html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;  
  justify-content: space-between; 
  background-color: #f2fdf5;
}

body::before {
  content: "";
  background: url('../img/fondo_login.jpg') no-repeat center center / cover;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  z-index: -1;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center; 
  align-items: center;
  min-height: 100vh; 
  padding: 1rem;
  position: relative;
}

.login-card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
  margin-bottom: 1rem;
}

.login-logo {
  max-width: 90px;
  margin-bottom: 0.75rem;
}

.login-card h4 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.login-form input.form-control {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  border: 1px solid #ced4da;
  font-size: 1rem;
  transition: border 0.3s ease;
}

.login-form input.form-control:focus {
  border-color: #54cc96;
  box-shadow: none;
}

.btn-primary {
  background-color: #54cc96;
  border-color: #54cc96;
  font-weight: bold;
  font-size: 1rem;
  padding: 0.65rem;
  border-radius: 6px;
  width: 100%;
}

.btn-primary:hover {
  background-color: #40b97e;
  border-color: #40b97e;
}