body {
  font-family: Arial, sans-serif;
  background-color: #0b0c2a;
  color: #fff;
}
.container {
  max-width: 480px;
  margin: 2rem auto;
  padding: 2rem;
  background: #1c1f3a;
  border-radius: 12px;
}
input, select, button {
  width: 100%;
  padding: 0.6rem;
  margin: 0.4rem 0;
  border: none;
  border-radius: 6px;
}
button {
  background-color: #3366cc;
  color: white;
  cursor: pointer;
}
.logo {
  width: 100%;
  max-width: 200px;
  margin: 0 auto 1rem;
  display: block;
}