/* =============================================================================
   FuturePath Telemetry Viewer — design system
   Direction: Swiss / International analytics console. Crisp neutral zinc surface,
   a single indigo accent, strong type-scale hierarchy, disciplined spacing.
   Light by default; [data-theme="dark"] is an intentional, equal-weight dark
   counterpart (no pure black, no template gradients).
   ========================================================================== */

:root {
  /* ---- Neutral ramp (zinc) ---------------------------------------------- */
  --zinc-50:  oklch(98.4% 0.001 286);
  --zinc-100: oklch(96.7% 0.001 286);
  --zinc-150: oklch(94.6% 0.002 286);
  --zinc-200: oklch(92.0% 0.004 286);
  --zinc-300: oklch(87.1% 0.006 286);
  --zinc-400: oklch(70.5% 0.011 286);
  --zinc-500: oklch(55.2% 0.014 286);
  --zinc-600: oklch(44.2% 0.013 286);
  --zinc-700: oklch(37.0% 0.012 286);
  --zinc-800: oklch(27.4% 0.012 286);
  --zinc-900: oklch(21.0% 0.011 286);
  --zinc-950: oklch(16.5% 0.011 286);

  /* ---- Accent (indigo) + semantic ramp ---------------------------------- */
  --accent:        oklch(54% 0.20 268);
  --accent-strong: oklch(48% 0.21 268);
  --accent-soft:   oklch(95% 0.03 268);
  --accent-ring:   oklch(54% 0.20 268 / 0.32);

  --success: oklch(58% 0.15 152);
  --warn:    oklch(70% 0.16 70);
  --danger:  oklch(57% 0.21 27);
  --danger-soft: oklch(95% 0.03 27);
  --info:    oklch(60% 0.13 235);

  /* ---- Semantic surface tokens (light) ---------------------------------- */
  --bg:          var(--zinc-100);
  --bg-subtle:   var(--zinc-150);
  --surface:     #ffffff;
  --surface-2:   var(--zinc-50);
  --surface-3:   var(--zinc-100);
  --line:        var(--zinc-200);
  --line-strong: var(--zinc-300);

  --text:        var(--zinc-900);
  --text-dim:    var(--zinc-600);
  --text-faint:  var(--zinc-500);
  --on-accent:   var(--zinc-50);

  /* ---- Type scale (1.25 minor third, fluid top end) --------------------- */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
  --text-xs:   0.75rem;
  --text-sm:   0.8125rem;
  --text-base: 0.9375rem;
  --text-md:   1.0625rem;
  --text-lg:   1.375rem;
  --text-xl:   clamp(1.6rem, 1.2rem + 1.4vw, 2.1rem);
  --text-stat: clamp(1.6rem, 1.3rem + 0.9vw, 2rem);

  /* ---- Spacing rhythm (4px base) ---------------------------------------- */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --gutter: clamp(1rem, 0.6rem + 1.4vw, 2rem);
  --maxw: 1380px;

  /* ---- Radius / shadow / motion ----------------------------------------- */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --r-pill: 999px;

  --shadow-xs: 0 1px 2px oklch(0% 0 0 / 0.04);
  --shadow-sm: 0 1px 2px oklch(0% 0 0 / 0.05), 0 1px 3px oklch(0% 0 0 / 0.04);
  --shadow-md: 0 2px 4px oklch(0% 0 0 / 0.04), 0 6px 16px oklch(0% 0 0 / 0.07);
  --shadow-pop: 0 8px 28px oklch(0% 0 0 / 0.14);

  --dur-fast: 120ms;
  --dur: 200ms;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);

  color-scheme: light;
}

[data-theme="dark"] {
  --bg:          var(--zinc-950);
  --bg-subtle:   oklch(14% 0.011 286);
  --surface:     var(--zinc-900);
  --surface-2:   oklch(23% 0.012 286);
  --surface-3:   var(--zinc-800);
  --line:        oklch(31% 0.012 286);
  --line-strong: oklch(38% 0.013 286);

  --text:        var(--zinc-100);
  --text-dim:    var(--zinc-400);
  --text-faint:  var(--zinc-500);
  --on-accent:   var(--zinc-50);

  --accent:        oklch(70% 0.16 268);
  --accent-strong: oklch(76% 0.15 268);
  --accent-soft:   oklch(34% 0.08 268);
  --accent-ring:   oklch(70% 0.16 268 / 0.40);

  --success: oklch(72% 0.15 152);
  --warn:    oklch(78% 0.15 70);
  --danger:  oklch(70% 0.18 27);
  --danger-soft: oklch(33% 0.09 27);
  --info:    oklch(72% 0.12 235);

  --shadow-xs: 0 1px 2px oklch(0% 0 0 / 0.3);
  --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.4);
  --shadow-md: 0 2px 6px oklch(0% 0 0 / 0.45), 0 8px 22px oklch(0% 0 0 / 0.4);
  --shadow-pop: 0 10px 34px oklch(0% 0 0 / 0.6);

  color-scheme: dark;
}

/* =============================================================================
   Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

/* The hidden attribute must win over component display rules (e.g. .empty sets
   display:flex, which would otherwise keep a [hidden] empty-state visible). */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.02em; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--text-faint); }
.tnum { font-variant-numeric: tabular-nums; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* =============================================================================
   Top bar
   ========================================================================== */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: var(--s-4);
  padding: 0 var(--gutter); height: 56px;
  background: color-mix(in oklch, var(--surface) 86%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: var(--s-3); font-weight: 600; letter-spacing: -0.02em; }
.brand .mark {
  width: 26px; height: 26px; border-radius: 7px;
  display: grid; place-items: center; flex: none;
  background: linear-gradient(150deg, var(--accent), var(--accent-strong));
  color: var(--on-accent); font-weight: 700; font-size: 0.8rem;
  box-shadow: var(--shadow-sm);
}
.brand .name { font-size: var(--text-base); }
.brand .sub {
  color: var(--text-faint); font-weight: 500; font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: 0.1em;
  padding-left: var(--s-3); margin-left: var(--s-1);
  border-left: 1px solid var(--line);
}
.topbar-spacer { margin-left: auto; }
.topbar-right { display: flex; align-items: center; gap: var(--s-4); }
.topbar .who { color: var(--text-dim); font-size: var(--text-sm); }
.topbar .who a { color: var(--text-dim); font-weight: 500; }

.badge-ro {
  font-size: 0.66rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--success);
  background: color-mix(in oklch, var(--success) 12%, transparent);
  border: 1px solid color-mix(in oklch, var(--success) 30%, transparent);
  padding: 0.22rem 0.55rem; border-radius: var(--r-pill);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.badge-ro::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }

/* Theme toggle */
.theme-toggle {
  appearance: none; cursor: pointer;
  width: 34px; height: 34px; border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--surface-2); color: var(--text-dim);
  border: 1px solid var(--line);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.theme-toggle:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-3); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* =============================================================================
   Layout
   ========================================================================== */
main { max-width: var(--maxw); margin: 0 auto; padding: var(--s-6) var(--gutter) var(--s-7); }

.page-head { margin-bottom: var(--s-5); }
.eyebrow {
  font-size: var(--text-xs); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--accent); margin-bottom: var(--s-2);
}
.page-head h1 { font-size: var(--text-xl); }
.page-head .subtitle { color: var(--text-dim); margin-top: var(--s-2); font-size: var(--text-base); max-width: 60ch; }

/* Tenant header card */
.tenant-head {
  display: flex; flex-wrap: wrap; align-items: flex-start; gap: var(--s-5);
  padding: var(--s-5); margin-bottom: var(--s-5);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--shadow-xs);
}
.tenant-head .identity { min-width: 0; flex: 1 1 auto; }
.tenant-head h1 { font-size: var(--text-xl); display: flex; align-items: center; gap: var(--s-3); }
.tenant-head .tid {
  font-family: var(--mono); font-size: var(--text-sm); color: var(--text-faint);
  margin-top: var(--s-2); word-break: break-all;
}
.head-stats { display: flex; flex-wrap: wrap; gap: var(--s-5); }
.head-stat { display: flex; flex-direction: column; gap: 2px; }
.head-stat .hs-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); }
.head-stat .hs-value { font-size: var(--text-md); font-weight: 600; font-variant-numeric: tabular-nums; }
.head-stat .hs-value.live { color: var(--success); }

/* =============================================================================
   KPI strip
   ========================================================================== */
.kpi-strip {
  display: grid; gap: var(--s-3); margin-bottom: var(--s-6);
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.kpi {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--s-4) var(--s-4) calc(var(--s-4) + 2px);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.kpi:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.kpi::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent); opacity: 0; transition: opacity var(--dur) var(--ease);
}
.kpi:hover::after { opacity: 1; }
.kpi.accent::after { opacity: 1; }
.kpi.danger::after { background: var(--danger); opacity: 1; }
.kpi .kpi-label {
  font-size: var(--text-xs); font-weight: 500; color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.06em;
  display: flex; align-items: center; gap: var(--s-2);
}
.kpi .kpi-value {
  font-size: var(--text-stat); font-weight: 650; letter-spacing: -0.03em;
  margin-top: var(--s-2); font-variant-numeric: tabular-nums; line-height: 1.1;
}
.kpi.danger .kpi-value { color: var(--danger); }
.kpi .kpi-value.empty { color: var(--text-faint); font-weight: 500; }
.kpi .kpi-sub { font-size: var(--text-xs); color: var(--text-faint); margin-top: var(--s-1); font-family: var(--mono); }

/* =============================================================================
   Sticky control / filter bar
   ========================================================================== */
.controls {
  position: sticky; top: 56px; z-index: 30;
  background: color-mix(in oklch, var(--bg) 90%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--s-3) var(--s-4); margin-bottom: var(--s-6);
  box-shadow: var(--shadow-xs);
}
.controls-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.controls-row + .controls-row { margin-top: var(--s-3); padding-top: var(--s-3); border-top: 1px dashed var(--line); }
.control-group { display: flex; align-items: center; gap: var(--s-2); }
.control-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); font-weight: 600; }

/* Segmented control (presets, scope, view) */
.segmented {
  display: inline-flex; background: var(--surface-3); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 2px;
}
.segmented button {
  appearance: none; cursor: pointer; border: none; background: transparent;
  color: var(--text-dim); font: inherit; font-size: var(--text-sm); font-weight: 500;
  padding: 0.32rem 0.7rem; border-radius: calc(var(--r-sm) - 2px);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-pressed="true"], .segmented button.active {
  background: var(--surface); color: var(--text); box-shadow: var(--shadow-xs);
  font-weight: 600;
}
[data-theme="dark"] .segmented button[aria-pressed="true"],
[data-theme="dark"] .segmented button.active { background: var(--surface-2); }

/* Search box */
.search {
  display: flex; align-items: center; gap: var(--s-2); flex: 1 1 240px; min-width: 200px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 0 var(--s-3); height: 34px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.search svg { width: 15px; height: 15px; color: var(--text-faint); flex: none; }
.search input { border: none; background: transparent; flex: 1; font: inherit; font-size: var(--text-sm); color: var(--text); padding: 0; }
.search input:focus { outline: none; }
.search input::placeholder { color: var(--text-faint); }

/* Inputs / selects */
input[type="datetime-local"], input[type="text"], input[type="email"],
input[type="password"], select {
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  border-radius: var(--r-sm); padding: 0.4rem 0.6rem; height: 34px;
  font: inherit; font-size: var(--text-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
select { cursor: pointer; padding-right: 1.8rem; }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.field { display: flex; flex-direction: column; gap: var(--s-1); }
.field label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); font-weight: 600; }

/* Buttons */
.btn {
  appearance: none; cursor: pointer; font: inherit; font-size: var(--text-sm); font-weight: 600;
  background: var(--accent); color: var(--on-accent); border: 1px solid transparent;
  border-radius: var(--r-sm); padding: 0 0.95rem; height: 34px; display: inline-flex; align-items: center; gap: var(--s-2);
  transition: background var(--dur) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:hover { background: var(--accent-strong); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--text-dim); border-color: var(--line); }
.btn.ghost:hover { background: var(--surface-3); color: var(--text); box-shadow: none; }
.btn.sm { height: 30px; font-size: var(--text-xs); padding: 0 0.7rem; }

/* Group filter chips */
.chips { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.chip {
  appearance: none; cursor: pointer; font: inherit; font-size: var(--text-xs); font-weight: 500;
  background: var(--surface-3); color: var(--text-dim);
  border: 1px solid var(--line); border-radius: var(--r-pill);
  padding: 0.26rem 0.7rem; display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all var(--dur-fast) var(--ease);
}
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip[aria-pressed="true"] {
  background: var(--accent-soft); color: var(--accent-strong);
  border-color: color-mix(in oklch, var(--accent) 40%, transparent);
}
.chip .chip-count {
  font-family: var(--mono); font-size: 0.66rem;
  background: color-mix(in oklch, var(--text-faint) 16%, transparent);
  color: var(--text-faint); border-radius: var(--r-pill); padding: 0.05rem 0.4rem;
}
.chip[aria-pressed="true"] .chip-count { background: color-mix(in oklch, var(--accent) 18%, transparent); color: var(--accent-strong); }
.chip.danger[aria-pressed="true"] { background: var(--danger-soft); color: var(--danger); border-color: color-mix(in oklch, var(--danger) 40%, transparent); }

/* Toggle (failures only) */
.toggle { display: inline-flex; align-items: center; gap: var(--s-2); cursor: pointer; font-size: var(--text-sm); color: var(--text-dim); user-select: none; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle .track {
  width: 34px; height: 19px; border-radius: var(--r-pill);
  background: var(--surface-3); border: 1px solid var(--line); position: relative;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.toggle .track::after {
  content: ""; position: absolute; top: 1px; left: 1px; width: 15px; height: 15px;
  border-radius: 50%; background: var(--text-faint); transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.toggle input:checked + .track { background: color-mix(in oklch, var(--danger) 22%, transparent); border-color: color-mix(in oklch, var(--danger) 45%, transparent); }
.toggle input:checked + .track::after { transform: translateX(15px); background: var(--danger); }
.toggle input:focus-visible + .track { box-shadow: 0 0 0 3px var(--accent-ring); }

.filter-summary { font-size: var(--text-xs); color: var(--text-faint); margin-left: auto; font-variant-numeric: tabular-nums; }

/* =============================================================================
   Body: group nav + sections
   ========================================================================== */
.body-grid { display: grid; grid-template-columns: 180px 1fr; gap: var(--s-6); align-items: start; }
@media (max-width: 900px) { .body-grid { grid-template-columns: 1fr; } .group-nav { display: none; } }

.group-nav { position: sticky; top: 168px; align-self: start; }
.group-nav .nav-title { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-faint); font-weight: 600; margin-bottom: var(--s-3); padding-left: var(--s-2); }
.group-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.group-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-2);
  padding: 0.4rem var(--s-2); border-radius: var(--r-sm);
  color: var(--text-dim); font-size: var(--text-sm); font-weight: 500;
  border-left: 2px solid transparent;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.group-nav a:hover { background: var(--surface-3); color: var(--text); }
.group-nav a.active { color: var(--accent-strong); border-left-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.group-nav a .gn-count { font-family: var(--mono); font-size: 0.66rem; color: var(--text-faint); }
.group-nav a.is-failure .gn-dot { background: var(--danger); }
.group-nav a .gn-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; margin-right: 2px; }

.groups-col { min-width: 0; }

/* Section card */
.group {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); margin-bottom: var(--s-5); overflow: hidden;
  box-shadow: var(--shadow-xs); scroll-margin-top: 176px;
}
.group-header {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-4) var(--s-5); cursor: pointer; user-select: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.group[open] .group-header { border-bottom-color: var(--line); }
.group-header:hover { background: var(--surface-2); }
.group-header h2 { font-size: var(--text-md); display: flex; align-items: center; gap: var(--s-3); flex: 1; }
.group-header .g-dot { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); flex: none; }
.group.failure .group-header .g-dot { background: var(--danger); }
.group-header .g-count {
  font-family: var(--mono); font-size: var(--text-xs); color: var(--text-faint);
  background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--r-pill);
  padding: 0.1rem 0.5rem;
}
.group-header .g-chev { color: var(--text-faint); transition: transform var(--dur) var(--ease); }
.group:not([open]) .group-header .g-chev { transform: rotate(-90deg); }
.group-header summary-marker { display: none; }
/* hide native disclosure marker */
.group-header::-webkit-details-marker { display: none; }
details.group > summary { list-style: none; }
details.group > summary::-webkit-details-marker { display: none; }
.group-body { padding: var(--s-5); }

/* Metric table */
.metric-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.metric-table thead th {
  text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-faint); font-weight: 600; padding: 0 0.6rem var(--s-2);
  border-bottom: 1px solid var(--line); cursor: pointer; white-space: nowrap;
}
.metric-table thead th:hover { color: var(--text); }
.metric-table thead th.num { text-align: right; }
.metric-table thead th .sort-ind { color: var(--accent); margin-left: 3px; }
.metric-table tbody td { padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.metric-table tbody tr:last-child td { border-bottom: none; }
.metric-table tbody tr:hover td { background: var(--surface-2); }
.metric-table td.label { font-weight: 500; color: var(--text); }
.metric-table td.label .raw-key { display: block; font-family: var(--mono); font-size: 0.7rem; color: var(--text-faint); font-weight: 400; margin-top: 1px; overflow-wrap: anywhere; }
.metric-table td.value { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.metric-table td.unit { color: var(--text-faint); font-size: var(--text-xs); width: 1%; white-space: nowrap; }
.metric-table td.scope { width: 1%; white-space: nowrap; }
.metric-table tr.is-failure td.value { color: var(--danger); }

.tag {
  display: inline-block; font-size: 0.66rem; font-weight: 600; letter-spacing: 0.03em;
  padding: 0.1rem 0.45rem; border-radius: var(--r-sm); text-transform: uppercase;
  background: var(--surface-3); color: var(--text-faint); border: 1px solid var(--line);
}
.tag.app { color: var(--info); border-color: color-mix(in oklch, var(--info) 35%, transparent); background: color-mix(in oklch, var(--info) 10%, transparent); }

/* Stat-grid view (card density) */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: var(--s-3); }
.stat-cell {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--s-3) var(--s-4);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.stat-cell:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.stat-cell .sc-label { font-size: var(--text-xs); color: var(--text-faint); font-weight: 500; }
.stat-cell .sc-value { font-size: var(--text-lg); font-weight: 650; letter-spacing: -0.02em; margin-top: var(--s-1); font-variant-numeric: tabular-nums; }
.stat-cell .sc-meta { font-size: 0.7rem; color: var(--text-faint); font-family: var(--mono); margin-top: 2px; }
.stat-cell.is-failure .sc-value { color: var(--danger); }

/* Distributions */
.dist-wrap { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--s-4); margin-top: var(--s-5); }
.dist-wrap:first-child { margin-top: 0; }
.dist-card { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s-4); }
.dist-card h3 { font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--s-1); }
.dist-card .dist-key { font-family: var(--mono); font-size: 0.7rem; color: var(--text-faint); margin-bottom: var(--s-3); }
.dist-card canvas { max-height: 220px; }
.dist-card .dist-fallback table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.dist-card .dist-fallback th, .dist-card .dist-fallback td { padding: 0.3rem 0.4rem; border-bottom: 1px solid var(--line); text-align: left; }
.dist-card .dist-fallback td.num { text-align: right; font-family: var(--mono); }
.subhead { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); font-weight: 600; margin: var(--s-5) 0 var(--s-3); }
.subhead:first-child { margin-top: 0; }

/* Environment / scalar-metadata list */
.meta-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--s-3); margin: 0; }
.meta-item { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s-3) var(--s-4); }
.meta-item dt { font-size: var(--text-xs); color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.meta-item dd { margin: var(--s-1) 0 0; font-size: var(--text-base); font-weight: 600; font-family: var(--mono); word-break: break-word; }

/* Tenant switcher in header */
.tenant-switch {
  height: 32px; font-size: var(--text-base); font-weight: 500; max-width: 240px;
  background: var(--surface-2); border-color: var(--line);
}

/* ---- Cards view: render metric-table rows as a responsive stat grid ----- */
.view-cards .metric-table thead { display: none; }
.view-cards .metric-table,
.view-cards .metric-table tbody { display: block; }
.view-cards .metric-table tbody {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: var(--s-3);
}
.view-cards .metric-table tbody tr {
  display: flex; flex-direction: column; gap: 2px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--s-3) var(--s-4);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.view-cards .metric-table tbody tr:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.view-cards .metric-table tbody tr:hover td { background: transparent; }
.view-cards .metric-table td { display: block; border: none; padding: 0; }
.view-cards .metric-table td.label { order: 1; font-size: var(--text-xs); color: var(--text-faint); font-weight: 500; }
.view-cards .metric-table td.label .raw-key { display: none; }
.view-cards .metric-table td.value { order: 2; text-align: left; font-size: var(--text-lg); font-weight: 650; letter-spacing: -0.02em; }
.view-cards .metric-table td.unit { order: 3; }
.view-cards .metric-table td.unit:empty { display: none; }
.view-cards .metric-table td.scope { order: 4; margin-top: 2px; }

/* =============================================================================
   Overview table
   ========================================================================== */
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs); overflow: hidden;
}
.panel-head { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--line); }
.panel-head h2 { font-size: var(--text-md); flex: 1; }

/* Horizontal-scroll container for wide data tables: the table scrolls inside
   its own box so a wide table never makes the page body scroll horizontally.
   The table keeps its natural width (header + body stay aligned). */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap > table { min-width: max-content; }
/* Per-group metric tables FILL the card and wrap the metric name — they must NOT
   grow to max-content (that ballooned the Metric column and pushed Value/Unit/
   Scope off-screen). Only genuinely wide multi-column tables (the overview) keep
   the max-content scroll behaviour above. */
.table-wrap > .metric-table { min-width: 100%; table-layout: auto; }
.metric-table td.label { overflow-wrap: anywhere; }
/* In cards view the metric "table" is re-laid-out as a responsive grid, so it
   must NOT keep an intrinsic table min-width (that would re-introduce overflow). */
.view-cards .table-wrap > table { min-width: 0; }

.data-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.data-table thead th {
  text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-faint); font-weight: 600; padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--line); cursor: pointer; white-space: nowrap; background: var(--surface-2);
}
.data-table thead th:hover { color: var(--text); }
.data-table thead th.num { text-align: right; }
.data-table thead th .sort-ind { color: var(--accent); margin-left: 3px; }
.data-table tbody td { padding: var(--s-3) var(--s-5); border-bottom: 1px solid var(--line); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { cursor: pointer; transition: background var(--dur-fast) var(--ease); }
.data-table tbody tr:hover td { background: var(--surface-2); }
.data-table td.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.data-table td.danger { color: var(--danger); }
.data-table .tenant-cell { font-weight: 600; }
.data-table .tenant-cell .tid { display: block; font-family: var(--mono); font-size: 0.7rem; color: var(--text-faint); font-weight: 400; margin-top: 1px; }
.status-pill { display: inline-flex; align-items: center; gap: 0.4rem; font-size: var(--text-xs); font-weight: 600; color: var(--success); }
.status-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.status-pill.warn { color: var(--warn); }
.status-pill.warn::before { background: var(--warn); }

/* =============================================================================
   States: empty / skeleton / error
   ========================================================================== */
.empty {
  display: flex; flex-direction: column; align-items: center; gap: var(--s-3);
  padding: var(--s-7) var(--s-5); text-align: center; color: var(--text-faint);
  background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--r-lg);
}
.empty svg { width: 30px; height: 30px; color: var(--text-faint); opacity: 0.6; }
.empty .empty-title { font-size: var(--text-md); font-weight: 600; color: var(--text-dim); }
.empty .empty-hint { font-size: var(--text-sm); max-width: 42ch; }

.skeleton { background: linear-gradient(90deg, var(--surface-3) 25%, var(--surface-2) 50%, var(--surface-3) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--r-sm); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.is-loading { opacity: 0.55; pointer-events: none; }

.toast {
  position: fixed; bottom: var(--s-5); left: 50%;
  transform: translateX(-50%) translateY(160%);
  visibility: hidden; opacity: 0; pointer-events: none;
  background: var(--danger); color: #fff; padding: 0.7rem 1.1rem; border-radius: var(--r);
  box-shadow: var(--shadow-pop); font-size: var(--text-sm); font-weight: 500; z-index: 100;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), visibility var(--dur);
  max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); visibility: visible; opacity: 1; pointer-events: auto; }

/* =============================================================================
   Login
   ========================================================================== */
.login-wrap { min-height: 100dvh; display: grid; place-items: center; padding: var(--s-6);
  background:
    radial-gradient(60rem 30rem at 80% -10%, var(--accent-soft), transparent 65%),
    var(--bg); }
.login-card {
  width: min(400px, 100%); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s-6);
  box-shadow: var(--shadow-md);
}
.login-card .brand { margin-bottom: var(--s-5); }
.login-card h1 { font-size: var(--text-lg); }
.login-card .lead { color: var(--text-dim); font-size: var(--text-sm); margin-top: var(--s-2); }
.login-card .field { margin-bottom: var(--s-4); }
.login-card .field:first-of-type { margin-top: var(--s-5); }
.login-card input { width: 100%; height: 38px; }
.login-card .btn { width: 100%; height: 40px; justify-content: center; margin-top: var(--s-2); }
.login-card .note { color: var(--text-faint); font-size: var(--text-xs); margin-top: var(--s-5); line-height: 1.5; }
.error {
  background: var(--danger-soft); border: 1px solid color-mix(in oklch, var(--danger) 40%, transparent);
  color: var(--danger); padding: 0.6rem 0.8rem; border-radius: var(--r-sm);
  font-size: var(--text-sm); margin-bottom: var(--s-4);
}

/* =============================================================================
   Telemetry enrichments: sparklines, deltas, info affordances, health, freshness
   ========================================================================== */

/* ---- Sparkline (inline SVG) ------------------------------------------- */
.spark-wrap { display: inline-flex; align-items: center; vertical-align: middle; margin-left: var(--s-2); }
.spark { display: block; overflow: visible; color: var(--text-faint); }
.spark.spark-up   { color: var(--success); }
.spark.spark-down { color: var(--danger); }
.spark.spark-flat { color: var(--text-faint); }
/* In the metric table, sparklines sit next to a right-aligned value. */
.metric-table td.value { display: flex; align-items: center; justify-content: flex-end; gap: var(--s-1); flex-wrap: wrap; }
.view-cards .metric-table td.value { justify-content: flex-start; }

/* ---- Period-over-period delta chip ----------------------------------- */
.delta {
  display: inline-flex; align-items: center; gap: 0.15rem;
  font-family: var(--mono); font-size: 0.68rem; font-weight: 600;
  font-variant-numeric: tabular-nums; line-height: 1;
  padding: 0.12rem 0.36rem; border-radius: var(--r-pill);
  white-space: nowrap;
}
.delta .delta-arrow { font-size: 0.62rem; }
.delta-pos { color: var(--success); background: color-mix(in oklch, var(--success) 13%, transparent); }
.delta-neg { color: var(--danger);  background: color-mix(in oklch, var(--danger) 13%, transparent); }
.delta-flat { color: var(--text-faint); background: color-mix(in oklch, var(--text-faint) 12%, transparent); }
/* KPI tile delta sits above the sub-label. */
.kpi .delta { margin-top: var(--s-2); align-self: flex-start; }

/* ---- Info affordance (description tooltip) ---------------------------- */
.info-dot {
  display: inline-grid; place-items: center; cursor: help;
  width: 13px; height: 13px; margin-left: 0.35rem; flex: none;
  font-family: var(--font); font-size: 0.6rem; font-weight: 700; font-style: italic;
  color: var(--text-faint); background: var(--surface-3);
  border: 1px solid var(--line); border-radius: 50%;
  line-height: 1; vertical-align: middle;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.info-dot:hover, .info-dot:focus-visible { color: var(--accent); border-color: var(--accent); }
.kpi-label .info-dot { width: 12px; height: 12px; }

/* ---- Health badge (RAG) ---------------------------------------------- */
.health {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: var(--text-xs); font-weight: 600; white-space: nowrap;
}
.health .health-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.health-green { color: var(--success); }
.health-green .health-dot { background: var(--success); }
.health-amber { color: var(--warn); }
.health-amber .health-dot { background: var(--warn); }
.health-red { color: var(--danger); }
.health-red .health-dot { background: var(--danger); }

/* ---- Tenant freshness header stat ------------------------------------ */
.freshness { display: inline-flex; align-items: center; gap: var(--s-2); }
.freshness .fresh-rel { font-size: var(--text-md); font-weight: 600; }
.freshness.is-stale .fresh-rel { color: var(--warn); }
.stale-badge {
  font-size: 0.66rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--warn); background: color-mix(in oklch, var(--warn) 14%, transparent);
  border: 1px solid color-mix(in oklch, var(--warn) 40%, transparent);
  padding: 0.12rem 0.45rem; border-radius: var(--r-pill);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}