* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body, html {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f0f2f5;
}

.form-container {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0px 5px 15px rgba(0,0,0,0.2);
  width: 350px;
}

form h2 {
  text-align: center;
  margin-bottom: 20px;
}

input {
  display: block;
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  width: 100%;
  padding: 10px;
  background-color: #007bff;
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

.password-field {
  position: relative;
}

.password-field button {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 0;
  width: auto;
  background: none;
  color: #007bff;
  border: none;
  font-size: 0.9em;
  cursor: pointer;
}

#messageBox {
  margin-bottom: 15px;
  padding: 10px;
  display: none;
  border-radius: 5px;
  font-size: 0.9em;
}

.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}