body {
  background: #0f172a;
  color: white;
  font-family: Arial;
  padding: 40px;
}

.container {
  max-width: 700px;
  margin: auto;
  background: #1e293b;
  padding: 30px;
  border-radius: 16px;
}

h1 {
  text-align: center;
}

textarea, input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 8px;
  border: none;
}

button {
  padding: 12px 18px;
  margin: 8px 5px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: #3b82f6;
  color: white;
}