:root{
  --bg:#eef2f7;
  --panel:rgba(255,255,255,.96);
  --text:#111827;
  --muted:#64748b;
  --line:#dbe3ee;
  --accent:#2563eb;
  --accent-dark:#1d4ed8;
  --ok:#16a34a;
  --ko:#dc2626;
  --shadow:0 16px 40px rgba(15,23,42,.14);
}

*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
button,select{font:inherit}
button{touch-action:manipulation}

.app-shell{position:relative;width:100%;height:100%;overflow:hidden}
#map{position:absolute;inset:0;z-index:1;background:#e9eef5}
.leaflet-container{font:inherit;background:#e9eef5;cursor:crosshair}
.leaflet-control-attribution{font-size:9px!important;opacity:.7}
.leaflet-control-zoom{border:0!important;box-shadow:var(--shadow)!important}
.leaflet-control-zoom a{border:0!important;color:#111827!important}

.topbar{position:absolute;z-index:900;top:max(10px,env(safe-area-inset-top));left:12px;right:12px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.brand,.icon-btn{pointer-events:auto}
.brand{display:flex;gap:10px;align-items:center;background:rgba(17,24,39,.92);color:white;padding:8px 12px 8px 8px;border-radius:16px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#fff;color:#111827;font-weight:900;font-size:13px;letter-spacing:.04em}
.brand h1{font-size:14px;line-height:1.1;margin:0}.brand p{font-size:10px;margin:3px 0 0;color:#cbd5e1}
.icon-btn{width:44px;height:44px;border:0;border-radius:14px;background:rgba(255,255,255,.96);box-shadow:var(--shadow);font-size:24px;cursor:pointer}

.card{background:var(--panel);border:1px solid rgba(255,255,255,.65);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.setup-panel{position:absolute;z-index:850;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(560px,calc(100% - 24px));padding:16px;border-radius:22px}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode-card{position:relative;display:flex;min-height:105px;flex-direction:column;justify-content:center;align-items:center;text-align:center;border:2px solid var(--line);border-radius:17px;padding:12px;cursor:pointer;transition:.16s ease;background:#fff}
.mode-card input{position:absolute;opacity:0;pointer-events:none}
.mode-card.selected{border-color:var(--accent);background:#eff6ff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.mode-icon{font-size:25px;line-height:1;margin-bottom:7px;color:var(--accent)}
.mode-card strong{font-size:15px}.mode-card small{font-size:11px;color:var(--muted);margin-top:3px}
.setup-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:13px 2px;color:#334155;font-size:13px;font-weight:700}
.setup-row select{border:1px solid var(--line);background:white;border-radius:10px;padding:8px 10px;max-width:210px}
.primary-btn{width:100%;border:0;border-radius:14px;background:var(--accent);color:#fff;padding:13px 16px;font-weight:850;cursor:pointer;box-shadow:0 10px 25px rgba(37,99,235,.24);transition:.15s ease}
.primary-btn:hover{background:var(--accent-dark)}.primary-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.loading-info{margin:9px 0 0;text-align:center;font-size:11px;color:var(--muted)}

.quiz-panel{position:absolute;z-index:850;top:max(68px,calc(env(safe-area-inset-top) + 66px));left:50%;transform:translateX(-50%);width:min(610px,calc(100% - 24px));pointer-events:none}
.hud{border-radius:20px;padding:14px 15px 13px;pointer-events:auto}
.hud-top{display:flex;gap:12px;justify-content:space-between;align-items:flex-start}
.eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:10px;font-weight:900;color:var(--accent)}
.question{font-size:clamp(19px,4vw,29px);font-weight:900;line-height:1.1;margin-top:4px}
.ghost-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 9px;color:#475569;font-size:11px;font-weight:800;cursor:pointer}
.feedback{min-height:23px;margin-top:7px;font-weight:800;font-size:13px;color:#475569}.feedback.ok{color:var(--ok)}.feedback.ko{color:var(--ko)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px}
.stats div{background:#f8fafc;border:1px solid #eef2f7;border-radius:10px;padding:6px 8px;text-align:center}
.stats strong{display:block;font-size:16px}.stats span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.05em;margin-top:1px}
.progress-track{height:5px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin-top:9px}.progress-bar{height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .25s ease}

.finish-panel{position:absolute;z-index:950;left:50%;top:50%;transform:translate(-50%,-50%);width:min(420px,calc(100% - 28px));padding:24px;border-radius:24px;text-align:center}
.finish-icon{margin:0 auto 12px;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#dcfce7;color:var(--ok);font-size:30px;font-weight:1000}
.finish-panel h2{margin:0;font-size:26px}.finish-panel p{color:#475569;line-height:1.45;margin:9px 0 18px}

.hidden{display:none!important}

.quiz-click-marker{width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--ko);box-shadow:0 2px 10px rgba(15,23,42,.4)}
.quiz-click-marker.ok{border-color:var(--ok)}
.pref-target{width:20px;height:20px;border-radius:50%;background:var(--ok);border:4px solid #fff;box-shadow:0 0 0 3px rgba(22,163,74,.25),0 4px 10px rgba(15,23,42,.3)}

@media (max-width:620px){
  .topbar{left:8px;right:8px}.brand{border-radius:14px}.brand p{display:none}.brand-mark{width:34px;height:34px}
  .setup-panel{bottom:max(10px,env(safe-area-inset-bottom));padding:12px;border-radius:18px}
  .mode-card{min-height:91px;padding:9px}.mode-icon{font-size:21px}.mode-card strong{font-size:13px}.mode-card small{font-size:9px}
  .quiz-panel{top:max(62px,calc(env(safe-area-inset-top) + 60px));width:calc(100% - 16px)}
  .hud{padding:11px 11px 10px;border-radius:16px}.question{font-size:20px}.feedback{font-size:12px}
  .stats div{padding:5px 3px}.stats strong{font-size:14px}.stats span{font-size:8px}
  .leaflet-control-zoom{margin-left:8px!important;margin-bottom:8px!important}
}

.top-actions{display:flex;gap:8px;align-items:center;pointer-events:auto}
#languageSelect{background:#fff;border:0;box-shadow:var(--shadow);border-radius:12px;padding:11px 8px;max-width:130px;font-weight:700;font-size:12px}
.score-line{display:flex;justify-content:space-between;gap:8px;margin-top:9px;font-size:11px;color:#475569;font-weight:750}
.finish-panel{max-height:min(83dvh,720px);overflow-y:auto;overscroll-behavior:contain;width:min(540px,calc(100% - 24px))}
.finish-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:15px 0}
.finish-stats>div{background:#f1f5f9;border-radius:12px;padding:11px 5px}
.finish-stats strong{display:block;font-size:21px;color:#1d4ed8}.finish-stats span{display:block;font-size:10px;color:#64748b;margin-top:3px}
.review{text-align:left;margin:12px 0 18px}.review h3{font-size:16px;margin:0 0 9px}
#reviewList{max-height:28dvh;overflow-y:auto;border:1px solid #e2e8f0;border-radius:12px}
.review-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-bottom:1px solid #e2e8f0}
.review-row:last-child{border-bottom:0}.review-label{min-width:0}.review-label strong{display:block;font-size:13px}.review-label small{display:block;color:#64748b;font-size:11px;margin-top:4px;overflow-wrap:anywhere}
.review-count{flex-shrink:0;border-radius:8px;background:#fee2e2;color:#b91c1c;padding:5px 7px;font-size:11px;font-weight:800}
.no-mistakes{margin:0!important;padding:12px;color:#16a34a!important;font-weight:700}
@media(max-width:620px){#languageSelect{max-width:105px;font-size:11px;padding:10px 5px}.finish-panel{padding:16px}.finish-stats strong{font-size:18px}}

/* Correction affichée jusqu'au clic sur Question suivante */
.answer-details{margin-top:9px;border:1px solid #dbeafe;background:#eff6ff;border-radius:12px;padding:10px 12px}
.answer-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.answer-detail-grid>div{min-width:0;display:flex;flex-direction:column;gap:3px}
.answer-detail-label{font-size:10px;letter-spacing:.055em;text-transform:uppercase;color:#475569;font-weight:750}
.answer-detail-grid strong{font-size:14px;overflow-wrap:anywhere;line-height:1.3}
.wrong-choice{margin-top:9px;padding-top:8px;border-top:1px solid #cbd5e1;font-size:12px;color:#b91c1c;font-weight:700}
.next-btn{margin-top:9px;padding:11px 15px}
@media(max-width:620px){.answer-details{padding:9px}.answer-detail-grid strong{font-size:12px}.next-btn{padding:10px}}

/* Mode inversé */
.quiz-config{margin-top:12px}
.reverse-answer{margin:12px 0;padding:14px;border-radius:14px;background:rgba(59,130,246,.09);border:1px solid rgba(96,165,250,.3)}
.reverse-answer>label{display:block;margin-bottom:8px;font-size:.85rem;font-weight:700}
.reverse-input-line{display:flex;gap:8px;align-items:stretch}
.reverse-input-line input{flex:1;min-width:0;padding:12px;border:1px solid #94a3b8;border-radius:10px;font-size:16px;background:#fff;color:#111827}
.reverse-input-line button{width:auto;white-space:nowrap;padding:0 15px}
.qcm-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.qcm-btn{padding:14px 8px;background:#f8fafc;color:#0f172a;border:1px solid #94a3b8;border-radius:10px;font-weight:700;cursor:pointer;min-height:48px}
.qcm-btn:hover{background:#dbeafe;border-color:#2563eb}
@media(max-width:540px){.qcm-options{grid-template-columns:1fr}.reverse-input-line button{padding:0 10px}}

/* Panneau du quiz ancré à gauche afin de dégager le centre de la carte. */
.quiz-panel{
  left:12px;
  right:auto;
  transform:none;
  width:min(340px,calc(100% - 24px));
}
@media (max-width:620px){
  .quiz-panel{
    left:8px;
    right:auto;
    transform:none;
    width:min(270px,calc(100% - 16px));
  }
  .hud{padding:10px}
  .question{font-size:18px}
  .answer-detail-grid{gap:6px}
  .stats{gap:4px}
}


/* Mobile: le panneau de question a sa propre zone ; la carte reste EN DESSOUS. */
@media (max-width: 620px) {
  html, body { height: 100%; height: 100dvh; overflow: hidden; }
  .app-shell { display:flex; flex-direction:column; height:100vh; height:100dvh; min-height:0; }
  .topbar {
    position:relative; flex:0 0 auto; top:auto; left:auto; right:auto;
    padding: max(8px, env(safe-area-inset-top)) 8px 6px;
    z-index:900;
  }
  .quiz-panel {
    position:relative; flex:0 0 auto; top:auto; left:auto; right:auto;
    transform:none; width:100%; padding:0 8px 6px;
    z-index:850; pointer-events:auto;
    max-height: min(50dvh, 360px); overflow-y:auto;
    overscroll-behavior:contain;
  }
  .hud { padding:9px 11px; border-radius:14px; }
  .question { font-size:18px; }
  .answer-details { margin-top:5px; padding:6px 8px; }
  .feedback { min-height:0; margin-top:4px; }
  .stats { margin-top:5px; }
  .score-line { margin-top:4px; }
  .progress-track { margin-top:4px; }
  #map {
    position:relative; inset:auto; top:auto; bottom:auto;
    flex:1 1 auto; min-height:130px; width:100%;
    z-index:1;
  }
  .reverse-answer { margin:6px 0; padding:8px; }
  .qcm-options { grid-template-columns:repeat(2,minmax(0,1fr)); gap:5px; }
  .qcm-btn { min-height:40px; padding:8px 5px; font-size:12px; }
  .setup-panel { max-height:calc(100dvh - 85px); overflow-y:auto; }
  .leaflet-control-zoom { margin-bottom: max(8px, env(safe-area-inset-bottom))!important; }
}

.feedback-nav-link{pointer-events:auto;display:inline-flex;align-items:center;white-space:nowrap;background:rgba(255,255,255,.96);color:#1e40af;padding:11px 13px;border-radius:12px;box-shadow:var(--shadow);text-decoration:none;font-size:12px;font-weight:850}
@media(max-width:480px){.feedback-nav-link{font-size:11px;padding:10px 7px}.brand p{display:none}.brand-mark{width:28px;height:28px}.top-actions select{max-width:94px}}

@media(max-width:620px){.top-actions{gap:4px}.top-actions .feedback-nav-link{font-size:10px;padding:8px 5px}.topbar{gap:4px}.brand{gap:5px;padding:5px}.brand h1{font-size:12px}.brand-mark{width:24px;height:24px}.top-actions #languageSelect{max-width:70px}.top-actions #resetViewBtn{width:30px;height:34px;font-size:19px}}

.distance-mode-link{display:flex;align-items:center;justify-content:space-between;gap:12px;text-decoration:none;color:#1d4ed8;font-size:14px;font-weight:850;border:1px solid #bfdbfe;background:#eff6ff;border-radius:12px;padding:12px 14px;margin-bottom:12px}.distance-mode-link:hover{background:#dbeafe}

.geo-mode-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:12px}.geo-mode-nav a{display:flex;justify-content:center;align-items:center;padding:10px 5px;text-align:center;border:1px solid #bfdbfe;border-radius:11px;background:#eff6ff;text-decoration:none;color:#1d4ed8;font-size:11px;font-weight:850}.geo-mode-nav a:hover{background:#dbeafe}@media(max-width:470px){.geo-mode-nav a{padding:9px 3px;font-size:10px}}