/* Bagging admin. Brand accent from the app (#E85D00) for controls only; chart
   series use the validated categorical palette (dataviz reference instance),
   status colors carry state and always ship with a label. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --card: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #6b6a65;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --hover: rgba(11, 11, 11, 0.04);
  --accent: #e85d00;
  --accent-ink: #b84a00;
  --accent-wash: #fff1ec;
  /* Filled buttons: white text at 5.2:1 in both modes. */
  --primary: #b84a00;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --up: #006300;
  --down: #d03b3b;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --neutral: #9b9a94;
  --seq-100: #cde2fb;
  --seq-200: #9ec5f4;
  --seq-300: #6da7ec;
  --seq-400: #3987e5;
  --seq-500: #256abf;
  --seq-600: #184f95;
  --seq-700: #0d366b;
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --card: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --ink-3: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --hover: rgba(255, 255, 255, 0.06);
    --accent: #ff7a1f;
    --accent-ink: #ff9a52;
    --accent-wash: #2a1a10;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --up: #0ca30c;
    --down: #e66767;
    --neutral: #6f6e69;
    /* Sequential ramp flipped: low values sit near the dark surface, high ones glow. */
    --seq-100: #0d366b;
    --seq-200: #184f95;
    --seq-300: #256abf;
    --seq-400: #3987e5;
    --seq-500: #6da7ec;
    --seq-600: #9ec5f4;
    --seq-700: #cde2fb;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 15px; }
.muted { color: var(--ink-3); }
.secondary { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Buttons */
.btn {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn:focus-visible, a:focus-visible, input:focus-visible, .seg button:focus-visible, .chart:focus-visible,
th button:focus-visible, .chip-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Sign-in */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(360px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: grid;
  gap: 10px;
}
.login-card label { font-weight: 600; margin-top: 8px; }
.login-card input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface);
}
.login-card .btn.primary { padding: 10px 12px; margin-top: 6px; }
.error { color: var(--down); margin: 0; min-height: 1.4em; }

.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); display: grid; place-items: center; }
.brand-mark svg { width: 14px; height: 14px; }

/* Shell */
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.tabs { display: flex; gap: 4px; }
.tabs a { color: var(--ink-2); padding: 6px 10px; border-radius: 8px; font-weight: 500; }
.tabs a:hover { background: var(--hover); text-decoration: none; }
.tabs a[aria-current="page"] { color: var(--accent-ink); background: var(--accent-wash); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

main { padding: 16px 24px 48px; max-width: 1280px; margin: 0 auto; }
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin: 4px 0 16px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--card); }
.seg button { border: 0; background: transparent; padding: 6px 12px; cursor: pointer; color: var(--ink-2); white-space: nowrap; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed="true"] { background: var(--accent-wash); color: var(--accent-ink); font-weight: 600; }
.check { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); cursor: pointer; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.loading { opacity: 0.55; transition: opacity 0.15s; }

/* Cards & grid */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid .wide { grid-column: 1 / -1; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-width: 0;
}
.card-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.card-head .sub { color: var(--ink-3); font-size: 13px; margin-top: 2px; }
.card-head .btn { margin-left: auto; padding: 3px 10px; font-size: 12px; white-space: nowrap; flex: none; }

/* Stat tiles */
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.tile .label { color: var(--ink-2); font-size: 13px; }
.tile .value { font-size: 28px; font-weight: 600; margin-top: 4px; }
.tile .value small { font-size: 14px; font-weight: 500; color: var(--ink-2); margin-left: 6px; }
.tile .delta { font-size: 12px; margin-top: 2px; color: var(--ink-3); }
.tile .delta.up { color: var(--up); }
.tile .delta.down { color: var(--down); }

/* Charts */
.chart { position: relative; width: 100%; outline: none; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--ink-3); font-size: 11px; font-family: inherit; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; shape-rendering: crispEdges; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; shape-rendering: crispEdges; }
.chart .hit { fill: transparent; cursor: default; }
.chart .hover-band { fill: var(--hover); }
.chart .crosshair { stroke: var(--axis); stroke-width: 1; }
.chart .dot { stroke: var(--card); stroke-width: 2; }
.s1 { fill: var(--series-1); }
.s2 { fill: var(--series-2); }
.s3 { fill: var(--series-3); }
.line.s1 { stroke: var(--series-1); fill: none; }
.line.s2 { stroke: var(--series-2); fill: none; }
.line.s3 { stroke: var(--series-3); fill: none; }
.line { stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.area.s1 { fill: var(--series-1); opacity: 0.1; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 8px; color: var(--ink-2); font-size: 12px; }
.legend .key { display: inline-flex; align-items: center; gap: 6px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; }
.swatch.s1 { background: var(--series-1); }
.swatch.s2 { background: var(--series-2); }
.swatch.s3 { background: var(--series-3); }

.tooltip {
  position: fixed;
  z-index: 20;
  pointer-events: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  font-size: 12px;
  min-width: 140px;
}
.tooltip .tt-title { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-row strong { font-variant-numeric: tabular-nums; min-width: 2.5ch; }
.tooltip .tt-row span { color: var(--ink-2); }
.tt-key { width: 12px; height: 2px; border-radius: 1px; display: inline-block; }
.tt-key.s1 { background: var(--series-1); }
.tt-key.s2 { background: var(--series-2); }
.tt-key.s3 { background: var(--series-3); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--ink-2); font-weight: 500; font-size: 12px; position: sticky; top: 0; background: var(--card); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
th button { border: 0; background: none; padding: 0; color: inherit; font: inherit; cursor: pointer; }
th button[aria-sort]::after { content: ""; }
th button[data-dir="asc"]::after { content: " ▲"; font-size: 9px; }
th button[data-dir="desc"]::after { content: " ▼"; font-size: 9px; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--hover); }
a.person { color: var(--ink); font-weight: 500; }
.cell-sub { color: var(--ink-3); font-size: 12px; }

/* Status pills: shape + label, never color alone */
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.status i { width: 9px; height: 9px; display: inline-block; flex: none; }
.status.active i { background: var(--good); border-radius: 50%; }
.status.slipping i { background: var(--warning); clip-path: polygon(50% 100%, 0 0, 100% 0); }
.status.dormant i { border: 2px solid var(--serious); border-radius: 50%; }
.status.new i { background: var(--neutral); clip-path: polygon(40% 0, 60% 0, 60% 40%, 100% 40%, 100% 60%, 60% 60%, 60% 100%, 40% 100%, 40% 60%, 0 60%, 0 40%, 40% 40%); }
.status.never i { background: var(--critical); height: 3px; border-radius: 2px; }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--ink-2); margin-left: 6px; vertical-align: 1px; }

/* Status breakdown bar */
.statusbar { display: flex; height: 14px; border-radius: 4px; overflow: hidden; gap: 2px; margin: 6px 0 14px; }
.statusbar:empty { background: var(--grid); }
.statusbar .seg-active { background: var(--good); }
.statusbar .seg-slipping { background: var(--warning); }
.statusbar .seg-dormant { background: var(--serious); }
.statusbar .seg-new { background: var(--neutral); }
.statusbar .seg-never { background: var(--critical); }
.status-list { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.status-list .row { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: baseline; }
.status-list strong { font-size: 18px; font-weight: 600; }
.status-list .def { grid-column: 2; color: var(--ink-3); font-size: 12px; }

/* Cohort heatmap */
.heat td.cell { text-align: center; min-width: 48px; font-variant-numeric: tabular-nums; border-left: 2px solid var(--card); }
/* Cell text: dark on the light steps, white on the dark ones (4.5:1 or better). */
.heat td.seq-1, .heat td.seq-2, .heat td.seq-3, .heat td.seq-4 { color: #0b0b0b; }
.heat td.seq-5, .heat td.seq-6, .heat td.seq-7 { color: #fff; }
@media (prefers-color-scheme: dark) {
  .heat td.seq-1, .heat td.seq-2, .heat td.seq-3 { color: #fff; }
  .heat td.seq-4, .heat td.seq-5, .heat td.seq-6, .heat td.seq-7 { color: #0b0b0b; }
}
.heat td.cell.empty { color: var(--ink-3); }
.heat td.cell.partial { font-style: italic; }
.heat .note { color: var(--ink-3); font-size: 12px; margin-top: 8px; }
.seq-0 { background: var(--surface); }
.seq-1 { background: var(--seq-100); }
.seq-2 { background: var(--seq-200); }
.seq-3 { background: var(--seq-300); }
.seq-4 { background: var(--seq-400); }
.seq-5 { background: var(--seq-500); }
.seq-6 { background: var(--seq-600); }
.seq-7 { background: var(--seq-700); }
.scale { display: flex; align-items: center; gap: 6px; color: var(--ink-3); font-size: 12px; margin-top: 10px; }
.scale span.chip { width: 22px; height: 10px; border-radius: 2px; display: inline-block; }

/* Users page */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 12px; }
.search { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; min-width: 220px; background: var(--card); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-btn { border: 1px solid var(--border); background: var(--card); border-radius: 999px; padding: 4px 10px; cursor: pointer; color: var(--ink-2); font-size: 12px; }
.chip-btn[aria-pressed="true"] { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-wash); font-weight: 600; }

/* User detail */
.back { display: inline-block; margin-bottom: 10px; }
.profile { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: flex-start; margin-bottom: 16px; }
.profile h1 { font-size: 22px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.facts dt { color: var(--ink-3); }
.facts dd { margin: 0; }
.empty-state { color: var(--ink-3); padding: 24px 0; text-align: center; }

.sm-only { display: none; }
@media (max-width: 900px) {
  .opt { display: none; }
}
@media (max-width: 1080px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .topbar { padding: 10px 16px; gap: 10px; position: static; }
  .topbar-right { margin-left: 0; }
  main { padding: 12px 16px 40px; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .search { min-width: 0; width: 100%; }
  .seg button { padding: 6px 7px; font-size: 13px; }
  .opt-sm { display: none; }
  .sm-only { display: block; }
  th, td { padding: 8px 6px; }
  /* Long names and emails wrap instead of pushing the table sideways. */
  td:first-child { white-space: normal; overflow-wrap: anywhere; }
}