.science-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}
.science-controls label{margin:0;font-size:14px;line-height:1.6}
.science-controls input{margin-top:8px;font-size:16px}
.cal-equation{padding:16px 18px;background:#0b1925;border:1px solid #3c5b6a;border-radius:5px;font-size:16px;color:#d4e9eb}
.cal-readout{padding:18px 0}
.cal-readout strong{font-size:1.5rem;color:#b7e5e6}
.cal-readout p{margin-top:12px;margin-bottom:0}
[data-cal-warning]{color:#ffd28e}
.resource-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.resource-links>a{display:block;padding:24px;border:1px solid #385161;border-radius:6px;background:#101f2d}
.resource-links strong{display:block;font-size:1.05rem;line-height:1.5;color:#e0edf2}
.resource-links span{display:block;font-size:16px;color:#afc3ce;margin-top:10px;line-height:1.7}
.resource-links a:hover{border-color:#8cbcc1}
.resource-review{font-size:14px;color:#b6c6d0}
.resource-source-list{font-size:14px;line-height:1.8}
.article-body section>h2{scroll-margin-top:85px}
@media(max-width:620px){.science-controls,.resource-links{grid-template-columns:1fr}.resource-links>a{padding:22px}}

/* Match the portfolio's restrained dark instrument panels. The 3D scene keeps a
   neutral background so instrument geometry and numbered components stay clear. */
.article-body .hsi-lab {--hsi-ink:#e8edf5;--hsi-muted:#b7c5d8;--hsi-line:#34465e;--hsi-pale:#132238;--hsi-accent:#74e4d4;background:#0e1a2c;color-scheme:dark;border-radius:14px}
.article-body .hsi-lab p {color:var(--hsi-muted)}
.article-body .hsi-lab__field :is(input,select),.article-body .hsi-lab__button {background:#132238;color:var(--hsi-ink);border-color:#52677e}
.article-body .hsi-lab__button:hover:not(:disabled){background:#1d354b}
.article-body .hsi-lab__button--primary {background:#74e4d4;color:#08221e;border-color:#74e4d4}
.article-body .hsi-lab__button--primary:hover:not(:disabled){background:#a6efe4;color:#08221e}
.article-body .hsi-lab__acquisition,.article-body .hsi-lab__metrics{background:#132238;border-color:var(--hsi-line)}
.article-body .hsi-lab__band{background:#132238;color:#b7c5d8;border-color:#52677e}
.article-body .hsi-lab__band.is-acquired{background:#1a453f;color:#b5eee3}
.article-body .hsi-lab__activate-card p {color:#fff}
.article-body .hsi-lab__scene-tag{color:#405d73}
.article-body .hsi-lab__field input:disabled {color:#899bad}

.calibration-panel .science-controls label{display:block}
.article-body :is(.hsi-lab,.recon-sandbox) select{min-width:0;max-width:100%;color-scheme:dark}
.article-body :is(.hsi-lab,.recon-sandbox) select option{background:#132238;color:#e8edf5}
.hsi-lab {
  --hsi-ink: #142d45;
  --hsi-muted: #52697d;
  --hsi-line: #d6e1e9;
  --hsi-pale: #f2f6f9;
  --hsi-accent: #155b77;
  color: var(--hsi-ink);
  font-size: 16px;
  line-height: 1.55;
  margin-block: 3rem;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--hsi-line);
  border-radius: 18px;
  background: #fff;
  scroll-margin-top: 100px;
}
.hsi-lab *, .hsi-lab *::before, .hsi-lab *::after { box-sizing: border-box; }
.hsi-lab [hidden] { display: none !important; }
.hsi-lab__heading { max-width: 820px; }
.hsi-lab__eyebrow { margin: 0 0 8px; font-size: 14px; font-weight: 700; color: var(--hsi-accent); letter-spacing: .08em; text-transform: uppercase; }
.hsi-lab h2 { margin: 0 0 12px; color: var(--hsi-ink); font-size: clamp(25px, 3vw, 34px); line-height: 1.2; letter-spacing: -.025em; }
.hsi-lab__heading > p:last-child { margin: 0 0 24px; }
.hsi-lab__controls { display: grid; grid-template-columns: minmax(240px, 1.65fr) repeat(3, minmax(110px, .8fr)); gap: 14px; }
.hsi-lab__field { min-width: 0; display: flex; flex-wrap: wrap; gap: 5px; align-content: start; font-size: 14px; font-weight: 650; }
.hsi-lab__unit { color: var(--hsi-muted); font-weight: 400; }
.hsi-lab__field input, .hsi-lab__field select { width: 100%; min-height: 44px; margin: 0; padding: 10px 12px; border: 1px solid #a7bbc9; border-radius: 7px; color: var(--hsi-ink); background: #fff; font: inherit; font-size: 16px; font-weight: 400; }
.hsi-lab__field input:disabled { background: var(--hsi-pale); color: #728797; }
.hsi-lab__field:has(input:disabled) { color: #728797; }
.hsi-lab__mode-note { min-height: 48px; margin: 16px 0 20px; color: var(--hsi-muted); }
.hsi-lab__workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, 280px); gap: 24px; align-items: start; }
.hsi-lab__instrument { min-width: 0; }
.hsi-lab__viewport { width: 100%; max-width: 100%; min-width: 0; position: relative; overflow: hidden; min-height: 300px; aspect-ratio: 4 / 3; border: 1px solid var(--hsi-line); border-radius: 12px; background: #edf3f7; }
.hsi-lab__fallback, .hsi-lab__scene { position: absolute; inset: 0; }
.hsi-lab__fallback-diagram { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.hsi-lab__fallback img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.hsi-lab__fallback::after { content: ''; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(14, 35, 52, .75)); pointer-events: none; }
.hsi-lab__activate-card { position: absolute; z-index: 1; left: 20px; right: 20px; bottom: 20px; color: #fff; }
.hsi-lab__activate-card p { margin: 0 0 12px; max-width: 440px; text-shadow: 0 1px 4px #142d45; }
.hsi-lab__scene canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.hsi-lab__scene-tag { position: absolute; left: 12px; bottom: 12px; padding: 5px 8px; border: 1px solid #d6e1e9; border-radius: 5px; background: rgba(255,255,255,.9); color: #405d73; font-size: 12px; pointer-events: none; }
.hsi-lab__viewbar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.hsi-lab__button { min-height: 44px; padding: 9px 14px; border: 1px solid #aac0cf; border-radius: 7px; color: var(--hsi-ink); background: #fff; font: inherit; font-size: 14px; font-weight: 650; cursor: pointer; }
.hsi-lab__button:hover:not(:disabled) { background: #eaf2f6; border-color: var(--hsi-accent); }
.hsi-lab__button--primary { color: #fff; background: var(--hsi-accent); border-color: var(--hsi-accent); }
.hsi-lab__button--primary:hover:not(:disabled) { color: #fff; background: #0f4962; }
.hsi-lab__button:disabled { opacity: .5; cursor: default; }
.hsi-lab :is(button, input, select):focus-visible { outline: 3px solid #df9e33; outline-offset: 3px; }
.hsi-lab__interaction { margin: 10px 0 14px; font-size: 14px; color: var(--hsi-muted); }
.hsi-lab__legend { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin: 0; font-size: 14px; color: var(--hsi-muted); }
.hsi-lab__legend li { display: flex; align-items: center; gap: 6px; }
.hsi-lab__legend span { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #203f58; color: #fff; font-size: 12px; font-weight: 700; }
.hsi-lab__acquisition { padding: 16px; border: 1px solid var(--hsi-line); border-radius: 12px; background: #f8fafc; }
.hsi-lab__grid-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; margin-bottom: 12px; }
.hsi-lab h3 { font-size: 16px; line-height: 1.3; margin: 0; }
.hsi-lab__grid-heading > span { font-size: 14px; font-variant-numeric: tabular-nums; color: var(--hsi-accent); }
.hsi-lab__grid-wrap { display: flex; justify-content: center; background: #e5edf3; border-radius: 6px; overflow: hidden; }
.hsi-lab__grid-wrap canvas { display: block; width: 100%; height: auto; max-height: 360px; object-fit: contain; }
.hsi-lab__grid-note { margin: 12px 0 0; font-size: 14px; color: var(--hsi-muted); }
.hsi-lab__bands { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; margin-top: 12px; }
.hsi-lab__band { display: block; padding: 4px 2px; border: 1px solid #c2d2df; border-radius: 4px; background: #fff; color: var(--hsi-muted); text-align: center; font-size: 12px; font-variant-numeric: tabular-nums; }
.hsi-lab__band.is-acquired { background: #e1efed; border-color: #94b6ad; color: #245947; }
.hsi-lab__band.is-current { outline: 2px solid #d58b25; outline-offset: 1px; }
.hsi-lab__transport { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.hsi-lab__status { flex: 1 1 300px; margin: 0 0 0 6px; color: var(--hsi-muted); font-size: 14px; }
.hsi-lab__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; padding: 20px; border: 1px solid #d5e4eb; border-radius: 10px; background: #f1f7fa; }
.hsi-lab__metrics > div { display: flex; flex-direction: column; gap: 4px; }
.hsi-lab__metrics span, .hsi-lab__metrics small { font-size: 14px; color: var(--hsi-muted); }
.hsi-lab__metrics strong { font-size: 24px; line-height: 1.25; font-variant-numeric: tabular-nums; }
.hsi-lab__boundary { margin: 16px 0 0; color: var(--hsi-muted); font-size: 14px; }
@media (max-width: 900px) { .hsi-lab__controls { grid-template-columns: repeat(3, minmax(0, 1fr)); } .hsi-lab__mode { grid-column: 1 / -1; } .hsi-lab__workspace { grid-template-columns: minmax(0, 1fr) 230px; gap: 16px; } }
@media (max-width: 700px) { .hsi-lab { padding: 20px 16px; border-radius: 12px; } .hsi-lab__workspace { grid-template-columns: 1fr; } .hsi-lab__viewport { aspect-ratio: 4 / 3; min-height: 260px; } .hsi-lab__acquisition { display: grid; grid-template-columns: minmax(120px, 180px) minmax(0, 1fr); gap: 12px 16px; } .hsi-lab__grid-heading { grid-column: 1 / -1; margin: 0; } .hsi-lab__grid-wrap { grid-column: 1; grid-row: 2 / 4; align-self: start; } .hsi-lab__grid-note { grid-column: 2; grid-row: 2; margin: 0; } .hsi-lab__bands { grid-column: 2; grid-row: 3; grid-template-columns: repeat(2, 1fr); margin: 0; align-self: end; } .hsi-lab__metrics { grid-template-columns: 1fr; gap: 16px; } .hsi-lab__status { margin: 4px 0 0; } }
@media (max-width: 410px) { .hsi-lab__controls { gap: 10px; } .hsi-lab__field { font-size: 14px; } .hsi-lab__field input { padding-inline: 8px; } .hsi-lab__acquisition { grid-template-columns: 120px minmax(0, 1fr); gap: 12px; } .hsi-lab__viewbar { display: grid; grid-template-columns: 1fr 1fr; } .hsi-lab__viewbar > button:first-child { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { .hsi-lab *, .hsi-lab *::before, .hsi-lab *::after { scroll-behavior: auto; transition: none; animation: none; } }
.recon-sandbox {
  --recon-surface: #0e1a2c;
  --recon-panel: #132238;
  --recon-text: #e8edf5;
  --recon-muted: #b7c5d8;
  --recon-border: #34465e;
  --recon-cyan: #5bdce9;
  --recon-amber: #ffc363;
  --recon-violet: #c2a7ff;
  color: var(--recon-text);
  background: var(--recon-surface);
  border: 1px solid var(--recon-border);
  border-radius: 20px;
  padding: clamp(20px, 4vw, 40px);
  margin-block: 36px;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.6;
  color-scheme: dark;
}
.recon-sandbox [hidden] { display: none !important; }
.recon-sandbox * { box-sizing: border-box; }
.recon-sandbox .recon-eyebrow {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.065em;
  color: var(--recon-cyan);
  text-transform: uppercase;
}
.recon-sandbox h2 {
  margin: 0 0 12px;
  color: var(--recon-text);
  font-size: clamp(24px, 3.1vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.recon-sandbox p { margin: 12px 0; font-size: 16px; }
.recon-sandbox .recon-intro > p:last-child { color: var(--recon-muted); max-width: 78ch; }
.recon-sandbox .recon-controls {
  margin: 24px 0 20px;
  min-width: 0;
  padding: 16px 18px 20px;
  border: 1px solid var(--recon-border);
  border-radius: 12px;
}
.recon-sandbox .recon-controls legend { padding-inline: 8px; font-size: 16px; font-weight: 650; }
.recon-sandbox .recon-control-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.recon-sandbox .recon-control { min-width: 0; }
.recon-sandbox label { display: block; margin-bottom: 7px; font-size: 16px; font-weight: 600; }
.recon-sandbox select {
  width: 100%;
  min-height: 46px;
  padding: 10px 32px 10px 12px;
  border: 1px solid #52677e;
  border-radius: 8px;
  background: var(--recon-panel);
  color: var(--recon-text);
  font: inherit;
  font-size: 16px;
}
.recon-sandbox select:focus-visible,
.recon-sandbox input:focus-visible,
.recon-sandbox .recon-chart-scroll:focus-visible,
.recon-sandbox .recon-table-scroll:focus-visible {
  outline: 3px solid var(--recon-cyan);
  outline-offset: 4px;
}
.recon-sandbox .recon-control-range { grid-column: 1 / -1; }
.recon-sandbox .recon-range-label { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.recon-sandbox .recon-range-label output { color: var(--recon-cyan); font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.recon-sandbox input[type="range"] { display: block; width: 100%; min-height: 34px; margin: 0; accent-color: var(--recon-cyan); cursor: pointer; }
.recon-sandbox .recon-hint { margin: 6px 0 8px; color: var(--recon-muted); font-size: 14px; }
.recon-sandbox .recon-status { border-left: 3px solid var(--recon-cyan); padding: 10px 14px; background: var(--recon-panel); border-radius: 0 8px 8px 0; }
.recon-sandbox .recon-fallback { color: var(--recon-muted); }
.recon-sandbox .recon-legend { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 20px 0 12px; padding: 0; list-style: none; }
.recon-sandbox .recon-legend li { display: inline-flex; align-items: center; gap: 9px; font-size: 14px; }
.recon-sandbox .recon-legend-mark { flex: 0 0 auto; width: 24px; height: 0; border-top: 3px solid #a5afbf; }
.recon-sandbox .recon-legend-observed { width: 12px; height: 12px; border: 1px solid #173d48; border-radius: 50%; background: var(--recon-cyan); }
.recon-sandbox .recon-legend-hidden { width: 11px; height: 11px; border: 1px solid #795013; transform: rotate(45deg); background: var(--recon-amber); margin-inline: 1px; }
.recon-sandbox .recon-legend-error { border-top: 3px dashed var(--recon-violet); }
.recon-sandbox .recon-chart-scroll { overflow-x: auto; border: 1px solid var(--recon-border); border-radius: 12px; background: #0a1424; scrollbar-color: #62778f #0a1424; }
.recon-sandbox .recon-chart { display: block; width: 100%; min-width: 620px; height: auto; overflow: visible; }
.recon-sandbox .recon-svg-label { fill: #c4d0df; font-family: inherit; font-size: 23px; }
.recon-sandbox .recon-svg-heading { fill: var(--recon-text); font-family: inherit; font-size: 24px; font-weight: 600; }
.recon-sandbox .recon-gridline { stroke: #27364c; stroke-width: 1; }
.recon-sandbox .recon-axis { stroke: #718199; stroke-width: 1.5; }
.recon-sandbox .recon-truth-line { stroke: #a5afbf; stroke-width: 3.5; fill: none; stroke-linejoin: round; }
.recon-sandbox .recon-observed-point { fill: var(--recon-cyan); stroke: #153d48; stroke-width: 1.2; }
.recon-sandbox .recon-hidden-point { fill: var(--recon-amber); stroke: #795013; stroke-width: 1.2; }
.recon-sandbox .recon-error-line { fill: none; stroke: var(--recon-violet); stroke-width: 3; stroke-dasharray: 7 5; stroke-linejoin: round; }
.recon-sandbox .recon-error-point { fill: var(--recon-violet); }
.recon-sandbox .recon-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 20px 0; }
.recon-sandbox .recon-metrics > div { padding: 14px 16px; border: 1px solid var(--recon-border); border-radius: 10px; background: var(--recon-panel); }
.recon-sandbox .recon-metrics dt { color: var(--recon-muted); font-size: 14px; }
.recon-sandbox .recon-metrics dd { margin: 6px 0 0; color: var(--recon-text); font-size: clamp(23px, 3vw, 30px); line-height: 1.2; font-weight: 700; font-variant-numeric: tabular-nums; }
.recon-sandbox .recon-metrics span { color: var(--recon-muted); font-size: 14px; }
.recon-sandbox .recon-insight { max-width: 82ch; }
.recon-sandbox .recon-table-scroll { overflow-x: auto; margin: 20px 0 24px; }
.recon-sandbox .recon-table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 16px; font-variant-numeric: tabular-nums; }
.recon-sandbox .recon-table caption { text-align: left; margin-bottom: 10px; color: var(--recon-text); font-weight: 600; }
.recon-sandbox .recon-table th,
.recon-sandbox .recon-table td { padding: 11px 12px; border-bottom: 1px solid var(--recon-border); text-align: right; }
.recon-sandbox .recon-table th { color: var(--recon-muted); background: var(--recon-panel); font-size: 14px; font-weight: 600; }
.recon-sandbox .recon-table th:first-child,
.recon-sandbox .recon-table td:first-child { text-align: left; }
.recon-sandbox .recon-caption { color: var(--recon-muted); max-width: 85ch; }
.recon-sandbox .recon-caption strong { color: var(--recon-text); }
@media (max-width: 760px) {
  .recon-sandbox .recon-control-grid { grid-template-columns: 1fr; }
  .recon-sandbox .recon-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .recon-sandbox .recon-controls { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .recon-sandbox *, .recon-sandbox *::before, .recon-sandbox *::after { scroll-behavior: auto !important; }
}

.recon-sandbox .recon-control-grid>.recon-control:nth-child(3){grid-column:1 / -1}