body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #0f172a, #1e293b);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: rgba(31, 41, 55, 0.8);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  width: 320px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

input {
  padding: 10px;
  width: 90%;
  margin-top: 15px;
  border-radius: 8px;
  border: none;
  outline: none;
}

button {
  margin-top: 15px;
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  background: #3b82f6;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #2563eb;
}

#result {
  margin-top: 20px;
  font-size: 18px;
}