:root {
  --bg: #f7f6f2; --surface: #ffffff; --text: #1d1d1b; --muted: #5f5e58; --line: #e2e0d8;
  --accent: #2f6b4f; --online: #1f7a45; --offline: #8a6d1d; --revoked: #a33a2c;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413; --surface: #1d1d1b; --text: #ecebe6; --muted: #a3a29b; --line: #34332f;
    --accent: #7cc4a0; --online: #6fd39a; --offline: #e0c063; --revoked: #f08a7a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 760px; margin: 0 auto; padding: 16px 16px 0; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .02em; color: var(--accent); text-decoration: none; }
.bar nav { display: flex; align-items: center; gap: 16px; }
.bar nav a { color: var(--text); }
.bar form { margin: 0; }
.bar button { padding: 6px 12px; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 600; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 8px; overflow-wrap: anywhere; }
h2 { font-size: 1.1rem; margin: 32px 0 12px; }
.meta, .note, .empty { color: var(--muted); margin: 0 0 8px; }
code { font: .9em ui-monospace, "SFMono-Regular", Consolas, monospace; overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .85rem; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.status::before { content: "●"; margin-right: 6px; }
.status.online { color: var(--online); }
.status.offline, .status.not_enrolled { color: var(--offline); }
.status.revoked { color: var(--revoked); }
form { margin-top: 32px; }
button, .button { display: inline-block; font: inherit; padding: 8px 16px; border-radius: 6px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  text-decoration: none; cursor: pointer; }
button:hover, .button:hover { border-color: var(--accent); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px; margin: 16px 0; }
.card h2 { margin: 0 0 4px; }
.what { white-space: pre-wrap; overflow-wrap: anywhere; font: .9em ui-monospace, Consolas, monospace;
  background: var(--bg); padding: 12px; border-radius: 6px; margin: 12px 0; }
.card form { margin-top: 12px; }
.card label { display: block; color: var(--muted); font-size: .9rem; }
.card input[type=text] { display: block; width: 100%; font: inherit; padding: 10px; margin-top: 4px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); }
.actions { display: flex; gap: 12px; margin: 12px 0 0; }
.actions button { flex: 1; padding: 14px; font-weight: 600; }
button.approve { background: var(--online); border-color: var(--online); color: #fff; }
button.deny { color: var(--revoked); border-color: var(--revoked); }
@media (max-width: 560px) {
  th:nth-child(4), td:nth-child(4) { display: none; }
}