.bpa-app, .bpa-article {
  --bpa-bg: var(--color-page-background, #fff);
  --bpa-text: var(--color-page-text, #4a6178);
  --bpa-title: var(--color-blue-title, #303f4f);
  --bpa-border: var(--color-default-border, #dce3ea);
  --bpa-accent: var(--color-blue-close, #4e7aa6);
  --bpa-soft: var(--bf-pastel-blue-bg, #ebf7ff);
  color: var(--bpa-text); font-family: inherit; min-width: 0; max-width: 100%;
}
.bpa-article { margin: 24px auto 36px; }
.bpa-article h1 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin: 8px 0 20px; line-height: 1.15; }
.bpa-article h2, .bpa-app h2 { font-size: 1.5rem; line-height: 1.25; margin: 12px 0; }
.bpa-article h3, .bpa-app h3 { font-size: 1.08rem; line-height: 1.35; margin: 0 0 10px; }
.bpa-article h1, .bpa-article h2, .bpa-article h3, .bpa-app h2, .bpa-app h3 { color: var(--bpa-title); font-weight: 600; text-wrap: balance; }
.bpa-article p, .bpa-app p { margin: 10px 0; line-height: 1.65; }
.bpa-article section { margin: 38px 0; scroll-margin-top: 110px; }
.bpa-article > :first-child,
.bpa-article > section:first-child > :first-child { margin-top: 0; }
.bpa-article > :last-child,
.bpa-article > section:last-child > :last-child { margin-bottom: 0; }
/* Avoid stacking article margins with the theme's flex gaps on the analysis page. */
.tx-post-content:has(> .bpa-article + .bpa-app) { row-gap: 38px; padding-bottom: 0; }
.tx-post-content:has(> .bpa-article + .bpa-app) > :is(.bpa-article, .bpa-app) { margin-block: 0; }
.tx-post-content:has(> .bpa-article + .bpa-app) + .flex.flex-col { row-gap: 12px; }
.bpa-article .bpa-lede { font-size: 1.15rem; max-width: 78ch; }
.bpa-eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 600; color: var(--bpa-accent); }
.bpa-article .bpa-note { padding: 16px 20px; border-left: 3px solid var(--bpa-accent); background: color-mix(in srgb, var(--bpa-soft) 65%, var(--bpa-bg)); margin: 20px 0; }
.bpa-article .bpa-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 12px 0; border-block: 1px solid var(--bpa-border); }
.bpa-article ul, .bpa-article ol { padding-left: 1.5em; margin: 16px 0; list-style-position: outside; }
.bpa-article ul { list-style-type: disc; }
.bpa-article ol { list-style-type: decimal; }
.bpa-article li { margin: 10px 0; line-height: 1.65; }
.bpa-article .bpa-patterns li { padding: 8px 0 12px 4px; border-bottom: 1px solid var(--bpa-border); }
.bpa-app { border: 1px solid var(--bpa-border); border-radius: 18px; padding: clamp(16px, 2.5vw, 28px); margin: 24px 0; background: var(--bpa-bg); }
.bpa-app *, .bpa-article * { box-sizing: border-box; }
.bpa-app [hidden] { display: none !important; }
.bpa-app-heading { margin-bottom: 20px; }
.bpa-app .bpa-tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--bpa-border); padding-bottom: 14px; margin-bottom: 22px; }
.bpa-app button, .bpa-app select { font: inherit; color: var(--bpa-text); }
.bpa-app button { border: 1px solid var(--bpa-border); border-radius: 9px; padding: 9px 13px; min-height: 40px; background: var(--bpa-bg); cursor: pointer; transition: background-color 120ms, border-color 120ms; }
.bpa-app button:hover { background: var(--bpa-soft); }
.bpa-app button[aria-selected=true], .bpa-app button[aria-pressed=true] { background: var(--bpa-title); color: var(--bpa-bg); border-color: var(--bpa-title); }
.bpa-app button:focus-visible, .bpa-app select:focus-visible, .bpa-app a:focus-visible, .bpa-app .bpa-table-scroll:focus-visible { outline: 2px solid var(--bpa-accent); outline-offset: 3px; }
.bpa-app .bpa-controls { display: flex; align-items: end; flex-wrap: wrap; gap: 14px 20px; margin: 14px 0 20px; }
.bpa-app label { display: grid; gap: 7px; flex: 1 1 220px; min-width: 0; font-weight: 600; }
.bpa-app select { width: 100%; max-width: 100%; border: 1px solid var(--bpa-border); border-radius: 8px; padding: 10px; background: var(--bpa-bg); min-height: 44px; }
.bpa-app .bpa-small { font-size: .82rem; line-height: 1.55; }
.bpa-app .bpa-status { color: var(--bpa-text); min-height: 1.5em; }
.bpa-app .bpa-stages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-bottom: 26px; }
.bpa-app .bpa-stage { border-top: 2px solid var(--bpa-border); padding-top: 12px; min-width: 0; }
.bpa-app .bpa-stage-line { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 10px; font-size: .83rem; margin: 7px 0; }
.bpa-app .bpa-plots { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; margin: 18px 0; }
.bpa-app figure { margin: 0; min-width: 0; }
.bpa-app svg { display: block; width: 100%; overflow: visible; }
.bpa-app svg text { fill: var(--bpa-text); font-family: inherit; font-size: 12px; }
.bpa-app .bpa-profile-line { stroke: color-mix(in srgb, var(--bpa-text) 25%, transparent); }
.bpa-app .bpa-active-line { stroke: var(--bpa-accent); }
.bpa-app .bpa-table-scroll { overflow-x: auto; max-width: 100%; margin: 16px 0; }
.bpa-app .bpa-table-frame { position: relative; margin: 16px 0; }
.bpa-app .bpa-table-frame > .bpa-table-scroll { margin: 0; }
.bpa-app .bpa-scroll-cues { display: none; }
.bpa-app table { width: 100%; border-collapse: separate; border-spacing: 3px; font-size: .81rem; font-variant-numeric: tabular-nums; }
.bpa-app th { font-weight: 600; text-align: left; color: var(--bpa-title); padding: 8px; }
.bpa-app td { padding: 8px; text-align: center; color: var(--bpa-text); }
@media screen {
  .bpa-app .bpa-scroll-cues {
    display: block; position: absolute; top: 0; left: 0; z-index: 4; pointer-events: none;
  }
  .bpa-app .bpa-scroll-cue { position: absolute; pointer-events: none; }
  .bpa-app .bpa-scroll-cue-top, .bpa-app .bpa-scroll-cue-bottom {
    left: var(--bpa-pinned-width); right: 0; height: 24px;
  }
  .bpa-app .bpa-scroll-cue-left, .bpa-app .bpa-scroll-cue-right {
    top: var(--bpa-heading-height); bottom: 0; width: 24px;
  }
  .bpa-app .bpa-scroll-cue-top {
    top: var(--bpa-heading-height); background: linear-gradient(to bottom, var(--bpa-bg), transparent);
  }
  .bpa-app .bpa-scroll-cue-bottom {
    bottom: 0; background: linear-gradient(to top, var(--bpa-bg), transparent);
  }
  .bpa-app .bpa-scroll-cue-left {
    left: var(--bpa-pinned-width); background: linear-gradient(to right, var(--bpa-bg), transparent);
  }
  .bpa-app .bpa-scroll-cue-right {
    right: 0; background: linear-gradient(to left, var(--bpa-bg), transparent);
  }
  .bpa-app .bpa-table-scroll {
    position: relative; isolation: isolate; overflow: auto;
    max-height: min(70vh, 720px); max-height: min(70svh, 720px);
    scroll-padding-top: 5rem;
  }
  .bpa-app .bpa-table-scroll tr > :first-child {
    position: sticky; left: 0; z-index: 1; background: var(--bpa-bg);
    box-shadow: 3px 0 0 var(--bpa-bg), 4px 0 0 var(--bpa-border);
  }
  .bpa-app .bpa-table-scroll thead th {
    position: sticky; top: 0; z-index: 2; background: var(--bpa-bg);
    box-shadow: 0 3px 0 var(--bpa-bg), 0 4px 0 var(--bpa-border);
  }
  /* Keep the shared corner above both pinned axes. */
  .bpa-app .bpa-table-scroll thead th:first-child {
    z-index: 3;
    box-shadow: 3px 0 0 var(--bpa-bg), 4px 0 0 var(--bpa-border), 0 3px 0 var(--bpa-bg), 0 4px 0 var(--bpa-border);
  }
}
.bpa-app .bpa-matrix { min-width: 670px; }
.bpa-app .bpa-matrix th:not(:first-child) { text-align: center; }
.bpa-app .bpa-matrix td { white-space: nowrap; min-width: 47px; }
.bpa-app .bpa-matrix th:first-child { min-width: 145px; max-width: 200px; overflow-wrap: anywhere; }
.bpa-app .bpa-nad-table { min-width: 575px; }
.bpa-app .bpa-nad-table th:first-child { min-width: 62px; }
.bpa-app .bpa-csv { background: repeating-linear-gradient(135deg, var(--bpa-border) 0, var(--bpa-border) 3px, var(--bpa-bg) 3px, var(--bpa-bg) 8px); }
.bpa-app .bpa-missing { background: color-mix(in srgb, var(--bpa-border) 45%, var(--bpa-bg)); }
.bpa-app .bpa-cell-status { display: block; font-size: .74rem; margin-top: 3px; }
.bpa-app .bpa-marker-table { min-width: 565px; }
.bpa-app .bpa-marker-table td { border-bottom: 1px solid var(--bpa-border); text-align: left; }
.bpa-app .bpa-downloads { display: flex; flex-wrap: wrap; gap: 8px 20px; border-top: 1px solid var(--bpa-border); padding-top: 18px; margin-top: 22px; font-size: .83rem; }
.bpa-app .bpa-legend { display: flex; gap: 10px 20px; flex-wrap: wrap; margin: 12px 0; font-size: .8rem; }
.bpa-app .bpa-swatch { display: inline-block; width: 16px; height: 12px; margin-right: 5px; vertical-align: middle; }
.bpa-app a, .bpa-article a { color: var(--bpa-accent); text-decoration: underline; text-underline-offset: 3px; }
.bpa-app .bpa-load { padding: 20px 0; }
@media(max-width: 650px) { .bpa-app .bpa-stages { grid-template-columns: minmax(0, 1fr); gap: 12px; } .bpa-app { padding: 14px; } .bpa-app select { font-size: 16px; } }
@media(prefers-reduced-motion: reduce) { .bpa-app button { transition: none; } }
@media print { .bpa-app .bpa-tabs, .bpa-app .bpa-controls { display: none; } .bpa-app { border: 0; padding: 0; } .bpa-app .bpa-table-scroll { overflow: visible; } .bpa-app table { min-width: 0; font-size: 8pt; } .bpa-app .bpa-cell-status { font-size: 7pt; } }