body {
  font-family: 'Segoe UI', sans-serif;
  background: #f0f4ff;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.login-container {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

h2 {
  color: #2a3f7c;
  margin-bottom: 30px;
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

button {
  width: 100%;
  padding: 12px;
  background-color: #2a3f7c;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #1d2d5c;
}

#teacherLoginMessage {
  margin-top: 10px;
  color: red;
}

.links {
  margin-top: 20px;
  font-size: 14px;
}

.links a {
  color: #2a3f7c;
  text-decoration: none;
  margin: 0 10px;
}

.links a:hover {
  text-decoration: underline;
}