:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280; --border: #e3e6ea;
  --primary: #1a56db; --primary-text: #fff; --danger: #c81e1e; --ok: #057a55; --warn: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --card: #1b2027; --text: #e6e8eb; --muted: #9aa3ae; --border: #2c333d;
          --primary: #4f83f1; --danger: #f05252; --ok: #31c48d; --warn: #f59e0b; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
.topbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
          padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.brand span { color: var(--muted); font-weight: 400; }
nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
nav a { text-decoration: none; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; overflow-x: auto; }
.card.narrow { max-width: 620px; margin-left: auto; margin-right: auto; }
.card.highlight { border-color: var(--warn); }
h1 { font-size: 1.5rem; margin: 0 0 12px; } h2 { font-size: 1.15rem; margin: 0 0 12px; }
.row-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.small { font-size: 12px; color: var(--muted); }
.muted { color: var(--muted); }
.btn { display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border); background: var(--card);
       color: var(--text); text-decoration: none; cursor: pointer; font: inherit; margin: 4px 4px 4px 0; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }
form.inline { display: inline; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.stack small { font-weight: 400; }
input, select, textarea { font: inherit; font-weight: 400; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; border: 1px solid var(--border); background: var(--card); }
.flash.success { border-color: var(--ok); } .flash.error { border-color: var(--danger); color: var(--danger); }
.banner { background: var(--primary); color: #fff; text-align: center; padding: 6px; font-size: 13px; }
.banner.warn { background: var(--warn); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; border: 1px solid currentColor; }
.s-pending, .s-approved { color: var(--warn); } .s-active { color: var(--ok); }
.s-rejected, .s-failed { color: var(--danger); }
.s-revoked, .s-expired, .s-cancelled, .s-timed_out { color: var(--muted); }
dl.grid { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; margin: 0 0 16px; }
dl.grid dt { color: var(--muted); } dl.grid dd { margin: 0; word-break: break-word; }
.pre { white-space: pre-wrap; }
.actions { margin-top: 12px; }
code { font-size: 12px; }
@media (max-width: 600px) { dl.grid { grid-template-columns: 1fr; } .topbar { padding: 12px 16px; } }