/* ===================================================================
   BIBLIO — Bibliothèque documentaire ouverte
   Feuille de style principale
   =================================================================== */

/* --- Variables thématiques (light = parchemin/terre par défaut) --- */
:root {
  /* Palette terre/parchemin */
  --bg: #f7f2e7;
  --bg-alt: #efe8d6;
  --bg-card: #fbf7ec;
  --bg-elev: #ede4cc;
  --text: #231f1c;
  --text-dim: #5a4f43;
  --text-faint: #7a6f60;
  --accent: #a44a2c;            /* terre cuite */
  --accent-soft: rgba(164, 74, 44, 0.10);
  --accent-strong: #8a3a20;
  --good: #5a7048;              /* vert mousse */
  --good-soft: rgba(90, 112, 72, 0.12);
  --gold: #a88930;              /* or vieilli */
  --gold-soft: rgba(168, 137, 48, 0.15);
  --bad: #9a3b2b;
  --border: #d9cfb6;
  --border-strong: #b8ab8b;
  --shadow-sm: 0 1px 2px rgba(35, 31, 28, 0.04), 0 2px 6px rgba(35, 31, 28, 0.04);
  --shadow-md: 0 2px 6px rgba(35, 31, 28, 0.06), 0 8px 24px rgba(35, 31, 28, 0.08);
  --shadow-lg: 0 4px 12px rgba(35, 31, 28, 0.08), 0 20px 50px rgba(35, 31, 28, 0.10);

  /* Typo */
  --font-serif: "EB Garamond", "Source Serif Pro", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  --radius: 6px;
  --radius-lg: 10px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Dark mode (terre brûlée / nuit) --- */
[data-theme="dark"] {
  --bg: #1d1814;
  --bg-alt: #251f1a;
  --bg-card: #2a2420;
  --bg-elev: #332b25;
  --text: #f0e9d8;
  --text-dim: #b9ad97;
  --text-faint: #8a7d6a;
  --accent: #d6764f;
  --accent-soft: rgba(214, 118, 79, 0.15);
  --accent-strong: #e88a64;
  --good: #8aa276;
  --good-soft: rgba(138, 162, 118, 0.15);
  --gold: #d4b056;
  --gold-soft: rgba(212, 176, 86, 0.18);
  --bad: #d57b6a;
  --border: #3d342c;
  --border-strong: #574a3e;
}

/* --- Reset + base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-strong); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* Animations sobres */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 200ms ease-out both; }

/* --- Layout container --- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header --- */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(6px);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.brand-sub {
  font-size: 12px;
  color: var(--text-faint);
  margin-left: 6px;
  letter-spacing: 0.02em;
  display: none;
}
@media (min-width: 900px) {
  .brand-sub { display: inline; }
}

.site-nav {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-left: auto;
}
.site-nav a {
  color: var(--text-dim);
  font-size: 15px;
  padding: 8px 4px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.site-nav a:hover { color: var(--accent); text-decoration: none; border-bottom-color: var(--accent); }
.site-nav a.active { color: var(--text); border-bottom-color: var(--accent); }

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 14px 9px 36px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  width: 220px;
  min-height: 40px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-box::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237a6f60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><line x1='21' y1='21' x2='16.65' y2='16.65'/></svg>") center/contain no-repeat;
  opacity: 0.9;
}
.search-box .kbd {
  position: absolute;
  right: 8px;
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-faint);
  background: var(--bg-card);
  pointer-events: none;
}

.theme-toggle, .menu-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.theme-toggle:hover, .menu-toggle:hover { background: var(--bg-elev); color: var(--accent); }
.theme-toggle svg, .menu-toggle svg { width: 18px; height: 18px; }
.menu-toggle { display: none; }

/* --- Main --- */
main { flex: 1; }

/* --- Breadcrumbs --- */
.breadcrumbs {
  font-size: 13px;
  color: var(--text-faint);
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.breadcrumbs li::after { content: "›"; margin-left: 6px; color: var(--text-faint); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--text-dim); }
.breadcrumbs li:last-child { color: var(--text); }

/* --- Hero (index) --- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(56px, 11vw, 128px);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin: 0;
  line-height: 0.95;
  color: var(--text);
}
.hero .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--text-dim);
  margin: 18px auto 8px;
  max-width: 640px;
}
.hero .by-line {
  font-size: 13px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-top: 24px;
}
.hero .by-line a { color: var(--accent); }

/* --- Section --- */
.section { padding: 60px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}
.section-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.section-lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--text-dim);
  max-width: 720px;
  margin: 0 0 36px;
}

/* --- À la une (bulles featured) --- */
.featured {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.featured-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.featured-card .ribbon {
  position: absolute;
  top: 14px;
  left: -4px;
  background: var(--gold);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 5px 14px;
  text-transform: uppercase;
  border-radius: 0 2px 2px 0;
  z-index: 2;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.featured-card .ribbon::before {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  border: 2px solid transparent;
  border-top-color: #6f5a1f;
  border-right-color: #6f5a1f;
}
.featured-cover {
  aspect-ratio: 4 / 5;
  background: var(--bg-elev);
  overflow: hidden;
}
.featured-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.featured-card:hover .featured-cover img { transform: scale(1.02); }
.featured-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.featured-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--text);
}
.featured-card a.featured-title-link { color: inherit; }
.featured-card a.featured-title-link:hover { color: var(--accent); text-decoration: none; }
.featured-teaser {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text-dim);
  margin: 0 0 16px;
  line-height: 1.55;
}
.featured-meta {
  font-size: 12.5px;
  color: var(--text-faint);
  margin-top: auto;
  letter-spacing: 0.02em;
}

/* --- Liste "récemment ajoutés" --- */
.recent-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.book-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition);
}
.book-card:hover { text-decoration: none; color: inherit; transform: translateY(-2px); }
.book-cover {
  aspect-ratio: 3 / 4;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.book-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.book-cover.placeholder {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  color: var(--text-faint);
  font-size: 28px;
}
.book-info { padding: 12px 2px 0; }
.book-title {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.3;
  margin: 0 0 4px;
  color: var(--text);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-meta {
  font-size: 12px;
  color: var(--text-faint);
}
.book-card .score-pill { margin-top: 6px; }

/* --- Score pill --- */
.score-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 99px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  border: 1px solid transparent;
}
.score-pill.s-high { background: var(--good-soft); color: var(--good); border-color: var(--good); }
.score-pill.s-mid  { background: var(--gold-soft); color: var(--gold); border-color: var(--gold); }
.score-pill.s-low  { background: var(--accent-soft); color: var(--text-faint); border-color: var(--border); }

/* --- Stats --- */
.stats {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  text-align: center;
}
.stat {
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* --- Méthodologie en bref / 3 colonnes texte --- */
.three-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px;
}
.three-col h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--text);
}
.three-col p {
  margin: 0;
  color: var(--text-dim);
}
.three-col .col-num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* --- Catalogue page : layout sidebar + main --- */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 36px;
  padding: 32px 0 80px;
}
.catalog-sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 8px;
}
.filter-group { margin-bottom: 26px; }
.filter-group h4 {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  margin: 0 0 10px;
  font-weight: 600;
}
.filter-group label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px;
  color: var(--text-dim);
  margin: 5px 0;
  cursor: pointer;
  min-height: 28px;
}
.filter-group input[type="checkbox"], .filter-group input[type="radio"] {
  accent-color: var(--accent);
}
.filter-group select, .filter-group input[type="text"] {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  min-height: 40px;
}
.filter-group .range-row {
  display: flex;
  gap: 10px;
  align-items: center;
}
.filter-group input[type="range"] { flex: 1; accent-color: var(--accent); }
.filter-group .range-val {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--text);
  min-width: 22px;
  text-align: center;
}
.filter-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: var(--radius);
  padding: 9px 14px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  min-height: 40px;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}
.btn:hover { background: var(--bg-elev); border-color: var(--accent); text-decoration: none; color: var(--text); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 13px; min-height: 36px; }

/* --- Catalogue main --- */
.catalog-main { min-width: 0; }
.catalog-toolbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.catalog-toolbar .count {
  color: var(--text-dim);
  font-size: 14px;
  margin-right: auto;
}
.catalog-toolbar select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  min-height: 40px;
}

.catalog-grid {
  display: grid;
  gap: 28px 24px;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.catalog-grid.empty {
  display: block;
  text-align: center;
  padding: 60px 0;
  color: var(--text-faint);
  font-style: italic;
}
.book-card.featured-mini { position: relative; }
.book-card.featured-mini .book-cover::after {
  content: "À la une";
  position: absolute;
  top: 8px; left: 8px;
  background: var(--gold);
  color: #fff;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 2px;
}

/* --- Fiche détaillée --- */
.fiche {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 28px 0 80px;
  max-width: 980px;
  margin: 0 auto;
}
.fiche-cover-wrap {
  position: sticky;
  top: 84px;
  align-self: start;
}
.fiche-cover {
  aspect-ratio: 3 / 4;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.fiche-cover img { width: 100%; height: 100%; object-fit: cover; }
.fiche-actions { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }

.fiche-body { min-width: 0; }
.fiche-bulle-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 99px;
  margin-bottom: 18px;
}
.fiche-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 14px;
  color: var(--text);
}
.fiche-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--text-dim);
  margin: 0 0 24px;
  line-height: 1.45;
}
.fiche-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px 24px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
  font-size: 14px;
}
.fiche-meta-grid dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.fiche-meta-grid dd {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}
.fiche-section { margin-bottom: 36px; }
.fiche-section h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--text);
}
.fiche-section h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  margin: 0 0 8px;
}
.prose {
  font-family: var(--font-serif);
  font-size: 17.5px;
  line-height: 1.75;
  color: var(--text);
}
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }

.citation-block {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 20px;
  margin: 0 0 18px;
  color: var(--text);
  line-height: 1.6;
}
.citation-block::before { content: "« "; color: var(--accent); }
.citation-block::after { content: " »"; color: var(--accent); }
.citation-block .quote-meta {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-faint);
}

.keywords {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-top: 12px;
}
.kw {
  font-size: 12px;
  padding: 3px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-dim);
}

/* --- Méthodologie / À propos --- */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 0 80px;
}
.page h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 600;
  margin: 16px 0 14px;
  line-height: 1.15;
}
.page .lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 21px;
  color: var(--text-dim);
  margin: 0 0 36px;
  line-height: 1.5;
}
.page h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  margin: 48px 0 14px;
  font-weight: 600;
}
.page h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  margin: 28px 0 10px;
  font-weight: 600;
}
.page p, .page li {
  font-family: var(--font-serif);
  font-size: 17.5px;
  line-height: 1.75;
  color: var(--text);
}
.page ul, .page ol { padding-left: 1.4em; }
.page .callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
}
.page .callout p { margin: 0; font-style: italic; color: var(--text-dim); }

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 36px 0 30px;
  margin-top: 60px;
  font-size: 14px;
  color: var(--text-dim);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
}
.site-footer h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--text);
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--accent); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 4px 0; }
.site-footer .colophon {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 16px;
  font-size: 12.5px;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms, transform 200ms;
  z-index: 200;
  box-shadow: var(--shadow-md);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
  }
  .fiche { grid-template-columns: 1fr; }
  .fiche-cover-wrap {
    position: static;
    max-width: 220px;
    margin: 0 auto;
  }
  .site-footer .container { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .container { padding: 0 18px; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 12px 18px;
    margin: 0;
    box-shadow: var(--shadow-md);
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--border);
  }
  .site-nav a:last-child { border-bottom: none; }
  .menu-toggle { display: inline-flex; order: 3; }
  .search-box input { width: 100%; }
  .search-box { flex: 1; }
  .search-box .kbd { display: none; }
  .header-tools { flex: 1; }
  .hero { padding: 50px 0 40px; }
  .section { padding: 40px 0; }
  .section-title { font-size: 26px; }
  body { font-size: 16px; }
}

/* --- Helpers --- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.no-bullets { list-style: none; padding: 0; margin: 0; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }