/* Enseigner — styles communs */
:root {
  --fond: #f6f7f9;
  --carte: #ffffff;
  --texte: #1f2430;
  --doux: #6b7280;
  --bord: #e2e5ea;
  --accent: #2f6fdf;
  --accent-clair: #eaf1ff;
  --vert: #1f8a4c;
  --rouge: #c0392b;
  --rayon: 12px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fond); color: var(--texte); line-height: 1.4; }
body.centre { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 16px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.doux { color: var(--doux); }
.droite { margin-left: auto; }
.info { color: #1b5e20; background: #e8f5e9; padding: 8px 12px; border-radius: 8px; }
.avert { background: #fff7e6; border: 1px solid #ffe1a8; color: #8a5a00; border-radius: 10px; padding: 8px 12px; font-size: 13px; }
.erreur { color: var(--rouge); background: #fdecea; padding: 8px 12px; border-radius: 8px; max-width: 320px; }
.pastille { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: #eef2fb; color: #2b53bd; white-space: nowrap; }

.carte { background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 18px; }
.login { text-align: center; padding: 32px 36px; box-shadow: 0 8px 30px rgba(0,0,0,.08); }
.login .g_id_signin { display: flex; justify-content: center; }
.grand-emoji { font-size: 64px; }

/* Barre supérieure */
.barre { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--carte);
  border-bottom: 1px solid var(--bord); position: sticky; top: 0; z-index: 5; }
.barre .marque { font-weight: 700; text-decoration: none; color: var(--texte); }
.barre .qui { margin-left: auto; color: var(--doux); font-size: 14px; }
.barre .sortir { font-size: 14px; color: var(--accent); }

.page { max-width: 1280px; margin: 0 auto; padding: 20px 16px; }
.liste { display: grid; gap: 8px; }
.ligne { display: flex; gap: 10px; align-items: center; background: var(--carte); border: 1px solid var(--bord);
  border-radius: 10px; padding: 10px 14px; color: inherit; text-decoration: none; }
.ligne:hover { border-color: #a8c5e8; }

/* Tableau de bord : 3 colonnes */
.tableau { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(320px, 1.4fr) minmax(280px, 1.2fr); gap: 16px; align-items: start; }
@media (max-width: 900px) { .tableau { grid-template-columns: 1fr; } }
.num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: 13px; }
input[type=search], select { width: 100%; padding: 8px 10px; border: 1px solid var(--bord); border-radius: 8px;
  font: inherit; margin-bottom: 10px; background: #fff; }

.classes { display: grid; gap: 6px; max-height: 50vh; overflow: auto; padding-right: 4px; }
.groupe { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--doux); margin: 8px 0 2px; }
.classe { display: flex; align-items: center; gap: 8px; text-align: left; font: inherit; cursor: pointer;
  background: #fff; border: 1px solid var(--bord); border-radius: 8px; padding: 7px 10px; }
.classe .pastille { margin-left: auto; }
.classe.autre { background: #fafbfc; }
.classe:hover, .chap:hover { border-color: #a8c5e8; }
.classe.choisi, .chap.choisi { border-color: var(--accent); background: var(--accent-clair); box-shadow: inset 3px 0 0 var(--accent); }
.eleves { margin-top: 12px; font-size: 14px; }
.eleves summary { cursor: pointer; color: var(--accent); }
.eleves ol { columns: 2; margin: 8px 0 0; padding-left: 22px; }

.arbre { display: grid; gap: 6px; max-height: 65vh; overflow: auto; padding-right: 4px; }
.branche { display: grid; gap: 4px; }
.enfants { display: grid; gap: 4px; padding-left: 16px; border-left: 2px solid var(--bord); margin-left: 8px; }
.chap { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; width: 100%; text-align: left; font: inherit;
  cursor: pointer; background: #fff; border: 1px solid var(--bord); border-radius: 8px; padding: 6px 10px; }
.branche > .chap { font-weight: 600; background: #fafbfc; }
.chap .code { font-weight: 700; color: var(--accent); margin-right: 6px; }
.chap .types { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.type { font-size: 10.5px; font-weight: 500; padding: 1px 6px; border-radius: 999px; background: #f0f1f4; color: var(--doux); }
.t-vocab { background: #e8f5e9; color: #1b5e20; }
.t-gram, .t-exercice { background: #fff3e0; color: #8a4b00; }

.resume { font-size: 14px; margin: 0 0 12px; }
.activites { display: grid; gap: 10px; }
.activite { display: grid; grid-template-columns: 44px 1fr; grid-template-rows: auto auto; column-gap: 10px;
  align-items: center; position: relative; text-decoration: none; color: inherit; border: 1px solid var(--bord);
  border-radius: 10px; padding: 12px; background: #fff; }
.activite .ico { grid-row: span 2; font-size: 30px; text-align: center; }
.activite .doux { font-size: 13px; }
.activite .pastille { position: absolute; top: 10px; right: 10px; }
.activite:not(.inactive):hover { border-color: var(--accent); background: var(--accent-clair); }
.activite.inactive { opacity: .55; cursor: not-allowed; }