:root {
  --paper: #ece4d1;
  --paper-card: #fbf7ee;
  --ink: #26241f;
  --ink-soft: #6b6353;
  --rule: #cabf9f;
  --owned: #33604a;
  --owned-soft: #e2ebe1;
  --missing: #9c3b2a;
  --missing-soft: #f3e2da;
  --gold: #9c7a2e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2.5rem 1.25rem 4rem;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.015) 0px, rgba(0,0,0,0.015) 1px, transparent 1px, transparent 32px);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, "Liberation Serif", serif;
  font-size: 16px;
  line-height: 1.5;
}

.wrap { max-width: 880px; margin: 0 auto; }

/* -- En-tête / fiche de titre -- */
header.catalog-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  border-bottom: 3px double var(--rule);
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
}

.catalog-head .eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.35rem;
}

h1 {
  font-family: "Fraunces", "Source Serif 4", serif;
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: 2.5rem;
  letter-spacing: -0.01em;
  margin: 0;
}

/* Tampon-stat façon cachet de retour de bibliothèque */
.stamp {
  flex: 0 0 auto;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  color: var(--gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: rotate(-6deg);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-align: center;
  line-height: 1.1;
}
.stamp .pct { font-size: 1.7rem; font-weight: 700; }
.stamp .frac { font-size: 0.68rem; letter-spacing: 0.04em; margin-top: 0.15rem; }

/* -- Barre de progression -- */
.progress-row { margin-bottom: 1.75rem; }
.progress-track {
  height: 10px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--owned);
  border-radius: 999px 0 0 999px;
  transition: width 0.3s ease;
}
.progress-caption {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-top: 0.4rem;
}

/* -- Barre de filtres / recherche -- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.toolbar-right { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.print-btn {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-card);
  color: var(--ink-soft);
  cursor: pointer;
}
.print-btn:hover { color: var(--ink); border-color: var(--ink); }
.print-meta { display: none; }
.tabs { display: flex; gap: 0.4rem; }
.tabs a {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-card);
}
.tabs a.active {
  background: var(--ink);
  color: var(--paper-card);
  border-color: var(--ink);
}
.search-form { display: flex; gap: 0.4rem; }
.search-form input[type="text"] {
  font-family: "Source Serif 4", serif;
  font-size: 0.9rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-card);
  color: var(--ink);
  min-width: 200px;
}
.search-form button {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper-card);
  cursor: pointer;
}

/* -- Liste des livres, façon fiches de fichier -- */
ul.shelf { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }

.card {
  display: flex;
  gap: 1rem;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 6px solid var(--missing);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  align-items: center;
}
.card.owned { border-left-color: var(--owned); }

.card .cover {
  flex: 0 0 auto;
  width: 44px;
  height: 64px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  object-fit: cover;
  display: block;
}

.card .info { flex: 1 1 auto; min-width: 0; }
.card .title {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.08rem;
  margin: 0 0 0.15rem;
}
.lang-tag {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  padding: 0.08rem 0.4rem;
  border-radius: 999px;
  margin-left: 0.4rem;
  vertical-align: middle;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  background: var(--paper);
}
.lang-tag.lang-fr { color: var(--gold); border-color: var(--gold); }

.card .author {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0 0 0.3rem;
}
.card .meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.card .meta span + span::before { content: "  ·  "; }

.card .status {
  flex: 0 0 auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.status.owned { background: var(--owned-soft); color: var(--owned); }
.status.missing { background: var(--missing-soft); color: var(--missing); }

.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ink-soft);
  font-style: italic;
}

footer.note {
  margin-top: 2.5rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  padding-top: 0.9rem;
}
footer.note a { color: var(--ink-soft); }
footer.note a:hover { color: var(--ink); }

@media (max-width: 560px) {
  header.catalog-head { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 1.9rem; }
  .card { flex-wrap: wrap; }
}

/* -- Page admin -- */
.logout-link {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
}
.logout-link:hover { color: var(--ink); border-color: var(--ink); }

.login-form {
  max-width: 320px;
  margin: 3rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.5rem;
}
.login-form label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.login-form input {
  font-family: "Source Serif 4", serif;
  font-size: 1rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fff;
}
.login-form button {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  padding: 0.6rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper-card);
  cursor: pointer;
}
.login-error {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--missing);
  margin: 0;
}

.flash-saved {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--owned);
  background: var(--owned-soft);
  border: 1px solid var(--owned);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  margin-bottom: 1.25rem;
}

.card.admin-row { gap: 0.85rem; }
.admin-checkbox {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}
.admin-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--owned);
  cursor: pointer;
}

.save-bar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--paper);
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0;
  margin-top: 1rem;
}
.save-bar button {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  padding: 0.65rem 1.2rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper-card);
  cursor: pointer;
}
.save-bar button:hover { opacity: 0.85; }
.save-hint {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
}

/* -- Mode impression -- */
@media print {
  @page { margin: 1.5cm; }

  body {
    background: #fff;
    padding: 0;
    font-size: 11pt;
    color: #000;
  }

  /* Éléments interactifs ou inutiles sur papier */
  .toolbar, .print-btn, .stamp, .progress-row,
  footer.note, .lang-tag, .cover, .logout-link,
  .login-form, .save-bar, .admin-checkbox {
    display: none !important;
  }

  .print-meta {
    display: block;
    font-family: "IBM Plex Mono", monospace;
    font-size: 9pt;
    color: #444;
    margin: -0.5rem 0 1rem;
  }

  header.catalog-head {
    border-bottom: 2px solid #000;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
  }
  h1 { font-size: 1.6rem; color: #000; }

  /* Liste compacte, sur deux colonnes, pensée pour le noir et blanc */
  ul.shelf {
    columns: 2;
    column-gap: 1.5rem;
    display: block;
  }
  .card {
    display: block;
    break-inside: avoid;
    background: none;
    border: none;
    border-bottom: 1px dotted #999;
    border-left: none;
    border-radius: 0;
    padding: 0.35rem 0 0.35rem 1.4rem;
    margin-bottom: 0.1rem;
    position: relative;
  }
  .card .info { width: 100%; }
  .card .title { font-size: 0.92rem; color: #000; }
  .card .author { font-size: 0.8rem; color: #333; }
  .card .meta { font-size: 0.68rem; color: #333; }

  /* Repère noir & blanc : case cochée pour un livre possédé, case vide sinon */
  .card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 0.85rem;
    height: 0.85rem;
    border: 1.2px solid #000;
  }
  .card.owned::before {
    content: "✓";
    font-size: 0.65rem;
    line-height: 0.8rem;
    text-align: center;
    font-weight: bold;
  }

  .status { display: none; }
}