body {
  font-family: system-ui, sans-serif;
  max-width: 640px;
  margin: 2rem auto;
  padding: 0 1rem;
}
section {
  margin-bottom: 2rem;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
}
label {
  display: block;
  margin-bottom: 0.5rem;
}
input {
  margin-left: 0.5rem;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 0.25rem 0.5rem;
  border-bottom: 1px solid #eee;
}
.status-success { color: #1a7f37; }
.status-error { color: #cf222e; }
.hidden { display: none; }
.version-badge { font-size: 0.8rem; color: #666; font-weight: normal; }