body {
  background-color: #121212;
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.auth-container {
  background-color: #1e1e1e;
  padding: 30px 40px;
  border-radius: 12px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.auth-container h2 {
  text-align: center;
  margin-bottom: 20px;
}

.auth-form label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

.auth-form input,
.auth-form select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  background-color: #2a2a2a;
  border: none;
  border-radius: 6px;
  color: #fff;
}

.auth-form input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

.auth-form .checkbox-inline {
  display: flex;
  align-items: center;
  margin-top: 15px;
}

.auth-form button {
  width: 100%;
  padding: 12px;
  margin-top: 25px;
  border: none;
  border-radius: 6px;
  background-color: #3f51b5;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

.auth-form button:hover {
  background-color: #5c6bc0;
}

.auth-switch {
  text-align: center;
  margin-top: 20px;
}

.auth-switch a {
  color: #90caf9;
  text-decoration: underline;
}