:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #66655f;
  --border: #d9d8d2;
  --accent: #2f5d8a;
  --ok: #2e7d32;
  --bad: #b3261e;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --text: #e8e7e2;
    --muted: #a3a29b;
    --border: #3a3935;
    --accent: #8db4dc;
    --ok: #81c784;
    --bad: #f2867c;
  }
}

* { box-sizing: border-box; }

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

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; }
nav { display: flex; flex-wrap: wrap; gap: 4px 12px; flex: 1; }
nav a { color: var(--text); text-decoration: none; padding: 4px 2px; }
nav a[aria-current="page"] { border-bottom: 2px solid var(--accent); }
.logout { margin: 0; }

main { max-width: 860px; margin: 0 auto; padding: 16px; }
footer { max-width: 860px; margin: 0 auto; padding: 16px; color: var(--muted); font-size: 13px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }
a { color: var(--accent); }
code { font-size: 13px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.narrow { max-width: 360px; }

label { display: block; margin: 8px 0 4px; }
label.check { display: flex; gap: 8px; align-items: center; }
input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  max-width: 360px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
input[readonly] { color: var(--muted); }
fieldset { border: 1px solid var(--border); border-radius: 6px; margin: 0 0 16px; padding: 8px 12px 12px; }
legend { font-weight: 600; padding: 0 4px; }

button {
  margin-top: 12px;
  padding: 8px 16px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--surface);
  font: inherit;
  cursor: pointer;
}
.logout button { margin: 0; background: transparent; color: var(--accent); border: 1px solid var(--border); padding: 4px 12px; }
button.danger { background: var(--bad); }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.plain { list-style: none; padding: 0; margin: 0; }

.hint { color: var(--muted); font-size: 13px; margin: 2px 0 8px; }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.notice { border-left: 4px solid var(--ok); padding: 8px 12px; background: var(--surface); }
.error { border-left: 4px solid var(--bad); padding: 8px 12px; background: var(--surface); color: var(--bad); }
.error ul { margin: 4px 0 0; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }

h3 { font-size: 15px; margin: 16px 0 4px; }
select { padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
input.wide { max-width: none; font-family: ui-monospace, monospace; font-size: 13px; }
.scroll { overflow-x: auto; margin-bottom: 16px; }
form.inline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
form.inline label.check { margin: 0; }
.row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px; }
button.small { margin: 0; padding: 4px 10px; font-size: 13px; }
td form.inline button { margin: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
form:not(.inline) > button[type="submit"] { display: block; }

/* Analytics charts. Series colours are the validated reference palette, stepped separately
   for light and dark surfaces; text never takes a series colour. */
:root {
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #4a3aa7; --series-8: #e34948;
  --series-other: #a3a29b;
  --series-hover: #1c5cab;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
    --series-other: #6b6a65;
    --series-hover: #86b6ef;
    --grid: #2c2c2a;
    --axis: #383835;
  }
}

.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 16px; }
.filters label { margin: 0; }
.filters button { margin: 0; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: flex; flex-direction: column; gap: 2px; }
.tile-label { color: var(--muted); font-size: 13px; }
.tile-value { font-size: 28px; font-weight: 600; }
.tile-sub { color: var(--muted); font-size: 12px; }

svg.columns { width: 100%; height: auto; display: block; }
svg.columns .grid { stroke: var(--grid); stroke-width: 1; }
svg.columns .baseline { stroke: var(--axis); stroke-width: 1; }
svg.columns .tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
svg.columns .bar { fill: var(--series-1); }
svg.columns .hit { fill: transparent; }
svg.columns .col:hover .bar { fill: var(--series-hover); }

.donut-row { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
svg.donut { width: 200px; height: 200px; flex: none; }
svg.donut .seg { stroke: var(--surface); stroke-width: 2; }
svg.donut .seg:hover { opacity: 0.85; }
svg.donut .donut-total { fill: var(--text); font-size: 22px; font-weight: 600; text-anchor: middle; }
svg.donut .donut-caption { fill: var(--muted); font-size: 12px; text-anchor: middle; }
.legend { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: baseline; }

.seg-1 { fill: var(--series-1); background: var(--series-1); }
.seg-2 { fill: var(--series-2); background: var(--series-2); }
.seg-3 { fill: var(--series-3); background: var(--series-3); }
.seg-4 { fill: var(--series-4); background: var(--series-4); }
.seg-5 { fill: var(--series-5); background: var(--series-5); }
.seg-6 { fill: var(--series-6); background: var(--series-6); }
.seg-7 { fill: var(--series-7); background: var(--series-7); }
.seg-8 { fill: var(--series-8); background: var(--series-8); }
.seg-other { fill: var(--series-other); background: var(--series-other); }

details { margin-top: 12px; }
summary { cursor: pointer; color: var(--accent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
code.wrap { display: block; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--muted); }