:root {
  --bg: #f5f5f7; --card: #fff; --fg: #1d1d1f; --muted: #6e6e73; --line: rgba(0,0,0,.1); --fill: rgba(0,0,0,.05);
  --accent: #0066cc; --ok: #1f7a3a; --ok-bg: rgba(36,138,61,.14); --warn: #8a4b00; --warn-bg: rgba(255,149,0,.2);
  --bad: #d70015; --bad-bg: rgba(215,0,21,.1);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161618; --card: #232325; --fg: #f5f5f7; --muted: #a1a1a6; --line: rgba(255,255,255,.14); --fill: rgba(255,255,255,.08);
    --accent: #64b5ff; --ok: #30d158; --ok-bg: rgba(48,209,88,.16); --warn: #ffb340; --warn-bg: rgba(255,179,64,.18);
    --bad: #ff6961; --bad-bg: rgba(255,105,97,.16); }
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--fg); }
body { margin: 0; font: 14px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif; }
[hidden] { display: none !important; }
code { padding: 1px 5px; border-radius: 5px; background: var(--fill); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
h1 { margin: 0; font-size: 18px; } h2 { margin: 0; font-size: 15px; }
.muted { color: var(--muted); margin: 4px 0 0; font-size: 13px; }
.grow { flex: 1; }
#app { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; display: flex; flex-direction: column; gap: 14px; }
.top, .row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card { padding: 16px 18px; border-radius: 14px; background: var(--card); box-shadow: 0 0 0 1px var(--line); }
.btn { height: 30px; padding: 0 12px; border: 0; border-radius: 8px; background: var(--fill); color: var(--fg); font: inherit; font-size: 13px; cursor: pointer; }
.btn:hover { background: var(--line); } .btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); color: #fff; } .btn.ok { color: var(--ok); background: var(--ok-bg); }
.btn.bad { color: var(--bad); background: var(--bad-bg); } .btn.small { height: 26px; padding: 0 9px; font-size: 12px; }
input[type=text], input[type=password], input:not([type]) { width: 100%; height: 32px; padding: 0 10px; border: 0; border-radius: 8px; background: var(--fill);
  color: var(--fg); font: inherit; box-shadow: inset 0 0 0 1px var(--line); }
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); display: flex; flex-direction: column; gap: 12px; padding: 26px; }
.msg { min-height: 1.3em; margin: 0; font-size: 13px; color: var(--bad); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.stat { padding: 12px 16px; border-radius: 12px; background: var(--card); box-shadow: 0 0 0 1px var(--line); display: flex; flex-direction: column; }
.stat b { font-size: 24px; line-height: 1.2; } .stat span { color: var(--muted); font-size: 12px; }
.stat.warn b { color: var(--warn); } .stat.ok b { color: var(--ok); } .stat.bad b { color: var(--bad); }
.tabs { display: inline-flex; gap: 2px; padding: 2px; border-radius: 9px; background: var(--fill); }
.tabs button { height: 26px; padding: 0 11px; border: 0; border-radius: 7px; background: none; color: var(--muted); font: inherit; font-size: 12px; cursor: pointer; }
.tabs button[aria-selected=true] { background: var(--card); color: var(--fg); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.table-wrap { overflow-x: auto; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 6px 10px; color: var(--muted); font-weight: 500; font-size: 12px; white-space: nowrap; }
td { padding: 9px 10px; border-top: 1px solid var(--line); white-space: nowrap; }
.right { text-align: right; } td.actions { display: flex; gap: 6px; justify-content: flex-end; }
.empty { padding: 28px 0; text-align: center; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; }
.badge.pending { color: var(--warn); background: var(--warn-bg); } .badge.approved { color: var(--ok); background: var(--ok-bg); }
.badge.revoked { color: var(--bad); background: var(--bad-bg); }
.mono { font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.switch { position: relative; width: 44px; height: 26px; flex: none; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.switch i { position: absolute; inset: 0; border-radius: 13px; background: var(--line); transition: background .15s; pointer-events: none; }
.switch i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .15s; }
.switch input:checked + i { background: var(--ok); } .switch input:checked + i::after { transform: translateX(18px); }
.switch input:focus-visible + i { outline: 2px solid var(--accent); outline-offset: 2px; }
.vers { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin-top: 12px; }
.ver { padding: 14px; border-radius: 12px; background: var(--bg); display: flex; flex-direction: column; gap: 8px; }
.ver h3 { margin: 0; font-size: 13px; }
.ver label { display: grid; grid-template-columns: 74px 1fr; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.ver .acts { display: flex; gap: 8px; justify-content: flex-end; }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); padding: 8px 14px; border-radius: 10px; background: var(--fg); color: var(--bg);
  min-height: 0; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.on { opacity: 1; }
@media (max-width: 640px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }