/* UNIONALPHA review grade — innerpulse brand (dark-first ink ground, ember reserved for the mark and the grade,
   firmware & RF amber as the one family accent). Fonts are self-hosted to satisfy the site's font-src 'self'. */
@font-face { font-family: "Syne"; src: url("fonts/syne-latin.woff2") format("woff2"); font-weight: 400 800; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/instrument-sans-latin.woff2") format("woff2"); font-weight: 400 700; font-stretch: 75% 100%; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono-latin.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  color-scheme: dark;
  --ground: #05070b;
  --ink-1: #090d14;
  --ink-2: #0e141e;
  --ink-3: #151d2a;
  --text-1: #e8edf5;
  --text-2: #a3afc2;
  --text-3: #7d89a1;
  --line: rgba(170, 196, 255, .09);
  --line-2: rgba(170, 196, 255, .17);
  --accent: #ffb347;
  --accent-wash: rgba(255, 179, 71, .09);
  --pulse-from: #e5102e;
  --pulse-to: #ff6a1f;
  --pulse: #f23d26;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --quiet-mark: #3a4556;
  --grid: #1a2230;
  --axis: #2d3748;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #52d16b;
  --warning-ink: #fab219;
  --serious-ink: #f29c77;
  --critical-ink: #ff6b6b;
  --display: "Syne", "Arial Black", system-ui, sans-serif;
  --sans: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --measure: 68ch;
  --wide: 1120px;
  --radius: 14px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --ground: #f4f1ec;
    --ink-1: #eeeae3;
    --ink-2: #fbf9f5;
    --ink-3: #ebe6dd;
    --text-1: #10141b;
    --text-2: #465063;
    --text-3: #5f6877;
    --line: rgba(16, 20, 27, .10);
    --line-2: rgba(16, 20, 27, .18);
    --accent: #9a5700;
    --accent-wash: rgba(154, 87, 0, .08);
    --pulse-from: #c20f2a;
    --pulse-to: #e04a12;
    --pulse: #d12c1e;
    --series-1: #2a78d6;
    --series-2: #eb6834;
    --series-3: #1baf7a;
    --series-4: #eda100;
    --quiet-mark: #c9c2b5;
    --grid: #e6e1d8;
    --axis: #cbc4b7;
    --good-ink: #1d7a1d;
    --warning-ink: #855600;
    --serious-ink: #a4451c;
    --critical-ink: #b42323;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text-1);
  font: 400 16.5px/1.62 var(--sans);
  padding-inline: clamp(16px, 4vw, 40px);
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--accent) 60%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--ink-3); padding: 8px 12px; z-index: 10; }

.wrap { max-width: var(--wide); margin-inline: auto; }
.prose { max-width: var(--measure); }
.prose p, .prose li { color: var(--text-1); }
p { margin: 0 0 1em; }
.muted { color: var(--text-2); }
.small { font-size: 14px; line-height: 1.55; }
code, .mono { font-family: var(--mono); font-size: .86em; }
code { background: var(--ink-3); border: 1px solid var(--line); padding: .05em .35em; border-radius: 5px; white-space: nowrap; }
@media (max-width: 700px) { code { white-space: normal; overflow-wrap: anywhere; } .refs { font-size: 11.5px; } .grade { font-size: 5rem; } }
strong { font-weight: 600; }

h1, h2 { font-family: var(--display); color: var(--text-1); text-wrap: balance; margin: 0; }
h1 { font-weight: 800; font-size: clamp(1.75rem, 7.6vw, 3.9rem); line-height: 1.02; letter-spacing: -.035em; }
h2 { font-weight: 700; font-size: clamp(1.55rem, 3.2vw, 2.25rem); line-height: 1.1; letter-spacing: -.025em; margin-bottom: 18px; }
h3 { font: 600 1.08rem/1.35 var(--sans); margin: 0 0 8px; text-wrap: balance; }
.eyebrow { font: 500 11.5px/1 var(--mono); letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; display: block; }

/* ---------- masthead ---------- */
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 22px 0; }
.lockup { display: block; height: 30px; width: auto; }
.lockup .ip-word { fill: var(--text-1); }
.ip-bars { fill: none; stroke: var(--pulse); stroke: url(#ip-ember) var(--pulse); stroke-linecap: round; }
@media (prefers-color-scheme: light) { .ip-bars { stroke: url(#ip-ember-deep) var(--pulse); } }
.mast-meta { font: 500 11.5px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); text-align: right; }

/* ---------- hero ---------- */
.hero { padding-block: clamp(40px, 7vw, 84px) clamp(36px, 6vw, 64px); }
.hero h1 { max-width: 20ch; margin-bottom: 20px; }
.hero .lede { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--text-2); max-width: 62ch; }
.verdict { display: grid; grid-template-columns: minmax(230px, 300px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); margin-top: 36px; align-items: start; }
@media (max-width: 780px) { .verdict { grid-template-columns: minmax(0, 1fr); } }

.readout { background: var(--ink-2); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 22px 22px 18px; }
.readout .label { font: 500 11px/1 var(--mono); letter-spacing: .15em; text-transform: uppercase; color: var(--text-3); }
.grade { font: 800 clamp(5.4rem, 12vw, 7.4rem)/.92 var(--display); letter-spacing: -.05em; margin: 12px 0 6px; color: var(--pulse);
  background: linear-gradient(135deg, var(--pulse-from), var(--pulse-to)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.grade-score { font: 600 15px/1 var(--mono); color: var(--text-1); }
.grade-score span { color: var(--text-3); font-weight: 400; }
.scale { margin-top: 16px; }
.scale-bar { position: relative; height: 8px; border-radius: 4px; display: grid; grid-template-columns: 50fr 15fr 15fr 10fr 10fr; gap: 2px; }
.scale-bar i { display: block; height: 8px; background: var(--ink-3); border-radius: 2px; }
.scale-bar i:first-child { border-radius: 4px 2px 2px 4px; }
.scale-bar i:last-child { border-radius: 2px 4px 4px 2px; }
.scale-bar i.on { background: color-mix(in srgb, var(--pulse) 55%, var(--ink-3)); }
.scale-marker { position: absolute; top: -5px; width: 3px; height: 18px; border-radius: 2px; background: var(--text-1); box-shadow: 0 0 0 2px var(--ink-2); }
.scale-ticks { display: grid; grid-template-columns: 50fr 15fr 15fr 10fr 10fr; gap: 2px; margin-top: 6px; font: 500 10.5px/1 var(--mono); color: var(--text-3); }
.scale-ticks span { text-align: center; }
.readout .oneliner { margin: 16px 0 0; font-size: 14.5px; line-height: 1.5; color: var(--text-2); }

.summary p { max-width: 66ch; }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
@media (max-width: 520px) { .tiles { grid-template-columns: minmax(0, 1fr); } }
.tile { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: var(--ink-1); }
.tile .t-label { font-size: 13.5px; color: var(--text-2); line-height: 1.35; }
.tile .t-value { font: 600 2rem/1.1 var(--sans); letter-spacing: -.02em; margin-top: 6px; color: var(--text-1); }
.tile .t-sub { font-size: 13px; color: var(--text-3); margin-top: 2px; }

.toc { display: flex; flex-wrap: wrap; gap: 6px 18px; padding-block: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 500 12px/1.4 var(--mono); letter-spacing: .04em; }
.toc a { color: var(--text-2); text-decoration: none; }
.toc a:hover { color: var(--accent); }

/* ---------- sections ---------- */
.section { padding-block: clamp(48px, 8vw, 92px); border-top: 1px solid var(--line); }
.section:first-of-type { border-top: 0; }
.section-head { max-width: var(--measure); margin-bottom: 28px; }
.section-head p { color: var(--text-2); }
.stack { display: grid; gap: 22px; }
/* grid items default to min-width:auto; let wide charts scroll inside their own box instead of widening the page */
.stack > *, .two > *, .author > *, .verdict > *, .findings > *, .eyes > * { min-width: 0; }
.figure { min-width: 0; }

/* status chips: icon + label, never colour alone */
.chip { --c: var(--text-3); --ci: var(--text-2); display: inline-flex; align-items: center; gap: 6px; font: 600 10.5px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--ci); padding: 5px 9px 5px 7px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--c) 50%, transparent);
  background: color-mix(in srgb, var(--c) 12%, transparent); white-space: nowrap; }
.chip svg { width: 12px; height: 12px; flex: none; }
.chip.good { --c: var(--good); --ci: var(--good-ink); }
.chip.warning { --c: var(--warning); --ci: var(--warning-ink); }
.chip.serious { --c: var(--serious); --ci: var(--serious-ink); }
.chip.critical { --c: var(--critical); --ci: var(--critical-ink); }
.chip.neutral { --c: var(--text-3); --ci: var(--text-2); }

/* headline findings */
.findings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
@media (max-width: 820px) { .findings { grid-template-columns: minmax(0, 1fr); } }
.finding { padding: 22px 22px 24px 0; border-bottom: 1px solid var(--line); }
.findings .finding:nth-child(odd) { padding-right: 28px; }
.findings .finding:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--line); }
@media (max-width: 820px) { .findings .finding:nth-child(n) { padding: 20px 0; border-left: 0; } }
.finding h3 { margin-top: 12px; font-size: 1.12rem; }
.finding p { color: var(--text-2); margin-bottom: 10px; }
.refs { font: 400 12px/1.55 var(--mono); color: var(--text-3); overflow-wrap: anywhere; }

/* figures & charts */
.figure { margin: 0; background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(14px, 2.4vw, 24px); }
.figure > h3 { margin-bottom: 4px; }
.figure .fig-sub { font-size: 14px; color: var(--text-2); margin: 0 0 14px; max-width: 80ch; }
.figure figcaption { font-size: 13.5px; color: var(--text-3); margin-top: 12px; max-width: 90ch; line-height: 1.5; }
.chart-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.chart-scroll > svg { display: block; width: 100%; min-width: 600px; height: auto; }
.chart-scroll.narrow > svg { min-width: 460px; }
.chart-scroll.fit > svg { min-width: 0; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; padding: 0; margin: 0 0 10px; font-size: 13.5px; color: var(--text-2); }
.legend li { display: inline-flex; align-items: center; gap: 8px; }
.key { display: inline-block; width: 18px; height: 0; border-top: 2px solid var(--series-1); border-radius: 2px; }
.key.rect { width: 12px; height: 12px; border: 0; border-radius: 3px; background: var(--series-1); }
.key.s1 { border-color: var(--series-1); } .key.s2 { border-color: var(--series-2); } .key.s3 { border-color: var(--series-3); } .key.s4 { border-color: var(--series-4); }
.key.rect.s1 { background: var(--series-1); } .key.rect.s2 { background: var(--series-2); } .key.rect.s3 { background: var(--series-3); } .key.rect.s4 { background: var(--series-4); }
.key.band { width: 14px; height: 12px; border: 0; border-radius: 2px; background: color-mix(in srgb, var(--text-2) 10%, transparent); box-shadow: inset 0 0 0 1px var(--line-2); }

svg.chart text { font-family: var(--mono); font-size: 11px; fill: var(--text-3); }
svg.chart .t-label { font-family: var(--sans); font-size: 12.5px; fill: var(--text-2); }
svg.chart .t-strong { font-family: var(--sans); font-size: 12.5px; font-weight: 600; fill: var(--text-1); }
svg.chart .t-axis { font-family: var(--sans); font-size: 12px; fill: var(--text-2); }
svg.chart .grid { stroke: var(--grid); stroke-width: 1; shape-rendering: crispEdges; }
svg.chart .axis { stroke: var(--axis); stroke-width: 1; shape-rendering: crispEdges; }
svg.chart .ln { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
svg.chart .s1 { stroke: var(--series-1); } svg.chart .s2 { stroke: var(--series-2); } svg.chart .s3 { stroke: var(--series-3); } svg.chart .s4 { stroke: var(--series-4); }
svg.chart .f1 { fill: var(--series-1); } svg.chart .f2 { fill: var(--series-2); } svg.chart .f3 { fill: var(--series-3); } svg.chart .f4 { fill: var(--series-4); }
svg.chart .dot { stroke: var(--ink-2); stroke-width: 2; }
svg.chart .dot.hollow { fill: var(--ink-2); stroke-width: 2; }
svg.chart .dot.hollow.s1 { stroke: var(--series-1); } svg.chart .dot.hollow.s2 { stroke: var(--series-2); } svg.chart .dot.hollow.s3 { stroke: var(--series-3); }
svg.chart .band { fill: color-mix(in srgb, var(--text-2) 8%, transparent); }
svg.chart .band-edge { stroke: var(--line-2); stroke-width: 1; }
svg.chart .band-label { fill: var(--text-3); font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; }
svg.chart .ref { stroke: var(--text-3); stroke-width: 1; stroke-opacity: .7; }
svg.chart .ref-label { fill: var(--text-2); }
svg.chart .bar { fill: var(--accent); }
svg.chart .bar.quiet { fill: var(--quiet-mark); }
svg.chart .seg { stroke: var(--ink-2); stroke-width: 2; }
svg.chart .seg.free { fill: transparent; stroke: var(--line-2); stroke-width: 1; }
svg.chart .hit { fill: transparent; cursor: crosshair; }
svg.chart .hit.bar-hit { cursor: default; }
svg.chart .hit:focus { outline: none; }
svg.chart .xhair { stroke: var(--text-2); stroke-width: 1; opacity: 0; pointer-events: none; }
svg.chart.is-hover .xhair { opacity: .55; }
svg.chart .dot.is-on { stroke-width: 3; }
svg.chart .is-lit { filter: brightness(1.18); }

.tip { position: fixed; z-index: 60; pointer-events: none; min-width: 170px; max-width: 300px; background: var(--ink-3); color: var(--text-1);
  border: 1px solid var(--line-2); border-radius: 9px; padding: 9px 11px; font: 400 12.5px/1.35 var(--sans); box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
  opacity: 0; transform: translateY(2px); transition: opacity .12s ease, transform .12s ease; }
.tip.on { opacity: 1; transform: none; }
.tip .tt { font: 500 11px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); margin-bottom: 6px; }
.tip .row { display: grid; grid-template-columns: 16px auto 1fr; align-items: baseline; gap: 2px 8px; margin: 3px 0; }
.tip .row .k { width: 14px; height: 0; border-top: 2px solid var(--text-3); align-self: center; }
.tip .row .k.s1 { border-color: var(--series-1); } .tip .row .k.s2 { border-color: var(--series-2); } .tip .row .k.s3 { border-color: var(--series-3); } .tip .row .k.s4 { border-color: var(--series-4); }
.tip .row .k.acc { border-color: var(--accent); } .tip .row .k.none { border-color: transparent; }
.tip .row .v { font-weight: 600; font-variant-numeric: tabular-nums; }
.tip .row .n { color: var(--text-2); }
.tip .row .d { grid-column: 2 / 4; color: var(--text-3); font-size: 11.5px; }
.tip .note { margin-top: 6px; color: var(--text-2); font-size: 12px; }
@media (prefers-reduced-motion: reduce) { .tip { transition: none; } }

details.data { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
details.data summary { cursor: pointer; font: 500 12px/1.4 var(--mono); letter-spacing: .05em; color: var(--text-2); list-style: none; display: inline-flex; gap: 8px; align-items: center; }
details.data summary::-webkit-details-marker { display: none; }
details.data summary::before { content: "+"; display: inline-block; width: 14px; color: var(--accent); }
details.data[open] summary::before { content: "−"; }
.table-scroll { overflow-x: auto; margin-top: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td .mono { color: var(--text-2); font-size: 12px; }

/* eye diagrams */
.eyes { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 980px) { .eyes { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 620px) { .eyes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.eye { margin: 0; border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: var(--ink-1); outline: none; }
.eye:focus-visible { box-shadow: 0 0 0 2px var(--accent); }
.eye h4 { font: 600 13px/1.25 var(--sans); margin: 0; color: var(--text-1); }
.eye .eye-sub { font-size: 12px; line-height: 1.35; color: var(--text-3); margin: 2px 0 8px; min-height: 2.7em; }
.eye-svg { display: block; width: 100%; height: auto; border-radius: 6px; background: var(--ground); }
.eye-traces { fill: none; stroke: var(--series-1); stroke-opacity: .2; stroke-width: 1; }
.eye-level { stroke: var(--grid); stroke-width: 1; }
.eye-thr { stroke: var(--axis); stroke-width: 1; }
.eye-centre { stroke: var(--text-3); stroke-opacity: .35; stroke-width: 1; }
.eye .eye-metrics { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; font: 500 11.5px/1.35 var(--mono); color: var(--text-2); }

/* diagram */
.diagram-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.diagram-wrap > svg { display: block; width: 100%; min-width: 900px; height: auto; }
svg.diagram text { font-family: var(--sans); font-size: 13px; fill: var(--text-1); }
svg.diagram .zone { fill: var(--ink-1); stroke: var(--line); }
svg.diagram .zone-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; fill: var(--text-3); }
svg.diagram .node { fill: var(--ink-3); stroke: var(--line-2); }
svg.diagram .node-t { font-weight: 600; }
svg.diagram .node-s { font-family: var(--mono); font-size: 10.5px; fill: var(--text-3); }
svg.diagram .edge { stroke: var(--text-3); stroke-width: 1.5; fill: none; }
svg.diagram .edge-dim { stroke: var(--text-3); stroke-opacity: .55; stroke-width: 1.25; fill: none; }
svg.diagram .arrow { fill: var(--text-3); }
svg.diagram .edge-l { font-family: var(--mono); font-size: 10px; fill: var(--text-3); }
svg.diagram .tag-found rect { fill: var(--accent-wash); stroke: var(--accent); }
svg.diagram .tag-found text { fill: var(--accent); font-family: var(--mono); font-size: 10.5px; font-weight: 600; }
svg.diagram .tag-miss path { fill: color-mix(in srgb, var(--critical) 16%, var(--ink-2)); stroke: var(--critical); }
svg.diagram .tag-miss text { fill: var(--critical-ink); font-family: var(--mono); font-size: 10.5px; font-weight: 600; }
.diagram-legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 12px; font-size: 13.5px; color: var(--text-2); }
.diagram-legend span { display: inline-flex; align-items: center; gap: 8px; }
.tagkey { display: inline-block; font: 600 10.5px/1 var(--mono); padding: 3px 6px; border-radius: 4px; }
.tagkey.found { color: var(--accent); background: var(--accent-wash); box-shadow: inset 0 0 0 1px var(--accent); }
.tagkey.miss { color: var(--critical-ink); background: color-mix(in srgb, var(--critical) 16%, transparent); box-shadow: inset 0 0 0 1px var(--critical); clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%); padding-inline: 9px; }
.issue-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; margin-top: 18px; }
@media (max-width: 760px) { .issue-list { grid-template-columns: minmax(0, 1fr); } }
.issue-list div { font-size: 14px; color: var(--text-2); line-height: 1.5; }
.issue-list b { font: 600 11.5px/1 var(--mono); margin-right: 6px; }
.issue-list b.found { color: var(--accent); }
.issue-list b.miss { color: var(--critical-ink); }

/* two-up */
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; }
@media (max-width: 900px) { .two { grid-template-columns: minmax(0, 1fr); } }

/* registers comparison */
.reg td:first-child { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
.reg td.bad { color: var(--critical-ink); }
.reg td.ok { color: var(--good-ink); }

/* claims table */
.claims td:nth-child(1) { color: var(--text-3); font-family: var(--mono); font-size: 12px; white-space: nowrap; }
.claims td:nth-child(3) { font-family: var(--mono); font-size: 12px; color: var(--text-2); overflow-wrap: anywhere; min-width: 170px; }
.claims td:nth-child(4) { white-space: nowrap; }
.claims td:nth-child(5) { color: var(--text-2); min-width: 220px; }
.claims td:nth-child(2) { min-width: 260px; }

/* provenance matrix */
.prov th.num, .prov td.num { text-align: center; }
.prov td:first-child { min-width: 240px; }
.mark-yes, .mark-no, .mark-part { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: 500 11.5px/1 var(--mono); }
.mark-yes::before, .mark-part::before, .mark-no::before { content: ""; width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.mark-yes::before { background: var(--text-1); }
.mark-part::before { background: linear-gradient(90deg, var(--text-1) 50%, transparent 50%); box-shadow: inset 0 0 0 1.5px var(--text-1); }
.mark-no::before { box-shadow: inset 0 0 0 1.5px var(--text-3); }
.mark-yes { color: var(--text-1); } .mark-part { color: var(--text-2); } .mark-no { color: var(--text-3); }
.prov tr.drop td { background: color-mix(in srgb, var(--critical) 7%, transparent); }

/* plan */
.plan { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--line); }
.plan > li { counter-increment: step; display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 4px 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.plan > li::before { content: counter(step, decimal-leading-zero); font: 700 1.9rem/1 var(--display); letter-spacing: -.03em; color: var(--text-3); grid-row: span 3; }
.plan h3 { margin-bottom: 6px; }
.plan p { color: var(--text-2); margin-bottom: 8px; max-width: 80ch; }
.plan .gate { font-size: 14px; color: var(--text-2); border-left: 2px solid var(--accent); padding: 2px 0 2px 12px; max-width: 80ch; }
.plan .gate b { font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-right: 6px; }
.plan .agree { font: 500 11.5px/1 var(--mono); color: var(--text-3); margin-bottom: 8px; display: block; }
@media (max-width: 560px) { .plan > li { grid-template-columns: minmax(0, 1fr); } .plan > li::before { grid-row: auto; font-size: 1.3rem; } }

/* author */
.author { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 28px; align-items: start; }
@media (max-width: 900px) { .author { grid-template-columns: minmax(0, 1fr); } }
.signals { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.signals li { padding-left: 16px; border-left: 1px solid var(--line-2); color: var(--text-2); font-size: 15px; }
.signals li strong { color: var(--text-1); }
.signals q { font-style: italic; color: var(--text-1); quotes: "“" "”"; }

.codeblock { background: var(--ink-1); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font: 400 12.5px/1.6 var(--mono); color: var(--text-2); white-space: pre; margin: 0 0 14px; }
.limits li { color: var(--text-2); margin-bottom: 6px; }

/* footer */
.foot { border-top: 1px solid var(--line); padding-block: 44px 56px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 26px; align-items: center; }
@media (max-width: 620px) { .foot { grid-template-columns: minmax(0, 1fr); } }
.band { width: 132px; height: auto; display: block; }
.foot p { margin: 0; color: var(--text-3); font-size: 13.5px; max-width: 70ch; }
.foot .credit { font: 500 11.5px/1.5 var(--mono); letter-spacing: .08em; color: var(--text-2); margin-bottom: 6px; }

@media print {
  body { background: #fff; color: #000; }
  .toc, .tip, details.data summary::before { display: none; }
  .figure, .readout, .tile, .eye { break-inside: avoid; }
}

/* ---------- additions for the DeepSeek V4.1 Flash report ---------- */
svg.diagram .node-prop { fill: var(--accent-wash); stroke: var(--accent); }
svg.diagram .edge-prop { stroke: var(--accent); stroke-width: 1.75; fill: none; }
svg.diagram .arrow-prop { fill: var(--accent); }
svg.diagram .edge-l-prop { font-family: var(--mono); font-size: 10px; fill: var(--accent); }
.tagkey.prop { color: var(--accent); background: transparent; box-shadow: inset 0 0 0 1.5px var(--accent); border-radius: 4px; }
.kca { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 900px) { .kca { grid-template-columns: minmax(0, 1fr); } }
.kca > div { min-width: 0; }
.kca h3 { margin: 10px 0 12px; }
.kca ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.kca li { color: var(--text-2); font-size: 15px; line-height: 1.55; padding-left: 14px; border-left: 2px solid var(--line-2); }
.kca li strong { color: var(--text-1); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; margin: 14px 0 0; padding: 0; list-style: none; }
@media (max-width: 760px) { .facts { grid-template-columns: minmax(0, 1fr); } }
.facts li { font-size: 14.5px; color: var(--text-2); padding-left: 14px; border-left: 1px solid var(--line-2); }
.facts li strong { color: var(--text-1); }
.crosslink { display: inline-flex; align-items: center; gap: 8px; font: 500 12.5px/1.4 var(--mono); letter-spacing: .03em; color: var(--text-2); text-decoration: none; border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }
.crosslink:hover { color: var(--accent); border-bottom-color: var(--accent); }