body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 600px;
  margin: auto;
  background: #fff;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h1, h2 {
  text-align: center;
  color: #333;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[readonly] {
  background-color: #e9ecef;
  cursor: not-allowed;
}

.form-actions {
  text-align: right;
}

button {
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

#editButton {
  background-color: #007bff;
  color: white;
}

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

#changePasswordButton {
  background-color: #ff5722;
  color: white;
}

#changePasswordButton:hover {
  background-color: #e64a19;
}

#saveButton {
  background-color: #28a745;
  color: white;
}

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

#saveButton[disabled] {
  background-color: #ccc;
  cursor: not-allowed;
}

.popup {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.4);
}

.popup-content {
  background-color: #fff;
  margin: 15% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
  max-width: 400px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}