/* Svein : traduire les archives
   Palette : papier de registre, encre bleu-noir, rouge de sceau, kaki */
:root {
  --papier: #ECEEE8;
  --papier-fonce: #DFE2DA;
  --encre: #1E2933;
  --encre-douce: #4A5560;
  --sceau: #9A2E26;
  --kaki: #5E6B57;
  --filet: #C3C8BC;

  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --mincho: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", "MS PMincho", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --mesure: 36rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--papier);
  color: var(--encre);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
}

a { color: var(--encre); text-decoration-color: var(--sceau); text-underline-offset: 0.2em; }
a:hover { color: var(--sceau); }
:focus-visible { outline: 2px solid var(--sceau); outline-offset: 3px; }

.conteneur { max-width: 68rem; margin: 0 auto; padding: 0 1.25rem; }

/* En-tête */
.entete { border-bottom: 1px solid var(--filet); }
.entete .conteneur {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  align-items: baseline; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem;
}
.marque { font-size: 1.25rem; font-weight: 600; text-decoration: none; letter-spacing: 0.01em; }
.marque span { font-family: var(--mincho); color: var(--sceau); margin-left: 0.35em; font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; font-family: var(--sans); font-size: 0.95rem; }
.nav a { text-decoration: none; color: var(--encre-douce); }
.nav a:hover { color: var(--sceau); }

/* Ouverture : la double page */
.ouverture { padding: 3.5rem 0 4rem; }
.ouverture h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.1;
  font-weight: 500;
  margin: 0 0 1rem;
  max-width: 18ch;
}
.ouverture .chapeau { max-width: var(--mesure); color: var(--encre-douce); margin: 0 0 2.5rem; }

.double-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #F6F7F3;
  border: 1px solid var(--filet);
  box-shadow: 0 1px 0 var(--filet), 0 18px 40px -28px rgba(30, 41, 51, 0.45);
  position: relative;
}
.double-page::after { /* pli de la reliure */
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px;
  background: linear-gradient(var(--filet), var(--encre-douce) 50%, var(--filet));
  opacity: 0.5;
}
.page { padding: 2rem 2.25rem 1.5rem; display: flex; flex-direction: column; }
.page-fr { order: 1; }
.page-ja { order: 2; }
.page .legende {
  font-family: var(--sans); font-size: 0.8rem; color: var(--kaki);
  margin: 0 0 1.25rem;
}
.texte-ja {
  writing-mode: vertical-rl;
  font-family: var(--mincho);
  font-size: 1.35rem;
  line-height: 2;
  letter-spacing: 0.08em;
  height: 17rem;
  margin: 0 auto;
  color: var(--encre);
}
.texte-ja .date { color: var(--sceau); }
.texte-fr { font-size: 1.15rem; margin: 0; }
.texte-fr .date { color: var(--sceau); }
.note {
  margin-top: auto; padding-top: 1.25rem;
  font-size: 0.9rem; color: var(--encre-douce);
  border-top: 1px dotted var(--filet);
}
.note sup, .texte-fr sup { color: var(--sceau); font-family: var(--sans); }
.avertissement { font-family: var(--sans); font-size: 0.85rem; color: var(--encre-douce); margin: 0.9rem 0 0; }

/* Sections */
section { padding: 3.5rem 0; border-top: 1px solid var(--filet); }
h2 { font-size: 1.75rem; font-weight: 500; line-height: 1.2; margin: 0 0 1.25rem; }
h3 { font-size: 1.2rem; font-weight: 600; margin: 0 0 0.4rem; }
.prose { max-width: var(--mesure); }
.prose p { margin: 0 0 1em; }

.deux-colonnes { display: grid; grid-template-columns: 14rem 1fr; gap: 2rem; }
.deux-colonnes > h2 { margin: 0; }

/* Méthode : vraie séquence */
.etapes { list-style: none; margin: 0; padding: 0; counter-reset: etape; max-width: 44rem; }
.etapes li {
  counter-increment: etape;
  display: grid; grid-template-columns: 3rem 1fr; gap: 0 1rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--filet);
}
.etapes li:last-child { border-bottom: 0; }
.etapes li::before {
  content: counter(etape);
  font-size: 2rem; line-height: 1; color: var(--sceau);
  font-variant-numeric: oldstyle-nums;
  grid-row: span 2;
}
.etapes p { margin: 0; color: var(--encre-douce); }

/* Corpus */
.fiches { list-style: none; margin: 0; padding: 0; max-width: 44rem; }
.fiche { padding: 1.25rem 0; border-bottom: 1px solid var(--filet); }
.fiche:first-child { padding-top: 0; }
.fiche .meta { font-family: var(--sans); font-size: 0.85rem; color: var(--kaki); margin: 0 0 0.4rem; }
.fiche p { margin: 0; }
.statut {
  display: inline-block; font-family: var(--sans); font-size: 0.8rem;
  border: 1px solid var(--filet); border-radius: 2px; padding: 0.05rem 0.45rem; margin-left: 0.4rem;
  color: var(--encre-douce); background: var(--papier-fonce);
}

/* Pied de page */
.pied { border-top: 1px solid var(--filet); padding: 2rem 0 3rem; font-family: var(--sans); font-size: 0.9rem; color: var(--encre-douce); }
.pied .conteneur { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; }
.pied a { color: var(--encre-douce); }

/* Page simple (mentions légales) */
.page-simple { padding-top: 3rem; padding-bottom: 4rem; }
.page-simple h1 { font-size: 2.2rem; font-weight: 500; margin: 0 0 2rem; }
.page-simple h2 { font-size: 1.3rem; margin: 2rem 0 0.5rem; }
.a-completer { background: #F3E3D9; padding: 0 0.25em; }

/* Mobile */
@media (max-width: 760px) {
  body { font-size: 1.05rem; }
  .double-page { grid-template-columns: 1fr; }
  .double-page::after { display: none; }
  .page-ja { order: 1; border-bottom: 1px solid var(--filet); }
  .page-fr { order: 2; }
  .texte-ja { height: 14rem; font-size: 1.2rem; }
  .page { padding: 1.5rem 1.25rem; }
  .deux-colonnes { grid-template-columns: 1fr; gap: 1rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .texte-ja { animation: encre 1.6s ease-out 0.2s both; }
  @keyframes encre { from { opacity: 0; clip-path: inset(0 0 0 100%); } to { opacity: 1; clip-path: inset(0 0 0 0); } }
}

/* Convertisseur de dates */
.outil { padding-top: 3rem; padding-bottom: 3.5rem; }
.outil h1 { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 500; line-height: 1.1; margin: 0 0 1rem; max-width: 20ch; }
.outil .chapeau { max-width: var(--mesure); color: var(--encre-douce); margin: 0 0 2rem; }

.saisie label { display: block; font-family: var(--sans); font-size: 0.95rem; color: var(--encre-douce); margin-bottom: 0.5rem; }
.saisie input {
  width: 100%; max-width: 40rem;
  font: inherit; font-size: 1.6rem; line-height: 1.3;
  font-family: var(--serif), var(--mincho);
  padding: 0.7rem 0.9rem;
  color: var(--encre); background: #F6F7F3;
  border: 1px solid var(--encre-douce); border-radius: 2px;
}
.saisie input:focus-visible { outline: 2px solid var(--sceau); outline-offset: 2px; }

.exemples { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.9rem 0 0; padding: 0; list-style: none; font-family: var(--sans); font-size: 0.9rem; align-items: center; }
.exemples span { color: var(--encre-douce); margin-right: 0.25rem; }
.exemples button {
  font: inherit; font-family: var(--mincho), var(--sans);
  background: var(--papier-fonce); color: var(--encre);
  border: 1px solid var(--filet); border-radius: 2px;
  padding: 0.25rem 0.6rem; cursor: pointer;
}
.exemples button:hover { border-color: var(--sceau); color: var(--sceau); }

.resultat { margin-top: 2rem; max-width: 40rem; min-height: 6rem; }
.resultat .principal { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; margin: 0 0 0.35rem; }
.resultat .principal .ja { font-family: var(--mincho); }
.resultat .lecture { font-family: var(--sans); font-size: 0.9rem; color: var(--kaki); margin: 0 0 1.25rem; }
.resultat dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.25rem; margin: 0; padding: 1rem 0; border-top: 1px solid var(--filet); border-bottom: 1px solid var(--filet); }
.resultat dt { font-family: var(--sans); font-size: 0.9rem; color: var(--encre-douce); padding-top: 0.15rem; }
.resultat dd { margin: 0; }
.resultat dd .ja { font-family: var(--mincho); }
.resultat .remarque { margin: 1rem 0 0; padding-left: 0.9rem; border-left: 2px solid var(--sceau); color: var(--encre-douce); font-size: 1rem; }
.resultat .erreur { color: var(--sceau); margin: 0; }
.resultat .vide { color: var(--encre-douce); margin: 0; }

.eres { width: 100%; max-width: 44rem; border-collapse: collapse; font-size: 1rem; }
.eres th, .eres td { text-align: left; padding: 0.55rem 0.75rem 0.55rem 0; border-bottom: 1px solid var(--filet); vertical-align: baseline; }
.eres th { font-family: var(--sans); font-weight: 500; font-size: 0.85rem; color: var(--encre-douce); }
.eres td.ja { font-family: var(--mincho); font-size: 1.15rem; white-space: nowrap; }
.eres td.calcul { font-variant-numeric: tabular-nums; white-space: nowrap; }
.eres tr.guerre td { background: var(--papier-fonce); }

@media (max-width: 760px) {
  .saisie input { font-size: 1.3rem; }
  .eres td.calcul { white-space: normal; }
  .resultat dl { grid-template-columns: 1fr; gap: 0.1rem; }
  .resultat dd { margin-bottom: 0.6rem; }
}

/* Anciens styles en ligne (déplacés pour la politique de sécurité) */
section.ouverture { border-top: 0; }
figure.double-page { margin: 0; }