/* netex · engines/xray-board.css · S5 Process X-Ray: the film sheet, nodes, beams, readout, verdict.
   Works on any dark field (the hub's Ink-2, a sector page's Ink): it reads role tokens only. */
@layer pages {
.xb { position: relative; container: xb / inline-size; color: var(--fg); }
.xb.is-live { --xb-bg: var(--ink); --xb-node: var(--ink-2); --xb-line: rgb(188 188 188 / .55); }
.xb__ui { display: grid; gap: var(--s-4); }

/* ---- toolbar: trade switcher + sound / motion ------------------------------ */
.xb__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3) var(--s-5); }
.xb__switchlabel { flex: 1 0 100%; margin: 0; font: 500 var(--t-label)/1.3 var(--f-mono); letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--fg-2); }
.xb__switch { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-4); }
.xb__seg { background: transparent; }
.xb__seg > button { min-height: 44px; }
.xb__seg--more[hidden] { display: none; }
.xb__more { min-height: 44px; padding: 0 var(--s-2); color: var(--link); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: var(--tr-label); text-transform: uppercase; text-decoration: underline; text-underline-offset: .3em; }
.xb__tools { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-left: auto; }
.xb__sound .nx-icon, .xb__motion .nx-icon { width: 18px; height: 18px; }
.xb__sound[aria-pressed="true"] [data-when="off"], .xb__sound:not([aria-pressed="true"]) [data-when="on"] { display: none; }

/* ---- stages strip -------------------------------------------------------------- */
.xb__stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; margin: 0; padding: 0; list-style: none; counter-reset: st; }
.xb__stages li { position: relative; display: flex; align-items: center; min-height: 34px; padding: 0 var(--s-3); background: var(--bg-2); color: var(--fg-3); font: 500 .6875rem/1.2 var(--f-mono); letter-spacing: var(--tr-label); text-transform: uppercase; }
.xb__stages li.is-done { color: var(--fg-2); }
.xb__stages li.is-current { background: var(--fg); color: var(--bg); }
.xb__stages li.is-current::after { content: ""; position: absolute; right: 0; bottom: 0; width: 10px; height: 10.7px; background: var(--bg); clip-path: polygon(100% 0, 100% 100%, 0 100%); }

/* ---- the film sheet ------------------------------------------------------------- */
.xb__sheet {
	position: relative;
	display: grid;
	gap: var(--s-5);
	padding: clamp(var(--s-4), 3cqi, var(--s-7)) clamp(var(--s-4), 3cqi, var(--s-7)) 0;
	background: var(--xb-bg);
	color: var(--paper);
	--fg: var(--paper); --fg-2: var(--paper-72); --fg-3: var(--steel); --bg: var(--ink); --bg-2: var(--ink-3); --rule: var(--rule-dark); --sig: var(--cyan); --leak: var(--molten); --link: var(--cyan); --focus: var(--cyan);
	clip-path: var(--clip-sheet);
}
.xb__sheet::before { content: ""; position: absolute; inset: 0; border: var(--bw) solid var(--rule-dark); pointer-events: none; clip-path: var(--clip-sheet); }
.xb__head { display: grid; gap: var(--s-2); }
.xb__title { font: var(--w-h3) var(--t-h3)/1.1 var(--f-sans); letter-spacing: var(--tr-h3); max-width: 32ch; }
.xb__context { margin: 0; font: italic 400 var(--t-body)/1.5 var(--f-serif); color: var(--fg-2); max-width: 60ch; }
.xb__caption { min-height: 1.5em; margin: 0; font: 500 .8125rem/1.5 var(--f-mono); color: var(--cyan); }
.xb__caption:empty { display: none; }

/* ---- graph ---------------------------------------------------------------------- */
.xb__graph { position: relative; isolation: isolate; padding: var(--s-2) 6px var(--s-3); }
.xb__wires, .xb__tokens { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.xb__wires { z-index: 0; }
.xb__tokens { z-index: 1; }
.xb__wire { fill: none; stroke: var(--xb-line); stroke-width: 1; stroke-dasharray: 1 0; vector-effect: non-scaling-stroke; }
.xb__tok { fill: var(--paper); stroke: var(--ink); stroke-width: 1; }
.xb__nodes { --cols: 1; position: relative; z-index: 2; display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); gap: var(--s-6) clamp(var(--s-5), 3.4cqi, var(--s-8)); margin: 0; padding: 0; list-style: none; }
.xb__nodes[hidden] { display: none; }
.xb-n { position: relative; min-width: 0; }
.xb-node {
	position: relative;
	isolation: isolate;
	display: grid;
	align-content: start;
	gap: var(--s-2);
	width: 100%;
	height: 100%;
	min-height: 128px;
	padding: 12px 14px 14px;
	border: var(--bw) solid var(--xb-line);
	background: var(--xb-node);
	color: var(--paper);
	text-align: left;
	transition: border-color var(--dur-ui) var(--ease-mech), background-color var(--dur-ui) var(--ease-mech);
}
button.xb-node[aria-disabled="true"] { cursor: default; }
.xb-node:focus-visible { outline: var(--bw-focus) solid var(--cyan); outline-offset: 3px; }
@media (hover: hover) { button.xb-node[aria-disabled="false"]:hover { border-color: var(--paper); } }
.xb-node__top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); }
.xb-icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; flex: none; }
.xb-icon--bust { width: 16px; height: 16px; }
.xb-node__id { font: 500 .625rem/1 var(--f-mono); letter-spacing: .08em; color: var(--steel); }
.xb-node__step { font: var(--w-ui) .9375rem/1.3 var(--f-sans); text-wrap: pretty; }
.xb-node__actor { display: inline-flex; align-items: center; gap: 6px; font: 500 .6875rem/1.3 var(--f-mono); color: var(--paper-72); }
.xb-node__meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; min-height: 1.4em; font: 600 .75rem/1.35 var(--f-mono); font-variant-numeric: tabular-nums; }
.xb-node__meta:empty { min-height: 0; }
.xb-node__num { color: var(--paper); }
.xb-node__was { color: var(--steel); font-weight: 500; }
.xb-node__now { color: var(--cyan); }
.xb-node__keep { color: var(--paper-72); }
.xb-node__tag { font: 500 .625rem/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--paper-72); }
.xb-node__tag:empty { display: none; }
.xb-chip { min-height: 20px; font-size: .625rem; }
.xb-chip.is-human { --sig: var(--paper); color: var(--paper); }

/* Heat: the −47° hatch in its discrete step, under the text; a heat bar along the bottom. */
/* .4: the hatch reads as heat without striping through the step text (was .55). */
.xb-n.is-hot .xb-node::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--hatch); opacity: .4; color: var(--heat-0); }
.xb-n.is-hot .xb-node::after { content: ""; position: absolute; left: -1px; right: -1px; bottom: -1px; height: 3px; background: currentColor; color: var(--heat-0); }
.xb-n.is-hot .xb-node[data-heat="1"]::before, .xb-n.is-hot .xb-node[data-heat="1"]::after { color: var(--heat-1); }
.xb-n.is-hot .xb-node[data-heat="2"]::before, .xb-n.is-hot .xb-node[data-heat="2"]::after { color: var(--heat-2); }
.xb-n.is-hot .xb-node[data-heat="3"]::before, .xb-n.is-hot .xb-node[data-heat="3"]::after { color: var(--heat-3); }
.xb-n.is-hot .xb-node[data-heat="4"]::before, .xb-n.is-hot .xb-node[data-heat="4"]::after { color: var(--heat-4); }
.xb-n.is-hot .xb-node[data-heat="4"] .xb-node__num { color: var(--molten); }
/* After the AI pass the hatch cools; the heat bar stays as the "was". */
.xb-n.is-ai .xb-node::before { opacity: .18; }
.xb-n.is-humanmark .xb-node { border-style: dashed; }

/* The visitor's guess: a hand-pencilled ring (C-07). */
.xb-node__ring { position: absolute; inset: -12px -14px; z-index: 3; width: calc(100% + 28px); height: calc(100% + 24px); overflow: visible; pointer-events: none; visibility: hidden; }
.xb-node__ring path { fill: none; stroke: var(--paper); stroke-width: 1.5; stroke-linecap: round; vector-effect: non-scaling-stroke; stroke-dasharray: 1 1; stroke-dashoffset: 0; }
.xb-n.is-marked .xb-node__ring { visibility: visible; }
.xb-n.is-marked .xb-node__ring path { animation: xb-draw 300ms var(--ease-mech) both; }
@keyframes xb-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

/* Verdict tags. */
.xb-n.is-seen .xb-node__tag { color: var(--cyan); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .35em; }
.xb-n.is-missed .xb-node { outline: 2px solid var(--molten); outline-offset: -1px; }
.xb-n.is-missed .xb-node__tag { color: var(--molten); }

/* After-state nodes (the merged flow). */
.xb-node--after { min-height: 140px; border-color: var(--cyan); }
.xb-node--after .xb-node__id { color: var(--cyan); }
.xb-node__check { font: italic 400 .8125rem/1.4 var(--f-serif); color: var(--paper-72); }
.xb-node__chips { display: flex; flex-wrap: wrap; gap: 4px; }

/* Beams: a 2 px edge and a translucent band (amber-warm for the heat pass, cyan for the AI pass). */
.xb__beam { position: absolute; inset: 0; z-index: 4; pointer-events: none; opacity: 0; background: rgb(255 165 31 / .1); }
.xb__beam.is-on { opacity: 1; }
.xb__beam.is-ai { background: rgb(2 168 233 / .1); }
.xb__beamedge { position: absolute; left: 0; top: 0; height: 2px; background: var(--n-grad); transform-origin: 50% 50%; }
.xb__beam.is-ai .xb__beamedge { background: var(--cyan); }

/* ---- guess: the instruction above the steps, the count + run below them ---------------- */
.xb__guesslead { display: grid; gap: var(--s-2); margin-top: calc(-1 * var(--s-2)); }
.xb__guesslead[hidden] { display: none; }
.xb__guess { display: grid; gap: var(--s-2); padding: var(--s-4) 0; border-top: var(--bw) solid var(--rule); }
.xb__guess[hidden] { display: none; }
.xb__guesstitle { font: var(--w-h3) var(--t-h4)/1.25 var(--f-sans); }
.xb__guesshint { margin: 0; color: var(--fg-2); max-width: 60ch; }
.xb__guesscount { margin: 0; font: 600 .875rem/1.4 var(--f-mono); color: var(--paper); }
.xb__guessacts { margin-top: var(--s-2); }

/* ---- readout (the page's dot-matrix instance) ------------------------------------------ */
.xb__readout { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-8); padding: var(--s-4) 0; border-top: var(--bw) solid var(--rule); }
.xb__readout[hidden] { display: none; }
.xb__read { flex: 0 1 auto; min-width: min(100%, 16rem); }
.xb__read .nx-readout__value { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.75rem); white-space: nowrap; }
.xb__read.nx-readout--leak .nx-readout__value { color: var(--molten); }

/* ---- verdict -------------------------------------------------------------------------- */
.xb__verdict { display: grid; gap: var(--s-4); padding: var(--s-5) 0 0; border-top: var(--bw) solid var(--rule); }
.xb__verdict[hidden] { display: none; }
.xb__verdictline { margin: 0; font: var(--w-h2) var(--t-h3)/1.15 var(--f-sans); letter-spacing: var(--tr-h3); max-width: 34ch; outline: none; }
.xb__sums { display: grid; gap: var(--s-2); margin: 0; padding: 0; list-style: none; }
.xb__sums li { font: 500 .875rem/1.5 var(--f-mono); color: var(--paper-72); max-width: 80ch; }
.xb__sums li.is-main { font-size: 1rem; color: var(--paper); }
.xb__sums li.is-note { font-family: var(--f-sans); }
.xb__sums li.is-voice { font: italic 400 var(--t-lead)/1.4 var(--f-serif); color: var(--paper); }
.xb__toggle { justify-self: start; }
.xb__toggle > button { min-height: 44px; }
.xb__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-5); padding-top: var(--s-2); }
.xb__cta .nx-micro { margin: 0; }

/* ---- «Κανείς» lane -------------------------------------------------------------------- */
.xb__nobody { padding: var(--s-5) 0; border-top: var(--bw) dashed var(--rule-dark); }
.xb__nobody[hidden] { display: none; }
.xb__nbtitle { font: var(--w-h3) var(--t-h4)/1.25 var(--f-sans); }
.xb__nbsub { margin: var(--s-1) 0 var(--s-4); color: var(--fg-2); }
.xb__nblist { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: var(--s-4); margin: 0; padding: 0; list-style: none; }
.xb-ghost { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s-3); padding: var(--s-4); border: 1.5px dashed rgb(241 238 230 / .45); color: var(--paper); font: 400 .9375rem/1.45 var(--f-sans); }
.xb-ghost__q { font: 600 1.125rem/1.2 var(--f-mono); color: var(--steel); }

/* ---- decode, nav, title block -------------------------------------------------------- */
.xb__decode { border-top: var(--bw) solid var(--rule); }
.xb__decodesum { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); min-height: 52px; list-style: none; font: var(--w-ui) .9375rem/1.3 var(--f-sans); }
.xb__decodebody { display: grid; gap: var(--s-3); padding-bottom: var(--s-4); max-width: 80ch; }
.xb__formula { font: 400 .75rem/1.6 var(--f-mono); color: var(--paper-72); }
.xb__honesty { font-size: var(--t-small); color: var(--paper-72); }
.xb__nav { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); }
.xb__nav [hidden] { display: none; }
.xb__tablebtn { margin-left: auto; }
.xb__titleblock { margin: 0 calc(-1 * clamp(var(--s-4), 3cqi, var(--s-7))); padding: var(--s-3) clamp(var(--s-4), 3cqi, var(--s-7)) calc(var(--s-3) + var(--ch-sheet) * .4); border-top: var(--bw) solid var(--rule-dark); font: 500 .625rem/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--steel); }
.xb.is-live .xb__fallback { margin-top: var(--s-5); }
.xb.is-live .xb__fallback[hidden] { display: none; }
.xb.is-live .xb-fb__cta { display: none; }

/* ---- phones: single-column snake; the readout sticks to the bottom of the board -------- */
/* Named container: the readout is itself an inline-size container (.nx-readout), so an unnamed query would
   resolve against it and shrink the dot-matrix figures on every screen. */
@container xb (max-width: 559px) {
	.xb-node { min-height: 0; }
	.xb__nodes { gap: var(--s-5); }
	.xb__readout { position: sticky; bottom: 0; z-index: 5; margin-inline: calc(-1 * var(--s-4)); padding: var(--s-3) var(--s-4); background: var(--ink); gap: var(--s-2) var(--s-5); }
	/* The count and «Τρέξτε την ακτινογραφία» ride along the bottom while the snake of steps scrolls by. */
	/* Compact: «Σημειώσατε n» and «Χωρίς εκτίμηση» on one line, the run button full width under them. */
	.xb__guess { position: sticky; bottom: 0; z-index: 5; margin-inline: calc(-1 * var(--s-4)); padding: var(--s-3) var(--s-4); background: var(--ink); grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--s-2) var(--s-3); }
	.xb__guessacts { display: contents; }
	.xb__guess .xb__skip { grid-row: 1; grid-column: 2; min-height: 40px; }
	.xb__guess .xb__run { grid-row: 2; grid-column: 1 / -1; justify-content: center; }
	.xb__read .nx-readout__value { font-size: 1.875rem; }
	.xb__stages li { padding: 0 6px; font-size: .5625rem; letter-spacing: .04em; }
	.xb__tablebtn { margin-left: 0; }
}

/* Reduced motion: final states, no ring draw. */
html.rm .xb-node__ring path { animation: none; }
}