body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f6f7f9;
  color: #1d2330;
}

main {
  max-width: 720px;
  margin: 48px auto;
  padding: 0 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  padding: 8px 12px;
  border-bottom: 1px solid #e3e6eb;
  text-align: left;
}

th { width: 45%; font-weight: 600; }

.ok   { color: #1a7f37; font-weight: 600; }
.fail { color: #c62828; font-weight: 600; }

/* Proves this file loaded: app.js reads it back. */
:root { --css-loaded: 1; }