body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom right, #ffcc00, #ff6600, #33ccff);
  color: #222;
  margin: 0;
  padding: 0;
}
header {
  text-align: center;
  padding: 20px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
h1 {
  color: #ff6600;
}
main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
  background: rgba(255,255,255,0.9);
  border-radius: 12px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
button {
  background: #ff6600;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}
button:hover {
  background: #e65c00;
}
footer {
  text-align: center;
  padding: 10px;
  background: #fff;
  font-size: 0.9em;
  margin-top: 20px;
}