:root {
  --bg: #f5f6f8; --surface: #ffffff; --text: #1d232b; --muted: #66707c; --border: #dde1e6;
  --accent: #1565c0; --accent-text: #ffffff;
  --green: #2e9d4f; --yellow: #e6a100; --red: #d32f2f; --grey: #9aa3ad;
  --green-bg: #e7f5ec; --yellow-bg: #fff6dc; --red-bg: #fdeaea; --grey-bg: #eef0f2;
  --code-bg: #f0f2f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b; --surface: #1d2126; --text: #e4e7eb; --muted: #9aa3ad; --border: #2f353c;
    --accent: #5aa0f0; --accent-text: #0b1220;
    --green-bg: #183323; --yellow-bg: #3a2f10; --red-bg: #3d1b1b; --grey-bg: #262b31;
    --code-bg: #161a1e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 28px 0 10px; }
h3 { font-size: 15px; margin: 18px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px;
  overflow: auto; max-height: 520px; }

.topbar { display: flex; align-items: center; gap: 24px; padding: 0 20px; height: 52px;
  background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); }
.user { display: flex; align-items: center; gap: 10px; color: var(--muted); }
main { max-width: 1280px; margin: 0 auto; padding: 24px 20px 48px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 0 0 24px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap;
  margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }
.table-wrap { border: 1px solid var(--border); border-radius: 8px; overflow: auto; }
.table-wrap table { border: 0; }
.table-wrap tr:last-child td { border-bottom: 0; }
tr.group td { background: var(--grey-bg); font-weight: 600; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; vertical-align: -1px; margin-right: 6px; }
.dot.green { background: var(--green); } .dot.yellow { background: var(--yellow); }
.dot.red { background: var(--red); } .dot.grey { background: var(--grey); }
.status { white-space: nowrap; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge.critical, .badge.failed { background: var(--red-bg); color: var(--red); }
.badge.warning { background: var(--yellow-bg); color: #9a6b00; }
.badge.ok, .badge.success, .badge.sent, .badge.resolved { background: var(--green-bg); color: var(--green); }
.badge.pending, .badge.neutral { background: var(--grey-bg); color: var(--muted); }
@media (prefers-color-scheme: dark) { .badge.warning { color: var(--yellow); } }

.counters { display: flex; gap: 10px; flex-wrap: wrap; }
.counter { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px;
  min-width: 110px; }
.counter b { font-size: 20px; display: block; }

.problems { margin: 0; padding: 0; list-style: none; }
.problems li { margin: 2px 0; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.flash.ok { background: var(--green-bg); color: var(--green); }
.flash.err { background: var(--red-bg); color: var(--red); }
.flash ul { margin: 0; padding-left: 18px; }

form.inline { display: inline; margin: 0; }
label { display: block; font-weight: 600; margin: 10px 0 4px; }
label.check { font-weight: 400; display: flex; gap: 6px; align-items: center; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=search],
select, textarea { width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--text); font: inherit; }
textarea { min-height: 70px; }
.field-row { display: grid; grid-template-columns: 1fr 160px; gap: 10px; align-items: center;
  padding: 4px 0; border-bottom: 1px dashed var(--border); }
.field-row label { margin: 0; font-weight: 400; }
button, .btn { display: inline-block; padding: 7px 14px; border: 1px solid var(--accent); border-radius: 6px;
  background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600; cursor: pointer; }
button.secondary, .btn.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--red); border-color: var(--red); color: #fff; }
button.small { padding: 3px 9px; font-size: 12px; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; font-weight: 400; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.login-wrap { max-width: 420px; margin: 60px auto; }
.login-wrap .card { padding: 24px; }
.divider { text-align: center; color: var(--muted); margin: 18px 0; font-size: 12px; }
.ms-btn { width: 100%; text-align: center; }

.secret { font-size: 15px; padding: 10px 12px; background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; word-break: break-all; user-select: all; }
.warn-box { background: var(--yellow-bg); border-radius: 6px; padding: 10px 14px; margin: 12px 0; }
details summary { cursor: pointer; color: var(--accent); }
.danger-zone { border-color: var(--red); }

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px 16px; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; }
  main { padding: 16px; }
  .field-row { grid-template-columns: 1fr; }
}