:root {
  --ink: #182428;
  --muted: #647277;
  --line: #dce5e5;
  --paper: #ffffff;
  --wash: #f2f7f6;
  --accent: #087e78;
  --accent-dark: #075f5b;
  --accent-soft: #dff3f0;
  --danger: #9c2f2f;
  --danger-bg: #fff0ef;
  --warning-bg: #fff8e7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--wash);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #edf6f4 0, var(--wash) 21rem); }
button, input, select { font: inherit; }
button, select, .file-picker { border-radius: .55rem; }
button { border: 0; background: var(--accent); color: white; padding: .72rem 1.05rem; font-weight: 700; cursor: pointer; }
button:hover { background: var(--accent-dark); }
button:disabled { opacity: .58; cursor: wait; }
button.secondary { color: var(--accent-dark); background: var(--paper); border: 1px solid var(--line); }

.site-header { height: 4.25rem; padding: 0 max(1.25rem, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.9); border-bottom: 1px solid var(--line); }
.header-links, .footer-links { display: flex; align-items: center; gap: .8rem; }
.site-link { color: var(--accent-dark); text-decoration: underline; text-decoration-color: rgba(7,95,91,.35); text-underline-offset: .16em; }
.site-link:hover { color: var(--accent); text-decoration-color: currentColor; }
.brand { color: var(--ink); text-decoration: none; font-weight: 750; display: flex; align-items: center; gap: .65rem; }
.brand-mark { display: block; width: 2.15rem; height: 2.15rem; border-radius: .58rem; object-fit: contain; box-shadow: 0 2px 7px rgba(53,37,68,.18); }
.product-label { color: var(--muted); font-size: .9rem; }
main { width: min(1180px, calc(100% - 2rem)); margin: 3rem auto; }

.upload-panel { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; max-width: 980px; margin: 5rem auto; background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 1.2rem; padding: clamp(1.5rem, 5vw, 4rem); box-shadow: 0 22px 65px rgba(43,78,77,.09); }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .75rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.06; letter-spacing: -.035em; }
h2 { margin-bottom: .4rem; font-size: 1.45rem; }
.eyebrow { color: var(--accent-dark); margin-bottom: .55rem; font-weight: 800; font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; }
.lede { color: var(--muted); max-width: 58ch; line-height: 1.6; }
#upload-form { display: grid; gap: .9rem; }
.file-picker { display: grid; place-items: center; min-height: 8rem; padding: 1rem; color: var(--accent-dark); background: var(--accent-soft); border: 1px dashed #6cb0aa; text-align: center; font-weight: 650; cursor: pointer; }
.file-picker input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; }
.upload-note { color: var(--muted); font-size: .78rem; line-height: 1.45; }
.notice { padding: .8rem 1rem; border-radius: .55rem; background: #eaf0f1; color: var(--ink); }
.notice.error { grid-column: 1 / -1; color: var(--danger); background: var(--danger-bg); }
.notice.warning { margin-bottom: 1rem; background: var(--warning-bg); }

.viewer-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: start; margin-bottom: 1.5rem; }
.workspace-tabs { display: flex; gap: .35rem; margin: 0 0 1rem; padding: .3rem; width: fit-content; border: 1px solid var(--line); border-radius: .7rem; background: rgba(255,255,255,.75); }
.workspace-tabs button { color: var(--muted); background: transparent; padding: .6rem 1rem; }
.workspace-tabs button:hover { color: var(--ink); background: var(--paper); }
.workspace-tabs button[aria-selected="true"] { color: white; background: var(--accent); }
.workspace-layout { display: grid; grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr); gap: 1rem; align-items: start; }
.workspace-content { min-width: 0; }
.selection-sidebar { position: sticky; top: 1rem; padding: 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: .7rem; }
.selection-sidebar h2 { margin-bottom: .9rem; }
.selection-list { display: grid; gap: .4rem; max-height: min(65vh, 38rem); margin: 0; padding: 0; overflow-y: auto; list-style: none; }
.selection-item { display: grid; gap: .25rem; width: 100%; padding: .8rem; color: var(--ink); background: transparent; border: 1px solid transparent; text-align: left; }
.selection-item:hover { color: var(--ink); background: var(--wash); border-color: var(--line); }
.selection-item[aria-current="true"] { color: var(--accent-dark); background: var(--accent-soft); border-color: #8ac5c0; box-shadow: inset 3px 0 var(--accent); }
.selection-primary { font-size: .9rem; font-weight: 750; line-height: 1.25; overflow-wrap: anywhere; }
.selection-secondary { color: var(--muted); font-size: .76rem; font-weight: 500; line-height: 1.4; }
.experiment-bar { display: flex; align-items: center; gap: .7rem; padding: .85rem 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: .7rem .7rem 0 0; }
.experiment-bar label, .member-heading label { display: block; color: var(--muted); font-weight: 700; font-size: .82rem; }
select { min-width: 13rem; padding: .55rem 2rem .55rem .7rem; color: var(--ink); background: white; border: 1px solid #b9c8c8; }
input[type="number"] { width: 10rem; padding: .55rem .7rem; color: var(--ink); background: white; border: 1px solid #b9c8c8; border-radius: .55rem; }
.overview-card { display: grid; grid-template-columns: minmax(13rem, .65fr) 1.35fr; gap: 2rem; padding: 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: .7rem .7rem 0 0; }
.experiment-bar:not([hidden]) + .overview-card { border-top: 0; border-radius: 0; }
.experiment-heading, .overview-card > .overview-grid, .comments-block { grid-column: 1 / -1; }
.experiment-heading h2 { max-width: none; }
.muted { color: var(--muted); }
.overview-grid { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(7rem, 1fr)); gap: 1rem; }
.overview-grid div { min-width: 0; }
dt { color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
dd { margin: .25rem 0 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.metric-label { text-transform: none; }
.tabs { display: flex; gap: .25rem; padding: .55rem .75rem 0; border-inline: 1px solid var(--line); background: var(--paper); overflow-x: auto; }
.tabs button { color: var(--muted); background: transparent; border-radius: .4rem .4rem 0 0; padding: .7rem 1rem; }
.tabs button:hover { color: var(--ink); background: var(--wash); }
.tabs button[aria-selected="true"] { color: var(--accent-dark); background: var(--accent-soft); }
.view-panel { min-height: 34rem; padding: 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: 0 0 .7rem .7rem; }
.trace-mode-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: .25rem; margin-bottom: .5rem; }
.trace-mode-controls span { margin-right: .4rem; color: var(--muted); font-size: .78rem; font-weight: 700; }
.trace-mode-controls .control-divider { margin-left: .65rem; padding-left: .9rem; border-left: 1px solid var(--line); }
.trace-mode-controls button { padding: .45rem .8rem; color: var(--muted); background: var(--wash); border: 1px solid var(--line); }
.trace-mode-controls button:hover { color: var(--ink); background: var(--paper); }
.trace-mode-controls button[aria-pressed="true"] { color: white; background: var(--accent); border-color: var(--accent); }
.processing-description { margin: .2rem 0 1rem; max-width: 78ch; font-size: .86rem; line-height: 1.5; }
.plot { width: 100%; min-height: 33rem; }
.fit-plot-summary { display: flex; flex-wrap: wrap; gap: .45rem 1.5rem; margin: .25rem 0 .4rem; padding: .65rem .8rem; background: var(--wash); border-radius: .45rem; }
.fit-plot-summary div { display: flex; align-items: baseline; gap: .4rem; }
.fit-plot-summary dt { flex: none; }
.fit-plot-summary dd { margin: 0; font-size: .9rem; }
.parameters { border-top: 1px solid var(--line); padding-top: 1rem; }
.parameters h3 { margin: 0 0 .75rem; }
.parameter-section + .parameter-section { margin-top: 1.6rem; }
.parameters table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.parameters th, .parameters td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); }
.parameters th { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.parameter-status { display: inline-block; padding: .18rem .48rem; border-radius: 999px; color: var(--muted); background: var(--wash); font-size: .75rem; white-space: nowrap; }
.parameter-status-locked { color: #76541d; background: #fff1cf; }
.metadata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; }
.metadata-grid div { padding: .8rem .7rem; border-bottom: 1px solid var(--line); }

.results-workspace { display: block; }
.results-content { display: grid; gap: 1rem; }
.member-heading label { margin-bottom: .35rem; }
.result-card { min-width: 0; padding: 1.35rem; background: var(--paper); border: 1px solid var(--line); border-radius: .7rem; }
.result-heading { display: grid; grid-template-columns: 1fr minmax(15rem, .75fr); gap: 1.2rem 2rem; }
.result-heading .overview-grid, .result-comments, .result-heading .notice { grid-column: 1 / -1; }
.comments-block { padding: .8rem 1rem; background: var(--wash); border-left: 3px solid #9ab9b6; border-radius: .35rem; }
.comments-label { margin: 0 0 .3rem; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.comments-text { margin: 0; color: var(--ink); line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
.validity-banner { align-self: start; padding: .85rem 1rem; border-radius: .55rem; font-size: .9rem; }
.validity-banner ul { margin: .45rem 0 0; padding-left: 1.2rem; }
.validity-valid { color: #17613e; background: #e9f7ef; }
.validity-partialInvalid { color: #745513; background: var(--warning-bg); }
.validity-warning { color: #745513; background: var(--warning-bg); }
.validity-invalid { color: var(--danger); background: var(--danger-bg); }
.validity-unknown { color: var(--muted); background: #eef2f3; }
.section-heading { display: flex; align-items: start; justify-content: space-between; gap: 1.5rem; margin-bottom: .5rem; }
.section-heading > p { margin-top: .25rem; }
.result-comparison-plot { min-height: 29rem; }
.correlation-card { overflow: hidden; }
.correlation-plot-scroll { max-width: 100%; margin: .85rem 0 .25rem; overflow-x: auto; border: 1px solid var(--line); border-radius: .55rem; background: var(--paper); }
.correlation-plot-scroll:focus { outline: 3px solid rgba(8,126,120,.25); outline-offset: 2px; }
.correlation-plot { min-height: 0; }
.correlation-warnings { margin: .85rem 0 0; padding: .7rem .9rem .7rem 2rem; border-radius: .5rem; color: #745513; background: var(--warning-bg); line-height: 1.5; }
.correlation-details { grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); margin-top: 1rem; padding-top: .75rem; border-top: 1px solid var(--line); }
.advanced-analysis-tabs { display: flex; flex-wrap: wrap; gap: .35rem; margin: .8rem 0 1rem; }
.advanced-analysis-tabs button { padding: .5rem .85rem; color: var(--muted); background: var(--wash); border: 1px solid var(--line); }
.advanced-analysis-tabs button[aria-selected="true"] { color: white; background: var(--accent); border-color: var(--accent); }
.advanced-analysis-summary { margin: .5rem 0 1rem; padding: .8rem; background: var(--wash); border-radius: .55rem; }
.advanced-analysis-metadata { grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); }
.advanced-parameter-table { margin-top: .8rem; background: var(--paper); }
.table-scroll.advanced-parameter-table table { width: 100%; min-width: 0; table-layout: fixed; }
.table-scroll.advanced-parameter-table th, .table-scroll.advanced-parameter-table td { min-width: 0; white-space: normal; overflow-wrap: break-word; word-break: normal; }
.table-scroll.advanced-parameter-table th:first-child, .table-scroll.advanced-parameter-table td:first-child { position: static; width: 28%; min-width: 0; max-width: none; background: inherit; box-shadow: none; }
.table-scroll.advanced-parameter-table th:nth-child(2) { width: 22%; }
.table-scroll.advanced-parameter-table th:nth-child(3) { width: 20%; }
.table-scroll.advanced-parameter-table th:nth-child(4) { width: 30%; }
.table-scroll { max-width: 100%; margin-top: 1rem; overflow-x: auto; border: 1px solid var(--line); border-radius: .55rem; }
.table-scroll:focus { outline: 3px solid rgba(8,126,120,.25); outline-offset: 2px; }
.table-scroll table { min-width: 100%; width: max-content; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table-scroll th, .table-scroll td { min-width: 10rem; padding: .7rem .75rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.table-scroll th:first-child, .table-scroll td:first-child { position: sticky; left: 0; width: min(18rem, 42vw); min-width: 13rem; max-width: min(18rem, 42vw); white-space: normal; overflow-wrap: anywhere; background: var(--paper); box-shadow: 1px 0 var(--line); z-index: 1; }
.table-scroll th { color: var(--muted); background: #f8fafa; font-size: .72rem; letter-spacing: .03em; text-transform: uppercase; }
.table-scroll small { color: var(--muted); white-space: nowrap; }
.member-heading { align-items: end; }
.details-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.details-columns h3 { margin: .5rem 0 .8rem; font-size: 1rem; }
.details-grid { margin: 0; }
.details-grid div { padding: .6rem 0; border-bottom: 1px solid var(--line); }
footer { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: .45rem 1rem; padding: 2rem 1rem 3rem; color: var(--muted); text-align: center; font-size: .82rem; }

@media (max-width: 760px) {
  main { margin-top: 1.5rem; }
  .upload-panel { grid-template-columns: 1fr; gap: 1.5rem; margin: 2rem auto; }
  .viewer-heading { display: block; }
  .viewer-heading button { margin-bottom: 1rem; }
  .workspace-layout { grid-template-columns: 1fr; }
  .selection-sidebar { position: static; }
  .selection-list { max-height: 18rem; }
  .experiment-bar { align-items: stretch; flex-direction: column; }
  select { width: 100%; }
  .overview-card { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metadata-grid { grid-template-columns: 1fr; }
  .result-heading, .details-columns { grid-template-columns: 1fr; }
  .result-heading .overview-grid { grid-column: 1; }
  .section-heading { display: block; }
  .member-heading select { margin-bottom: 1rem; }
  .table-scroll.advanced-parameter-table th, .table-scroll.advanced-parameter-table td { padding: .6rem .3rem; }
  .table-scroll.advanced-parameter-table td { font-size: .9rem; }
  .table-scroll.advanced-parameter-table th:first-child, .table-scroll.advanced-parameter-table td:first-child { width: 38%; }
  .table-scroll.advanced-parameter-table th:nth-child(2) { width: 17%; }
  .table-scroll.advanced-parameter-table th:nth-child(3) { width: 14%; }
  .table-scroll.advanced-parameter-table th:nth-child(4) { width: 31%; }
  .product-label { display: none; }
  .header-links { gap: 0; }
}

@media (max-width: 540px) {
  .table-scroll.advanced-parameter-table { overflow-x: visible; }
  .table-scroll.advanced-parameter-table table, .table-scroll.advanced-parameter-table tbody { display: block; }
  .table-scroll.advanced-parameter-table thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .table-scroll.advanced-parameter-table tr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: .25rem 0; border-bottom: 1px solid var(--line); }
  .table-scroll.advanced-parameter-table tr:last-child { border-bottom: 0; }
  .table-scroll.advanced-parameter-table td { display: block; width: auto; padding: .45rem .6rem; border-bottom: 0; overflow-wrap: break-word; }
  .table-scroll.advanced-parameter-table td:first-child { grid-column: 1 / -1; width: auto; padding-bottom: .15rem; font-weight: 700; }
  .table-scroll.advanced-parameter-table td:nth-child(4) { grid-column: 1 / -1; }
  .table-scroll.advanced-parameter-table td:not(:first-child)::before { content: attr(data-label); display: block; margin-bottom: .15rem; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
}