/* Classroom Mont-Olivet — charte « registre scolaire » des outils
   Encre #002755 · vert #BCDC03 · rouge (alerte seulement) #C8102E */
:root {
  --encre: #002755;
  --encre-2: #0b3a73;
  --vert: #BCDC03;
  --rouge: #C8102E;
  --papier: #F6F7F4;
  --blanc: #ffffff;
  --trait: #D5DAE1;
  --gris: #5B6573;
  --rayon: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papier); color: var(--encre);
  font: 16px/1.5 "IBM Plex Sans", system-ui, sans-serif;
}
h1, h2, h3 { font-family: "Bricolage Grotesque", "IBM Plex Sans", sans-serif; font-weight: 700; line-height: 1.2; }
h1 { font-size: 1.7rem; margin: .4rem 0 1rem; }
a { color: var(--encre-2); }
code, .champ-code { font-family: "IBM Plex Mono", ui-monospace, monospace; }

/* Barre du haut */
.barre { background: var(--blanc); border-bottom: 3px solid var(--vert); }
.barre-in { max-width: 1100px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.marque { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--encre); }
.logo { height: 40px; width: auto; display: block; }
.nom-app { font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; font-size: 1.25rem; border-left: 2px solid var(--trait); padding-left: 12px; }
.qui { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.qui-nom { font-weight: 500; }
.pastille { display: inline-block; background: var(--encre); color: var(--blanc); border-radius: 999px; padding: 1px 9px; font-size: .8rem; margin-left: 4px; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
.fil { font-size: .9rem; color: var(--gris); margin: 0; }
.fil a { color: var(--gris); }
.sous-titre { font-family: "IBM Plex Sans", sans-serif; font-weight: 400; font-size: 1rem; color: var(--gris); margin-left: 6px; }
.aide { color: var(--gris); }
.petit { font-size: .85rem; margin: 0; }
.muet { color: var(--gris); }
.vide { color: var(--gris); font-style: italic; }

/* Cartes et formulaires */
.carte { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 24px; }
.carte-etroite { max-width: 440px; margin: 24px auto; }
.pile { display: grid; gap: 14px; }
label { display: grid; gap: 4px; font-weight: 500; }
label.case { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
input[type=text], input[type=password], input[type=email] {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--encre);
  border: 1px solid #b9c1cc; border-radius: 8px; background: var(--blanc);
}
input:focus { outline: 3px solid rgba(188, 220, 3, .6); outline-offset: 1px; border-color: var(--encre); }
.champ-code { font-size: 1.5rem; letter-spacing: .3em; text-align: center; }
.form-ligne { display: inline; margin: 0; }
.renvoi { margin-top: 14px; text-align: center; }

/* Boutons */
.btn {
  display: inline-block; width: 100%; padding: 10px 16px; border: 0; border-radius: 8px;
  background: var(--encre); color: var(--blanc); font: 600 1rem "IBM Plex Sans", sans-serif;
  cursor: pointer; text-decoration: none; text-align: center;
}
.btn:hover { background: var(--encre-2); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-auto, .btn-petit, .btn-discret { width: auto; }
.btn-second { background: var(--blanc); color: var(--encre); border: 1px solid var(--encre); }
.btn-second:hover { background: #eef1f5; }
.btn-discret { background: transparent; color: var(--encre-2); border: 1px solid var(--trait); font-weight: 500; }
.btn-discret:hover { background: #eef1f5; }
.btn-petit { padding: 4px 10px; font-size: .85rem; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 12px; }

/* Messages */
.flash { padding: 10px 14px; border-radius: 8px; margin: 0 0 14px; border-left: 4px solid; }
.flash-ok { background: #f4f9dc; border-color: var(--vert); }
.flash-erreur { background: #fbeaec; border-color: var(--rouge); }

/* Tuiles */
.tuiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.tuile {
  display: grid; gap: 4px; padding: 18px; background: var(--blanc); border: 1px solid var(--trait);
  border-top: 4px solid var(--encre); border-radius: var(--rayon); text-decoration: none; color: var(--encre);
}
a.tuile:hover { border-top-color: var(--vert); box-shadow: 0 2px 8px rgba(0, 39, 85, .08); }
.tuile-titre { font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; font-size: 1.2rem; }
.tuile-texte { color: var(--gris); font-size: .92rem; }
.tuile-bientot { border-top-color: var(--trait); opacity: .75; }

/* Tableau */
.tableau-defile { overflow-x: auto; background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); }
.tableau { width: 100%; border-collapse: collapse; }
.tableau th, .tableau td { padding: 9px 12px; border-bottom: 1px solid var(--trait); text-align: left; vertical-align: middle; }
.tableau th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gris); background: #fafbfc; }
.tableau tr:last-child td { border-bottom: 0; }
.tableau tr:target td { background: #f4f9dc; }
.cellule-actions { white-space: nowrap; text-align: right; }
.cellule-actions .form-ligne { margin-left: 4px; }

@media (max-width: 600px) {
  h1 { font-size: 1.4rem; }
  .logo { height: 32px; }
  .carte { padding: 18px; }
  .cellule-actions { white-space: normal; }
}

/* ---- Lot 2 : exercices, projets ---- */
.wrap-large { max-width: 1400px; }
h2.h-section { font-size: 1.2rem; margin: 28px 0 12px; }
.petit-texte { font-size: .85rem; font-weight: 400; }
textarea { width: 100%; padding: 10px 12px; font: inherit; color: var(--encre); border: 1px solid #b9c1cc; border-radius: 8px; background: var(--blanc); resize: vertical; }
textarea:focus { outline: 3px solid rgba(188, 220, 3, .6); outline-offset: 1px; border-color: var(--encre); }
.grille-2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr); gap: 18px; }
.classes-choix { border: 1px solid var(--trait); border-radius: var(--rayon); background: var(--blanc); padding: 12px 16px; margin: 0; display: grid; gap: 6px; align-content: start; }
.classes-choix legend { font-weight: 600; padding: 0 4px; }
.actions-bas { margin-top: 14px; align-items: center; }
.pastille-grise { background: #8a94a3; }
.pastille-alerte { background: var(--rouge); }
.pastille-lien { text-decoration: none; margin: 1px 2px; }
.pastille-lien:hover { background: var(--encre-2); }
.ligne-archive td { color: var(--gris); }
.statut { display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: .82rem; font-weight: 600; }
.statut-termine { background: #e8f3c4; color: #3d5a00; }
.statut-encours { background: #e3ecf7; color: var(--encre); }
.statut-rien { background: #eef0f3; color: var(--gris); }
.compteurs { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.consigne { background: var(--blanc); border: 1px solid var(--trait); border-left: 4px solid var(--encre); border-radius: var(--rayon); padding: 14px 18px; margin: 0 0 14px; }
.consigne code, .commentaire-prof code { background: #eef1f5; padding: 0 4px; border-radius: 4px; }
.consigne-repli { margin-top: 18px; }
.consigne-repli summary { cursor: pointer; color: var(--encre-2); margin-bottom: 8px; }
.commentaire-prof { background: #f4f9dc; border: 1px solid #d9e98a; border-radius: var(--rayon); padding: 12px 16px; margin: 0 0 14px; }
.commentaire-nouveau { border: 2px solid var(--vert); }
.commentaire-titre { font-weight: 600; margin-bottom: 4px; }
.commentaire-form { margin-top: 16px; }
.btn-termine { background: #3d7a0a; }
.btn-termine:hover { background: #2f6106; }
.entete-travail { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.nav-eleves { display: flex; gap: 6px; }
.nouveau-projet { display: grid; grid-template-columns: minmax(0, 360px) auto; gap: 8px; margin-bottom: 14px; }
.titre-projet { margin: 6px 0 12px; max-width: 520px; }
@media (max-width: 760px) {
  .grille-2 { grid-template-columns: 1fr; }
  .nouveau-projet { grid-template-columns: minmax(0, 1fr) auto; }
}
.page-large .barre-in { max-width: 1400px; }