/* St. John's Economy and Housing Dashboard: web version.
   Colour tokens follow the validated palette in powerbi/model.md. Dark mode uses its own
   validated steps (not an automatic inversion). */

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.12);
  --focus: #2a78d6;
  --link: #256abf;
  --good: #006300;
  --bad: #d03b3b;
  --neutral: #52514e;
  --geo-SJ: #2a78d6;
  --geo-CA: #eb6834;
  --geo-NL: #1baf7a;
  --bt-single: #6da7ec;
  --bt-multi: #184f95;
  --bound: #898781;
  --band: rgba(42, 120, 214, 0.10);
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.06), 0 4px 16px rgba(11, 11, 11, 0.06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.12);
    --focus: #86b6ef;
    --link: #86b6ef;
    --good: #0ca30c;
    --bad: #e66767;
    --neutral: #c3c2b7;
    --geo-SJ: #3987e5;
    --geo-CA: #d95926;
    --geo-NL: #199e70;
    --bt-single: #1c5cab;
    --bt-multi: #9ec5f4;
    --bound: #898781;
    --band: rgba(57, 135, 229, 0.16);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.12);
  --focus: #86b6ef;
  --link: #86b6ef;
  --good: #0ca30c;
  --bad: #e66767;
  --neutral: #c3c2b7;
  --geo-SJ: #3987e5;
  --geo-CA: #d95926;
  --geo-NL: #199e70;
  --bt-single: #1c5cab;
  --bt-multi: #9ec5f4;
  --bound: #898781;
  --band: rgba(57, 135, 229, 0.16);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
}

a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute; left: 16px; top: -48px;
  background: var(--surface); color: var(--ink);
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
  z-index: 20;
}
.skip-link:focus { top: 12px; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 16px; }

/* ---------------------------------------------------------------- header */
.site-header { padding: 20px 0 8px; }
.header-row { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 12px; }
.site-title { margin: 0; font-size: 1.5rem; line-height: 1.25; font-weight: 650; }
.web-badge {
  display: inline-block; margin-top: 6px;
  padding: 2px 10px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.8125rem; color: var(--ink-2); background: var(--surface);
}
.site-intro { margin: 8px 0 0; color: var(--ink-2); max-width: 70ch; font-size: 0.9375rem; }
.header-tools { display: flex; gap: 8px; align-items: center; }

.btn {
  font: inherit; font-size: 0.875rem;
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 12px; min-height: 36px; cursor: pointer;
}
.btn:hover { border-color: var(--axis); }
.btn[aria-pressed="true"] { font-weight: 600; }

/* ---------------------------------------------------------------- page navigation */
.page-nav { margin: 16px 0 4px; }
.page-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--grid); }
.page-nav a {
  display: block; padding: 10px 14px; color: var(--ink-2); text-decoration: none;
  border-bottom: 3px solid transparent; margin-bottom: -1px; font-size: 0.9375rem;
}
.page-nav a:hover { color: var(--ink); }
.page-nav a[aria-current="page"] { color: var(--ink); font-weight: 650; border-bottom-color: var(--ink); }

/* ---------------------------------------------------------------- page */
main { padding-bottom: 32px; }
.page-head { margin: 20px 0 12px; }
.page-head h2 { margin: 0; font-size: 1.375rem; line-height: 1.3; }
.page-question { margin: 4px 0 0; color: var(--ink-2); max-width: 80ch; }

/* filters: one row above the content they scope */
.filters {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 20px;
  padding: 12px 16px; margin: 0 0 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
}
.filter { display: flex; flex-direction: column; gap: 4px; }
.filter label, .filter legend { font-size: 0.8125rem; font-weight: 600; color: var(--ink-2); padding: 0; }
.filter select {
  font: inherit; font-size: 0.875rem; color: var(--ink); background: var(--page);
  border: 1px solid var(--axis); border-radius: 6px; padding: 6px 8px; min-height: 36px;
}
.filter-range { display: flex; gap: 8px; align-items: center; }
.filter-range .range-word { color: var(--ink-2); font-size: 0.875rem; font-weight: 400; }
fieldset.filter { border: 0; margin: 0; padding: 0; min-width: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; min-height: 36px; border: 1px solid var(--axis); border-radius: 999px;
  font-size: 0.875rem; color: var(--ink-2); cursor: pointer; background: var(--page);
}
.chip span::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--chip-colour); opacity: 0.35; }
.chip input:checked + span { color: var(--ink); border-color: var(--ink-2); font-weight: 600; }
.chip input:checked + span::before { opacity: 1; }
.chip input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
.filter-status { font-size: 0.8125rem; color: var(--ink-2); margin: 0; flex-basis: 100%; }

/* KPI cards */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); }
.kpi { padding: 14px 16px 12px; display: flex; flex-direction: column; gap: 2px; min-height: 132px; }
.kpi h3 { margin: 0; font-size: 0.9375rem; font-weight: 600; line-height: 1.35; }
.kpi-period { margin: 0; font-size: 0.8125rem; color: var(--ink-2); }
.kpi-value { margin: 6px 0 0; font-size: 2rem; font-weight: 650; line-height: 1.15; letter-spacing: -0.01em; }
.kpi-delta { margin: 4px 0 0; font-size: 0.8125rem; font-weight: 600; }
.tone-good { color: var(--good); }
.tone-bad { color: var(--bad); }
.tone-neutral { color: var(--neutral); }

/* charts */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 16px; }
.charts.count-2, .charts.count-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr)); }
@media (min-width: 900px) { .kpis.count-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 640px) and (max-width: 1099px) { .kpis.count-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .kpis.count-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
figure.chart { margin: 0; padding: 14px 16px 12px; display: flex; flex-direction: column; min-width: 0; }
figure.chart figcaption h3 { margin: 0; font-size: 1rem; font-weight: 600; line-height: 1.35; }
figure.chart figcaption p { margin: 2px 0 0; font-size: 0.8125rem; color: var(--ink-2); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 10px 0 2px; padding: 0; list-style: none; font-size: 0.8125rem; color: var(--ink-2); }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.key-line { display: inline-block; width: 16px; height: 3px; border-radius: 2px; }
.key-rect { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.key-band { display: inline-block; width: 16px; height: 10px; border-radius: 2px; }
.plot { position: relative; margin-top: 4px; }
.plot:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
.plot svg { display: block; width: 100%; height: auto; overflow: visible; }
.plot text { font-family: var(--font); }
.axis-label { font-size: 11px; fill: var(--ink-2); }
.end-label { font-size: 11px; fill: var(--ink); }
.value-label { font-size: 11px; fill: var(--ink-2); }
.chart-note { margin: 6px 0 0; font-size: 0.75rem; color: var(--ink-2); }
.chart-actions { margin-top: 8px; display: flex; gap: 8px; }
.table-region { margin-top: 8px; max-height: 320px; overflow: auto; border: 1px solid var(--grid); border-radius: 6px; }
.table-region[hidden] { display: none; }
table.data { border-collapse: collapse; width: 100%; font-size: 0.8125rem; font-variant-numeric: tabular-nums; }
table.data caption { text-align: left; padding: 8px 10px; font-weight: 600; color: var(--ink); }
table.data th, table.data td { padding: 6px 10px; border-top: 1px solid var(--grid); text-align: right; white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th { position: sticky; top: 0; background: var(--surface); color: var(--ink-2); font-weight: 600; }

/* tooltip: values lead, labels follow */
.tooltip {
  position: absolute; z-index: 10; pointer-events: none; min-width: 150px;
  background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 6px;
  box-shadow: var(--shadow); padding: 8px 10px; font-size: 0.75rem; line-height: 1.4;
}
.tooltip[hidden] { display: none; }
.tooltip .tt-head { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-value { font-weight: 700; font-variant-numeric: tabular-nums; }
.tooltip .tt-label { color: var(--ink-2); }

/* footer */
.site-footer { border-top: 1px solid var(--grid); padding: 16px 0 32px; color: var(--ink-2); font-size: 0.8125rem; }
.site-footer p { margin: 6px 0; max-width: 100ch; }

@media (max-width: 640px) {
  .site-title { font-size: 1.25rem; }
  .kpi-value { font-size: 1.75rem; }
  .filters { padding: 12px; }
  .page-nav a { padding: 8px 10px; font-size: 0.875rem; }
}

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

@media (forced-colors: active) {
  .chip span::before, .key-line, .key-rect, .key-band { forced-color-adjust: none; }
}

@media print {
  .page-nav, .filters, .chart-actions, .header-tools, .skip-link { display: none; }
  .card { box-shadow: none; }
}