:root {
  color-scheme: light dark;
  --canvas: #f4f6f4;
  --surface: #ffffff;
  --surface-muted: #eaf0ed;
  --ink: #13211c;
  --muted: #52635a;
  --line: #c4d1c9;
  --accent: #087a61;
  --accent-soft: #ccebe1;
  --alert: #8b3c1f;
  --alert-soft: #f7ddd1;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #111815;
    --surface: #19231e;
    --surface-muted: #213129;
    --ink: #edf5ef;
    --muted: #b6c7bd;
    --line: #385044;
    --accent: #58c7aa;
    --accent-soft: #183d33;
    --alert: #f3a27f;
    --alert-soft: #4a291f;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
a { color: var(--accent); font-weight: 750; }
button, select, input, textarea { font: inherit; }
button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip-link { position: absolute; inset-block-start: -5rem; inset-inline-start: 1rem; z-index: 10; border-radius: 8px; background: var(--ink); color: var(--surface); padding: .7rem 1rem; }
.skip-link:focus { inset-block-start: 1rem; }
.site-header, main, footer { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.site-header { min-height: 104px; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.product-label, .section-label { margin: 0 0 .3rem; color: var(--accent); font-size: .76rem; letter-spacing: .08em; font-weight: 800; text-transform: uppercase; }
h1, h2, p { margin-block-start: 0; }
h1 { margin-block-end: 0; font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.12rem, 2vw, 1.35rem); letter-spacing: -.02em; }
.header-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; color: var(--muted); font-size: .82rem; font-weight: 700; }
.header-meta span { padding: .35rem .55rem; border: 1px solid var(--line); border-radius: 999px; }
main { padding-block-end: 2.5rem; }
.dashboard-content { display: grid; gap: 1.35rem; min-width: 0; }
.dashboard-content > *, .product-view > *, .semantic-content > * { min-width: 0; }
.product-view, .semantic-content { display: grid; gap: 1.35rem; min-width: 0; }
.view-switcher { display: flex; gap: 1.5rem; min-width: 0; border-block-end: 1px solid var(--line); }
.view-switcher button { border: 0; border-block-end: 3px solid transparent; background: transparent; color: var(--muted); padding: .75rem .05rem .65rem; font-weight: 760; cursor: pointer; }
.view-switcher button[aria-selected="true"] { color: var(--ink); border-block-end-color: var(--accent); }
.status-panel { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 96px; padding: 1rem 1.2rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.status-panel div { display: grid; gap: .2rem; min-width: 0; }
.status-panel span { color: var(--muted); overflow-wrap: anywhere; }
.status-panel[data-kind="error"] { background: var(--alert-soft); border-color: var(--alert); }
.status-panel[data-kind="partial"] { background: var(--surface-muted); }
.status-panel button { border: 0; border-radius: 8px; background: var(--ink); color: var(--surface); padding: .65rem .9rem; font-weight: 750; cursor: pointer; }
.status-panel button:disabled { opacity: .55; cursor: wait; }
.story-intro { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .55fr); gap: 2rem; align-items: end; padding: 1.6rem; border-radius: var(--radius); background: var(--accent-soft); border: 1px solid var(--accent); }
.story-intro h2 { max-width: 28ch; font-size: clamp(1.45rem, 2.7vw, 2.05rem); margin-block-end: .5rem; }
.story-intro p:not(.section-label) { max-width: 70ch; margin-block-end: 0; color: var(--muted); }
.source-note { font-size: .86rem; border-inline-start: 1px solid var(--accent); padding-inline-start: 1rem; }
.quality-ledger { display: grid; grid-template-columns: .65fr 1.35fr 1fr; align-items: center; gap: 1.2rem; padding-block: .9rem; border-block: 1px solid var(--line); }
.quality-ledger h2 { margin: 0; }
.quality-ledger > div { min-width: 0; display: grid; gap: .15rem; }
.quality-ledger strong { font-size: 1.05rem; }
.quality-ledger span { color: var(--muted); font-size: .84rem; overflow-wrap: anywhere; }
.build-notes { text-align: end; }
.control-bar { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.control-bar label { display: block; color: var(--muted); font-size: .85rem; font-weight: 700; margin-block-end: .25rem; }
.control-bar select { appearance: none; border: 1px solid var(--line); border-radius: 8px; padding: .55rem 2.2rem .55rem .7rem; color: var(--ink); background: var(--surface); }
.control-bar p { max-width: 48ch; margin: 0; color: var(--muted); font-size: .88rem; text-align: end; }
.metric-ledger { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.metric-ledger > div { min-width: 0; padding: 1rem 1.15rem; border-inline-end: 1px solid var(--line); }
.metric-ledger > div:first-child { padding-inline-start: 0; }
.metric-ledger > div:last-child { border-inline-end: 0; }
.metric-ledger dt { color: var(--muted); font-size: .84rem; }
.metric-ledger dd { margin: .2rem 0; font-size: clamp(1.35rem, 3vw, 1.75rem); font-weight: 800; letter-spacing: -.025em; }
.metric-ledger small { color: var(--accent); font-size: .8rem; font-weight: 750; }
.analysis-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr); gap: 1.25rem; }
.chart-panel, .findings-panel { min-width: 0; padding: 1.3rem; background: var(--surface); border-radius: var(--radius); }
.chart-panel { border: 1px solid var(--line); }
.findings-panel { background: var(--surface-muted); }
.panel-heading h2, .findings-panel h2 { margin-block-end: 0; }
.chart { height: 260px; margin-block-start: 1.15rem; }
.chart svg { overflow: visible; width: 100%; height: 100%; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 3; }
.chart-point { fill: var(--surface); stroke: var(--accent); stroke-width: 3; }
.chart-label { fill: var(--muted); font-size: 10px; }
.chart-description { margin: .75rem 0 0; color: var(--muted); font-size: .85rem; }
.findings { display: grid; gap: .9rem; margin-block-start: 1rem; }
.findings article { border-block-start: 1px solid var(--line); padding-block-start: .8rem; }
.findings p { color: var(--muted); font-size: .88rem; margin: .25rem 0; }
.findings small { display: block; font-size: .8rem; font-weight: 700; }
.mix-section { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: 1.5rem 2rem; padding-block: 1.1rem; border-block: 1px solid var(--line); }
.section-intro h2 { margin-block-end: .3rem; }
.section-intro > p:last-child { color: var(--muted); max-width: 68ch; }
.mix-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.mix-list li > div:first-child { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; }
.mix-list li span { color: var(--muted); text-align: end; }
.mix-track { display: block; height: 7px; margin-block-start: .35rem; background: var(--surface-muted); border-radius: 999px; overflow: hidden; }
.mix-track span { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.method-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .8rem; }
.workflow-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.workflow-list li { display: grid; gap: .2rem; padding: .95rem 1rem; border-inline-end: 1px solid var(--line); }
.workflow-list li:first-child { padding-inline-start: 0; }
.workflow-list li:last-child { border: 0; }
.workflow-list span { color: var(--muted); font-size: .86rem; }
.method-section, .table-section { min-width: 0; padding-block-start: .4rem; }
.portfolio-intro { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(220px, .55fr); align-items: end; gap: 2rem; padding: 1.6rem; background: var(--accent-soft); border-block-start: 4px solid var(--accent); }
.portfolio-intro h2 { max-width: 31ch; font-size: clamp(1.45rem, 2.7vw, 2.05rem); margin-block-end: .5rem; }
.portfolio-intro p { max-width: 72ch; margin: 0; color: var(--muted); }
.release-stamp { display: grid; gap: .2rem; padding-inline-start: 1rem; border-inline-start: 1px solid var(--accent); }
.release-stamp span { color: var(--muted); font-size: .84rem; }
.context-bar { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.context-bar > div { display: grid; align-content: start; gap: .12rem; min-width: 0; padding: .8rem 1rem; border-inline-end: 1px solid var(--line); border-block-end: 1px solid var(--line); }
.context-bar > div:nth-child(3n) { border-inline-end: 0; }
.context-bar > div:nth-child(n+4) { border-block-end: 0; }
.context-bar span { color: var(--muted); font-size: .78rem; }
.context-bar strong { overflow-wrap: anywhere; font-size: .9rem; }
.context-bar small { color: var(--muted); font-size: .72rem; line-height: 1.35; }
.portfolio-analysis { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr); gap: 1.25rem; }
.panel-heading p { color: var(--muted); margin: .25rem 0 0; font-size: .86rem; }
.credit-strip { display: grid; grid-template-columns: minmax(250px, .9fr) minmax(0, 1.1fr); gap: 2rem; align-items: center; padding-block: 1rem; border-block: 1px solid var(--line); }
.credit-strip h2 { margin-block-end: .25rem; }
.credit-strip p { margin: 0; color: var(--muted); font-size: .86rem; }
.credit-strip dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.credit-strip dl > div { padding-inline: 1rem; border-inline-end: 1px solid var(--line); }
.credit-strip dl > div:last-child { border: 0; }
.credit-strip dt { color: var(--muted); font-size: .8rem; }
.credit-strip dd { margin: .15rem 0 0; font-size: 1.5rem; font-weight: 800; }
.provenance-line { display: flex; justify-content: space-between; gap: 1rem; padding-block: .9rem; border-block-start: 1px solid var(--line); font-size: .8rem; }
.provenance-line span { color: var(--muted); text-align: end; overflow-wrap: anywhere; }
.investigation-intro { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(230px, .55fr); gap: 2rem; align-items: end; padding: 1.6rem; background: var(--accent-soft); border-block-start: 4px solid var(--accent); }
.investigation-intro h2 { max-width: 31ch; font-size: clamp(1.45rem, 2.7vw, 2.05rem); margin-block-end: .5rem; }
.investigation-intro p { max-width: 72ch; margin: 0; color: var(--muted); }
.investigation-intro > p { padding-inline-start: 1rem; border-inline-start: 1px solid var(--accent); font-size: .84rem; }
.access-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: .8rem; align-items: end; padding-block: 1rem; border-block: 1px solid var(--line); }
.access-form > div, .case-create > div, .case-resolve { min-width: 0; }
.access-form label, .case-create label, .case-resolve label { display: block; margin-block-end: .25rem; color: var(--muted); font-size: .8rem; font-weight: 750; }
.access-form input, .case-create input, .case-create select, .case-create textarea, .case-resolve textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); padding: .58rem .65rem; }
.access-form button, .case-create > button, .case-resolve button { border: 0; border-radius: 8px; background: var(--ink); color: var(--surface); padding: .62rem .85rem; font-weight: 760; cursor: pointer; }
.access-form button:disabled, .case-create button:disabled, .case-resolve button:disabled { opacity: .55; cursor: wait; }
.access-form > p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .8rem; }
.case-workspace { display: grid; gap: 1.5rem; }
.case-create { display: grid; grid-template-columns: 1.4fr 1fr .7fr; gap: 1rem; padding: 1.3rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.case-form-heading, .case-summary-field, .case-evidence-preview, .case-create > p { grid-column: 1 / -1; }
.case-form-heading h2, .case-list-section h2 { margin-block-end: .25rem; }
.case-form-heading p, .case-list-section > div > p { margin: 0; color: var(--muted); font-size: .86rem; }
.case-evidence-preview { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem; overflow-wrap: anywhere; }
.case-create > button { justify-self: start; }
.case-create > p { margin: 0; min-height: 1.2rem; color: var(--accent); font-size: .82rem; font-weight: 700; }
.case-list-section { display: grid; gap: 1rem; }
.case-list { border-block-start: 1px solid var(--line); }
.case-record { padding-block: 1rem; border-block-end: 1px solid var(--line); }
.case-record-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.case-record h3 { margin: 0; font-size: 1.05rem; }
.case-record-heading span { border: 1px solid var(--line); border-radius: 999px; padding: .2rem .45rem; font-size: .72rem; font-weight: 800; text-transform: capitalize; }
.case-record-heading span[data-status="resolved"] { border-color: var(--accent); color: var(--accent); }
.case-record > p { margin: .45rem 0 0; }
.case-context, .case-evidence { color: var(--muted); font-size: .8rem; overflow-wrap: anywhere; }
.case-resolution { font-weight: 700; }
.case-resolve { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .5rem .8rem; align-items: end; margin-block-start: .8rem; }
.case-resolve label { grid-column: 1 / -1; }
.case-empty { color: var(--muted); }
.transition-provenance { margin: .65rem 0 0; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem; overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: .8rem 1rem; text-align: start; border-block-end: 1px solid var(--line); }
tr:last-child td { border-block-end: 0; }
th { color: var(--muted); font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; }
td { font-size: .9rem; font-variant-numeric: tabular-nums; }
footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 2.5rem; color: var(--muted); font-size: .8rem; border-block-start: 1px solid var(--line); }

@media (max-width: 800px) {
  .site-header, .story-intro, .control-bar, footer { align-items: flex-start; flex-direction: column; }
  .header-meta { justify-content: flex-start; }
  .story-intro, .quality-ledger, .analysis-grid, .mix-section, .portfolio-intro, .portfolio-analysis, .credit-strip, .investigation-intro, .access-form { grid-template-columns: 1fr; }
  .investigation-intro > p { padding-inline: 0; padding-block-start: .8rem; border-inline: 0; border-block-start: 1px solid var(--accent); }
  .access-form button { justify-self: start; }
  .context-bar { grid-template-columns: repeat(2, 1fr); }
  .context-bar > div, .context-bar > div:nth-child(3n), .context-bar > div:nth-child(n+4) { border-inline-end: 1px solid var(--line); border-block-end: 1px solid var(--line); }
  .context-bar > div:nth-child(2n) { border-inline-end: 0; }
  .context-bar > div:nth-child(n+5) { border-block-end: 0; }
  .build-notes, .control-bar p { text-align: start; }
  .metric-ledger { grid-template-columns: repeat(2, 1fr); }
  .metric-ledger > div:nth-child(2) { border-inline-end: 0; }
  .metric-ledger > div:nth-child(-n+2) { border-block-end: 1px solid var(--line); }
  .metric-ledger > div:nth-child(3) { padding-inline-start: 0; }
  .workflow-list { grid-template-columns: 1fr; }
  .workflow-list li, .workflow-list li:first-child { padding-inline: 0; border-inline: 0; border-block-end: 1px solid var(--line); }
}

@media (max-width: 480px) {
  .view-switcher { gap: .8rem; }
  .view-switcher button { flex: 1; min-width: 0; text-align: start; font-size: .82rem; }
  .context-bar { grid-template-columns: 1fr; }
  .context-bar > div, .context-bar > div:nth-child(3n), .context-bar > div:nth-child(n+4), .context-bar > div:nth-child(2n), .context-bar > div:nth-child(n+5) { padding-inline: 0; border-inline: 0; border-block-end: 1px solid var(--line); }
  .context-bar > div:last-child { border-block-end: 0; }
  .metric-ledger { grid-template-columns: 1fr; }
  .metric-ledger > div, .metric-ledger > div:nth-child(3) { padding-inline: 0; border-inline: 0; border-block-end: 1px solid var(--line); }
  .metric-ledger > div:last-child { border-block-end: 0; }
  .mix-list li > div:first-child { align-items: flex-start; flex-direction: column; gap: .1rem; }
  .mix-list li span { text-align: start; }
  .credit-strip dl { grid-template-columns: 1fr; }
  .credit-strip dl > div { padding: .6rem 0; border-inline: 0; border-block-end: 1px solid var(--line); }
  .provenance-line { flex-direction: column; }
  .provenance-line span { text-align: start; }
  .case-create { grid-template-columns: 1fr; padding: 1rem; }
  .case-form-heading, .case-summary-field, .case-evidence-preview, .case-create > p { grid-column: auto; }
  .case-resolve { grid-template-columns: 1fr; }
  .case-resolve label { grid-column: auto; }
  .case-record-heading { align-items: flex-start; flex-direction: column; gap: .35rem; }
  .table-wrap { overflow: visible; border: 0; background: transparent; }
  table, tbody { display: block; min-width: 0; }
  thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  tbody { display: grid; gap: .75rem; }
  tbody tr { display: grid; gap: .35rem; padding: .75rem .8rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
  tbody td { display: flex; justify-content: space-between; gap: 1rem; padding: .2rem 0; border: 0; text-align: end; }
  tbody td::before { content: attr(data-label); color: var(--muted); font-size: .76rem; font-weight: 750; text-align: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (forced-colors: active) {
  .chart-line, .chart-point { stroke: CanvasText; }
  .mix-track span { background: Highlight; }
}