/* BANNIÈRE */
.documents-hero {
  background: var(--couleur-fond);
  color: var(--couleur-texte);
  text-align: center;
  padding: 50px 20px;
}

.documents-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.documents-hero p {
  font-size: 1rem;
  color: var(--couleur-texte);
}

/* SECTION */
.documents-section {
  background: var(--couleur-fond);
  padding: 40px 40px 70px;
}

/* FILTRES */
.documents-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.filter-btn {
  background: var(--couleur-carte);
  border: 1px solid #dbe3e8;
  color: var(--couleur-texte);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--couleur-texte);
  color: var(--couleur-texte);
}

.filter-btn.active {
  background: var(--couleur-bouton);
  border-color: var(--couleur-bouton);
  color: #fff;
  box-shadow: 0 3px 8px var(--couleur-ombre-bouton);
}

/* GRILLE */
.documents-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  max-width: 1400px;
  margin: 0 auto;
}

.document-card {
  background: var(--couleur-carte);
  border-radius: 10px;
  padding: 22px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.document-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}

.document-card h3 {
  color: var(--couleur-texte);
  font-size: 1rem;
  line-height: 1.35;
}

.doc-formation {
  color: #666;
  font-size: 0.82rem;
  font-style: italic;
}

/* BADGES DE CATEGORIE */
.badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 4px 12px;
  border-radius: 20px;
  color: #fff;
}

.badge-epreuve {
  background: #e08a2c;
}

.badge-cours {
  background: #1a8fa0;
}

.badge-livre {
  background: #2ea86b;
}

/* STATUT DU CORRIGE */
.doc-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
}

.doc-status-ok {
  color: #2ea86b;
}

.doc-status-attente {
  color: #999;
}

/* BOUTONS DE TELECHARGEMENT */
.doc-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
}

.btn-doc {
  text-align: center;
  background: var(--couleur-bouton);
  color: #fff;
  text-decoration: none;
  padding: 9px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 0.2s;
  box-shadow: 0 3px 8px var(--couleur-ombre-bouton);
}

.btn-doc:hover {
  background: var(--couleur-ombre-bouton);
}

.btn-doc-corrige {
  background: #2ea86b;
}

.btn-doc-corrige:hover {
  background: #248f59;
}

.btn-doc-disabled {
  background: #d8dee2;
  color: #8a949b;
  cursor: not-allowed;
  pointer-events: none;
}

/* NOTE DE BAS DE PAGE */
.documents-note {
  max-width: 1400px;
  margin: 35px auto 0;
  text-align: center;
  color: #666;
  font-size: 0.85rem;
}

.documents-note i {
  color: var(--couleur-texte);
  margin-right: 6px;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .documents-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .documents-grid {
    grid-template-columns: 1fr;
  }

  .documents-section {
    padding: 30px 20px 50px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.82rem;
  }
}