:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #f2f2f5;
  --text: #1d1d1f;
  --text-2: #48484d;
  --muted: #6e6e73;
  --grid: #e5e5ea;
  --axis: #d1d1d6;
  --firm-a: #2a78d6;
  --firm-b: #eb6834;
  --firm-c: #1baf7a;
  --accent: #0066cc;
  --warn: #8a5a00;
  --cls-cost: #d9433f;
  --cls-below: #f2aca1;
  --cls-at: #e3e3e8;
  --cls-above: #8dbbf0;
  --bar: rgba(245, 245, 247, .72);
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 16px rgba(0, 0, 0, .04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #000000;
    --surface: #1c1c1e;
    --surface-2: #2c2c2e;
    --text: #f5f5f7;
    --text-2: #c7c7cc;
    --muted: #98989d;
    --grid: #2c2c2e;
    --axis: #3a3a3c;
    --firm-a: #3987e5;
    --firm-b: #d95926;
    --firm-c: #199e70;
    --accent: #4aa3ff;
    --warn: #fab219;
    --cls-cost: #c63f3c;
    --cls-below: #8c4a45;
    --cls-at: #3a3a3c;
    --cls-above: #2f6db8;
    --bar: rgba(0, 0, 0, .66);
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --surface: #1c1c1e;
  --surface-2: #2c2c2e;
  --text: #f5f5f7;
  --text-2: #c7c7cc;
  --muted: #98989d;
  --grid: #2c2c2e;
  --axis: #3a3a3c;
  --firm-a: #3987e5;
  --firm-b: #d95926;
  --firm-c: #199e70;
  --accent: #4aa3ff;
  --warn: #fab219;
  --cls-cost: #c63f3c;
  --cls-below: #8c4a45;
  --cls-at: #3a3a3c;
  --cls-above: #2f6db8;
  --bar: rgba(0, 0, 0, .66);
  --shadow: none;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Page header */
.top { padding: 36px 0 8px; }
.titlebar { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
h1 { font-size: 30px; line-height: 1.1; letter-spacing: -.022em; margin: 0; font-weight: 700; }
h2 { font-size: 22px; line-height: 1.2; letter-spacing: -.018em; margin: 0 0 6px; font-weight: 650; }
h3 { font-size: 17px; line-height: 1.3; letter-spacing: -.01em; margin: 0; font-weight: 600; color: var(--text); }
h2.sect { margin: 40px 0 0; }
h2.sect + .sectnote { margin: 4px 0 0; color: var(--text-2); font-size: 14px; max-width: 80ch; }
.lede { color: var(--text-2); font-size: 17px; line-height: 1.45; max-width: 68ch; margin: 12px 0 16px; }
.notes { background: var(--surface); border-radius: 14px; padding: 14px 18px; box-shadow: var(--shadow); max-width: 92ch; }
.caveat { color: var(--text-2); font-size: 13px; margin: 0; }
.caveat + .caveat { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--grid); }
.caveat strong { color: var(--text); }

/* Controls */
button { font: inherit; color: inherit; }
button, .strip, select { transition: transform 100ms ease-out, background-color 120ms ease-out, border-color 120ms ease-out; }
button:active { transform: scale(.97); }
button.ghost { background: var(--surface); border: 1px solid var(--axis); border-radius: 999px; padding: 5px 14px; cursor: pointer; font-size: 13px; }
button.ghost:hover { background: var(--surface-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
select { font: inherit; font-size: 13px; margin-left: 6px; background: var(--surface); color: var(--text); border: 1px solid var(--axis); border-radius: 8px; padding: 4px 8px; }

/* View switch: stays in reach while scrolling */
#modes { position: sticky; top: 0; z-index: 4; display: flex; gap: 2px; margin: 16px -20px 0; padding: 10px 20px; background: var(--bar); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); }
#modes button { border: 0; background: none; border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 14px; color: var(--text-2); }
#modes button:hover { background: var(--surface-2); }
#modes button[aria-pressed="true"] { background: var(--text); color: var(--bg); font-weight: 600; }
#examples { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 4px; }
#examples:empty { display: none; }
#examples button { border: 1px solid var(--axis); background: var(--surface); border-radius: 999px; padding: 5px 13px; cursor: pointer; font-size: 13px; color: var(--text-2); }
#examples button:hover { border-color: var(--muted); }
#examples button[aria-pressed="true"] { background: var(--accent); color: #ffffff; border-color: var(--accent); }

/* Sections: every part of a page is its own card */
.intro { margin: 28px 0 4px; }
.intro p { margin: 4px 0; max-width: 80ch; color: var(--text-2); }
.intro .look { color: var(--text-2); }
.intro .look b { color: var(--text); }
.crumbs { font-size: 13px; color: var(--muted); margin: 20px 0 -16px; }
.panel, .cond, .round { background: var(--surface); border-radius: 16px; padding: 20px 22px; margin: 16px 0; box-shadow: var(--shadow); }
.panel > h3, .cond > h3 { margin-bottom: 2px; }
.panel > h3 + *, .cond > h3 + * { margin-top: 6px; }
.cond > h3 { overflow-wrap: anywhere; }
.cond.histo { margin: 16px 0; }
.meta { font-size: 13px; color: var(--text-2); margin: 6px 0; max-width: 110ch; }

/* Legends, strips, stat tiles */
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--text-2); margin: 12px 0 10px; align-items: center; }
.legend span.key { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 14px; height: 4px; border-radius: 2px; display: inline-block; }
.sw.box { width: 12px; height: 12px; border-radius: 3px; }
.sw.dot { width: 9px; height: 9px; border-radius: 50%; }
.sw.ring { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--muted); box-sizing: border-box; }
.sw.line { width: 18px; height: 2px; }
.sw.dash { width: 18px; height: 0; border-top: 2px dashed var(--text); border-radius: 0; }
.sw.a { background: var(--firm-a); } .sw.b { background: var(--firm-b); } .sw.c { background: var(--firm-c); }
.strips { display: grid; gap: 8px; margin: 12px 0 0; }
.strip { border: 1px solid var(--grid); border-radius: 12px; padding: 10px 12px; background: none; text-align: left; width: 100%; cursor: pointer; }
.strip:hover { border-color: var(--axis); }
.strip.on { border-color: var(--accent); background: var(--surface-2); }
.strip .label { display: flex; flex-wrap: wrap; gap: 4px 12px; justify-content: space-between; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.strip .label b { color: var(--text); font-weight: 600; }
.ribbon { display: flex; gap: 2px; }
.cell { flex: 1 1 0; min-width: 0; height: 22px; border: 0; padding: 0; border-radius: 4px; position: relative; cursor: pointer; background: var(--grid); }
.cell.sel { outline: 2px solid var(--text); outline-offset: 1px; }
.cell .dot { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: var(--surface); }
.cell .tie { position: absolute; inset: 0; border-radius: 4px; background: repeating-linear-gradient(45deg, var(--surface) 0 2px, transparent 2px 5px); opacity: .85; }
.cell.a { background: var(--firm-a); } .cell.b { background: var(--firm-b); } .cell.c { background: var(--firm-c); }
.cell.none { background: var(--grid); }
.ribbon.mini { gap: 1px; }
.ribbon.mini .cell { height: 14px; cursor: default; border-radius: 2px; }
.note { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 8px; margin: 12px 0; }
.chip { display: flex; flex-direction: column; gap: 2px; background: var(--surface-2); border-radius: 12px; padding: 9px 12px; font-size: 12px; color: var(--text-2); }
.chip b { color: var(--text); font-size: 18px; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }

/* Charts */
.chartbox { position: relative; margin: 12px 0 4px; }
svg.chart { width: 100%; height: auto; display: block; touch-action: pan-y; }
/* rem, so chart text grows with the reader's text size. Narrow screens get a narrower drawing (app.js NARROW), not a shrunken one. */
svg.chart text { fill: var(--muted); font-size: 0.6875rem; }
svg.chart text.strong { fill: var(--text); font-size: 0.8125rem; font-weight: 600; letter-spacing: -0.005em; }
svg.chart text.halo { paint-order: stroke; stroke: var(--surface); stroke-width: 3.5px; stroke-linejoin: round; }
svg.chart .ring { stroke: var(--text); stroke-width: 2; pointer-events: none; }
svg.chart .hit { cursor: crosshair; }
svg.chart .pair { cursor: pointer; transition: opacity 120ms ease-out; }
svg.chart .pair .vis { opacity: .45; }
svg.chart.focus .pair:not(.hot) { opacity: .18; }
svg.chart .pair.hot .vis { opacity: 1; stroke-width: 2.5; }
svg.chart .pair.hot circle { stroke: var(--text); }
.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; background: var(--surface-2); border-radius: 14px; padding: 3px; margin: 12px 0 0; }
.seg button { border: 0; background: none; border-radius: 11px; padding: 5px 12px; cursor: pointer; font-size: 13px; color: var(--text-2); }
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 3px rgba(0, 0, 0, .14); }
svg.chart text.inbar { fill: var(--text); }
.toggles { display: flex; gap: 8px 16px; font-size: 13px; color: var(--text-2); margin: 10px 0 0; flex-wrap: wrap; align-items: center; }
.toggles label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.filters { margin: 14px 0 0; }
.tip { position: fixed; z-index: 5; background: var(--surface); color: var(--text); border: 1px solid var(--grid); border-radius: 12px; padding: 9px 12px; font-size: 12px; box-shadow: 0 8px 28px rgba(0, 0, 0, .18); pointer-events: none; max-width: 260px; }
.tip .row { display: flex; align-items: center; gap: 6px; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tip .row b { font-size: 13px; }
.tip .row span { color: var(--text-2); }
.tip .sw { width: 10px; height: 3px; }

/* Round detail */
.roundhead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.roundhead .nav { display: inline-flex; gap: 6px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
.tablewrap { overflow-x: auto; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
thead th { color: var(--muted); font-weight: 500; font-size: 12px; border-bottom-color: var(--axis); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface-2); }
td.num, th.num { text-align: right; }
tr.won td { background: var(--surface-2); }
.firmdot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.firmdot.a { background: var(--firm-a); } .firmdot.b { background: var(--firm-b); } .firmdot.c { background: var(--firm-c); }
.cards { display: grid; gap: 10px; margin-top: 16px; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.card { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; min-width: 0; }
.card h4 { margin: 0 0 6px; font-size: 14px; font-weight: 600; }
.card pre { background: var(--surface); }
.call { margin: 8px 0; padding-top: 8px; border-top: 1px solid var(--axis); }
.call:first-of-type { border-top: 0; padding-top: 0; }
.call .head { font-size: 12px; color: var(--text-2); }
.call .head b { color: var(--text); }
.call p { margin: 4px 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.err { color: var(--warn); font-size: 13px; }
details { margin: 4px 0; }
summary { cursor: pointer; color: var(--text-2); font-size: 13px; }
.panel > details { margin: 0; }
.panel > details > summary { font-size: 15px; font-weight: 600; color: var(--text); }
pre { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 340px; overflow: auto; margin: 8px 0; }
code { font: 12px ui-monospace, Menlo, monospace; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }
.notes code { background: var(--bg); }

/* Run page: sessions inside a condition */
.sessrow { margin: 0; padding: 10px 0; border-top: 1px solid var(--grid); }
.chips + .sessrow { margin-top: 6px; }
.sessrow .label { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2px 12px; font-size: 13px; color: var(--text-2); margin-bottom: 4px; }
.sessrow .ctl { margin-top: 6px; opacity: .8; }

.foot { color: var(--text-2); font-size: 13px; padding-bottom: 48px; margin-top: 40px; border-top: 1px solid var(--axis); padding-top: 16px; }
dt { font-weight: 600; margin-top: 8px; color: var(--text); } dd { margin: 0; color: var(--text-2); }

@media (max-width: 640px) {
  .cell { height: 26px; }
  h1 { font-size: 24px; }
  .wrap { padding: 0 14px; }
  #modes { margin: 16px -14px 0; padding: 10px 14px; }
  .panel, .cond, .round { padding: 16px; border-radius: 14px; }
}
@media (prefers-reduced-motion: reduce) { button, .strip, select, svg.chart .pair { transition: none; } button:active { transform: none; } }
@media (prefers-reduced-transparency: reduce) { #modes { background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none; } }
@media (prefers-contrast: more) {
  .seg { border: 1px solid var(--text-2); }
  .seg button[aria-pressed="true"] { outline: 2px solid var(--text); }
  .panel, .cond, .round, .notes { border: 1px solid var(--text-2); box-shadow: none; }
  #modes { background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom: 1px solid var(--text-2); }
}

/* Header text that depends on the view */
.only-findings, .only-examples { display: none; }
body[data-mode="findings"] .only-findings, body[data-mode="examples"] .only-examples { display: inline; }
.notes { display: none; }
body[data-mode="examples"] .notes { display: block; }

/* Findings page: text converted from Markdown, one card per finding, charts under the finding they support */
.prose { max-width: 1000px; }
.prose .prosehead h1 { font-size: 28px; line-height: 1.15; letter-spacing: -.02em; margin: 28px 0 10px; font-weight: 700; }
.prose .prosehead p, .prose .prosehead li { color: var(--text-2); max-width: 78ch; }
.prose p, .prose li { font-size: 15px; line-height: 1.55; max-width: 82ch; }
.prose p { margin: 10px 0; }
.prose ul { margin: 8px 0; padding-left: 20px; }
.prose li { margin: 5px 0; }
.prose li ul { margin: 4px 0; }
.prose code { background: var(--surface-2); border-radius: 5px; padding: 1px 5px; font-size: .9em; }
.prose h2.sect { margin-top: 36px; }
.prose h4 { font-size: 14px; font-weight: 600; margin: 20px 0 4px; color: var(--text); }
.prose .panel { margin: 14px 0; }
.prose .panel > h3 { margin-bottom: 8px; }
.prose .finding > h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; font-size: 18px; line-height: 1.3; }
.prose .fid { color: var(--muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.prose .tablewrap { margin: 12px 0; }
.prose img { display: block; max-width: 100%; height: auto; margin: 12px 0; padding: 8px; border-radius: 8px; background: #fff; border: 1px solid var(--axis); }
.prose p:has(> img + img) { display: flex; flex-wrap: wrap; gap: 12px; max-width: none; }
.prose p:has(> img + img) img { flex: 1 1 340px; max-width: 480px; margin: 0; }
.prose img[src*="_col"] { max-width: 480px; }
.prose em.caption { display: block; font-size: 13px; color: var(--muted); }
.prose table { font-size: 13.5px; }
.prose td, .prose th { vertical-align: top; }
.prose .cond.histo { background: var(--surface-2); box-shadow: none; margin: 16px 0 4px; }
.prose .cond.histo .seg { background: var(--surface); }
.badge { display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: .01em; line-height: 1; padding: 4px 9px; border-radius: 999px; white-space: nowrap; position: relative; top: -1px; }
.badge.declared { background: var(--accent); color: #ffffff; }
.badge.exploratory { background: transparent; color: var(--text-2); box-shadow: inset 0 0 0 1.5px var(--axis); }
.badge.descriptive { background: var(--surface-2); color: var(--text-2); }
details.glossary > summary { font-size: 17px; font-weight: 600; color: var(--text); cursor: pointer; padding: 2px 0; }
details.glossary[open] > summary { margin-bottom: 6px; }
details.glossary h3 { font-size: 14px; margin: 18px 0 2px; color: var(--text-2); }
svg.chart .bar { transition: opacity 120ms ease-out; }
svg.chart .pair[class] { cursor: pointer; }
@media (max-width: 640px) { .prose .prosehead h1 { font-size: 23px; } .prose p, .prose li { font-size: 14.5px; } }
@media (prefers-contrast: more) { .badge.exploratory, .badge.descriptive { box-shadow: inset 0 0 0 1.5px var(--text); color: var(--text); } }
@media (prefers-reduced-motion: reduce) { svg.chart .bar { transition: none; } }

/* Workspace notes, messages and the tool steps that wrote them */
.notetext { margin: 6px 0 0; padding: 8px 12px; border-left: 3px solid var(--axis); background: var(--surface-2); border-radius: 0 10px 10px 0; font-size: 14px; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; max-width: 80ch; }
.card .notetext { background: var(--surface); font-size: 13px; max-height: 220px; overflow: auto; }
.evbox { position: relative; max-height: min(520px, 62vh); overflow: auto; margin: 12px -8px 0; padding: 0 8px 4px; border-top: 1px solid var(--grid); border-bottom: 1px solid var(--grid); }
.evgroup { padding: 4px 10px 12px; margin: 8px 0; border-radius: 12px; border: 1px solid transparent; }
.evgroup.on { border-color: var(--accent); }
.evround { position: sticky; top: 0; z-index: 1; display: block; border: 0; background: var(--surface); color: var(--text-2); font-size: 12px; font-weight: 600; letter-spacing: .02em; padding: 6px 0; cursor: pointer; width: 100%; text-align: left; }
.evround:hover { color: var(--accent); }
.ev { margin: 10px 0 0; }
.ev .who { font-size: 13px; color: var(--text-2); display: flex; flex-wrap: wrap; align-items: center; gap: 0 2px; }
.ev .who b { color: var(--text); font-weight: 600; }
.ev .who .badge { margin-left: 8px; top: 0; }
.ev.read { font-size: 12.5px; color: var(--muted); }
.stephead { margin: 14px 0 2px; padding-top: 10px; border-top: 1px solid var(--axis); font-size: 12px; font-weight: 600; letter-spacing: .02em; color: var(--text-2); }
.stephead + .call { border-top: 0; padding-top: 0; }
.tool { margin: 6px 0; }
.toolname { font-size: 13px; font-weight: 600; }
.notesbadge { margin-left: 8px; top: 0; }

.setupgrid { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 8px 0 12px; font-size: 0.9em; }
.setupgrid dt, .setupgrid dd { margin: 0; padding: 0; line-height: 1.45; }
.setupgrid dt { color: var(--muted); }
.setupgrid dd { margin: 0; overflow-wrap: anywhere; }
.confignote summary { cursor: pointer; font-size: 0.9em; margin: 6px 0; }
.confignote .pre { white-space: pre-line; font-size: 0.85em; color: var(--muted); }
@media (max-width: 700px) { .setupgrid { grid-template-columns: 1fr; } .setupgrid dd { margin-bottom: 6px; } }