/* ============================================================
   BASDWEBPRO COURSES - lecture moderne et responsive
============================================================ */
.course-hero,
.course-detail-hero{
  position:relative;
  overflow:hidden;
  padding:78px 0;
  background:linear-gradient(135deg,#f8fbff 0%,#edf5ff 58%,#fff 100%);
  border-bottom:1px solid #dfe7f1;
}

.course-hero::before,
.course-detail-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 12% 8%,rgba(7,87,216,.16),transparent 32%),
             radial-gradient(circle at 88% 20%,rgba(21,184,232,.14),transparent 28%);
  pointer-events:none;
}

.course-hero__grid,
.course-detail-hero__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 390px;
  gap:42px;
  align-items:center;
}

.course-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid #cfe0ff;
  border-radius:999px;
  background:#e9f1ff;
  color:#0757d8;
  font-size:12px;
  font-weight:1000;
  text-transform:uppercase;
}

.course-hero h1,
.course-detail-hero h1{
  margin:18px 0;
  color:#061226;
  font-size:clamp(42px,6vw,78px);
  line-height:.98;
  letter-spacing:0;
}

.course-hero p,
.course-detail-hero p{
  max-width:850px;
  color:#334155;
  font-size:20px;
  line-height:1.68;
}

.course-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

.course-hero-card,
.course-detail-card{
  padding:30px;
  border:1px solid #d7e5ff;
  border-radius:30px;
  background:#fff;
  box-shadow:0 28px 90px rgba(15,23,42,.12);
}

.course-hero-card strong,
.course-detail-card strong{
  display:block;
  color:#0757d8;
  font-size:56px;
  line-height:1;
}

.course-hero-card span,
.course-detail-card span{
  display:block;
  margin-top:8px;
  color:#061226;
  font-weight:1000;
  font-size:18px;
}

.course-hero-card small,
.course-detail-card small{
  display:block;
  margin-top:16px;
  color:#526072;
  font-weight:850;
  line-height:1.55;
}

.course-detail-card ul{
  display:grid;
  gap:10px;
  margin:18px 0 0;
  padding:0;
  list-style:none;
}

.course-detail-card li{
  color:#475569;
  font-weight:850;
}

.course-section{
  padding:72px 0;
  background:#fff;
}

.course-section--light{
  background:#f6f9ff;
}

.course-filter{
  display:grid;
  grid-template-columns:minmax(260px,1fr) 220px 180px auto auto;
  gap:12px;
  align-items:center;
  margin-bottom:22px;
  padding:14px;
  border:1px solid #dfe7f1;
  border-radius:24px;
  background:#fff;
  box-shadow:0 18px 48px rgba(15,23,42,.06);
}

.course-chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 26px;
}

.course-chip-row a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border:1px solid #d9e7ff;
  border-radius:999px;
  background:#fff;
  color:#223148;
  font-weight:950;
}

.course-chip-row span{
  display:grid;
  place-items:center;
  min-width:24px;
  height:24px;
  border-radius:999px;
  background:#eef5ff;
  color:#0757d8;
  font-size:12px;
}

.course-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}

.course-grid--compact{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

.course-card{
  overflow:hidden;
  border:1px solid #dfe7f1;
  border-radius:26px;
  background:#fff;
  box-shadow:0 18px 50px rgba(15,23,42,.07);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.course-card:hover{
  transform:translateY(-4px);
  border-color:#c5dcff;
  box-shadow:0 26px 70px rgba(15,23,42,.12);
}

.course-card__media{
  position:relative;
  display:grid;
  place-items:center;
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#f8fbff,#eaf2ff);
  overflow:hidden;
}

.course-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.course-card__media > span{
  position:absolute;
  left:16px;
  top:16px;
  padding:7px 10px;
  border-radius:999px;
  background:#fff;
  color:#0757d8;
  font-size:12px;
  font-weight:1000;
  box-shadow:0 10px 24px rgba(15,23,42,.12);
}

.course-placeholder{
  display:grid;
  place-items:center;
  width:120px;
  height:120px;
  border-radius:34px;
  background:linear-gradient(145deg,#0757d8,#15b8e8);
  color:#fff;
  font-weight:1000;
  letter-spacing:0;
}

.course-card__body{
  padding:24px;
}

.course-card__body small{
  display:block;
  color:#0757d8;
  font-weight:950;
  margin-bottom:10px;
}

.course-card h2{
  margin:0 0 12px;
  color:#061226;
  font-size:24px;
  line-height:1.12;
  letter-spacing:0;
}

.course-card p{
  color:#475569;
  line-height:1.65;
}

.course-card__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:18px 0;
}

.course-card__meta span{
  padding:7px 10px;
  border-radius:999px;
  background:#f1f6ff;
  color:#334155;
  font-size:12px;
  font-weight:900;
}

.course-link{
  color:#0757d8;
  font-weight:1000;
}

.course-empty{
  grid-column:1/-1;
  padding:36px;
  border:1px dashed #bcd3ff;
  border-radius:26px;
  background:#f8fbff;
  text-align:center;
}

.course-empty strong{
  display:block;
  color:#061226;
  font-size:24px;
}

.course-empty p{
  color:#526072;
}

.course-back{
  display:inline-flex;
  margin-bottom:18px;
  color:#0757d8;
  font-weight:1000;
}

.course-detail-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:24px;
  align-items:start;
}

.course-reading-card,
.course-side-panel,
.course-module{
  border:1px solid #dfe7f1;
  border-radius:28px;
  background:#fff;
  box-shadow:0 18px 50px rgba(15,23,42,.07);
}

.course-reading-card{
  padding:30px;
}

.course-reading-card h2,
.course-section-head h2{
  margin:14px 0 16px;
  color:#061226;
  font-size:clamp(30px,4vw,48px);
  line-height:1.05;
  letter-spacing:0;
}

.course-rich-text{
  color:#334155;
  font-size:18px;
  line-height:1.8;
}

.course-check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:24px;
}

.course-check-grid div{
  display:flex;
  gap:10px;
  padding:14px;
  border:1px solid #dfe7f1;
  border-radius:18px;
  background:#f8fbff;
}

.course-check-grid span{
  display:grid;
  place-items:center;
  flex:0 0 24px;
  width:24px;
  height:24px;
  border-radius:999px;
  background:#16a34a;
  color:#fff;
  font-weight:1000;
}

.course-side-panel{
  position:sticky;
  top:calc(var(--site-header-height,110px) + 18px);
  padding:24px;
}

.course-side-panel h3{
  margin:0 0 12px;
  color:#061226;
  font-size:22px;
}

.course-side-panel ul{
  display:grid;
  gap:10px;
  margin:0 0 22px;
  padding-left:18px;
  color:#475569;
  font-weight:800;
}

.course-side-panel details{
  padding:14px 0;
  border-bottom:1px solid #e4ebf5;
}

.course-side-panel summary{
  cursor:pointer;
  color:#061226;
  font-weight:950;
}

.course-program{
  display:grid;
  gap:18px;
}

.course-module{
  overflow:hidden;
}

.course-module header{
  display:flex;
  gap:16px;
  padding:24px;
  background:#f8fbff;
  border-bottom:1px solid #e4ebf5;
}

.course-module header > span{
  display:grid;
  place-items:center;
  flex:0 0 48px;
  width:48px;
  height:48px;
  border-radius:16px;
  background:#0757d8;
  color:#fff;
  font-weight:1000;
}

.course-module h3{
  margin:0 0 6px;
  color:#061226;
  font-size:25px;
}

.course-module p{
  margin:0;
  color:#526072;
}

.course-lessons{
  display:grid;
  padding:12px;
}

.course-lessons a{
  display:grid;
  grid-template-columns:34px minmax(0,1fr) auto;
  gap:12px;
  align-items:center;
  padding:14px;
  border-radius:16px;
  color:#172033;
  scroll-margin-top:calc(var(--site-header-height,110px) + 24px);
}

.course-lessons a:hover{
  background:#eef5ff;
  color:#0757d8;
}

.course-lessons a > span{
  color:#0757d8;
  font-weight:1000;
}

.course-lessons small{
  color:#64748b;
  font-weight:900;
}

.course-resource-list{
  display:grid;
  gap:12px;
}

.course-resource-list a{
  display:grid;
  gap:4px;
  padding:16px;
  border:1px solid #dfe7f1;
  border-radius:18px;
  background:#f8fbff;
}

.course-resource-list strong{
  color:#061226;
}

.course-resource-list span{
  color:#526072;
}

.lesson-shell{
  display:grid;
  grid-template-columns:330px minmax(0,1fr);
  min-height:calc(100vh - var(--site-header-height,110px));
  background:#f6f9ff;
}

.lesson-sidebar{
  position:sticky;
  top:var(--site-header-height,110px);
  align-self:start;
  height:calc(100vh - var(--site-header-height,110px));
  overflow:auto;
  padding:24px;
  border-right:1px solid #dfe7f1;
  background:#fff;
}

.lesson-sidebar > strong{
  display:block;
  color:#061226;
  font-size:22px;
  line-height:1.15;
  margin-bottom:18px;
}

.lesson-progress{
  display:grid;
  gap:8px;
  margin-bottom:18px;
}

.lesson-progress span{
  color:#526072;
  font-weight:900;
}

.lesson-progress i{
  display:block;
  height:9px;
  border-radius:999px;
  background:linear-gradient(90deg,#0757d8 var(--progress),#e5edf8 var(--progress));
}

.lesson-sidebar nav{
  display:grid;
  gap:8px;
}

.lesson-sidebar nav a{
  display:grid;
  grid-template-columns:34px minmax(0,1fr);
  gap:10px;
  padding:12px;
  border-radius:16px;
  color:#334155;
}

.lesson-sidebar nav a:hover,
.lesson-sidebar nav a.is-active{
  background:#eef5ff;
  color:#0757d8;
}

.lesson-sidebar nav span{
  color:inherit;
  font-weight:1000;
}

.lesson-reader{
  width:min(920px,calc(100% - 36px));
  margin:0 auto;
  padding:54px 0 80px;
}

.lesson-header{
  padding:34px;
  border:1px solid #dfe7f1;
  border-radius:30px;
  background:#fff;
  box-shadow:0 24px 70px rgba(15,23,42,.08);
}

.lesson-header h1{
  margin:18px 0 12px;
  color:#061226;
  font-size:clamp(38px,5vw,68px);
  line-height:1;
  letter-spacing:0;
}

.lesson-header p{
  max-width:760px;
  color:#475569;
  font-size:19px;
  line-height:1.7;
}

.lesson-count{
  display:inline-flex;
  margin-top:16px;
  padding:8px 12px;
  border-radius:999px;
  background:#eef5ff;
  color:#0757d8;
  font-weight:1000;
}

.lesson-content{
  margin-top:24px;
  padding:40px;
  border:1px solid #dfe7f1;
  border-radius:30px;
  background:#fff;
  color:#1f2937;
  font-size:20px;
  line-height:1.9;
  box-shadow:0 18px 50px rgba(15,23,42,.06);
}

.lesson-content p{
  margin:0 0 1.2em;
}

.lesson-content h2,
.lesson-content h3{
  color:#061226;
  line-height:1.15;
}

.lesson-footer-nav{
  display:flex;
  justify-content:space-between;
  gap:14px;
  margin-top:24px;
}

@media(max-width:1100px){
  .course-hero__grid,
  .course-detail-hero__grid,
  .course-detail-layout,
  .lesson-shell{
    grid-template-columns:1fr;
  }

  .course-filter{
    grid-template-columns:1fr 1fr;
  }

  .course-grid,
  .course-grid--compact{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .course-side-panel,
  .lesson-sidebar{
    position:relative;
    top:auto;
    height:auto;
  }

  .lesson-sidebar{
    border-right:0;
    border-bottom:1px solid #dfe7f1;
  }
}

@media(max-width:680px){
  .course-hero,
  .course-detail-hero,
  .course-section{
    padding:48px 0;
  }

  .course-hero h1,
  .course-detail-hero h1,
  .lesson-header h1{
    font-size:clamp(34px,11vw,48px);
  }

  .course-hero p,
  .course-detail-hero p{
    font-size:16px;
  }

  .course-filter,
  .course-grid,
  .course-grid--compact,
  .course-check-grid{
    grid-template-columns:1fr;
  }

  .course-card__body,
  .course-reading-card,
  .course-side-panel,
  .lesson-header,
  .lesson-content{
    padding:22px;
    border-radius:22px;
  }

  .lesson-reader{
    width:min(100% - 24px,920px);
    padding:34px 0 58px;
  }

  .lesson-content{
    font-size:17px;
  }

  .lesson-footer-nav{
    flex-direction:column;
  }

  .lesson-footer-nav .btn{
    width:100%;
  }
}

/* ============================================================
   LECTEUR DE COURS V2 - inspire des plateformes d'apprentissage
============================================================ */
.lesson-shell--immersive{
  --lesson-ink:#101133;
  --lesson-muted:#5b6477;
  --lesson-line:#e4e8f0;
  --lesson-soft:#eef8fb;
  --lesson-blue:#0b6ee8;
  --lesson-cyan:#38a9df;
  --lesson-code:#252635;
  display:grid;
  grid-template-columns:minmax(320px,500px) minmax(0,1fr);
  min-height:calc(100vh - var(--site-header-height,110px));
  background:#fff;
}

.lesson-shell--immersive .lesson-sidebar{
  position:sticky;
  top:var(--site-header-height,110px);
  align-self:start;
  height:calc(100vh - var(--site-header-height,110px));
  overflow:auto;
  padding:0;
  border-right:1px solid var(--lesson-line);
  background:#fff;
  scrollbar-color:#8b8f9a transparent;
  scrollbar-width:thin;
}

.lesson-sidebar__head{
  position:sticky;
  top:0;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:28px 30px 24px;
  border-bottom:1px solid var(--lesson-line);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);
}

.lesson-sidebar__head span,
.lesson-course-card > span,
.lesson-toc__module header span{
  display:block;
  color:#00758a;
  font-size:12px;
  font-weight:1000;
  letter-spacing:0;
  text-transform:uppercase;
}

.lesson-sidebar__head strong{
  display:block;
  margin-top:6px;
  color:var(--lesson-ink);
  font-size:24px;
  line-height:1.1;
}

.lesson-sidebar__head a{
  display:grid;
  place-items:center;
  flex:0 0 42px;
  width:42px;
  height:42px;
  border-radius:50%;
  color:#737985;
  font-size:34px;
  font-weight:300;
  line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}

.lesson-sidebar__head a:hover{
  background:#f3f6fa;
  color:var(--lesson-ink);
  transform:rotate(90deg);
}

.lesson-course-card{
  margin:0 28px 18px;
  padding:24px 26px;
  border:1px solid #dcecf1;
  border-radius:0 0 22px 22px;
  background:linear-gradient(135deg,#effbfe 0%,#f8fcff 100%);
}

.lesson-course-card h2{
  margin:6px 0 18px;
  color:var(--lesson-ink);
  font-size:21px;
  line-height:1.28;
}

.lesson-shell--immersive .lesson-progress{
  display:grid;
  gap:9px;
  margin:0;
}

.lesson-shell--immersive .lesson-progress span{
  color:var(--lesson-muted);
  font-size:13px;
  font-weight:950;
}

.lesson-shell--immersive .lesson-progress i{
  display:block;
  height:8px;
  overflow:hidden;
  border-radius:999px;
  background:linear-gradient(90deg,var(--lesson-blue) var(--progress),#d9e8ef var(--progress));
}

.lesson-toc{
  display:grid;
  gap:0;
  padding:0 20px 40px;
}

.lesson-toc__module{
  display:grid;
  gap:0;
  padding:14px 0 20px;
}

.lesson-toc__module header{
  margin:0 0 10px;
  padding:20px 30px;
  background:#edf8fa;
}

.lesson-toc__module.is-current header{
  background:#e3f2f5;
}

.lesson-toc__module header strong{
  display:block;
  max-width:340px;
  margin-top:4px;
  color:var(--lesson-ink);
  font-size:21px;
  line-height:1.25;
}

.lesson-toc__items{
  position:relative;
  display:grid;
  padding-left:22px;
}

.lesson-toc__items::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:35px;
  width:1px;
  background:#d7dce5;
}

.lesson-toc__items a{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:38px minmax(0,1fr) auto;
  gap:14px;
  align-items:center;
  min-height:78px;
  padding:14px 18px 14px 0;
  border-radius:0;
  color:#26274c;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}

.lesson-toc__items a > span{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border:1px solid #858b99;
  border-radius:50%;
  background:#fff;
  color:#4b5361;
  font-size:15px;
  font-weight:900;
}

.lesson-toc__items a strong{
  font-size:18px;
  line-height:1.45;
  font-weight:850;
}

.lesson-toc__items a small{
  color:#788090;
  font-size:12px;
  font-weight:900;
}

.lesson-toc__items a:hover,
.lesson-toc__items a.is-active{
  padding-left:18px;
  background:#fafafa;
  color:var(--lesson-ink);
  transform:translateX(2px);
}

.lesson-toc__items a:hover > span,
.lesson-toc__items a.is-active > span{
  border-color:var(--lesson-blue);
  background:var(--lesson-blue);
  color:#fff;
}

.lesson-toc__items a.is-active strong{
  font-weight:1000;
}

.lesson-toc__items p{
  margin:10px 0 10px 18px;
  color:var(--lesson-muted);
}

.lesson-shell--immersive .lesson-reader{
  width:min(960px,calc(100% - 72px));
  margin:0 auto;
  padding:30px 0 70px;
}

.lesson-reader__top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 24px;
  color:#7b8393;
  font-size:14px;
  font-weight:850;
}

.lesson-reader__top a{
  color:#246fbe;
}

.lesson-reader__top strong{
  color:var(--lesson-ink);
}

.lesson-shell--immersive .lesson-header{
  padding:0 0 26px;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}

.lesson-shell--immersive .course-kicker{
  border-color:#cde8f1;
  background:#effbfe;
  color:#00758a;
}

.lesson-shell--immersive .lesson-header h1{
  max-width:900px;
  margin:18px 0 14px;
  color:var(--lesson-ink);
  font-size:clamp(38px,5vw,66px);
  line-height:1.02;
}

.lesson-shell--immersive .lesson-header p{
  max-width:820px;
  color:#32345c;
  font-size:21px;
  line-height:1.75;
}

.lesson-header__meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.lesson-header__meta span{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:7px 12px;
  border:1px solid #dbe7f3;
  border-radius:999px;
  background:#fff;
  color:#4a5367;
  font-size:13px;
  font-weight:950;
}

.lesson-shell--immersive .lesson-content{
  margin:0;
  padding:0;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  color:#1d1e45;
  font-size:21px;
  line-height:1.72;
}

.lesson-content > * + *{
  margin-top:24px;
}

.lesson-content p{
  margin:0;
}

.lesson-content h2{
  margin:42px 0 14px;
  color:var(--lesson-ink);
  font-size:34px;
  line-height:1.15;
}

.lesson-content h3{
  margin:34px 0 12px;
  color:var(--lesson-ink);
  font-size:26px;
  line-height:1.2;
}

.lesson-content p code,
.lesson-content li code,
.lesson-content h2 code,
.lesson-content h3 code,
.lesson-callout code{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:2px 10px;
  border:1px solid #d9dce2;
  border-radius:2px;
  background:#f4f5f7;
  color:#121331;
  font-family:"Cascadia Mono","Consolas",monospace;
  font-size:.9em;
  font-weight:850;
}

.lesson-callout{
  position:relative;
  display:grid;
  grid-template-columns:42px minmax(0,1fr);
  gap:0;
  margin:34px 0 28px;
  padding:24px 28px 24px 22px;
  border-radius:0 24px 24px 24px;
  background:#e4f4fb;
  color:#1d2c59;
}

.lesson-callout-icon{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  margin:-10px 0 0 -32px;
  border-radius:50%;
  background:#49aee4;
  color:#fff;
  font-family:Georgia,serif;
  font-size:24px;
  font-style:italic;
  font-weight:900;
}

.lesson-callout strong{
  display:block;
  margin-bottom:6px;
  color:#143052;
  font-size:17px;
}

.lesson-callout p{
  color:#1b2552;
  line-height:1.65;
}

.lesson-smart-list{
  display:grid;
  gap:10px;
  margin:26px 0;
  padding:0;
  list-style:none;
}

.lesson-smart-list li{
  position:relative;
  padding:14px 16px 14px 44px;
  border:1px solid #e1e7f0;
  border-radius:18px;
  background:#fbfdff;
  color:#24264f;
  font-weight:750;
}

.lesson-smart-list li::before{
  content:"";
  position:absolute;
  left:17px;
  top:22px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--lesson-blue),var(--lesson-cyan));
}

.lesson-code-block{
  overflow:hidden;
  margin:32px 0;
  border-radius:20px;
  background:var(--lesson-code);
  box-shadow:0 22px 50px rgba(16,17,51,.16);
}

.lesson-code-block figcaption{
  display:flex;
  justify-content:flex-end;
  padding:10px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#aeb3c4;
  font-size:12px;
  font-weight:900;
  text-transform:uppercase;
}

.lesson-code-block pre{
  overflow:auto;
  margin:0;
  padding:16px 0;
}

.lesson-code-block code{
  display:grid;
  min-width:max-content;
  color:#f7f8ff;
  font-family:"Cascadia Mono","Consolas","SFMono-Regular",monospace;
  font-size:16px;
  line-height:1.55;
}

.lesson-code-line{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:0;
  padding:0 22px 0 0;
}

.lesson-code-number{
  color:#9096a9;
  text-align:center;
  user-select:none;
}

.lesson-code-text{
  white-space:pre;
}

.lesson-shell--immersive .lesson-footer-nav{
  position:sticky;
  bottom:0;
  display:flex;
  justify-content:space-between;
  gap:14px;
  margin-top:52px;
  padding:18px 0;
  background:linear-gradient(180deg,rgba(255,255,255,0),#fff 30%);
}

.lesson-shell--immersive .lesson-footer-nav .btn{
  box-shadow:0 14px 34px rgba(15,23,42,.08);
}

.course-progress-box{
  display:grid;
  gap:12px;
  margin:22px 0 4px;
  padding:16px;
  border:1px solid #d9e7ff;
  border-radius:18px;
  background:#f8fbff;
}

.course-progress-box div{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.course-progress-box b{
  color:#0757d8;
  font-size:28px;
  line-height:1;
}

.course-progress-box small{
  color:#475569;
  font-weight:850;
  text-align:right;
}

.course-progress-box i{
  display:block;
  height:10px;
  border-radius:999px;
  background:linear-gradient(90deg,#0757d8 var(--progress),#dbe8fb var(--progress));
}

.course-lessons a.is-current{
  background:#eef5ff;
  color:#0757d8;
}

.course-lessons a.is-completed{
  background:#ecfdf5;
  color:#065f46;
}

.course-lessons a.is-completed > span,
.lesson-toc__items a.is-completed > span{
  border-color:#16a34a;
  background:#16a34a;
  color:#fff;
}

.course-lessons a.is-completed > span::before,
.lesson-toc__items a.is-completed > span::before{
  content:"✓";
}

.course-lessons a.is-completed > span,
.lesson-toc__items a.is-completed > span{
  font-size:0;
}

.course-lessons a.is-completed > span::before,
.lesson-toc__items a.is-completed > span::before{
  font-size:15px;
  font-weight:1000;
}

.lesson-complete-form{
  margin:0;
}

@media(max-width:1180px){
  .lesson-shell--immersive{
    grid-template-columns:360px minmax(0,1fr);
  }

  .lesson-shell--immersive .lesson-reader{
    width:min(100% - 42px,900px);
  }

  .lesson-toc__module header{
    padding:18px 20px;
  }
}

@media(max-width:980px){
  .lesson-shell--immersive{
    grid-template-columns:1fr;
  }

  .lesson-shell--immersive .lesson-sidebar{
    position:relative;
    top:auto;
    height:auto;
    max-height:none;
    border-right:0;
    border-bottom:1px solid var(--lesson-line);
  }

  .lesson-sidebar__head{
    padding:22px;
  }

  .lesson-course-card{
    margin:0 22px 14px;
    border-radius:22px;
  }

  .lesson-toc{
    grid-auto-flow:column;
    grid-auto-columns:minmax(280px,82vw);
    overflow:auto;
    padding:0 18px 22px;
    scroll-snap-type:x proximity;
  }

  .lesson-toc__module{
    scroll-snap-align:start;
    padding:0;
  }

  .lesson-toc__module header{
    border-radius:18px 18px 0 0;
  }

  .lesson-toc__items{
    padding-left:14px;
  }

  .lesson-toc__items::before{
    left:27px;
  }
}

@media(max-width:640px){
  .lesson-sidebar__head{
    align-items:flex-start;
  }

  .lesson-sidebar__head strong{
    font-size:21px;
  }

  .lesson-shell--immersive .lesson-reader{
    width:min(100% - 28px,900px);
    padding:24px 0 54px;
  }

  .lesson-shell--immersive .lesson-header h1{
    font-size:clamp(34px,10vw,46px);
  }

  .lesson-shell--immersive .lesson-header p,
  .lesson-shell--immersive .lesson-content{
    font-size:18px;
  }

  .lesson-callout{
    grid-template-columns:1fr;
    padding:22px;
    border-radius:22px;
  }

  .lesson-callout-icon{
    margin:-38px 0 10px;
  }

  .lesson-code-block{
    margin-left:-4px;
    margin-right:-4px;
    border-radius:16px;
  }

  .lesson-code-block code{
    font-size:14px;
  }

  .lesson-code-line{
    grid-template-columns:42px minmax(0,1fr);
  }

  .lesson-shell--immersive .lesson-footer-nav{
    position:relative;
    flex-direction:column;
    padding-top:6px;
  }

  .lesson-shell--immersive .lesson-footer-nav .btn{
    width:100%;
  }
}

/* ============================================================
   LECTEUR DE COURS V4 - rendu proche de la reference fournie
============================================================ */
@supports selector(body:has(.lesson-shell--immersive)){
  body:has(.lesson-shell--immersive){
    padding-top:0;
    background:#fff;
  }

  body:has(.lesson-shell--immersive) .site-header{
    transform:translateY(-100%)!important;
    pointer-events:none;
  }

  body:has(.lesson-shell--immersive) .floating-contact-dock{
    display:none;
  }
}

.lesson-shell--immersive{
  grid-template-columns:500px minmax(0,1fr);
  background:#fff;
  min-height:100vh;
}

.lesson-shell--immersive .lesson-sidebar{
  top:0;
  height:100vh;
  border-right:1px solid #d9dde5;
  box-shadow:none;
}

.lesson-sidebar__head{
  min-height:104px;
  padding:26px 28px;
  border-bottom:1px solid #d9dde5;
  background:#fff;
}

.lesson-sidebar__head span{
  display:none;
}

.lesson-sidebar__head strong{
  margin:0;
  font-size:22px;
  font-weight:950;
}

.lesson-sidebar__head a{
  width:38px;
  height:38px;
  color:#777;
  font-size:38px;
  border-radius:0;
}

.lesson-course-card{
  display:none;
}

.lesson-toc{
  padding:0 10px 48px;
}

.lesson-toc__module{
  padding:0 0 22px;
}

.lesson-toc__module header{
  margin:0;
  padding:22px 60px;
  border-radius:0;
  background:#eaf5f7;
}

.lesson-toc__module.is-current header{
  background:#e5f2f5;
}

.lesson-toc__module header span{
  color:#00798d;
  font-size:13px;
  letter-spacing:0;
}

.lesson-toc__module header strong{
  max-width:360px;
  margin-top:2px;
  color:#090a2f;
  font-size:22px;
  line-height:1.35;
  font-weight:950;
}

.lesson-toc__items{
  padding:16px 20px 0 20px;
}

.lesson-toc__items::before{
  left:36px;
  background:#d7dbe2;
}

.lesson-toc__items a{
  grid-template-columns:54px minmax(0,1fr);
  min-height:86px;
  padding:12px 12px 12px 0;
  color:#1a1940;
  background:transparent;
}

.lesson-toc__items a > span{
  width:34px;
  height:34px;
  border:1px solid #6f7480;
  background:#fff;
  color:#4c5361;
  font-size:15px;
  font-weight:500;
}

.lesson-toc__items a strong{
  font-size:21px;
  line-height:1.55;
  font-weight:500;
}

.lesson-toc__items a small{
  display:none;
}

.lesson-toc__items a:hover,
.lesson-toc__items a.is-active{
  padding-left:12px;
  background:#fafafa;
  transform:none;
}

.lesson-toc__items a.is-active strong{
  color:#090a2f;
  font-weight:950;
}

.lesson-toc__items a:hover > span,
.lesson-toc__items a.is-active > span{
  border-color:#6f7480;
  background:#fff;
  color:#4c5361;
}

.lesson-shell--immersive .lesson-reader{
  width:min(960px,calc(100% - 80px));
  margin:0 auto;
  padding:26px 0 72px;
}

.lesson-reader__top,
.lesson-shell--immersive .lesson-header{
  display:none;
}

.lesson-shell--immersive .lesson-content{
  padding-top:0;
  color:#12123c;
  font-size:21px;
  line-height:1.72;
}

.lesson-content > * + *{
  margin-top:22px;
}

.lesson-content p{
  max-width:960px;
  color:#12123c;
  text-align:justify;
  text-justify:inter-word;
  text-wrap:pretty;
  hyphens:auto;
}

.lesson-content h2,
.lesson-content h3{
  max-width:960px;
  color:#090a2f;
  font-weight:900;
}

.lesson-shell--immersive .lesson-content h2{
  margin:34px 0 28px;
  font-size:clamp(30px,3vw,38px);
  line-height:1.15;
}

.lesson-shell--immersive .lesson-content h3{
  margin:30px 0 18px;
  font-size:clamp(24px,2.3vw,30px);
  line-height:1.2;
}

.lesson-shell--immersive .lesson-content strong{
  color:#090a2f;
  font-weight:950;
}

.lesson-shell--immersive .lesson-content a{
  color:#7c3aed;
  text-decoration:underline;
  text-decoration-thickness:1.5px;
  text-underline-offset:4px;
  transition:color .18s ease,background .18s ease;
}

.lesson-shell--immersive .lesson-content a:hover{
  color:#0757d8;
  background:#f1f6ff;
}

.lesson-shell--immersive .lesson-content p code,
.lesson-shell--immersive .lesson-content li code,
.lesson-shell--immersive .lesson-content h2 code,
.lesson-shell--immersive .lesson-content h3 code,
.lesson-shell--immersive .lesson-callout code{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:2px 10px;
  border:1px solid #d8dce4;
  border-radius:2px;
  background:#f4f5f7;
  color:#101133;
  font-family:"Cascadia Mono","Consolas","SFMono-Regular",monospace;
  font-size:.9em;
  font-weight:850;
  vertical-align:.03em;
}

.lesson-callout{
  margin:30px 0 26px;
  padding:18px 28px 18px 38px;
  border-radius:0 22px 22px 22px;
  background:#e4f4fb;
  color:#111a46;
}

.lesson-callout-icon{
  margin:-12px 0 0 -50px;
}

.lesson-code-block{
  max-width:960px;
  margin:24px 0;
  border-radius:18px;
  background:#282a39;
  box-shadow:none;
}

.lesson-code-block figcaption{
  display:none;
}

.lesson-code-block pre{
  padding:12px 0;
}

.lesson-code-block code{
  font-size:16px;
  line-height:1.55;
}

.lesson-code-line{
  grid-template-columns:50px minmax(0,1fr);
}

.lesson-code-number{
  color:#9aa0b2;
}

.tok-keyword{color:#ff55b8}
.tok-function{color:#6ee7ff}
.tok-string{color:#f7f36a}
.tok-number{color:#a7f3d0}

.lesson-shell--immersive .lesson-footer-nav{
  max-width:960px;
  margin-top:46px;
}

@media(max-width:1180px){
  .lesson-shell--immersive{
    grid-template-columns:390px minmax(0,1fr);
  }

  .lesson-toc__module header{
    padding:20px 36px;
  }

  .lesson-shell--immersive .lesson-reader{
    width:min(100% - 44px,920px);
  }
}

@media(max-width:900px){
  .lesson-shell--immersive{
    grid-template-columns:1fr;
  }

  .lesson-shell--immersive .lesson-sidebar{
    position:relative;
    height:auto;
    max-height:70vh;
  }

  .lesson-toc{
    grid-auto-flow:column;
    grid-auto-columns:minmax(280px,84vw);
    overflow:auto;
    padding:0 14px 20px;
  }

  .lesson-toc__module header{
    padding:18px 20px;
  }
}

@media(max-width:640px){
  .lesson-sidebar__head{
    min-height:78px;
    padding:18px 20px;
  }

  .lesson-toc__items a strong{
    font-size:18px;
  }

  .lesson-shell--immersive .lesson-reader{
    width:min(100% - 28px,920px);
    padding:24px 0 52px;
  }

  .lesson-shell--immersive .lesson-content{
    font-size:18px;
  }
}

.lesson-shell--immersive .lesson-toc__items a.is-completed > span,
.lesson-shell--immersive .lesson-toc__items a.is-completed.is-active > span,
.lesson-shell--immersive .lesson-toc__items a.is-completed:hover > span{
  border-color:#16a34a;
  background:#16a34a;
  color:#fff;
}

.lesson-shell--immersive .lesson-toc__items a.is-completed strong{
  color:#065f46;
}

.lesson-shell--immersive .lesson-footer-nav form{
  margin:0;
}

/* ============================================================
   COURS AJAX + pagination moderne + table active
============================================================ */
.course-results-shell{
  position:relative;
  min-height:260px;
  transition:opacity .18s ease,filter .18s ease;
}

.course-results-shell.is-loading{
  opacity:.58;
  filter:saturate(.82);
  pointer-events:none;
}

.course-results-shell.is-loading::after{
  content:"Chargement des cours...";
  position:absolute;
  left:50%;
  top:34px;
  z-index:3;
  transform:translateX(-50%);
  padding:11px 16px;
  border:1px solid #cfe0ff;
  border-radius:999px;
  background:#fff;
  color:#0757d8;
  font-size:13px;
  font-weight:950;
  box-shadow:0 18px 42px rgba(15,23,42,.12);
}

.course-reset-link.is-hidden{
  display:none;
}

.course-pagination{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:34px;
  padding:14px;
  border:1px solid #dfe7f1;
  border-radius:22px;
  background:linear-gradient(135deg,#fff,#f8fbff);
  box-shadow:0 18px 50px rgba(15,23,42,.07);
}

.course-pagination__status{
  display:grid;
  gap:3px;
  min-width:190px;
  padding-left:6px;
}

.course-pagination__status strong{
  color:#061226;
  font-size:16px;
}

.course-pagination__status span{
  color:#64748b;
  font-size:13px;
  font-weight:850;
}

.course-pagination__controls{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
  gap:7px;
}

.course-pagination__controls a,
.course-pagination__controls span{
  display:grid;
  place-items:center;
  min-width:42px;
  height:42px;
  padding:0 12px;
  border:1px solid #dbe7f7;
  border-radius:14px;
  background:#fff;
  color:#1f2a44;
  font-weight:950;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
}

.course-pagination__controls a:hover{
  transform:translateY(-2px);
  border-color:#9ec5ff;
  background:#eef5ff;
  color:#0757d8;
  box-shadow:0 12px 28px rgba(7,87,216,.14);
}

.course-pagination__controls .is-current{
  border-color:#0757d8;
  background:#0757d8;
  color:#fff;
  box-shadow:0 14px 32px rgba(7,87,216,.22);
}

.course-pagination__controls .is-disabled{
  opacity:.42;
  cursor:not-allowed;
}

.course-pagination__dots{
  min-width:28px!important;
  border-color:transparent!important;
  background:transparent!important;
  color:#94a3b8!important;
  padding:0!important;
}

.lesson-shell--immersive .lesson-sidebar{
  scroll-behavior:smooth;
}

.lesson-shell--immersive .lesson-toc__items a.is-active{
  position:relative;
  background:#f4fbff;
  color:#090a2f;
  box-shadow:inset 5px 0 0 #0757d8;
}

.lesson-shell--immersive .lesson-toc__items a.is-active::after{
  content:"Lecture";
  position:absolute;
  right:12px;
  top:10px;
  padding:4px 8px;
  border-radius:999px;
  background:#e8f2ff;
  color:#0757d8;
  font-size:11px;
  font-weight:1000;
}

.lesson-shell--immersive .lesson-toc__items a.is-active > span{
  border-color:#0757d8;
  background:#0757d8;
  color:#fff;
}

.lesson-shell--immersive .lesson-toc__items a.is-active strong{
  padding-right:72px;
}

@media(max-width:720px){
  .course-pagination{
    align-items:stretch;
    flex-direction:column;
  }

  .course-pagination__controls{
    justify-content:center;
  }

  .course-pagination__controls a,
  .course-pagination__controls span{
    min-width:38px;
    height:38px;
    border-radius:12px;
  }

  .lesson-shell--immersive .lesson-toc__items a.is-active strong{
    padding-right:0;
  }

  .lesson-shell--immersive .lesson-toc__items a.is-active::after{
    display:none;
  }
}

/* ============================================================
   LECTEUR DE COURS - table fixe et corps independant
============================================================ */
@media(min-width:901px){
  .lesson-shell--immersive{
    --lesson-sidebar-width:500px;
    --lesson-sidebar-top:0px;
    --lesson-sidebar-height:100vh;
    display:grid;
    grid-template-columns:var(--lesson-sidebar-width) minmax(0,1fr);
    align-items:start;
    min-height:100vh;
    padding:0;
  }

  .lesson-shell--immersive .lesson-sidebar{
    position:fixed!important;
    top:var(--lesson-sidebar-top)!important;
    left:0!important;
    inset:auto!important;
    z-index:40;
    display:flex;
    flex-direction:column;
    align-self:start;
    width:var(--lesson-sidebar-width);
    height:var(--lesson-sidebar-height)!important;
    max-height:var(--lesson-sidebar-height);
    overflow:hidden!important;
    background:#fff;
    border-right:1px solid #d9dde5;
    box-shadow:18px 0 46px rgba(15,23,42,.05);
    transition:height .12s linear,top .12s linear,box-shadow .18s ease;
    will-change:height,top;
  }

  .lesson-shell--immersive .lesson-sidebar.is-footer-clipped{
    box-shadow:18px 0 46px rgba(15,23,42,.08),0 -1px 0 rgba(217,221,229,.7) inset;
  }

  .lesson-shell--immersive .lesson-sidebar.is-boundary-hidden{
    visibility:hidden;
    pointer-events:none;
  }

  .lesson-shell--immersive .lesson-sidebar__head{
    position:relative!important;
    top:auto!important;
    z-index:3;
    flex:0 0 auto;
    min-height:104px;
    background:rgba(255,255,255,.98);
    box-shadow:0 1px 0 rgba(217,221,229,.9);
  }

  .lesson-shell--immersive .lesson-course-card{
    flex:0 0 auto;
  }

  .lesson-shell--immersive .lesson-toc{
    flex:1 1 auto;
    min-height:0;
    overflow-x:hidden;
    overflow-y:auto;
    overscroll-behavior:contain;
    padding-bottom:56px;
    scroll-behavior:smooth;
    scrollbar-gutter:stable;
  }

  .lesson-shell--immersive .lesson-reader{
    grid-column:2;
    width:min(960px,calc(100% - 80px))!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }
}

@media(min-width:901px) and (max-width:1180px){
  .lesson-shell--immersive{
    --lesson-sidebar-width:390px;
  }

  .lesson-shell--immersive .lesson-reader{
    width:min(880px,calc(100% - 44px))!important;
  }
}

@media(max-width:900px){
  .lesson-shell--immersive .lesson-sidebar{
    position:relative!important;
    inset:auto!important;
    display:block;
    width:auto!important;
    height:auto!important;
    overflow:visible!important;
  }

  .lesson-shell--immersive .lesson-sidebar__head{
    position:sticky!important;
    top:0!important;
    z-index:5;
  }

  .lesson-shell--immersive .lesson-toc{
    max-height:none;
    overflow:auto;
    scroll-behavior:smooth;
  }
}