:root {
  --bg: #f3f1f8;
  --panel: #ffffff;
  --text: #2b2160;
  --muted: #6b6690;
  --border: #ddd8ee;
  --brand: #6c4fd8;
  --brand-soft: #ece6ff;
  font-family: 'Fredoka', 'Comic Sans MS', system-ui, sans-serif;
  /* Format de page (A4 par défaut, voir « Format de papier »). */
  --paper-w: 210mm;
  --paper-h: 297mm;
  --paper-ratio: 210 / 297;
}

/* ---------- Format de papier ----------
 * <html> porte data-paper (a4, letter), posé par paper.js.
 */

:root[data-paper="letter"] {
  --paper-w: 215.9mm;
  --paper-h: 279.4mm;
  --paper-ratio: 215.9 / 279.4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* ---------- En-tête commun ---------- */

.site-header {
  position: relative;
  z-index: 10;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 8px 16px;
}
.brand {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
}
.nav-wrap { margin-right: auto; }
.main-nav ul { list-style: none; margin: 0; padding: 0; }
.nav-list { display: flex; flex-wrap: wrap; gap: 4px; }
.nav-item { position: relative; }

.nav-toggle, .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
}
/* Petite flèche, tournée quand le menu est ouvert. */
.nav-toggle::after, .language-toggle::after {
  content: '';
  width: 6px;
  height: 6px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .15s;
}
.nav-toggle[aria-expanded="true"]::after, .language-toggle[aria-expanded="true"]::after { transform: translateY(1px) rotate(-135deg); }
.nav-toggle[aria-expanded="true"], .nav-item.current > .nav-toggle, .nav-item.current > .nav-link {
  background: var(--brand-soft);
  color: var(--brand);
}
/* Survol réservé aux appareils avec souris : au toucher, :hover reste collé au bouton après le tap. */
@media (hover: hover) {
  .nav-toggle:hover, .nav-link:hover { background: var(--brand-soft); color: var(--brand); }
}
.nav-toggle:focus-visible, .nav-link:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

.nav-sub {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(43, 33, 96, .15);
}
.nav-sub a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}
.nav-sub a:hover, .nav-sub a:focus-visible { background: var(--brand-soft); outline: none; }
.nav-sub a[aria-current="page"] { color: var(--brand); font-weight: 600; }

/* Bouton burger : trois barres qui forment une croix quand le menu est ouvert. */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--text);
}
.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .15s, opacity .15s;
}
.menu-toggle[aria-expanded="true"] { background: var(--brand-soft); color: var(--brand); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.menu-toggle:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

/* Grand écran : menu toujours visible, même si le menu burger est « fermé ». */
@media (min-width: 641px) {
  .main-nav[hidden] { display: block !important; }
}

/* Mobile : burger à gauche, menu déroulé sous l'en-tête, sous-menus dépliés dans le flux. */
@media (max-width: 640px) {
  .nav-wrap { order: -1; margin-right: 0; }
  .brand { margin-right: auto; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 8px 16px 12px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(43, 33, 96, .15);
  }
  .nav-list { flex-direction: column; }
  .nav-toggle, .nav-link { display: flex; width: 100%; justify-content: space-between; padding: 10px 12px; }
  .nav-sub {
    position: static;
    min-width: 0;
    padding: 2px 0 6px 12px;
    border: 0;
    box-shadow: none;
  }
}

/* ---------- Barre d'options ---------- */

[hidden] { display: none !important; }

.toolbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px;
}

.toolbar h1 {
  margin: 0 0 12px;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--brand);
}

#options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: flex-end;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  font-size: .85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
  padding: 0;
}

.choices { display: flex; flex-wrap: wrap; gap: 6px; }

.choices label { cursor: pointer; }
.choices input { position: absolute; opacity: 0; pointer-events: none; }
.choices input + span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  transition: border-color .15s, background .15s;
}
.choices input:checked + span { border-color: var(--brand); background: var(--brand-soft); }
.choices input:focus-visible + span { outline: 3px solid var(--brand); outline-offset: 2px; }

.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.field { display: inline-flex; align-items: center; gap: 6px; }
.field select, .field input, .settings-row select {
  font: inherit;
  padding: 5px 8px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
}
.field input { width: 4.5em; }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

/*
 * Réglages du jeu sur la première ligne, puis mise en page et boutons chacun sur sa ligne :
 * un réglage qui apparaît (palette) ne déplace pas la mise en page sur le côté.
 */
.layout-field { flex-basis: 100%; }
.actions { display: flex; flex-basis: 100%; justify-content: center; gap: 8px; }
button {
  font: inherit;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  border: 2px solid var(--brand);
  background: var(--panel);
  color: var(--brand);
  cursor: pointer;
}
button.primary { background: var(--brand); color: #fff; }
button:hover { filter: brightness(1.05); }

/* ---------- Sélecteur de langue ---------- */

.language-switcher { position: relative; }
.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 6px;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
}
.language-toggle[aria-expanded="true"] { border-color: var(--brand); color: var(--brand); }
@media (hover: hover) {
  .language-toggle:hover { border-color: var(--brand); color: var(--brand); }
}
.language-toggle:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

.language-list {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(43, 33, 96, .15);
}
.language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--text);
  font-weight: 400;
  text-align: left;
  text-decoration: none;
  white-space: nowrap;
}
.language-option:hover, .language-option:focus-visible { background: var(--brand-soft); outline: none; }

.language-switcher svg {
  display: block;
  flex: none;
  width: 30px;
  height: 20px;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .15);
}

/* ---------- Réglages (roue crantée) ---------- */

.settings { position: relative; }
.settings-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
}
.settings-toggle svg { width: 22px; height: 22px; transition: transform .2s; }
.settings-toggle[aria-expanded="true"] { border-color: var(--brand); color: var(--brand); }
@media (hover: hover) {
  .settings-toggle:hover { border-color: var(--brand); color: var(--brand); }
}
.settings-toggle[aria-expanded="true"] svg { transform: rotate(45deg); }
.settings-toggle:focus-visible, .help-toggle:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

.settings-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  /* Largeur fixe : l'aide qui apparaît ne déplace pas le bouton ❔ (sinon le survol clignote). */
  width: min(280px, calc(100vw - 32px));
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(43, 33, 96, .15);
}
.settings-row { display: flex; align-items: center; gap: 8px; }
.settings-row label { font-weight: 600; }
.help-toggle {
  flex: none;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 2px solid var(--brand);
  border-radius: 999px;
  background: var(--panel);
  color: var(--brand);
  font: inherit;
  font-weight: 600;
  line-height: 1;
}
.help-toggle[aria-expanded="true"] { background: var(--brand); color: #fff; }
.settings-help {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.35;
}
/* Le survol affiche aussi l'aide (le clic reste nécessaire au toucher et au clavier). */
@media (hover: hover) {
  .settings-row:has(.help-toggle:hover) + .settings-help[hidden] { display: block !important; }
}

/* ---------- Pages imprimables ---------- */

#sheets {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 24px 16px 48px;
}

.page {
  width: min(var(--paper-w), 100%);
  aspect-ratio: var(--paper-ratio);
  background: #fff;
  box-shadow: 0 4px 20px rgba(43, 33, 96, .12);
  padding: 4.5%;
  display: flex;
  flex-direction: column;
  gap: 2.5%;
  overflow: hidden;
  --line: #3b3363;
  --ink: #2b2160;
  --accent: #e8505b;
  color: var(--ink);
  container-type: inline-size;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.page-title {
  margin: 0;
  text-align: center;
  font-size: 4cqw;
  font-weight: 600;
  color: var(--line);
}

/* Économie d'encre : textes plus fins. */
.eco .page-title { font-weight: 400; }
.eco .rule { font-weight: 300; }

.rule {
  margin: 0;
  text-align: center;
  font-size: 2.6cqw;
  color: var(--line);
}

/* ---------- Impression ---------- */

/* Taille par défaut, remplacée par i18n.js selon la région. */
@page { size: A4; margin: 0; }

@media print {
  body { background: #fff; }
  .no-print { display: none !important; }
  #sheets { display: block; padding: 0; }
  .page {
    width: var(--paper-w);
    /* 1 mm de marge pour éviter une page blanche en trop. */
    height: calc(var(--paper-h) - 1mm);
    aspect-ratio: auto;
    box-shadow: none;
    padding: 12mm;
    break-after: page;
  }
  .page:last-child { break-after: auto; }
}

@media (max-width: 640px) {
  .actions button { flex: 1; }
}