/* Cash Rate — light/dark, system fonts, no webfonts */
:root {
  color-scheme: light;
  --bg: #e6e6e3;
  --paper: #eeeee9;
  --ink: #1c1d20;
  --muted: #5a5d64;
  --faint: #7a7d84;
  --line: #cfcfc8;
  --accent: #2a3a4e;
  --up: #1f6b40;
  --down: #a33b35;
  --max: 52rem;
  --chart-line: #2a3a4e;
  --chart-fill: rgba(42, 58, 78, 0.07);
  --chart-grid: rgba(28, 29, 32, 0.1);
  --chart-now: #c43c3c;
  --hair: #d8d8d2;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1c1e22;
  --paper: #23262b;
  --ink: #e6e4df;
  --muted: #a9a59c;
  --faint: #8b8880;
  --line: #3a3e46;
  --accent: #b7c7db;
  --up: #6dba8c;
  --down: #e08a84;
  --chart-line: #c5d2e4;
  --chart-fill: rgba(197, 210, 228, 0.09);
  --chart-grid: rgba(230, 228, 223, 0.1);
  --chart-now: #e07070;
  --hair: #2e3238;
}

* { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}
a:hover { color: var(--ink); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }

.site-header {
  padding: 1.1rem 0 0;
  background: transparent;
}
.site-header .wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.brand-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 0.55rem;
}
.brand {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand span { color: var(--accent); }

.theme-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.1rem 0;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -1.5px 0 var(--ink);
}

.locale-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  padding: 0.4rem 0 0;
  font-size: 0.72rem;
  color: var(--faint);
}
.locale-bar a {
  color: var(--muted);
  text-decoration: none;
}
.locale-bar a:hover { color: var(--ink); }
.locale-bar a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.ad {
  margin: 1rem auto;
  width: min(var(--max), calc(100% - 2rem));
  min-height: 4.5rem;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--faint);
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ad.tall { min-height: 7rem; }

.page { padding: 1.4rem 0 3.2rem; }
.kicker {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 0.4rem;
}
h1 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: clamp(1.45rem, 3.4vw, 1.95rem);
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin: 0 0 0.35rem;
}
.lede {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 1.4rem;
}

.current-block { margin: 1rem 0 0.1rem; }
.current-num {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: clamp(3.2rem, 12vw, 5.8rem);
  letter-spacing: -0.035em;
  line-height: 0.92;
  font-variant-numeric: lining-nums;
}
.current-num sup {
  font-size: 0.36em;
  font-weight: 500;
  margin-left: 0.06em;
}
.change {
  margin: 0.5rem 0 0.1rem;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}
.change.up { color: var(--up); }
.change.down { color: var(--down); }
.change.flat { color: var(--muted); }
.asof { color: var(--faint); font-size: 0.86rem; margin: 0 0 1.15rem; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.3rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  margin: 0 0 1.25rem;
  padding: 0.65rem 0;
}
.stats div { padding: 0; border: 0; }
.stats dt {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.stats dd {
  margin: 0.1rem 0 0;
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
}
.stats dd small { color: var(--faint); font-size: 0.76rem; font-weight: 400; }

@media (min-width: 640px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 1.5rem;
  }
}

.panel-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.7rem 1.1rem;
  flex-wrap: wrap;
  margin: 0 0 0.1rem;
}
.tabs, .ranges, .explore-tools {
  display: flex;
  gap: 0.15rem 0.85rem;
}
.tabs button, .ranges button, .explore-tools button, .chart-explore {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.2rem 0 0.28rem;
  cursor: pointer;
}
.tabs button:hover, .ranges button:hover,
.explore-tools button:hover, .chart-explore:hover { color: var(--ink); }
.tabs button[aria-pressed="true"],
.ranges button[aria-pressed="true"],
.chart-explore[aria-pressed="true"] {
  color: var(--ink);
  box-shadow: inset 0 -1.5px 0 var(--ink);
}
.explore-tools { display: none; }
.explore-tools.is-on { display: flex; }

.chart-box {
  position: relative;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  padding: 0;
  margin-top: 0.5rem;
  height: 22rem;
}
.chart-box canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.chart-crosshair {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.chart-crosshair[hidden] { display: none; }
.chart-vline {
  position: absolute;
  top: 0;
  bottom: 1.7rem;
  width: 1px;
  background: var(--faint);
  opacity: 0.55;
}
.chart-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--chart-line);
}
.chart-tip {
  position: absolute;
  top: 2px;
  transform: translateX(-50%);
  text-align: center;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  white-space: nowrap;
}
.chart-tip-date {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
}
.chart-tip-val {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.table-wrap {
  display: none;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  max-height: 28rem;
  overflow: auto;
}
.table-wrap.is-on, .chart-box.is-on { display: block; }
.chart-box.is-off { display: none; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
}
table.data th, table.data td {
  text-align: left;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}
table.data th {
  position: sticky;
  top: 0;
  background: var(--bg);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
table.data td:last-child, table.data th:last-child { text-align: right; }

.rate-ledger {
  margin: 0 0 2rem;
  border-top: 1px solid var(--ink);
}
.ledger-head,
.ledger-row {
  display: grid;
  grid-template-columns: minmax(8rem, 1.7fr) 5.4rem minmax(8rem, 1.15fr) 6.6rem;
  gap: 0.4rem 1rem;
  align-items: baseline;
}
.ledger-head {
  padding: 0.4rem 0 0.35rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.ledger-row {
  padding: 0.7rem 0 0.65rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
.ledger-row .col-name { color: var(--muted); }
.ledger-row .col-rate {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  font-variant-numeric: lining-nums tabular-nums;
  color: var(--ink);
}
.ledger-row .col-change {
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.ledger-row .col-change.up { color: var(--up); }
.ledger-row .col-change.down { color: var(--down); }
.ledger-row .col-change.flat { color: var(--faint); }
.ledger-row .col-asof {
  font-size: 0.86rem;
  color: var(--faint);
  text-align: right;
}
.ledger-head .col-asof { text-align: right; }
.ledger-row.is-lead { padding: 0.85rem 0 0.8rem; }
.ledger-row.is-lead .col-name {
  font-size: 1.05rem;
  color: var(--ink);
}
.ledger-row.is-lead .col-rate { font-size: 1.5rem; }
.ledger-row:hover { border-bottom-color: var(--ink); }
.ledger-row:hover .col-name { color: var(--ink); }

@media (max-width: 719px) {
  .ledger-head { display: none; }
  .ledger-row,
  .ledger-row.is-lead {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "name rate"
      "change asof";
    gap: 0.12rem 1rem;
    padding: 0.75rem 0;
  }
  .ledger-row .col-name,
  .ledger-row.is-lead .col-name { grid-area: name; }
  .ledger-row .col-rate,
  .ledger-row.is-lead .col-rate { grid-area: rate; text-align: right; }
  .ledger-row .col-change { grid-area: change; }
  .ledger-row .col-asof { grid-area: asof; }
}

.prose { max-width: 40.5rem; }
.prose h2 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 500;
  font-size: 1.28rem;
  margin: 1.9rem 0 0.5rem;
  letter-spacing: -0.02em;
}
.prose h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 1.3rem 0 0.35rem;
}
.prose p, .prose li { color: var(--ink); }
.prose ul { padding-left: 1.15rem; }
.source {
  margin: 1.5rem 0;
  padding: 0.7rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}
.notice {
  margin: 1.6rem 0 0;
  padding: 0.65rem 0 0;
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.84rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details p { margin: 0.4rem 0 0.15rem; color: var(--muted); }

.trust h1 { margin-bottom: 0.75rem; }

.site-footer {
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.15rem 0 2rem;
}
.site-footer .wrap { display: grid; gap: 0.6rem; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; }
.foot-nav a { color: var(--muted); text-decoration: none; }
.foot-nav a:hover { color: var(--ink); }
.legal { color: var(--faint); max-width: 44rem; }

@media print {
  .site-header, .ad, .site-footer .foot-nav, .tabs, .ranges,
  .theme-toggle, .locale-bar, .chart-explore, .explore-tools { display: none !important; }
  body { background: #fff; color: #111; }
  .chart-box { break-inside: avoid; }
}