/* ============================================================
   Formation Électricien — NF C 15-100 — Styles (mobile-first)
   ============================================================ */

:root {
  --bleu: #2563eb;
  --bleu-fonce: #1e3a8a;
  --bleu-nuit: #1e40af;
  --jaune: #f59e0b;
  --jaune-fonce: #d97706;
  --vert: #16a34a;
  --rouge: #dc2626;
  --fond: #f1f5f9;
  --carte: #ffffff;
  --texte: #0f172a;
  --gris: #64748b;
  --gris-clair: #e2e8f0;
  --ombre: 0 6px 18px rgba(15, 23, 42, .10);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--fond);
  color: var(--texte);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

#app { max-width: 560px; margin: 0 auto; padding-bottom: 40px; min-height: 100vh; }
button { font-family: inherit; cursor: pointer; border: none; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(150deg, var(--bleu-nuit) 0%, var(--bleu) 100%);
  color: #fff; padding: 38px 22px 26px; border-radius: 0 0 26px 26px;
  text-align: center; padding-top: calc(38px + env(safe-area-inset-top));
}
.hero h1 { font-size: 1.65rem; font-weight: 800; letter-spacing: -.5px; }
.hero-sub { font-size: .92rem; opacity: .92; margin-top: 6px; }
.hero-prog {
  margin: 18px auto 6px; max-width: 280px; height: 10px;
  background: rgba(255, 255, 255, .25); border-radius: 99px; overflow: hidden;
}
.hero-prog-bar { height: 100%; background: var(--jaune); border-radius: 99px; transition: width .5s ease; }
.hero-prog-txt { font-size: .8rem; opacity: .92; }

/* ---------- Carte grade ---------- */
.grade-card {
  margin: 16px 16px 0; background: var(--carte); border-radius: 18px;
  padding: 16px; box-shadow: var(--ombre); display: flex; gap: 14px; align-items: center;
}
.grade-badge {
  flex: 0 0 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce));
  color: #fff; position: relative; display: flex; align-items: center; justify-content: center;
}
.grade-num {
  position: absolute; bottom: -4px; right: -4px;
  width: 22px; height: 22px; border-radius: 50%; background: var(--bleu);
  color: #fff; font-size: .8rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
}
.grade-meta { flex: 1; min-width: 0; }
.grade-label { font-size: .74rem; color: var(--gris); text-transform: uppercase; letter-spacing: 1px; }
.grade-nom { display: block; font-size: 1.15rem; font-weight: 800; color: var(--bleu-nuit); }
.grade-bar { height: 8px; background: var(--gris-clair); border-radius: 99px; overflow: hidden; margin: 7px 0 6px; }
.grade-bar-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--jaune), var(--bleu)); transition: width .5s ease;
}
.grade-hint { font-size: .8rem; color: var(--gris); }

/* ---------- Outils (2x2) ---------- */
.home-tools {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px 16px 0;
}
.tool-btn {
  background: var(--carte); border-radius: 14px; padding: 12px 8px;
  box-shadow: var(--ombre); font-weight: 700; font-size: .86rem; color: var(--texte);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.tool-btn:active { transform: scale(.97); }
.tool-ico {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit));
  color: #fff; font-weight: 800; font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Modules ---------- */
.modules { padding: 6px 16px 4px; }
.partie {
  font-size: .8rem; font-weight: 800; color: var(--bleu);
  text-transform: uppercase; letter-spacing: 1px; margin: 18px 0 8px 4px;
}
.mod-card {
  display: flex; align-items: center; gap: 14px; background: var(--carte);
  border-radius: 16px; padding: 13px 15px; box-shadow: var(--ombre);
  text-align: left; width: 100%; margin-bottom: 10px; transition: transform .12s ease;
}
.mod-card:active { transform: scale(.98); }
.mod-card.locked { opacity: .55; }
.mod-card.done { border: 2px solid var(--vert); }
.mod-num {
  flex: 0 0 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit));
  color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.mod-card.locked .mod-num { background: var(--gris-clair); color: var(--gris); }
.mod-card.done .mod-num { background: linear-gradient(150deg, var(--vert), #15803d); }
.mod-info { flex: 1; min-width: 0; }
.mod-titre { display: block; font-weight: 700; font-size: .96rem; }
.mod-sous { display: block; font-size: .77rem; color: var(--gris); }
.mod-state { flex: 0 0 auto; text-align: right; }
.go {
  background: var(--bleu); color: #fff; font-size: .78rem; font-weight: 700;
  padding: 6px 12px; border-radius: 99px;
}
.badge-score { display: inline-block; font-size: .8rem; font-weight: 800; color: var(--vert); margin-bottom: 2px; }
.stars { display: block; font-size: .82rem; letter-spacing: 1px; }
.star { color: var(--gris-clair); }
.star.on { color: var(--jaune); }
.lock { color: var(--gris); }

/* ---------- Carte examen ---------- */
.exam-card {
  margin: 14px 16px 0; background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce));
  border-radius: 18px; padding: 16px; box-shadow: var(--ombre); color: #fff;
}
.exam-card.exam-locked { background: var(--carte); color: var(--gris); cursor: default; }
.exam-top { display: flex; align-items: center; gap: 12px; }
.exam-ico {
  flex: 0 0 38px; height: 38px; border-radius: 11px;
  background: rgba(255, 255, 255, .25); color: #fff; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.exam-locked .exam-ico { display: none; }
.exam-txt { flex: 1; display: flex; flex-direction: column; }
.exam-txt strong { font-size: 1.02rem; }
.exam-txt span { font-size: .82rem; opacity: .92; }
.exam-card:not(.exam-locked):active { transform: scale(.99); }

.foot { text-align: center; font-size: .76rem; color: var(--gris); padding: 22px 20px 0; }
.link-reset { background: none; color: var(--rouge); text-decoration: underline; font-size: .76rem; }

/* ---------- Barre de navigation ---------- */
.bar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bleu-nuit); color: #fff;
  padding: 12px 14px; padding-top: calc(12px + env(safe-area-inset-top));
  position: sticky; top: 0; z-index: 10;
}
.back {
  background: rgba(255, 255, 255, .18); color: #fff; font-size: .85rem;
  font-weight: 600; padding: 7px 12px; border-radius: 10px;
}
.bar-titre { font-weight: 700; font-size: .95rem; }
.bar-side { min-width: 54px; text-align: right; font-size: .85rem; font-weight: 700; }

/* ---------- En-tête de module ---------- */
.mod-head { padding: 20px 18px 6px; }
.mod-partie { font-size: .74rem; font-weight: 800; color: var(--jaune-fonce); text-transform: uppercase; letter-spacing: 1px; }
.mod-head h2 { font-size: 1.32rem; font-weight: 800; letter-spacing: -.4px; margin-top: 2px; }
.mod-head p { color: var(--gris); font-size: .88rem; }

/* ---------- Cartes ---------- */
.card { background: var(--carte); margin: 14px 16px; padding: 16px; border-radius: 18px; box-shadow: var(--ombre); }
.card-h { font-size: 1.05rem; font-weight: 800; display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.dot { width: 12px; height: 12px; border-radius: 50%; flex: 0 0 auto; }
.dot-schema { background: var(--bleu); }
.dot-quiz { background: var(--bleu-nuit); }
.dot-jeu { background: var(--jaune); }
.card-p { font-size: .88rem; color: var(--gris); margin-bottom: 14px; }

.schema { background: #f8fafc; border-radius: 14px; padding: 8px; margin-bottom: 12px; }
.schema svg { width: 100%; height: auto; display: block; }

.notions { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.notions li { position: relative; padding-left: 22px; font-size: .9rem; }
.notions li::before {
  content: ""; position: absolute; left: 4px; top: 7px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--jaune);
}

/* ---------- Boutons ---------- */
.btn {
  display: block; width: 100%; padding: 14px; border-radius: 14px;
  font-size: 1rem; font-weight: 700; color: #fff;
  transition: transform .12s ease;
}
.btn:active { transform: scale(.97); }
.btn-quiz { background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit)); }
.btn-jeu { background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce)); }
.btn-next { background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit)); margin-top: 14px; }
.btn-rev { background: linear-gradient(150deg, #f97316, #ea580c); }
.btn-ghost { background: var(--gris-clair); color: var(--texte); }

/* ---------- Quiz ---------- */
.q-prog { height: 6px; background: var(--gris-clair); }
.q-prog-bar { height: 100%; background: var(--bleu); transition: width .3s ease; }
.q-wrap { padding: 20px 16px; }
.q-tag {
  display: inline-block; font-size: .72rem; font-weight: 800; color: var(--jaune-fonce);
  background: #fff7ed; border-radius: 99px; padding: 3px 10px; margin-bottom: 10px;
}
.q-text { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.q-opts { display: flex; flex-direction: column; gap: 10px; }
.opt {
  background: var(--carte); border: 2px solid var(--gris-clair); border-radius: 14px;
  padding: 14px; font-size: .95rem; text-align: left; color: var(--texte);
  transition: border-color .12s, background .12s;
}
.opt:active { background: #f8fafc; }
.opt-ok { border-color: var(--vert); background: #f0fdf4; }
.opt-no { border-color: var(--rouge); background: #fef2f2; }
.q-feedback { font-size: .9rem; margin-top: 14px; border-radius: 12px; }
.q-feedback:not(:empty) { padding: 12px 14px; }
.fb-ok { background: #f0fdf4; color: #15803d; }
.fb-no { background: #fef2f2; color: #b91c1c; }

/* ---------- Résultats ---------- */
.result { padding: 36px 22px; text-align: center; }
.result-score { font-size: 3.4rem; font-weight: 800; line-height: 1; }
.result-score span { font-size: 1.4rem; color: var(--gris); font-weight: 700; }
.res-ok .result-score { color: var(--vert); }
.res-no .result-score { color: var(--jaune); }
.result .stars { font-size: 1.7rem; margin: 10px 0; letter-spacing: 4px; }
.result-msg { font-size: .95rem; color: var(--gris); margin: 8px 0 16px; }
.evolve-note {
  background: #fff7ed; color: #b45309; font-weight: 700; font-size: .9rem;
  border-radius: 12px; padding: 10px 14px; margin: 4px 0 16px;
}
.result-btns { display: flex; flex-direction: column; gap: 10px; }

/* ---------- Jeux ---------- */
.game-wrap { padding: 20px 16px; }
.game-consigne { font-size: .92rem; color: var(--gris); margin-bottom: 18px; }
.game-item {
  background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit));
  color: #fff; font-size: 1.2rem; font-weight: 800; padding: 30px 18px;
  border-radius: 18px; text-align: center; box-shadow: var(--ombre); margin-bottom: 18px;
}
.game-cats { display: flex; flex-direction: column; gap: 10px; }
.cat-btn {
  background: var(--carte); border: 2px solid var(--gris-clair); border-radius: 14px;
  padding: 16px; font-size: 1rem; font-weight: 700; color: var(--texte);
}
.cat-btn:active { background: #f8fafc; }
.cat-btn.opt-ok { border-color: var(--vert); background: #f0fdf4; }
.cat-btn.opt-no { border-color: var(--rouge); background: #fef2f2; }

.order-slots { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.order-slot {
  display: flex; align-items: center; gap: 12px; background: var(--carte);
  border: 2px dashed var(--gris-clair); border-radius: 12px; padding: 12px 14px;
}
.order-pos {
  flex: 0 0 28px; height: 28px; border-radius: 8px; background: var(--bleu);
  color: #fff; font-weight: 800; display: flex; align-items: center;
  justify-content: center; font-size: .9rem;
}
.order-val { font-size: .9rem; font-weight: 600; }
.order-val em { color: var(--rouge); font-style: normal; font-weight: 500; font-size: .8rem; }
.slot-ok { border: 2px solid var(--vert); background: #f0fdf4; }
.slot-no { border: 2px solid var(--rouge); background: #fef2f2; }
.order-pool { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.chip {
  background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce));
  color: #fff; font-weight: 700; font-size: .88rem; padding: 12px 16px; border-radius: 12px;
}
.chip:active { transform: scale(.96); }
.order-actions { display: flex; flex-direction: column; gap: 10px; }

.match-cols { display: flex; gap: 10px; }
.match-col { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.match-item {
  background: var(--carte); border: 2px solid var(--gris-clair); border-radius: 12px;
  padding: 12px 10px; font-size: .82rem; font-weight: 600; color: var(--texte); min-height: 66px;
}
.m-sel { border-color: var(--bleu); background: #eff6ff; }
.m-done { border-color: var(--vert); background: #f0fdf4; opacity: .7; }

/* ---------- Lexique ---------- */
.lex-wrap, .aide-wrap { padding: 18px 16px; }
.lex-intro { font-size: .86rem; color: var(--gris); margin-bottom: 12px; }
.lex-search {
  width: 100%; padding: 13px 14px; border-radius: 13px; border: 2px solid var(--gris-clair);
  font-size: .95rem; font-family: inherit; margin-bottom: 14px; -webkit-appearance: none;
}
.lex-search:focus { outline: none; border-color: var(--bleu); }
.lex-list { display: flex; flex-direction: column; gap: 10px; }
.lex-item { background: var(--carte); border-radius: 14px; padding: 12px 14px; box-shadow: var(--ombre); }
.lex-term { display: block; font-weight: 800; font-size: .95rem; color: var(--bleu); }
.lex-def { display: block; font-size: .88rem; margin-top: 2px; }
.lex-empty { text-align: center; color: var(--gris); font-size: .9rem; padding: 20px; }

/* ---------- Aide-mémoire ---------- */
.aide-wrap .card { margin: 14px 0; }
.aide-table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.aide-table th {
  background: var(--bleu-nuit); color: #fff; font-weight: 700; text-align: left;
  padding: 8px 10px;
}
.aide-table th:first-child { border-radius: 8px 0 0 0; }
.aide-table th:last-child { border-radius: 0 8px 0 0; }
.aide-table td { padding: 8px 10px; border-bottom: 1px solid var(--gris-clair); }
.aide-table tr:nth-child(even) td { background: #f8fafc; }
.aide-table td:first-child { font-weight: 700; }

/* ---------- Calculatrices ---------- */
.calc-wrap { padding: 18px 16px; }
.calc-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.calc-tab {
  flex: 1; background: var(--carte); border: 2px solid var(--gris-clair);
  border-radius: 12px; padding: 10px 6px; font-size: .84rem; font-weight: 700; color: var(--gris);
}
.calc-tab.on { background: var(--bleu); border-color: var(--bleu); color: #fff; }
.calc-wrap .card { margin: 0; }
.calc-lbl { display: block; font-size: .82rem; font-weight: 600; color: var(--gris); margin-bottom: 12px; }
.calc-in {
  display: block; width: 100%; margin-top: 5px; padding: 12px 14px; border-radius: 12px;
  border: 2px solid var(--gris-clair); font-size: 1rem; font-family: inherit; -webkit-appearance: none;
}
.calc-in:focus { outline: none; border-color: var(--bleu); }
.calc-res { margin-top: 14px; border-radius: 12px; font-size: .95rem; }
.calc-res:not(:empty) { padding: 14px; }
.calc-res.ok { background: #eff6ff; color: var(--bleu-nuit); }
.calc-res.err { background: #fef2f2; color: #b91c1c; }
.calc-guide { display: flex; flex-direction: column; gap: 10px; }
.guide-btn {
  background: var(--carte); border: 2px solid var(--gris-clair); border-radius: 12px;
  padding: 13px; font-size: .92rem; font-weight: 700; color: var(--texte);
}
.guide-btn:active { background: #f8fafc; }

/* ---------- Progression ---------- */
.prog-wrap { padding-top: 4px; }
.grade-steps { display: flex; flex-direction: column; gap: 8px; }
.grade-step { display: flex; align-items: center; gap: 12px; opacity: .45; }
.grade-step.on { opacity: 1; }
.gs-dot {
  flex: 0 0 30px; height: 30px; border-radius: 50%; background: var(--gris-clair);
  color: var(--gris); font-weight: 800; display: flex; align-items: center;
  justify-content: center; font-size: .9rem;
}
.grade-step.on .gs-dot {
  background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce)); color: #fff;
}
.gs-nom { font-size: .92rem; font-weight: 700; }

/* ---------- Diplôme ---------- */
.dip-wrap { padding: 20px 16px; }
.diplome {
  background: var(--carte); border: 3px solid var(--jaune); border-radius: 20px;
  padding: 28px 20px; text-align: center; box-shadow: var(--ombre);
}
.dip-seal {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(150deg, var(--jaune), var(--jaune-fonce));
  color: #fff; font-size: 1.5rem; margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
}
.dip-kicker { text-transform: uppercase; letter-spacing: 3px; font-size: .78rem; font-weight: 800; color: var(--jaune-fonce); }
.dip-title { font-size: 1.45rem; font-weight: 800; margin: 2px 0 0; }
.dip-sub { font-size: .82rem; color: var(--gris); margin-bottom: 12px; }
.dip-line { font-size: .82rem; color: var(--gris); }
.dip-name {
  font-size: 1.5rem; font-weight: 800; color: var(--bleu);
  border-bottom: 2px dashed var(--gris-clair); display: inline-block;
  padding: 2px 18px 4px; margin: 4px 0 12px; min-width: 140px;
}
.dip-body { font-size: .85rem; color: var(--gris); }
.dip-score { font-size: 2.4rem; font-weight: 800; color: var(--vert); margin: 6px 0; }
.diplome .stars { font-size: 1.4rem; letter-spacing: 3px; }
.dip-date { font-size: .82rem; color: var(--gris); margin-top: 10px; }
.dip-input-lbl { display: block; font-size: .8rem; color: var(--gris); margin: 18px 0 16px; font-weight: 600; }
.dip-input {
  display: block; width: 100%; margin-top: 6px; padding: 12px 14px; border-radius: 12px;
  border: 2px solid var(--gris-clair); font-size: .95rem; font-family: inherit; -webkit-appearance: none;
}
.dip-input:focus { outline: none; border-color: var(--bleu); }

/* ---------- Avatar 3D ---------- */
model-viewer.mv {
  width: 100%; display: block;
  background: radial-gradient(circle at 50% 38%, #eef2ff 0%, #dbe3f3 70%, #cdd8ec 100%);
  border-radius: 16px;
  --poster-color: transparent;
}
.avatar-choose {
  display: flex; align-items: center; gap: 12px; width: calc(100% - 32px);
  margin: 16px 16px 0; background: linear-gradient(150deg, var(--bleu), var(--bleu-nuit));
  color: #fff; border-radius: 18px; padding: 14px 16px; box-shadow: var(--ombre);
  text-align: left;
}
.avatar-choose:active { transform: scale(.98); }
.ac-ico {
  flex: 0 0 40px; height: 40px; border-radius: 12px;
  background: rgba(255, 255, 255, .22); color: var(--jaune); font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.ac-txt { flex: 1; display: flex; flex-direction: column; }
.ac-txt strong { font-size: 1rem; }
.ac-txt span { font-size: .8rem; opacity: .92; }
.ac-go { font-size: 1.6rem; font-weight: 700; }

.avatar-card {
  margin: 16px 16px 0; background: var(--carte); border-radius: 18px;
  padding: 12px; box-shadow: var(--ombre);
}
.avatar-meta { padding: 12px 6px 4px; }
.avatar-line {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.avatar-nom { font-weight: 800; font-size: 1.1rem; }
.avatar-grade { font-size: .82rem; font-weight: 700; color: var(--bleu); }
.avatar-hint { font-size: .82rem; color: var(--gris); margin: 8px 0 10px; }
.avatar-change {
  background: var(--gris-clair); color: var(--texte);
  font-size: .82rem; font-weight: 700; padding: 9px 14px; border-radius: 10px;
}

.pick-wrap { padding: 20px 16px; }
.pick-intro { font-size: .9rem; color: var(--gris); margin-bottom: 14px; }
.pick-stage {
  background: var(--carte); border-radius: 18px; padding: 10px; box-shadow: var(--ombre);
}
.pick-nav {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin: 16px 0 4px;
}
.pick-arrow {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--bleu); color: #fff; font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.pick-arrow:active { transform: scale(.92); }
.pick-name {
  font-weight: 800; font-size: 1.2rem; text-align: center;
  display: flex; flex-direction: column; min-width: 130px;
}
.pick-name small { font-size: .72rem; font-weight: 600; color: var(--gris); }
.pick-stade { text-align: center; font-size: .82rem; color: var(--gris); margin-bottom: 14px; }