body {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.input-container {
  background: white;
  padding: 40px 80px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 400px;
}

#event-id {
  height: 50px;
  font-size: 1.2rem;
}

#submit-btn {
  height: 50px;
  font-size: 1.2rem;
  width: 100%;
}