/* Tracer Study page body. Built on the shared V3 glass system (site-v3-glass.css: .v3-glass-hero/-section/-card/-list/-actions).
   Charts are pure SVG/CSS; no external libraries or fonts. */
#v3-main .tracer {
  --v3-glass-bg: linear-gradient(160deg, rgba(60, 140, 110, .20), rgba(0, 52, 43, .26));
  --v3-glass-bg-card: linear-gradient(160deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .04));
  --v3-glass-bg-card-hover: rgba(255, 255, 255, .13);
  --tr-mint: #9be8bd; --tr-mint-soft: rgba(155, 232, 189, .16);
  --tr-c0: #9be8bd; --tr-c1: #5ad7ff; --tr-c2: #ffd27a; --tr-c3: #c4a8ff; --tr-c4: #ff9fb0; --tr-c5: #8fa6c4;
  padding-block: clamp(20px, 3vw, 36px) clamp(36px, 6vw, 72px);
  color: var(--v3-text-primary);
}
#v3-main .tracer__inner { display: grid; gap: clamp(14px, 2vw, 22px); }
#v3-main .tracer__inner > * { min-width: 0; }
#v3-main .tracer__crumbs { width: var(--v3-panel-width); margin: 0 auto; }

#v3-main .tracer-h { margin: 0; color: #fff; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.25; font-weight: 600; letter-spacing: -.01em; overflow-wrap: anywhere; }
#v3-main .tracer-label { color: var(--tr-mint); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
#v3-main .tracer-muted { margin: 0; color: var(--v3-text-muted); font-size: 15px; line-height: 1.6; }
#v3-main .tracer-sechead { display: grid; gap: 10px; margin-bottom: 22px; }
#v3-main .tracer-summary { max-width: 52em; }

/* Hero + year selector */
#v3-main .tracer-hero__title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; min-width: 0; }
#v3-main .tracer-hero__title { margin: 0; color: #fff; font-size: clamp(30px, 4vw, 48px); line-height: 1.1; font-weight: 700; letter-spacing: -.02em; }
#v3-main .tracer-hero__badge { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; padding: 7px 12px; border: 1px solid rgba(155, 232, 189, .34); border-radius: 999px; background: linear-gradient(145deg, rgba(155, 232, 189, .14), rgba(255, 255, 255, .06)); -webkit-backdrop-filter: blur(14px) saturate(135%); backdrop-filter: blur(14px) saturate(135%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .16), 0 10px 24px -18px rgba(0, 0, 0, .8); color: var(--tr-mint); font-size: 13px; line-height: 1; white-space: nowrap; }
#v3-main .tracer-hero__badge-icon { flex: none; }
#v3-main .tracer-hero__badge-label { color: #effff6; font-weight: 600; letter-spacing: .01em; }
#v3-main .tracer-hero__badge-year { display: inline-flex; align-items: center; gap: 8px; color: var(--tr-mint); font-size: 11px; font-weight: 600; letter-spacing: .06em; }
#v3-main .tracer-hero__badge-year::before { width: 3px; height: 3px; border-radius: 50%; background: currentColor; content: ""; opacity: .78; }
#v3-main .tracer-hero__lead { margin: 16px 0 0; max-width: 40em; color: #d3dcea; font-size: 16px; line-height: 1.6; }
#v3-main .tracer-years { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
#v3-main .tracer-year { display: grid; gap: 2px; min-width: 132px; padding: 10px 18px; border-radius: 16px; border: 1px solid var(--v3-glass-border); background: rgba(255, 255, 255, .07); color: #fff; line-height: 1.2; transition: background .2s, border-color .2s; }
#v3-main .tracer-year:hover { background: rgba(255, 255, 255, .15); }
#v3-main .tracer-year__y { font-size: 20px; font-weight: 700; }
#v3-main .tracer-year__g { color: var(--v3-text-muted); font-size: 13px; }
#v3-main .tracer-year.is-active { background: linear-gradient(160deg, rgba(20, 120, 90, .85), rgba(0, 77, 64, .9)); border-color: rgba(155, 232, 189, .55); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3), 0 10px 28px -14px rgba(0, 0, 0, .8); }
#v3-main .tracer-year.is-active .tracer-year__g { color: var(--tr-mint); }

/* Facts + stat cards */
#v3-main .tracer-facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; }
#v3-main .tracer-facts div { display: grid; gap: 2px; }
#v3-main .tracer-facts dt { color: var(--v3-text-muted); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
#v3-main .tracer-facts dd { margin: 0; color: #fff; font-size: 15px; font-weight: 600; }
#v3-main .tracer-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: clamp(12px, 1.6vw, 18px); }
#v3-main .tracer-stat { display: grid; align-content: start; gap: 6px; padding: 20px; }
#v3-main .tracer-stat__value { color: #fff; font-size: clamp(32px, 3.6vw, 44px); line-height: 1; font-weight: 700; letter-spacing: -.02em; }
#v3-main .tracer-stat__value small { font-size: 15px; font-weight: 500; color: var(--v3-text-muted); letter-spacing: 0; }
#v3-main .tracer-stat__pct { color: var(--tr-mint); font-size: 18px; font-weight: 600; }
#v3-main .tracer-stat__label { color: #d3dcea; font-size: 14px; line-height: 1.4; }

/* Charts */
#v3-main .tracer-charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: clamp(12px, 1.6vw, 18px); margin-top: 20px; }
#v3-main .tracer-chart { margin: 0; padding: 20px; display: grid; gap: 14px; align-content: start; }
#v3-main .tracer-chart__title { color: #fff; font-size: 17px; font-weight: 600; }
#v3-main .tracer-chart__body { display: grid; grid-template-columns: minmax(0, 150px) minmax(0, 1fr); gap: 20px; align-items: center; }
#v3-main .tracer-chart[data-tracer-chart="bars"] .tracer-chart__body { grid-template-columns: minmax(0, 1fr); }
#v3-main .tracer-donut { width: 100%; max-width: 150px; height: auto; transform: rotate(0deg); }
#v3-main .tracer-donut__ring { stroke: rgba(255, 255, 255, .1); }
#v3-main .tracer-donut__seg { stroke: currentColor; }
#v3-main .tracer-legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
#v3-main .tracer-legend__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: baseline; font-size: 14px; }
#v3-main .tracer-legend__label { display: flex; align-items: center; gap: 8px; color: #d3dcea; overflow-wrap: anywhere; }
#v3-main .tracer-legend__val { color: #fff; font-weight: 600; white-space: nowrap; }
#v3-main .tracer-legend__pct { margin-left: 8px; color: var(--tr-mint); }
#v3-main .tracer-swatch { flex: none; width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
#v3-main .tracer-bar { grid-column: 1 / -1; height: 8px; border-radius: 999px; background: rgba(255, 255, 255, .1); overflow: hidden; }
#v3-main .tracer-bar__fill { display: block; height: 100%; border-radius: inherit; background: currentColor; }
#v3-main .tracer-c0 { color: var(--tr-c0); } #v3-main .tracer-c1 { color: var(--tr-c1); } #v3-main .tracer-c2 { color: var(--tr-c2); }
#v3-main .tracer-c3 { color: var(--tr-c3); } #v3-main .tracer-c4 { color: var(--tr-c4); } #v3-main .tracer-c5 { color: var(--tr-c5); }

/* Outcome / impact + findings */
#v3-main .tracer-oi { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: clamp(12px, 1.6vw, 18px); margin-top: 18px; }
#v3-main .tracer-oi__card { padding: 22px; display: grid; gap: 10px; align-content: start; }
#v3-main .tracer-oi__card h3, #v3-main .tracer-finding h3 { margin: 0; color: #fff; font-size: 18px; font-weight: 600; line-height: 1.3; }
#v3-main .tracer-oi__card p, #v3-main .tracer-finding p { margin: 0; color: #d3dcea; font-size: 15px; line-height: 1.65; }
#v3-main .tracer-source { margin: 14px 0 0; color: var(--v3-text-muted); font-size: 13px; }
#v3-main .tracer-findings { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
#v3-main .tracer-finding { padding: 18px 20px; display: grid; gap: 6px; }
#v3-main .tracer-findings + *, #v3-main [data-tracer-findings] > .tracer-muted { margin-top: 14px; }
#v3-main [data-tracer-outcome] > .tracer-muted { margin-top: 14px; }

/* Archive */
#v3-main .tracer-archive { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
#v3-main .tracer-doc { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 20px; padding: 18px 20px; }
#v3-main .tracer-doc__text { display: grid; gap: 4px; min-width: 0; flex: 1 1 280px; }
#v3-main .tracer-doc__title { margin: 0; color: #fff; font-size: 18px; font-weight: 600; line-height: 1.3; overflow-wrap: anywhere; }
#v3-main .tracer-doc__meta { margin: 0; color: var(--v3-text-muted); font-size: 14px; }
#v3-main .tracer-doc__actions { display: flex; flex-wrap: wrap; gap: 10px; }
#v3-main .tracer-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 999px; border: 1px solid var(--v3-glass-border); font-size: 14px; font-weight: 600; line-height: 1.2; color: #fff; background: rgba(255, 255, 255, .08); transition: background .2s; }
#v3-main .tracer-btn:hover { background: rgba(255, 255, 255, .17); }
#v3-main .tracer-btn--primary { background: linear-gradient(160deg, rgba(20, 120, 90, .85), rgba(0, 77, 64, .9)); border-color: rgba(155, 232, 189, .45); }
#v3-main .tracer-btn:focus-visible, #v3-main .tracer-year:focus-visible { outline: 2px solid var(--tr-mint); outline-offset: 2px; }

@media (max-width: 600px) {
  #v3-main .tracer-hero__title-row { align-items: flex-start; }
  #v3-main .tracer-hero__title { flex-basis: 100%; }
  #v3-main .tracer-chart__body { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  #v3-main .tracer-legend { justify-self: stretch; }
  #v3-main .tracer-year { flex: 1 1 calc(50% - 10px); min-width: 0; }
  #v3-main .tracer-doc__actions .tracer-btn { flex: 1 1 140px; justify-content: center; }
}