.rate-history { padding-top: 30px; padding-bottom: 80px; }
.rate-history-intro { max-width: 920px; padding: 20px 0 36px; }
.rate-history h1 { font: 700 clamp(38px,5vw,64px)/1.07 var(--serif); letter-spacing: -1.8px; margin: 12px 0 20px; }
.rate-history-lead { max-width: 740px; font-size: 19px; line-height: 1.65; color: var(--muted); }
.rate-history-lead p { margin: 0; }
.rate-overview { display: grid; grid-template-columns: 1.1fr 1fr 1.2fr; background: var(--pale); margin-bottom: 40px; }
.rate-overview > div { padding: 30px 32px; display: flex; flex-direction: column; justify-content: center; }
.rate-overview > div > span:last-child { font-size: 12px; line-height: 1.5; }
.rate-overview-current { background: var(--navy); color: white; }
.rate-overview-current .eyebrow { color: #ffb297; }
.rate-overview-current > p { font: 700 68px/1.1 var(--serif); margin: 6px 0 10px; letter-spacing: -2px; }
.rate-overview-current > p > span { font-size: 35px; margin-left: 5px; }
.rate-label { font-size: 12px; color: var(--muted); }
.rate-stat { font: 700 38px/1.2 var(--serif); margin: 12px 0; letter-spacing: -1px; }
.rate-stat > span { font: 500 12px/1.4 var(--sans); letter-spacing: 0; margin-left: 8px; }
.rate-stat-date { font-size: 34px; }
.rate-chart-panel { padding: 36px; border: 1px solid var(--line); }
.rate-chart-top { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.rate-history h2 { font: 700 32px/1.15 var(--serif); margin: 10px 0 0; letter-spacing: -.7px; }
.rate-periods { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; background: var(--pale); border-radius: 4px; }
.rate-periods a { font-size: 12px; padding: 10px 14px; text-decoration: none; border-radius: 2px; white-space: nowrap; }
.rate-periods a[aria-current] { background: var(--navy); color: white; }
.rate-periods a:hover { box-shadow: inset 0 0 0 1px var(--navy); }
.rate-chart-context { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; margin: 28px 0; color: var(--muted); }
.rate-chart-context p { margin: 0; }
.rate-chart-key { display: inline-block; width: 18px; height: 3px; background: var(--accent-text); vertical-align: middle; margin-right: 8px; }
.rate-chart-figure { margin: 0; }
.rate-chart-grid { display: grid; grid-template-columns: 48px minmax(0,1fr); gap: 12px; }
.rate-y-axis { display: flex; flex-direction: column; justify-content: space-between; height: 300px; font-size: 12px; color: var(--muted); text-align: right; }
.rate-y-axis span { transform: translateY(-50%); }
.rate-y-axis span:last-child { transform: translateY(50%); }
.rate-plot { min-width: 0; }
.rate-plot svg { width: 100%; height: 300px; display: block; overflow: visible; touch-action: pan-y; }
.rate-gridline { stroke: var(--line); stroke-width: 1px; vector-effect: non-scaling-stroke; }
.rate-area { fill: #ff6b3510; }
.rate-line { stroke: var(--accent-text); stroke-width: 3px; fill: none; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.rate-crosshair { stroke: var(--navy); stroke-width: 1px; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; }
.rate-crosshair[hidden] { display: none; }
.rate-x-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 14px; }
.rate-chart-figure figcaption { font-size: 12px; color: var(--muted); margin: 20px 0; max-width: 75ch; }
.rate-inspector { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 20px; padding: 16px 20px; background: var(--pale); font-size: 12px; }
.rate-inspector[hidden] { display: none; }
.rate-inspector label span { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.rate-inspector input { width: 100%; accent-color: var(--navy); padding: 0; cursor: pointer; }
.rate-inspector output { font-weight: 650; white-space: nowrap; }
.rate-chart-footer { display: flex; flex-wrap: wrap; gap: 12px 30px; border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; font-size: 12px; }
.rate-chart-footer p { margin: 0; color: var(--muted); }
.rate-chart-footer strong { color: var(--navy); margin-left: 4px; }
.rate-explainer { margin-top: 56px; }
.rate-explainer-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; margin-top: 28px; }
.rate-explainer-grid article { border-top: 2px solid var(--navy); padding-top: 20px; }
.rate-note-number { font-size: 12px; font-weight: 700; color: var(--accent-text); }
.rate-explainer h3 { font: 700 24px/1.25 var(--serif); margin: 14px 0; }
.rate-explainer p, .rate-provenance p { font-size: 15px; line-height: 1.75; }
.rate-history-table-section { margin-top: 40px; }
.rate-history-table { margin-top: 20px; border: 1px solid var(--line); }
.rate-history-table summary { padding: 20px; font-weight: 600; cursor: pointer; font-size: 14px; }
.rate-history-table summary span { font-weight: 400; color: var(--muted); margin-left: 12px; font-size: 12px; }
.rate-table-scroll { overflow-x: auto; padding: 0 20px 20px; }
.rate-history-table table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; }
.rate-history-table caption { text-align: left; font-size: 12px; color: var(--muted); padding: 12px 0 20px; line-height: 1.6; }
.rate-history-table th, .rate-history-table td { padding: 14px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.rate-history-table thead { background: var(--pale); }
.rate-provenance { background: var(--pale); margin-top: 40px; padding: 30px 36px; }
.rate-provenance p { max-width: 90ch; margin: 18px 0 0; }
.rate-provenance .rate-sync { font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; }
.rate-provenance a { text-underline-offset: 3px; }
.rate-history-warning, .rate-history-empty { background: var(--pale); padding: 20px 24px; border-left: 3px solid var(--orange); font-size: 14px; line-height: 1.7; margin-bottom: 28px; }
@media (max-width: 1000px) {
  .rate-overview > div { padding: 24px; }
  .rate-stat, .rate-stat-date { font-size: 30px; }
  .rate-chart-top { align-items: flex-start; flex-direction: column; }
  .rate-inspector { grid-template-columns: 1fr 1fr; }
  .rate-inspector output { grid-column: 1/-1; }
}
@media (max-width: 767px) {
  .rate-history { padding-top: 20px; padding-bottom: 40px; }
  .rate-history-intro { padding-top: 12px; padding-bottom: 28px; }
  .rate-history h1 { letter-spacing: -1px; }
  .rate-history-lead { font-size: 17px; }
  .rate-overview { grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 28px; }
  .rate-overview-current { grid-column: 1/-1; }
  .rate-overview > div { padding: 22px 20px; }
  .rate-overview > div > span:last-child { font-size: 11px; }
  .rate-stat, .rate-stat-date { font-size: 24px; letter-spacing: -.8px; }
  .rate-stat > span { display: block; margin: 6px 0 0; }
  .rate-chart-panel { padding: 22px 16px; }
  .rate-history h2 { font-size: 28px; }
  .rate-periods { gap: 0; width: 100%; justify-content: space-between; }
  .rate-periods a { padding: 10px 8px; font-size: 11px; }
  .rate-chart-context { flex-direction: column; gap: 6px; margin: 22px 0 28px; }
  .rate-chart-grid { grid-template-columns: 35px minmax(0,1fr); gap: 8px; }
  .rate-y-axis, .rate-plot svg { height: 240px; }
  .rate-y-axis, .rate-x-axis { font-size: 10px; }
  .rate-x-axis span:nth-child(even) { display: none; }
  .rate-inspector { display: flex; flex-direction: column; align-items: stretch; gap: 14px; padding: 16px; }
  .rate-inspector output { white-space: normal; line-height: 1.6; }
  .rate-chart-footer { flex-direction: column; gap: 10px; }
  .rate-explainer { margin-top: 36px; }
  .rate-explainer-grid { grid-template-columns: 1fr; gap: 24px; }
  .rate-explainer h3 { margin: 10px 0; }
  .rate-explainer p { margin-bottom: 0; }
  .rate-provenance { padding: 24px 20px; }
  .rate-history-table summary { font-size: 13px; line-height: 1.6; }
  .rate-history-table summary span { display: block; margin: 4px 0 0 16px; }
}