:root {
  --fond: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --bordure: #e2e8f0;
  --texte: #0f172a;
  --texte-att: #64748b;
  --texte-subtil: #94a3b8;

  --primaire: #4f46e5;
  --primaire-hover: #4338ca;
  --primaire-doux: #eef2ff;
  --primaire-doux-texte: #4338ca;

  --danger: #dc2626;
  --danger-doux: #fef2f2;
  --danger-doux-texte: #b91c1c;

  --succes: #16a34a;
  --succes-doux: #f0fdf4;
  --succes-doux-texte: #15803d;

  --sidebar-fond: #0f172a;
  --sidebar-texte: #94a3b8;
  --sidebar-texte-actif: #ffffff;
  --sidebar-bordure: rgba(255, 255, 255, 0.08);

  --rayon: 10px;
  --rayon-lg: 14px;
  --ombre: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --ombre-lg: 0 4px 6px rgba(15, 23, 42, 0.05), 0 10px 20px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html { overflow-x: hidden; }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--fond);
  color: var(--texte);
  -webkit-font-smoothing: antialiased;
}

svg { flex-shrink: 0; }

/* ===== Mise en page ===== */

.mise-en-page {
  display: flex;
  min-height: 100vh;
}

.barre-laterale {
  width: 252px;
  background: var(--sidebar-fond);
  color: var(--sidebar-texte);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  padding: 0 0.5rem;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.logo-icone {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primaire);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icone svg { width: 19px; height: 19px; }

.barre-laterale nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  overflow-y: auto;
}

.barre-laterale nav a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--sidebar-texte);
  text-decoration: none;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease;
}

.barre-laterale nav a svg { width: 17px; height: 17px; }

.barre-laterale nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.barre-laterale nav a.actif {
  background: var(--primaire);
  color: #fff;
}

.separateur-nav {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texte-subtil);
  padding: 1rem 0.65rem 0.35rem;
}

.pied-barre {
  border-top: 1px solid var(--sidebar-bordure);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.carte-utilisateur {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.35rem;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primaire-doux);
  color: var(--primaire-doux-texte);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.infos-utilisateur { min-width: 0; }

.utilisateur-connecte {
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.utilisateur-role {
  font-size: 0.75rem;
  color: var(--texte-subtil);
}

.lien-deconnexion {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--sidebar-texte);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background 0.12s ease, color 0.12s ease;
}

.lien-deconnexion svg { width: 16px; height: 16px; }

.lien-deconnexion:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.contenu {
  flex: 1;
  padding: 2.25rem 2.5rem;
  max-width: 1200px;
  width: 100%;
}

.contenu-plein {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 15% 15%, rgba(79, 70, 229, 0.10), transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(79, 70, 229, 0.08), transparent 45%),
    var(--fond);
}

/* ===== Connexion ===== */

.carte-connexion {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.logo-connexion { display: flex; justify-content: center; margin-bottom: 1rem; }
.logo-connexion .logo-icone { width: 46px; height: 46px; border-radius: 12px; }
.logo-connexion .logo-icone svg { width: 24px; height: 24px; }

.carte-connexion h1 {
  margin: 0 0 0.2rem;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.carte-connexion .sous-titre {
  color: var(--texte-att);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}

.formulaire-connexion { text-align: left; }
.formulaire-connexion button { width: 100%; justify-content: center; margin-top: 0.25rem; }

/* ===== En-têtes de page ===== */

.entete-page {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.sous-titre-page {
  margin: 0.2rem 0 0;
  color: var(--texte-att);
  font-size: 0.9rem;
}

h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

/* ===== Cartes statistiques (tableau de bord) ===== */

.grille-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.carte-stat {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carte-stat-icone {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.carte-stat-icone svg { width: 21px; height: 21px; }

.carte-stat-icone-neutre { background: var(--primaire-doux); color: var(--primaire-doux-texte); }
.carte-stat-icone-alerte { background: var(--danger-doux); color: var(--danger-doux-texte); }

.carte-stat-valeur {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.carte-stat-libelle {
  color: var(--texte-att);
  font-size: 0.82rem;
  margin-top: 0.1rem;
}

/* ===== Tableaux ===== */

.carte-tableau {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tableau-donnees {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
}

.tableau-donnees th, .tableau-donnees td {
  text-align: left;
  padding: 0.75rem 1.15rem;
  border-bottom: 1px solid var(--bordure);
  font-size: 0.89rem;
}

.tableau-donnees th {
  background: var(--surface-alt);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--texte-att);
}

.tableau-donnees tbody tr:last-child td { border-bottom: none; }
.tableau-donnees tbody tr:hover { background: var(--surface-alt); }

.cellule-actions a {
  color: var(--primaire);
  font-weight: 600;
  text-decoration: none;
}

.cellule-actions a:hover { text-decoration: underline; }

.cellule-vide {
  text-align: center;
  color: var(--texte-subtil);
  padding: 2rem 1rem;
}

/* ===== Formulaires ===== */

.formulaire {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre);
  padding: 1.75rem;
}

.formulaire-large {
  max-width: 720px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
  gap: 1.1rem 1.25rem;
}

.formulaire-large button { grid-column: 1 / -1; justify-self: start; }

.formulaire label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--texte);
}

.ligne-case-a-cocher {
  flex-direction: row !important;
  align-items: center;
  gap: 0.55rem !important;
}

.ligne-case-a-cocher input { width: auto; }

input, select, button, textarea {
  font-family: inherit;
  font-size: 0.9rem;
}

input, select, textarea {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  background: var(--surface);
  color: var(--texte);
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primaire);
  box-shadow: 0 0 0 3px var(--primaire-doux);
}

input:disabled, select:disabled {
  background: var(--surface-alt);
  color: var(--texte-att);
}

input::placeholder { color: var(--texte-subtil); }

button, .bouton {
  background: var(--primaire);
  color: #fff;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  transition: background 0.12s ease, box-shadow 0.12s ease, transform 0.05s ease;
  white-space: nowrap;
}

button svg, .bouton svg { width: 16px; height: 16px; }

button:hover, .bouton:hover { background: var(--primaire-hover); }
button:active, .bouton:active { transform: translateY(1px); }

.bouton-danger { background: var(--danger); }
.bouton-danger:hover { background: var(--danger-doux-texte); }

/* Boutons secondaires (ex : clôturer une affectation) */
.tableau-donnees button {
  background: var(--surface);
  color: var(--texte);
  border: 1px solid var(--bordure);
  font-size: 0.82rem;
  padding: 0.35rem 0.65rem;
}

.tableau-donnees button:hover { background: var(--surface-alt); }

.section-secondaire {
  margin-top: 2.25rem;
}

.marge-haut {
  margin-top: 2rem;
}

.section-secondaire .carte-tableau {
  margin-top: 1rem;
}

/* ===== Badges ===== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: 0.4rem;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-alerte { background: var(--danger-doux); color: var(--danger-doux-texte); }
.badge-actif { background: var(--succes-doux); color: var(--succes-doux-texte); }
.badge-inactif { background: var(--surface-alt); color: var(--texte-att); }
.badge-role-admin { background: var(--primaire-doux); color: var(--primaire-doux-texte); }
.badge-role-utilisateur { background: var(--surface-alt); color: var(--texte-att); }

/* ===== Messages ===== */

.message-erreur, .message-succes {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  margin: 0 0 1.25rem;
}

.message-erreur { background: var(--danger-doux); color: var(--danger-doux-texte); }
.message-succes { background: var(--succes-doux); color: var(--succes-doux-texte); }

.avertissement {
  color: var(--danger-doux-texte);
  font-weight: 600;
  font-size: 0.88rem;
}

.carte {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre);
  padding: 1.75rem;
  max-width: 640px;
}

.carte p { color: var(--texte-att); font-size: 0.9rem; margin: 0 0 1.1rem; }

.carte-message {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre);
  padding: 2rem;
  max-width: 480px;
}

.carte-message p { color: var(--texte-att); margin-bottom: 1.25rem; }

/* ===== En-tête mobile / bouton menu ===== */

.entete-mobile { display: none; }

.bouton-menu-mobile {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.bouton-menu-mobile svg { width: 20px; height: 20px; }
.icone-menu-fermer { display: none; }

.fond-surimpression {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 45;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  cursor: default;
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
  .mise-en-page { flex-direction: column; min-height: 0; }

  .entete-mobile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--sidebar-fond);
    color: #fff;
    padding: 0.7rem 1rem;
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .entete-mobile-titre {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
  }

  .bouton-menu-mobile { display: inline-flex; }

  .mise-en-page.menu-ouvert .icone-menu-ouvrir { display: none; }
  .mise-en-page.menu-ouvert .icone-menu-fermer { display: block; }
  .mise-en-page.menu-ouvert .fond-surimpression { display: block; }

  .barre-laterale {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 82vw;
    max-width: 300px;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 50;
    box-shadow: var(--ombre-lg);
  }

  .mise-en-page.menu-ouvert .barre-laterale {
    transform: translateX(0);
  }

  .contenu { padding: 1.1rem; max-width: 100%; }

  .formulaire-large { max-width: 100%; }
}

@media (max-width: 480px) {
  .grille-stats { grid-template-columns: 1fr; }
  .entete-page { flex-wrap: wrap; }
  .contenu-plein { padding: 1.25rem; }
  .carte-connexion { padding: 1.75rem 1.5rem; }
}