/* 2-ICA — charte 2026 (pages élève, cours, connexion) */
:root{
  --navy:#1B2A5B; --navy-deep:#11283F; --gold:#C8963E; --gold-ink:#8A6220; --gold-soft:#FBF4E6;
  --paper:#FFFFFF; --mist:#EEF1F6; --line:#D5DBE6; --ink:#1A2238; --muted:#566079;
  --ok:#1E7247; --ok-bg:#E8F4ED; --warn:#8A5A12; --warn-bg:#FBF1DF; --bad:#9B2C2C; --bad-bg:#FBEAEA;
  --serif:"Source Serif 4",Georgia,serif; --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans)}
img{max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);margin:0;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem);line-height:1.2;font-weight:600}
h3{font-size:1.1rem;line-height:1.3;font-weight:600}
p{margin:0}
.nw{white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}
.muted{color:var(--muted)}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:0 22px;border-radius:10px;font:600 1rem/1 var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;white-space:nowrap}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep)}
.btn-gold{background:var(--gold);color:var(--navy-deep)}
.btn-gold:hover{background:#B9883A}
.btn-line{border-color:var(--line);background:#fff;color:var(--navy)}
.btn-line:hover{border-color:var(--navy)}
.btn-ghost{background:none;border:0;padding:0;min-height:0;color:var(--navy);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px;font-weight:600;cursor:pointer}
.btn-sm{min-height:40px;padding:0 14px;font-size:.92rem}
.btn[disabled]{opacity:.55;cursor:default}
.link{color:var(--navy);font-weight:600;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}

/* en-tête */
.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:44px;height:44px;border-radius:50%;display:block}
.brand b{font:700 1.05rem/1.1 var(--serif);color:var(--navy);display:block}
.brand small{font-size:.8rem;color:var(--muted);white-space:nowrap}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{white-space:nowrap;padding:10px 12px;border-radius:8px;text-decoration:none;font-weight:500;font-size:.95rem;color:var(--ink)}
.nav a:hover{background:var(--mist)}
.nav a[aria-current]{color:var(--navy);font-weight:600;box-shadow:inset 0 -2px 0 var(--gold);border-radius:0}
.nav a.btn-navy{color:#fff}
.nav a.btn-navy:hover{background:var(--navy-deep)}
.nav .btn{margin-left:8px;min-height:42px;padding:0 16px;font-size:.95rem}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;min-height:42px;padding:0 14px;font:600 .95rem var(--sans);color:var(--navy);cursor:pointer}

/* bandeau de page */
.hero{background:var(--mist);padding:44px 0 36px}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span{margin:0 6px;color:#A9B2C4}
.hero h1{font-size:clamp(1.85rem,3.4vw,2.6rem);line-height:1.12;font-weight:700}
.hero .lead{color:var(--muted);font-size:1.08rem;max-width:64ch;margin-top:10px}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-ink)}

/* cartes et blocs */
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.section{padding:40px 0}
.section + .section{padding-top:0}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:12px 20px;flex-wrap:wrap;margin-bottom:18px}
.head-row p{color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.kpi b{display:block;font:700 1.7rem/1.1 var(--serif);color:var(--navy)}
.kpi span{font-size:.88rem;color:var(--muted)}
.tag{display:inline-block;font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap;background:var(--mist);color:var(--navy)}
.tag.gold{background:var(--gold-soft);color:var(--gold-ink)}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.pct{display:inline-block;min-width:3.6em;text-align:center;font-weight:600;font-size:.88rem;padding:3px 8px;border-radius:999px}
.pct.hi{background:var(--ok-bg);color:var(--ok)}
.pct.mid{background:var(--warn-bg);color:var(--warn)}
.pct.lo{background:var(--bad-bg);color:var(--bad)}
.bar{height:8px;background:var(--mist);border-radius:99px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--navy);border-radius:99px}
.bar.gold span{background:var(--gold)}
.empty{padding:32px;text-align:center;background:var(--mist);border-radius:12px;color:var(--muted)}
.empty b{display:block;font:600 1.12rem var(--serif);color:var(--navy);margin-bottom:6px}
.empty .btn{margin-top:14px}
.notice{padding:12px 16px;border-radius:10px;font-size:.95rem;background:var(--mist);color:var(--ink)}
.notice.ok{background:var(--ok-bg);color:#17573A}
.notice.warn{background:var(--warn-bg);color:#6E4710}
.notice.bad{background:var(--bad-bg);color:#7D2323}

/* formulaires */
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-weight:600;font-size:.93rem;color:var(--navy)}
.field input,.field select{width:100%;min-height:50px;padding:0 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;font-size:1rem}
.field input:focus,.field select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(27,42,91,.1)}
.field .hint{font-size:.85rem;color:var(--muted)}
.pw{position:relative}
.pw input{padding-right:96px}
.pw button{position:absolute;right:6px;top:50%;transform:translateY(-50%);min-height:38px;padding:0 10px;border:0;background:none;color:var(--navy);font-weight:600;font-size:.88rem;cursor:pointer;border-radius:8px}
.pw button:hover{background:var(--mist)}

/* tableau */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.95rem}
table.data th{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);background:#F7F8FB}
table.data td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
table.data tr:last-child td{border-bottom:0}
table.data td small{display:block;color:var(--muted);font-size:.82rem}

/* bande d’appel */
.cta-band{background:var(--navy);color:#E9EDF6;border-radius:18px;padding:34px 40px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center}
.cta-band h2{color:#fff;font-size:1.55rem}
.cta-band p{margin-top:8px}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-band .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-line:hover{border-color:#fff}

/* pied de page */
footer{border-top:1px solid var(--line);padding:48px 0 32px;font-size:.95rem;color:var(--muted);margin-top:64px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h4{font:600 .95rem var(--sans);color:var(--navy);margin:0 0 12px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
.motto{font:600 1.05rem var(--serif);color:var(--navy);margin-top:12px}
.legal{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* espace élève */
.space-hero{background:var(--mist);padding:36px 0 0}
.space-hero h1{font-size:clamp(1.8rem,3.2vw,2.4rem);line-height:1.12}
.space-hero .lead{color:var(--muted);margin-top:6px}
.subnav{display:flex;gap:4px;margin-top:24px;overflow-x:auto;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{padding:12px 16px;text-decoration:none;font-weight:600;font-size:.95rem;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap}
.subnav a:hover{color:var(--navy)}
.subnav a[aria-current]{color:var(--navy);border-bottom-color:var(--gold)}
.guest{display:flex;justify-content:space-between;align-items:center;gap:14px 24px;flex-wrap:wrap;padding:16px 20px;border-radius:12px;background:var(--gold-soft);border:1px solid #EBD9B6;margin-bottom:24px}
.guest b{display:block;color:var(--navy)}
.guest span{font-size:.93rem;color:var(--muted)}
.guest-acts{display:flex;gap:10px;flex-wrap:wrap}
.mast{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mast-i{padding:14px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.mast-i b{display:block;font:700 1.5rem/1.1 var(--serif);color:var(--navy)}
.mast-i > span{font-size:.85rem;color:var(--muted);display:block;margin-bottom:8px}
.mast-i.lv0 .bar span{background:#A9B2C4}
.mast-i.lv1 .bar span{background:#C9A86A}
.mast-i.lv2 .bar span{background:var(--gold)}
.mast-i.lv3 .bar span{background:var(--navy)}
.rank{display:flex;align-items:center;gap:16px}
.rank img{width:64px;height:64px;flex:none}
.rank small{display:block;font-size:.78rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--gold-ink)}
.rank b{font:600 1.15rem/1.25 var(--serif);color:var(--navy)}
.badge-locked img{filter:grayscale(1);opacity:.45}
.subj-row{display:grid;grid-template-columns:150px 1fr 56px;gap:12px;align-items:center;padding:8px 0}
.subj-row span{font-weight:600;font-size:.93rem}
.subj-row em{font-style:normal;text-align:right;font-weight:600;color:var(--navy);font-size:.93rem}
@media (max-width:640px){ .subnav a{padding:12px 11px;font-size:.92rem} .mast{grid-template-columns:repeat(2,1fr)} .subj-row{grid-template-columns:110px 1fr 48px} }

@media (max-width:1180px){
  .nav{display:none}
  .menu-btn{display:inline-flex;align-items:center}
  .nav.open{display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px;box-shadow:0 12px 24px rgba(17,40,63,.08)}
  .nav.open .btn{margin:8px 0 0}
}
@media (max-width:960px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .cta-band .acts{justify-content:flex-start}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .wrap,.wrap-narrow{padding:0 16px}
  .hero{padding:30px 0 26px}
  .card{padding:20px 18px}
  .cta-band{padding:26px 22px}
  .foot{grid-template-columns:1fr}
  .brand small{display:none}
  .btn{white-space:normal;text-align:center;line-height:1.2}
  table.data th,table.data td{padding:10px 12px}
}
main.auth ~ footer{margin-top:0}