body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: #fff;
  color: #222;
}
header {
  background: #e7f5ff;
  padding: 20px;
  border-bottom: 1px solid #74c0fc;
}
main {
  max-width: 640px;
  margin: 32px auto;
  padding: 0 16px;
}
dl {
  background: #f1f3f5;
  padding: 16px;
  border-radius: 8px;
  font-size: 14px;
}
dt {
  font-weight: bold;
  color: #495057;
  margin-top: 8px;
}
dt:first-of-type {
  margin-top: 0;
}
dd {
  margin: 0 0 8px 0;
  word-break: break-all;
}
button {
  background: #0ca678;
  color: #fff;
  border: 0;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
}
button:hover {
  background: #087f5b;
}
.badge {
  display: inline-block;
  background: #fff3bf;
  color: #5f3dc4;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin-left: 8px;
}
.signup-card {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}
.muted {
  color: #868e96;
  font-size: 13px;
}