/* Particle container */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, #1f4037, #99f2c8);
  z-index: -1;
}

/* Page base */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  overflow: hidden;
}

/* Card style */
.login-card {
  max-width: 500px;
  border-radius: 1rem;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Toggle Buttons */
#userBtn, #adminBtn {
  border-radius: 0.5rem;
  padding: 10px 20px;
  font-weight: 500;
  transition: 0.3s ease;
}

#userBtn.active {
  background-color: #0d6efd;
  color: white;
  box-shadow: 0 0 10px rgba(13, 110, 253, 0.3);
}

#adminBtn.active {
  background-color: #198754;
  color: white;
  box-shadow: 0 0 10px rgba(25, 135, 84, 0.3);
}

/* Submit Buttons */
#userForm button {
  background-color: #0d6efd;
  color: white;
}

#adminForm button {
  background-color: #198754;
  color: white;
}