/* --- Global resets & typography --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}
html, body {
  height: 100%;
}
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  line-height: 1.5;
  font-family: system-ui, sans-serif;
  background-color: #fafafa;
  /* subtle dot-pattern background */
  background-image: radial-gradient(circle at 25px 25px, rgba(0,0,0,0.03) 1%, transparent 0.5%);
  background-size: 50px 50px;
  color: #333;
  padding: 1rem;
}

/* --- Main message styling --- */
h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}
p {
  font-size: 1rem;
  max-width: 28em;
  margin-bottom: 1.5rem;
}

/* --- Footer & legal --- */
footer {
  font-size: 0.75rem;
  color: #666;
}
footer a {
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}
footer details {
  margin-top: 0.5rem;
}
footer summary {
  cursor: pointer;
}