/* Letopweb.org — design « cahier d'écolier » de Madame Luma */
:root {
  --ciel: #E8F0FB;
  --papier: #FFFFFF;
  --seyes-fin: #CFDBF3;
  --seyes-fort: #9FB3E2;
  --marge-rouge: #E8697A;
  --couverture: #FFC83D;
  --couverture-fonce: #E0A615;
  --couverture-pale: #FFF4D6;
  --encre: #1B2A4A;
  --stylo: #2346B5;
  --vert: #1C7F50;
  --gris: #4F5D7C;
  --surface: #F4F7FD;
  --sur-couverture: #1B2A4A;
  --cp: #FFC83D; --ce1: #7ED3AE; --ce2: #9FB3E2; --cm1: #F4A3A9; --cm2: #C8A8EA;
  --marge: 56px;
  --ligne: 32px;
  --manuscrite: "Playwrite FR Moderne", "Segoe Script", "Bradley Hand", cursive;
  --lisible: "Andika", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ciel: #0F1626; --papier: #172238; --seyes-fin: #22304D; --seyes-fort: #34476F; --marge-rouge: #B4505F;
    --couverture: #F2B935; --couverture-fonce: #C99419; --couverture-pale: #2A2A22; --encre: #EEF2FA; --stylo: #94B2FF;
    --vert: #67D6A0; --gris: #A9B6CF; --surface: #1C2944; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ciel: #0F1626; --papier: #172238; --seyes-fin: #22304D; --seyes-fort: #34476F; --marge-rouge: #B4505F;
  --couverture: #F2B935; --couverture-fonce: #C99419; --couverture-pale: #2A2A22; --encre: #EEF2FA; --stylo: #94B2FF;
  --vert: #67D6A0; --gris: #A9B6CF; --surface: #1C2944; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 12px; }
body {
  margin: 0;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--ciel);
  color: var(--encre);
  font-family: var(--lisible);
  font-size: 18px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--stylo); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--stylo); outline-offset: 3px; border-radius: 6px; }
.enveloppe { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.evitement { position: absolute; left: -999px; top: 8px; background: var(--papier); padding: 8px 14px; border-radius: 8px; z-index: 50; }
.evitement:focus { left: 8px; }
.bandeau-test { background: #FDE2E4; color: #7A1F2B; text-align: center; font-size: 14px; padding: 6px 12px; }

/* En-tête */
.entete { padding: 18px 0 8px; }
.entete .enveloppe { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.logo { font-family: var(--manuscrite); font-size: 26px; color: var(--encre); text-decoration: none; line-height: 1.4; white-space: nowrap; }
.logo small { font-family: var(--lisible); font-size: 15px; font-weight: 700; color: var(--gris); }
.menu { flex: 1; min-width: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.menu ul { list-style: none; margin: 0; padding: 4px 0; display: flex; gap: 4px; justify-content: flex-end; }
.menu a { display: block; padding: 6px 14px; border-radius: 999px; color: var(--encre); text-decoration: none; white-space: nowrap; font-size: 16px; }
.menu a:hover { background: var(--papier); }
.menu a[aria-current="page"] { background: var(--couverture); color: var(--sur-couverture); font-weight: 700; }

/* Titres */
.fil { font-size: 15px; color: var(--gris); margin: 14px 0 0; }
.fil ol { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.fil li + li::before { content: "›"; margin-right: 8px; }
.fil a { color: var(--gris); }
h1, .titre-main {
  font-family: var(--manuscrite); font-weight: 400;
  font-size: clamp(28px, 4.2vw, 44px); line-height: 1.5; margin: 10px 0 6px;
}
h2 { font-family: var(--manuscrite); font-weight: 400; font-size: clamp(23px, 2.8vw, 30px); line-height: 1.55; margin: 0 0 10px; }
h3 { font-size: 20px; margin: 0 0 6px; }
.chapeau { max-width: 64ch; margin: 0 0 24px; font-size: 19px; color: var(--gris); }

/* La page de cahier : couverture jaune + papier Seyès */
.cahier {
  border: 10px solid var(--couverture);
  border-radius: 22px;
  background-color: var(--papier);
  overflow: hidden;
}
.seyes {
  background-color: var(--papier);
  background-image:
    linear-gradient(90deg, transparent calc(var(--marge) - 1px), var(--marge-rouge) calc(var(--marge) - 1px), var(--marge-rouge) calc(var(--marge) + 1px), transparent calc(var(--marge) + 1px)),
    repeating-linear-gradient(180deg, transparent 0 31px, var(--seyes-fort) 31px 32px),
    repeating-linear-gradient(180deg, transparent 0 7px, var(--seyes-fin) 7px 8px),
    repeating-linear-gradient(90deg, transparent 0 31px, var(--seyes-fin) 31px 32px);
  background-attachment: local;
}
.page { padding: 32px 26px 32px calc(var(--marge) + 18px); }

/* Accueil */
.une { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; margin-bottom: 40px; }
.une .page p { max-width: 58ch; line-height: var(--ligne); margin: 0 0 var(--ligne); }
.une h1 { margin-top: 0; }
.luma-carte { background: var(--papier); border-radius: 22px; padding: 16px; border: 2px solid var(--seyes-fin); }
.luma-carte img { border-radius: 14px; aspect-ratio: 3 / 4; object-fit: cover; object-position: center top; width: 100%; background: #fff; }
.luma-carte p { margin: 12px 0 0; font-size: 16px; color: var(--gris); }
.luma-carte strong { display: block; font-family: var(--manuscrite); font-weight: 400; font-size: 22px; color: var(--encre); }

/* Intercalaires de classe */
.intercalaires { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.intercalaires a {
  display: block; text-decoration: none; color: var(--sur-couverture);
  border-radius: 14px 14px 6px 6px; padding: 14px 12px 12px; min-height: 108px;
  border: 2px solid rgba(27, 42, 74, .18); position: relative;
}
.intercalaires a:hover { transform: translateY(-3px); }
.intercalaires b { display: block; font-size: 30px; line-height: 1.1; }
.intercalaires span { display: block; font-size: 14px; line-height: 1.35; margin-top: 6px; }
.int-cp a { background: var(--cp); } .int-ce1 a { background: var(--ce1); } .int-ce2 a { background: var(--ce2); }
.int-cm1 a { background: var(--cm1); } .int-cm2 a { background: var(--cm2); }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-size: 18px; font-weight: 700; min-height: 50px; padding: 0 22px;
  border-radius: 14px; border: 2px solid var(--encre); background: var(--papier); color: var(--encre);
  cursor: pointer; text-decoration: none; transition: transform .08s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.principal { background: var(--couverture); border-color: var(--couverture-fonce); color: var(--sur-couverture); }
.btn.discret { border-color: var(--seyes-fort); color: var(--gris); font-weight: 400; }
.boutons { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 0; }

/* Sommaire (catalogue) */
.bloc { margin: 0 0 44px; }
.bloc > p { max-width: 68ch; }
.sommaire { list-style: none; margin: 8px 0 0; padding: 0; columns: 2 420px; column-gap: 40px; }
.sommaire-ligne { break-inside: avoid; }
.sommaire-ligne a { display: flex; align-items: baseline; gap: 10px; padding: 8px 4px; color: var(--encre); text-decoration: none; border-bottom: 1px solid var(--seyes-fin); }
.sommaire-ligne a:hover .sommaire-nom { color: var(--stylo); text-decoration: underline; }
.sommaire-icone { width: 1.5em; text-align: center; flex: none; }
.sommaire-nom { font-weight: 700; }
.sommaire-points { flex: 1; border-bottom: 2px dotted var(--seyes-fort); transform: translateY(-5px); min-width: 20px; }
.sommaire-classes { display: flex; gap: 3px; flex: none; }
.classe { display: inline-block; font-size: 12px; font-weight: 700; line-height: 1; padding: 4px 6px; border-radius: 6px; color: #1B2A4A; }
.classe-cp { background: var(--cp); } .classe-ce1 { background: var(--ce1); } .classe-ce2 { background: var(--ce2); }
.classe-cm1 { background: var(--cm1); } .classe-cm2 { background: var(--cm2); }

/* Page d'une fiche */
.atelier { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 28px; align-items: start; }
.apercu { position: relative; }
.apercu-svg { width: 100%; height: auto; display: block; background: #fff; }
.apercu .cahier { border-width: 10px; }
.apercu-legende { font-size: 15px; color: var(--gris); margin: 8px 4px 0; }
.reglages { background: var(--papier); border: 2px solid var(--seyes-fin); border-radius: 22px; padding: 22px; position: sticky; top: 12px; }
.reglages h2 { font-size: 24px; }
.reglages fieldset { border: 0; margin: 0 0 16px; padding: 0; }
.reglages legend { font-weight: 700; margin-bottom: 6px; }
.pastilles { display: flex; flex-wrap: wrap; gap: 8px; }
.pastilles label { position: relative; }
.pastilles input { position: absolute; opacity: 0; inset: 0; }
.pastilles span { display: inline-block; padding: 8px 14px; border-radius: 12px; border: 2px solid var(--seyes-fort); cursor: pointer; font-weight: 700; }
.pastilles input:checked + span { background: var(--couverture); border-color: var(--couverture-fonce); color: var(--sur-couverture); }
.pastilles input:focus-visible + span { outline: 3px solid var(--stylo); outline-offset: 2px; }
.reglages select, .reglages input[type="number"], .reglages input[type="text"] {
  font: inherit; font-size: 17px; width: 100%; min-height: 46px; padding: 6px 12px; border-radius: 12px;
  border: 2px solid var(--seyes-fort); background: var(--papier); color: var(--encre);
}
.case-a-cocher { display: flex; gap: 10px; align-items: center; margin: 4px 0 14px; }
.case-a-cocher input { width: 22px; height: 22px; accent-color: var(--stylo); }
.numero { font-size: 15px; color: var(--gris); margin: 12px 0 0; }

/* Texte éditorial */
.texte { padding: 40px 0 10px; }
.texte section { max-width: 70ch; margin-bottom: 40px; }
.texte section.large { max-width: none; }
.texte p { margin: 0 0 14px; }
.etapes { margin: 0; padding-left: 1.4em; }
.etapes li { margin-bottom: 8px; padding-left: 4px; }
.etapes li::marker { font-weight: 700; color: var(--couverture-fonce); }
.conseil { border-left: 5px solid var(--couverture); background: var(--couverture-pale); padding: 14px 18px; border-radius: 0 14px 14px 0; }
.faq details { border-bottom: 2px solid var(--seyes-fin); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 19px; }
.faq details p { margin: 10px 0 4px; }

/* Listes de liens PDF (anciennes fiches fixes) */
.etiquettes { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.etiquettes a { display: inline-block; padding: 7px 13px; border-radius: 10px; background: var(--papier); border: 2px solid var(--seyes-fin); color: var(--encre); text-decoration: none; font-weight: 700; font-size: 16px; }
.etiquettes a:hover { border-color: var(--couverture-fonce); background: var(--couverture-pale); }
.etiquettes.alea a { border-style: dashed; border-color: var(--couverture-fonce); }

/* Exercices en ligne (anciennes applications) */
.vitrine { list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 0 32px; }
.vitrine li { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--seyes-fin); align-items: start; }
.vitrine img { width: 96px; height: 72px; object-fit: cover; border-radius: 10px; background: var(--surface); }
.vitrine a { font-weight: 700; }
.vitrine p { margin: 2px 0 0; font-size: 16px; color: var(--gris); line-height: 1.45; }

/* Cahiers PDF */
.cahiers { list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
.cahiers li { display: flex; flex-direction: column; background: var(--papier); border-radius: 8px 18px 18px 8px; border-left: 12px solid var(--couverture); padding: 16px 18px; box-shadow: inset 0 0 0 2px var(--seyes-fin); }
.cahiers li.c-ce1 { border-left-color: var(--ce1); } .cahiers li.c-ce2 { border-left-color: var(--ce2); }
.cahiers li.c-cm1 { border-left-color: var(--cm1); } .cahiers li.c-cm2 { border-left-color: var(--cm2); }
.cahiers h3 { font-size: 19px; }
.cahiers p { margin: 0 0 12px; font-size: 16px; color: var(--gris); flex: 1; }
.cahiers .btn { align-self: flex-start; min-height: 44px; font-size: 16px; }

/* Livres Amazon */
.livres { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 22px; }
.livres a { display: block; text-decoration: none; color: var(--encre); }
.livres img { width: 100%; aspect-ratio: 3 / 4; object-fit: contain; background: var(--papier); border-radius: 10px; border: 2px solid var(--seyes-fin); }
.livres a:hover img { border-color: var(--couverture); }
.livres strong { display: block; margin-top: 8px; line-height: 1.35; }
.livres span { font-size: 15px; color: var(--gris); }

.pub { margin: 28px auto; }

/* Pied de page */
.pied { border-top: 2px solid var(--seyes-fin); padding: 36px 0 40px; margin-top: 40px; font-size: 16px; color: var(--gris); }
.pied-grille { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 28px; }
.pied h2 { font-family: var(--lisible); font-size: 17px; font-weight: 700; margin: 0 0 12px; color: var(--encre); }
.pied-liens { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 8px; }
.pied a { color: var(--encre); font-weight: 700; }
.pied-liens span { display: block; font-size: 14px; }
.legal { margin: 0; font-size: 15px; }

@media (max-width: 900px) {
  .une, .atelier { grid-template-columns: 1fr; }
  .luma-carte { display: grid; grid-template-columns: 96px 1fr; gap: 14px; align-items: center; padding: 12px; }
  .luma-carte p { margin: 0; }
  .reglages { position: static; }
  .intercalaires { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .menu ul { justify-content: flex-start; }
  .pied-grille { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 520px) {
  :root { --marge: 32px; }
  body { font-size: 17px; }
  .page { padding: 24px 16px 24px calc(var(--marge) + 12px); }
  .intercalaires { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intercalaires a { min-height: 90px; }
  .sommaire-classes { display: none; }
  .vitrine li { grid-template-columns: 72px 1fr; }
  .vitrine img { width: 72px; height: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  .btn, .intercalaires a { transition: none; transform: none !important; }
}
@media print {
  .entete, .pied, .fil, .reglages, .pub, .bandeau-test { display: none !important; }
  body { background: #fff; }
}
.apercu-corrige { margin-top: 14px; }
.apercu-corrige summary { cursor: pointer; font-weight: 700; color: var(--stylo); margin-bottom: 10px; }
.intercalaires a[aria-current="page"] { outline: 3px solid var(--encre); outline-offset: 2px; }
.generateur { position: static; max-width: 860px; }
.choix-modes { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.mode { position: relative; display: block; }
.mode input { position: absolute; opacity: 0; inset: 0; }
.mode span { display: block; height: 100%; padding: 12px 14px; border-radius: 14px; border: 2px solid var(--seyes-fin); cursor: pointer; }
.mode b { display: block; }
.mode small { display: block; color: var(--gris); font-size: 15px; line-height: 1.4; margin-top: 2px; }
.mode input:checked + span { border-color: var(--couverture-fonce); background: var(--couverture-pale); }
.mode input:focus-visible + span { outline: 3px solid var(--stylo); outline-offset: 2px; }
.zone p { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; margin: 0 0 10px; }
.petit-champ { display: inline-flex; flex-direction: column; font-size: 15px; color: var(--gris); }
.petit-champ input, .petit-champ select { width: 130px !important; }
.petit-champ.large input { width: min(340px, 80vw) !important; }
.zone-ligne { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 8px; }
.cm-sortie { margin: 26px 0; display: grid; gap: 22px; }
.cm-feuille { background: #fff; color: #1B2A4A; border: 10px solid var(--couverture); border-radius: 22px; padding: 22px 26px; max-width: 860px; }
.cm-feuille header { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-bottom: 2px solid #CFDBF3; padding-bottom: 10px; margin-bottom: 14px; }
.cm-feuille header b { font-family: var(--manuscrite); font-weight: 400; font-size: 24px; }
.cm-feuille header span { color: #4F5D7C; font-size: 15px; }
.cm-feuille ol { margin: 0; padding-left: 1.6em; columns: 2 240px; column-gap: 40px; font-size: 21px; }
.cm-feuille li { padding: 8px 0; break-inside: avoid; }
.cm-feuille li::marker { color: #9FB3E2; font-size: 14px; }
.cm-feuille i { display: inline-block; width: 70px; border-bottom: 2px solid #1B2A4A; }
.cm-feuille em { font-style: normal; font-weight: 700; color: #2346B5; }
.cm-feuille footer { text-align: center; color: #4F5D7C; font-size: 13px; margin-top: 12px; }
.cm-corr { border-color: #9FB3E2; }
@media print {
  body * { visibility: hidden; }
  .cm-sortie, .cm-sortie * { visibility: visible; }
  .cm-sortie { position: absolute; left: 0; top: 0; width: 100%; margin: 0; }
  .cm-feuille { border: 0; max-width: none; break-after: page; }
}
.anciennes summary { cursor: pointer; }
.anciennes summary h2 { display: inline; }
.anciennes h3 { margin: 18px 0 4px; }
[hidden] { display: none !important; }