body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #1a1a1e;
  color: white;
}

.container {
  background: #2c2c2c;
  padding: 30px;
  border-radius: 12px;
  width: 320px;
  text-align: center;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

h1 {
  font-size: 26px;
  color: #00d4ff;
  margin-bottom: 20px;
}

.input-group {
  margin: 20px 0;
  text-align: left;
}

label {
  display: block;
  color: #b0b0b0;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: none;
  background: black;
  color: white;
  font-size: 16px;
}

input:focus {
  outline: none;
  box-shadow: 0 0 5px #00d4ff;
}

button {
  background: #00d4ff;
  color: #1a1a1e;
  padding: 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  font-size: 16px;
  margin-top: 10px;
}

button:hover {
  background: #009ed8;
}

#result {
  margin-top: 25px;
  font-size: 18px;
  color: #e0e0e0;
}