/* ---------------------------------------------------------------------
   Manuscript Illumination Catalogue
   Palette: vellum ground, iron-gall ink, rubric red, ultramarine, ochre
--------------------------------------------------------------------- */
:root {
  --parchment: #e8dfc4;
  --parchment-deep: #ddcf9f;
  --panel: #f2ead2;
  --ink: #241f16;
  --ink-soft: #4a4130;
  --rubric: #9c2b23;
  --rubric-dim: #b5493f;
  --ultramarine: #24466b;
  --gold: #93702c;
  --sage: #445c3f;
  --hairline: #c9b988;
  --radius: 3px;
  --font-display: "Fraunces", serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  background-image:
    radial-gradient(ellipse at top left, rgba(255,255,255,0.25), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(0,0,0,0.05), transparent 55%);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

a { color: var(--ultramarine); }
a:hover { color: var(--rubric); }

::selection { background: var(--gold); color: var(--panel); }

.mono { font-family: var(--font-mono); }

/* ---- header / footer ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding: 1.1rem 2rem;
  border-bottom: 2px solid var(--ink);
  background: var(--panel);
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.brand:hover { color: var(--rubric); }
.brand-mark {
  color: var(--rubric);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
}
.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.15rem;
}
.site-nav a:hover { color: var(--rubric); }
.site-nav a.active { color: var(--rubric); border-bottom-color: var(--rubric); }

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 2rem 2.5rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}

/* ---- homepage hero / search ---- */
.hero {
  padding: 3rem 2rem 1.5rem;
  max-width: 62rem;
  margin: 0 auto;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 0.5rem;
}
.hero-sub {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0;
}

.search-panel {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 2rem 1.5rem;
}
#search-input, #illum-search {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.05rem;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
}
#search-input:focus, #illum-search:focus, select:focus, input:focus {
  outline: 3px solid var(--gold);
  outline-offset: 1px;
}
.filter-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}
select {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--ink-soft);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
}
.result-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-left: auto;
}

/* ---- manuscript card grid ---- */
.ms-grid {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.1rem;
}
.ms-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.ms-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(36,31,22,0.18);
  border-color: var(--gold);
}
.card-thumb {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  background: var(--parchment-deep);
  border-bottom: 1px solid var(--hairline);
}
.card-thumb--empty {
  height: 150px;
  background: linear-gradient(135deg, var(--parchment-deep), var(--panel));
}
.card-body { padding: 0.85rem 0.95rem 1rem; }
.card-shelfmark {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.3rem;
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  line-height: 1.25;
}
.card-author {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}
.card-meta {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.card-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
}
.no-results {
  text-align: center;
  color: var(--ink-soft);
  padding: 2rem;
  font-family: var(--font-mono);
}

/* ---- manuscript detail page ---- */
.ms-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  align-items: start;
  max-width: 78rem;
  margin: 0 auto;
  gap: 0;
}
.ms-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  border-right: 2px solid var(--ink);
  background: var(--panel);
}
.ms-sidebar-inner { padding: 1.75rem 1.5rem 3rem; }
.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  margin-bottom: 1.25rem;
}
.initial-box {
  width: 3.4rem;
  height: 3.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2rem;
  color: var(--rubric);
  background: linear-gradient(160deg, var(--panel), var(--parchment-deep));
  border: 2px solid var(--rubric);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
}
.ms-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1.2;
  margin: 0 0 0.9rem;
}
.field { margin-bottom: 0.85rem; }
.field-block { margin-bottom: 1.1rem; }
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sage);
  margin-bottom: 0.15rem;
}
.field-value {
  display: block;
  font-size: 0.92rem;
}
.field-value.mono { font-family: var(--font-mono); font-size: 0.82rem; }
p.field-value { margin: 0; font-size: 0.88rem; line-height: 1.5; color: var(--ink-soft); }
.illum-total {
  margin-top: 1.25rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--sage);
}

.extra-fields { margin: 0.9rem 0; }
.extra-fields summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.extra-fields-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.6rem;
  font-size: 0.78rem;
}
.extra-fields-table th {
  text-align: left;
  vertical-align: top;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--sage);
  padding: 0.25rem 0.5rem 0.25rem 0;
  white-space: nowrap;
}
.extra-fields-table td {
  padding: 0.25rem 0;
  color: var(--ink-soft);
}

.ms-main { padding: 1.75rem 2rem 4rem; min-width: 0; }
.illum-search-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.5rem;
  position: sticky;
  top: 0;
  background: var(--parchment);
  padding: 0.75rem 0;
  z-index: 5;
}
#illum-search { flex: 1 1 260px; }

.illum-list { display: flex; flex-direction: column; gap: 1.75rem; }
.illum {
  display: grid;
  grid-template-columns: minmax(180px, 320px) 1fr;
  gap: 1.25rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--hairline);
}
.illum-images {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-content: flex-start;
}
.illum-thumb-btn {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0;
  background: var(--panel);
  cursor: zoom-in;
  overflow: hidden;
  line-height: 0;
}
.illum-thumb-btn:hover { border-color: var(--gold); }
.illum-thumb-btn img { width: 140px; height: 140px; object-fit: cover; display: block; }
.illum-noimg {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  padding: 1rem;
  border: 1px dashed var(--hairline);
  border-radius: var(--radius);
}
.illum-tags { display: flex; gap: 0.5rem; margin-bottom: 0.4rem; flex-wrap: wrap; }
.illum-folio {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--ink);
  color: var(--panel);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius);
}
.illum-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--rubric);
  border: 1px solid var(--rubric-dim);
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius);
}
.illum-caption { margin: 0 0 0.4rem; font-size: 0.97rem; }
.illum-text, .illum-date {
  margin: 0 0 0.3rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-style: italic;
}
.illum-transcription {
  margin: 0.5rem 0;
  padding: 0.4rem 0 0.4rem 0.75rem;
  border-left: 3px solid var(--gold);
  background: rgba(147, 112, 44, 0.06);
}
.illum-transcription p {
  margin: 0 0 0.3rem;
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink);
}
.illum-transcription p:last-child { margin-bottom: 0; }
.illum-transcription p::before { content: "\201C"; color: var(--gold); font-style: normal; }
.illum-transcription p::after { content: "\201D"; color: var(--gold); font-style: normal; }
.ic-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.5rem; }
.ic-tag {
  display: inline-block;
  font-size: 0.72rem;
  background: var(--panel);
  border: 1px solid var(--sage);
  color: var(--sage);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius);
  max-width: 26rem;
  text-decoration: none;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.ic-tag:hover {
  border-color: var(--rubric);
  background: var(--parchment-deep);
  color: var(--sage);
}
.ic-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
}
.ic-gloss {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--ink-soft);
}
.ic-gloss:not(:empty)::before { content: " \2014 "; color: var(--sage); font-style: normal; }
.ic-sep { color: var(--gold); font-style: normal; margin: 0 0.15em; }

/* ---- lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 11, 0.92);
  z-index: 100;
  overflow: auto;
  padding: 2rem;
  box-sizing: border-box;
}
.lightbox[hidden] { display: none; }
.lightbox-scroll {
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
/* Once zoomed, the image can be larger than the viewport in any
   direction. Centering a flex item that overflows its container clips
   the "before center" side unreachably in most browsers, so switch to
   plain top/left alignment -- the outer .lightbox's overflow:auto can
   then always scroll to every part of the image. */
.lightbox.is-zoomed .lightbox-scroll {
  min-height: 0;
  align-items: flex-start;
  justify-content: flex-start;
}
.lightbox-img {
  max-width: min(92vw, 1100px);
  max-height: 78vh;
  cursor: zoom-in;
  border: 1px solid rgba(255,255,255,0.2);
  display: block;
}
.lightbox-img.zoomed {
  max-width: none;
  max-height: none;
  width: auto;
  height: auto;
  cursor: zoom-out;
}
.lightbox-caption {
  color: var(--panel);
  font-size: 0.9rem;
  max-width: 42rem;
  text-align: center;
  font-family: var(--font-body);
}
.lightbox-position {
  color: var(--parchment-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
  margin: 0;
}
.lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.75rem;
  background: none;
  border: none;
  color: var(--panel);
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
  z-index: 101;
}
.lightbox-close:hover { color: var(--rubric-dim); }
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(36, 31, 22, 0.55);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--panel);
  font-size: 1.6rem;
  line-height: 1;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-nav:hover { background: rgba(156, 43, 35, 0.75); border-color: var(--rubric-dim); }
.lightbox-nav[hidden] { display: none; }
.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }

/* ---- homepage ---- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.7rem 1.2rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: none;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--rubric); border-color: var(--rubric); color: var(--panel); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--panel); }
.btn-ghost:hover { background: var(--ink); color: var(--panel); }

.home-hero {
  max-width: 74rem;
  margin: 0 auto;
  padding: 3.5rem 2rem 2.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}
.home-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.3rem, 4.6vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
}
.home-intro { font-size: 1.15rem; color: var(--ink-soft); max-width: 34rem; margin: 0 0 1.6rem; }
.home-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 0; }

.mosaic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; padding-bottom: 1.6rem; }
.mosaic-tile {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--parchment-deep);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 rgba(36, 31, 22, 0.08);
}
.mosaic-tile:nth-child(3n + 2) { transform: translateY(1.6rem); }
.mosaic-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.mosaic-tile:hover img { transform: scale(1.04); }
.tile-cite {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.4rem 0.55rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--panel);
  background: linear-gradient(transparent, rgba(20, 17, 11, 0.8));
  opacity: 0;
  transition: opacity 0.2s ease;
}
.mosaic-tile:hover .tile-cite, .mosaic-tile:focus-visible .tile-cite { opacity: 1; }
@media (hover: none) { .tile-cite { opacity: 1; } }

.home-stats {
  max-width: 74rem;
  margin: 0.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--hairline);
}
.home-stat { padding: 1.1rem 2rem; display: flex; flex-direction: column; gap: 0.35rem; }
.stat-num { font-family: var(--font-display); font-weight: 600; font-size: 2.1rem; line-height: 1; color: var(--rubric); }
.stat-label { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }

.home-section { max-width: 74rem; margin: 3rem auto 0; padding: 0 2rem; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--hairline);
}
.section-head h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; margin: 0; }
.section-head a { font-family: var(--font-mono); font-size: 0.82rem; text-decoration: none; }

.strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 0.9rem;
}
.strip-tile {
  flex: 0 0 210px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.strip-tile:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(36, 31, 22, 0.18); border-color: var(--gold); }
.strip-img { display: block; height: 200px; background: var(--parchment-deep); overflow: hidden; }
.strip-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.strip-cap {
  padding: 0.6rem 0.75rem 0.25rem;
  font-size: 0.85rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.strip-cite { padding: 0 0.75rem 0.75rem; font-family: var(--font-mono); font-size: 0.68rem; color: var(--sage); }

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--rubric);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.feature-media {
  display: flex;
  justify-content: center;
  background: var(--parchment-deep);
  border: 1px solid var(--hairline);
  padding: 0.75rem;
}
.feature-img { max-width: 100%; max-height: 460px; width: auto; height: auto; display: block; }
.feature-caption { font-family: var(--font-display); font-weight: 500; font-size: 1.4rem; line-height: 1.3; margin: 0 0 0.9rem; }
.feature-meta { margin: 0 0 0.35rem; display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.feature-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--rubric);
  border: 1px solid var(--rubric-dim);
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius);
}
.feature-cite { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); }
.feature-ms { margin: 0 0 1.4rem; font-style: italic; color: var(--ink-soft); }
.feature-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 0; }

.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.entry-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem 1.3rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-top-color 0.15s ease;
}
.entry-card:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(36, 31, 22, 0.18); border-top-color: var(--rubric); }
.entry-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; margin: 0 0 0.4rem; }
.entry-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.entry-go { display: block; margin-top: 0.8rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--rubric); }

.subject-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.subject-tile {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.subject-tile:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(36, 31, 22, 0.18); border-color: var(--gold); }
.subject-img { display: block; height: 150px; overflow: hidden; background: linear-gradient(135deg, var(--parchment-deep), var(--panel)); }
.subject-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.subject-body { display: grid; grid-template-columns: auto 1fr; column-gap: 0.75rem; align-items: baseline; padding: 0.8rem 1rem 1rem; }
.subject-digit { font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; color: var(--rubric); }
.subject-label { font-family: var(--font-display); font-weight: 600; font-size: 1rem; line-height: 1.25; }
.subject-count { grid-column: 2; font-family: var(--font-mono); font-size: 0.72rem; color: var(--sage); }

@media (max-width: 900px) {
  .home-hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 2.25rem; }
  .home-stats { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; }
  .entry-grid { grid-template-columns: 1fr; }
  .subject-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .subject-grid { grid-template-columns: 1fr; }
  .home-stat { padding: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .mosaic-tile img, .strip-tile, .entry-card, .subject-tile { transition: none; }
  .mosaic-tile:hover img { transform: none; }
}

/* ---- title index ---- */
.az-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.85rem 2rem;
  background: var(--parchment);
  border-bottom: 1px solid var(--hairline);
  max-width: 62rem;
  margin: 0 auto;
}
.az-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.15rem 0.55rem;
}
.az-nav a:hover { border-color: var(--gold); color: var(--rubric); }
.title-index { max-width: 62rem; margin: 0 auto; padding: 0 2rem 3rem; }
.title-group { margin-bottom: 2rem; }
.title-group h2 {
  font-family: var(--font-display);
  color: var(--rubric);
  font-size: 1.6rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.2rem;
  margin: 0 0 0.75rem;
}
.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px dotted var(--hairline);
}
.title-row a.title-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  color: var(--ink);
}
.title-row a.title-link:hover { color: var(--rubric); }
.title-row .title-author { font-style: italic; color: var(--ink-soft); font-size: 0.88rem; }
.title-row .title-shelfmark {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
  margin-left: auto;
}

/* ---- iconclass index ---- */
.ic-hub-grid {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.ic-hub-tile {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.ic-hub-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(36,31,22,0.18);
  border-color: var(--gold);
}
.ic-hub-digit {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--rubric);
}
.ic-hub-label { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.ic-hub-count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--sage); }

.ic-index { max-width: 62rem; margin: 0 auto; padding: 0 2rem 3rem; }
.ic-index-row {
  display: grid;
  grid-template-columns: minmax(100px, auto) 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px dotted var(--hairline);
}
.ic-index-row .ic-index-code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--sage);
}
.ic-index-row .ic-index-code:hover { color: var(--rubric); border-color: var(--rubric); }
.ic-index-row .ic-index-gloss { font-size: 1.05rem; font-weight: 500; color: var(--ink-soft); }
.ic-index-row .ic-index-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--sage);
  white-space: nowrap;
}
.ic-index-occurrences summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
}
.ic-index-occurrences ul { margin: 0.4rem 0 0; padding-left: 1.1rem; font-size: 0.86rem; }
.ic-index-occurrences li { margin-bottom: 0.2rem; }
.ic-index-occurrences .more-note { color: var(--ink-soft); font-style: italic; }
.ic-index-row-inner { grid-column: 1 / -1; }
.ic-see-also {
  grid-column: 1 / -1;
  margin: 0.3rem 0 0;
  padding: 0.4rem 0 0 0.1rem;
  list-style: none;
  border-top: 1px dashed var(--hairline);
  font-size: 0.82rem;
}
.ic-see-also li::before { content: "See also \2192 \0020"; color: var(--gold); }
.ic-see-also a { color: var(--ultramarine); text-decoration: none; }
.ic-see-also a:hover { color: var(--rubric); }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .ms-layout { grid-template-columns: 1fr; }
  .ms-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 2px solid var(--ink);
  }
  .illum { grid-template-columns: 1fr; }
  .illum-thumb-btn img { width: 110px; height: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ms-card, .lightbox-img { transition: none; }
}