/* Free Bank Data — editorial theme (Sherwood/Chartr-inspired), 2026-07-13.
   Palette validated with the dataviz six-checks script in both modes:
   light on #faf7f2 (worst adjacent CVD dE 28.2), dark on #1b1814 (18.8). */
:root {
  --font-display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --surface-1: #fffdf9;
  --page: #faf7f2;
  --ink: #1a1815;
  --ink-2: #57534b;
  --muted: #8a8578;
  --grid: #e7e2d7;
  --baseline: #cfc9bb;
  --border: rgba(26, 24, 21, 0.12);
  --up-good: #1e7d32;
  --series-1: #2c4fd8;
  --series-2: #e2632a;
  --series-3: #6247c5;
  --series-4: #1e7d32;
  --series-5: #c13d8f;
  --series-6: #b3261e;
  --series-7: #d99000;
  --series-8: #00937a;
  --spark: #cfc9bb;      /* de-emphasis trend hue */
  --accent: #2c4fd8;
  --critical: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface-1: #1b1814;
    --page: #131110;
    --ink: #f4f0e8;
    --ink-2: #c0bab0;
    --muted: #8a8578;
    --grid: #2b2822;
    --baseline: #423e36;
    --border: rgba(244, 240, 232, 0.12);
    --up-good: #43a353;
    --series-1: #5b78f0;
    --series-2: #db6b40;
    --series-3: #8f7ce8;
    --series-4: #43a353;
    --series-5: #cf58a5;
    --series-6: #e0574d;
    --series-7: #b9821b;
    --series-8: #2f9e8f;
    --spark: #4a463e;
    --accent: #5b78f0;
    --critical: #e0574d;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap;
  padding: 16px 24px 14px; border-bottom: 2px solid var(--ink);
  background: var(--page);
}
header.site .brand {
  font-family: var(--font-display); font-weight: 700; font-size: 21px; color: var(--ink);
  letter-spacing: -0.01em;
}
header.site .brand span { color: var(--muted); font-weight: 400; font-size: 16px; }
header.site nav { display: flex; gap: 16px; font-size: 14px; }
header.site nav a { color: var(--ink-2); }
header.site nav a.active { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
header.site .tagline { margin-left: auto; color: var(--muted); font-size: 12px; font-family: var(--font-mono); }

main { max-width: 1240px; margin: 0 auto; padding: 26px 24px 60px; }
h1 {
  font-family: var(--font-display); font-size: 32px; font-weight: 700;
  letter-spacing: -0.015em; margin: 6px 0 6px; line-height: 1.15;
}
h2 { font-family: var(--font-display); font-size: 21px; margin: 32px 0 8px; letter-spacing: -0.01em; }
.sub {
  font-family: var(--font-display); color: var(--ink-2); font-size: 15.5px;
  margin: 0 0 18px; max-width: 860px; line-height: 1.45;
}
.sub .asof { color: var(--muted); font-family: var(--font-mono); font-size: 12px; }

/* KPI row of stat tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 18px 0; }
.tile {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px 10px;
}
.tile .label {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--muted);
}
.tile .value { font-size: 27px; font-weight: 650; margin: 3px 0 0; letter-spacing: -0.01em; }
.tile .delta { font-size: 12.5px; color: var(--ink-2); font-family: var(--font-mono); }
.tile .delta.up { color: var(--up-good); }
.tile .delta.down { color: var(--critical); }
.tile svg { display: block; margin-top: 6px; }

/* Cards & tables */
.card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; margin: 14px 0; overflow-x: auto;
}
/* charts float on the paper, Sherwood-style — no box */
.card.chart-block { background: transparent; border: none; padding: 6px 0 0; overflow: visible; }
.chart-title {
  font-family: var(--font-display); font-size: 15.5px; color: var(--ink);
  font-weight: 700; margin-bottom: 2px;
}
table.data { border-collapse: collapse; width: 100%; font-size: 13.5px; }
table.data th {
  text-align: right; font-weight: 600; color: var(--ink-2); padding: 6px 10px;
  border-bottom: 2px solid var(--ink); white-space: nowrap; cursor: pointer;
  position: sticky; top: 0; background: var(--surface-1);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; text-transform: uppercase;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data td {
  padding: 5.5px 10px; border-bottom: 1px solid var(--grid);
  text-align: right; font-family: var(--font-mono); font-size: 12.5px; white-space: nowrap;
}
table.data td:first-child { font-family: inherit; font-size: 13.5px; }
table.data tr:hover td { background: color-mix(in srgb, var(--accent) 6%, transparent); }
table.data td.name { max-width: 340px; overflow: hidden; text-overflow: ellipsis; }
table.data .tkr { color: var(--muted); font-size: 11px; margin-left: 6px; font-family: var(--font-mono); }
.num-bad { color: var(--critical); }

/* toolbar / filters: one row above content */
.toolbar { display: flex; gap: 10px; align-items: center; margin: 14px 0; flex-wrap: wrap; }
.toolbar input[type="search"], .toolbar input[type="number"], .toolbar select {
  background: var(--surface-1); color: var(--ink); border: 1px solid var(--baseline);
  border-radius: 6px; padding: 6px 10px; font: inherit; font-size: 13.5px;
}
.toolbar button, .btn {
  background: var(--surface-1); color: var(--ink); border: 1px solid var(--ink);
  border-radius: 6px; padding: 6px 12px; font: inherit; font-size: 13.5px; cursor: pointer;
}
.toolbar button:hover, .btn:hover { background: var(--ink); color: var(--page); }
.toolbar .spacer { flex: 1; }
.hint { color: var(--muted); font-size: 11.5px; font-family: var(--font-mono); line-height: 1.5; }

/* chart blocks */
.chart-block { margin: 10px 0 4px; }
.legend { display: flex; gap: 16px; font-size: 13px; color: var(--ink-2); margin: 4px 0 6px; flex-wrap: wrap; }
.legend .key { display: inline-flex; align-items: center; gap: 6px; }
.legend .key i { width: 16px; height: 3px; display: inline-block; border-radius: 2px; }

/* all chart text (ticks, values, axis) is mono — the Chartr signature */
svg text { font-family: var(--font-mono); }

/* tooltip */
.viz-tip {
  position: fixed; pointer-events: none; z-index: 50; display: none;
  background: var(--surface-1); border: 1px solid var(--ink); border-radius: 6px;
  padding: 8px 10px; font-size: 12px; box-shadow: 3px 3px 0 rgba(26,24,21,.12);
  min-width: 130px;
}
.viz-tip .tip-x { color: var(--muted); margin-bottom: 4px; font-family: var(--font-mono); font-size: 11px; }
.viz-tip .row { display: flex; align-items: center; gap: 7px; margin: 1px 0; }
.viz-tip .row i { width: 12px; height: 3px; border-radius: 2px; }
.viz-tip .row b { margin-left: auto; font-family: var(--font-mono); }
.viz-tip .row span { color: var(--ink-2); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

footer.site {
  max-width: 1240px; margin: 0 auto; padding: 18px 24px 40px;
  color: var(--muted); font-size: 11px; border-top: 2px solid var(--ink);
  font-family: var(--font-mono); line-height: 1.6;
}
footer.site a { color: var(--ink-2); }
.loading { color: var(--muted); padding: 30px 0; font-family: var(--font-mono); }
.zoomctl { position: absolute; top: 16px; right: 16px; display: flex; flex-direction: column; gap: 4px; z-index: 10; }
.zoomctl button {
  width: 30px; height: 30px; font-size: 16px; line-height: 1; cursor: pointer;
  background: var(--surface-1); color: var(--ink); border: 1px solid var(--ink); border-radius: 6px;
}
.zoomctl button:hover { background: var(--ink); color: var(--page); }
.pill {
  display: inline-block; border: 1.5px solid var(--ink); border-radius: 999px;
  padding: 1px 10px; font-size: 11px; color: var(--ink); margin-left: 10px;
  vertical-align: 4px; font-family: var(--font-mono); font-weight: 400;
}