:root{
  --encre:#16222e; --encre2:#3a4a5a; --gris:#6b7785; --ligne:#dfe3e8; --fond:#f5f3ee; --carte:#ffffff;
  --accent:#c2571a; --accent-f:#a54612; --accent-c:#fbeee5;
  --bleu:#1f5f99; --bleu-c:#e6eff8; --vert:#2e7d4f; --vert-c:#e5f3ea; --rouge:#b42318; --rouge-c:#fdeceb;
  --ambre:#a76a00; --ambre-c:#fff4dc;
  --r:10px; --ombre:0 1px 2px rgba(22,34,46,.06),0 4px 14px rgba(22,34,46,.06);
  --police:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"Cascadia Mono",Consolas,"SFMono-Regular",Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--police);color:var(--encre);background:var(--fond);font-size:15.5px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--bleu)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:1.6rem} h2{font-size:1.25rem} h3{font-size:1.05rem}
.cache{display:none!important}
.muet{color:var(--gris)} .petit{font-size:.85rem} .gras{font-weight:600}
.mono{font-family:var(--mono)}

/* barre du haut */
.barre{background:var(--encre);color:#fff;position:sticky;top:0;z-index:30}
.barre .int{max-width:1240px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.marque{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;letter-spacing:.01em}
.marque i{width:28px;height:28px;border-radius:7px;background:var(--accent);display:grid;place-items:center;font-style:normal;font-size:.95rem}
.barre .esp{flex:1}
.barre .qui{font-size:.88rem;opacity:.85;text-align:right}
.barre button.lien{background:none;border:1px solid rgba(255,255,255,.35);color:#fff}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav button{background:none;border:0;color:#cfd8e1;padding:8px 12px;border-radius:8px;font-size:.92rem;cursor:pointer}
.nav button:hover{background:rgba(255,255,255,.08);color:#fff}
.nav button.actif{background:rgba(255,255,255,.14);color:#fff;font-weight:600}

.page{max-width:1240px;margin:0 auto;padding:24px 18px 80px}
.etroit{max-width:880px}

/* cartes */
.carte{background:var(--carte);border:1px solid var(--ligne);border-radius:var(--r);box-shadow:var(--ombre);padding:20px}
.carte+.carte{margin-top:16px}
.grille{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat{padding:16px 18px}
.stat b{display:block;font-size:1.7rem;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{color:var(--gris);font-size:.85rem}

/* formulaires */
label{display:block;font-weight:600;font-size:.9rem;margin:12px 0 5px}
input[type=text],input[type=password],input[type=number],input[type=datetime-local],input[type=search],select,textarea{
  width:100%;font:inherit;color:inherit;background:#fff;border:1px solid #c9d0d8;border-radius:8px;padding:9px 11px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--bleu);box-shadow:0 0 0 3px rgba(31,95,153,.15)}
textarea{min-height:110px;resize:vertical}
.ligne-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.ligne-form>*{flex:1;min-width:150px}
.case{display:flex;gap:8px;align-items:center;font-weight:500;margin:10px 0}
.case input{width:18px;height:18px;accent-color:var(--accent)}

button,.btn{font:inherit;font-weight:600;font-size:.93rem;border-radius:8px;border:1px solid transparent;padding:9px 16px;cursor:pointer;
  background:var(--accent);color:#fff;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:background .15s}
button:hover,.btn:hover{background:var(--accent-f)}
button:disabled{opacity:.55;cursor:not-allowed}
button.sec,.btn.sec{background:#fff;color:var(--encre);border-color:#c9d0d8}
button.sec:hover{background:#f1f3f5}
button.danger{background:var(--rouge)} button.danger:hover{background:#8f1c13}
button.ok{background:var(--vert)} button.ok:hover{background:#235f3c}
button.mini{padding:5px 10px;font-size:.82rem}
button.grand{padding:13px 22px;font-size:1rem}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* badges */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;font-weight:600;padding:2px 9px;border-radius:99px;background:#eef1f4;color:var(--encre2);white-space:nowrap}
.badge.vert{background:var(--vert-c);color:var(--vert)} .badge.rouge{background:var(--rouge-c);color:var(--rouge)}
.badge.ambre{background:var(--ambre-c);color:var(--ambre)} .badge.bleu{background:var(--bleu-c);color:var(--bleu)}
.point{width:9px;height:9px;border-radius:50%;display:inline-block;background:#aab3bd}
.point.on{background:#2fb164;box-shadow:0 0 0 3px rgba(47,177,100,.2)} .point.off{background:var(--rouge)}

/* tableaux */
.tab-wrap{overflow-x:auto;border:1px solid var(--ligne);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--ligne);vertical-align:middle}
th{background:#f7f8fa;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--gris);position:sticky;top:0}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#fafbfc}

/* messages */
.alerte{border-radius:8px;padding:11px 14px;margin:12px 0;font-size:.92rem;border:1px solid}
.alerte.err{background:var(--rouge-c);border-color:#f3c3bf;color:#7a1b12}
.alerte.info{background:var(--bleu-c);border-color:#c5d9ee;color:#173f66}
.alerte.att{background:var(--ambre-c);border-color:#f0d9a6;color:#6b4500}
.alerte.ok{background:var(--vert-c);border-color:#bfe0cb;color:#1d5234}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:90;display:flex;flex-direction:column;gap:8px;align-items:center}
#toast div{background:var(--encre);color:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--ombre);font-size:.92rem;max-width:90vw}

/* modale */
.voile{position:fixed;inset:0;background:rgba(14,22,30,.55);z-index:80;display:grid;place-items:center;padding:16px}
.modale{background:#fff;border-radius:12px;max-width:560px;width:100%;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.25);max-height:90vh;overflow:auto}
.modale.large{max-width:1100px}
.modale h2{margin-bottom:10px}

/* connexion */
.accueil-login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.accueil-login .gauche{background:var(--encre);color:#fff;padding:56px 48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.accueil-login .gauche:after{content:"";position:absolute;right:-120px;bottom:-120px;width:380px;height:380px;border-radius:50%;border:56px solid rgba(194,87,26,.35)}
.accueil-login .gauche h1{font-size:2.2rem;max-width:12em;margin-top:40px}
.accueil-login .gauche p{color:#c6d0da;max-width:30em}
.accueil-login .droite{display:grid;place-items:center;padding:32px 20px}
.accueil-login form{width:100%;max-width:400px}
.liste-regles{padding-left:18px;color:#c6d0da;font-size:.92rem} .liste-regles li{margin:4px 0}
@media(max-width:820px){.accueil-login{grid-template-columns:1fr}.accueil-login .gauche{padding:32px 22px}.accueil-login .gauche h1{margin-top:16px;font-size:1.6rem}}

/* épreuve */
.epreuve-barre{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--ligne);box-shadow:0 2px 8px rgba(0,0,0,.04)}
.epreuve-barre .int{max-width:1240px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.chrono{font-family:var(--mono);font-size:1.55rem;font-weight:700;font-variant-numeric:tabular-nums;padding:4px 12px;border-radius:8px;background:var(--bleu-c);color:var(--bleu)}
.chrono.bas{background:var(--ambre-c);color:var(--ambre)} .chrono.critique{background:var(--rouge-c);color:var(--rouge);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}
.progress{height:7px;background:#e8ebef;border-radius:99px;overflow:hidden;min-width:140px}
.progress i{display:block;height:100%;background:var(--vert);transition:width .3s}
.etat-save{font-size:.82rem;color:var(--gris);min-width:110px}
.mise{display:grid;grid-template-columns:200px 1fr;gap:24px;max-width:1240px;margin:0 auto;padding:22px 18px 120px}
.navq{position:sticky;top:84px;align-self:start;background:#fff;border:1px solid var(--ligne);border-radius:var(--r);padding:12px}
.navq .puces{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.navq a{display:grid;place-items:center;height:32px;border-radius:7px;border:1px solid #cfd5dc;font-size:.82rem;font-weight:600;color:var(--encre2);text-decoration:none}
.navq a.fait{background:var(--vert-c);border-color:#a9d6b9;color:var(--vert)}
@media(max-width:860px){.mise{grid-template-columns:1fr}.navq{position:static}.navq .puces{grid-template-columns:repeat(10,1fr)}}
.section-titre{margin:26px 0 10px;padding:8px 0;border-bottom:2px solid var(--encre);font-size:1.08rem;display:flex;justify-content:space-between;gap:10px}
.section-titre:first-child{margin-top:0}
.question{background:#fff;border:1px solid var(--ligne);border-radius:var(--r);padding:18px 20px;margin-bottom:14px;scroll-margin-top:96px}
.question .tete{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.question .num{font-weight:700;color:var(--accent)}
.question .enonce{font-weight:600;white-space:pre-line}
.question img.illus{display:block;max-width:100%;max-height:300px;margin:12px 0;border-radius:8px;border:1px solid var(--ligne);background:#fff}
.question img.schema{max-height:520px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--ligne);border-radius:8px;margin:7px 0;cursor:pointer;transition:background .12s,border-color .12s}
.opt:hover{background:#f8f9fb}
.opt input{margin-top:4px;accent-color:var(--accent);width:17px;height:17px;flex:none}
.opt.choisi{border-color:var(--accent);background:var(--accent-c)}
.opt .lettre{font-weight:700;color:var(--gris);min-width:18px}
.cas-contexte{background:var(--bleu-c);border:1px solid #c5d9ee;border-radius:var(--r);padding:16px 18px;margin:8px 0 14px;white-space:pre-line}
.app-grille{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:700px){.app-grille{grid-template-columns:1fr}}
.app-grille ol,.app-grille ul{margin:0;padding-left:0;list-style:none}
.app-grille li{padding:7px 0;border-bottom:1px dashed var(--ligne);display:flex;gap:10px;align-items:center}
.app-grille li b{min-width:22px}
.app-grille select{width:76px;flex:none}
.leg-grille{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.leg-grille div{display:flex;align-items:center;gap:8px}
.leg-grille b{width:28px;height:28px;border-radius:50%;background:var(--encre);color:#fff;display:grid;place-items:center;flex:none;font-size:.85rem}
.vignette-cam{position:fixed;right:16px;bottom:16px;z-index:50;width:168px;border-radius:10px;overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.25);background:#000;border:2px solid #fff}
.vignette-cam video{display:block;width:100%;transform:scaleX(-1)}
.vignette-cam span{position:absolute;left:6px;top:6px;font-size:.7rem;background:rgba(180,35,24,.9);color:#fff;padding:1px 7px;border-radius:99px;font-weight:700}
.bloquant{position:fixed;inset:0;z-index:85;background:rgba(14,22,30,.9);color:#fff;display:grid;place-items:center;text-align:center;padding:20px}
.bloquant>div{max-width:460px}
.cam-zone{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cam-zone video,.cam-zone img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#1b2530;border-radius:10px}
.cam-zone video{transform:scaleX(-1)}
@media(max-width:640px){.cam-zone{grid-template-columns:1fr}}

/* rapport */
.note-geante{font-size:3.2rem;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.note-geante small{font-size:1.2rem;color:var(--gris);font-weight:600}
.res{margin-top:12px;border-radius:8px;padding:10px 12px;font-size:.92rem;background:#f7f8fa;border-left:4px solid #c9d0d8}
.res.bon{border-left-color:var(--vert);background:var(--vert-c)} .res.faux{border-left-color:var(--rouge);background:var(--rouge-c)} .res.partiel{border-left-color:var(--ambre);background:var(--ambre-c)}
.res div+div{margin-top:4px}
.pts{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}

/* surveillance */
.mur{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tuile{background:#fff;border:1px solid var(--ligne);border-radius:12px;overflow:hidden;box-shadow:var(--ombre);display:flex;flex-direction:column}
.tuile.alerte-r{border:2px solid var(--rouge);box-shadow:0 0 0 4px rgba(180,35,24,.12)}
.tuile.alerte-a{border:2px solid var(--ambre)}
.tuile.fini{opacity:.6}
.tuile .cam{position:relative;aspect-ratio:4/3;background:#1b2530}
.tuile .cam img.live{width:100%;height:100%;object-fit:cover;display:block}
.tuile .cam img.id{position:absolute;right:6px;bottom:6px;width:58px;height:44px;object-fit:cover;border:2px solid #fff;border-radius:6px}
.tuile .cam .age{position:absolute;left:6px;bottom:6px;background:rgba(0,0,0,.6);color:#fff;font-size:.72rem;padding:1px 7px;border-radius:99px}
.tuile .cam .sans{position:absolute;inset:0;display:grid;place-items:center;color:#9fb0c0;font-size:.85rem}
.tuile .corps{padding:10px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.tuile .nom{font-weight:700;font-size:.95rem;display:flex;justify-content:space-between;gap:8px;align-items:center}
.tuile .ligne{display:flex;gap:6px;flex-wrap:wrap;align-items:center;font-size:.82rem}
.tuile .btns{display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 12px}
.galerie{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.galerie figure{margin:0;font-size:.72rem;color:var(--gris);text-align:center}
.galerie img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;cursor:zoom-in;background:#1b2530}
.galerie figure.id img{outline:3px solid var(--accent)}
.compo td input,.compo td select{padding:6px 8px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
@media print{.barre,.epreuve-barre,.actions,.nav,button{display:none!important}body{background:#fff}.carte,.question{box-shadow:none;break-inside:avoid}}