.message-box {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  transition: all 0.3s ease;
}

.message-content {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  text-align: center;
  align-self: center;
  justify-self: center;
  max-width: 400px;
  width: 100%;
}

.message-content p {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: #333;
}

.message-actions {
  display: flex;
  justify-content: space-around;
  gap: 1rem;
}

.message-actions .btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  color: white;
}

.login-btn {
  background-color: #007bff;
}

.signup-btn {
  background-color: #28a745;
}

.hidden {
  display: none;
}