:root {
  --bg: #f6f7f9; --surface: #fff; --text: #1d2430; --muted: #667085; --border: #e3e6eb;
  --primary: #dc2626; --primary-text: #fff; --danger: #b42318;
  --ok-bg: #e7f6ec; --ok: #1a7f37; --warn-bg: #fff4e0; --warn: #9a5b00; --bad-bg: #fde8e8; --bad: #b42318;
  --idle-bg: #eef0f3; --idle: #475467;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --surface: #1b2029; --text: #e6e9ef; --muted: #98a2b3; --border: #2c3340;
    --ok-bg: #12321e; --ok: #6fdc8c; --warn-bg: #3a2a0c; --warn: #f5c26b; --bad-bg: #3d1414; --bad: #ff8a80;
    --idle-bg: #262c37; --idle: #c0c7d2;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar h1 { font-size: 18px; margin: 0; }
main { max-width: 1200px; margin: 0 auto; padding: 20px 16px 40px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input { flex: 1 1 260px; }
input, select, textarea { font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%; }
.toolbar select { width: auto; }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tbody tr:hover { background: color-mix(in srgb, var(--border) 35%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td small { display: block; color: var(--muted); }
code, .key { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; }
.key { cursor: pointer; border-bottom: 1px dashed var(--muted); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ACTIVE { background: var(--ok-bg); color: var(--ok); }
.badge.EXPIRED, .badge.SUSPENDED { background: var(--warn-bg); color: var(--warn); }
.badge.REVOKED { background: var(--bad-bg); color: var(--bad); }
.empty { padding: 24px; text-align: center; color: var(--muted); margin: 0; }
.btn { font: inherit; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 8px; padding: 7px 14px; cursor: pointer; }
.btn:hover { filter: brightness(0.97); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; }
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 0; width: min(640px, calc(100vw - 32px)); background: var(--surface); color: var(--text); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog form { padding: 20px; }
dialog h2 { margin: 0 0 6px; font-size: 18px; }
dialog h3 { font-size: 14px; margin: 18px 0 8px; }
.key-line { margin: 0 0 12px; color: var(--muted); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.grid label small { font-size: 11px; }
.span2 { grid-column: span 2; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } .span2 { grid-column: auto; } }
#act-list { list-style: none; padding: 0; margin: 0; }
#act-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; }
#act-list li small { display: block; color: var(--muted); }
.actions { display: flex; gap: 8px; margin-top: 18px; }
.spacer { flex: 1; }
.error { color: var(--bad); margin: 12px 0 0; }
.pubkey { margin-top: 24px; color: var(--muted); }
.pubkey summary { cursor: pointer; }
.pubkey textarea { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; }
.topbar-actions { display: flex; gap: 8px; }
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: min(360px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { font-size: 20px; margin: 0; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-card .btn { margin-top: 6px; padding: 9px 14px; }
.login-card .error { margin: 0; }
.login-sub { margin: -6px 0 4px; color: var(--muted); }
.notice { margin: 0; color: var(--ok); }