/* ============================================================================
   INGEFORMA — Plateforme e-learning « OF augmenté par l'IA »
   Charte : navy #1B3A5B / cyan #29ABE2 · Inter + Poppins
   ============================================================================ */
:root{
  --navy:#1B3A5B;--navy-2:#122A44;--navy-3:#0D1F33;
  --cyan:#29ABE2;--cyan-2:#1E8FC4;--cyan-soft:#E3F4FC;
  --bg:#F5F9FC;--card:#fff;--ink:#22344A;--muted:#5B7188;--line:#DFE9F2;
  --ok:#1FA97C;--warn:#E8A13C;--err:#D95757;
  --r:20px;--r-sm:12px;--shadow:0 10px 30px rgba(27,58,91,.10);--shadow-lg:0 24px 60px rgba(27,58,91,.16);
  --grad:linear-gradient(135deg,#29ABE2 0%,#1B6FB8 55%,#1B3A5B 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--navy);line-height:1.25}
a{color:var(--cyan-2)}
img,svg{max-width:100%}
.hidden{display:none!important}

/* ---------- App shell ---------- */
.app{display:grid;grid-template-columns:320px 1fr;min-height:100vh}
.side{background:var(--navy-3);color:#cfe3f2;position:sticky;top:0;height:100vh;overflow-y:auto;padding:0 0 30px}
.side::-webkit-scrollbar{width:8px}.side::-webkit-scrollbar-thumb{background:#274563;border-radius:8px}
.brand{display:flex;align-items:center;gap:11px;padding:20px 22px 16px;position:sticky;top:0;background:var(--navy-3);z-index:5;border-bottom:1px solid rgba(255,255,255,.08)}
.brand svg{width:34px;height:34px;flex:none}
.brand b{font-family:'Poppins';font-size:1.12rem;color:#fff}.brand b span{color:var(--cyan)}
.brand small{display:block;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#7fb4d8}
.side .prog{padding:16px 22px}
.side .prog .bar{height:9px;border-radius:99px;background:#22405c;overflow:hidden;margin-top:8px}
.side .prog .bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .5s}
.side .prog .stat{display:flex;justify-content:space-between;font-size:.78rem;color:#9fc4df;margin-top:8px}
.side .xp{display:flex;align-items:center;gap:8px;font-size:.82rem;color:#ffd98a;font-weight:600;margin-top:6px}
.nav-mod{padding:6px 12px}
.nav-mod .m{margin:2px 0;border-radius:10px;overflow:hidden}
.nav-mod .m>button{width:100%;display:flex;gap:10px;align-items:center;background:transparent;border:0;color:#dbeaf6;text-align:left;padding:11px 12px;cursor:pointer;font-family:'Inter';font-size:.9rem}
.nav-mod .m>button:hover{background:rgba(255,255,255,.06)}
.nav-mod .m .ic{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#23425e;font-size:.9rem;flex:none}
.nav-mod .m.done .ic{background:var(--ok)}
.nav-mod .m .mt{flex:1}
.nav-mod .m .mt b{display:block;font-family:'Poppins';font-size:.83rem;color:#fff;font-weight:600}
.nav-mod .m .mt small{font-size:.7rem;color:#8fb6d6}
.nav-mod .lessons{display:none;padding:2px 0 8px 48px}
.nav-mod .m.open .lessons{display:block}
.nav-mod .lessons a{display:flex;gap:8px;align-items:center;color:#bcd6ea;text-decoration:none;font-size:.82rem;padding:6px 10px;border-radius:8px}
.nav-mod .lessons a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-mod .lessons a.active{background:var(--cyan);color:#fff}
.nav-mod .lessons a .dot{width:8px;height:8px;border-radius:50%;border:1.5px solid #6f9cbd;flex:none}
.nav-mod .lessons a.seen .dot{background:var(--cyan);border-color:var(--cyan)}
.nav-mod .lessons a.active .dot{background:#fff;border-color:#fff}
.side .side-links{padding:10px 22px;border-top:1px solid rgba(255,255,255,.08);margin-top:10px}
.side .side-links a{display:block;color:#9fc4df;text-decoration:none;font-size:.84rem;padding:6px 0}
.side .side-links a:hover{color:#fff}

/* ---------- Main ---------- */
.main{min-width:0}
.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:12px 26px}
.topbar .crumb{font-size:.85rem;color:var(--muted);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar .crumb b{color:var(--navy)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:22px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px}
.badgebar{display:flex;gap:6px}
.badgebar .bg{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--line);font-size:.95rem;opacity:.35;filter:grayscale(1)}
.badgebar .bg.on{opacity:1;filter:none;background:var(--cyan-soft);box-shadow:inset 0 0 0 1.5px var(--cyan)}
.wrap{max-width:880px;margin:0 auto;padding:34px 26px 90px}

/* Lesson content */
.lesson-head{margin-bottom:8px}
.lesson-head .kick{display:inline-block;background:var(--cyan-soft);color:var(--cyan-2);font-weight:700;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.lesson-head h1{font-size:clamp(1.5rem,3vw,2.1rem);margin:12px 0 4px}
.lesson-head .meta{color:var(--muted);font-size:.9rem}
.slide{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:26px 28px;margin:20px 0}
.slide h3{font-size:1.2rem;margin-bottom:12px;padding-bottom:12px;border-bottom:2px solid var(--cyan-soft)}
.slide p{margin:10px 0}.slide ul,.slide ol{margin:10px 0 10px 22px}.slide li{margin:6px 0}
.slide .svgwrap{background:#fbfdff;border:1px solid var(--line);border-radius:var(--r-sm);padding:16px;margin:16px 0;overflow-x:auto}
.cbox{border-radius:var(--r-sm);padding:14px 16px;margin:16px 0;font-size:.95rem}
.cbox b{display:block;margin-bottom:4px;font-family:'Poppins'}
.cbox.info{background:var(--cyan-soft);border-left:4px solid var(--cyan)}
.cbox.warn{background:#FFF8E9;border-left:4px solid var(--warn)}.cbox.warn b{color:#8A6212}
.cbox.cite{background:#F0F5F9;border-left:4px solid var(--navy)}
.cprompt{background:var(--navy-3);border-radius:var(--r-sm);padding:14px 16px;margin:14px 0;position:relative}
.cprompt .cp-tag{display:inline-block;background:var(--cyan);color:#fff;font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:99px;margin-bottom:8px}
.cprompt code{display:block;color:#e7f3fb;font-family:'Inter';font-size:.9rem;line-height:1.6;white-space:pre-wrap}
.cprompt .copy{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:8px;padding:5px 10px;font-size:.75rem;cursor:pointer}
.cprompt .copy:hover{background:rgba(255,255,255,.26)}

/* Resources */
.res{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin:18px 0}
.res h4{font-size:1rem;margin-bottom:10px}
.res a.ritem{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:10px;text-decoration:none;color:inherit;border:1px solid transparent}
.res a.ritem:hover{background:var(--cyan-soft);border-color:#bfe3f5}
.res .rt{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none;background:var(--cyan-soft);font-size:1rem}
.res .rt.video{background:#fdeaea}.res .rt.article{background:#eaf3ff}.res .rt.outil{background:#e8f8f1}
.res .rb b{color:var(--navy);font-family:'Poppins';font-size:.92rem}
.res .rb small{display:block;color:var(--muted);font-size:.82rem}

/* Nav buttons */
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Poppins';font-weight:600;font-size:.92rem;padding:12px 22px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(41,171,226,.32)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-2)}
.btn.lg{padding:15px 30px;font-size:1rem}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* Quiz */
.quiz{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:26px 28px;margin:22px 0}
.quiz h3{font-size:1.2rem;margin-bottom:6px}
.qitem{border-top:1px solid var(--line);padding:18px 0}
.qitem:first-of-type{border-top:0}
.qitem .qq{font-weight:600;color:var(--navy);font-family:'Poppins';margin-bottom:10px}
.qopt{display:block;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;margin:7px 0;cursor:pointer;font-size:.93rem;transition:.15s}
.qopt:hover{border-color:var(--cyan)}
.qopt.sel{border-color:var(--cyan);background:var(--cyan-soft)}
.qopt.correct{border-color:var(--ok);background:#e8f8f1}
.qopt.wrong{border-color:var(--err);background:#fdeaea}
.qexpl{font-size:.86rem;color:var(--muted);margin-top:8px;padding:10px 12px;background:var(--bg);border-radius:8px;display:none}
.qexpl.show{display:block}
.qresult{text-align:center;padding:20px;border-radius:var(--r-sm);margin-top:16px;font-family:'Poppins';font-weight:600}
.qresult.pass{background:#e8f8f1;color:#0f7a56}
.qresult.fail{background:#fdeaea;color:#b23b3b}

/* Gamification toast */
.toast{position:fixed;right:20px;bottom:20px;z-index:200;background:var(--navy);color:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-lg);display:flex;gap:12px;align-items:center;transform:translateY(140%);transition:transform .5s;max-width:330px}
.toast.show{transform:translateY(0)}
.toast .ti{font-size:1.6rem}
.toast b{font-family:'Poppins';display:block}
.toast small{color:#bcd6ea;font-size:.82rem}

/* Gate / paywall */
.gate{max-width:560px;margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:34px 32px;text-align:center}
.gate .lock{font-size:2.4rem}
.gate h2{font-size:1.5rem;margin:12px 0 6px}
.gate p{color:var(--muted);margin:8px 0}
.gate .field{margin:16px 0;text-align:left}
.gate label{font-weight:600;font-size:.88rem;color:var(--navy);display:block;margin-bottom:6px}
.gate input{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;font-family:'Inter'}
.gate input:focus{outline:none;border-color:var(--cyan)}
.gate .err{color:var(--err);font-size:.85rem;margin-top:8px;display:none}
.gate .sep{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.8rem;margin:20px 0}
.gate .sep::before,.gate .sep::after{content:"";flex:1;height:1px;background:var(--line)}

/* Certificate */
.cert{background:#fff;border:2px solid var(--cyan);border-radius:var(--r);padding:0;margin:24px auto;max-width:720px;box-shadow:var(--shadow-lg);overflow:hidden}
.cert .top{background:var(--grad);color:#fff;padding:26px 30px;text-align:center}
.cert .top .em{font-size:2.2rem}
.cert .top h2{color:#fff;font-size:1.5rem;margin-top:6px}
.cert .body{padding:28px 34px;text-align:center}
.cert .name{font-family:'Poppins';font-size:1.8rem;color:var(--navy);margin:10px 0;border-bottom:2px dashed var(--line);display:inline-block;padding-bottom:6px}
.cert .row{display:flex;justify-content:space-around;flex-wrap:wrap;gap:14px;margin:22px 0;text-align:center}
.cert .row div b{display:block;font-family:'Poppins';color:var(--cyan-2);font-size:1.15rem}
.cert .row div small{color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em}
.cert .verif{background:var(--bg);border-radius:10px;padding:12px;font-size:.82rem;color:var(--muted);word-break:break-all}
.cert .verif b{color:var(--navy);font-family:'Poppins'}

@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:300px;z-index:100;transform:translateX(-100%);transition:transform .3s;box-shadow:var(--shadow-lg)}
  .side.open{transform:translateX(0)}
  .burger{display:block}
  .scrim{position:fixed;inset:0;background:rgba(13,31,51,.5);z-index:90;display:none}
  .scrim.show{display:block}
}