/* =========================================================
   Rez0 — Design System
   Structure :
   1) Theme tokens
   2) Reset / base
   3) Layout
   4) Header / navigation
   5) UI components
   6) Forms
   7) Course page
   8) Quiz page
   9) Bug report page
   10) Admin page
   11) Profile page
   12) Details / summary
   13) Click safety
   14) Chapters / lessons
   15) Responsive
   ========================================================= */

/* =========================
   1) THEME TOKENS
   ========================= */
:root{
  --bg: #0b1220;

  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);

  --text: #e8eefc;
  --muted: rgba(232,238,252,.72);
  --line: rgba(232,238,252,.12);

  --accent: #6ee7ff;
  --accent2: #a78bfa;

  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1120px;

  --quiz-good: #22c55e;
  --quiz-good-2: #86efac;
  --quiz-bad: #ef4444;
  --quiz-bad-2: #fda4af;
  --quiz-good-glow: rgba(34,197,94,.35);
  --quiz-bad-glow: rgba(239,68,68,.35);
}

/* =========================
   2) RESET / BASE
   ========================= */
*{
  box-sizing: border-box;
}

html,
body{
  height: 100%;
}

body{
  margin: 0;
  position: relative;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

body::before{
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 18% 12%, rgba(110,231,255,.18), transparent 60%),
    radial-gradient(900px 500px at 82% 18%, rgba(167,139,250,.18), transparent 60%),
    radial-gradient(700px 420px at 60% 85%, rgba(110,231,255,.08), transparent 60%);
}

a{
  color: inherit;
  text-decoration: none;
}

img{
  display: block;
  max-width: 100%;
  height: auto;
}

label{
  font-weight: 750;
  font-size: 13px;
  letter-spacing: .2px;
  color: rgba(232,238,252,.84);
}

.muted{
  color: var(--muted);
}

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================
   3) LAYOUT
   ========================= */
.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px;
}

section{
  padding: 22px 0;
}

.grid2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.grid3,
.grid-3{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

.stack{
  display: grid;
  gap: 12px;
}

.title{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin: 12px 0;
}

.title h2{
  margin: 0;
  font-size: 22px;
  letter-spacing: -.2px;
}

.title span{
  color: var(--muted);
  font-weight: 650;
}

/* =========================
   4) HEADER / NAVIGATION
   ========================= */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid var(--line);
}

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  position: relative;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: .2px;
}

.logo{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(110,231,255,.9), rgba(167,139,250,.9));
  box-shadow: 0 10px 30px rgba(110,231,255,.12);
}

.logo svg{
  filter: drop-shadow(0 10px 15px rgba(0,0,0,.2));
}

.navlinks{
  display: flex;
  align-items: center;
  gap: 16px;
}

.navlinks a{
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 600;
}

.navlinks a:hover{
  background: var(--card);
  color: var(--text);
}

.nav-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
}

.nav-toggle:hover{
  background: rgba(255,255,255,.07);
}

.cta{
  display: flex;
  align-items: center;
  gap: 10px;
}

/* =========================
   5) UI COMPONENTS
   ========================= */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.07);
  border-color: rgba(232,238,252,.22);
}

.btn.primary{
  border-color: rgba(110,231,255,.35);
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(167,139,250,.18));
}

.btn.primary:hover{
  border-color: rgba(110,231,255,.55);
}

.btn.disabled{
  opacity: .55;
  pointer-events: none;
  cursor: not-allowed;
}

.btn.small{
  padding: 6px 10px;
  font-size: 0.85rem;
}

.badge{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-weight: 650;
}

.badge b{
  color: var(--text);
}

.tag{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}

.pill{
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  font-weight: 650;
}

.pill-note{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-weight: 650;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.card p{
  margin: 0;
  color: var(--muted);
}

.lesson-card{
  position: relative;
}

.lesson-card .btn{
  position: relative;
  z-index: 2;
}

.card-link{
  position: absolute;
  inset: 0;
  z-index: 1;
}

.pourqui-grid .card{
  padding: 0 16px 14px;
}

.panel{
  position: relative;
  overflow: hidden;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel::before{
  content: "";
  position: absolute;
  inset: -80px -80px auto auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle at 30% 30%, rgba(110,231,255,.22), transparent 60%);
  transform: rotate(12deg);
  pointer-events: none;
}

.panel h3{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: .2px;
}

.panel p{
  margin: 0 0 12px;
  color: var(--muted);
}

.hero{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
  padding: 56px 0 28px;
}

.hero h1{
  margin: 0 0 14px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -.6px;
}

.sub{
  margin: 0 0 18px;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--muted);
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.bullets,
.nice-list{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bullets li,
.nice-list li{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(232,238,252,.10);
  color: var(--muted);
}

.bullets li::before,
.nice-list li::before{
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(110,231,255,.9), rgba(167,139,250,.9));
}

.steps{
  display: grid;
  gap: 10px;
}

.step{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line);
}

.step .content{
  flex: 1;
  min-width: 0;
}

.step .action{
  margin-left: auto;
  flex-shrink: 0;
}

.step b{
  display: block;
}

.step small{
  color: var(--muted);
  font-weight: 650;
}

.step .num{
  min-width: 54px;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 800;
  background: rgba(110,231,255,.12);
  border: 1px solid rgba(110,231,255,.25);
}

.callout{
  max-width: 80ch;
  margin: 18px 0;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(110,231,255,.25);
  background: linear-gradient(135deg, rgba(110,231,255,.10), rgba(167,139,250,.06));
  color: var(--muted);
}

.callout b{
  color: var(--text);
}

.callout.success{
  border-color: rgba(110,231,255,.30);
  background: linear-gradient(135deg, rgba(110,231,255,.12), rgba(167,139,250,.06));
}

.callout.danger{
  border-color: rgba(255,120,120,.30);
  background: rgba(255,120,120,.08);
}

.footer{
  margin-top: 18px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer .fgrid{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.progress{
  height: 10px;
  margin-top: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  overflow: hidden;
}

.bar{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

.status-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
}

.status-badge.success{
  background: rgba(34,197,94,.14);
  border-color: rgba(34,197,94,.28);
  color: #22c55e;
}

.empty-state{
  display: grid;
  gap: 12px;
  padding: 18px;
  text-align: center;
}

.empty-state p{
  margin: 0;
  opacity: .8;
}

/* =========================
   6) FORMS
   ========================= */
input,
textarea,
select{
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(232,238,252,.14);
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color .15s ease, background .15s ease, transform .12s ease, box-shadow .15s ease;
}

input::placeholder,
textarea::placeholder{
  color: rgba(232,238,252,.45);
}

input:hover,
textarea:hover,
select:hover{
  border-color: rgba(232,238,252,.22);
  background: rgba(255,255,255,.04);
}

input:focus,
textarea:focus,
select:focus{
  border-color: rgba(110,231,255,.45);
  background: rgba(255,255,255,.05);
  box-shadow: 0 0 0 4px rgba(110,231,255,.10);
}

textarea{
  resize: vertical;
  min-height: 140px;
  line-height: 1.55;
}

select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  backdrop-filter: blur(6px);
}

select option{
  background: #1e293b;
  color: #fff;
}

.stack button[type="submit"]{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(110,231,255,.35);
  background: linear-gradient(135deg, rgba(110,231,255,.18), rgba(167,139,250,.14));
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.stack button[type="submit"]:hover{
  transform: translateY(-1px);
  border-color: rgba(110,231,255,.55);
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(167,139,250,.18));
}

.form-hint{
  margin: 0;
  font-size: 13px;
  color: rgba(232,238,252,.62);
  font-weight: 650;
}

/* =========================
   7) PAGE: COURSE
   ========================= */
.course-layout{
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
}

.course-aside{
  position: sticky;
  top: 84px;
}

.course-title{
  margin: 0 0 10px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -.4px;
}

.course-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--muted);
  font-weight: 650;
}

.toc h3{
  margin: 0 0 10px;
  font-size: 15px;
}

.toc a{
  display: block;
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 650;
  border: 1px solid transparent;
}

.toc a:hover{
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-color: rgba(232,238,252,.10);
}

.lesson{
  padding: 18px;
}

.lesson h2{
  margin: 32px 0 10px;
  font-size: 22px;
  letter-spacing: -.2px;
}

.lesson h2:first-of-type{
  margin-top: 0;
}

.lesson h3{
  margin: 14px 0 8px;
  font-size: 18px;
  letter-spacing: -.1px;
}

.lesson p{
  color: var(--muted);
  font-size: 16px;
  text-align: justify;
}

.lesson ul{
  margin: 0 0 12px;
  padding-left: 32px;
  color: var(--muted);
  max-width: 80ch;
}

.lesson li{
  margin: 6px 0;
}

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

.figure{
  position: relative;
  max-width: 900px;
  margin: 14px 0 18px;
  padding: 12px;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  cursor: zoom-in;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.figure:hover{
  transform: translateY(-1px);
  border-color: rgba(110,231,255,.28);
  background: rgba(255,255,255,.055);
}


.figure img{
  border-radius: 14px;
  cursor: zoom-in;
}

.figure::after{
  content: "🔍 Cliquer pour agrandir";
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(11,18,32,.78);
  border: 1px solid rgba(232,238,252,.14);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
  opacity: .92;
  backdrop-filter: blur(6px);
}

.figure figcaption{
  margin-top: 10px;
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}

.nav-bottom{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.types-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 10px;
}

/* =========================
   8) PAGE: QUIZ
   ========================= */
.quiz-wrap{
  max-width: 860px;
}

.quiz-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.quiz-head h1{
  margin: 0;
  font-size: clamp(28px, 3.2vw, 42px);
  letter-spacing: -.4px;
}

.quiz-head .sub{
  margin: 8px 0 0;
}

.quiz-card{
  padding: 18px;
}

.choice{
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(232,238,252,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 750;
  font-size: 1rem;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  user-select: none;
  transition: transform .12s ease, border-color .12s ease, background .12s ease, box-shadow .12s ease;
}

.q-title{
  margin: 0;
  font-size: 20px;
  letter-spacing: -.2px;
}

.qhead{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.qmeta{
  color: var(--muted);
  font-weight: 800;
}

.choices{
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.choice{
  position: relative;
  overflow: hidden;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(232,238,252,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 750;
  cursor: pointer;
  user-select: none;
  transition: transform .12s ease, border-color .12s ease, background .12s ease, box-shadow .12s ease;
}

.choice:hover{
  transform: translateY(-1px);
  border-color: rgba(232,238,252,.18);
}

.choice.good{
  border-color: color-mix(in oklab, var(--quiz-good) 60%, white 0%);
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--quiz-good) 22%, transparent),
    color-mix(in oklab, var(--quiz-good-2) 14%, transparent)
  );
  box-shadow:
    0 0 0 1px rgba(34,197,94,.25),
    0 18px 45px var(--quiz-good-glow);
}

.choice.bad{
  border-color: color-mix(in oklab, var(--quiz-bad) 62%, white 0%);
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--quiz-bad) 22%, transparent),
    color-mix(in oklab, var(--quiz-bad-2) 14%, transparent)
  );
  box-shadow:
    0 0 0 1px rgba(239,68,68,.25),
    0 18px 45px var(--quiz-bad-glow);
}

.choice.good::before,
.choice.bad::before{
  content: "";
  position: absolute;
  inset: -40% -60%;
  transform: rotate(18deg) translateX(-30%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.16), transparent);
  opacity: .9;
  pointer-events: none;
  animation: quizShine .55s ease both;
}

@keyframes quizShine{
  from{
    transform: rotate(18deg) translateX(-55%);
    opacity: 0;
  }
  to{
    transform: rotate(18deg) translateX(55%);
    opacity: .9;
  }
}

.explain{
  margin-top: 12px;
  color: var(--muted);
  font-weight: 650;
}

.scoreline{
  margin-top: 10px;
  color: var(--muted);
  font-weight: 700;
}

.quiz-actions,
.quiz-end-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quiz-actions{
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.quiz-actions .btn{
  min-height: 46px;
}

.quiz-actions .btn.primary{
  margin-left: auto;
}

.quiz-end-actions{
  margin-top: 18px;
}

.quiz-finish{
  display: grid;
  gap: 18px;
}

.quiz-finish-top{
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
}

.quiz-finish-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(110,231,255,.22);
  background: linear-gradient(135deg, rgba(110,231,255,.12), rgba(167,139,250,.10));
  color: var(--text);
  font-weight: 750;
}

.quiz-finish-title{
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.08;
  letter-spacing: -.4px;
}

.quiz-score-card{
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(232,238,252,.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  box-shadow: var(--shadow);
}

.quiz-score-ring{
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(
      from 180deg,
      rgba(110,231,255,.95),
      rgba(167,139,250,.92),
      rgba(110,231,255,.95)
    );
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.08),
    0 18px 45px rgba(110,231,255,.12);
}

.quiz-score-ring::before{
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: rgba(11,18,32,.96);
  border: 1px solid rgba(232,238,252,.10);
}

.quiz-score-ring-inner{
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  text-align: center;
}

.quiz-score-content{
  min-width: 0;
  display: grid;
  gap: 8px;
  align-content: center;
}

.quiz-score-label{
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .6px;
  text-transform: uppercase;
}

.quiz-score-main{
  font-size: clamp(40px, 4vw, 52px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
}

.quiz-score-sub{
  font-size: 24px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -.6px;
  color: var(--text);
}

.quiz-message{
  margin: 4px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  text-align: left;
}

.quiz-end-actions{
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.quiz-end-actions .btn{
  min-width: 220px;
  padding: 13px 18px;
  border-radius: 14px;
}

.quiz-end-actions .btn.primary{
  box-shadow: 0 12px 30px rgba(110,231,255,.10);
}

#quiz-box > .quiz-finish + .panel{
  margin-top: 0;
}
/* =========================
   9) PAGE: BUG REPORT
   ========================= */
.bug-shell{
  max-width: 860px;
  margin: 0 auto;
}

.bug-card{
  position: relative;
  overflow: visible !important;
  padding: 22px;
}

.bug-card::before{
  content: "";
  position: absolute;
  inset: -120px -120px auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at 30% 30%, rgba(167,139,250,.18), transparent 60%);
  transform: rotate(12deg);
  pointer-events: none;
}

.bug-card h3{
  margin: 0 0 10px;
  font-size: 16px;
}

/* =========================
   10) PAGE: ADMIN
   ========================= */
.admin-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 10px;
}

.admin-tile{
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.admin-tile:hover{
  transform: translateY(-1px);
  border-color: rgba(232,238,252,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
}

.admin-ico{
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(110,231,255,.10);
  border: 1px solid rgba(110,231,255,.20);
}

.admin-tile h3{
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -.1px;
}

.admin-tile p{
  margin: 0;
  color: var(--muted);
}

.admin-go{
  position: absolute;
  top: 14px;
  right: 14px;
  color: var(--muted);
  font-weight: 900;
  opacity: .85;
}

.admin-head{
  display: grid;
  gap: 10px;
}

.admin-head-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-filters{
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-bugs{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.admin-bug{
  display: block;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.admin-bug:hover{
  transform: translateY(-1px);
  border-color: rgba(232,238,252,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
}

.admin-bug-top{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.admin-bug-title{
  margin-bottom: 6px;
  font-weight: 850;
  letter-spacing: -.2px;
}

.admin-bug-snippet{
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.sev,
.st{
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 800;
  font-size: 12px;
}

.sev-low{
  border-color: rgba(110,231,255,.35);
  background: rgba(110,231,255,.10);
}

.sev-medium{
  border-color: rgba(167,139,250,.35);
  background: rgba(167,139,250,.10);
}

.sev-high{
  border-color: rgba(255,120,120,.35);
  background: rgba(255,120,120,.10);
}

.st-open{
  border-color: rgba(110,231,255,.25);
  background: rgba(110,231,255,.07);
  color: rgba(232,238,252,.92);
}

.st-closed{
  border-color: rgba(232,238,252,.20);
  background: rgba(255,255,255,.05);
  color: rgba(232,238,252,.82);
}

.st-archived{
  border-color: rgba(255,120,120,.18);
  background: rgba(255,120,120,.06);
  color: rgba(232,238,252,.78);
}

/* =========================
   11) PAGE: PROFILE
   ========================= */
.profile-page{
  display: grid;
  gap: 18px;
}

.profile-layout{
  display: grid;
  grid-template-columns: 1.35fr .8fr;
  gap: 18px;
  align-items: start;
}

.profile-main,
.profile-side{
  min-width: 0;
}

.profile-hero{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
  padding: 22px;
}

.profile-hero-left{
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.profile-hero-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.profile-identity h1{
  margin: 10px 0 8px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
  letter-spacing: -.4px;
}

.profile-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.profile-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.profile-stat-card{
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}

.profile-stat-card strong{
  font-size: 28px;
  line-height: 1;
  letter-spacing: -.4px;
  color: var(--text);
}

.profile-stat-card span{
  color: var(--muted);
  font-weight: 650;
}

.profile-top-edit{
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: start;
}

.profile-top-edit-info{
  display: grid;
  gap: 16px;
}

.profile-avatar-wrap{
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-avatar{
  position: relative;
  width: 120px;
  height: 120px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, #1f2937, #111827);
  border: 3px solid rgba(255,255,255,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}

.profile-avatar img,
.profile-avatar-fallback{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.profile-avatar-fallback{
  color: #fff;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: .02em;
  background: linear-gradient(135deg, rgba(110,231,255,.20), rgba(167,139,250,.20));
}

.avatar-overlay{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.38);
  color: #fff;
  font-size: .92rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}

.profile-avatar:hover .avatar-overlay{
  opacity: 1;
}

.avatar-edit-btn{
  position: absolute;
  right: 6px;
  bottom: 6px;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ffffff;
  color: #111827;
  cursor: pointer;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
  transition: transform .15s ease, box-shadow .15s ease;
}

.avatar-edit-btn:hover{
  transform: scale(1.06);
  box-shadow: 0 10px 22px rgba(0,0,0,.24);
}

.avatar-edit-icon{
  font-size: 14px;
  line-height: 1;
}

.profile-course-tracking{
  display: grid;
  gap: 12px;
}

.course-tracking-list{
  display: grid;
  gap: 14px;
}

.course-tracking-item{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
}

.course-tracking-main{
  min-width: 0;
  display: grid;
  gap: 10px;
}

.course-tracking-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.course-tracking-head h3{
  margin: 0;
  font-size: 1.05rem;
}

.course-tracking-text{
  margin: 0;
  opacity: .8;
  font-size: .95rem;
}

.course-progress-bar{
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  overflow: hidden;
}

.course-progress-bar span{
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #22c55e, #3b82f6);
}

.course-tracking-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: .92rem;
  opacity: .78;
}

.course-tracking-actions{
  display: flex;
  align-items: center;
}

/* =========================
   12) DETAILS / SUMMARY
   ========================= */
summary::-webkit-details-marker{
  display: none;
}

summary{
  cursor: pointer;
}

.toggle-btn::before{
  content: "Voir ▼";
}

details[open] .toggle-btn::before{
  content: "Cacher ▲";
}

/* =========================
   13) CLICK SAFETY
   ========================= */
.panel::after,
.hero::before,
.hero::after{
  pointer-events: none;
}

.panel form,
.panel button,
.panel a{
  position: relative;
  z-index: 10;
}

/* =========================
   14) CHAPTERS / LESSONS
   ========================= */
.chapters-list{
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.chapter-card{
  padding: 16px;
}

.chapter-details{
  border-radius: 14px;
}

.chapter-summary{
  list-style: none;
  cursor: pointer;
}

.chapter-summary::-webkit-details-marker{
  display: none;
}

.chapter-summary{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.chapter-summary-main{
  min-width: 0;
}

.chapter-title{
  margin: 0 0 6px;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.15;
}

.chapter-description{
  margin: 0;
  color: var(--muted);
}

.chapter-meta{
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chapter-summary-actions{
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.chapter-toggle{
  padding: 8px 12px;
}

.chapter-content{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.lesson-list{
  display: grid;
  gap: 10px;
}

.lesson-item{
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
}

.lesson-item-main{
  min-width: 0;
}

.lesson-item-title{
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.25;
}

.lesson-item-text{
  margin: 6px 0 0;
  color: var(--muted);
}

.lesson-item-meta{
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lesson-item-actions{
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}

.lesson-item-actions .btn{
  min-width: 110px;
}

.chapter-meta-row{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chapter-meta-row .badge{
  white-space: nowrap;
}

.chapter-meta-row .chapter-toggle{
  margin-left: auto;
}
.figure{
  cursor: zoom-in;
}

.figure img{
  cursor: zoom-in;
}

.image-lightbox{
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(5, 10, 20, .88);
  backdrop-filter: blur(6px);
}

.image-lightbox.open{
  display: flex;
}

.image-lightbox-inner{
  position: relative;
  width: 100%;
  max-width: 1100px;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-lightbox img{
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}

.image-lightbox-close{
  position: absolute;
  top: -10px;
  right: -10px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 23, 42, .92);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-lightbox-close:hover{
  background: rgba(30, 41, 59, .98);
}

.auth-cta-row .btn{
  flex: 0 0 auto;
}

.auth-cta-row .btn.primary{
  flex: 1;
}

.auth-cta-row .btn:not(.primary){
  padding: 10px 12px;
  opacity: .85;
}

/* container */
details.card{
  padding: 18px;
}

/* bouton summary */
details.card > summary{
  width: 100%;
  justify-content: center;
  font-weight: 700;
  transition: all .15s ease;
}

details.card[open] > summary{
  margin-bottom: 14px;
}

/* form */
details.card form{
  display: grid;
  gap: 14px;
  max-width: none;
}

/* labels */
details.card label{
  font-size: 13px;
  font-weight: 700;
  margin-bottom: -6px;
}

/* select + textarea déjà stylés chez toi → on ajuste juste spacing */
details.card select,
details.card textarea{
  width: 100%;
}

/* textarea plus agréable */
details.card textarea{
  min-height: 110px;
}

/* bouton submit */
details.card button.btn.primary{
  width: 100%;
  display: flex; /* 🔥 remplace inline-flex */
  justify-content: center;
}

.quiz-score{
  display: grid;
  justify-content: center;
  text-align: center;
  margin-top: 14px;
  gap: 4px;
}

.quiz-score-main{
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
}

.quiz-score-sub{
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
}

.quiz-message{
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  text-align: center;
  line-height: 1.5;
}


/* =========================
   15) RESPONSIVE
   Non-PC = tablette + mobile
   ========================= */
@media (max-width: 920px){
  .wrap{
    padding: 20px;
  }

  .grid2,
  .grid3,
  .grid-3,
  .types-grid,
  .admin-grid,
  .admin-bugs,
  .profile-layout,
  .course-layout{
    grid-template-columns: 1fr;
  }

  .title{
    flex-direction: column;
    align-items: stretch;
    gap:10px;
  }

  .title .btn{
    width:100%;
    justify-content:center;
  }

  /* NAV */
  .nav{
    flex-wrap: wrap;
    padding: 14px 20px;
  }

  .nav-toggle{
    display: inline-flex;
  }

  .navlinks{
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .navlinks.open{
    display: flex;
  }

  .navlinks a{
    display: block;
    width: 100%;
    padding: 12px 14px;
    text-align: left;
    border-radius: 12px;
    background: rgba(255,255,255,.04);
    border: 1px solid transparent;
  }

  .navlinks a:hover{
    border-color: var(--line);
  }

  .navlinks .btn,
  .navlinks .pill{
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero .badge{
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* POUR QUI */
  #pour-qui{
    overflow-x: hidden;
  }

  #pour-qui .pourqui-grid{
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    width: 100%;
  }

  #pour-qui .pourqui-grid > *{
    min-width: 0;
  }

  #pour-qui .card{
    width: 100%;
    min-width: 0;
  }

  #pour-qui h3,
  #pour-qui p{
    overflow-wrap: anywhere;
  }
  #resume-progress .grid3{
    grid-template-columns: 1fr;
  }

  #resume-progress .card[style*="grid-column: span 2"]{
    grid-column: auto !important;
  }

  #resume-progress .step{
    flex-direction: column;
    align-items: stretch;
  }

  #resume-progress .step .num{
    width: 100%;
    min-width: 0;
    height: 48px;
    border-radius: 14px;
  }

  #resume-progress .step .content{
    width: 100%;
  }

  #resume-progress .step .action{
    width: 100%;
  }

  #resume-progress .step .action .btn{
    width: 100%;
    justify-content: center;
  }

  /* PROFILE */
  .profile-top-edit{
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .profile-top-edit-info{
    width: 100%;
  }

  .profile-page,
  .profile-layout,
  .profile-main{
    width: 100%;
    min-width: 0;
  }

  .profile-hero{
    width: 100%;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    padding: 18px 14px;
    gap: 14px;
  }

  .profile-hero-left{
    width: 100%;
    justify-content: center;
    text-align: center;
    gap: 12px;
  }

  .profile-identity{
    width: 100%;
    min-width: 0;
    display: grid;
    gap: 10px;
    justify-items: stretch;
  }

  .profile-identity .badge{
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
  }

  .profile-identity h1{
    margin: 0;
    text-align: center;
    font-size: clamp(24px, 7vw, 32px);
    line-height: 1.1;
  }

  .profile-identity .sub{
    margin: 0;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  .profile-meta{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 6px;
  }

  .profile-meta .pill{
    width: 100%;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 10px 12px;
  }

  .profile-avatar{
    width: 88px;
    height: 88px;
  }

  .profile-stats{
    grid-template-columns: 1fr;
  }
  
  .quiz-head{
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
  }

  .quiz-head > div:first-child{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }

  .quiz-head .badge{
    justify-content: center;
  }

  .quiz-head h1{
    margin: 4px 0 0;
    font-size: clamp(26px, 7vw, 32px);
    line-height: 1.1;
  }

  .pill-note{
    width: 100%;
    justify-content: center;
    text-align: center;
    font-size: 0.9rem;
    padding: 10px 12px;
  }

  /* CHAPTERS */
  .chapter-summary{
    grid-template-columns: 1fr;
    align-items: start;
  }

  .chapter-summary-actions{
    width: 100%;
    justify-content: flex-start;
  }

  .chapter-meta{
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .chapter-meta .badge{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .chapter-summary-actions{
    width: 100%;
  }

  .chapter-toggle{
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .chapter-meta-row{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }

  .chapter-meta-row .badge,
  .chapter-meta-row .chapter-toggle{
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }

  .auth-cta-row{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .auth-cta-row .btn{
    width: 100%;
    justify-content: center;
  }

  /* LESSON ITEMS */
  .lesson-item{
    grid-template-columns: 1fr;
    padding: 12px;
    gap: 10px;
  }

  .lesson-item-title{
    font-size: 1rem;
    line-height: 1.2;
  }

  .lesson-item-meta{
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .lesson-item-meta .badge{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .lesson-item-meta .badge{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .lesson-item-actions{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: stretch;
  }

  .lesson-item-actions .btn{
    width: 100%;
    min-width: 0;
  }

  /* TRACKING */
  .course-tracking-item{
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }

  .course-tracking-head{
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .course-tracking-head h3{
    margin: 0;
    font-size: 1rem;
    line-height: 1.3;
  }

  .course-tracking-head .status-badge{
    width: fit-content;
  }

  .course-progress-bar{
    height: 10px;
  }

  /* 👉 META CLEAN */
  .course-tracking-meta{
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: .92rem;
    opacity: .85;
  }

  .course-tracking-meta span{
    display: flex;
    align-items: baseline;
    gap: 10px;
  }

  .course-tracking-meta span b{
    margin-left: auto;
    font-weight: 700;
    color: var(--text);
  }

  /* 👉 lignes avec date (pas de <b>) */
  .course-tracking-meta span:not(:has(b)){
    justify-content: space-between;
  }

  /* 👉 bouton plein width */
  .course-tracking-actions{
    width: 100%;
    margin-top: 6px;
  }

  .course-tracking-actions .btn{
    width: 100%;
    justify-content: center;
  }

  /* espace entre les forms */
  .panel.stack form{
    display: block;
  }

  /* boutons reset */
  .panel.stack .btn{
    width: 100%;
    justify-content: center;
    padding: 12px 14px;
    font-weight: 700;

    border-color: rgba(255,120,120,.18);
    background: rgba(255,120,120,.06);
  }

  /* hover un peu plus clair */
  .panel.stack .btn:hover{
    background: rgba(255,120,120,.10);
    border-color: rgba(255,120,120,.35);
  }
  /* STEPS */
  .step{
    align-items: flex-start;
  }

  .step .action{
    margin-left: 0;
    width: 100%;
  }

  .step .action .btn{
    width: 100%;
  }

  /* FOOTER */
  .footer .fgrid{
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-bottom{
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .nav-bottom .btn{
    width: 100%;
    justify-content: center;
  }

  .choice{
    font-size: 1rem;
    line-height: 1.45;
    padding: 14px 15px;
    text-align: center;
  }

  .quiz-actions .btn,
  .quiz-end-actions .btn{
    font-size: 1rem;
    padding: 12px 16px;
  }

  .quiz-actions{
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .quiz-actions .btn{
    width: 100%;
    justify-content: center;
  }
  .hero-actions,
  .nav-bottom,
  .quiz-actions,
  .quiz-end-actions{
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero-actions .btn,
  .nav-bottom .btn,
  .quiz-actions .btn,
  .quiz-end-actions .btn{
    width: 100%;
    justify-content: center;
    font-size: 1rem;
    padding: 12px 16px;
  }
  .course-layout{
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .course-aside{
    display: none;
    position: static;
    order: -1;
  }

  .lesson{
    padding: 14px;
  }

  .course-title{
    font-size: clamp(24px, 6vw, 34px);
    line-height: 1.15;
  }

  .course-meta{
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .course-meta .tag{
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .lesson h2{
    margin: 24px 0 10px;
    font-size: 1.35rem;
    line-height: 1.2;
  }

  .lesson h3{
    margin: 14px 0 8px;
    font-size: 1.08rem;
    line-height: 1.25;
  }

  .lesson p{
    font-size: 15.5px;
    line-height: 1.7;
    text-align: left;
    overflow-wrap: anywhere;
  }

.lesson ul{
    list-style:none;
    padding-left:0;
  }

  .lesson li{
    position:relative;
    padding:10px 12px 10px 34px;
    margin:8px 0;
  }

  .lesson li::before{
    content:"";
    position:absolute;
    left:12px;
    top:18px;
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--accent);
  }

  .figure{
    width: 100%;
    margin: 16px 0 18px;
    margin-left: -4px;
    margin-right: -4px;
    padding: 8px;
    border-radius: 14px;
    cursor: default;
  }

  .figure img{
    width: 100%;
    height: auto;
    border-radius: 12px;
    cursor: zoom-in;
  }

  .figure::after{
    content: "👆 Appuyer pour agrandir";
    right: 12px;
    bottom: 12px;
    font-size: 11px;
    padding: 6px 9px;
  }

  .figure figcaption{
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
  }

  .toc{
    padding: 14px;
  }

  .toc h3{
    margin-bottom: 8px;
  }

  .toc a{
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .callout{
    margin: 16px 0;
    padding: 12px;
    line-height: 1.65;
  }

  .types-grid{
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .types-grid .card{
    padding: 14px;
  }

  .panel.lesson,
  .panel.course-aside{
    box-shadow: none;
  }
  .figure{
    cursor: default;
  }

  .figure img{
    cursor: zoom-in;
  }

  .image-lightbox{
    padding: 12px;
  }

  .image-lightbox img{
    max-height: 78vh;
    border-radius: 12px;
  }

  .image-lightbox-close{
    top: 8px;
    right: 8px;
    width: 40px;
    height: 40px;
  }
    /* container */
  details.card{
    padding: 14px;
  }

  /* summary bouton */
  details.card > summary{
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* form full width */
  details.card form{
    width: 100%;
    max-width: 100%;
    gap: 12px;
  }

  /* labels plus lisibles */
  details.card label{
    font-size: 13px;
  }

  /* inputs plus gros pour le tactile */
  details.card select,
  details.card textarea{
    font-size: 16px;
    padding: 14px;
  }

  /* textarea */
  details.card textarea{
    min-height: 120px;
  }

  /* bouton plein largeur */
  details.card button.btn.primary{
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }
  .quiz-score-card{
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px 14px;
    text-align: center;
  }

  .quiz-score-ring{
    width: 132px;
    height: 132px;
  }

  .quiz-score-ring::before{
    inset: 10px;
  }

  .quiz-score-main{
    font-size: clamp(34px, 9vw, 44px);
  }

  .quiz-score-sub{
    font-size: 20px;
  }

  .quiz-score-content{
    justify-items: center;
  }

  .quiz-message{
    text-align: center;
    max-width: none;
  }

  .quiz-end-actions{
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .quiz-end-actions .btn{
    width: 100%;
    min-width: 0;
  }
}