/* ==========================================================================
   EuduGrade — Charte graphique (tokens « app », cf. README handoff §4)
   ========================================================================== */

:root{
  /* Couleurs marque */
  --navy:#0B2A4E; --navy-700:#143A66; --navy-900:#081F3A;
  --yellow:#FAC81E; --yellow-600:#F2BD07; --yellow-soft:#FEF6D9; --yellow-border:#F2E2A6;
  --slate:#6E8FBF; --blue-accent:#2C6FB3;
  /* Surfaces */
  --bg:#EFEDE6; --bg-2:#F6F5F1; --card:#fff; --card-tint:#FCFBF7;
  --line:#E7E4DA; --line-2:#ECE9DF; --line-3:#F0EEE6;
  /* Texte */
  --ink:#1A1F2B; --muted:#5B6473; --muted-2:#7B8492; --muted-3:#9AA2B0; --label:#A39B82;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Public Sans',system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--ink); -webkit-font-smoothing:antialiased;
  font-size:14px; line-height:1.55;
}
a{color:var(--blue-accent);text-decoration:none;}
input,select,button,textarea{font-family:inherit;}
::selection{background:var(--yellow);color:var(--navy);}
.serif{font-family:'Spectral',Georgia,serif;}

@keyframes eg-fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.fade{animation:eg-fade .4s ease both;}

/* Scrollbars */
::-webkit-scrollbar{height:11px;width:11px;}
::-webkit-scrollbar-thumb{background:#C7CEDB;border-radius:8px;border:3px solid transparent;background-clip:content-box;}
::-webkit-scrollbar-thumb:hover{background:#9FAcC4;background-clip:content-box;}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:none;border-radius:10px;
  padding:12px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:background .12s,box-shadow .12s,transform .12s,border-color .12s;}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 6px 16px rgba(11,42,78,.18);}
.btn-primary:hover{background:var(--navy-700);}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid #D8D4C7;}
.btn-secondary:hover{border-color:var(--navy);}
.btn-yellow{background:var(--yellow);color:var(--navy);font-weight:700;}
.btn-yellow:hover{background:var(--yellow-600);}
.btn-block{width:100%;}

/* ---------- Cartes ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;
  box-shadow:0 1px 3px rgba(11,42,78,.04);}

/* ==========================================================================
   Coquille d'application (sidebar + topbar)
   ========================================================================== */
.app{display:flex;min-height:100vh;background:var(--bg);}

.sidebar{width:252px;flex:none;color:#C6D3E6;display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;overflow:hidden;
  background:linear-gradient(168deg,#10396B 0%,#0B2A4E 48%,#071B33 100%);}
/* Formes organiques (inspiration « vagues »), teintées navy clair / or / teal — discrètes */
.sidebar::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(135% 48% at 12% -4%, rgba(54,110,176,.55), rgba(54,110,176,0) 62%),
    radial-gradient(120% 42% at 118% 20%, rgba(250,200,30,.10), rgba(250,200,30,0) 58%),
    radial-gradient(150% 55% at -25% 104%, rgba(35,140,160,.32), rgba(35,140,160,0) 60%);}
.sidebar::after{content:"";position:absolute;left:-40%;bottom:-12%;width:180%;height:46%;z-index:0;
  pointer-events:none;border-radius:48% 52% 40% 60%/60% 50% 50% 40%;
  background:radial-gradient(closest-side, rgba(35,140,160,.22), rgba(35,140,160,0));}
.sidebar > *{position:relative;z-index:1;}
.sidebar-head{padding:22px 20px 18px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.10);}
.sidebar-head img{width:42px;height:42px;object-fit:contain;margin:-4px 0;}
.brand{font-family:'Spectral',serif;font-weight:700;font-size:17px;color:#fff;line-height:1;}
.brand span{color:var(--yellow);}
.brand-sub{font-size:10.5px;letter-spacing:.14em;color:#8DA2C4;margin-top:3px;}
.nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:3px;overflow-y:auto;}
.nav-group{font-size:10.5px;letter-spacing:.13em;color:#7488AE;padding:12px 12px 6px;font-weight:700;text-transform:uppercase;}
.nav-sep{height:1px;background:rgba(255,255,255,.08);margin:8px 12px 4px;}
.nav-item{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:none;border:none;
  color:#C6D3E6;font-size:13.5px;padding:10px 13px;border-radius:10px;cursor:pointer;transition:background .14s,color .14s;}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff;}
.nav-item.active{background:rgba(255,255,255,.13);color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--yellow);}
.nav-label{flex:1;min-width:0;line-height:1.25;}
.nav-ic{flex:none;width:19px;height:19px;color:#7E93B6;transition:color .14s;display:flex;align-items:center;justify-content:center;}
.nav-ic svg{width:19px;height:19px;display:block;}
.nav-item:hover .nav-ic{color:#CFE0F5;}
.nav-item.active .nav-ic{color:var(--yellow);}
.nav-soon{flex:none;font-size:9px;letter-spacing:.08em;color:#6E84A8;}
.sidebar-user{padding:14px;border-top:1px solid rgba(255,255,255,.10);display:flex;align-items:center;gap:11px;}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--yellow);color:var(--navy);font-weight:700;
  font-size:14px;display:flex;align-items:center;justify-content:center;flex:none;}
.sidebar-user .name{font-size:13.5px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidebar-user .role{font-size:11.5px;color:#8DA2C4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.su-link:hover .name{color:var(--yellow);}
.su-link:hover .avatar{box-shadow:0 0 0 2px rgba(250,200,30,.5);}
.logout-btn{flex:none;background:rgba(255,255,255,.08);border:none;color:#AEC0DC;width:30px;height:30px;
  border-radius:8px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;text-decoration:none;}
.logout-btn:hover{background:rgba(255,255,255,.16);color:#fff;}
.sidebar-copy{padding:9px 14px 13px;font-size:10px;letter-spacing:.05em;color:#5E7299;text-align:center;border-top:1px solid rgba(255,255,255,.06);}
.sidebar-copy b{color:#90A4C6;font-weight:600;}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{height:64px;flex:none;background:rgba(246,245,241,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid #E0DDD2;display:flex;align-items:center;justify-content:space-between;
  padding:0 30px;position:sticky;top:0;z-index:20;}
/* Masquer / afficher le menu latéral */
html.nav-hidden .sidebar{display:none;}
.nav-toggle{flex:none;width:36px;height:36px;border-radius:9px;border:1px solid #E0DDD2;background:#fff;color:var(--navy);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .12s,background .12s;}
.nav-toggle:hover{border-color:var(--navy);background:var(--card-tint);}
.crumb{display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--muted-2);}
.crumb b{color:var(--navy);font-weight:600;}
.content{flex:1;overflow-y:auto;}
.page{max-width:1180px;margin:0 auto;padding:34px 30px 60px;}

/* ---------- Titres ---------- */
h1.title{font-family:'Spectral',serif;font-weight:600;font-size:30px;color:var(--navy);margin:0;letter-spacing:-.01em;}
.eyebrow{font-size:13px;color:#8A8470;letter-spacing:.04em;margin-bottom:7px;}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;}
.kpi .label{font-size:12.5px;color:#8A8470;margin-bottom:10px;}
.kpi .value{font-family:'Spectral',serif;font-size:30px;font-weight:600;color:var(--navy);line-height:1;}
.kpi .unit{font-size:12px;color:var(--muted-3);}
.kpi .delta{font-size:12px;color:var(--muted-3);margin-top:9px;}

/* ---------- Badges / pastilles ---------- */
.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;}
.badge-promo{color:var(--navy);background:var(--yellow-soft);border:1px solid var(--yellow-border);}

/* ---------- Alertes ---------- */
.alert{padding:12px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;}
.alert-error{background:#F8E0DE;border:1px solid #f0c4c0;color:#B3261E;}
.alert-info{background:var(--yellow-soft);border:1px solid var(--yellow-border);color:#6B5E2E;}

/* ==========================================================================
   Pages publiques (login / teaser) — layout 2 colonnes
   ========================================================================== */
.split{min-height:100vh;display:grid;grid-template-columns:1.05fr 0.95fr;background:var(--navy);}
.split-marketing{position:relative;padding:64px 72px;display:flex;flex-direction:column;justify-content:space-between;
  overflow:hidden;background:radial-gradient(120% 120% at 0% 0%, #143A66 0%, #0B2A4E 55%, #081f3a 100%);}
.split-marketing .halo{position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(250,200,30,.16), rgba(250,200,30,0) 60%);}
.split-logo{display:flex;align-items:center;gap:9px;position:relative;}
.split-logo img{width:46px;height:46px;object-fit:contain;filter:drop-shadow(0 4px 14px rgba(0,0,0,.35));}
.split-logo .word{font-family:'Spectral',serif;font-weight:700;font-size:33px;line-height:1;letter-spacing:.02em;color:#fff;}
.split-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid rgba(250,200,30,.4);
  border-radius:999px;color:var(--yellow);font-size:12.5px;font-weight:600;letter-spacing:.06em;margin-bottom:26px;}
.split-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--yellow);}
.split-h1{font-family:'Spectral',serif;font-weight:600;font-size:52px;line-height:1.05;color:#fff;margin:0 0 18px;letter-spacing:-.01em;}
.split-h1 span{color:var(--yellow);}
.split-lead{font-size:17px;line-height:1.6;color:#AFC0DC;margin:0;max-width:440px;}
.split-sign{position:relative;color:#7E93B6;font-size:13px;letter-spacing:.02em;}
.split-panel{background:var(--bg-2);display:flex;align-items:center;justify-content:center;padding:48px;}
.split-box{width:100%;max-width:380px;}
.split-box h2{font-family:'Spectral',serif;font-size:27px;font-weight:600;color:var(--navy);margin:0 0 6px;}
.split-box p.sub{font-size:14.5px;color:var(--muted);line-height:1.55;margin:0 0 30px;}

.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.field input{width:100%;border:1.5px solid #DCD9CF;border-radius:10px;padding:12px 14px;font-size:14.5px;
  color:var(--ink);background:#fff;outline:none;transition:border-color .12s;}
.field input:focus{border-color:var(--navy);}

.divider{display:flex;align-items:center;gap:12px;margin:22px 0;color:var(--muted-3);font-size:12.5px;}
.divider:before,.divider:after{content:"";flex:1;height:1px;background:#DCD9CF;}

/* ---------- Formulaires escamotables (<details>) ---------- */
.disclosure{position:relative;display:inline-block;}
.disclosure>summary{list-style:none;cursor:pointer;}
.disclosure>summary::-webkit-details-marker{display:none;}
.disclosure .pop{position:absolute;z-index:40;margin-top:8px;width:300px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px rgba(11,42,78,.18);padding:18px;text-align:left;}
.disclosure.right .pop{right:0;}
.disclosure .pop .field{margin-bottom:12px;}

/* Grand formulaire d'édition : panneau déroulant sous le bouton, ancré à droite.
   Ne déborde JAMAIS (largeur bornée à l'écran, défilement interne si trop haut,
   z-index au-dessus de la barre latérale). Pas de voile. Scopé à .disclosure.sheet. */
.disclosure.sheet .pop{
  position:absolute; left:0; right:auto; margin-top:10px; z-index:70;
  width:370px; max-width:calc(100vw - 32px);
  max-height:min(74vh, calc(100vh - 130px)); overflow-y:auto; padding-top:0;
  box-shadow:0 18px 44px rgba(11,42,78,.22);
}
.pop-head{display:flex;justify-content:space-between;align-items:center;
  position:sticky;top:0;background:#fff;z-index:1;padding:16px 0 10px;margin-bottom:6px;
  font-weight:600;color:var(--navy);font-size:16px;border-bottom:1px solid var(--line-2);}
.pop-x{border:none;background:none;font-size:26px;line-height:1;cursor:pointer;color:var(--muted-3);padding:0 4px;}
.pop-x:hover{color:var(--navy);}

/* ---------- Écran réglage du barème ---------- */
.config-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px;align-items:start;margin-top:24px;}
.config-sticky{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px;}
.section-label{font-size:11px;letter-spacing:.1em;color:var(--label);font-weight:600;margin-bottom:6px;}
.section-title{font-family:'Spectral',serif;font-size:18px;font-weight:600;color:var(--navy);}
.mode-opt{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:13px 15px;
  border:1.5px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;transition:border-color .12s,background .12s;}
.mode-opt:hover{border-color:#CFCBBC;}
.mode-opt.sel{border-color:var(--navy);background:var(--card-tint);}
.mode-radio{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid #CFCBBC;margin-top:1px;position:relative;}
.mode-opt.sel .mode-radio{border-color:var(--navy);}
.mode-opt.sel .mode-radio:after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--navy);}
.compo-row{display:flex;align-items:center;gap:13px;padding:12px;border:1px solid var(--line-2);border-radius:12px;background:var(--card-tint);}
.coef-box{flex:none;display:flex;align-items:center;gap:4px;background:#fff;border:1.5px solid #DCD9CF;border-radius:9px;padding:6px 10px;}
.coef-box input{width:42px;border:none;background:transparent;font-size:15px;font-weight:700;color:var(--navy);text-align:right;outline:none;}
.ia-card{background:linear-gradient(135deg,var(--navy),var(--navy-700));border-radius:16px;padding:24px;color:#fff;position:relative;overflow:hidden;}
.ia-card .halo2{position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(250,200,30,.18),transparent 65%);}
.seuil-row{display:flex;align-items:center;gap:13px;}
.seuil-box{flex:none;display:flex;align-items:center;gap:4px;background:var(--card-tint);border:1.5px solid #DCD9CF;border-radius:9px;padding:6px 11px;}
.seuil-box input{width:36px;border:none;background:transparent;font-size:15px;font-weight:700;color:var(--navy);text-align:right;outline:none;}
input[type=range]{accent-color:var(--navy);height:6px;cursor:pointer;}

/* ---------- Grille de saisie ---------- */
.grid-wrap{background:#fff;border:1px solid #E2DECF;border-radius:14px;overflow:hidden;box-shadow:0 1px 3px rgba(11,42,78,.04);}
.grid-scroll{overflow-x:auto;}
table.grid{border-collapse:separate;border-spacing:0;width:100%;font-size:13px;}
table.grid thead th{background:#0B2A4E;color:#cdd9ea;font-size:10.5px;letter-spacing:.06em;font-weight:600;text-align:left;padding:8px 10px;position:sticky;top:0;}
table.grid thead tr.sub th{background:#EEF1F6;color:#3A4658;font-size:10.5px;letter-spacing:.055em;text-transform:uppercase;font-weight:700;padding:11px 9px;border-bottom:2px solid #D5DCE6;position:static;vertical-align:bottom;}
table.grid thead tr.sub th.input{background:#FCF3D3;color:#7A5B00;border-bottom-color:#E7D289;}
table.grid thead tr.sub th.calc{background:#E7ECF3;color:#0B2A4E;border-bottom-color:#C6D0DE;}
table.grid thead tr.sub th.res{background:#0B2A4E;color:#fff;border-bottom-color:#0B2A4E;}
table.grid thead tr.sub th span{ text-transform:none; letter-spacing:0; }
table.grid tbody td{border-bottom:1px solid #F0EEE6;padding:8px 10px;vertical-align:middle;}
table.grid td.td-input{background:#FFF8E1;padding:0;}
table.grid td.td-calc{background:#fff;text-align:center;font-weight:700;color:#0B2A4E;}
table.grid tr.absent td{background:#FCEFF1 !important;}
table.grid td.td-input input{width:100%;border:1px solid transparent;background:transparent;padding:9px 8px;font-size:13px;color:#1A1F2B;text-align:center;outline:none;}
table.grid td.td-input input:focus{border-color:#FAC81E;background:#FFFDF5;}
.g-finale{font-family:'Spectral',serif;font-size:18px;font-weight:700;}
.statut-pill{border:none;border-radius:7px;padding:6px 9px;font-size:12px;font-weight:600;cursor:pointer;background:#EFEDE6;color:#0B2A4E;}
.g-comment{width:100%;min-width:200px;border:1px solid transparent;border-radius:7px;background:transparent;font-size:12px;color:#5B6473;padding:6px 8px;outline:none;}
.g-comment:focus{border-color:#FAC81E;background:#FFFDF5;}
.legend{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:14px;font-size:12px;color:var(--muted-2);}
.legend .sw{width:14px;height:14px;border-radius:4px;display:inline-block;vertical-align:middle;margin-right:6px;}
.save-status{margin-top:14px;font-size:12.5px;color:var(--muted-3);display:flex;align-items:center;gap:8px;}
.save-status .dot{width:7px;height:7px;border-radius:50%;background:#137a55;}

@media(max-width:980px){.config-grid{grid-template-columns:1fr;}.config-sticky{position:static;}}
@media(max-width:880px){
  .split{grid-template-columns:1fr;}
  .split-marketing{display:none;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
}

/* ---- Espace étudiant (portail de dépôt) : fond navy EUDUC pro ------------- */
.eg-depot{
  position:relative; overflow:hidden;
  /* Photo (classe/bibliothèque) en fond, recouverte d'un voile navy EUDUC + trame de points. */
  background:
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1.6px) 0 0/22px 22px,
    radial-gradient(1200px 800px at 82% -10%, rgba(44,111,179,.16), transparent 60%),
    linear-gradient(155deg, rgba(12,47,87,.90) 0%, rgba(11,42,78,.92) 50%, rgba(8,31,58,.95) 100%),
    url("../img/edu-bg.jpg") center center/cover no-repeat;
}
/* Décor moderne : cercles concentriques d'épaisseurs variées (haut-droite + bas-gauche). */
.eg-depot::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='620' height='620'%3E%3Cg fill='none' stroke='%235B8FC7'%3E%3Ccircle cx='420' cy='200' r='70' stroke-width='1.5' stroke-opacity='.35'/%3E%3Ccircle cx='420' cy='200' r='130' stroke-width='7' stroke-opacity='.18'/%3E%3Ccircle cx='420' cy='200' r='190' stroke-width='2' stroke-opacity='.28'/%3E%3Ccircle cx='420' cy='200' r='250' stroke-width='12' stroke-opacity='.10'/%3E%3Ccircle cx='420' cy='200' r='310' stroke-width='3' stroke-opacity='.20'/%3E%3C/g%3E%3C/svg%3E") no-repeat top -180px right -160px,
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cg fill='none'%3E%3Ccircle cx='200' cy='400' r='90' stroke='%235B8FC7' stroke-width='2' stroke-opacity='.28'/%3E%3Ccircle cx='200' cy='400' r='160' stroke='%235B8FC7' stroke-width='9' stroke-opacity='.12'/%3E%3Ccircle cx='200' cy='400' r='230' stroke='%23FAC81E' stroke-width='2' stroke-opacity='.22'/%3E%3Ccircle cx='200' cy='400' r='300' stroke='%235B8FC7' stroke-width='4' stroke-opacity='.16'/%3E%3C/g%3E%3C/svg%3E") no-repeat bottom -200px left -180px;
}
.eg-depot > *{ position:relative; z-index:1; }
/* Cartes blanches « premium » qui flottent sur le navy. */
.eg-depot .card{ box-shadow:0 24px 60px rgba(0,0,0,.28); border:1px solid rgba(255,255,255,.5); }
/* Logo lisible sur fond sombre : « Eudu » en blanc, « Grade » reste doré. */
.eg-depot .eg-brand{ color:#fff !important; }
/* Pied de page public plus clair sur le navy. */
.eg-depot ~ footer a, body:has(.eg-depot) > footer a{ color:#9DB0CC !important; }

/* Aide dépliable « bon lien vidéo » */
.eg-help{ margin-top:8px; border:1px solid var(--line-2); border-radius:10px; background:var(--card-tint); overflow:hidden; }
.eg-help summary{ cursor:pointer; list-style:none; padding:10px 13px; font-size:12.8px; font-weight:600; color:var(--blue-accent); display:flex; align-items:center; gap:7px; }
.eg-help summary::-webkit-details-marker{ display:none; }
.eg-help summary::after{ content:"⌄"; margin-left:auto; transition:transform .2s; font-size:15px; }
.eg-help[open] summary::after{ transform:rotate(180deg); }
.eg-help .eg-help-body{ padding:2px 14px 13px; font-size:12.5px; color:var(--muted); line-height:1.55; }
.eg-help h5{ margin:12px 0 4px; font-size:12.8px; color:var(--navy); }
.eg-help ol{ margin:4px 0 0; padding-left:18px; }
.eg-help li{ margin:2px 0; }
.eg-help code{ background:#EEF1F5; padding:1px 5px; border-radius:5px; font-size:11.5px; }