/* =========================================================================
   QCM CPFAE — Feuille de styles (mobile-first)
   ========================================================================= */

:root {
  --orange: #ea7317;
  --orange-dark: #c85e0a;
  --green: #1f8a4c;
  --green-dark: #166638;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #eef0f4;
  --text: #1c2430;
  --text-soft: #5a6675;
  --border: #e2e6ec;
  --ok: #1f8a4c;
  --ok-bg: #e7f5ec;
  --ko: #d43d3d;
  --ko-bg: #fdeaea;
  --facile: #1f8a4c;
  --moyen: #d98a00;
  --difficile: #c0392b;
  --shadow: 0 2px 10px rgba(20, 30, 45, 0.06);
  --shadow-lg: 0 8px 30px rgba(20, 30, 45, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
  --maxw: 640px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1b212a;
    --surface-2: #242c37;
    --text: #eaeef4;
    --text-soft: #9aa6b4;
    --border: #2c343f;
    --ok-bg: #16321f;
    --ko-bg: #3a1d1d;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }

.app {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* ---------- En-tête ---------- */
.appbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  padding-top: max(14px, env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.appbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.2px;
  font-size: 1.02rem;
}
.appbar .brand .logo {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--orange), var(--green));
  color: #fff; font-size: 1.1rem; flex: none;
}
.appbar .spacer { flex: 1; }
.appbar .userchip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 46%;
}
.appbar .userchip .avatar {
  width: 22px; height: 22px; border-radius: 999px; flex: none;
  background: var(--green); color: #fff;
  display: grid; place-items: center; font-size: 0.72rem; font-weight: 800;
}
.appbar .userchip .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iconbtn {
  border: none; background: transparent; color: var(--text-soft);
  font-size: 1.05rem; padding: 8px; border-radius: 10px; line-height: 1;
}
.iconbtn:active { background: var(--surface-2); }

/* ---------- Zone de contenu ---------- */
.screen {
  flex: 1;
  padding: 18px 16px calc(28px + env(safe-area-inset-bottom));
  animation: fade 0.28s ease;
}
@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.h2 { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.3px; }
.sub { color: var(--text-soft); font-size: 0.94rem; margin-top: 6px; }
.section-label {
  text-transform: uppercase; letter-spacing: 0.6px; font-size: 0.72rem;
  font-weight: 800; color: var(--text-soft); margin: 22px 2px 10px;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  border: none; border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 1rem; font-weight: 700;
  background: var(--surface-2); color: var(--text);
  transition: transform 0.06s ease, filter 0.15s ease;
  min-height: 54px;
}
.btn:active { transform: scale(0.985); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: var(--shadow); }
.btn-primary:active { background: var(--orange-dark); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:active { background: var(--green-dark); }
.btn-ghost { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { width: auto; flex: 1; }

/* ---------- Accueil ---------- */
.hero {
  text-align: center;
  padding: 30px 6px 10px;
}
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-soft); font-size: 0.78rem; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero .biglogo {
  width: 74px; height: 74px; border-radius: 20px; margin: 0 auto 18px;
  display: grid; place-items: center; font-size: 2rem;
  background: linear-gradient(135deg, var(--orange), var(--green));
  color: #fff; box-shadow: var(--shadow-lg);
}
.field { margin-top: 22px; }
.field label { display: block; font-weight: 700; font-size: 0.9rem; margin: 0 2px 8px; }
.input {
  width: 100%; border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text); border-radius: var(--radius-sm);
  padding: 16px; font-size: 1.05rem; min-height: 56px;
}
.input:focus { outline: none; border-color: var(--orange); }
.helper { color: var(--text-soft); font-size: 0.82rem; margin: 10px 4px 0; text-align: center; }

.recent { margin-top: 26px; }
.recent-user {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 8px;
}
.recent-user .avatar {
  width: 38px; height: 38px; border-radius: 999px; flex: none;
  background: var(--green); color: #fff; display: grid; place-items: center;
  font-weight: 800;
}
.recent-user .meta { flex: 1; min-width: 0; }
.recent-user .meta .n { font-weight: 700; }
.recent-user .meta .s { font-size: 0.8rem; color: var(--text-soft); }
.recent-user .go { color: var(--text-soft); font-size: 1.2rem; }

/* ---------- Cartes / listes ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; margin-bottom: 14px;
  transition: transform 0.06s ease;
}
.card.tappable:active { transform: scale(0.99); }

.module-card { position: relative; overflow: hidden; }
.module-card .top { display: flex; align-items: flex-start; gap: 14px; }
.module-card .mIcon {
  width: 48px; height: 48px; border-radius: 14px; flex: none;
  display: grid; place-items: center; font-size: 1.5rem;
  background: var(--surface-2);
}
.module-card .mMeta { flex: 1; min-width: 0; }
.module-card .mMeta .mName { font-weight: 800; font-size: 1.06rem; letter-spacing: -0.2px; }
.module-card .mMeta .mDesc { color: var(--text-soft); font-size: 0.86rem; margin-top: 3px; }
.module-card .chev { color: var(--text-soft); font-size: 1.3rem; align-self: center; }

.progress {
  height: 10px; border-radius: 999px; background: var(--surface-2);
  overflow: hidden; margin-top: 16px;
}
.progress > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--green), var(--orange));
  border-radius: 999px; transition: width 0.5s ease;
}
.progress-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 8px; font-size: 0.82rem; color: var(--text-soft); font-weight: 600;
}

.statgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 10px; text-align: center;
}
.stat .v { font-size: 1.5rem; font-weight: 800; }
.stat .l { font-size: 0.72rem; color: var(--text-soft); font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; margin-top: 2px; }

/* ---------- Sélecteurs (difficulté / nombre) ---------- */
.opt-list { display: flex; flex-direction: column; gap: 10px; }
.selectable {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-sm); padding: 15px 16px;
  transition: border-color 0.12s ease, background 0.12s ease;
  text-align: left; width: 100%; color: var(--text);
}
.selectable.on { border-color: var(--orange); background: color-mix(in srgb, var(--orange) 8%, var(--surface)); }
.selectable .dot {
  width: 22px; height: 22px; border-radius: 999px; flex: none;
  border: 2px solid var(--border); display: grid; place-items: center;
}
.selectable.on .dot { border-color: var(--orange); }
.selectable.on .dot::after { content: ""; width: 11px; height: 11px; border-radius: 999px; background: var(--orange); }
.selectable .txt { flex: 1; }
.selectable .txt .t { font-weight: 700; }
.selectable .txt .d { font-size: 0.82rem; color: var(--text-soft); }
.selectable .count { font-size: 0.8rem; color: var(--text-soft); font-weight: 700; }

.pill {
  display: inline-block; font-size: 0.7rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.4px;
  padding: 3px 9px; border-radius: 999px;
}
.pill-facile { background: var(--ok-bg); color: var(--facile); }
.pill-moyen { background: #fbf0d8; color: var(--moyen); }
.pill-difficile { background: var(--ko-bg); color: var(--difficile); }
@media (prefers-color-scheme: dark) {
  .pill-moyen { background: #3a2f14; }
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 14px; font-size: 0.85rem; font-weight: 600;
  color: var(--text);
}
.chip.on { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ---------- Quiz ---------- */
.quizbar {
  position: sticky; top: 0; z-index: 15;
  background: var(--bg); padding: 12px 0 10px;
}
.quizbar .meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; font-weight: 700; color: var(--text-soft); margin-bottom: 8px;
}
.quizbar .timer.warn { color: var(--ko); }
.qcard { margin-top: 6px; }
.q-theme { font-size: 0.78rem; color: var(--text-soft); font-weight: 700; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.q-text { font-size: 1.22rem; font-weight: 700; letter-spacing: -0.3px; line-height: 1.35; }

.answers { display: flex; flex-direction: column; gap: 11px; margin-top: 20px; }
.answer {
  display: flex; align-items: center; gap: 13px;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px;
  text-align: left; width: 100%; color: var(--text);
  font-size: 1rem; transition: border-color 0.12s, background 0.12s, transform 0.06s;
  min-height: 58px;
}
.answer:active { transform: scale(0.99); }
.answer .key {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  background: var(--surface-2); display: grid; place-items: center;
  font-weight: 800; font-size: 0.9rem;
}
.answer .lab { flex: 1; }
.answer.correct { border-color: var(--ok); background: var(--ok-bg); }
.answer.correct .key { background: var(--ok); color: #fff; }
.answer.wrong { border-color: var(--ko); background: var(--ko-bg); }
.answer.wrong .key { background: var(--ko); color: #fff; }
.answer.locked { pointer-events: none; }
.answer.dim { opacity: 0.55; }
.answer .mark { font-size: 1.1rem; margin-left: auto; }

.feedback {
  margin-top: 16px; border-radius: var(--radius-sm); padding: 15px 16px;
  border: 1px solid var(--border); animation: fade 0.2s ease;
}
.feedback.ok { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.feedback.ko { background: var(--ko-bg); border-color: color-mix(in srgb, var(--ko) 35%, transparent); }
.feedback .fb-title { font-weight: 800; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.feedback.ok .fb-title { color: var(--ok); }
.feedback.ko .fb-title { color: var(--ko); }
.feedback .fb-exp { font-size: 0.92rem; color: var(--text); }

.quiz-foot { position: sticky; bottom: 0; padding: 12px 0 calc(8px + env(safe-area-inset-bottom)); background: linear-gradient(to top, var(--bg) 70%, transparent); }

/* ---------- Résultats ---------- */
.result-hero { text-align: center; padding: 12px 4px 6px; }
.score-ring {
  width: 150px; height: 150px; border-radius: 999px; margin: 8px auto 16px;
  display: grid; place-items: center; position: relative;
  background: conic-gradient(var(--ring-color) calc(var(--pct) * 1%), var(--surface-2) 0);
}
.score-ring::before {
  content: ""; position: absolute; inset: 12px; border-radius: 999px; background: var(--surface);
}
.score-ring .inner { position: relative; text-align: center; }
.score-ring .inner .big { font-size: 2.1rem; font-weight: 800; line-height: 1; }
.score-ring .inner .small { font-size: 0.78rem; color: var(--text-soft); font-weight: 700; }
.result-msg { font-size: 1.15rem; font-weight: 800; }
.result-detail { color: var(--text-soft); margin-top: 4px; }

.review-item {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px; margin-bottom: 10px; background: var(--surface);
}
.review-item .rq { font-weight: 700; margin-bottom: 10px; }
.review-line { display: flex; gap: 8px; font-size: 0.9rem; margin-top: 5px; align-items: flex-start; }
.review-line .ic { flex: none; }
.review-line.good { color: var(--ok); }
.review-line.bad { color: var(--ko); }
.review-line .txt { color: var(--text); }
.review-exp { font-size: 0.86rem; color: var(--text-soft); margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border); }

.empty { text-align: center; color: var(--text-soft); padding: 40px 20px; }
.empty .em { font-size: 2.4rem; }

.backlink {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-soft); font-weight: 700; font-size: 0.9rem;
  background: none; border: none; padding: 4px 0; margin-bottom: 6px;
}

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 999px;
  font-size: 0.88rem; font-weight: 700; opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s; z-index: 50; box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.switch {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
}
.switch .lab { font-weight: 700; }
.switch .lab .d { font-weight: 500; font-size: 0.8rem; color: var(--text-soft); }
.toggle { width: 50px; height: 30px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); position: relative; flex: none; transition: background 0.15s; }
.toggle::after { content: ""; position: absolute; top: 2px; left: 2px; width: 24px; height: 24px; border-radius: 999px; background: #fff; box-shadow: var(--shadow); transition: transform 0.16s; }
.toggle.on { background: var(--green); border-color: var(--green); }
.toggle.on::after { transform: translateX(20px); }

.theme-stat { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.theme-stat .tn { flex: 1; font-size: 0.9rem; font-weight: 600; min-width: 0; }
.theme-stat .bar { width: 90px; height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; flex: none; }
.theme-stat .bar > span { display: block; height: 100%; border-radius: 999px; }
.theme-stat .tp { width: 44px; text-align: right; font-size: 0.82rem; font-weight: 700; color: var(--text-soft); flex: none; }

.footnote { text-align: center; color: var(--text-soft); font-size: 0.76rem; margin-top: 24px; padding-top: 8px; }