/*
 * Tokens. The previous palette, unchanged, plus the additive tokens from the
 * Magic Patterns export (sunk surface, strong border, accent ink, focus, info
 * and the demonstration pair).
 */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-sunk: #eef0f3;
  --border: #dfe3e8;
  --border-strong: #c4cad2;
  --ink: #16191d;
  --ink-soft: #5b626b;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --focus: #1d4ed8;
  --allow: #0f7a4a;
  --allow-bg: #e6f4ec;
  --deny: #b4232c;
  --deny-bg: #fdeaeb;
  --approval: #8a5a00;
  --approval-bg: #fdf3e0;
  --failed: #8a4b00;
  --failed-bg: #fdeee0;
  --info: #1d4ed8;
  --info-bg: #e8eefc;
  --proto: #5b21b6;
  --proto-bg: #f1ebfd;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101317;
    --surface: #181c22;
    --surface-sunk: #14181d;
    --border: #2b313a;
    --border-strong: #3a414c;
    --ink: #e8eaed;
    --ink-soft: #9aa3ae;
    --accent: #7ba2ff;
    --accent-ink: #0b1220;
    --focus: #7ba2ff;
    --allow: #5bd49a;
    --allow-bg: #10291f;
    --deny: #ff8a90;
    --deny-bg: #2c1618;
    --approval: #f0c069;
    --approval-bg: #2a2114;
    --failed: #f0a768;
    --failed-bg: #2a1d12;
    --info: #7ba2ff;
    --info-bg: #141c2e;
    --proto: #c4b0ff;
    --proto-bg: #221a38;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 var(--sans);
}
.mono { font-family: var(--mono); font-size: 12.5px; }
.tnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-soft); }
.nowrap { white-space: nowrap; }
.allow-text { color: var(--allow); font-weight: 600; }
.deny-text { color: var(--deny); font-weight: 600; }
.failed-text { color: var(--failed); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
/*
 * Links in prose are underlined, not just coloured. WCAG 1.4.1: colour alone
 * cannot be the only thing that marks a link, and these pages are read in
 * greyscale often enough — printed into an audit report — that the underline
 * is the only cue that survives.
 *
 * It comes back off where the link is the whole content of a cell, a chip or a
 * nav item: there the link is identified by its position and its column
 * heading, not by its colour, and underlining every identifier in a dense
 * table costs legibility for nothing.
 */
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
.dt a, .matrix a, .rail-item, .chip, .button, .skip-link,
.count-line a, .filters a, .section-aside a, .back a,
h1 a, h2 a, .attention a.cta, .masthead a, details.raw summary a {
  text-decoration: none;
}
.dt a:hover, .matrix a:hover, .count-line a:hover, .section-aside a:hover,
.back a:hover, h1 a:hover, h2 a:hover, .attention a.cta:hover {
  text-decoration: underline;
}

/* Focus: a 3px ring at 2px offset, never removed. */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 50;
  background: var(--surface); padding: 8px 12px; border: 1px solid var(--border);
}
.skip-link:focus { left: 8px; top: 8px; }

/* Motion: colour only, 120ms, links and controls only. */
a, button, .chip, .rail-item { transition: color 120ms, background-color 120ms, border-color 120ms; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* --- the shell --- */
.demo-strip {
  display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap;
  padding: 8px 20px; background: var(--proto-bg); color: var(--proto);
  border-bottom: 1px solid var(--border); font-size: 12.5px;
}
.demo-strip strong { white-space: nowrap; }
.shell { display: flex; min-height: 100%; }
.rail {
  display: flex; flex-direction: column; width: 216px; flex-shrink: 0;
  border-right: 1px solid var(--border); background: var(--surface-sunk);
}
.rail-brand {
  display: flex; align-items: center; gap: 10px; height: 56px;
  padding: 0 20px; border-bottom: 1px solid var(--border);
}
.mark { width: 16px; height: 16px; border-radius: 3px; background: var(--accent); }
.wordmark { font-size: 15px; letter-spacing: -0.01em; }
.wordmark strong { font-weight: 600; }
.rail-groups { flex: 1; padding: 16px 12px; }
.rail-group { margin-bottom: 16px; }
.rail-group-label {
  padding: 0 8px 4px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft);
}
.rail-group ul { list-style: none; margin: 0; padding: 0; }
.rail-item {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  height: 32px; padding: 0 8px; border-radius: 6px;
  color: var(--ink-soft); text-decoration: none;
}
.rail-item:hover { background: var(--surface); color: var(--ink); text-decoration: none; }
.rail-item.active { background: var(--surface); color: var(--ink); font-weight: 600; }
.rail-mark {
  position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px;
  border-radius: 2px; background: var(--accent);
}
.rail-count { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--approval); }
.rail-foot {
  padding: 12px 20px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--ink-soft);
}
.column { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.masthead {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 56px; padding: 8px 32px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); background: var(--surface);
}
.masthead p { margin: 0; font-size: 13px; color: var(--ink-soft); }
.masthead strong { color: var(--ink); }
.masthead-api { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
main { flex: 1; min-width: 0; }
.main-inner { max-width: 1360px; margin: 0 auto; padding: 24px 32px 64px; }

.banner {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  padding: 10px 16px; border: 1px solid; border-radius: var(--radius); font-size: 14px;
}
.banner-glyph { font-family: var(--mono); font-weight: 700; }
.banner.info { border-color: var(--info); background: var(--info-bg); color: var(--info); }
.banner.success { border-color: var(--allow); background: var(--allow-bg); color: var(--allow); }
.banner.error { border-color: var(--deny); background: var(--deny-bg); color: var(--deny); }

/* --- page furniture --- */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 32px; margin-bottom: 24px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.page-header-text { min-width: 0; }
.page-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; flex-wrap: wrap; }
h1 { font-size: 22px; font-weight: 650; line-height: 1.3; letter-spacing: -0.01em; margin: 0; }
h1.display { font-size: 28px; line-height: 1.2; }
h2 { font-size: 16px; font-weight: 650; margin: 0 0 12px; }
h3, h2.quiet { font-size: 12px; font-weight: 600; color: var(--ink-soft); margin: 0 0 8px; }
.lede { margin: 6px 0 0; max-width: 78ch; font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.section-title {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin: 32px 0 12px;
}
.section-title h2 { margin: 0; }
.section-aside { font-size: 13px; color: var(--ink-soft); }
.back { margin: 0 0 12px; font-size: 13px; }
.note {
  font-size: 13px; color: var(--ink-soft); margin: 12px 0 0;
  max-width: 100ch; line-height: 1.55; overflow-wrap: anywhere;
}
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 16px;
}
.card.broken { border-color: var(--deny); background: var(--deny-bg); }
.empty {
  padding: 24px 16px; text-align: center; font-size: 14px; color: var(--ink-soft);
  border: 1px dashed var(--border-strong); border-radius: var(--radius); margin: 0;
}
/*
 * minmax(0, ...) on every track, so a wide table inside a column scrolls in
 * its own wrapper instead of stretching the page. A grid item's default
 * minimum is its content, which is what makes an overflowing table push the
 * whole document sideways.
 */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: start; }
.split-wide { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 40px; align-items: start; }
.split-even { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.with-detail { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 24px; align-items: start; }
.stack > * + * { margin-top: 20px; }

/* --- tables --- */
.table-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); overflow-x: auto; contain: paint;
}
table.dt { width: 100%; border-collapse: collapse; }
.dt th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-soft);
  background: var(--surface-sunk); padding: 7px 12px;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.dt td { padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.dt tr:last-child td { border-bottom: 0; }
.dt.compact td { padding: 5px 12px; }
.dt th.numeric, .dt td.numeric { text-align: right; }
.dt tbody tr:hover td { background: var(--surface-sunk); }
.dt tr.flagged td { background: var(--deny-bg); }
.dt .sub { display: block; font-size: 13px; color: var(--ink-soft); }
.dt th[scope=row] {
  font-weight: 400; font-size: 12.5px; color: var(--ink-soft);
  background: var(--surface-sunk); font-family: var(--mono);
}
.defs { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0; font-size: 13px; }
.defs dt { color: var(--ink-soft); }
.defs dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* --- filters and counts --- */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.filters-label { margin-right: 8px; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.chip {
  display: inline-flex; align-items: center; gap: 6px; height: 28px;
  padding: 0 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--ink); font-size: 13px; white-space: nowrap;
}
.chip:hover { border-color: var(--border-strong); background: var(--surface-sunk); text-decoration: none; }
.chip.active { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.chip-count { font-size: 12px; color: var(--ink-soft); }
.chip.active .chip-count { color: var(--bg); opacity: 0.8; }
.count-line {
  display: flex; flex-wrap: wrap; align-items: center; gap: 2px;
  margin: 0; font-size: 14px; color: var(--ink-soft);
}
.count-line .tnum { font-weight: 600; color: var(--ink); }
.count-line .sep { margin: 0 6px; }
.count-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-top: 24px; padding: 12px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}

/* --- badges --- */
.badge {
  display: inline-flex; align-items: center; height: 20px; padding: 0 8px;
  border: 1px solid; border-radius: 999px; font-size: 11.5px; font-weight: 600;
  line-height: 1; white-space: nowrap;
}
.badge.allow { background: var(--allow-bg); color: var(--allow); border-color: var(--allow); }
.badge.deny { background: var(--deny-bg); color: var(--deny); border-color: var(--deny); }
.badge.approval { background: var(--approval-bg); color: var(--approval); border-color: var(--approval); }
.badge.failed { background: var(--failed-bg); color: var(--failed); border-color: var(--failed); }
.badge.info { background: var(--info-bg); color: var(--info); border-color: var(--info); }
.badge.muted { background: var(--surface-sunk); color: var(--ink-soft); border-color: var(--border-strong); }
.status-dot, .health { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 13px; }
.status-dot .dot, .health .dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.ok { color: var(--ink); }
.status-dot.ok .dot { background: var(--allow); }
.status-dot.bad { color: var(--deny); }
.status-dot.bad .dot { background: var(--deny); }
.health { font-weight: 600; }
.health.ok { color: var(--allow); }
.health.ok .dot { background: var(--allow); }
.health.degraded { color: var(--failed); }
.health.degraded .dot { background: var(--failed); }
.effect-letter { font-family: var(--mono); font-size: 12px; font-weight: 700; }
.effect-letter.allow { color: var(--allow); }
.effect-letter.deny { color: var(--deny); }
.effect-letter.approval { color: var(--approval); }

/* --- digests and JSON --- */
.digest-row { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 6px 0; font-size: 13px; }
.digest-note { font-size: 11.5px; color: var(--ink-soft); }
code.digest {
  font-family: var(--mono); font-size: 12.5px; background: var(--surface-sunk);
  padding: 4px 8px; border-radius: 4px; user-select: all; word-break: break-all;
}
pre.json {
  font-family: var(--mono); font-size: 12.5px; background: var(--surface-sunk);
  border-radius: 6px; padding: 12px 16px; margin: 0; max-height: 420px;
  overflow: auto; line-height: 1.6;
}
details.raw { border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
details.raw > summary { padding: 8px 12px; font-size: 13px; font-weight: 600; }
details.raw > pre.json { border-top: 1px solid var(--border); border-radius: 0 0 6px 6px; }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "▸"; display: inline-block; width: 1em; color: var(--ink-soft); }
details[open] > summary::before { content: "▾"; }

/* --- forms --- */
form { margin: 0; }
form.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
label.field { display: block; font-size: 12px; font-weight: 600; margin-bottom: 12px; }
button, .button {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-size: 14px; height: 32px; padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: 6px;
  background: var(--surface); color: var(--ink); cursor: pointer; font-weight: 600;
}
button:hover, .button:hover { background: var(--surface-sunk); text-decoration: none; }
button.primary, .button.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
}
button.primary:hover, .button.primary:hover { opacity: 0.9; background: var(--accent); }
button.danger, .button.danger {
  background: var(--surface); border-color: var(--deny); color: var(--deny);
}
button.danger:hover, .button.danger:hover { background: var(--deny-bg); }
button.danger-solid { background: var(--deny); border-color: var(--deny); color: var(--surface); }
button.small, .button.small { height: 28px; padding: 0 12px; font-size: 13px; }
input[type=text], input[type=number], textarea, select {
  font: inherit; font-size: 14px; width: 100%; margin-top: 4px;
  padding: 6px 10px; border: 1px solid var(--border-strong); border-radius: 6px;
  background: var(--surface); color: var(--ink);
}
input.mono, textarea.mono { font-family: var(--mono); font-size: 12.5px; }
textarea { resize: vertical; }
.field-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.field-row > label.field { flex: 1; margin-bottom: 0; min-width: 180px; }
.hint { font-size: 12px; color: var(--ink-soft); }

/* --- the attention list on Overview --- */
.attention { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.attention li { display: flex; align-items: center; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.attention li:last-child { border-bottom: 0; }
.attention .tone { width: 3px; height: 32px; border-radius: 2px; flex-shrink: 0; }
.attention .tone.deny { background: var(--deny); }
.attention .tone.approval { background: var(--approval); }
.attention p { margin: 0; flex: 1; min-width: 0; font-size: 15px; }
.attention p.deny { color: var(--deny); }
.attention a.cta { flex-shrink: 0; white-space: nowrap; font-size: 14px; font-weight: 600; }
.calm { margin: 0; padding: 16px 20px; font-size: 15px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }

/* --- the decision ladder --- */
ol.ladder { list-style: none; margin: 0; padding: 0; }
ol.ladder li {
  display: grid; grid-template-columns: 28px 150px 1fr auto;
  gap: 12px; align-items: start; padding: 12px 0; border-bottom: 1px solid var(--border);
}
ol.ladder li:last-child { border-bottom: 0; }
ol.ladder li.on { background: var(--surface-sunk); }
ol.ladder .rung { text-align: center; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
ol.ladder .rule-id { font-family: var(--mono); font-size: 12.5px; font-weight: 600; overflow-wrap: anywhere; }
ol.ladder .rule-body { min-width: 0; font-size: 13px; }
ol.ladder .rule-body p { margin: 0 0 4px; }
ol.ladder .rule-body p:last-child { margin-bottom: 0; }
ol.ladder.narrow li { grid-template-columns: 24px minmax(0, 1fr); }
ol.ladder.narrow .rule-id, ol.ladder.narrow .rule-body { grid-column: 2; }
ol.ladder.narrow .badge { grid-column: 2; justify-self: start; margin-top: 6px; }
code.cond {
  font-family: var(--mono); font-size: 12.5px; background: var(--surface-sunk);
  padding: 2px 6px; border-radius: 4px;
}

/* --- chips for policy scope --- */
.chips { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.scope-chip {
  display: inline-flex; align-items: center; height: 22px; padding: 0 6px;
  border: 1px solid var(--border-strong); border-radius: 4px;
  background: var(--surface-sunk); font-size: 12px;
}
.scope-chip .k { color: var(--ink-soft); margin-right: 4px; }
.scope-chip .v { font-family: var(--mono); }
.label-tag {
  display: inline-flex; align-items: center; height: 22px; padding: 0 6px;
  border: 1px solid var(--border); border-radius: 4px; font-size: 12px; color: var(--ink-soft);
}
.label-tag.control { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; }

/* --- the evidence timeline --- */
ol.timeline { list-style: none; margin: 0 0 16px; padding: 0; }
ol.timeline li { position: relative; display: grid; grid-template-columns: 20px 1fr; gap: 12px; padding-bottom: 20px; }
ol.timeline li .spine { position: absolute; left: 9px; top: 16px; bottom: 0; width: 1px; background: var(--border-strong); }
ol.timeline .node {
  margin-top: 4px; width: 11px; height: 11px; justify-self: center;
  border-radius: 50%; border: 2px solid var(--border-strong); background: var(--surface);
}
ol.timeline .node.allow { border-color: var(--allow); background: var(--allow); }
ol.timeline .node.deny { border-color: var(--deny); background: var(--deny); }
ol.timeline .node.approval { border-color: var(--approval); background: var(--approval); }
ol.timeline .node.plain { border-color: var(--ink); background: var(--ink); }
ol.timeline .stage { font-size: 13px; min-width: 0; }
ol.timeline .stage-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
ol.timeline .stage-head .name { font-weight: 600; }
ol.timeline .stage-head .name.hollow { font-weight: 400; color: var(--ink-soft); }

/* --- the access matrix --- */
/*
 * contain:paint here is load-bearing, not decoration. Without it the matrix
 * table's intrinsic width leaks into the root scroller even though this
 * wrapper clips it, and the whole page gains a horizontal scrollbar on a
 * phone. The containment is also simply true: nothing in here paints outside
 * the box. The focus ring is inset so the containment cannot clip it.
 */
.matrix-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); overflow-x: auto; contain: paint;
}
.matrix-wrap:focus-visible, .table-wrap:focus-visible { outline-offset: -3px; }
table.matrix { width: 100%; border-collapse: collapse; font-size: 13px; }
table.matrix th.corner {
  position: sticky; left: 0; z-index: 2; min-width: 200px;
  background: var(--surface-sunk); text-align: left; padding: 8px 12px;
  font-size: 12px; font-weight: 600; color: var(--ink-soft);
  border-bottom: 1px solid var(--border-strong); border-right: 1px solid var(--border-strong);
}
table.matrix thead th.tool {
  min-width: 180px; background: var(--surface-sunk); text-align: left; vertical-align: bottom;
  padding: 8px 12px; border-bottom: 1px solid var(--border-strong); border-left: 1px solid var(--border-strong);
}
table.matrix thead th.tool .name { font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--ink); }
table.matrix thead th.tool .meta { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 12px; font-weight: 400; color: var(--ink-soft); }
table.matrix th.agent {
  position: sticky; left: 0; z-index: 1; background: var(--surface);
  text-align: left; vertical-align: top; font-weight: 400; padding: 10px 12px;
  border-bottom: 1px solid var(--border-strong); border-right: 1px solid var(--border-strong);
}
table.matrix td.cell { padding: 0; vertical-align: top; border-bottom: 1px solid var(--border); border-left: 1px solid var(--border); }
table.matrix td.cell.on { background: var(--info-bg); }
table.matrix td.cell > a { display: block; height: 100%; padding: 10px 12px; color: inherit; }
table.matrix td.cell > a:hover { background: var(--surface-sunk); text-decoration: none; }
table.matrix tr.suspended { opacity: 0.6; }
.cell-declared { font-size: 12px; font-weight: 600; color: var(--ink); }
.cell-undeclared { font-size: 12px; color: var(--ink-soft); }
.cell-policies { font-family: var(--mono); font-size: 12.5px; margin-top: 4px; color: var(--ink); }
.cell-effects { display: flex; gap: 8px; margin-top: 4px; }
.cell-none { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 16px; font-size: 13px; color: var(--ink-soft); }
.legend span.item { display: inline-flex; align-items: center; gap: 6px; }

/* --- the stacked bar --- */
.stacked-bar { display: block; width: 100%; height: 36px; border-radius: 6px; overflow: hidden; }

/* --- narrow screens --- */
@media (max-width: 900px) {
  .shell { flex-direction: column; min-height: auto; }
  .rail { width: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .rail-brand { border-bottom: 0; }
  .rail-groups {
    display: flex; gap: 20px; padding: 0 16px 12px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
  }
  .rail-group { margin-bottom: 0; }
  .rail-group ul { display: flex; gap: 4px; }
  .rail-item { padding: 0 10px; gap: 6px; white-space: nowrap; }
  .rail-mark { top: auto; bottom: 0; left: 8px; right: 8px; width: auto; height: 2px; }
  .rail-foot { display: none; }
  .masthead { padding: 8px 16px; }
  .main-inner { padding: 20px 16px 48px; }
  .split, .split-wide, .split-even, .with-detail { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .digest-row { grid-template-columns: 1fr; gap: 2px; }
  ol.ladder li { grid-template-columns: 24px 1fr; }
  ol.ladder .rule-id { grid-column: 2; }
  ol.ladder .rule-body { grid-column: 2; }
  ol.ladder .badge { grid-column: 2; justify-self: start; }
  h1 { font-size: 20px; }
  h1.display { font-size: 24px; }
}

/* --- print: the page becomes the audit exhibit --- */
@media print {
  :root { --bg: #fff; --surface: #fff; --surface-sunk: #f4f4f4; --border: #bbb; --border-strong: #999; --ink: #000; --ink-soft: #444; }
  .rail, .masthead, .skip-link, form, .filters, .page-header-actions, .attention a.cta { display: none !important; }
  .shell { display: block; }
  .main-inner { max-width: none; padding: 0; }
  /*
   * An opened disclosure prints in full. A closed one stays closed: without
   * client JavaScript nothing can open it at print time, and an exhibit that
   * silently grew a JSON appendix the operator did not open would be worse
   * than one that shows exactly what was on screen.
   */
  details[open] > pre.json { max-height: none; overflow: visible; }
  .table-wrap, .card, .matrix-wrap { overflow: visible; break-inside: avoid; }
  a { color: #000; text-decoration: underline; }
  .badge { border-color: #000 !important; }
}

.inert { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; flex-direction: column; }
.inert .field-row, .inert > label.field, .inert > div { width: 100%; }
/*
 * Disabled, not dimmed. Opacity drops these below the AA contrast threshold,
 * and the buttons are the point of the page — an operator sitting in front of
 * the real console has an Approve button, so the showcase has to let you read
 * it. The muted token pair is the same one the rest of the design uses for a
 * quiet control, and it passes.
 */
.inert button, .inert .button {
  cursor: not-allowed;
  background: var(--surface-sunk);
  border-color: var(--border-strong);
  color: var(--ink-soft);
}
.inert button.primary, .inert .button.primary,
.inert button.danger, .inert .button.danger,
.inert button.danger-solid {
  background: var(--surface-sunk);
  border-color: var(--border-strong);
  color: var(--ink-soft);
}
.inert textarea, .inert input {
  cursor: not-allowed;
  background: var(--surface-sunk);
  color: var(--ink-soft);
}
.inert-note {
  margin: 4px 0 0; font-size: 12px; line-height: 1.5; color: var(--ink-soft);
  border-left: 2px solid var(--border-strong); padding-left: 10px; max-width: 70ch;
}
.showcase-home {
  margin-left: auto; white-space: nowrap; font-weight: 600;
  color: var(--proto); text-decoration: underline; text-underline-offset: 2px;
}
@media (max-width: 900px) { .showcase-home { margin-left: 0; } }
@media print { .inert-note { color: #444; } }