body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* === Conteneur général === */
.container {  
  margin: 2rem auto;
  padding: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);  
}

/* === Login spécifique === */
.login-container {
  max-width: 400px;
  margin: 4rem auto;
  padding: 2rem;
}
.login-container h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}
.login-container form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.login-container input {
  padding: 0.6rem;
  border: 1px solid #aaa;
  border-radius: 4px;
  font-size: 1rem;
}
.login-container button {
  padding: 0.6rem;
  background-color: #0078d4;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.login-container button:hover { background-color: #005fa3; }

/* === Table trackers === */
.table-container {
  margin: 2rem auto;
  padding: 1.5rem;
}
.table-container h1,
.table-container h2 {
  text-align: center;
  margin-bottom: 1rem;
  color: #333;
}
.table-container table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}
.table-container th,
.table-container td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}
.table-container th {
  background-color: #0078d4;
  color: white;
  font-weight: bold;
}
.table-container tr:nth-child(even) { background-color: #f9f9f9; }
.table-container tr:hover {
  background-color: #f1f7ff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#Tracker_List {
  width: 95%;
  margin: 2rem auto;  /* centré horizontalement et 2rem en haut/bas */
  box-sizing: border-box; /* inclut padding dans la largeur */
}

/* === Boutons ajouter tracker === */
#add-tracker-btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background-color: #0078d4;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
#add-tracker-btn:hover { background-color: #005fa3; }

/* === Champs ajout tracker === */
.add-tracker-form {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
.add-tracker-form input {
  flex: 1;
  padding: 0.6rem;
  border: 1px solid #aaa;
  border-radius: 4px;
  font-size: 1rem;
}

/* === Message d'erreur / info tracker === */
#tracker-message {
  margin-top: 0.5rem;
  color: red;
  font-weight: bold;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#tracker-message.show { opacity: 1; }

/* === Layout Positions + Carte === */
.positions-wrapper {
  display: flex;
  gap: 1rem;
  width: 100%;
  max-width: 1200px;
  margin: 2rem auto;
  align-items: stretch; /* alignement même hauteur */
}
#positions-container {
  flex: 1;
  margin: 0; /* pas de marge */
  padding: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#map-container {
  flex: 1;
  border: 1px solid #ccc;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#map {
  flex: 1;
  width: 100%;
  height: 100%;
}

/* === Boutons haut / bas === */
.btn-container {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin: 0.75rem 0;
}
.action-btn {
  padding: 0.45rem 0.9rem;
  background-color: #0078d4;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.action-btn:hover { background-color: #005fa3; }

/* === Limitation hauteur sur PC === */
@media screen and (min-width: 768px) {
  #positions-wrapper {
    width: 95%;          /* même largeur que #Tracker_List */
    max-width: none;     /* on ignore l'ancien max-width de 1200px */
    margin: 2rem auto;   /* centré horizontalement avec marge verticale */
    gap: 1rem;
    display: flex;
    align-items: stretch; /* même hauteur pour les colonnes */
  }
  #positions-container {
    flex: 0 0 25%;        /* minimum 25% de largeur */
    min-width: 200px;     /* optionnel : éviter que le contenu soit coupé */
    margin: 0 10px 0 0;   /* marge à droite 10px, 0 ailleurs */
    padding: 0;           /* pas de padding à gauche/droite */
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

    #map-container {
    flex: 1;             /* occupe toute la largeur restante */
    border: 1px solid #ccc;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  #map { height: 100%; width: 100%; }
}

/* === Mobile : rendu tassé mais scrollable === */
@media screen and (max-width: 767px) {
  #positions-wrapper {
    flex-direction: column;
    max-height: none;
    overflow: visible;
  }
  #positions-container { max-height: none; overflow: visible; }
  #map-container { max-height: 400px; }
}