:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --text: #1d2420;
  --muted: #5f6b65;
  --border: #d8ddd9;
  --accent: #2f6f5e;
  --accent-text: #ffffff;
  --ok-bg: #e3f2ea;
  --ok-text: #1f5a3c;
  --err-bg: #fbe7e5;
  --err-text: #8a2219;
  --warn-bg: #fdf3dc;
  --warn-text: #6b4b06;
  --danger: #a3281e;
  --office: #2f6f5e;
  --remote: #8fb3c9;
  --away: #d9a441;
  --no-answer: #c4c9c6;
  --chart-grid: #e3e7e4;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --surface: #1c211e;
    --text: #e4e9e6;
    --muted: #9aa69f;
    --border: #333b37;
    --accent: #5fb39a;
    --accent-text: #0e1311;
    --ok-bg: #1d3a2c;
    --ok-text: #b7e5cb;
    --err-bg: #47201c;
    --err-text: #f4c3bd;
    --warn-bg: #3d3018;
    --warn-text: #f1d9a4;
    --danger: #f08a7f;
    --office: #5fb39a;
    --remote: #5d87a1;
    --away: #c9993c;
    --no-answer: #4a524e;
    --chart-grid: #2b322e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

a { color: var(--accent); }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; }

.top nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
.top nav a { text-decoration: none; color: var(--muted); padding: 2px 0; }
.top nav a[aria-current="page"] { color: var(--text); border-bottom: 2px solid var(--accent); }

.logout { display: flex; align-items: center; gap: 8px; margin: 0; }
.who { color: var(--muted); font-size: 13px; }

main { max-width: 1180px; margin: 0 auto; padding: 16px; }

h1 { font-size: 24px; margin: 8px 0 12px; }
h2 { font-size: 18px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 16px 0 8px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 0 0 16px;
}

.narrow { max-width: 480px; margin: 40px auto; }

.muted { color: var(--muted); font-size: 13px; }

.notice { padding: 10px 14px; border-radius: 6px; margin: 0 0 16px; }
.notice.ok { background: var(--ok-bg); color: var(--ok-text); }
.notice.err { background: var(--err-bg); color: var(--err-text); }
.notice.warn { background: var(--warn-bg); color: var(--warn-text); }

.tag {
  display: inline-block;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.scroll { overflow-x: auto; }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 6px 10px 6px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.closed td { color: var(--muted); }

.facts { display: flex; flex-wrap: wrap; gap: 12px 32px; margin: 0 0 12px; }
.facts div { min-width: 120px; }
.facts dt { font-size: 13px; color: var(--muted); }
.facts dd { margin: 0; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }

form.inline { display: inline-flex; gap: 6px; align-items: center; margin: 0; }
form.row, .row { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: flex-end; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--text); font-size: 14px; }

input, select, button, .button {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}

input[type="checkbox"], input[type="radio"] { padding: 0; width: 16px; height: 16px; accent-color: var(--accent); }

button, .button { cursor: pointer; display: inline-block; text-decoration: none; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; text-decoration: underline; }

.pager { display: flex; gap: 12px; align-items: center; margin: 0 0 12px; flex-wrap: wrap; }

.days { display: flex; gap: 8px; flex-wrap: wrap; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--muted); margin: 6px 0; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: baseline; }
.s-office { background: var(--office); }
.s-remote { background: var(--remote); }
.s-away { background: var(--away); }
.s-no_answer { background: var(--no-answer); }

.status-office { color: var(--office); font-weight: 600; }

svg.chart { width: 100%; height: auto; display: block; }
svg.chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
svg.chart .axis { fill: var(--muted); font-size: 11px; }
svg.chart .bar { fill: var(--office); }
svg.chart .bar.alt { fill: var(--remote); }
svg.chart .line { stroke: var(--office); stroke-width: 2; fill: none; }
svg.chart .ref { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 4 3; }
svg.chart .ref-label { fill: var(--muted); font-size: 11px; }
svg.chart g:hover .bar { opacity: 0.8; }
svg.chart .value { fill: var(--text); font-size: 11px; }

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.grid2 > .card { margin: 0; }

details summary { cursor: pointer; color: var(--accent); }
dl.defs dt { font-weight: 600; margin-top: 8px; }
dl.defs dd { margin: 0 0 0 0; color: var(--muted); }

@media (max-width: 640px) {
  .top { padding: 10px 16px; }
  .top nav { order: 3; flex-basis: 100%; }
  .logout { margin-left: auto; }
  main { padding: 12px 16px; }
  .facts dd { font-size: 18px; }
}