body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  padding: 1.5rem;
  background: #f8fafc;
  color: #111;
}
main {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 16px;
  padding: 1.5rem 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
h1 {
  margin-top: 0;
}
a {
  color: #0066cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
form label {
  display: block;
  margin-bottom: 0.85rem;
}
input, textarea, button {
  width: 100%;
  max-width: 100%;
  padding: 0.65rem;
  margin-top: 0.35rem;
  border: 1px solid #ccd0d8;
  border-radius: 8px;
  font: inherit;
}
button {
  background: #005eb8;
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 0.75rem;
}
button:hover {
  background: #004494;
}