:root {
  --ink: #22252a;
  --paper: #f6f4ef;
  --card: #ffffff;
  --line: #e2ddd2;
  --navy: #1f2a38;
  --gold: #b8892c;
  --gold-soft: #f5c96b;
  --ok: #2e7d4f;
  --bad: #b03a2e;
  --muted: #7a7568;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.topbar {
  background: var(--navy); color: #fff; padding: 14px 28px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
}
.brand { font-size: 18px; font-weight: 700; color: var(--gold-soft); }
.brand span { color: #fff; font-weight: 400; }
.topbar nav a {
  color: #d7dbe2; text-decoration: none; margin-left: 18px; font-size: 14px;
}
.topbar nav a:hover { color: var(--gold-soft); }
.topbar nav a.muted { opacity: .6; }
main { max-width: 1080px; margin: 28px auto; padding: 0 20px; }
h1 { font-size: 24px; margin: 0 0 18px; }
h2 { font-size: 17px; margin: 26px 0 10px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px 24px; margin-bottom: 18px;
}
.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 22px; min-width: 150px;
}
.stat .n { font-size: 26px; font-weight: 700; color: var(--navy); }
.stat .l { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
tr:hover td { background: #faf8f3; }
a { color: var(--gold); }
.key {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-weight: 600; letter-spacing: .5px; color: var(--navy);
}
.key-big {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 22px; font-weight: 700; letter-spacing: 1px; color: var(--navy);
  background: #f8f6f1; border: 1px dashed #c8bfa8; border-radius: 8px;
  padding: 14px 18px; text-align: center; margin: 8px 0 18px;
}
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge-active  { background: #e2f2e8; color: var(--ok); }
.badge-revoked { background: #fbe4e1; color: var(--bad); }
.badge-expired { background: #f3ead2; color: #8a6d1d; }
form.stack label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 13.5px; }
input[type=text], input[type=email], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 7px;
  font: inherit; background: #fff;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
button, .btn {
  background: var(--navy); color: #fff; border: 0; border-radius: 7px;
  padding: 10px 20px; font: inherit; font-weight: 600; cursor: pointer; margin-top: 16px;
}
button:hover, .btn:hover { background: #2c3b4f; }
button.secondary { background: #e8e4da; color: var(--ink); }
button.danger { background: var(--bad); }
.inline-form { display: inline; }
.inline-form button { margin-top: 0; padding: 7px 14px; font-size: 13.5px; }
.flash { padding: 11px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-ok    { background: #e2f2e8; color: var(--ok); }
.flash-error { background: #fbe4e1; color: var(--bad); }
.detail-grid { display: grid; grid-template-columns: 180px 1fr; row-gap: 9px; font-size: 14.5px; }
.detail-grid .k { color: var(--muted); }
.muted { color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); margin-top: 4px; }
.login-box { max-width: 380px; margin: 80px auto; }
code.pill { background:#eee9de; border-radius:5px; padding:1px 7px; font-size:13px; }