/* ═══════════════════════════════════════════════════════
   BIBLIOTHECA @catoldies — scriptorium stylesheet
   ═══════════════════════════════════════════════════════ */

:root {
  --vellum:       #efe4ce;
  --vellum-dark:  #e3d3b0;
  --vellum-edge:  #d4c39e;
  --sepia-deep:   #2a1d0f;
  --sepia-mid:    #6e5738;
  --sepia-soft:   #8a7250;
  --rubric:       #8c1f1b;
  --rubric-soft:  #a63b32;
  --gold-leaf:    #a8842b;
  --gold-hair:    rgba(168,132,43,.4);
  --ink-line:     rgba(42,29,15,.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.28), transparent 55%),
    radial-gradient(circle at bottom right, rgba(140,31,27,.03), transparent 60%),
    repeating-linear-gradient(93deg, transparent 0 40px, rgba(110,87,56,.015) 40px 41px),
    var(--vellum);
  color: var(--sepia-deep);
  font-family: 'EB Garamond', 'Iowan Old Style', Georgia, serif;
  font-size: 18.5px;
  line-height: 1.6;
  font-variant-numeric: oldstyle-nums proportional-nums;
  font-feature-settings: "kern", "liga", "onum";
}

a {
  color: var(--rubric);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
  transition: border-color .15s ease, color .15s ease;
}
a:hover { border-bottom-color: var(--rubric-soft); }
a.active { color: var(--rubric); font-weight: 500; }

::selection { background: var(--rubric); color: var(--vellum); }

code, pre {
  font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  background: rgba(168,132,43,.08); padding: 0 .2em;
}
pre { padding: 1em; overflow: auto; white-space: pre-wrap; word-wrap: break-word; }

/* ─── Masthead ──────────────────────────────────────── */

.site-header {
  text-align: center;
  padding: 2.5em 1em 1.4em;
  max-width: 960px;
  margin: 0 auto;
}

.masthead {
  padding: 1.6em 1em 1.3em;
  border-top: 4px double var(--gold-leaf);
  border-bottom: 4px double var(--gold-leaf);
  position: relative;
}
.masthead::before, .masthead::after {
  content: "";
  position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 60px; height: 1px;
  background: var(--gold-leaf);
}
.masthead::before { top: 8px; }
.masthead::after  { bottom: 8px; }

.flourish { color: var(--gold-leaf); letter-spacing: .8em; padding-left: .8em; }
.flourish-top { font-size: 1em; margin-bottom: .7em; }
.flourish-bot { font-size: .85em; margin-top: .7em; }

.site-title {
  margin: 0;
  font-family: 'Cormorant Garamond', 'EB Garamond', serif;
  font-size: 3.1em; font-weight: 500;
  letter-spacing: .06em; line-height: 1;
  color: var(--sepia-deep);
}
.site-title a { color: inherit; border-bottom: none; }
.site-title em {
  color: var(--rubric); font-style: italic; font-weight: 500;
  font-family: 'Cormorant Garamond', serif;
}

.epigraph {
  font-style: italic;
  color: var(--sepia-soft);
  margin: .55em 0 0;
  font-size: .95em;
  letter-spacing: .04em;
  font-family: 'Cormorant Garamond', serif;
}

.site-nav {
  margin: 1.9em 0 0;
  display: flex; gap: 0;
  justify-content: center; flex-wrap: wrap;
}
.site-nav a {
  font-variant: small-caps;
  letter-spacing: .12em;
  font-size: .95em;
  border-bottom: none;
  color: var(--sepia-deep);
  padding: 0 1.15em;
  position: relative;
}
.site-nav a + a::before {
  content: "†";
  color: var(--rubric); opacity: .5;
  position: absolute; left: -.35em; top: -1px;
  font-size: .65em;
}
.site-nav a:hover, .site-nav a.active { color: var(--rubric); }

/* ─── Main container ────────────────────────────────── */

.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5em 1.4em 3em;
}

/* ─── Hero (home) ───────────────────────────────────── */

.hero { text-align: center; padding: 1.5em 0 1em; }

.hero-meta {
  font-variant: small-caps;
  letter-spacing: .18em;
  color: var(--sepia-soft);
  font-size: .82em;
  margin: 0 0 .6em;
}
.hero-meta .rubric-dot { color: var(--rubric); margin: 0 .5em; }

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2em;
  margin: 0 auto 2.2em;
  max-width: 620px;
  color: var(--sepia-mid);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  letter-spacing: 0;
  text-wrap: balance;
}

/* ─── Search input (pluma sobre pergamino) ─────────── */

.search-form {
  display: flex; gap: 0;
  max-width: 640px; margin: 0 auto 1em;
  border: 1px solid var(--gold-hair);
  border-top-color: var(--gold-leaf);
  background: rgba(255,252,242,.5);
}
.search-form input[type=search] {
  flex: 1; padding: .75em 1em;
  font-family: inherit; font-size: 1.05em; font-style: italic;
  border: none; background: transparent; color: var(--sepia-deep);
  outline: none;
}
.search-form input[type=search]::placeholder {
  color: var(--sepia-soft); font-style: italic;
}
.search-form button {
  padding: .5em 1.6em;
  background: var(--rubric); color: var(--vellum);
  border: none; font-family: 'Cormorant Garamond', serif; font-size: 1em;
  letter-spacing: .14em; text-transform: uppercase; cursor: pointer;
}
.search-form button:hover { background: var(--sepia-deep); }

/* ─── Scriptorium layout (home dos columnas) ───────── */

.scriptorium {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.5em;
  margin: 2.5em 0 1em;
  padding-top: 2em;
  border-top: 1px solid var(--ink-line);
  position: relative;
}
.scriptorium::before {
  content: "";
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  width: 40px; height: 3px;
  background: var(--vellum);
  border-left: 1px solid var(--ink-line);
  border-right: 1px solid var(--ink-line);
}

.scriptorium-col > h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05em;
  font-variant: small-caps;
  letter-spacing: .2em;
  color: var(--rubric);
  margin: 0 0 1em;
  padding-bottom: .5em;
  border-bottom: 1px solid var(--rubric);
  border-bottom-style: dotted;
}

.folio-list { list-style: none; padding: 0; margin: 0; }
.folio-list li {
  display: grid;
  grid-template-columns: 2.4em 1fr auto;
  align-items: baseline;
  padding: .5em 0;
  border-bottom: 1px dotted var(--ink-line);
}
.folio-list li:last-child { border-bottom: none; }
.folio-list .folio-num {
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  color: var(--gold-leaf);
  font-size: .95em;
  letter-spacing: .06em;
}
.folio-list a {
  color: var(--sepia-deep);
  border-bottom: none;
  font-size: 1.02em;
}
.folio-list a:hover { color: var(--rubric); }
.folio-list .folio-count {
  font-variant-numeric: oldstyle-nums;
  color: var(--sepia-soft);
  font-size: .85em;
  font-family: 'Cormorant Garamond', serif;
}

.folio-see-all {
  display: inline-block;
  margin-top: 1em;
  font-variant: small-caps;
  letter-spacing: .12em;
  font-size: .85em;
  color: var(--sepia-mid);
  border-bottom: 1px solid var(--gold-hair);
}
.folio-see-all:hover { color: var(--rubric); border-bottom-color: var(--rubric); }

/* ─── Section titles (usadas fuera del scriptorium) ─── */

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.55em;
  font-variant: small-caps;
  letter-spacing: .1em;
  color: var(--sepia-deep);
  margin: 0 0 1em;
  text-align: center;
  position: relative;
  padding-bottom: .5em;
}
.section-title::after {
  content: "†";
  display: block;
  color: var(--rubric);
  font-size: .55em;
  margin: .4em auto 0;
  letter-spacing: 0;
}

/* ─── Cédulas bibliográficas (book entries) ────────── */

.book-list {
  list-style: none;
  padding: 0;
  margin: 1em 0;
  counter-reset: cedula;
}

.book-card {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 1em;
  margin: 0;
  padding: .95em 0 .95em .4em;
  border-bottom: 1px solid var(--ink-line);
  counter-increment: cedula;
  position: relative;
}
.book-card::before {
  content: counter(cedula, upper-roman);
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  color: var(--gold-leaf);
  font-size: .8em;
  letter-spacing: .06em;
  padding-top: .35em;
  text-align: right;
}
.book-card:hover { background: rgba(255,252,242,.4); }
.book-card:last-child { border-bottom: none; }

.book-body { min-width: 0; }
.book-title {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.18em;
  color: var(--sepia-deep);
  border-bottom: none;
  line-height: 1.25;
  font-weight: 500;
}
.book-title:hover { color: var(--rubric); }

.book-meta {
  margin: .25em 0 0;
  font-size: .9em;
  color: var(--sepia-mid);
}
.book-authors { font-style: italic; }
.book-authors a, .author-chip {
  color: var(--sepia-mid);
  border-bottom: none;
}
.book-authors a:hover { color: var(--rubric); }
.book-meta-sep {
  color: var(--gold-leaf); margin: 0 .4em;
}

.book-cats {
  margin-top: .35em;
}
.cat-chip {
  font-size: .8em;
  padding: 0;
  margin: 0 .8em 0 0;
  border: none; border-radius: 0;
  color: var(--rubric);
  font-variant: small-caps;
  letter-spacing: .06em;
  background: transparent;
  border-bottom: 1px solid transparent;
}
.cat-chip:hover { border-bottom-color: var(--rubric); }

.tg-link {
  display: inline-block;
  margin-top: .5em;
  font-size: .82em;
  color: var(--sepia-mid);
  font-variant: small-caps;
  letter-spacing: .14em;
  border-bottom: 1px solid var(--gold-hair);
}
.tg-link:hover { color: var(--rubric); border-bottom-color: var(--rubric); }

/* ─── Categorías grid & autores grid ────────────────── */

.cat-grid, .author-list {
  list-style: none; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0;
  counter-reset: catnum;
  border-top: 1px solid var(--ink-line);
}
.cat-grid li, .author-list li {
  margin: 0;
  border-bottom: 1px solid var(--ink-line);
  border-right: 1px dotted var(--ink-line);
  counter-increment: catnum;
}
.cat-grid li:nth-child(3n), .author-list li:nth-child(3n) { border-right: none; }

.cat-grid a, .author-list a {
  display: grid;
  grid-template-columns: 2.6em 1fr auto;
  align-items: baseline;
  padding: .75em .9em;
  color: var(--sepia-deep);
  border-bottom: none;
}
.cat-grid a::before, .author-list a::before {
  content: counter(catnum, upper-roman) ".";
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  color: var(--gold-leaf);
  font-size: .85em;
  letter-spacing: .06em;
}
.cat-grid a:hover, .author-list a:hover {
  background: rgba(255,252,242,.5);
  color: var(--rubric);
}
.cat-name, .author-name { font-variant: small-caps; letter-spacing: .05em; }
.cat-count, .author-count {
  color: var(--sepia-soft);
  font-size: .85em;
  font-variant-numeric: oldstyle-nums;
  font-family: 'Cormorant Garamond', serif;
}
.cat-grid a:hover .cat-count { color: var(--rubric); }

.alphabet {
  text-align: center;
  margin: 1.4em 0 2em;
  padding: .6em 0;
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
  font-variant: small-caps;
  letter-spacing: .1em;
}
.alphabet a {
  display: inline-block; padding: .15em .55em;
  color: var(--sepia-mid); border-bottom: none;
}
.alphabet a:hover { color: var(--rubric); }
.alphabet a.active { color: var(--rubric); font-weight: 500; }

/* ─── Results meta + pagination ─────────────────────── */

.results-meta {
  text-align: center;
  font-style: italic;
  color: var(--sepia-mid);
  margin: 1em 0 1.6em;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1em;
}
.results-meta a { color: var(--sepia-mid); }
.results-meta a.active { color: var(--rubric); font-weight: 500; }

.empty {
  text-align: center;
  color: var(--sepia-soft);
  font-style: italic;
  padding: 3em 1em;
  font-family: 'Cormorant Garamond', serif;
}

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 2.5em 0 1em;
  padding-top: 1em;
  border-top: 1px solid var(--ink-line);
  font-variant: small-caps;
  letter-spacing: .1em;
  font-size: .9em;
}
.pagination a { color: var(--sepia-deep); }
.pagination a:hover { color: var(--rubric); }
.pag-info {
  color: var(--sepia-mid);
  font-variant-numeric: oldstyle-nums;
  font-family: 'Cormorant Garamond', serif;
}

/* ─── Ficha bibliográfica (book detail) ─────────────── */

.book-detail {
  max-width: 720px; margin: 1em auto 0;
  padding: 2.5em 3em;
  border-top: 4px double var(--gold-leaf);
  border-bottom: 4px double var(--gold-leaf);
  background:
    linear-gradient(to bottom, rgba(255,252,242,.4), transparent 30px, transparent);
  position: relative;
}
.book-detail::before {
  content: "☩";
  position: absolute;
  top: -.9em; left: 50%; transform: translateX(-50%);
  color: var(--rubric); background: var(--vellum);
  padding: 0 .4em; font-size: 1.3em;
}

.book-title-big {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.15em;
  margin: 0 0 .5em;
  font-weight: 500;
  color: var(--sepia-deep);
  line-height: 1.2;
  text-align: center;
  text-wrap: balance;
}
.book-title-big::first-letter {
  color: var(--rubric);
}

.book-byline {
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.2em;
  color: var(--sepia-mid);
  margin: 0 0 1em;
}
.book-byline a { color: inherit; border-bottom: 1px dotted var(--gold-hair); }
.book-byline a:hover { color: var(--rubric); border-bottom-color: var(--rubric); }

.book-materia {
  text-align: center;
  margin: 0 0 2em;
}
.book-materia .cat-chip {
  margin: 0 .5em;
  font-size: .95em;
}

.book-footer-meta {
  text-align: center;
  margin: 2.5em 0 0;
  padding-top: 1.2em;
  border-top: 1px dotted var(--gold-hair);
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  letter-spacing: .12em;
  color: var(--sepia-soft);
  font-size: .78em;
  line-height: 1.8;
}
.book-footer-meta .sig-num {
  color: var(--gold-leaf);
  font-variant-numeric: oldstyle-nums;
}
.book-footer-meta code {
  display: inline-block;
  font-family: 'Iowan Old Style', Georgia, serif;
  font-size: .95em;
  color: var(--sepia-mid);
  background: transparent; padding: 0;
  letter-spacing: 0;
  font-variant: normal;
  word-break: break-all;
  max-width: 44ch;
}

.detail-actions {
  text-align: center;
  margin: 2em 0 .5em;
}
.btn-primary {
  display: inline-block;
  padding: .8em 2.4em;
  background: var(--rubric); color: var(--vellum);
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  letter-spacing: .18em;
  font-size: 1.05em; font-weight: 500;
  border: none; border-bottom: none;
}
.btn-primary:hover { background: var(--sepia-deep); color: var(--vellum); }

.catalog-cta { text-align: center; margin: 3em 0 1em; }
.catalog-cta .btn-primary { font-size: 1em; }

.excerpt {
  text-align: left;
  margin: 2em 0 0;
  padding: 1.2em;
  background: rgba(255,252,242,.5);
  border-left: 3px solid var(--rubric);
}
.excerpt h3 {
  font-family: 'Cormorant Garamond', serif;
  font-variant: small-caps;
  letter-spacing: .12em;
  color: var(--rubric);
  margin: 0 0 .6em;
  font-size: 1em;
}

/* ─── Footer ────────────────────────────────────────── */

.site-footer {
  text-align: center;
  padding: 2em 1em 2.5em;
  max-width: 900px; margin: 0 auto;
  color: var(--sepia-soft);
  font-size: .88em;
  font-style: italic;
  font-family: 'Cormorant Garamond', serif;
}
.site-footer a { color: var(--rubric); }
.site-footer .footer-rule {
  height: 1px; background: var(--gold-hair);
  max-width: 200px; margin: 0 auto 1em;
}
.site-footer .colophon {
  margin-top: 1em;
  font-variant: small-caps; letter-spacing: .15em;
  color: var(--sepia-soft); font-size: .8em; font-style: normal;
}

/* ─── Telegram Mini App ─────────────────────────────── */

html.tma { font-size: 17px; }
html.tma .site-header { padding-top: 1em; }
html.tma .site-nav { display: none; }
html.tma .masthead { padding: 1em .5em .8em; }

/* ─── Focus (accessibility, silent) ─────────────────── */

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--rubric);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ─── Mobile ────────────────────────────────────────── */

@media (max-width: 720px) {
  html, body { font-size: 17px; }
  .site-header { padding: 1.6em .6em 1em; }
  .masthead { padding: 1.1em .5em .9em; }
  .site-title { font-size: 2.1em; letter-spacing: .04em; }
  .epigraph { font-size: .85em; }
  .site-nav { margin-top: 1.3em; gap: 0; }
  .site-nav a { padding: 0 .75em; font-size: .88em; }
  .site-nav a + a::before { font-size: .55em; }
  .hero-title { font-size: 1em; }
  .search-form { flex-direction: column; }
  .search-form button { padding: .8em; letter-spacing: .12em; }
  .scriptorium { grid-template-columns: 1fr; gap: 2em; padding-top: 1.5em; }
  .book-card { grid-template-columns: 1.9em 1fr; padding: .8em 0; }
  .book-title { font-size: 1.08em; }
  .cat-grid, .author-list { grid-template-columns: 1fr; }
  .cat-grid li, .author-list li { border-right: none !important; }
  .book-detail { padding: 2em 1.4em; }
  .book-title-big { font-size: 1.6em; }
  .book-byline { font-size: 1.05em; }
  .book-materia { margin-bottom: 1.5em; }
  .pagination { flex-direction: column; gap: .6em; text-align: center; }
}