:root{--marine:#0A2B5E;--or:#F2B705;--or2:#e0a800;--gris:#f3f5f9;--bord:#dde3ee;--txt:#14213d;--mut:#5b6678}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--txt);background:#eef1f6;padding-bottom:80px}
a{color:inherit}h1,h2{color:var(--marine);margin:0 0 8px}h2{font-size:19px;margin:22px 0 10px}
main{max-width:1200px;margin:auto;padding:12px}
/* anciens en-têtes (admin, professeur) */
header{position:sticky;top:0;z-index:5;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--bord)}
header img{height:44px;border-radius:6px}nav a{color:var(--marine);font-weight:700;text-decoration:none;margin-left:14px}
/* en-tête style Amazon */
#entete{background:var(--marine);color:#fff;position:sticky;top:0;z-index:20;display:block;padding:0;border:0}
.hd{display:flex;align-items:center;gap:8px;padding:8px 12px;flex-wrap:wrap;max-width:1200px;margin:auto}
.logo img{height:44px;border-radius:6px;background:#fff;display:block}
.droite{margin-left:auto;display:flex;gap:4px}.droite a{color:#fff;text-decoration:none;font-weight:700;padding:8px;border-radius:8px;font-size:14px;margin:0}
.droite a:hover{background:rgba(255,255,255,.15)}
.rech{flex:1 1 100%;order:3;position:relative;display:flex}
.rech input{flex:1;min-width:0;border:0;border-radius:10px 0 0 10px;padding:12px 14px;font-size:16px;width:auto}
.rech button{border:0;background:var(--or);color:var(--marine);padding:0 18px;border-radius:0 10px 10px 0;font-size:18px;cursor:pointer}
.sug{position:absolute;top:100%;left:0;right:0;background:#fff;color:var(--txt);border-radius:0 0 10px 10px;box-shadow:0 8px 20px rgba(0,0,0,.25);overflow:hidden;z-index:30}
.sug a{display:block;padding:10px 14px;text-decoration:none;border-top:1px solid var(--bord)}.sug a:hover{background:var(--gris)}.sug small{color:var(--mut);margin-left:6px}
.sousnav{background:#14468f;overflow-x:auto;white-space:nowrap;padding:0 8px}
.sousnav a{display:inline-block;color:#fff;text-decoration:none;padding:9px 10px;font-size:14px;font-weight:600}.sousnav a:hover{background:rgba(255,255,255,.15)}
@media(min-width:760px){.rech{flex:1;order:0;margin:0 12px}}
/* boutons */
.btn{display:inline-block;background:var(--or);color:var(--marine);font-weight:800;padding:12px 22px;border-radius:24px;text-decoration:none;border:0;font-size:16px;cursor:pointer;text-align:center}
.btn:hover{background:var(--or2)}.btn:disabled{opacity:.5}.btn.plein{width:100%}.btn.s{background:#fff;border:1px solid var(--bord);font-weight:700}
.btn.pt{padding:8px 12px;font-size:14px;width:100%;margin-top:8px}.btn.ach{background:#ff9f1a;margin-top:8px}
/* carrousel */
.car{position:relative;border-radius:14px;overflow:hidden}
.pistes{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.pistes::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;min-height:170px;display:flex;align-items:center;padding:24px;color:#fff;text-decoration:none}
.slide h2{color:#fff;font-size:24px;margin:0 0 4px}.slide p{margin:0 0 12px;opacity:.95}.slide .btn{width:auto;padding:10px 20px;margin:0}
.points{position:absolute;bottom:8px;left:0;right:0;text-align:center}.points i{display:inline-block;width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);margin:0 3px}.points i.on{background:#fff}
.tuiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.tuile{background:#fff;border-radius:14px;padding:16px;text-decoration:none;box-shadow:0 1px 3px rgba(0,0,0,.08)}.tuile b{display:block;font-size:18px;color:var(--marine)}.tuile span{color:var(--mut);font-size:14px}
/* produits */
.rang{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:6px}.rang .carte{flex:0 0 190px;scroll-snap-align:start}
.grille{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.carte{background:#fff;border-radius:12px;padding:12px;box-shadow:0 1px 3px rgba(0,0,0,.08);display:flex;flex-direction:column;gap:2px}
.carte .titre{font-weight:700;color:var(--marine);text-decoration:none;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.carte .vig{text-decoration:none}.carte .btn.pt{margin-top:auto}
.vignette{height:96px;border-radius:10px;background:var(--marine);margin-bottom:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.vignette img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(3px)}.vignette b{position:relative;background:#d62828;color:#fff;border-radius:5px;padding:2px 8px;font-size:13px}
.muted{color:var(--mut);font-size:14px}.etoiles{color:#f0a500;letter-spacing:1px}.note{min-height:20px;font-size:13px}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:20px;background:#1f9d55;color:#fff;margin:2px 0}.badge.non{background:var(--mut)}
.prix{font-weight:800;color:var(--marine);font-size:17px}.prix s{font-weight:400}.lien{color:#0b5cad;text-decoration:none}
/* catalogue */
.mise{display:block}.filtres{display:none;background:#fff;border-radius:12px;padding:14px}
.filtres.ouvert{display:block;position:fixed;inset:0;z-index:40;overflow:auto;border-radius:0}
.fg{margin-bottom:14px}.fg label{display:block;padding:2px 0}.fg input[type=checkbox]{width:auto;margin-right:6px}.prixf{display:flex;gap:6px}
.outils{display:flex;gap:8px;align-items:center;margin:8px 0}.outils select{flex:1}
@media(min-width:800px){.mise{display:grid;grid-template-columns:230px 1fr;gap:14px}.filtres{display:block;align-self:start;position:sticky;top:112px}.filtres.ouvert{position:sticky;inset:auto}#bfiltres,.fermer{display:none}}
/* fiche */
.fiche2{display:grid;gap:14px;background:#fff;border-radius:14px;padding:14px}.fiche2 .vignette{height:200px}
.achat{background:var(--gris);border:1px solid var(--bord);border-radius:12px;padding:14px}
@media(min-width:800px){.fiche2{grid-template-columns:280px 1fr 260px}}
.avis{border-top:1px solid var(--bord);padding:10px 0}.verif{color:#c45500;font-size:12px;font-weight:700}
.barre{display:flex;align-items:center;gap:8px;font-size:13px}.barre i{flex:1;height:8px;background:var(--bord);border-radius:4px;overflow:hidden}.barre i b{display:block;height:100%;background:#f0a500}
/* panier / commande */
.etapes{display:flex;gap:4px;list-style:none;padding:0;margin:0 0 14px}.etapes li{flex:1;text-align:center;font-size:12px;color:var(--mut);font-weight:600}
.etapes span{display:block;width:26px;height:26px;line-height:26px;margin:0 auto 2px;border-radius:50%;background:var(--bord)}.etapes .on span,.etapes .ok span{background:var(--marine);color:#fff}.etapes .on{color:var(--marine)}
.ligne{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--bord)}.ligne button{background:none;border:0;font-size:18px;cursor:pointer}
.info{background:#fff8e1;border:1px solid var(--or);border-radius:12px;padding:10px 12px;margin:10px 0;font-size:14px}
select,input,textarea{width:100%;padding:11px;border-radius:10px;border:1px solid var(--bord);font:inherit}input[type=checkbox]{width:auto}
#panier,#commande{background:#fff;border-radius:14px;padding:14px}
details.av{margin:6px 0}details.av summary{cursor:pointer;color:#0b5cad;font-weight:600}details.av form{display:grid;gap:8px;margin-top:8px}
footer{text-align:center;padding:24px 14px;color:var(--mut);font-size:14px}footer img{height:70px;border-radius:8px}
#toast{position:fixed;left:50%;bottom:78px;transform:translate(-50%,20px);background:var(--marine);color:#fff;padding:10px 16px;border-radius:24px;opacity:0;pointer-events:none;transition:.25s;z-index:60;white-space:nowrap}#toast.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}#toast a{color:var(--or);font-weight:700}
.wa{position:fixed;right:14px;bottom:14px;background:#25D366;color:#fff;text-decoration:none;font-weight:700;border-radius:30px;padding:12px 16px;box-shadow:0 4px 14px rgba(0,0,0,.3);z-index:50}
.rappel{display:flex;align-items:center;gap:10px;justify-content:center;background:#fff8e1;border-bottom:1px solid var(--or);padding:6px 10px;font-size:14px;flex-wrap:wrap}.rappel .btn{padding:6px 14px;font-size:14px}.rappel button{background:none;border:0;font-size:16px;cursor:pointer;color:var(--mut)}
.legal{background:#fff;border-radius:14px;padding:16px;max-width:800px;margin:auto}.legal h2{font-size:17px;margin:18px 0 6px}.legal p{margin:0 0 8px}