/* ==========================================================================
   EduCarette - couche site, posee sur le design system Organic.
   Charger organic-ds.css AVANT ce fichier : tous les jetons viennent de lui.
   Le contenu des chapitres porte deja ses styles Organic, cette couche ne
   traite que l'habillage du site : en-tete, bandeau, colonne laterale,
   telechargements, emplacements publicitaires, pied de page.
   ========================================================================== */

/* --- Base ---------------------------------------------------------------- */

body.ec {
  margin: 0;
  background: var(--color-neutral-100);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
.ec a { color: var(--color-accent-700); text-decoration: none; }
.ec a:hover { color: var(--color-accent-600); text-decoration: underline; }
.ec :focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.ec h1, .ec h2, .ec h3 { margin: 0; }

.ec-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.ec-skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--color-accent-700); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--radius-md) 0;
}
.ec-skip:focus { left: 0; color: #fff; }

/* --- En-tete --------------------------------------------------------------- */

.ec-header { border-bottom: 1px solid var(--color-neutral-300); background: var(--color-neutral-100); }
.ec-header-inner { display: flex; align-items: center; gap: 32px; min-height: 76px; }
.ec-brand { display: flex; align-items: center; gap: 11px; flex: none; }
.ec-brand span { font: 400 23px/1 var(--font-heading); color: var(--color-text); }
.ec-brand:hover { text-decoration: none; }
.ec-nav { display: flex; align-items: center; gap: 26px; flex: 1 1 auto; }
.ec-nav a { font-size: 15px; font-weight: 500; color: var(--color-neutral-700); }
.ec-nav a[aria-current="page"] { font-weight: 700; color: var(--color-text); }
.ec-header-actions { display: flex; align-items: center; gap: 16px; flex: none; }
.ec-burger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; align-items: center; justify-content: center; }

/* --- Boutons ---------------------------------------------------------------- */

.ec-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 44px; padding: 0 22px; border: 0; cursor: pointer;
  border-radius: 999px; font: 600 14px/1 var(--font-body);
}
.ec a.ec-btn--primary, .ec .ec-btn--primary { background: var(--color-accent-700); color: var(--color-accent-100); }
.ec a.ec-btn--primary:hover { background: var(--color-accent-600); color: var(--color-accent-100); text-decoration: none; }
.ec a.ec-btn--ghost, .ec .ec-btn--ghost { background: #fff; color: var(--color-text); border: 1.5px solid var(--color-neutral-400); }
.ec a.ec-btn--ghost:hover { border-color: var(--color-accent); color: var(--color-text); text-decoration: none; }
.ec a.ec-btn--link { font-size: 14px; font-weight: 600; color: var(--color-neutral-700); }

/* --- Bandeau de chapitre ----------------------------------------------------- */

.ec-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--color-neutral-300); padding: 32px 0 40px; }
.ec-hero::before, .ec-hero::after { content: ""; position: absolute; border-radius: 999px; }
.ec-hero::before { top: -140px; right: -80px; width: 320px; height: 320px; background: var(--color-accent-2-200); }
.ec-hero::after { top: 120px; right: 220px; width: 110px; height: 110px; background: var(--color-accent-200); }
.ec-hero > * { position: relative; }

.ec-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; font-size: 13px; color: var(--color-neutral-700); margin-bottom: 20px; }
.ec-breadcrumb a { color: var(--color-neutral-700); }
.ec-breadcrumb [aria-current] { color: var(--color-text); font-weight: 600; }

.ec-kicker { margin: 0 0 8px; font: 700 12.5px/1.4 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-2-700); }
.ec-hero h1 { max-width: 16em; font: 400 clamp(29px, 5vw, 46px)/1.1 var(--font-heading); color: var(--color-text); text-wrap: balance; }
.ec-lede { max-width: 36em; margin: 16px 0 0; font-size: 16.5px; line-height: 1.62; color: var(--color-neutral-700); }
.ec-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.ec-pill { padding: 6px 15px; border-radius: 999px; font: 700 11px/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }
.ec-pill--accent { background: var(--color-accent-700); color: var(--color-accent-100); }
.ec-pill--outline { border: 1px solid var(--color-neutral-400); color: var(--color-neutral-700); font-weight: 600; letter-spacing: .1em; }
.ec-pill--sage { background: var(--color-accent-2-200); color: var(--color-accent-2-800); letter-spacing: .1em; }

.ec-meta { display: flex; flex-wrap: wrap; gap: 20px; margin: 18px 0 0; }
.ec-meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--color-neutral-700); }

/* --- Onglets ------------------------------------------------------------------ */

.ec-tabs { border-bottom: 1px solid var(--color-neutral-300); background: var(--color-neutral-100); }
.ec-tabs-inner { display: flex; align-items: center; gap: 28px; overflow-x: auto; }
.ec-tabs a {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  min-height: 54px; border-bottom: 2.5px solid transparent;
  font-size: 15px; font-weight: 500; color: var(--color-neutral-700);
}
.ec-tabs a:hover { text-decoration: none; color: var(--color-text); }
.ec-tabs a[aria-current] { border-bottom-color: var(--color-accent); color: var(--color-text); font-weight: 700; }

/* --- Mise en page ------------------------------------------------------------- */

.ec-layout { display: grid; grid-template-columns: minmax(0, 1fr) 308px; gap: 40px; align-items: start; padding: 40px 0 64px; }
.ec-article { min-width: 0; }
.ec-aside { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 20px; }

.ec-card { background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300); border-radius: var(--radius-md); padding: 20px; }
.ec-card-title { display: block; margin: 0 0 14px; font: 700 11px/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-700); }

.ec-toc { display: flex; flex-direction: column; gap: 2px; }
.ec-toc a { padding: 8px 12px; border-radius: 9px; font-size: 14px; color: var(--color-neutral-700); }
.ec-toc a:hover { background: var(--color-neutral-200); text-decoration: none; }
.ec-toc a[aria-current] { background: var(--color-neutral-200); border-left: 2.5px solid var(--color-accent); font-weight: 700; color: var(--color-text); }

/* --- Telechargements ----------------------------------------------------------- */

.ec-dl { display: flex; flex-direction: column; gap: 10px; }
.ec-dl-item {
  display: flex; align-items: center; gap: 12px; padding: 13px 14px;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-md); background: #fff;
}
.ec-dl-item:hover { border-color: var(--color-accent-300); text-decoration: none; }
.ec-dl-text { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.ec-dl-name { font-size: 14.5px; font-weight: 600; color: var(--color-text); }
.ec-dl-sub { font-size: 12px; color: var(--color-neutral-700); }
.ec-dl-free { flex: none; padding: 4px 9px; border-radius: 999px; background: var(--color-accent-2-200); color: var(--color-accent-2-800); font: 700 10px/1 var(--font-body); letter-spacing: .07em; }

.ec-dl-item--paid { display: block; padding: 15px 14px; border: 1.5px solid var(--color-accent-300); background: var(--color-accent-100); }
.ec-dl-item--paid:hover { border-color: var(--color-accent); }
.ec-dl-row { display: flex; align-items: center; gap: 12px; margin-bottom: 11px; }
.ec .ec-dl-buy, .ec a.ec-dl-buy {
  display: flex; align-items: center; justify-content: center; min-height: 44px;
  border-radius: 999px; background: var(--color-accent-700); color: var(--color-accent-100);
  font: 700 13.5px/1 var(--font-body);
}
.ec-dl-note { display: block; margin-top: 9px; font-size: 11.5px; line-height: 1.45; color: var(--color-accent-800); }

/* --- Bandeau d'achat (mobile uniquement, sous les onglets) ---------------------
   Sur grand écran la carte d'achat est déjà visible dans la colonne de droite ;
   sous 1000px cette colonne repasse en fin de page (cf. .ec-layout ci-dessous),
   d'où ce rappel discret juste après les onglets, avant le fil de lecture.      */
.ec-cta-achat { display: none; }
.ec-cta-achat a { display: block; padding: 11px 0; font-size: 13.5px; font-weight: 600; color: var(--color-accent-800); text-align: center; }
.ec-cta-achat a:hover { text-decoration: underline; }

/* --- Publicite -------------------------------------------------------------------
   Regle de placement : colonne de droite sur grand ecran, fin de partie sur
   telephone. Jamais dans le fil de lecture, jamais dans les exercices, jamais
   entre une question et sa correction.                                            */

.ec-ad { display: flex; flex-direction: column; gap: 7px; }
.ec-ad-label { font: 600 9.5px/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--color-neutral-600); }
.ec-ad-slot {
  min-height: 250px; border: 1px dashed var(--color-neutral-400); border-radius: var(--radius-md);
  background: var(--color-neutral-200); display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 16px; font-size: 13px; color: var(--color-neutral-700);
}
.ec-ad--inline { display: none; margin: 32px 0; }

/* --- Pied de page ------------------------------------------------------------- */

.ec-footer { border-top: 1px solid var(--color-neutral-300); padding: 36px 0; }
.ec-footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.ec-footer-brand { display: flex; align-items: center; gap: 11px; font-size: 14px; color: var(--color-neutral-700); }
.ec-footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.ec-footer nav a { font-size: 14px; color: var(--color-neutral-700); }

/* --- Contenu du chapitre -------------------------------------------------------
   Le contenu vient du document Organic et porte ses propres styles en ligne.
   On neutralise seulement ce qui ne vaut que pour le PDF.                        */

.ec-article img { max-width: 100%; height: auto; }
.ec-article table { max-width: 100%; }
.ec-article svg { max-width: 100%; height: auto; }
.ec-article > h2:first-child { margin-top: 0; }

/* --- Responsive ------------------------------------------------------------------ */

@media (max-width: 1000px) {
  .ec-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 28px; }
  .ec-aside { position: static; }
  .ec-cta-achat:not([hidden]) { display: block; background: var(--color-accent-100); border-bottom: 1px solid var(--color-accent-300); }
  .ec-ad--inline { display: flex; }
  .ec-aside .ec-ad { display: none; }
  .ec-hero::after { display: none; }
  .ec-hero::before { width: 210px; height: 210px; top: -110px; right: -70px; }
}
@media (max-width: 760px) {
  .ec-nav { display: none; }
  .ec-burger { display: flex; }
  .ec-header-actions .ec-btn--link,
  .ec-header-actions .ec-btn--primary { display: none; }
  .ec-header-inner { gap: 12px; justify-content: space-between; }
  .ec-wrap { padding: 0 18px; }
  .ec-hero h1 { font-size: 27px; }
}

@media (prefers-reduced-motion: reduce) {
  .ec *, .ec *::before, .ec *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Accueil, pages de matiere et pages secondaires
   ========================================================================== */

/* --- Bandeau d'accueil ------------------------------------------------------ */

.ec-home-hero { position: relative; overflow: hidden; padding: 84px 0 76px; }
.ec-home-hero::before, .ec-home-hero::after { content: ""; position: absolute; border-radius: 999px; }
.ec-home-hero::before { top: -130px; right: -100px; width: 430px; height: 430px; background: var(--color-accent-2-200); }
.ec-home-hero::after { top: 250px; right: 300px; width: 150px; height: 150px; background: var(--color-accent-200); }
.ec-home-hero > * { position: relative; }
.ec-home-hero h1 {
  max-width: 11em; margin: 20px 0 22px;
  font: 400 clamp(34px, 6vw, 64px)/1.06 var(--font-heading); color: var(--color-text); text-wrap: balance;
}
.ec-home-hero h1 em { font-style: normal; color: var(--color-accent-600); }
.ec-home-hero .ec-lede { max-width: 33em; font-size: 18px; }
.ec-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.ec-hero-actions .ec-btn { min-height: 54px; padding: 0 30px; font-size: 16px; }

/* --- Bande de chiffres -------------------------------------------------------- */

.ec-stats {
  display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between;
  padding: 26px 32px; border-top: 1px solid var(--color-neutral-300); border-bottom: 1px solid var(--color-neutral-300);
}
.ec-stat { display: flex; flex-direction: column; gap: 3px; }
.ec-stat b { font: 400 30px/1.1 var(--font-heading); color: var(--color-accent-800); }
.ec-stat span { font-size: 13px; font-weight: 500; color: var(--color-neutral-700); }
.ec-stats-sep { width: 1px; background: var(--color-neutral-300); align-self: stretch; }

/* --- Sections ------------------------------------------------------------------ */

.ec-section { padding-top: 76px; }
.ec-section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 32px; }
.ec-section-head h2 { max-width: 16em; font: 400 clamp(26px, 4vw, 40px)/1.12 var(--font-heading); color: var(--color-text); }
.ec-section-head p { max-width: 34em; margin: 10px 0 0; font-size: 16px; line-height: 1.6; color: var(--color-neutral-700); }
.ec-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; }

/* --- Cartes matiere -------------------------------------------------------------- */

.ec-subject {
  display: flex; flex-direction: column; gap: 13px; padding: 26px;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-lg); background: var(--color-neutral-100);
}
.ec-subject:hover { border-color: var(--color-accent-300); box-shadow: var(--shadow-sm); text-decoration: none; }
.ec-subject-icon { width: 46px; height: 46px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.ec-subject h3 { font: 400 23px/1.2 var(--font-heading); color: var(--color-text); }
.ec-subject p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--color-neutral-700); }
.ec-subject-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 2px; font-size: 12.5px; color: var(--color-neutral-700); }
.ec-subject-meta b { font-weight: 700; }
.ec-subject--soon { border-style: dashed; background: var(--color-neutral-200); }

/* --- Panneau des trois documents --------------------------------------------------- */

.ec-docs { margin-top: 12px; padding: 46px; border-radius: var(--radius-lg); background: var(--color-neutral-200); border: 1px solid var(--color-neutral-300); }
.ec-doc-card {
  display: flex; flex-direction: column; gap: 12px; padding: 24px;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-md); background: var(--color-neutral-100);
}
.ec-doc-card--paid { border: 1.5px solid var(--color-accent-300); }
.ec-doc-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ec-doc-card b { font-size: 17px; font-weight: 700; color: var(--color-text); }
.ec-doc-card p { margin: 0; font-size: 14px; line-height: 1.58; color: var(--color-neutral-700); }

/* --- Appel aux enseignants ------------------------------------------------------------ */

.ec-cta {
  position: relative; overflow: hidden; margin: 60px 0 70px;
  padding: 48px 52px; border-radius: var(--radius-lg); background: var(--color-accent-800);
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 40px;
}
.ec-cta::after { content: ""; position: absolute; bottom: -150px; right: -110px; width: 300px; height: 300px; border-radius: 999px; background: var(--color-accent-700); }
.ec-cta > * { position: relative; }
.ec-cta-text { flex: 1 1 420px; display: flex; flex-direction: column; gap: 13px; max-width: 42em; }
.ec-cta .ec-kicker { margin: 0; color: var(--color-accent-300); }
.ec-cta h2 { font: 400 clamp(24px, 3.5vw, 34px)/1.16 var(--font-heading); color: #fff; }
.ec-cta p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--color-accent-200); }
.ec-cta p.ec-cta-fine { font-size: 14.5px; line-height: 1.55; color: var(--color-accent-300); }
.ec .ec-cta .ec-btn { background: var(--color-neutral-100); color: var(--color-accent-800); min-height: 54px; padding: 0 30px; font-size: 16px; font-weight: 700; }
.ec .ec-cta .ec-btn:hover { background: #fff; color: var(--color-accent-800); }

/* --- Page de matiere --------------------------------------------------------------- */

.ec-matiere-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 36px; }
.ec-progress { flex: 0 0 260px; }
.ec-progress-figure { display: flex; align-items: baseline; gap: 7px; margin-bottom: 12px; }
.ec-progress-figure b { font: 400 34px/1 var(--font-heading); color: var(--color-accent-600); }
.ec-progress-figure span { font-size: 14px; color: var(--color-neutral-700); }
.ec-progress-bar { height: 8px; border-radius: 999px; background: var(--color-neutral-300); overflow: hidden; }
.ec-progress-bar i { display: block; height: 100%; border-radius: 999px; background: var(--color-accent-500); }

.ec-theme { margin-bottom: 34px; }
.ec-theme-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 18px; }
.ec-theme-num {
  flex: none; width: 34px; height: 34px; border-radius: 999px; background: var(--color-accent-200);
  display: flex; align-items: center; justify-content: center;
  font: 400 15px/1 var(--font-heading); color: var(--color-accent-800);
}
.ec-theme-head h2 { font: 400 26px/1.2 var(--font-heading); color: var(--color-accent-700); }
.ec-theme-head .ec-rule { flex: 1 1 40px; height: 1px; background: var(--color-neutral-300); }
.ec-theme-head .ec-count { font-size: 13px; color: var(--color-neutral-700); }

.ec-chapters { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.ec-chapter {
  display: flex; flex-direction: column; gap: 10px; padding: 22px 24px;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-md); background: var(--color-neutral-100);
}
.ec-chapter:hover { border-color: var(--color-accent-300); box-shadow: var(--shadow-sm); text-decoration: none; }
.ec-chapter-code { font: 700 11px/1 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-700); }
.ec-chapter h3 { font: 400 20px/1.22 var(--font-heading); color: var(--color-text); }
.ec-chapter p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--color-neutral-700); }
.ec-chapter-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 3px; font-size: 12.5px; color: var(--color-neutral-700); }
.ec-chapter-files { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-weight: 700; color: var(--color-accent-2-700); }
.ec-badge-done { padding: 3px 10px; border-radius: 999px; background: var(--color-accent-2-200); color: var(--color-accent-2-800); font: 700 10px/1.4 var(--font-body); letter-spacing: .07em; text-transform: uppercase; }

.ec-notice {
  display: flex; flex-wrap: wrap; align-items: center; gap: 24px; padding: 26px 30px;
  border: 1px dashed var(--color-neutral-400); border-radius: var(--radius-lg); background: var(--color-neutral-200);
}
.ec-notice-text { flex: 1 1 320px; display: flex; flex-direction: column; gap: 5px; }
.ec-notice-text b { font-size: 17px; color: var(--color-text); }
.ec-notice-text span { font-size: 14.5px; line-height: 1.55; color: var(--color-neutral-700); }

/* --- Contenu editorial simple (a propos, mentions, contact) ------------------------- */

.ec-prose { max-width: 42em; padding: 44px 0 64px; font-size: 17px; line-height: 1.72; color: var(--color-text); }
.ec-prose h2 { margin: 40px 0 14px; font: 400 27px/1.2 var(--font-heading); color: var(--color-accent-700); }
.ec-prose h3 { margin: 28px 0 10px; font: 700 17px/1.4 var(--font-body); color: var(--color-text); }
.ec-prose p { margin: 0 0 1.05em; }
.ec-prose ul { padding-left: 20px; }
.ec-prose li { margin-bottom: 8px; }

@media (max-width: 760px) {
  .ec-home-hero { padding: 46px 0 44px; }
  .ec-home-hero::after { display: none; }
  .ec-home-hero::before { width: 210px; height: 210px; top: -96px; right: -72px; }
  .ec-home-hero h1 { margin-top: 16px; }
  .ec-hero-actions { margin-top: 24px; }
  .ec-hero-actions .ec-btn { width: 100%; }
  .ec-section { padding-top: 54px; }
  .ec-docs { padding: 26px 20px; }
  .ec-cta { padding: 32px 24px; margin: 44px 0 52px; }
  .ec-stats { padding: 22px 18px; gap: 20px; }
  .ec-stats-sep { display: none; }
  .ec-stat { flex: 1 1 40%; }
}

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

@media print {
  .ec-header, .ec-tabs, .ec-aside, .ec-footer, .ec-ad, .ec-breadcrumb { display: none !important; }
  .ec-layout { grid-template-columns: minmax(0, 1fr); padding: 0; }
  .ec-hero::before, .ec-hero::after { display: none; }
}

/* --- Menu de telephone ---------------------------------------------------------- */

@media (max-width: 760px) {
  .ec-header { position: relative; }
  .ec-nav.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%; z-index: 40;
    padding: 4px 18px 14px; background: var(--color-neutral-100);
    border-bottom: 1px solid var(--color-neutral-300); box-shadow: var(--shadow-md);
  }
  .ec-nav.is-open a { padding: 13px 2px; font-size: 16px; border-bottom: 1px solid var(--color-neutral-200); }
  .ec-nav.is-open a:last-child { border-bottom: 0; }
}

/* --- Tableaux larges sur petit ecran ---------------------------------------
   Les tableaux venus du document Organic sont calibres pour une page A4.
   Sur telephone, ils defilent horizontalement plutot que de pousser toute
   la page hors de l'ecran.                                                  */

@media (max-width: 760px) {
  .ec-article table {
    display: block;
    width: 100%;
    min-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .ec-article table th,
  .ec-article table td { white-space: normal; }
}

/* ==========================================================================
   Calculateur de note du bac (pages/calculateur-bac.html)
   ========================================================================== */

.calc-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.calc-maj { margin: 14px 0 0; font-size: 13px; font-weight: 600; color: var(--color-accent-2-700); }

.calc-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 360px;
  gap: 36px; align-items: start; padding: 36px 0 72px;
}
.calc-form, .calc-regles { grid-column: 1; min-width: 0; }
.calc-aside { grid-column: 2; grid-row: 1 / span 2; display: flex; flex-direction: column; gap: 20px; position: sticky; top: 20px; }

/* --- Blocs du formulaire ------------------------------------------------------ */

.calc-bloc {
  margin: 0 0 24px; padding: 24px 26px 8px; min-width: 0;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-lg);
  background: #fff;
}
.calc-bloc-titre {
  float: left; width: 100%; margin: 0 0 6px; padding: 0;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px;
  font: 400 23px/1.25 var(--font-heading); color: var(--color-text);
}
.calc-bloc-titre + * { clear: both; }
.calc-bloc-poids { font: 700 11px/1.3 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-700); }
.calc-bloc-intro { margin: 0 0 12px; font-size: 14.5px; line-height: 1.6; color: var(--color-neutral-700); }

.calc-reglages { padding-bottom: 18px; }
.calc-reglage { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 12px 0 0; }
.calc-reglage-label { flex: 0 0 100%; font-size: 13.5px; font-weight: 700; color: var(--color-text); }
.calc-reglage-detail { font-size: 13.5px; color: var(--color-neutral-700); }
.calc-note-info { margin: 16px 0 0; padding: 12px 14px; border-radius: var(--radius-md); background: var(--color-accent-2-100); font-size: 13.5px; line-height: 1.55; color: var(--color-accent-2-900); }

.calc-choix { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 24px; background: var(--color-neutral-200); }
.calc-choix-btn { flex: 1 1 auto; }
.calc-choix-btn {
  min-height: 40px; padding: 0 16px; border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--color-neutral-800); font: 600 14px/1 var(--font-body);
}
.calc-choix-btn:hover { background: var(--color-neutral-300); }
.calc-choix-btn[aria-pressed="true"] { background: var(--color-accent-700); color: var(--color-accent-100); }
.calc-choix-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* --- Lignes de matiere ----------------------------------------------------------- */

.calc-ligne { padding: 16px 0; border-top: 1px solid var(--color-neutral-200); }
.calc-ligne:first-child { border-top: 0; }
.calc-ligne-titre { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.calc-matiere { font-size: 15.5px; font-weight: 700; color: var(--color-text); }
.calc-coef { flex: none; font-size: 12px; font-weight: 700; color: var(--color-accent-700); white-space: nowrap; }
.calc-aide { margin: 3px 0 0; font-size: 13px; line-height: 1.5; color: var(--color-neutral-700); }
.calc-avenir {
  display: inline-block; margin-left: 4px; padding: 1px 8px; border-radius: 999px;
  background: var(--color-accent-2-200); color: var(--color-accent-2-800);
  font-size: 10.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; vertical-align: 1px;
}

.calc-annees { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 18px; margin-top: 10px; }
.calc-annee { display: flex; flex-direction: column; gap: 6px; }
.calc-annee-nom { font-size: 13px; font-weight: 600; color: var(--color-neutral-800); }
.calc-annee-coef { font-weight: 500; color: var(--color-neutral-600); }
.calc-periodes { display: flex; gap: 8px; }
.calc-periodes .calc-champ { flex: 1 1 0; min-width: 0; }

.calc-champ { display: flex; flex-direction: column; gap: 4px; }
.calc-champ-label { font-size: 11.5px; font-weight: 700; color: var(--color-neutral-700); }
.calc-ligne--simple .calc-champ { margin-top: 10px; max-width: 160px; }
.calc-champ input {
  width: 100%; box-sizing: border-box; min-height: 44px; padding: 0 12px;
  border: 1.5px solid var(--color-neutral-400); border-radius: 12px;
  background: var(--color-neutral-100); color: var(--color-text);
  font: 600 16px/1 var(--font-body); text-align: center;
}
.calc-champ input::placeholder { color: var(--color-neutral-600); font-weight: 500; }
.calc-champ input:hover { border-color: var(--color-neutral-500); }
.calc-champ input:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: var(--color-accent); background: #fff; }
.calc-champ input.is-invalide { border-color: #9a2c1e; background: #fbeae7; }

.calc-actions { margin: 4px 0 40px; }

/* --- Carte de resultat -------------------------------------------------------------- */

.calc-resultat {
  padding: 24px; border-radius: var(--radius-lg);
  background: var(--color-neutral-100); border: 1.5px solid var(--color-neutral-300);
}
.calc-resultat-label { font: 700 11px/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-700); }
.calc-moyenne-ligne { display: flex; align-items: baseline; gap: 6px; margin: 8px 0 4px; }
.calc-moyenne { font: 400 58px/1 var(--font-heading); color: var(--color-text); }
.calc-sur { font: 400 22px/1 var(--font-heading); color: var(--color-neutral-600); }
.calc-statut { margin: 6px 0 0; font-size: 15.5px; font-weight: 700; line-height: 1.4; color: var(--color-text); }
.calc-precision { margin: 6px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--color-neutral-700); }

.calc-resultat[data-statut="admis"],
.calc-resultat[data-statut="ab"]        { border-color: var(--color-accent-2-400); background: var(--color-accent-2-100); }
.calc-resultat[data-statut="b"],
.calc-resultat[data-statut="tb"]        { border-color: var(--color-accent-2-500); background: var(--color-accent-2-100); }
.calc-resultat[data-statut="fel"]       { border-color: #c79a3a; background: #fbf3de; }
.calc-resultat[data-statut="rattrapage"] { border-color: var(--color-accent-400); background: var(--color-accent-100); }
.calc-resultat[data-statut="refuse"]    { border-color: #c98a80; background: #fbeae7; }

.calc-alerte { margin: 14px 0 0; padding: 10px 12px; border-radius: 12px; background: #fbeae7; color: #7a2418; font-size: 13px; line-height: 1.5; }
.calc-second-groupe { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: #fff; border: 1px solid var(--color-accent-300); font-size: 13.5px; line-height: 1.55; color: var(--color-accent-900); }

.ec .calc-cibles-titre { margin: 20px 0 10px; font: 700 12px/1.4 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-neutral-700); }
.calc-cibles { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.calc-cible {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-radius: 12px; background: #fff; border: 1px solid var(--color-neutral-300);
  font-size: 13.5px; color: var(--color-text);
}
.calc-cible b { font-weight: 700; text-align: right; }
.calc-cible-seuil { color: var(--color-neutral-600); font-weight: 500; }
.calc-cible--acquis b, .calc-cible--atteint b { color: var(--color-accent-2-800); }
.calc-cible--possible b { color: var(--color-accent-800); }
.calc-cible--impossible, .calc-cible--manque { background: var(--color-neutral-200); }
.calc-cible--impossible b, .calc-cible--manque b { color: var(--color-neutral-700); font-weight: 600; }

.calc-repartition { margin: 18px 0 0; padding: 14px 0 0; border-top: 1px solid var(--color-neutral-300); display: flex; flex-direction: column; gap: 6px; }
.calc-repartition div { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; }
.calc-repartition dt { color: var(--color-neutral-700); }
.calc-repartition dd { margin: 0; font-weight: 700; color: var(--color-text); }

.calc-copier { width: 100%; margin-top: 18px; }
.calc-privee { margin: 10px 0 0; font-size: 12px; line-height: 1.5; color: var(--color-neutral-700); text-align: center; }

/* --- Regles et sources ------------------------------------------------------------ */

.calc-regles { font-size: 16px; line-height: 1.7; color: var(--color-text); }
.ec .calc-regles h2 { margin: 8px 0 14px; font: 400 clamp(24px, 3.4vw, 31px)/1.2 var(--font-heading); color: var(--color-text); }
.ec .calc-regles h3 { margin: 30px 0 8px; font: 400 21px/1.25 var(--font-heading); color: var(--color-accent-700); }
.calc-regles p { margin: 0 0 12px; }
.calc-regles ul { margin: 0 0 12px; padding-left: 20px; }
.calc-regles li { margin-bottom: 6px; }
.calc-regles li::marker { color: var(--color-accent-500); }

.calc-table-wrap { margin: 12px 0 8px; overflow-x: auto; border: 1px solid var(--color-neutral-300); border-radius: var(--radius-md); background: #fff; }
.calc-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.calc-table caption { padding: 12px 16px 4px; text-align: left; font-weight: 700; color: var(--color-text); }
.calc-table th, .calc-table td { padding: 10px 16px; text-align: left; vertical-align: top; border-top: 1px solid var(--color-neutral-200); }
.calc-table thead th { border-top: 0; background: var(--color-neutral-200); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-neutral-700); }
.calc-table tbody th { font-weight: 600; color: var(--color-text); }
.calc-table td:last-child, .calc-table th:last-child { text-align: right; white-space: nowrap; font-weight: 700; }
.calc-table-total th, .calc-table-total td { background: var(--color-accent-100); color: var(--color-accent-900); font-weight: 700; }

.calc-avertissement { margin: 26px 0 0; padding: 16px 18px; border-radius: var(--radius-md); background: var(--color-accent-100); border: 1px solid var(--color-accent-300); font-size: 14.5px; line-height: 1.6; color: var(--color-accent-900); }
.calc-sources { font-size: 14.5px; }

/* --- Barre de resultat sur telephone ------------------------------------------------ */

.calc-mini { display: none; }

@media (max-width: 1000px) {
  .calc-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-bottom: 96px; }
  .calc-form, .calc-regles, .calc-aside { grid-column: 1; grid-row: auto; }
  .calc-aside { position: static; order: 2; }
  .calc-form { order: 1; }
  .calc-regles { order: 3; }
  .calc-aside .ec-ad { display: none; }

  .calc-mini {
    display: flex; align-items: center; gap: 12px;
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 30;
    padding: 10px 12px 10px 18px; border-radius: 999px;
    background: var(--color-accent-800); color: var(--color-accent-100); box-shadow: var(--shadow-lg);
  }
  .calc-mini-moyenne { font: 400 26px/1 var(--font-heading); color: #fff; }
  .calc-mini-statut { flex: 1 1 auto; min-width: 0; font-size: 13px; font-weight: 600; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .ec a.calc-mini-lien {
    flex: none; min-height: 40px; padding: 0 16px; display: inline-flex; align-items: center;
    border-radius: 999px; background: var(--color-neutral-100); color: var(--color-accent-800);
    font-size: 13px; font-weight: 700; text-decoration: none;
  }
}
@media (max-width: 620px) {
  .calc-choix { display: flex; }
  .calc-choix-btn { padding: 0 12px; font-size: 13.5px; }
  .calc-bloc { padding: 18px 16px 4px; }
  .calc-moyenne { font-size: 50px; }
  .calc-annees { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
  .calc-periodes { gap: 6px; }
  .calc-champ input { padding: 0 6px; }
}
@media print {
  .calc-mini, .calc-actions, .calc-copier, .calc-aside .ec-ad { display: none !important; }
  .calc-layout { grid-template-columns: minmax(0, 1fr); }
  .calc-aside { position: static; grid-column: 1; grid-row: auto; }
}

/* ── Page « nouveau mot de passe » ─────────────────────────── */
.ec-reset { padding-top: 32px; padding-bottom: 64px; }
.ec-reset-form { max-width: 460px; display: grid; gap: 18px; padding: 28px; }
.ec-reset-champ { display: grid; gap: 6px; }
.ec-reset-champ label { font-weight: 700; font-size: 15px; }
.ec-reset-champ input { min-height: 48px; padding: 0 14px; border: 1.5px solid var(--color-neutral-400); border-radius: var(--radius-sm); font: inherit; background: #fff; }
.ec-reset-champ input:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: var(--color-accent); }
.ec-reset-champ small { color: var(--color-neutral-700); font-size: 13px; }
.ec-reset-message { margin: 0; min-height: 1.4em; font-size: 15px; }
.ec-reset-message.is-erreur { color: #9a2c1e; }
.ec-reset-message.is-ok { color: var(--color-accent-2-800); font-weight: 600; }
.ec .ec-reset-form .ec-btn { min-height: 50px; border: 0; cursor: pointer; justify-self: start; padding: 0 26px; }
.ec .ec-reset-form .ec-btn:disabled { opacity: .55; cursor: not-allowed; }

/* ── Page « Ma progression » ───────────────────────────────── */
.ec-prog-hero { padding-bottom: 32px; }
.ec-prog-guest {
  margin-top: 22px; max-width: 760px; padding: 18px 20px; border-radius: var(--radius-md);
  background: var(--color-accent-100); border: 1px solid var(--color-accent-200);
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
}
.ec-prog-guest[hidden] { display: none; }
.ec-prog-guest p { margin: 0; flex: 1 1 320px; font-size: 15px; line-height: 1.55; color: var(--color-accent-900); }
.ec-prog-guest-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.ec .ec-prog-guest .ec-btn { border: 0; cursor: pointer; min-height: 44px; padding: 0 20px; font-size: 14.5px; }
.ec .ec-prog-guest .ec-btn--ghost { border: 1.5px solid var(--color-accent-300); }

.ec-prog { padding-top: 36px; padding-bottom: 72px; display: grid; gap: 40px; }

.ec-prog-resume-card {
  --prog-couleur: var(--color-accent-500);
  position: relative; overflow: hidden; display: grid; gap: 10px; align-items: start;
  grid-template-columns: 1fr auto; padding: 28px 30px; border-radius: var(--radius-lg);
  background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300);
}
.ec-prog-resume-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--prog-couleur); }
.ec-prog-resume-card > * { grid-column: 1; }
.ec-prog-resume-kicker { margin: 0; font: 700 12px/1.4 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-2-700); }
.ec-prog-resume-card h2 { margin: 0; font-family: var(--font-heading); font-weight: 400; font-size: clamp(22px, 3vw, 30px); line-height: 1.18; color: var(--color-text); max-width: 30em; }
.ec-prog-resume-detail { margin: 0; color: var(--color-neutral-700); font-size: 15.5px; }
.ec .ec-prog-resume-btn { grid-column: 2; grid-row: 1 / span 4; align-self: center; min-height: 54px; padding: 0 32px; font-size: 16px; }
.ec-prog-resume-card .ec-prog-bar { max-width: 520px; margin-top: 4px; }

.ec-prog-bar { height: 8px; border-radius: 999px; background: var(--color-neutral-200); overflow: hidden; }
.ec-prog-bar span { display: block; height: 100%; border-radius: inherit; background: var(--prog-couleur, var(--color-accent-500)); transition: width .4s ease; }
.ec-prog-bar.is-small { height: 5px; max-width: 220px; margin-top: 8px; }

.ec-prog-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ec-prog-stat { padding: 18px 20px; border-radius: var(--radius-md); background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300); display: grid; gap: 4px; }
.ec-prog-stat strong { font-family: var(--font-heading); font-weight: 400; font-size: 28px; line-height: 1.1; color: var(--color-text); }
.ec-prog-stat span { font-size: 14px; color: var(--color-neutral-700); line-height: 1.4; }

.ec-prog-subjects { display: grid; gap: 18px; }
.ec-prog-subjects-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ec-prog-subjects-head h2 { margin: 0; font-family: var(--font-heading); font-weight: 400; font-size: 28px; }
.ec-prog-filter { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--color-neutral-200); flex-wrap: wrap; }
.ec-prog-filter button { border: 0; background: none; border-radius: 999px; min-height: 36px; padding: 0 16px; font: 600 14px var(--font-body); color: var(--color-neutral-700); cursor: pointer; }
.ec-prog-filter button[aria-pressed="true"] { background: #fff; color: var(--color-text); box-shadow: 0 1px 3px rgba(43, 38, 33, .12); }
#prog-matieres { display: grid; gap: 16px; }
.ec-prog-empty { margin: 0; padding: 20px; text-align: center; color: var(--color-neutral-700); border: 1px dashed var(--color-neutral-400); border-radius: var(--radius-md); }
.ec-prog-empty[hidden] { display: none; }

.ec-prog-subject { --prog-couleur: var(--color-accent-500); padding: 22px 24px 8px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--color-neutral-300); display: grid; gap: 14px; }
.ec-prog-subject-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ec-prog-subject-title h3 { margin: 0; font-family: var(--font-heading); font-weight: 400; font-size: 23px; display: flex; align-items: center; gap: 10px; }
.ec-prog-subject-title h3::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--prog-couleur); flex: none; }
.ec-prog-subject-title p { margin: 4px 0 0 22px; font-size: 14px; color: var(--color-neutral-700); }
.ec .ec-prog-next { display: grid; gap: 1px; padding: 10px 18px; border-radius: var(--radius-md); background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300); color: var(--color-text); text-decoration: none; max-width: 100%; }
.ec .ec-prog-next:hover { border-color: var(--prog-couleur); text-decoration: none; }
.ec-prog-next span { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-700); }
.ec-prog-next strong { font-size: 14.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 380px; }

.ec-prog-details { border-top: 1px solid var(--color-neutral-200); }
.ec-prog-details summary { cursor: pointer; padding: 12px 0; font-weight: 600; font-size: 14.5px; color: var(--color-neutral-700); list-style: none; display: flex; align-items: center; gap: 8px; }
.ec-prog-details summary::-webkit-details-marker { display: none; }
.ec-prog-details summary::before { content: ""; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform .2s; }
.ec-prog-details[open] summary::before { transform: rotate(45deg); }
.ec-prog-details[open] summary { color: var(--color-text); }
.ec-prog-theme { padding: 4px 0 14px; }
.ec-prog-theme-title { margin: 0 0 6px; font: 700 12px/1.4 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-neutral-700); }
.ec-prog-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.ec-prog-row { display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; align-items: center; padding: 10px 10px; border-radius: 14px; }
.ec-prog-row:hover { background: var(--color-neutral-100); }
.ec-prog-ico { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--color-neutral-400); display: grid; place-items: center; }
.ec-prog-row.is-en-cours .ec-prog-ico { border-color: var(--prog-couleur); background: conic-gradient(var(--prog-couleur) 0 50%, transparent 50% 100%); }
.ec-prog-row.is-termine .ec-prog-ico { border-color: var(--color-accent-2-600); background: var(--color-accent-2-600); }
.ec-prog-row.is-termine .ec-prog-ico::after { content: ""; width: 9px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg) translate(1px, -1px); }
.ec .ec-prog-row-title { font-weight: 600; font-size: 15.5px; color: var(--color-text); text-decoration: none; line-height: 1.35; }
.ec .ec-prog-row-title:hover { text-decoration: underline; color: var(--color-text); }
.ec-prog-row-meta { margin: 4px 0 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13.5px; color: var(--color-neutral-700); }
.ec-prog-badge { padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: .04em; background: var(--color-neutral-200); color: var(--color-neutral-700); white-space: nowrap; }
.ec-prog-badge.is-en-cours { background: var(--color-accent-100); color: var(--color-accent-800); }
.ec-prog-badge.is-termine, .ec-prog-badge.is-done { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.ec-prog-row-actions { display: flex; align-items: center; gap: 6px; }
.ec .ec-prog-go { min-height: 36px; padding: 0 16px; display: inline-flex; align-items: center; border-radius: 999px; border: 1.5px solid var(--color-neutral-400); font-size: 13.5px; font-weight: 700; color: var(--color-text); text-decoration: none; white-space: nowrap; }
.ec .ec-prog-go:hover { border-color: var(--prog-couleur); text-decoration: none; color: var(--color-text); }
.ec-prog-row.is-en-cours .ec-prog-go { background: var(--color-accent-700); border-color: var(--color-accent-700); color: var(--color-accent-100); }
.ec-prog-erase { border: 0; background: none; font: 500 13px var(--font-body); color: var(--color-neutral-600); cursor: pointer; padding: 6px; }
.ec-prog-erase:hover, .ec-prog-erase[data-confirm="1"] { color: #9a2c1e; text-decoration: underline; }

.ec-prog-reset { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--color-neutral-300); }
.ec-prog-reset p { margin: 0; color: var(--color-neutral-700); font-size: 14.5px; }
.ec-prog-reset-btn { border: 1.5px solid var(--color-neutral-400); background: #fff; border-radius: 999px; min-height: 42px; padding: 0 18px; font: 600 14px var(--font-body); color: var(--color-neutral-800); cursor: pointer; }
.ec-prog-reset-btn[data-confirm="1"] { border-color: #9a2c1e; color: #9a2c1e; }

@media (max-width: 700px) {
  .ec-prog-stats { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ec-prog { gap: 28px; padding-top: 24px; }
  .ec-prog-resume-card { grid-template-columns: 1fr; padding: 22px 20px 22px 24px; }
  .ec .ec-prog-resume-btn { grid-column: 1; grid-row: auto; justify-self: stretch; justify-content: center; margin-top: 6px; }
  .ec-prog-stat strong { font-size: 24px; }
  .ec-prog-subject { padding: 18px 16px 6px; }
  .ec-prog-next strong { max-width: 260px; }
  .ec-prog-row { grid-template-columns: 22px 1fr; padding: 10px 4px; }
  .ec-prog-row-actions { grid-column: 2; }
}

/* ── Bandeau « Reprendre » de l'accueil ────────────────────── */
.ec-home-resume { padding: 0 0 8px; }
.ec-home-resume[hidden] { display: none; }
.ec-home-resume-card { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 18px 22px; border-radius: var(--radius-lg); background: var(--color-accent-100); border: 1px solid var(--color-accent-200); }
.ec-home-resume-card div { flex: 1 1 280px; display: grid; gap: 2px; }
.ec-home-resume-card span { font: 700 12px/1.4 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-800); }
.ec-home-resume-card strong { font-size: 17px; color: var(--color-text); }
.ec .ec-home-resume-card .ec-btn { min-height: 46px; padding: 0 24px; }

/* ── Exercices en ligne dans un chapitre Organic ───────────── */
.ec-exos { margin: 64px 0 24px; padding-top: 40px; border-top: 1px solid var(--color-neutral-300); scroll-margin-top: 90px; }
.ec-exos h2 { margin: 0 0 10px; font-family: var(--font-heading); font-weight: 400; font-size: clamp(26px, 3.6vw, 34px); line-height: 1.1; }
.ec-exos-lede { margin: 0 0 26px; color: var(--color-neutral-700); font-size: 16px; line-height: 1.6; max-width: 40em; }
.ec-exos-wait { color: var(--color-neutral-700); }
.ec-exos #exercices-content { display: grid; gap: 18px; }
.ec-exos .exo-card { padding: 22px 24px; border-radius: 22px; background: #fff; border: 1px solid var(--color-neutral-300); scroll-margin-top: 110px; }
.ec-exos .exo-card.answered { background: var(--color-neutral-100); }
.ec-exos .exo-number { display: inline-block; margin-bottom: 10px; padding: 4px 11px; border-radius: 999px; background: var(--color-accent-100); color: var(--color-accent-800); font: 700 11px/1.2 var(--font-body); letter-spacing: .1em; text-transform: uppercase; }
.ec-exos .exo-question { margin: 0 0 16px; font-size: 16.5px; font-weight: 600; line-height: 1.5; color: var(--color-text); }
.ec-exos .exo-options { display: grid; gap: 10px; }
.ec-exos .exo-options-vf { grid-template-columns: 1fr 1fr; max-width: 360px; }
.ec-exos .exo-option {
  text-align: left; min-height: 48px; padding: 12px 16px; border-radius: 14px; border: 1.5px solid var(--color-neutral-400);
  background: #fff; font: 500 15.5px/1.45 var(--font-body); color: var(--color-text); cursor: pointer;
}
.ec-exos .exo-options-vf .exo-option { text-align: center; font-weight: 700; }
.ec-exos .exo-option:hover:not(:disabled) { border-color: var(--color-accent-500); background: var(--color-accent-100); }
.ec-exos .exo-option:disabled { cursor: default; }
.ec-exos .exo-option.correct { border-color: var(--color-accent-2-600); background: var(--color-accent-2-100); color: var(--color-accent-2-900); font-weight: 700; }
.ec-exos .exo-option.incorrect { border-color: #b8432f; background: #fbeae7; color: #7c2415; }
.ec-exos .exo-fillblank-sentence { font-size: 16.5px; line-height: 2.3; margin-bottom: 14px; }
.ec-exos .exo-blank-input {
  width: 150px; max-width: 100%; margin: 0 4px; padding: 4px 8px; border: 0; border-bottom: 2px solid var(--color-accent-500);
  background: var(--color-accent-100); border-radius: 6px 6px 0 0; font: 600 16px var(--font-body); color: var(--color-text); text-align: center;
}
.ec-exos .exo-blank-input:focus { outline: 2px solid var(--color-accent-500); outline-offset: 1px; }
.ec-exos .exo-blank-input.correct { border-color: var(--color-accent-2-600); background: var(--color-accent-2-100); color: var(--color-accent-2-900); }
.ec-exos .exo-blank-input.incorrect { border-color: #b8432f; background: #fbeae7; color: #7c2415; }
.ec-exos .exo-validate-btn { min-height: 44px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--color-accent-700); color: #fff; font: 700 15px var(--font-body); cursor: pointer; }
.ec-exos .exo-validate-btn:hover { background: var(--color-accent-600); }
.ec-exos .exo-feedback { margin-top: 14px; }
.ec-exos .exo-feedback-box { display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; border-radius: 14px; font-size: 15px; line-height: 1.55; }
.ec-exos .exo-feedback-box svg { flex: none; margin-top: 2px; }
.ec-exos .exo-feedback-box.correct { background: var(--color-accent-2-100); color: var(--color-accent-2-900); }
.ec-exos .exo-feedback-box.incorrect { background: #fbeae7; color: #7c2415; }
.ec-exos .static-course-progress-card {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 20px 22px; border-radius: 22px; background: var(--color-accent-100); border: 1px solid var(--color-accent-200);
}
.ec-exos .static-course-progress-card[data-state="completed"] { background: var(--color-accent-2-100); border-color: var(--color-accent-2-200); }
.ec-exos .static-course-progress-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: #fff; font: 700 11px/1.4 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-800); }
.ec-exos .static-course-progress-title { margin: 8px 0 2px; font-family: var(--font-heading); font-weight: 400; font-size: 20px; }
.ec-exos .static-course-progress-detail { margin: 0; color: var(--color-neutral-700); font-size: 14.5px; }
.ec-exos .static-course-progress-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ec-exos .static-course-progress-btn { min-height: 44px; padding: 0 20px; border: 0; border-radius: 999px; background: var(--color-accent-700); color: #fff; font: 700 14.5px var(--font-body); cursor: pointer; }
.ec .ec-exos .static-course-progress-secondary { font-weight: 600; font-size: 14.5px; color: var(--color-accent-800); }
@media (max-width: 640px) {
  .ec-exos .exo-card { padding: 18px 16px; }
  .ec-exos .exo-options-vf { max-width: none; }
}

/* Les grilles et tableaux larges des chapitres ne doivent jamais élargir la page :
   les tableaux défilent dans leur cadre (overflow-x: auto prévu par Claude Design). */
.ec-layout > .ec-article, .ec-article-body, .ec-article-body div, .ec-article-body li, .ec-article-body section { min-width: 0; }
.ec-article-body { overflow-wrap: break-word; }

/* --- Tableau de bord des statistiques (pages/admin/statistiques.html) ------ */
.ec-stats-acces { margin-top: 22px; }
.ec-stats-acces[hidden] { display: none; }
main.ec-stats { display: grid; gap: 22px; padding-top: 28px; padding-bottom: 56px; transition: opacity .2s ease; }
main.ec-stats[hidden] { display: none; }
main.ec-stats.is-loading { opacity: .55; }
.ec-stats-filtres { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.ec-stats-plage { margin: 0; font-size: 14px; color: var(--color-neutral-700); }

.ec-stats-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (min-width: 1100px) { .ec-stats-kpis { grid-template-columns: repeat(6, 1fr); } }
.ec-stats-kpi { padding: 18px 20px; border-radius: var(--radius-md); background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300); display: grid; gap: 6px; align-content: start; }
.ec-stats-kpi-libelle { font-size: 14px; color: var(--color-neutral-700); }
.ec-stats-kpi-valeur { font: 600 30px/1.1 var(--font-body); color: var(--color-text); }
.ec-stats-ecart { font-size: 13px; line-height: 1.4; color: var(--color-neutral-700); }
.ec-stats-fleche { margin-right: 4px; font-size: 11px; }
.ec-stats-ecart.is-hausse .ec-stats-fleche { color: var(--color-accent-2-700); }
.ec-stats-ecart.is-baisse .ec-stats-fleche { color: #9a3b2e; }

.ec-stats-carte { padding: 22px 24px; border-radius: var(--radius-lg); background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300); min-width: 0; }
.ec-stats-carte h2 { margin: 0 0 14px; font-family: var(--font-heading); font-weight: 400; font-size: 24px; line-height: 1.2; }
.ec-stats-carte-tete { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 18px; margin-bottom: 14px; }
.ec-stats-carte-tete h2 { margin: 0; }
.ec .ec-stats-sous-titre { margin: 26px 0 12px; font: 700 15px/1.3 var(--font-body); color: var(--color-text); }
.ec-stats-aide { margin: -6px 0 10px; font-size: 13px; color: var(--color-neutral-700); }
.ec-stats-vide { margin: 0; padding: 18px; text-align: center; font-size: 14px; color: var(--color-neutral-700); border: 1px dashed var(--color-neutral-400); border-radius: var(--radius-md); }

.ec-stats-courbe { position: relative; }
.ec-stats-courbe svg { display: block; width: 100%; height: auto; overflow: visible; }
.ec-stats-grille-ligne { stroke: var(--color-neutral-300); stroke-width: 1; }
.ec-stats-axe { font: 12px var(--font-body); fill: var(--color-neutral-700); font-variant-numeric: tabular-nums; }
.ec-stats-ligne { fill: none; stroke: var(--color-accent-600); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.ec-stats-aire { fill: var(--color-accent-600); fill-opacity: .1; stroke: none; }
.ec-stats-point { fill: var(--color-accent-600); stroke: var(--color-neutral-100); stroke-width: 2; }
.ec-stats-ligne.is-en-cours, .ec-stats-point.is-en-cours { opacity: .4; }
.ec-stats-etiquette { font: 600 13px var(--font-body); fill: var(--color-text); }
.ec-stats-reticule { stroke: var(--color-neutral-500); stroke-width: 1; }
.ec-stats-zone { cursor: crosshair; outline: none; }
.ec-stats-zone:focus-visible { stroke: var(--color-accent-600); stroke-width: 2; }
.ec-stats-bulle { position: absolute; transform: translateX(-50%); pointer-events: none; display: grid; gap: 2px; padding: 8px 12px; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--color-neutral-300); box-shadow: var(--shadow-md); white-space: nowrap; }
.ec-stats-bulle[hidden] { display: none; }
.ec-stats-bulle strong { font-size: 16px; color: var(--color-text); }
.ec-stats-bulle span { font-size: 12.5px; color: var(--color-neutral-700); }

.ec-stats-details { margin-top: 14px; }
.ec-stats-details summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--color-accent-700); }
.ec-stats-details[open] summary { margin-bottom: 10px; }
.ec-stats-table-cadre { overflow-x: auto; max-height: 520px; overflow-y: auto; border-radius: var(--radius-sm); }
.ec-stats-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ec-stats-table th, .ec-stats-table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--color-neutral-300); vertical-align: top; }
.ec-stats-table thead th { position: sticky; top: 0; background: var(--color-neutral-200); font-size: 13px; font-weight: 700; color: var(--color-neutral-800); z-index: 1; white-space: nowrap; }
.ec-stats-table tbody th { font-weight: 500; min-width: 210px; }
.ec-stats-table tfoot th, .ec-stats-table tfoot td { font-weight: 700; border-bottom: 0; border-top: 2px solid var(--color-neutral-400); }
.ec-stats-table .is-nombre { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ec-stats-table .is-zero { color: var(--color-neutral-500); }
.ec-stats-table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }
.ec-stats-tri { border: 0; background: none; padding: 0; font: inherit; color: inherit; cursor: pointer; }
.ec-stats-tri:hover { color: var(--color-accent-700); }
.ec-stats-chapitre { display: block; }
.ec-stats-matiere { display: block; margin-top: 2px; font-size: 12.5px; color: var(--color-neutral-700); }
.ec-stats-select { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; font-size: 14px; font-weight: 600; color: var(--color-neutral-800); }
.ec-stats-select select { min-width: 0; max-width: 100%; flex: 1; min-height: 38px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--color-neutral-400); background: #fff; font: 500 14px var(--font-body); color: var(--color-text); }

.ec-stats-grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.ec-stats-barres { display: grid; gap: 12px; }
.ec-stats-barre { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.ec-stats-barre-libelle { font-size: 14px; color: var(--color-text); overflow-wrap: anywhere; }
.ec-stats-barre-valeur { font-size: 13px; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ec-stats-barre-piste { grid-column: 1 / -1; grid-row: 2; height: 10px; }
.ec-stats-jauge { display: block; height: 100%; border-radius: 0 4px 4px 0; background: var(--color-accent-600); }

.ec-stats-methode ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: 14.5px; line-height: 1.55; color: var(--color-neutral-800); }
.ec-stats-ignorer { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--color-neutral-300); font-size: 14.5px; cursor: pointer; }
.ec-stats-ignorer input { margin-top: 3px; accent-color: var(--color-accent-600); }

@media (max-width: 640px) {
  .ec-stats-carte { padding: 18px 16px; }
  .ec-stats-kpis { grid-template-columns: repeat(2, 1fr); }
  .ec-stats-kpi-valeur { font-size: 24px; }
}


/* --- Boutique « Fiches & corrigés » (refonte 1b) ------------------------- */
.ec-shop-intro { padding-top: 40px; }
.ec-shop-intro h1 { max-width: 16em; font: 400 clamp(29px, 5vw, 46px)/1.1 var(--font-heading); color: var(--color-text); text-wrap: balance; }
.ec-shop-doors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.ec-shop-door { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 12px; align-items: center; text-align: left; min-height: 260px; padding: 30px 28px 30px 34px; border-radius: 32px; cursor: pointer; font-family: var(--font-body); border: 2.5px solid transparent; }
.ec-shop-door--eleve { --door-tint: var(--color-accent-100); --door-ink: var(--color-accent-700); }
.ec-shop-door--prof { --door-tint: var(--color-accent-2-100); --door-ink: var(--color-accent-2-800); }
.ec-shop-door { background: var(--door-tint); }
.ec-shop-door:hover { border-color: color-mix(in oklch, var(--door-ink) 40%, transparent); }
.ec-shop-door[aria-pressed="true"] { border-color: var(--door-ink); }
.ec-shop-door-text { display: flex; flex-direction: column; gap: 8px; }
.ec-shop-door-kicker { font: 700 12px/1.4 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--door-ink); }
.ec-shop-door-title { font: 400 34px/1.1 var(--font-heading); color: var(--color-text); }
.ec-shop-door-desc { font-size: 15px; line-height: 1.5; color: var(--color-neutral-700); max-width: 30ch; }
.ec-shop-door-price { display: flex; align-items: baseline; gap: 8px; margin-top: 8px; font-size: 14px; color: var(--color-neutral-700); }
.ec-shop-door-price strong { font: 400 36px/1 var(--font-heading); color: var(--door-ink); }
.ec-shop-door-cta { align-self: flex-start; margin-top: 10px; display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px; border-radius: 999px; font: 600 14px/1 var(--font-body); background: #fff; color: var(--color-text); }
.ec-shop-door[aria-pressed="true"] .ec-shop-door-cta { background: var(--door-ink); color: var(--color-neutral-100); }
.ec-shop-door-fan { position: relative; height: 200px; }
.ec-shop-door-fan img { position: absolute; left: 50%; top: 14px; width: 124px; height: 168px; margin-left: -62px; object-fit: cover; object-position: top; border-radius: 8px; box-shadow: var(--shadow-md); transform: translateX(var(--x)) rotate(var(--r)); }

.ec-shop-bar { margin-top: 36px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ec-shop-filter { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--color-neutral-200); flex-wrap: wrap; }
.ec-shop-filter button { border: 0; background: none; border-radius: 999px; min-height: 40px; padding: 0 18px; font: 600 14px var(--font-body); color: var(--color-neutral-700); cursor: pointer; }
.ec-shop-filter button:hover { color: var(--color-text); }
.ec-shop-filter button[aria-pressed="true"] { background: #fff; color: var(--color-text); box-shadow: var(--shadow-sm); }
.ec-shop-trust { display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 14px; color: var(--color-neutral-700); }
.ec-shop-trust span { display: inline-flex; align-items: center; gap: 8px; }
.ec-shop-trust svg { color: var(--color-accent-2-700); }

.ec-shop-list { padding-bottom: 72px; }
.ec-shop-section { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.ec-shop-section[hidden] { display: none; }
.ec-shop-section-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.ec-shop-section-head h2 { font: 400 27px/1.1 var(--font-heading); color: var(--color-text); }
.ec-shop-section-head span { font-size: 14px; color: var(--color-neutral-700); }

.ec-shop-pack { display: grid; grid-template-columns: 130px minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 16px 26px 16px 18px; border-radius: 24px; background: var(--color-accent-2-800); color: var(--color-neutral-100); }
.ec-shop-pack-fan { position: relative; height: 100px; }
.ec-shop-pack-fan img { position: absolute; top: 6px; left: var(--l); width: 64px; height: 86px; object-fit: cover; object-position: top; border-radius: 6px; box-shadow: var(--shadow-md); transform: rotate(var(--r)); }
.ec-shop-pack-text { display: flex; flex-direction: column; gap: 3px; }
.ec-shop-pack-kicker { font: 700 12px/1.4 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-2-200); }
.ec-shop-pack-title { font: 400 22px/1.2 var(--font-heading); color: var(--color-neutral-100); }
.ec-shop-pack-desc { font-size: 14px; color: var(--color-accent-2-100); }
.ec-shop-pack-buy { display: flex; align-items: center; gap: 16px; }
.ec-shop-pack-buy s { font-size: 15px; color: var(--color-accent-2-200); }
.ec-shop-pack-buy strong { font: 400 28px/1 var(--font-heading); color: var(--color-neutral-100); }
.ec a.ec-shop-pack-btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 22px; border-radius: 999px; background: var(--color-neutral-100); color: var(--color-accent-2-800); font: 600 14px/1 var(--font-body); }
.ec a.ec-shop-pack-btn:hover { background: #fff; color: var(--color-accent-2-900); text-decoration: none; }

.ec-shop-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 22px; align-items: center; padding: 14px 22px 14px 14px; background: #fff; border: 1px solid var(--color-neutral-300); border-radius: 24px; }
.ec-shop-row:hover { border-color: var(--color-accent-300); }
.ec-shop-row > img { display: block; width: 92px; height: 116px; object-fit: cover; object-position: top; border-radius: 10px; border: 1px solid var(--color-neutral-300); }
.ec-shop-row-text { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.ec-shop-row-label { font: 700 12px/1.4 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-2-700); }
.ec-shop-row h3 { font: 600 17px/1.35 var(--font-body); color: var(--color-text); text-wrap: pretty; }
.ec-shop-row-meta { font-size: 13.5px; color: var(--color-neutral-700); }
.ec-shop-row-buy { display: flex; align-items: center; gap: 18px; }
.ec-shop-row-buy strong { font: 400 24px/1 var(--font-heading); color: var(--color-text); }
.ec-shop-note { margin: 48px 0 0; font-size: 14.5px; line-height: 1.55; color: var(--color-neutral-700); max-width: 70ch; }

@media (max-width: 1100px) {
  .ec-shop-doors { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .ec-shop-door { grid-template-columns: minmax(0, 1fr) 150px; min-height: 0; padding: 24px; }
  .ec-shop-door-title { font-size: 28px; }
  .ec-shop-door-fan { height: 150px; }
  .ec-shop-door-fan img { width: 92px; height: 124px; margin-left: -46px; }
  .ec-shop-pack { grid-template-columns: minmax(0, 1fr); }
  .ec-shop-pack-fan { display: none; }
  .ec-shop-pack-buy { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .ec-shop-door { grid-template-columns: 1fr; }
  .ec-shop-door-fan { display: none; }
  .ec-shop-row { grid-template-columns: 64px minmax(0, 1fr); gap: 14px; padding: 12px; }
  .ec-shop-row > img { width: 64px; height: 82px; }
  .ec-shop-row-buy { grid-column: 1 / -1; justify-content: space-between; }
}

/* Accès enseignant 1 an (bandeau en tête de la partie enseignant) et rappel dans la porte. */
.ec-shop-door-alt { font-size: 14px; color: var(--color-neutral-700); }
.ec-shop-door-alt strong { color: var(--door-ink); }
.ec-shop-annuel { background: var(--color-accent-800); }
.ec-shop-annuel .ec-shop-pack-kicker { color: var(--color-accent-200); }
.ec-shop-annuel .ec-shop-pack-desc { color: var(--color-accent-100); }
.ec-shop-annuel .ec-shop-pack-buy s { color: var(--color-accent-200); }
.ec a.ec-shop-pack-btn.ec-shop-annuel-btn { color: var(--color-accent-800); }
.ec a.ec-shop-pack-btn.ec-shop-annuel-btn:hover { color: var(--color-accent-900); }
.ec a.ec-shop-pack-btn.is-unlocked, .ec a.ec-btn.is-unlocked { box-shadow: inset 0 0 0 2px currentColor; }
.ec-shop-annuel-note { margin: -2px 0 6px; font-size: 13.5px; color: var(--color-neutral-700); }

/* --- Page À propos ---------------------------------------------------------------- */

.ec-about-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; counter-reset: etape; }
.ec-about-step {
  counter-increment: etape; display: flex; flex-direction: column; gap: 10px; padding: 24px;
  border: 1px solid var(--color-neutral-300); border-radius: var(--radius-lg); background: var(--color-neutral-100);
}
.ec-about-step::before {
  content: counter(etape); display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 999px; background: var(--color-accent-2-700);
  font: 400 18px/1 var(--font-heading); color: #fff;
}
.ec-about-step h3 { font: 400 21px/1.2 var(--font-heading); color: var(--color-text); }
.ec-about-step p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--color-neutral-700); }
.ec-about-note { margin: 22px 0 0; font-size: 14.5px; line-height: 1.6; color: var(--color-neutral-700); }
.ec-about-note a { font-weight: 600; }
.ec-about-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px 40px; margin: 0; padding: 0; list-style: none; }
.ec-about-list li { padding: 18px 0 0; border-top: 1px solid var(--color-neutral-300); }
.ec-about-list b { display: block; margin-bottom: 6px; font-size: 16px; color: var(--color-text); }
.ec-about-list p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--color-neutral-700); }
@media (max-width: 760px) {
  .ec-about-list { grid-template-columns: 1fr; }
  .ec-docs.ec-about-offer { padding: 24px; }
}

/* --- Page Contact (le formulaire garde les classes lues par initContactForm, app.js) --- */

.ec-contact { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 32px; align-items: start; padding: 44px 0 70px; }
.ec-form { display: flex; flex-direction: column; gap: 18px; padding: 30px; border: 1px solid var(--color-neutral-300); border-radius: var(--radius-lg); background: var(--color-neutral-100); }
.ec-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.ec-form-field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.ec-form-field label { font-size: 14px; font-weight: 600; color: var(--color-text); }
.ec-form-field label small { font-weight: 400; color: var(--color-neutral-700); }
.ec-form .form-input {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--color-neutral-300); border-radius: var(--radius-md);
  background: #fff; font: inherit; font-size: 15.5px; color: var(--color-text);
}
.ec-form textarea.form-input { min-height: 160px; resize: vertical; line-height: 1.55; }
.ec-form .form-input:focus { outline: none; border-color: var(--color-accent-500); box-shadow: 0 0 0 3px var(--color-accent-200); }
.ec-form .form-input.error { border-color: #b4574b; }
.ec-form .form-error { min-height: 0; font-size: 13px; font-weight: 600; color: #8d443c; }
.ec-form .form-error:empty { display: none; }
.ec-form button[type="submit"] { justify-content: center; gap: 9px; min-height: 52px; font-size: 16px; }
.ec-form button[disabled] { opacity: .7; cursor: wait; }
.ec-form-note { margin: 0; font-size: 13px; line-height: 1.55; color: var(--color-neutral-700); }
.form-feedback { align-items: flex-start; gap: 10px; padding: 14px 16px; border-radius: var(--radius-md); font-size: 15px; line-height: 1.5; }
.form-feedback svg { flex: none; margin-top: 2px; }
.form-feedback.success { background: var(--color-accent-2-200); color: var(--color-accent-2-700); }
.form-feedback.error-fb { background: #f6e4e0; color: #8d443c; }
.ec-form .spin { animation: ec-tourne 1s linear infinite; }
@keyframes ec-tourne { to { transform: rotate(360deg); } }
.ec-contact-aside { display: flex; flex-direction: column; gap: 18px; }
.ec-contact-aside .ec-card { display: flex; flex-direction: column; gap: 10px; }
.ec-contact-mail { font-size: 17px; font-weight: 700; overflow-wrap: anywhere; }
.ec-contact-aside dl { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.ec-contact-aside dt { font-size: 14.5px; font-weight: 700; color: var(--color-text); }
.ec-contact-aside dd { margin: 3px 0 0; font-size: 14px; line-height: 1.55; color: var(--color-neutral-700); }
.ec-contact-aside p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--color-neutral-700); }
@media (max-width: 900px) {
  .ec-contact { grid-template-columns: 1fr; padding-top: 30px; }
}
@media (max-width: 560px) {
  .ec-form { padding: 20px; }
  .ec-form-row { grid-template-columns: 1fr; }
}

/* Encadré « texte + image à droite » des chapitres (grille « minmax(0,1fr) 170px ») :
   sur téléphone, l'image passe sous le texte au lieu de l'écraser dans une colonne étroite. */
@media (max-width: 640px) {
  .ec-article-body div[style*="grid-template-columns:minmax(0,1fr) "] { grid-template-columns: minmax(0, 1fr) !important; }
  .ec-article-body div[style*="grid-template-columns:minmax(0,1fr) "] > :last-child { max-width: 280px; }
  /* Cartes côte à côte, QR code à gauche du texte, lignes « intitulé 150px | texte » : une seule colonne. */
  .ec-article-body div[style*="grid-template-columns:1fr 1fr"],
  .ec-article-body div[style*="grid-template-columns:auto minmax(0,1fr)"],
  .ec-article-body div[style*="grid-template-columns:150px minmax(0,1fr)"],
  .ec-article-body div[style*="grid-template-columns:minmax(0,1."]:not([style*="px minmax"]) { grid-template-columns: minmax(0, 1fr) !important; }
  /* Tableaux des chapitres (cases à cocher, comparaisons) : en-têtes compacts qui peuvent se couper. */
  .ec-article-body .table th { font-size: 9.5px; letter-spacing: 0; hyphens: auto; overflow-wrap: anywhere; }
  .ec-article-body .table th, .ec-article-body .table td { padding: 6px 5px; }
}