/* Page layout */
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f4f6;
  color: #111827;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Card / box */
.card {
  background: #ffffff;
  padding: 2rem 2.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15);
  max-width: 640px;
  width: 90%;
  text-align: center;
}

/* Titles */
.card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.8rem;
}

.card h2 {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: #4b5563;
}

/* ASCII art */
.ascii-art {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.2;
  white-space: pre;
  text-align: left;
  margin: 1.5rem auto;
  display: inline-block;
}

/* Text & footer */
.info-text {
  margin: 1rem 0 1.5rem;
  font-size: 1rem;
}

.card-footer {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid #e5e7eb;
  font-size: 0.85rem;
  color: #6b7280;
}