body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: white;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  width: 400px;
  text-align: center;
}

input[type="text"] {
  width: 100%;
  padding: 16px;
  font-size: 18px;
  border: 2px solid #ccc;
  border-radius: 10px;
  margin-bottom: 20px;
  box-sizing: border-box;
}

input[type="text"]:focus {
  border-color: #007bff;
}