body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(to right, #00c6ff, #0072ff);
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.form-container {
  background: #fff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  width: 90%;
  max-width: 400px;
  text-align: center;
}

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

button {
  background-color: #28a745;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  width: 100%;
  font-size: 1rem;
  margin-top: 10px;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

.password-criteria p {
  font-size: 0.9rem;
  margin: 2px 0;
  text-align: left;
}

.valid {
  color: green;
}

.invalid {
  color: red;
}

.password-field {
  position: relative;
}

.password-field span {
  position: absolute;
  right: 10px;
  top: 10px;
  cursor: pointer;
}