* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.botonSumar {
  float: right;
}

.selected {
  background-color: #2577C5 !important;
  color: white !important;
}

/* Scroll tabla */
.tabla-centrada::-webkit-scrollbar {
  height: 12px;
}

.btn-dron {
  background-color: #eae9e9;
  border: 2px #977141 !important;
  color: rgba(145, 145, 145, 0.8);
}

/* Overlay de carga */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.3);
  border-top: 5px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Sidebar lateral */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;             /* ancho fijo */
  height: 100vh;            /* ocupa todo el alto */
  background-color: #343a40;/* fondo oscuro */
  color: #fff;
  padding: 20px 10px;
  overflow-y: auto;         /* scroll si es largo */
}

.sidebar .nav-link {
  color: #fff;
  margin-bottom: 10px;
  border-radius: 5px;
  padding: 10px;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background-color: #495057;
}

/* Contenido principal corrido */
.content {
  margin-left: 220px; /* igual al ancho de la sidebar */
  padding: 20px;
}