:root {
  color-scheme: light;
  --surface-0: #f4f4f2;
  --surface-1: #fcfcfb;
  --border: #e4e3df;
  --grid: #ebeae6;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --series-1: #2a78d6;
  --bar-wash: #cde2fb;
  --accent: #2a78d6;
  --good: #008300;
  --critical: #e34948;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-0: #111110;
    --surface-1: #1a1a19;
    --border: #2c2c2a;
    --grid: #262624;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e86;
    --series-1: #3987e5;
    --bar-wash: #1f3a5c;
    --accent: #3987e5;
    --good: #2fa52f;
    --critical: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #111110;
  --surface-1: #1a1a19;
  --border: #2c2c2a;
  --grid: #262624;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #8f8e86;
  --series-1: #3987e5;
  --bar-wash: #1f3a5c;
  --accent: #3987e5;
  --good: #2fa52f;
  --critical: #e66767;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--surface-0); color: var(--text-primary); }
main { max-width: 1120px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 13px; font-weight: 600; margin: 0 0 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
h3 { font-size: 14px; margin: 20px 0 8px; }
button, select, input { font: inherit; color: inherit; }
select, input { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; min-height: 34px; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 7px 14px; cursor: pointer; }
button.ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.panel { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.narrow { max-width: 360px; margin: 15vh auto 0; }
#login-form, .stack { display: flex; flex-direction: column; gap: 8px; }
.error { color: var(--critical); margin: 4px 0 0; }

.topbar { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
#custom-range { display: inline-flex; gap: 6px; }
.live { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); }
.live .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 25%, transparent); }

.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip { background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; }
.chip b { font-weight: 600; }
.notes { color: var(--text-muted); margin: 0 0 12px; }

.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.tile { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.tile .label { color: var(--text-secondary); font-size: 13px; }
.tile .value { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
button.tile.active { border-color: var(--accent); box-shadow: inset 0 -3px 0 var(--accent); }
.tile.static { cursor: default; }

.chart-panel { position: relative; margin-bottom: 12px; }
.chart { width: 100%; height: 260px; }
.chart svg { display: block; overflow: visible; }
.chart text { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.tooltip { position: absolute; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; box-shadow: 0 4px 16px rgb(0 0 0 / 0.12); white-space: nowrap; font-variant-numeric: tabular-nums; }
.tooltip .muted { color: var(--text-secondary); font-size: 12px; }
.table-view { margin-top: 8px; color: var(--text-secondary); }
.table-view table { margin-top: 8px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table-view td, .table-view th { padding: 2px 16px 2px 0; text-align: left; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tabs { display: flex; gap: 4px; margin: -4px 0 10px; }
.tabs button { background: transparent; color: var(--text-secondary); padding: 3px 8px; border-radius: 6px; }
.tabs button.active { background: var(--surface-0); color: var(--text-primary); }
.rows { list-style: none; margin: 0; padding: 0; }
.rows .head { display: flex; justify-content: space-between; color: var(--text-muted); font-size: 12px; padding: 0 8px 6px; }
.row { position: relative; display: flex; justify-content: space-between; gap: 12px; width: 100%; padding: 6px 8px; margin-bottom: 2px; background: transparent; color: var(--text-primary); border-radius: 4px; text-align: left; }
.row:hover { background: var(--surface-0); }
.row .bar { position: absolute; inset: 0 auto 0 0; background: var(--bar-wash); border-radius: 4px; }
.row .name, .row .num { position: relative; }
.row .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .num { font-variant-numeric: tabular-nums; color: var(--text-secondary); }
.empty { color: var(--text-muted); padding: 8px; }

dialog { background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 12px; width: min(520px, calc(100vw - 32px)); padding: 20px; }
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
.close-row { display: flex; justify-content: flex-end; margin: -8px -8px 0 0; }
#site-list { padding-left: 18px; color: var(--text-secondary); }
pre { background: var(--surface-0); border: 1px solid var(--border); border-radius: 8px; padding: 10px; white-space: pre-wrap; word-break: break-all; font-size: 12px; }

@media (max-width: 720px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .tile .value { font-size: 22px; }
}