/* Layout: a quiet report grid. Summary tiles first, then paired chart cards per topic.
   Palette: cool-biased neutrals, blue accent (series 1), orange for the second series. */
:root {
  color-scheme: light;
  --page: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --ink: #111417;
  --ink-2: #4b535c;
  --ink-3: #7c858f;
  --hairline: #e3e7ec;
  --axis: #c7ced6;
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-1-soft: rgba(42, 120, 214, 0.14);
  --good: #0ca30c;
  --good-ink: #006300;
  --muted-fill: #cfd6de;
  --seq-100: #cde2fb;
  --seq-700: #0d366b;
  --shadow: 0 1px 2px rgba(17, 20, 23, 0.05);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0f1114;
    --surface: #181b1f;
    --surface-2: #22262c;
    --ink: #eef0f2;
    --ink-2: #b9c0c8;
    --ink-3: #848c96;
    --hairline: #2a2f36;
    --axis: #3a4049;
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-1-soft: rgba(57, 135, 229, 0.18);
    --good: #0ca30c;
    --good-ink: #0ca30c;
    --muted-fill: #3a4049;
    --seq-100: #184f95;
    --seq-700: #cde2fb;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0f1114;
  --surface: #181b1f;
  --surface-2: #22262c;
  --ink: #eef0f2;
  --ink-2: #b9c0c8;
  --ink-3: #848c96;
  --hairline: #2a2f36;
  --axis: #3a4049;
  --accent: #3987e5;
  --accent-ink: #86b6ef;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-1-soft: rgba(57, 135, 229, 0.18);
  --good: #0ca30c;
  --good-ink: #0ca30c;
  --muted-fill: #3a4049;
  --seq-100: #184f95;
  --seq-700: #cde2fb;
  --shadow: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--page);
}
h1, h2, h3 { margin: 0; text-wrap: balance; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; line-height: 1.2; }
h2 { font-size: 1.15rem; }
p { margin: 0; }
button { font: inherit; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding-block: 28px 24px;
}
.eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 6px;
}
.sub { color: var(--ink-2); margin-top: 6px; }
.btn {
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
.btn:hover { color: var(--ink); border-color: var(--axis); }
.btn:focus-visible, .chip:focus-visible, th[data-sort]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

main.wrap { padding-block: 24px 48px; display: grid; gap: 40px; }

/* KPI tiles */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.kpi-label { font-size: 0.78rem; color: var(--ink-2); }
.kpi-value { font-size: 1.55rem; font-weight: 600; line-height: 1.2; margin-top: 4px; letter-spacing: -0.01em; }
.kpi-note { font-size: 0.75rem; color: var(--ink-3); margin-top: 4px; }
.kpi-note.good { color: var(--good-ink); }

/* Sections */
.section { display: grid; gap: 16px; }
.section-head { max-width: 68ch; display: grid; gap: 4px; }
.section-head p { color: var(--ink-2); }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-span { grid-column: 1 / -1; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 16px;
  margin: 0;
  box-shadow: var(--shadow);
  min-width: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}
figcaption, .card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
}
.card-title { font-weight: 600; }
.card-unit { font-size: 0.78rem; color: var(--ink-3); }

.chart { position: relative; height: 240px; width: 100%; }
.chart-tall { height: 260px; }
.chart-list { height: 400px; }
.chart canvas { max-width: 100%; }

/* Filters */
.filters { display: flex; gap: 6px; }
.chip {
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 0.78rem;
  cursor: pointer;
}
.chip:hover { border-color: var(--axis); color: var(--ink); }
.chip.is-active { background: var(--series-1-soft); border-color: transparent; color: var(--accent-ink); font-weight: 600; }

/* Tables */
.table-scroll { overflow-x: auto; max-height: 440px; overflow-y: auto; border-top: 1px solid var(--hairline); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th, .data-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--hairline); white-space: nowrap; }
.data-table th {
  position: sticky; top: 0;
  background: var(--surface);
  font-weight: 600; color: var(--ink-2); font-size: 0.74rem;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.data-table th[data-sort] { cursor: pointer; user-select: none; }
.data-table th[data-sort]:hover { color: var(--ink); }
.data-table th[aria-sort]::after { content: " ↓"; color: var(--accent-ink); }
.data-table th[aria-sort="ascending"]::after { content: " ↑"; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table td.name { white-space: normal; min-width: 180px; }
.data-table tbody tr:hover { background: var(--surface-2); }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.74rem; font-weight: 500;
  padding: 2px 8px; border-radius: 999px;
  background: var(--surface-2); color: var(--ink-2);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.pill.enabled { color: var(--good-ink); background: color-mix(in srgb, var(--good) 14%, transparent); }
.pill.enabled::before { background: var(--good); }
.pill.removed::before { background: var(--series-2); }

/* Share lists (network, device) */
.share-list { display: grid; gap: 14px; }
.share-row { display: grid; gap: 6px; }
.share-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.share-name { font-weight: 500; }
.share-meta { font-size: 0.78rem; color: var(--ink-2); font-variant-numeric: tabular-nums; text-align: right; }
.share-bars { display: grid; gap: 3px; }
.share-bar { display: grid; grid-template-columns: 44px 1fr 56px; align-items: center; gap: 8px; font-size: 0.74rem; color: var(--ink-3); }
.share-track { height: 8px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.share-fill { height: 100%; border-radius: 4px; background: var(--series-1); }
.share-fill.clicks { background: var(--series-2); }
.share-pct { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.share-legend { display: flex; gap: 14px; font-size: 0.76rem; color: var(--ink-2); }
.share-legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; background: var(--series-1); }
.share-legend span.clicks::before { background: var(--series-2); }

/* Heatmap */
.heatmap-scroll { overflow-x: auto; }
.heatmap {
  display: grid;
  grid-template-columns: 40px repeat(24, minmax(22px, 1fr));
  gap: 2px;
  min-width: 640px;
  font-size: 0.7rem;
  color: var(--ink-3);
}
.hm-label { display: flex; align-items: center; justify-content: flex-end; padding-right: 6px; font-variant-numeric: tabular-nums; }
.hm-hour { text-align: center; padding-bottom: 2px; }
.hm-cell { aspect-ratio: 1.4; border-radius: 3px; background: var(--surface-2); position: relative; }
.hm-cell:hover, .hm-cell:focus-visible { outline: 2px solid var(--ink); outline-offset: -1px; z-index: 1; }
.hm-scale { display: flex; align-items: center; gap: 8px; font-size: 0.74rem; color: var(--ink-3); }
.hm-scale-bar { width: 120px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--seq-100), var(--seq-700)); }

/* Tooltip (shared by heatmap) */
.tip {
  position: fixed; z-index: 20; pointer-events: none;
  background: var(--ink); color: var(--page);
  font-size: 0.76rem; padding: 6px 9px; border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  max-width: 240px;
}
.tip[hidden] { display: none; }

/* Notes */
.note-list { margin: 0; padding-left: 18px; display: grid; gap: 8px; color: var(--ink-2); max-width: 72ch; }
.note-list strong { color: var(--ink); font-weight: 600; }

.site-footer { border-top: 1px solid var(--hairline); padding-block: 20px; color: var(--ink-3); font-size: 0.78rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }