:root {
  --bg: #f7f7f5; --panel: #ffffff; --ink: #18181b; --ink-2: #52525b; --ink-3: #8a8a93;
  --line: #e7e7e4; --line-2: #f0f0ee; --accent: #2f4cdd; --accent-ink: #fff; --accent-soft: #eef1fd;
  --ok: #157f3b; --ok-soft: #e8f6ed; --warn: #9a5b00; --warn-soft: #fdf3e2; --bad: #b42318; --bad-soft: #fdecea;
  --info: #2557a7; --info-soft: #e9f0fb; --muted-soft: #f1f1ef;
  --radius: 10px; --shadow: 0 1px 2px rgba(16,16,20,.04), 0 1px 1px rgba(16,16,20,.03);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113; --panel: #18181b; --ink: #f4f4f5; --ink-2: #b4b4bb; --ink-3: #7c7c85;
    --line: #2a2a2f; --line-2: #222226; --accent: #7b93ff; --accent-ink: #0d0d10; --accent-soft: #1d2340;
    --ok: #5fd08a; --ok-soft: #13291c; --warn: #f1b44c; --warn-soft: #2d2412; --bad: #ff7b6e; --bad-soft: #301715;
    --info: #86b0ff; --info-soft: #172338; --muted-soft: #222226; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
h1 { font-size: 22px; font-weight: 650; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; font-weight: 620; margin: 0 0 12px; }
p { margin: 0 0 10px; }
.sub { color: var(--ink-2); margin-bottom: 24px; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }

.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { border-right: 1px solid var(--line); padding: 20px 14px; position: sticky; top: 0; height: 100vh; background: var(--panel); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; padding: 4px 10px 22px; color: var(--ink); }
.brand svg { color: var(--accent); }
.side nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--ink-2); font-weight: 500; margin-bottom: 2px; }
.side nav a:hover { background: var(--line-2); text-decoration: none; color: var(--ink); }
.side nav a.on { background: var(--accent-soft); color: var(--accent); }
.side .foot { position: absolute; bottom: 18px; left: 14px; right: 14px; }
.main { padding: 32px 40px 60px; max-width: 1180px; width: 100%; min-width: 0; }
.shell > * { min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 8px; flex-wrap: wrap; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.card.flush { padding: 0; overflow: hidden; }
.card.flush > h2 { padding: 18px 20px 0; }
.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat .k { color: var(--ink-3); font-size: 12.5px; font-weight: 500; }
.stat .v { font-size: 26px; font-weight: 650; letter-spacing: -.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .h { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.stat.alert .v { color: var(--bad); }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 550; font-size: 12px; color: var(--ink-3); padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 14px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr.link { cursor: pointer; }
tbody tr.link:hover td { background: var(--line-2); }
.ellipsis { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 550; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.muted { background: var(--muted-soft); color: var(--ink-2); }

.btn { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--line-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn.ghost { border-color: transparent; background: transparent; }
form.inline { display: inline; }

label { display: block; font-weight: 550; font-size: 13px; margin: 0 0 6px; }
.field { margin-bottom: 14px; }
.hint { color: var(--ink-3); font-size: 12.5px; margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=url], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); font: inherit;
}
textarea { min-height: 120px; font-family: var(--mono); font-size: 12.5px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row > .grow { flex: 1 1 220px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.checks label { display: flex; gap: 6px; align-items: center; font-weight: 450; margin: 0; }

.flash { padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; border: 1px solid transparent; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.warn { background: var(--warn-soft); color: var(--warn); }
.flash.bad { background: var(--bad-soft); color: var(--bad); }
.banner { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px; background: var(--warn-soft); color: var(--warn); }
.banner b { color: inherit; }
.banner.info { background: var(--info-soft); color: var(--info); }

.secret { display: flex; gap: 8px; align-items: center; background: var(--ok-soft); border: 1px dashed var(--ok); padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; }
.secret code { flex: 1; word-break: break-all; color: var(--ink); font-size: 13px; }
.copy { cursor: pointer; }
.dns-value { font-family: var(--mono); font-size: 12px; word-break: break-all; max-width: 520px; }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 8px 16px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; word-break: break-word; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.timeline li:last-child { border-bottom: 0; }
iframe.preview { width: 100%; height: 560px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; gap: 10px; align-items: center; padding: 7px 0; }
.dot { width: 18px; height: 18px; border-radius: 50%; display: inline-grid; place-items: center; font-size: 11px; flex: none; }
.dot.ok { background: var(--ok); color: #fff; }
.dot.no { border: 2px solid var(--line); }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 6px; }
.bars .b { flex: 1; max-width: 56px; display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch; min-width: 8px; position: relative; }
.bars .b span { background: var(--accent); border-radius: 4px 4px 0 0; display: block; min-height: 2px; }
.bars .b span.bad { background: var(--bad); border-radius: 0; }
.bars-x { display: flex; gap: 6px; margin-top: 6px; }
.bars-x span { flex: 1; max-width: 56px; text-align: center; font-size: 10.5px; color: var(--ink-3); min-width: 8px; }
.tabs { display: flex; gap: 4px; background: var(--line-2); padding: 3px; border-radius: 8px; }
.tabs a { padding: 5px 11px; border-radius: 6px; color: var(--ink-2); font-weight: 550; font-size: 12.5px; }
.tabs a.on { background: var(--panel); color: var(--ink); box-shadow: var(--shadow); }
.tabs a:hover { text-decoration: none; }
pre.json { background: var(--line-2); padding: 12px; border-radius: 8px; overflow: auto; font-size: 12px; max-height: 340px; margin: 0; }
details summary { cursor: pointer; color: var(--ink-2); }
.empty { text-align: center; padding: 40px 20px; color: var(--ink-3); }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 12px 16px; }
  .side nav { display: flex; overflow-x: auto; gap: 4px; }
  .side nav a { white-space: nowrap; }
  .brand { padding: 2px 4px 10px; }
  .side .foot { position: static; margin-top: 8px; }
  .main { padding: 20px 16px 48px; }
  .g4, .g3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .g2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; }
  .hide-sm { display: none; }
  .card.flush { overflow-x: auto; }
  table.stack thead { display: none; }
  table.stack tr { display: block; padding: 10px 2px; border-bottom: 1px solid var(--line-2); }
  table.stack tr:last-child { border-bottom: 0; }
  table.stack td { display: block; border: 0; padding: 3px 16px; max-width: none; }
  table.stack td.ellipsis { white-space: normal; }
  .dns-value { max-width: none; }
}