/* Tipografía y fondo */
body {
  font-family: 'Roboto', sans-serif;
  background-color: #f4f9f9; /* azul muy claro */
  color: #333;
}

/* Navbar institucional */
.navbar {
  background: linear-gradient(90deg, #004080, #0073e6); /* azul Caribe */
}
.navbar-brand, .nav-link {
  color: #fff !important;
  font-weight: 500;
}
.navbar-brand i {
  margin-right: 8px;
}

/* Ajustes para móvil */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: #004080;
    padding: 1rem;
    border-radius: 0 0 10px 10px;
    margin-top: 10px;
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .nav-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 5px 0;
  }
  
  .dropdown-menu {
    background-color: rgba(255,255,255,0.1);
    border: none;
  }
  
  .dropdown-item {
    color: #fff !important;
  }
  
  .dropdown-item:hover {
    background-color: rgba(255,255,255,0.2);
  }
}

/* Cards del dashboard */
.card {
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.2s ease-in-out;
}
.card:hover {
  transform: translateY(-5px);
}
.card-title {
  font-weight: 600;
  color: #004080;
}
.card-text {
  font-size: 1.2rem;
  color: #00796b; /* verde institucional */
}

/* Botones personalizados */
.btn-primary {
  background-color: #004080;
  border: none;
}
.btn-success {
  background-color: #00796b;
  border: none;
}
.btn-warning {
  background-color: #f9a825;
  border: none;
  color: #fff;
}
.btn-danger {
  background-color: #d32f2f;
  border: none;
}

/* Footer opcional */
footer {
  background-color: #004080;
  color: #fff;
  text-align: center;
  padding: 10px;
  margin-top: 30px;
}