndu-chip:hover, .ndu-chip:focus-visible {
  border-color: var(--ndu-gold); background: #fffdf5; transform: translateY(-1px);
}
.ndu-chip--more { font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .ndu-class-tile { animation: none; }
}
@media (max-width: 34rem) {
  .ndu-class-grid { grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); }
  .ndu-chip-row__label { min-width: 100%; }
}

/* ==== home hero v2: centered, unified search bar, motion ==== */
.searchHomeContent { text-align: center; }
.ndu-home-lede { margin: 0 auto .6rem; }
.ndu-home-lede h1 { animation: ndu-tile-in .55s cubic-bezier(.22,1,.36,1) both; }
.ndu-home-lede p { margin-left: auto; margin-right: auto; animation: ndu-tile-in .55s cubic-bezier(.22,1,.36,1) .08s both; }
.searchHomeContent #searchForm {
  display: flex; align-items: center; gap: .25rem;
  max-width: 46rem; margin: 0 auto;
  background: #fffdf5; border: 2px solid var(--ndu-gold);
  border-radius: .55rem; padding: .35rem;
  box-shadow: 0 20px 46px rgba(0, 0, 0, .3);
  animation: ndu-tile-in .55s cubic-bezier(.22,1,.36,1) .16s both;
}
.searchHomeContent #searchForm:focus-within {
  outline: 3px solid var(--ndu-gold); outline-offset: 2px;
}
.searchHomeContent #searchForm_lookfor {
  flex: 1; min-width: 0; border: none; background: transparent;
  font-size: 1.12rem; padding: .55rem .8rem;
}
.searchHomeContent #searchForm_lookfor:focus { outline: none; }
.searchHomeContent #searchForm_type {
  border: none; border-left: 1px solid var(--ndu-line); border-radius: 0;
  background: transparent; color: var(--ndu-ink-soft); font-size: .9rem;
  max-width: 9.5rem;
}
.searchHomeContent #searchForm .btn-primary { border-radius: .4rem; padding: .55rem 1.25rem; }
.searchHomeContent #searchForm .btn-link, .searchHomeContent #searchForm a {
  color: var(--ndu-green-link); font-size: .9rem;
}
.ndu-try {
  margin: 1rem auto 0; display: flex; flex-wrap: wrap; gap: .45rem;
  justify-content: center; align-items: center;
  animation: ndu-tile-in .55s cubic-bezier(.22,1,.36,1) .26s both;
}
.ndu-try span { color: #b9c4b4; font-size: .85rem; }
.ndu-try a {
  color: #f0edda; font-size: .85rem; text-decoration: none;
  border: 1px solid rgba(242, 241, 232, .35); border-radius: 999px;
  padding: .22rem .8rem; transition: border-color .15s ease, background .15s ease;
}
.ndu-try a:hover, .ndu-try a:focus-visible {
  border-color: var(--ndu-gold); background: rgba(219, 186, 8, .12);
}
@media (prefers-reduced-motion: reduce) {
  .ndu-home-lede h1, .ndu-home-lede p, .searchHomeContent #searchForm, .ndu-try { animation: none; }
}
@media (max-width: 34rem) {
  .searchHomeContent #searchForm { flex-wrap: wrap; }
  .searchHomeContent #searchForm_type { border-left: none; }
}