body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #007bff, #0056b3);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding: 10px;
  flex-direction: column;
}

h2 {
  text-align: center;
  color: white;
  margin-bottom: 20px;
  font-size: 3.5em;
  width: 100%;
}

form {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

label {
  margin-top: 10px;
  font-weight: bold;
  color: #333;
  font-size: 0.9em;
  width: 100%;
  text-align: left;
}

input {
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
  width: calc(100% - 20px);
  box-sizing: border-box;
}

button {
  margin-top: 15px;
  padding: 10px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
  width: 100%;
}

button:hover {
  background: #0056b3;
}

p {
  text-align: center;
  color: red;
  font-weight: bold;
  font-size: 0.9em;
  width: 100%;
}

@media (max-width: 400px) {
  form {
    padding: 15px;
    width: 95%;
  }
  h2 {
    font-size: 1.2em;
    width: 100%;
  }
  button {
    font-size: 14px;
  }
}