/* Pages publiques du cours de génie climatique. */

body.cours-public {
  background: #F6F3EC;
  color: #14191C;
}

body.cours-public .app-container,
body.cours-public header.bg-white {
  background: #F6F3EC;
}

body.cours-public header.bg-white {
  box-shadow: none;
}

.cours-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 20px 48px;
  min-width: 0;
}

.cours-banner {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 8px;
  border-radius: 5px;
  background: #D7F3EF;
  color: #0A5C57;
  font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
}

.cours-wrap h1,
.ch h1,
.cours-banner,
.cours-lead,
.ch-kicker,
.cours-back-row {
  margin-left: 0;
  margin-right: 0;
}

.cours-wrap h1,
.ch h1 {
  font-family: var(--livre-serif, Georgia, serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 10px;
  padding: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.cours-back {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  color: #0A5C57;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cours-card {
  background: #fff;
  border: 1px solid #DDD6C7;
  border-radius: 14px;
  padding: 18px 20px 20px;
  margin-top: 22px;
}

.cours-lead,
.ch-lead {
  font-family: var(--livre-serif, Georgia, serif);
  font-size: 1.15rem;
  line-height: 1.5;
  color: #3A4449;
}

.cours-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.cours-actions a,
.cours-btn-ghost {
  background: #0C6E68;
  color: #fff;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.cours-actions a.cours-btn-ghost {
  background: transparent;
  color: #0C6E68;
  border: 1px solid #0C6E68;
}

.cours-toc {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.cours-toc li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
}

.cours-toc a {
  color: #14191C;
  font-weight: 650;
}

.cours-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
}

.cours-nav a {
  color: #0A5C57;
  font-weight: 700;
  max-width: 46%;
}

.cours-nav a:last-child {
  text-align: right;
  margin-left: auto;
}

.cours-figure-title {
  font-weight: 700;
}

.cours-fiche {
  line-height: 1.55;
}

.cours-fiche h1,
.cours-fiche h2,
.cours-fiche h3 {
  font-family: var(--livre-serif, Georgia, serif);
  font-weight: 700;
  line-height: 1.25;
  color: #14191C;
}

.cours-fiche h1 {
  font-size: 1.55rem;
  margin: 0 0 0.7rem;
}

.cours-fiche h2 {
  font-size: 1.28rem;
  margin: 1.75rem 0 0.6rem;
}

.cours-fiche h3 {
  font-size: 1.08rem;
  margin: 1.35rem 0 0.45rem;
}

.cours-fiche h1:first-child,
.cours-fiche h2:first-child,
.cours-fiche h3:first-child {
  margin-top: 0;
}

.cours-fiche p,
.cours-fiche ul,
.cours-fiche ol {
  margin: 0.2rem 0 0.8rem;
}

.cours-body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  min-width: 0;
}

body.cours-public article.cours-wrap > p,
body.cours-public article.cours-wrap > h1,
body.cours-public article.cours-wrap > div.cours-body,
body.cours-public article.cours-wrap > section.cours-fiche,
body.cours-public article.cours-wrap > nav.cours-nav {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.cours-fiche table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin: 12px 0;
}

.cours-fiche th,
.cours-fiche td {
  border: 1px solid #DDD6C7;
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
}

.cours-actions a {
  background: #0C6E68;
  color: #fff;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.cours-notify {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.cours-notify input[type="email"] {
  border: 1px solid #C9C1B2;
  background: #fff;
  color: #14191C;
  border-radius: 8px;
  padding: 9px 12px;
  flex: 1 1 16rem;
  min-width: 0;
  max-width: 100%;
}

.cours-note,
.cours-notify [data-course-notify-status] {
  flex-basis: 100%;
  margin: 0;
  color: #3A4449;
  font-size: 14px;
}

.cours-progress {
  margin-top: 22px;
}

.cours-parts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cours-part {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr) 3.25rem;
  gap: 12px;
  align-items: center;
  padding: 6px 0;
  min-width: 0;
}

.cours-part > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.cours-part em {
  font-style: normal;
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cours-part .track {
  display: block;
  height: 8px;
  background: #DDD6C7;
  border-radius: 2px;
  overflow: hidden;
}

.cours-part .track i {
  display: block;
  height: 100%;
  background: #0C6E68;
}

.ch,
.cours-body {
  margin-top: 12px;
}

.ch h2,
.cours-body h2 {
  font-family: var(--livre-serif, Georgia, serif);
  font-size: 1.45rem;
  margin: 1.4rem 0 0.4rem;
}

.ch p,
.ch li,
.ch dd,
.cours-body p,
.cours-body li,
.cours-body dd {
  line-height: 1.55;
  font-size: 1.02rem;
}

.ch .eq,
.cours-body .eq {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #fff;
  border: 1px solid #DDD6C7;
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-width: 100%;
  min-width: 0;
}

.ch-tab {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin: 12px 0;
  table-layout: fixed;
}

.ch-tab th,
.ch-tab td {
  border: 1px solid #DDD6C7;
  padding: 6px 8px;
  text-align: right;
  overflow-wrap: anywhere;
}

.ch-tab th:first-child,
.ch-tab td:first-child {
  text-align: left;
}

.ch-note,
.ch-src {
  color: #3A4449;
  font-size: 0.95rem;
}

.cours-figure {
  margin: 16px 0;
  background: #111416;
  border-radius: 12px;
  overflow: hidden;
}

.cours-figure iframe {
  display: block;
  width: 100%;
  min-height: 520px;
  border: 0;
  background: #0b0b0b;
}

.cours-figure figcaption {
  color: #C5CDD1;
  padding: 10px 14px 14px;
  font-size: 14px;
}

@media (max-width: 640px) {
  .cours-part {
    grid-template-columns: minmax(0, 1fr) 3.25rem;
    grid-template-areas: "label label" "bar count";
    gap: 4px 12px;
  }

  .cours-part > span:first-child {
    grid-area: label;
  }

  .cours-part .track {
    grid-area: bar;
  }

  .cours-part em {
    grid-area: count;
  }

  .cours-figure iframe {
    min-height: 420px;
  }
}

@media (max-width: 768px) {
  body.cours-public .app-container {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    max-width: 100%;
  }

  body.cours-public .app-container > main {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    padding-top: 76px;
    box-sizing: border-box;
  }

  body.cours-public .cours-wrap,
  body.cours-public .ch,
  body.cours-public .cours-body,
  body.cours-public .ch p,
  body.cours-public .ch li,
  body.cours-public .ch dd,
  body.cours-public .cours-body p,
  body.cours-public .cours-body li,
  body.cours-public footer {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  body.cours-public footer .flex,
  body.cours-public footer ul,
  body.cours-public footer .grid {
    min-width: 0;
    max-width: 100%;
    flex-wrap: wrap;
  }
}

.cours-demo h2 { margin: 0 0 6px; }
.cours-demo-lead { margin: 0 0 14px; color: #3D4A4F; font-size: 15px; line-height: 1.5; }
.cours-demo-link { margin: 12px 0 0; font-size: 14px; }
.cours-demo-link a { color: #0A5C57; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------------
   Typographie du livre, hors du livre.
   Les pages /cours et /cours/chapitre-N reprennent la police, l'encre
   et le rythme de l'ouvrage relié (EB Garamond 12, encre brune, accent
   brique), adaptés à une colonne de lecture à l'écran.
   ------------------------------------------------------------------ */

@font-face {
  font-family: "Livre Garamond";
  src: url("../fonts/livre/EBGaramond12-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Livre Garamond";
  src: url("../fonts/livre/EBGaramond12-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Livre Garamond";
  src: url("../fonts/livre/Pagella-radical.woff2") format("woff2");
  unicode-range: U+221A;
  font-display: swap;
}

body.cours-public {
  --livre-serif: "Livre Garamond", "EB Garamond", Garamond, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --livre-ink: #24211D;
  --livre-ink-2: #4D4740;
  --livre-rule: rgba(60, 50, 35, 0.22);
  --livre-accent: #A4372A;
  --livre-box: #FBF7EE;
  --livre-link: #0A5C57;
  background: #F6F1E6;
}

body.cours-public .app-container,
body.cours-public header.bg-white {
  background: #F6F1E6;
}

.cours-wrap {
  max-width: 44rem;
  padding: 28px 24px 72px;
  color: var(--livre-ink);
  font-family: var(--livre-serif);
  font-feature-settings: "kern", "liga", "lnum";
}

.cours-back-row {
  margin: 0 0 28px;
}

.cours-back {
  margin: 0;
  color: var(--livre-link);
  font: 600 13px/1.2 var(--livre-serif);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.cours-back::before {
  content: "\2190\00a0";
}

.cours-back:hover {
  text-decoration: underline;
}

.ch-kicker,
.cours-wrap > .ch-kicker {
  margin: 0 0 14px;
  color: var(--livre-accent);
  font: 400 13px/1.3 var(--livre-serif);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.cours-wrap h1,
.ch h1 {
  font: 400 clamp(2.4rem, 5.2vw, 3.4rem)/1.05 var(--livre-serif);
  letter-spacing: -0.01em;
  color: var(--livre-ink);
  margin: 0 0 18px;
}

.cours-lead,
.ch-lead {
  font: italic 400 clamp(1.2rem, 2.2vw, 1.4rem)/1.45 var(--livre-serif);
  color: var(--livre-ink-2);
  margin: 0 0 8px;
  max-width: 38em;
}

.ch,
.cours-body {
  margin-top: 8px;
}

.ch p,
.ch li,
.ch dd,
.cours-body p,
.cours-body li,
.cours-body dd {
  font-family: var(--livre-serif);
  font-size: 1.22rem;
  line-height: 1.55;
  color: var(--livre-ink);
}

.ch p,
.cours-body p {
  margin: 0 0 0.85em;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.ch b,
.cours-body b,
.cours-fiche b,
.cours-fiche strong {
  font-weight: 400;
  color: var(--livre-ink);
  text-shadow: 0.35px 0 0 currentColor;
}

.ch h2,
.cours-body h2 {
  font: 400 1.75rem/1.15 var(--livre-serif);
  color: var(--livre-ink);
  margin: 1.9em 0 0.5em;
  padding-top: 0.9em;
  border-top: 1px solid var(--livre-rule);
}

.ch h3,
.cours-body h3 {
  font: italic 400 1.3rem/1.25 var(--livre-serif);
  color: var(--livre-accent);
  margin: 1.2em 0 0.4em;
}

.ch .eq,
.cours-body .eq {
  font: 400 1.2rem/1.55 var(--livre-serif);
  font-variant-numeric: lining-nums tabular-nums;
  background: var(--livre-box);
  border: 0;
  border-block: 1px solid var(--livre-rule);
  border-radius: 0;
  padding: 12px 18px;
  margin: 0.4em 0 1em;
  white-space: pre-wrap;
  overflow-x: auto;
  overflow-wrap: normal;
}

.eq-in {
  font-variant-numeric: lining-nums;
  white-space: nowrap;
}

.ch ul,
.ch ol,
.cours-body ul,
.cours-body ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

.ch li,
.cours-body li {
  margin: 0 0 0.35em;
}

.ch-steps li::marker {
  color: var(--livre-accent);
}

.ch-keep {
  list-style: none;
  padding: 16px 20px !important;
  background: var(--livre-box);
  border-block: 1px solid var(--livre-rule);
}

.ch-keep li::before {
  content: "\2014\00a0";
  color: var(--livre-accent);
}

.ch-defs {
  margin: 0 0 1.2em;
}

.ch-defs dt {
  font: italic 400 1.22rem/1.4 var(--livre-serif);
  color: var(--livre-accent);
  margin-top: 0.7em;
}

.ch-defs dd {
  margin: 0.1em 0 0 1.2em;
}

.ch-tab {
  font-family: var(--livre-serif);
  font-size: 1.05rem;
  font-variant-numeric: lining-nums tabular-nums;
  background: transparent;
  border-collapse: collapse;
  border-block: 1px solid var(--livre-ink-2);
  margin: 0.6em 0 1.2em;
}

.ch-tab th,
.ch-tab td {
  border: 0;
  border-bottom: 1px solid var(--livre-rule);
  padding: 6px 10px;
}

.ch-tab th {
  font-weight: 400;
  font-style: italic;
  color: var(--livre-ink-2);
  border-bottom: 1px solid var(--livre-ink-2);
}

.ch-note,
.ch-src,
.ch .ch-note,
.ch .ch-src,
.cours-body .ch-note,
.cours-body .ch-src {
  color: var(--livre-ink-2);
  font-size: 1.02rem;
  line-height: 1.5;
}

.ch-src,
.cours-body .ch-src {
  margin-top: 2em;
  padding-top: 0.8em;
  border-top: 1px solid var(--livre-rule);
}

.ch a,
.cours-body a {
  color: var(--livre-link);
  text-underline-offset: 3px;
}

.cours-figure {
  margin: 1.4em 0 1.6em;
  background: transparent;
  border-radius: 0;
  overflow: visible;
}

.cours-figure iframe {
  border: 1px solid var(--livre-rule);
  border-radius: 4px;
}

.cours-figure figcaption {
  color: var(--livre-ink-2);
  font: italic 400 1.05rem/1.4 var(--livre-serif);
  padding: 10px 2px 0;
}

.cours-card {
  background: var(--livre-box);
  border: 0;
  border-block: 1px solid var(--livre-rule);
  border-radius: 0;
  padding: 22px 24px 24px;
  margin-top: 36px;
}

.cours-card h2 {
  font: 400 1.6rem/1.15 var(--livre-serif);
  margin: 0 0 12px;
}

.cours-fiche,
.cours-fiche p,
.cours-fiche li,
.cours-fiche td,
.cours-fiche th {
  font-family: var(--livre-serif);
  font-size: 1.12rem;
  line-height: 1.5;
}

.cours-fiche h1,
.cours-fiche h2,
.cours-fiche h3 {
  font-family: var(--livre-serif);
  font-weight: 400;
}

.cours-fiche h3 {
  font-style: italic;
  color: var(--livre-accent);
}

.cours-fiche table {
  background: transparent;
}

.cours-fiche th,
.cours-fiche td {
  border: 0;
  border-bottom: 1px solid var(--livre-rule);
}

.cours-actions {
  margin: 28px 0 8px;
}

.cours-actions a,
.cours-btn-ghost {
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  border-radius: 6px;
  padding: 10px 18px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  background: var(--livre-ink);
  color: #FBF7EE;
}

.cours-actions a.cours-btn-ghost {
  background: transparent;
  color: var(--livre-ink);
  border: 1px solid var(--livre-ink-2);
}

.cours-nav {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--livre-rule);
  font-family: var(--livre-serif);
}

.cours-nav a {
  color: var(--livre-link);
  font: italic 400 1.12rem/1.35 var(--livre-serif);
  text-decoration: none;
}

.cours-nav a:hover {
  text-decoration: underline;
}

.cours-nav a:first-child:not(:last-child)::before {
  content: "\2190\00a0";
}

.cours-nav a:last-child::after {
  content: "\00a0\2192";
}

.cours-toc a,
.cours-part > span:first-child {
  font-family: var(--livre-serif);
  font-size: 1.12rem;
  font-weight: 400;
}

.cours-part em {
  font-family: var(--livre-serif);
  font-variant-numeric: lining-nums tabular-nums;
}

.cours-part .track i {
  background: var(--livre-accent);
}

.cours-demo-lead,
.cours-note {
  font-family: var(--livre-serif);
  font-size: 1.08rem;
  color: var(--livre-ink-2);
}

@media (max-width: 640px) {
  .cours-wrap {
    padding: 18px 18px 56px;
  }

  .ch p,
  .ch li,
  .ch dd,
  .cours-body p,
  .cours-body li,
  .cours-body dd {
    font-size: 1.14rem;
  }

  .ch .eq,
  .cours-body .eq {
    font-size: 1.08rem;
    padding: 10px 12px;
  }

  .cours-card {
    padding: 18px 16px 20px;
  }

  .cours-nav {
    flex-direction: column;
  }

  .cours-nav a,
  .cours-nav a:last-child {
    max-width: 100%;
    text-align: left;
    margin-left: 0;
  }
}


/* Fiche de révision : listes lisibles et équations clés en blocs numérotés.
   Le texte vient de la fiche ; route_groups/course_public.structure_key_equations pose la structure. */
.cours-fiche ul:not(.ch-eqs) {
  list-style: disc;
  padding-left: 1.3em;
}

.cours-fiche ul:not(.ch-eqs) > li {
  margin: 0 0 0.45em;
  padding-left: 0.15em;
}

.cours-fiche ul:not(.ch-eqs) > li::marker {
  color: var(--livre-accent, #A4372A);
}

.cours-fiche ol.ch-eqs {
  counter-reset: ch-eq;
  list-style: none;
  margin: 0.6em 0 1.4em;
  padding: 0;
  border-top: 1px solid var(--livre-rule, rgba(60, 50, 35, 0.22));
}

.cours-fiche .ch-eq {
  counter-increment: ch-eq;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin: 0;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--livre-rule, rgba(60, 50, 35, 0.22));
}

.cours-fiche .ch-eq-f {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  background: var(--livre-box, #FBF7EE);
  border: 1px solid var(--livre-rule, rgba(60, 50, 35, 0.22));
  border-radius: 4px;
  font: 400 1.28rem/1.4 var(--livre-serif, Georgia, serif);
  font-variant-numeric: lining-nums;
  color: var(--livre-ink, #24211D);
  overflow-x: auto;
}

.cours-fiche .ch-eq-f::after {
  content: "(" counter(ch-eq) ")";
  flex: none;
  font-size: 0.95rem;
  color: var(--livre-ink-2, #4D4740);
}

.cours-fiche .ch-eq-say {
  margin: 4px 0 0;
}

.cours-fiche .ch-eq-say::first-letter {
  text-transform: uppercase;
}

.cours-fiche .ch-eq-where {
  margin: 0;
  font-size: 0.94em;
  line-height: 1.5;
  color: var(--livre-ink-2, #4D4740);
}

.cours-fiche .ch-eq-where::before {
  content: "où ";
  font-style: italic;
  color: var(--livre-accent, #A4372A);
}

@media (max-width: 640px) {
  .cours-fiche .ch-eq-f {
    font-size: 1.12rem;
    padding: 8px 12px;
  }
}

/* La fiche garde sa marge intérieure : la règle d'alignement de la colonne la mettait à 0. */
body.cours-public article.cours-wrap > section.cours-fiche.cours-card {
  padding-left: 24px !important;
  padding-right: 24px !important;
}

@media (max-width: 640px) {
  body.cours-public article.cours-wrap > section.cours-fiche.cours-card {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}