:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --text: #17181c;
  --muted: #62656e;
  --border: #e2e3e8;
  --accent: #2f5bd3;
  --ok: #1d7a46;
  --warn: #a35c00;
  --bad: #c0352b;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111215;
    --surface: #1a1b20;
    --text: #e9eaee;
    --muted: #9a9daa;
    --border: #2c2e36;
    --accent: #7b9cff;
    --ok: #4cc283;
    --warn: #e6a23c;
    --bad: #ff6b5e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}

.bar nav { display: flex; gap: 4px; }
.bar nav button { background: none; color: var(--muted); border: 0; padding: 6px 10px; border-radius: 6px; }
.bar nav button[aria-current="page"] { color: var(--text); background: var(--bg); }
.spacer { flex: 1; }

main { max-width: 1100px; margin: 0 auto; padding: 16px 24px 48px; }

h1 { font-size: 22px; }
h2 { font-size: 16px; margin: 28px 0 10px; }
h3 { font-size: 14px; margin: 18px 0 8px; }

.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.4em; }
.status { min-height: 1.4em; }
.status.ok { color: var(--ok); }
.status.bad { color: var(--bad); }

.center { max-width: 360px; margin: 12vh auto 0; text-align: center; }
.center #gsi { display: flex; justify-content: center; }

.row-head { display: flex; align-items: baseline; gap: 12px; justify-content: space-between; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.card .value.ok { color: var(--ok); }
.card .value.bad { color: var(--bad); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.mono, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; overflow-wrap: anywhere; }
td.empty { color: var(--muted); text-align: center; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
td .bad { color: var(--bad); }

button {
  font: inherit;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }
button.danger { background: var(--surface); color: var(--bad); border-color: var(--bad); }

input {
  font: inherit;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  width: 100%;
}

.inline { display: flex; gap: 8px; max-width: 560px; margin-top: 8px; }
.stack { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.stack label { display: flex; flex-direction: column; gap: 4px; width: 100%; color: var(--muted); font-size: 12px; }

details { margin-top: 18px; }
pre { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; overflow: auto; font-size: 12px; }

@media (max-width: 720px) {
  .bar { flex-wrap: wrap; gap: 8px 16px; padding: 10px 16px; }
  .bar #who { display: none; }
  main { padding: 8px 16px 40px; }
  .split { grid-template-columns: 1fr; }
  .row-head { flex-direction: column; gap: 2px; }
  table { display: block; overflow-x: auto; }
  th, td { white-space: nowrap; }
}