/* Bakken Pulse: brand tokens from /brand.css. Chart specs follow the site's chart rules: 2px lines,
   a 10% area wash, hairline solid grid, a 2px surface ring on dots, text in ink tokens only. */
.pulse-page { color: var(--ink); --chart-series: #0064aa; --chart-wash: rgba(0, 100, 170, .10); --chart-grid: #e3e9ee; --chart-axis: #c5d0d8; --chart-text: #596772; }
.pulse-intro { background: var(--ink-deep); color: #fff; padding-block: clamp(44px, 6vw, 84px) clamp(36px, 5vw, 64px); }
.pulse-intro .eyebrow { color: var(--blue); margin: 0 0 18px; }
.pulse-intro h1 { color: #fff; font-size: clamp(44px, 5.4vw, 76px); letter-spacing: -.045em; line-height: 1.04; margin: 0 0 22px; }
.pulse-standfirst { max-width: 70ch; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.65; color: #d6e0e7; margin: 0; }
.pulse-dates { display: flex; flex-wrap: wrap; gap: 10px 34px; margin: 30px 0 0; font-size: 13px; color: #c7d6de; }
.pulse-dates strong { display: block; color: #fff; font-weight: 600; }
.pulse-nav { position: sticky; top: 0; z-index: 5; background: #fff; border-bottom: 1px solid var(--line); }
.pulse-nav .page-width { display: flex; flex-wrap: wrap; gap: 4px 22px; padding-block: 10px; font-size: 13px; font-weight: 650; }
.pulse-nav a { text-decoration: none; color: var(--muted); padding: 4px 0; }
.pulse-nav a:hover { color: var(--blue-dark); text-decoration: underline; text-decoration-color: var(--lime); text-underline-offset: 6px; }
.pulse-section { padding-block: clamp(36px, 5vw, 60px) 0; scroll-margin-top: 56px; }
.pulse-section > h2 { color: var(--ink-deep); font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1.12; margin: 0 0 .8rem; }
.pulse-section > p { max-width: 78ch; line-height: 1.7; margin: 0 0 1rem; }
.pulse-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.pulse-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.4rem 1.6rem; margin: 0 0 1.6rem; }
.pulse-kpi { display: grid; gap: .2rem; border-top: 2px solid var(--blue); padding-top: .7rem; align-content: start; }
.pulse-kpi-label { font-size: .8rem; font-weight: 650; color: var(--muted); line-height: 1.4; }
.pulse-kpi-value { font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 650; letter-spacing: -.03em; color: var(--ink-deep); line-height: 1.1; }
.pulse-kpi-unit { font-size: .85rem; color: var(--ink); }
.pulse-kpi-note { font-size: .82rem; color: var(--muted); line-height: 1.45; }
.pulse-kpi-note data { font-weight: 650; color: var(--ink); }
.pulse-finding { max-width: 78ch; font-size: 1.05rem; line-height: 1.7; margin: 0; padding: 1rem 1.2rem; background: var(--blue-tint); border-left: 3px solid var(--blue); }
.pulse-chart { position: relative; margin: 1.2rem 0 .6rem; }
.pulse-chart svg { display: block; width: 100%; overflow: visible; touch-action: pan-y; }
.pulse-chart svg:focus { outline: none; }
.pulse-chart svg:focus-visible { outline: 3px solid var(--blue-dark); outline-offset: 4px; }
.pulse-chart .grid line { stroke: var(--chart-grid); stroke-width: 1; shape-rendering: crispEdges; }
.pulse-chart .baseline { stroke: var(--chart-axis); stroke-width: 1; shape-rendering: crispEdges; }
.pulse-chart .tick { fill: var(--chart-text); font: 12px var(--sans); font-variant-numeric: tabular-nums; }
.pulse-chart .series { fill: none; stroke: var(--chart-series); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.pulse-chart .wash { fill: var(--chart-wash); stroke: none; }
.pulse-chart .dot { fill: var(--chart-series); stroke: #fff; stroke-width: 2; }
.pulse-chart text { text-transform: none; letter-spacing: normal; }
.pulse-chart .pl-label { fill: var(--ink-deep); font: 600 12px var(--sans); }
.pulse-chart .pl-sub { fill: var(--chart-text); font: 12px var(--sans); }
.pulse-chart .pl-leader { stroke: var(--chart-axis); stroke-width: 1; }
.pulse-chart .break-line { stroke: var(--chart-axis); stroke-width: 1; shape-rendering: crispEdges; }
.pulse-chart .crosshair { stroke: var(--ink); stroke-width: 1; opacity: .45; shape-rendering: crispEdges; }
.pulse-tip { position: absolute; top: 0; left: 0; pointer-events: none; background: #fff; border: 1px solid var(--line); box-shadow: 0 6px 22px rgba(26, 48, 64, .12); padding: 8px 11px; font-size: 12px; line-height: 1.45; color: var(--muted); min-width: 150px; max-width: 240px; opacity: 0; transition: opacity .1s; }
.pulse-tip.on { opacity: 1; }
.pulse-tip .tip-month { font-weight: 650; color: var(--ink); margin-bottom: 3px; }
.pulse-tip .tip-row { display: flex; gap: 8px; align-items: baseline; }
.pulse-tip .tip-key { flex: 0 0 12px; height: 2px; background: var(--chart-series); align-self: center; }
.pulse-tip .tip-value { font-size: 14px; font-weight: 650; color: var(--ink-deep); }
.pulse-source { font-size: .82rem; color: var(--muted); line-height: 1.55; margin: .4rem 0 0; max-width: 90ch; }
.pulse-table { margin: .8rem 0 0; font-size: .9rem; }
.pulse-table summary { cursor: pointer; color: var(--blue-dark); font-weight: 650; }
.pulse-table table { border-collapse: collapse; margin-top: .6rem; min-width: min(520px, 100%); font-variant-numeric: tabular-nums; }
.pulse-table th, .pulse-table td { text-align: right; padding: 6px 14px 6px 0; border-bottom: 1px solid var(--line); }
.pulse-table th:first-child, .pulse-table td:first-child { text-align: left; }
.pulse-table th { font-weight: 650; color: var(--ink-deep); }
.pulse-table .table-wrap { max-height: 420px; overflow: auto; }
.pulse-notes { max-width: 80ch; }
.pulse-notes h3 { font-size: 1.05rem; color: var(--ink-deep); margin: 1.4rem 0 .4rem; }
.pulse-notes ul { padding-left: 1.2rem; }
.pulse-notes li { margin: .45rem 0; line-height: 1.65; }
.pulse-noscript { background: var(--blue-tint); padding: .8rem 1rem; }
.pulse-end { padding-bottom: clamp(48px, 7vw, 90px); }
@media (max-width: 640px) {
  .pulse-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1rem; }
  .pulse-kpi-value { font-size: 1.7rem; }
  .pulse-chart .tick { font-size: 11px; }
}
@media print { .pulse-nav, .pulse-tip { display: none; } .pulse-intro { background: #fff; color: #000; } .pulse-intro h1, .pulse-dates strong { color: #000; } .pulse-standfirst, .pulse-dates { color: #000; } }
/* Archive: one issue per month, written later and labelled so. */
.pulse-intro .eyebrow a { color: inherit; text-decoration-color: rgba(0, 150, 255, .45); text-underline-offset: 4px; }
.issue-written { max-width: 70ch; margin: 22px 0 0; padding: 12px 16px; background: rgba(255, 255, 255, .06); border-left: 3px solid var(--lime); color: #d6e0e7; font-size: 14px; line-height: 1.6; }
.issue-written strong { color: #fff; }
.issue-pager .page-width { justify-content: space-between; }
.issue-pager a { color: var(--blue-dark); }
.issue-figure { margin: 0 0 1.2rem; }
.issue-spark { display: block; width: 100%; height: 96px; }
.issue-spark .series { fill: none; stroke: var(--chart-series); stroke-width: 2; stroke-linejoin: round; }
.issue-spark .wash { fill: var(--chart-wash); }
.issue-spark .baseline { stroke: var(--chart-axis); stroke-width: 1; }
.issue-spark .crosshair { stroke: var(--ink); stroke-width: 1; opacity: .45; vector-effect: non-scaling-stroke; }
.issue-spark .dot { fill: var(--chart-series); stroke: #fff; stroke-width: 2; }
.issue-figure figcaption { font-size: .82rem; color: var(--muted); margin-top: .3rem; }
.issue-h3 { font-size: 1.1rem; color: var(--ink-deep); margin: 1.4rem 0 .5rem; }
.issue-list { max-width: 80ch; padding-left: 1.2rem; margin: 0 0 1rem; }
.issue-list li { margin: .4rem 0; line-height: 1.6; }
.pulse-section > p, .issue-sources li { max-width: 80ch; }
.issue-sources { padding-left: 1.2rem; }
.issue-sources li { margin: .4rem 0; line-height: 1.6; }
.archive-wrap { overflow-x: auto; margin: .8rem 0 0; }
.archive-grid { border-collapse: collapse; font-size: .85rem; font-variant-numeric: tabular-nums; min-width: 640px; }
.archive-grid th, .archive-grid td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: right; }
.archive-grid thead th { color: var(--muted); font-weight: 650; }
.archive-grid tbody th { text-align: left; color: var(--ink-deep); }
.archive-grid a { color: var(--blue-dark); text-decoration: none; }
.archive-grid a:hover, .archive-grid a:focus-visible { text-decoration: underline; text-decoration-color: var(--lime); }
.milestones { max-width: 80ch; padding-left: 0; list-style: none; }
.milestones li { padding: .55rem 0; border-bottom: 1px solid var(--line); line-height: 1.55; }
.milestones a { font-weight: 650; color: var(--blue-dark); margin-right: .4rem; white-space: nowrap; }
