:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink-2: #52514e; --muted: #6f6d67;
  --grid: #e1e0d9; --axis: #c3c2b7; --border: rgba(11, 11, 11, 0.10); --hover: rgba(11, 11, 11, 0.05);
  --series-1: #2a78d6; --series-2: #eb6834; --seq-bar: #3987e5;
  --good: #006300; --warning-ink: #8a5a00; --critical: #d03b3b; --critical-ink: #b02a2a; --warning: #fab219;
  --focus: #2a78d6; --skeleton: #ecebe6;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #a09e96;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --hover: rgba(255, 255, 255, 0.07);
    --series-1: #3987e5; --series-2: #d95926; --seq-bar: #3987e5;
    --good: #0ca30c; --warning-ink: #fab219; --critical: #ec5b5b; --critical-ink: #ff8a8a; --warning: #fab219;
    --focus: #6da7ec; --skeleton: #262624;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
button, select, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px 48px; }

/* header */
.top { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; padding: 16px 0; }
.brand { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand b { font-size: 20px; letter-spacing: 0.02em; }
.brand span { color: var(--ink-2); }
.seg { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: none; padding: 6px 12px; border-radius: 7px; cursor: pointer; color: var(--ink-2); white-space: nowrap; }
.seg button:hover, .seg a:hover { background: var(--hover); }
.seg a { display: inline-block; padding: 6px 14px; border-radius: 7px; color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.seg a[aria-current="page"] { background: var(--ink); color: var(--page); font-weight: 600; }
.seg.tabs[hidden] { display: none; }
@media (max-width: 600px) {
  .seg { width: 100%; }
  .seg button { flex: 1; padding: 7px 4px; font-size: 13px; white-space: normal; line-height: 1.2; }
}
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--page); }
.who { color: var(--ink-2); display: flex; align-items: center; gap: 10px; }
.linkbtn { border: 0; background: none; color: var(--ink-2); text-decoration: underline; cursor: pointer; padding: 4px; }
.linkbtn:hover { color: var(--ink); }

/* cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.card h2 { margin: 0 0 2px; font-size: 15px; font-weight: 600; }
.sub { margin: 0 0 12px; color: var(--ink-2); font-size: 13px; }
.grid { display: grid; gap: 12px; margin-top: 12px; }
.g-kpi { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: 0; }
.g-2 { grid-template-columns: 2fr 1fr; }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-eq { grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .g-2, .g-3, .g-eq { grid-template-columns: 1fr; } }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pair .big { font-size: 26px; font-weight: 650; line-height: 1.15; letter-spacing: -0.01em; margin: 2px 0 4px; }
.pair .l { color: var(--ink-2); font-size: 13px; }
.pair .n { color: var(--ink-2); font-size: 12.5px; }

/* KPI tiles */
.kpi .label { color: var(--ink-2); font-size: 13px; }
.kpi .value { font-size: 28px; font-weight: 650; line-height: 1.15; margin: 4px 0 6px; letter-spacing: -0.01em; }
.kpi .note { font-size: 12.5px; color: var(--ink-2); min-height: 18px; }
.delta { font-weight: 600; }
.delta.up { color: var(--good); }
.delta.down { color: var(--critical-ink); }
.chip { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); margin-top: 2px; }
.chip.warn { color: var(--warning-ink); border-color: currentColor; }
.chip.crit { color: var(--critical-ink); border-color: currentColor; }

/* attention */
.flags { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.flags li { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; }
.tag { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 6px; border: 1px solid currentColor; white-space: nowrap; }
.tag.critical { color: var(--critical-ink); }
.tag.warning { color: var(--warning-ink); }
.tag.info { color: var(--ink-2); }
.flags b { display: block; font-weight: 600; }
.flags span.d { color: var(--ink-2); font-size: 13.5px; }
.allclear { color: var(--ink-2); margin: 0; }

/* bar lists */
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bars li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 12px; font-size: 14px; }
.bars .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bars .amt { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.bars .subline { grid-column: 1 / -1; font-size: 12px; color: var(--ink-2); margin-top: -2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bars .track { grid-column: 1 / -1; height: 8px; border-radius: 4px; background: var(--grid); overflow: hidden; }
.bars .fill { height: 100%; border-radius: 4px; background: var(--seq-bar); min-width: 2px; }
.bars .fill.neg { background: var(--critical); }
.bars .tagneg { color: var(--critical-ink); font-size: 12px; font-weight: 600; margin-left: 6px; }
.more { color: var(--ink-2); font-size: 13px; margin: 10px 0 0; }

/* chart */
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.legend i.line { height: 3px; width: 14px; border-radius: 2px; vertical-align: 3px; }
#trend-chart { width: 100%; }
#trend-chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.axis text { fill: var(--muted); font-size: 11.5px; }
.tip {
  position: fixed; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18); display: none; max-width: 240px;
}
.tip b { display: block; margin-bottom: 2px; }
.tip div { display: flex; justify-content: space-between; gap: 16px; }
details { margin-top: 10px; font-size: 13px; color: var(--ink-2); }
details summary { cursor: pointer; width: fit-content; }
details p { margin: 6px 0 0; }
table.t { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
table.t th, table.t td { text-align: right; padding: 4px 6px; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
table.t th:first-child, table.t td:first-child { text-align: left; }

/* states */
.skeleton { background: var(--skeleton); border-radius: 6px; height: 1em; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }
.err { color: var(--critical-ink); font-size: 14px; margin: 0; }
.err button { margin-left: 8px; }
.foot { color: var(--muted); font-size: 12.5px; margin-top: 20px; }

/* login / simple pages */
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.panel { width: 100%; max-width: 380px; }
.panel h1 { margin: 0 0 4px; font-size: 22px; }
.panel label { display: block; margin: 14px 0 4px; font-size: 13.5px; color: var(--ink-2); }
.panel input { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--axis); background: var(--page); }
.panel .go { width: 100%; margin-top: 18px; padding: 11px; border: 0; border-radius: 8px; background: var(--ink); color: var(--page); font-weight: 600; cursor: pointer; }
.formerr { color: var(--critical-ink); margin: 12px 0 0; min-height: 1.4em; }