html, body {
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  background: #0f2027 url('recursos/fondo-mc.png') no-repeat center center fixed;
  background-size: 500px;
  color: white;
  overflow-x: hidden;
}

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.login-form {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 30px;
  min-width: 300px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.login-form img {
  max-width: 180px;
  margin-bottom: 15px;
}

.login-bg {
  min-height: 100vh;
  background-size: cover;
  background-position: center;
}

.form-label {
  color: #333;
  font-weight: 500;
}

.btn-primary {
  background: #00c9ff;
  border: none;
  padding: 10px;
  border-radius: 25px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.btn-primary:hover {
  background: #007ea7;
}

@media (max-width: 768px) {
  .login-form {
    padding: 20px;
  }

  .login-form img {
    max-width: 140px;
  }
}