:root {
  --bg: #0d1117; --panel: #151b23; --line: #263041; --text: #d7dde6; --muted: #8b96a8;
  --ok: #3fb68b; --warn: #e3a33b; --bad: #e5534b; --accent: #5aa9e6;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fa; --panel: #ffffff; --line: #d9dee6; --text: #1d2430; --muted: #5d6878;
    --ok: #1f8a63; --warn: #a86a00; --bad: #c0392b; --accent: #1d6fb8;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.bar { display: flex; align-items: center; gap: 16px; padding: 12px 20px;
  border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .04em; }
.brand span { color: var(--muted); font-weight: 500; }
.boundary { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--ok);
  border: 1px solid var(--ok); border-radius: 4px; padding: 2px 8px; }
.session { margin-left: auto; display: flex; gap: 10px; align-items: center; color: var(--muted); }
button { font: inherit; color: var(--text); background: transparent; border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 12px; cursor: pointer; }
button:hover { border-color: var(--accent); }
main { max-width: 1280px; margin: 0 auto; padding: 20px 16px 48px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; }
.card h2 { margin: 0 0 12px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.wide { margin-top: 16px; }
.login { max-width: 420px; margin: 64px auto; }
.login h1 { margin: 0 0 6px; font-size: 20px; }
.login p { color: var(--muted); margin: 0 0 16px; }
.login label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.login input { width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; margin-bottom: 12px; }
.error { color: var(--bad); min-height: 1.5em; margin: 8px 0 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }
.note, .notes li { color: var(--muted); font-size: 13px; }
.notes { padding-left: 18px; margin: 12px 0 0; }
.generated { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.ok { color: var(--ok); } .warn { color: var(--warn); } .bad { color: var(--bad); } .dim { color: var(--muted); }
.feed { border-top: 1px solid var(--line); padding: 8px 0; }
.feed:first-child { border-top: 0; padding-top: 0; }
.feed .id { font-weight: 600; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.bars { display: flex; align-items: flex-end; gap: 2px; height: 64px; margin-top: 12px; }
.bars > div { flex: 1; display: flex; flex-direction: column-reverse; min-width: 2px; }
.bars .c4 { background: var(--warn); } .bars .c5 { background: var(--bad); }
.bars .zero { background: var(--line); height: 1px; }