body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: white;
}

.container {
  max-width: 800px;
  margin: 50px auto;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(0,0,0,0.4);
}

input, textarea {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  border: none;
}

button {
  margin-top: 10px;
  padding: 12px;
  width: 100%;
  border-radius: 10px;
  border: none;
  background: #00b4ff;
  color: black;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #00e1ff;
}

.message {
  background: rgba(0,0,0,0.4);
  padding: 15px;
  border-radius: 12px;
  margin-top: 15px;
}