/* One 1040px column. Figure cards use the code-block fill and border. */
:root {
  color-scheme: light;
  --bg: #ffffff; --surface: #f6f8fa; --ink: #1a1a1a; --ink-2: #3f3f3f; --muted: #6b6b6b;
  --grid: #e2e6eb; --line: #d8dde3; --chip: #e9edf1; --hover: rgba(26,26,26,.04); --accent: #0b57c9; --visited: #6a3fa0; --mark: #ffe066;
  --noise: #1a1a1a; --work: #0b57c9; --neutral: #cfcfcf;
  --f-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --f-mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]), html[a="auto"] {
    --bg: #0d0d0f; --surface: #16181c; --ink: #e8e6e3; --ink-2: #c2c0bd; --muted: #8b8b88;
    --grid: #24272d; --line: #2a2e35; --chip: #22252b; --hover: rgba(255,255,255,.04); --accent: #3391ff; --visited: #ba55d3; --mark: #4a4420;
    --noise: #e8e6e3; --work: #3391ff; --neutral: #4a4f57;
    color-scheme: dark;
  }
}
:root[data-theme="dark"], html[a="dark"] {
  --bg: #0d0d0f; --surface: #16181c; --ink: #e8e6e3; --ink-2: #c2c0bd; --muted: #8b8b88;
  --grid: #24272d; --line: #2a2e35; --chip: #22252b; --hover: rgba(255,255,255,.04); --accent: #3391ff; --visited: #ba55d3; --mark: #4a4420;
  --noise: #e8e6e3; --work: #3391ff; --neutral: #4a4f57;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { background: var(--bg); }
body { margin: 0; color: var(--ink); font: 16px/1.55 var(--f-body); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
a { color: var(--accent); } a:visited { color: var(--visited); }
*:target { background: var(--mark); }
.nav { max-width: 1040px; margin: 0 auto; padding: 14px 24px 0; display: flex; flex-wrap: wrap; gap: 4px 18px; font: 500 15px var(--f-body); }
.nav a { color: var(--muted); text-decoration: none; } .nav a[aria-current=page] { color: var(--ink); font-weight: 600; } .nav a:hover { color: var(--accent); text-decoration: underline; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 24px; padding-block: 28px 72px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
.wrap > * { min-width: 0; }
@media (max-width: 560px) { .wrap { padding-inline: 16px; padding-block: 20px 48px; gap: 32px; } .nav { padding-inline: 16px; } }
.eyebrow { font: 600 13px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
h1 { font: 700 clamp(30px, 5.2vw, 44px)/1.1 var(--f-body); letter-spacing: -.02em; margin: 0 0 12px; text-wrap: balance; }
h2 { font: 700 24px/1.2 var(--f-body); letter-spacing: -.01em; margin: 0; }
h3 { font: 600 16px/1.3 var(--f-body); margin: 0; }
p { margin: 0; max-width: 68ch; }
.lede { font-size: 16px; color: var(--ink-2); }
.posts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 16px; }
.posts .d { font: 500 14px var(--f-mono); color: var(--muted); margin-right: 10px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat b { display: block; font: 700 30px/1 var(--f-body); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat b.blue { color: var(--accent); }
.stat span { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; line-height: 1.3; }
.fig { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px 20px 14px; display: grid; gap: 14px; min-width: 0; max-width: 100%; }
.fig > *, details.tbl, .tscroll, .kpis, .kpi, .curve { min-width: 0; max-width: 100%; }
details.tbl { display: block; }
@media (max-width: 560px) { .fig { padding: 16px 12px 10px; } }
.fig .sub { font-size: 14px; color: var(--muted); margin-top: 2px; max-width: none; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.key { width: 14px; height: 10px; border-radius: 2px; display: inline-block; }
.key.noise { background: var(--noise); } .key.work { background: var(--work); } .key.neutral { background: var(--neutral); }
.key.line { width: 14px; height: 3px; border-radius: 0; }
.chart { display: grid; gap: 6px; }
.row { display: grid; grid-template-columns: minmax(120px, 190px) minmax(0, 1fr) minmax(70px, auto); gap: 10px; align-items: center; }
.row .lab { font-size: 13px; color: var(--ink-2); text-align: right; line-height: 1.25; }
.row .track { height: 22px; display: flex; align-items: center; }
.row .bar { height: 100%; min-width: 2px; border-radius: 0 4px 4px 0; transition: width .2s ease; }
.row .val { font: 600 13px var(--f-mono); white-space: nowrap; font-variant-numeric: tabular-nums; }
.row.thin .track { height: 11px; }
.row.pair { grid-template-columns: minmax(120px, 190px) minmax(0, 1fr); }
.group { display: grid; gap: 2px; }
.group .row { grid-template-columns: minmax(0, 1fr) minmax(70px, auto); }
@media (max-width: 600px) { .row, .row.pair { grid-template-columns: minmax(0, 1fr) auto; } .row .lab { grid-column: 1 / -1; text-align: left; } .group .row { grid-template-columns: minmax(0, 1fr) auto; } .group .row .lab { display: none; } }
@media (prefers-reduced-motion: reduce) { .row .bar { transition: none; } }
details.tbl summary { cursor: pointer; font-size: 14px; color: var(--ink-2); width: fit-content; }
details.tbl summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.tscroll { overflow-x: auto; margin-top: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-weight: 600; color: var(--ink-2); font-size: 13px; white-space: nowrap; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.hl td { background: var(--chip); font-weight: 600; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.controls select, .controls input[type=text] { font: 15px var(--f-body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; max-width: 100%; }
.controls button, .seg button { font: 600 14px var(--f-body); color: var(--ink); background: var(--chip); border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; cursor: pointer; }
.controls button:hover, .seg button:hover { background: var(--hover); }
.controls button:focus-visible, .seg button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.seg { display: inline-flex; gap: 0; }
.seg button { border-radius: 0; } .seg button:first-child { border-radius: 8px 0 0 8px; } .seg button:last-child { border-radius: 0 8px 8px 0; margin-left: -1px; }
.seg button[aria-pressed=true] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.count { font-size: 14px; color: var(--muted); }
.rules { display: grid; gap: 12px; }
.rules label { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink); }
.rules input[type=checkbox] { accent-color: var(--accent); margin-top: 4px; }
.slider { display: grid; gap: 6px; }
.slider .lab { font-size: 14px; color: var(--ink-2); }
.slider .v { font: 700 28px/1 var(--f-body); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.slider .v small { font: 500 14px var(--f-body); color: var(--muted); margin-left: 6px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.kpi b { display: block; font: 700 24px/1.1 var(--f-body); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi b.blue { color: var(--accent); }
.kpi span { display: block; font-size: 13px; color: var(--muted); margin-top: 4px; line-height: 1.3; }
.curve { position: relative; }
.curve svg { width: 100%; height: auto; display: block; }
.tip { position: absolute; z-index: 20; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; box-shadow: 0 8px 28px rgba(0,0,0,.14); font: 13px/1.35 var(--f-mono); white-space: nowrap; transform: translate(-50%, -120%); opacity: 0; transition: opacity .1s; }
.notes { font-size: 14px; color: var(--ink-2); display: grid; gap: 6px; }
.notes p { max-width: 80ch; }