body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #e0f7fa, #fffde7);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: white;
  border-radius: 20px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  padding: 40px;
  width: 90%;
  max-width: 500px;
  text-align: center;
}

h1 {
  margin-bottom: 10px;
  color: #2e7d32;
}

p {
  margin-bottom: 20px;
  color: #555;
}

textarea {
  width: 100%;
  height: 120px;
  padding: 15px;
  border: 2px solid #c8e6c9;
  border-radius: 10px;
  font-size: 1rem;
  resize: none;
  margin-bottom: 15px;
}

button {
  background-color: #4caf50;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #388e3c;
}

#result {
  margin-top: 15px;
  color: #00796b;
  font-weight: bold;
}