/* Tokens: light is the base definition; dark is redefined under both the OS media
   query and an explicit [data-theme] stamp, so the toggle wins in both directions. */
:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --plane: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --good: #006300;
  --critical: #d03b3b;
  --wash: rgba(11, 11, 11, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --plane: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --good: #0ca30c;
    --critical: #d03b3b;
    --wash: rgba(255, 255, 255, 0.06);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --plane: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --good: #0ca30c;
  --critical: #d03b3b;
  --wash: rgba(255, 255, 255, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--plane);
  color: var(--text-primary);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 24px 80px; }

/* ---------------------------------------------------------------- header */

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

h1 {
  font-size: 19px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.sub { color: var(--text-secondary); font-size: 13px; }

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 6px 10px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  min-height: 32px;
}
.theme-toggle:hover { background: var(--wash); }

/* --------------------------------------------------- filters (one row, above) */

.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  background: var(--surface-1);
}

.seg button {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  min-height: 36px;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button:hover { background: var(--wash); }
.seg button[aria-pressed="true"] {
  background: var(--text-primary);
  color: var(--surface-1);
  font-weight: 600;
}

select, .btn {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  border-radius: 9px;
  padding: 8px 12px;
  font: inherit;
  font-size: 13px;
  min-height: 36px;
  cursor: pointer;
}
select:hover, .btn:hover { background: var(--wash); }

.spacer { flex: 1; }

/* ----------------------------------------------------------------- cards */

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 18px;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

h2 { font-size: 15px; font-weight: 600; margin: 0; }
.card-sub { color: var(--text-secondary); font-size: 13px; margin: 0 0 16px; }

.linkish {
  border: 0;
  background: none;
  color: var(--text-secondary);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 4px 2px;
}
.linkish:hover { color: var(--text-primary); }

/* ------------------------------------------------------------------ hero */

.hero { display: flex; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.hero-main { min-width: 220px; }

.hero-label {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 2px;
}

.hero-value {
  font-size: 52px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  /* proportional figures: tabular-nums looks loose at display size */
}

.hero-unit { font-size: 20px; color: var(--text-secondary); font-weight: 400; }
.hero-spark { flex: 1; min-width: 200px; }

.delta { font-size: 13px; margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.delta .arrow { font-size: 11px; }
.delta.up { color: var(--good); }
.delta.down { color: var(--critical); }
.delta.flat { color: var(--text-secondary); }
.delta .vs { color: var(--text-secondary); }

/* ------------------------------------------------------------- stat tiles */

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.tile-label { color: var(--text-secondary); font-size: 13px; }
.tile-value {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 2px;
}
.tile-unit { font-size: 13px; color: var(--text-secondary); font-weight: 400; }
.tile-spark { margin-top: 10px; height: 32px; }

/* ---------------------------------------------------------------- charts */

.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart.loading { opacity: 0.45; transition: opacity .15s; }

.tick { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.baseline { stroke: var(--axis); stroke-width: 1; }
.crosshair { stroke: var(--axis); stroke-width: 1; pointer-events: none; }
.endlabel { fill: var(--text-primary); font-size: 12px; font-weight: 600; }

.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 13px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .13);
  min-width: 128px;
  z-index: 5;
  opacity: 0;
  transition: opacity .1s;
}
.tooltip.on { opacity: 1; }
.tooltip .tt-date { color: var(--text-secondary); font-size: 12px; margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-key { width: 12px; height: 2px; border-radius: 1px; flex: none; }
.tooltip .tt-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.tooltip .tt-name { color: var(--text-secondary); font-size: 12px; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0 0; }
.legend-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--text-secondary);
}
.legend-swatch { width: 12px; height: 12px; border-radius: 3px; flex: none; }

/* ---------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--grid);
  font-variant-numeric: tabular-nums;
}
tbody tr:hover { background: var(--wash); }
td.num, th.num { text-align: right; }
.scroll { overflow-x: auto; max-height: 420px; overflow-y: auto; }

/* ------------------------------------------------------------ sql console */

textarea {
  width: 100%;
  min-height: 84px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--plane);
  color: var(--text-primary);
  padding: 11px 13px;
  font: 13px/1.55 ui-monospace, "Cascadia Code", Consolas, monospace;
}
textarea:focus { outline: 2px solid var(--series-1); outline-offset: 1px; }

.btn.primary {
  background: var(--series-1);
  border-color: transparent;
  color: #fff;
  font-weight: 500;
}
.btn.primary:hover { filter: brightness(1.07); background: var(--series-1); }

.err {
  color: var(--critical);
  font-size: 13px;
  margin-top: 10px;
  display: flex;
  gap: 7px;
  align-items: flex-start;
}

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.chip {
  border: 1px solid var(--border);
  background: var(--plane);
  color: var(--text-secondary);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  min-height: 28px;
}
.chip:hover { background: var(--wash); color: var(--text-primary); }

/* ----------------------------------------------------------- empty state */

.empty { text-align: center; padding: 52px 20px; }
.empty h2 { font-size: 18px; margin-bottom: 8px; }
.empty p { color: var(--text-secondary); max-width: 560px; margin: 0 auto 18px; }
.empty pre {
  text-align: left;
  display: inline-block;
  background: var(--plane);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font: 13px/1.7 ui-monospace, "Cascadia Code", Consolas, monospace;
  color: var(--text-primary);
  overflow-x: auto;
  max-width: 100%;
}

.muted { color: var(--text-muted); }
.hidden { display: none !important; }

/* ----------------------------------------------------------- demo banner */

.banner {
  border: 1px solid var(--border);
  border-left: 3px solid var(--series-2);
  background: var(--surface-1);
  border-radius: 10px;
  padding: 11px 15px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--text-secondary);
}
.banner strong { color: var(--text-primary); }
.banner code {
  background: var(--plane);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  font: 12px ui-monospace, "Cascadia Code", Consolas, monospace;
}