#eeg-overlay {
  position: fixed;
  inset: 0;
  background: #000000d9;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}

#eeg-form {
  background: #101532;
  padding: 40px 30px 20px 30px;
  width: 100%;
  max-width: 425px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 8px 20px #00000080;
}

#eeg-form h2 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 24px;
}

#eeg-form input[type=email] {
  width: 100%;
  padding: 12px;
  border-radius: 5px;
  border: none;
  margin-bottom: 15px;
  font-size: 16px;
}

#eeg-form button {
  background: #ffcc00;
  border: none;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}

#eeg-form button:hover {
  background: #e6b800;
}

#eeg-error {
  color: #ff6666;
  margin-top: 10px;
  font-weight: bold;
}