body {
  background-color: #0a192f;
  color: #ccd6f6;
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 480px;
  margin: 3rem auto;
  padding: 2rem;
  background-color: #112240;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}
h2 {
  text-align: center;
  color: #64ffda;
}
input, select, button {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: none;
  font-size: 1rem;
}
input, select {
  background-color: #233554;
  color: #ccd6f6;
}
button {
  background-color: #64ffda;
  color: #0a192f;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}
button:hover {
  background-color: #52e0c4;
}
.logo {
  display: block;
  margin: 0 auto 1rem auto;
  width: 80px;
  height: auto;
}