body { font-family: sans-serif; margin: 0; padding: 0; }
#login-icon { position: fixed; top: 10px; left: 10px; cursor: pointer; }
#login-icon img { width: 32px; height: 32px; }
.hidden { display: none; }
#login-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5); display: flex;
  align-items: center; justify-content: center;
}
#login-form {
  background: #fff; padding: 20px; border-radius: 8px;
  display: flex; flex-direction: column; gap: 10px;
}
#menu {
  position: fixed; top: 50px; left: 10px;
  background: #fff; padding: 10px; border-radius: 4px;
}