body {
  font-family: 'Segoe UI', sans-serif;
  background: #f5f7fb;
  margin: 0;
  padding: 20px;
}

h1 {
  text-align: center;
  color: #333;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

textarea {
  width: 100%;
  height: 120px;
  margin: 10px 0;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

button {
  background: #4f46e5;
  color: white;
  border: none;
  padding: 12px;
  width: 100%;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #4338ca;
}

.result-card {
  margin-top: 20px;
  padding: 15px;
  border-radius: 10px;
  background: #f1f5f9;
}