.back-body { background: var(--creme); }

.back-mise-en-page {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.back-barre-laterale {
  background: var(--bleu-nuit);
  color: var(--blanc-fixe);
  padding: 28px 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.bouton-fermeture-rapide {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 200;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #1C2530;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  transition: background 0.15s ease;
}
.bouton-fermeture-rapide:hover { background: var(--danger); }

.back-logo { font-family: var(--police-titre); font-size: 1.3rem; margin-bottom: 4px; }
.back-logo span { color: var(--orange-doux); }

.back-role {
  font-size: 0.85rem;
  color: #AEBFD3;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.back-role small { color: var(--orange-doux); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.72rem; }

.back-nav { display: flex; flex-direction: column; gap: 4px; }
.back-nav a {
  color: #D7E1EC;
  padding: 11px 14px;
  border-radius: var(--rayon);
  font-size: 0.92rem;
  font-weight: 500;
}
.back-nav a:hover { background: rgba(255,255,255,0.08); color: var(--blanc-fixe); }
.back-nav a.actif { background: var(--orange-vif); color: var(--blanc-fixe); }
.back-nav a.back-deconnexion {
  margin-top: 20px;
  color: #E8A99A;
  display: flex;
  align-items: center;
  gap: 10px;
}
.icone-power {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #1C2530;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.back-contenu { padding: 40px; max-width: 1100px; margin-inline: auto; width: 100%; }

.back-entete-page { margin-bottom: 30px; }
.back-entete-page h1 { font-size: 1.7rem; }
.back-entete-page p { color: var(--texte-doux); margin-top: 6px; }

.back-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}
.back-carte-stat {
  background: var(--blanc);
  border-radius: var(--rayon);
  padding: 22px;
  box-shadow: var(--ombre);
  border-left: 4px solid var(--orange-vif);
}
.back-carte-stat .valeur { font-family: var(--police-titre); font-size: 2rem; color: var(--texte-titre); }
.back-carte-stat .label { font-size: 0.85rem; color: var(--texte-doux); margin-top: 4px; }

.back-tableau-conteneur {
  background: var(--blanc);
  border-radius: var(--rayon);
  box-shadow: var(--ombre);
  overflow-x: auto;
}
table.back-tableau { width: 100%; border-collapse: collapse; min-width: 640px; }
table.back-tableau th, table.back-tableau td {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--bordure);
}
table.back-tableau th {
  background: var(--creme);
  color: var(--texte-titre);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.back-tableau tbody tr:hover { background: #FBF8F3; }

.etiquette {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.etiquette.disponible { background: #FDE9DA; color: var(--orange-vif); }
.etiquette.occupee { background: #E9ECEF; color: var(--texte-doux); }

.back-carte-formulaire {
  background: var(--blanc);
  border-radius: var(--rayon);
  box-shadow: var(--ombre);
  padding: 30px;
  max-width: 560px;
  margin-inline: auto;
}

.back-lien-action { color: var(--bleu-marine); font-weight: 600; font-size: 0.85rem; }
.back-lien-action:hover { color: var(--orange-vif); }

.grille-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.bascule-nature {
  display: flex;
  gap: 6px;
  background: var(--creme);
  border-radius: var(--rayon);
  padding: 5px;
  margin-bottom: 24px;
}
.bascule-option {
  flex: 1;
  padding: 10px 14px;
  border: none;
  background: transparent;
  border-radius: 5px;
  font-family: var(--police-texte);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--texte-doux);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.bascule-option.actif { background: var(--orange-vif); color: #fff; }

.back-recherche {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--blanc);
  border: 1.5px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 10px 16px;
  margin-bottom: 20px;
  max-width: 420px;
}
.back-recherche svg { flex-shrink: 0; color: var(--texte-doux); }
.back-recherche input {
  border: none;
  outline: none;
  width: 100%;
  font-family: var(--police-texte);
  font-size: 0.92rem;
  background: transparent;
}
.back-filtres { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.back-filtres select {
  padding: 9px 12px;
  border: 1.5px solid var(--bordure);
  border-radius: var(--rayon);
  font-family: var(--police-texte);
  font-size: 0.88rem;
}

@media (max-width: 820px) {
  .back-mise-en-page { grid-template-columns: 1fr; }
  .back-barre-laterale { height: auto; position: relative; }
  .back-contenu { padding: 24px; }
  .grille-2 { grid-template-columns: 1fr; }
}