:root {
  --bg: #f4f5f7; --panel: #fff; --text: #1b1f24; --muted: #667085; --line: #e3e6ea;
  --accent: #0b6bcb; --accent-text: #fff; --ok: #12805c; --warn: #b54708; --bad: #c4320a;
  --row-alt: #fafbfc; --chip: #eef2f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418; --panel: #1a1f25; --text: #e8eaed; --muted: #98a2b3; --line: #2b323b;
    --accent: #4c9cf0; --accent-text: #0b1520; --ok: #3ccb8f; --warn: #f5a524; --bad: #ff6b4a;
    --row-alt: #1e242b; --chip: #252c35;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); }
a { color: var(--accent); }
header.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--line); flex-wrap: wrap; position: sticky; top: 0; z-index: 5; }
header.top h1 { font-size: 17px; margin: 0; }
header.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
header.top nav a { text-decoration: none; color: var(--muted); padding: 6px 10px; border-radius: 6px; }
header.top nav a.on { background: var(--chip); color: var(--text); font-weight: 600; }
.conn { margin-left: auto; font-size: 12px; color: var(--muted); }
.conn::before { content: "●"; margin-right: 4px; color: var(--bad); }
.conn.ok::before { color: var(--ok); }
main { padding: 16px; max-width: 1400px; margin: 0 auto; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card h2 { font-size: 15px; margin: 0 0 10px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 8px 0 3px; }
input, select, button, textarea { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--bg); }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button { padding: 8px 14px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel);
  cursor: pointer; white-space: nowrap; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 90px; }
.row > button, .row > .shrink { flex: 0 0 auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel); }
tbody tr:nth-child(even) { background: var(--row-alt); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tablewrap { overflow: auto; max-height: 70vh; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--chip); font-size: 12px; }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--text);
  color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 50; max-width: calc(100% - 32px); }
.toast.err { background: var(--bad); color: #fff; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.big { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs button.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.split { display: grid; gap: 16px; grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) {
  main { padding: 10px; }
  .hide-sm { display: none; }
  th, td { padding: 5px 4px; }
}