/* Lexia-IA — feuille de style commune aux guides /guides/
   Palette alignee sur lexia-ia.fr : #5b8def primaire, #1f2a44 texte, #6b7893 attenue */

:root{
  --lx-blue:#5b8def;
  --lx-blue-dark:#3d6fd0;
  --lx-ink:#1f2a44;
  --lx-muted:#6b7893;
  --lx-bg-soft:#f5f8ff;
  --lx-border:#dbe5fb;
  --lx-max:760px;
}

*{box-sizing:border-box}
body.lx-guide{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.7;color:var(--lx-ink);
  background:#fff;-webkit-font-smoothing:antialiased;
}

/* --- en-tete --- */
.lx-topbar{border-bottom:1px solid var(--lx-border);background:#fff;
  position:sticky;top:0;z-index:50}
.lx-topbar-in{max-width:var(--lx-max);margin:0 auto;padding:14px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.lx-brand{font-weight:700;font-size:17px;color:var(--lx-ink);text-decoration:none;letter-spacing:-.01em}
.lx-brand span{color:var(--lx-blue)}
.lx-topcta{font-size:14px;font-weight:600;color:#fff;background:var(--lx-blue);
  text-decoration:none;padding:9px 16px;border-radius:8px;white-space:nowrap}
.lx-topcta:hover{background:var(--lx-blue-dark)}

/* --- structure --- */
.lx-wrap{max-width:var(--lx-max);margin:0 auto;padding:0 22px}
.lx-breadcrumb{font-size:13px;color:var(--lx-muted);margin:26px 0 0}
.lx-breadcrumb a{color:var(--lx-muted);text-decoration:none}
.lx-breadcrumb a:hover{color:var(--lx-blue);text-decoration:underline}

.lx-eyebrow{display:inline-block;margin:22px 0 0;font-size:12px;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:var(--lx-blue)}
h1.lx-h1{font-size:38px;line-height:1.2;letter-spacing:-.02em;font-weight:800;
  margin:12px 0 16px}
.lx-meta{font-size:14px;color:var(--lx-muted);border-bottom:1px solid var(--lx-border);
  padding-bottom:20px;margin-bottom:6px}
.lx-chapo{font-size:19px;line-height:1.65;color:#34405e;margin:26px 0}

h2{font-size:26px;line-height:1.3;letter-spacing:-.015em;font-weight:750;
  margin:44px 0 14px;scroll-margin-top:78px}
h3{font-size:19px;line-height:1.4;font-weight:700;margin:28px 0 10px}
p{margin:0 0 17px}
a{color:var(--lx-blue)}
strong{font-weight:650;color:#16203a}
ul,ol{margin:0 0 18px;padding-left:22px}
li{margin-bottom:8px}

/* --- sommaire --- */
.lx-toc{background:var(--lx-bg-soft);border:1px solid var(--lx-border);
  border-radius:12px;padding:20px 24px;margin:30px 0}
.lx-toc-t{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--lx-muted);margin-bottom:12px}
.lx-toc ol{margin:0;padding-left:20px;font-size:15.5px}
.lx-toc li{margin-bottom:7px}
.lx-toc a{text-decoration:none}
.lx-toc a:hover{text-decoration:underline}

/* --- tableaux --- */
.lx-tw{overflow-x:auto;margin:24px 0;-webkit-overflow-scrolling:touch}
table.lx-t{width:100%;border-collapse:collapse;font-size:15.5px;min-width:520px}
table.lx-t caption{text-align:left;font-size:13.5px;color:var(--lx-muted);
  padding-bottom:9px;font-style:italic}
table.lx-t th{background:var(--lx-bg-soft);text-align:left;font-weight:650;
  padding:11px 13px;border-bottom:2px solid var(--lx-border);color:#16203a}
table.lx-t td{padding:11px 13px;border-bottom:1px solid #eef2fa;vertical-align:top}
table.lx-t tr:last-child td{border-bottom:none}
table.lx-t tr.lx-total td{font-weight:700;background:#eef4ff;border-top:2px solid var(--lx-border)}
.lx-num{white-space:nowrap;font-variant-numeric:tabular-nums}

/* --- encarts --- */
.lx-key{border-left:3px solid var(--lx-blue);background:var(--lx-bg-soft);
  padding:18px 22px;border-radius:0 10px 10px 0;margin:26px 0}
.lx-key p:last-child{margin-bottom:0}
.lx-key-t{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--lx-blue);margin-bottom:7px}

/* --- FAQ --- */
.lx-faq{border-top:1px solid var(--lx-border);margin-top:16px}
.lx-faq details{border-bottom:1px solid var(--lx-border);padding:16px 0}
.lx-faq summary{font-weight:650;font-size:17px;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;gap:14px;color:#16203a}
.lx-faq summary::-webkit-details-marker{display:none}
.lx-faq summary::after{content:"+";color:var(--lx-blue);font-weight:700;font-size:21px;line-height:1}
.lx-faq details[open] summary::after{content:"\2013"}
.lx-faq details p{margin:12px 0 0;color:#41506f}


/* --- blocs de script (guides 3, 5, 6) --- */
.lx-script{border:1px solid var(--lx-border);border-radius:11px;margin:22px 0;overflow:hidden}
.lx-script-h{background:var(--lx-bg-soft);padding:11px 18px;font-size:12.5px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--lx-blue);
  border-bottom:1px solid var(--lx-border)}
.lx-script-b{padding:18px 20px;font-size:16px;line-height:1.72;color:#28334d}
.lx-script-b p{margin:0 0 12px}
.lx-script-b p:last-child{margin:0}
.lx-script-b em{color:var(--lx-muted);font-size:14.5px}
.lx-var{background:#eef4ff;border-radius:4px;padding:1px 6px;font-size:.94em;
  color:#3d6fd0;font-weight:600;white-space:nowrap}
.lx-warn{border-left:3px solid #e0a021;background:#fdf8ec;padding:18px 22px;
  border-radius:0 10px 10px 0;margin:26px 0}
.lx-warn-t{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#b07a10;margin-bottom:7px}
.lx-warn p:last-child{margin-bottom:0}

/* --- en-tete de section pied de page --- */
/* --- sources & pied --- */
.lx-sources{font-size:14px;color:var(--lx-muted);background:#fafbfe;
  border:1px solid #edf1f9;border-radius:10px;padding:18px 22px;margin:36px 0}
.lx-sources ul{margin:8px 0 0;padding-left:20px}
.lx-sources li{margin-bottom:5px}
.lx-foot{border-top:1px solid var(--lx-border);margin-top:48px;padding:26px 0 46px;
  font-size:14px;color:var(--lx-muted);text-align:center}
.lx-foot a{color:var(--lx-muted);text-decoration:none;margin:0 9px}
.lx-foot a:hover{color:var(--lx-blue);text-decoration:underline}

@media(max-width:640px){
  body.lx-guide{font-size:16.5px}
  h1.lx-h1{font-size:29px}
  h2{font-size:22px;margin-top:36px}
  h3{font-size:18px}
  .lx-chapo{font-size:17.5px}
  .lx-wrap{padding:0 18px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}