body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f2f2f2;
  height: 100vh;
}

.modal {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header h2 {
  margin: 0;
  text-align: center;
}

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

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 16px;
}

button[type="submit"] {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background-color: #007bff;
  color: #fff;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #0056b3;
}

.error-message {
  background-color: #ffe0e0;
  color: #a70000;
  padding: 10px 15px;
  margin-bottom: 15px;
  border: 1px solid #a70000;
  border-radius: 4px;
  text-align: center;
}