.proof-page {
  --ink: #2cff56; --black: #050505; --panel: #111111; --amber: #ffb200; --error: #ff3333; --cursor: #ffffff;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  margin: 0; background: var(--black); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 18px; line-height: 1.6; color-scheme: dark;
}
.proof-page *, .proof-page *::before, .proof-page *::after { box-sizing: border-box; }
.proof-page::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 5; opacity: .02;
  background: repeating-linear-gradient(to bottom, transparent 0, transparent 3px, #ffffff 3px, #ffffff 4px);
}
.proof-page [hidden] { display: none !important; }
.proof-page h1, .proof-page h2, .proof-page h3 {
  font-family: var(--mono); font-weight: 700; line-height: 1.18; margin: 0;
  text-wrap: balance; overflow-wrap: anywhere;
}
.proof-page h1 { font-size: 2.25rem; letter-spacing: -.045em; max-width: 23ch; text-shadow: 2px 2px 4px #2cff5633; }
.proof-page h2 { font-size: 1.5rem; letter-spacing: -.02em; }
.proof-page h3 { font-size: 1.125rem; }
.proof-page p { margin: 0 0 16px; max-width: 67ch; }
.proof-page a { color: inherit; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.proof-page a:hover { color: var(--amber); }
.proof-page a:focus-visible, .proof-page button:focus-visible, .proof-page input:focus-visible {
  outline: 3px solid var(--cursor); outline-offset: 4px;
}
.proof-page main:focus { outline: none; }
.proof-page ul, .proof-page ol { margin: 0; padding: 0; }
.proof-shell { width: min(1280px, calc(100% - 96px)); margin-inline: auto; }
.proof-skip {
  display: block; position: fixed; top: 16px; left: 16px; z-index: 10;
  transform: translateY(-200%); padding: 12px 24px; min-height: 48px;
  color: var(--black) !important; background: var(--amber); border-radius: 8px; font-size: 16px;
}
.proof-skip:focus { transform: translateY(0); }
.proof-mast {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 24px; padding-block: 24px; border-bottom: 1px solid var(--ink);
  font-family: var(--mono); font-size: 16px; line-height: 1.5;
}
.proof-mast p { margin: 0; }
.proof-mast-label { display: flex; align-items: center; gap: 16px; }
.proof-mark { font-size: 24px; line-height: 1; color: var(--amber); }
.proof-mast-mode { letter-spacing: .02em; }
.proof-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 64px; padding-block: 56px 64px; }
.proof-hero-copy, .proof-hero-map { min-width: 0; }
.proof-eyebrow { font-family: var(--mono); font-size: 16px; color: var(--amber); margin-bottom: 24px !important; }
.proof-scenario { margin-top: 24px !important; }
.proof-lead { font-weight: 600; margin-block: 16px 24px !important; }
.proof-notice { border-left: 5px solid var(--amber); background: var(--panel); padding: 16px 24px; margin-block: 24px; border-radius: 0 8px 8px 0; }
.proof-notice h2 { color: var(--amber); font-size: 1.125rem; margin-bottom: 8px; }
.proof-notice p { margin-bottom: 0; }
.proof-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
.proof-action {
  display: inline-flex; justify-content: space-between; align-items: center; gap: 16px;
  min-height: 56px; padding: 12px 20px; border: 1px solid var(--amber); border-radius: 8px;
  font-family: var(--mono); font-size: 16px; line-height: 1.5;
  text-decoration: none; color: var(--black) !important; background: var(--amber);
}
.proof-action:nth-child(even) { background: var(--black); color: var(--amber) !important; }
.proof-action:hover { box-shadow: 0 0 0 2px var(--amber); }
.proof-hero-map { align-self: center; padding-bottom: 8px; }
.proof-map { border: 1px solid var(--ink); border-left: 5px solid var(--ink); border-radius: 8px; margin: 0; background: var(--panel); }
.proof-map-bar { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--ink); padding: 12px 24px; font-family: var(--mono); font-size: 16px; }
.proof-cursor { color: var(--cursor); animation: proof-blink 1.2s steps(1, end) infinite; }
.proof-map-nodes { list-style: none; padding: 24px !important; display: grid; gap: 32px; }
.proof-map-node { position: relative; border: 1px solid var(--ink); border-radius: 8px; padding: 16px; text-align: center; font-family: var(--mono); font-size: 16px; line-height: 1.4; overflow-wrap: anywhere; }
.proof-map-node:not(:last-child)::after { content: ""; position: absolute; width: 16px; height: 32px; left: calc(50% - 8px); bottom: -33px; background: url("../media/flow-connector.svg") center / 16px 32px no-repeat; }
.proof-map figcaption { padding: 0 24px 24px; font-size: 16px; line-height: 1.5; }
.proof-band { display: grid; grid-template-columns: minmax(0, .68fr) minmax(0, 1.5fr); gap: 56px; border-top: 1px solid var(--ink); padding-block: 40px 48px; }
.proof-band-heading, .proof-prose { min-width: 0; }
.proof-pixel { display: block; font-family: var(--mono); font-size: 20px; line-height: 1; margin-bottom: 16px; color: var(--amber); }
.proof-prose { max-width: 67ch; }
.proof-prose p { overflow-wrap: anywhere; }
.proof-ask { margin-block: 24px; border-left: 5px solid var(--ink); background: var(--panel); padding: 24px; border-radius: 0 8px 8px 0; }
.proof-ask h3 { margin-bottom: 16px; }
.proof-ask ul { list-style: none; display: grid; gap: 16px; }
.proof-ask li { padding-left: 24px; position: relative; font-size: 18px; line-height: 1.55; }
.proof-ask li::before { content: ">"; font-family: var(--mono); position: absolute; left: 0; color: var(--amber); }
.proof-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 56px; padding: 12px 16px; border: 1px solid var(--ink); border-radius: 8px; margin-top: 24px; font-size: 16px; font-family: var(--mono); line-height: 1.5; }
.proof-kit { display: grid; gap: 40px; margin-bottom: 64px; }
.proof-kit-group:nth-child(even) { padding-left: 96px; }
.proof-kit-group:nth-child(odd) { padding-right: 96px; }
.proof-kit-group h3 { color: var(--amber); margin-bottom: 16px; }
.proof-kit-group ul { list-style: none; display: grid; gap: 8px; }
.proof-kit-entry { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr) 24px; gap: 24px; align-items: center; min-height: 88px; padding: 24px; text-decoration: none; border: 1px solid var(--ink); border-left: 5px solid var(--ink); border-radius: 8px; }
.proof-kit-entry:hover { background: var(--panel); border-left-color: var(--amber); }
.proof-kit-title { font-family: var(--mono); font-size: 20px; line-height: 1.3; font-weight: 700; }
.proof-kit-detail { font-size: 18px; line-height: 1.5; max-width: 48ch; }
.proof-kit-arrow { font-family: var(--mono); color: var(--amber); font-size: 24px; text-align: right; }
.proof-endnotes { border-top: 1px solid var(--ink); padding-block: 40px; }
.proof-endnotes h2 { margin-bottom: 24px; }
.proof-endnotes ul { list-style: none; display: grid; gap: 8px; max-width: 80ch; }
.proof-source-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 48px; padding: 12px 16px; background: var(--panel); border-radius: 8px; font-size: 16px; line-height: 1.5; }
.proof-trail { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-block: 8px 24px; font-family: var(--mono); font-size: 16px; line-height: 1.5; }
.proof-trail a { display: inline-flex; align-items: center; min-width: 64px; min-height: 48px; padding: 12px; border: 1px solid var(--ink); border-radius: 8px; }
.proof-pager { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; padding-bottom: 40px; }
.proof-previous, .proof-next { display: flex; justify-content: space-between; align-items: center; min-height: 64px; gap: 16px; padding: 16px; border: 1px solid var(--ink); border-radius: 8px; font-family: var(--mono); font-size: 16px; line-height: 1.5; }
.proof-next { border-color: var(--amber); color: var(--amber) !important; }
.proof-footer { border-top: 1px solid var(--ink); padding-block: 32px 40px; font-size: 16px; line-height: 1.6; }
.proof-footer nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-block: 16px 24px; }
.proof-footer-link { display: inline-flex; align-items: center; gap: 16px; min-height: 48px; padding: 12px 16px; border: 1px solid var(--ink); border-radius: 8px; font-family: var(--mono); font-size: 16px; line-height: 1.5; }
.proof-footer-signoff { margin-bottom: 0 !important; font-family: var(--mono); font-size: 16px; }
.proof-notes-space { height: 112px; background: none; border-bottom: 1px solid var(--ink); margin-top: 32px; }
.proof-glossary { border-top: 1px solid var(--ink); padding-block: 40px 48px; }
.proof-glossary h2 { margin-bottom: 24px; }
.proof-filter { border-left: 5px solid var(--amber); background: var(--panel); border-radius: 0 8px 8px 0; padding: 24px; margin-bottom: 32px; }
.proof-filter label { display: block; font-family: var(--mono); font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.proof-filter-row { display: flex; gap: 16px; }
.proof-filter input { min-width: 0; flex: 1; min-height: 56px; padding: 12px 16px; background: var(--black); color: var(--ink); border: 1px solid var(--ink); border-radius: 8px; font-family: inherit; font-size: 18px; line-height: 1.5; opacity: 1; -webkit-text-fill-color: var(--ink); }
.proof-filter input::placeholder { color: var(--ink); opacity: 1; }
.proof-filter input::-webkit-search-cancel-button { -webkit-appearance: none; }
.proof-filter button { min-width: 128px; min-height: 56px; padding: 12px 16px; background: var(--amber); color: var(--black); border: 1px solid var(--amber); border-radius: 8px; font-family: var(--mono); font-size: 16px; line-height: 1.5; cursor: pointer; opacity: 1; }
.proof-filter button:disabled { cursor: default; }
.proof-result { font-size: 16px; line-height: 1.5; margin-top: 16px !important; margin-bottom: 0 !important; }
.proof-terms { margin: 0; display: grid; gap: 0; }
.proof-term { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.5fr); gap: 40px; padding: 24px; border-top: 1px solid var(--ink); }
.proof-term:nth-child(odd) { background: var(--panel); }
.proof-term dt { font-family: var(--mono); font-size: 18px; line-height: 1.5; font-weight: 700; }
.proof-term dd { margin: 0; max-width: 67ch; font-size: 18px; line-height: 1.6; }
.proof-empty { border-left: 5px solid var(--error); padding: 16px 24px; background: var(--panel); }
@keyframes proof-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@media (max-width: 1000px) {
  .proof-shell { width: calc(100% - 48px); }
  .proof-hero { gap: 32px; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); padding-block: 40px 48px; }
  .proof-band { grid-template-columns: minmax(0, .7fr) minmax(0, 1.5fr); gap: 32px; }
  .proof-kit-group:nth-child(even) { padding-left: 40px; }
  .proof-kit-group:nth-child(odd) { padding-right: 40px; }
}
@media (max-width: 760px) {
  .proof-shell { width: calc(100% - 32px); }
  .proof-mast { padding-block: 16px; gap: 16px; }
  .proof-mast-mode { font-size: 16px; width: 100%; }
  .proof-hero { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 32px 40px; }
  .proof-page h1 { max-width: 100%; }
  .proof-eyebrow { margin-bottom: 16px !important; }
  .proof-hero-map { padding-bottom: 0; }
  .proof-actions { display: grid; gap: 16px; }
  .proof-action { width: 100%; }
  .proof-map-nodes { padding: 24px !important; gap: 32px; }
  .proof-notice { padding: 16px; }
  .proof-band { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-block: 32px 40px; }
  .proof-band-heading { display: flex; align-items: flex-start; gap: 16px; }
  .proof-pixel { flex: 0 0 24px; margin-top: 4px; margin-bottom: 0; }
  .proof-ask { padding: 20px 16px; }
  .proof-kit { gap: 32px; margin-bottom: 40px; }
  .proof-kit-group:nth-child(n) { padding-inline: 0; }
  .proof-kit-entry { grid-template-columns: minmax(0, 1fr) 24px; gap: 12px 16px; padding: 20px 16px; }
  .proof-kit-title { font-size: 20px; }
  .proof-kit-detail { grid-column: 1; }
  .proof-kit-arrow { grid-column: 2; grid-row: 1 / 3; }
  .proof-pager { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .proof-footer nav { display: grid; }
  .proof-footer-link { justify-content: space-between; }
  .proof-filter { padding: 20px 16px; }
  .proof-filter-row { flex-direction: column; }
  .proof-filter button { width: 100%; }
  .proof-term { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 24px 16px; }
}
@media (prefers-reduced-motion: reduce) { .proof-cursor { animation: none; } }
@media print {
  .proof-page { background: #fff; color: #050505; font-size: 12pt; line-height: 1.5; color-scheme: light; }
  .proof-page::before { display: none; }
  .proof-shell { width: 100%; }
  .proof-page h1 { font-size: 24pt; text-shadow: none; max-width: none; }
  .proof-page h2 { font-size: 16pt; }
  .proof-page h3 { font-size: 13pt; }
  .proof-mast-mode, .proof-hero-map, .proof-actions, .proof-trail, .proof-pager, .proof-footer nav, .proof-skip, .proof-filter { display: none; }
  .proof-mast { padding-block: 8px; border-color: #050505; }
  .proof-hero { display: block; padding-block: 24px; }
  .proof-eyebrow, .proof-pixel, .proof-mark { color: #050505; }
  .proof-band { display: block; padding-block: 24px; border-color: #050505; break-inside: avoid; }
  .proof-band-heading { margin-bottom: 16px; }
  .proof-ask { background: transparent; border-color: #050505; padding: 8px 16px; margin-block: 16px; }
  .proof-ask li::before { color: #050505; }
  .proof-ask h3, .proof-ask li { font-size: 12pt; }
  .proof-notes-space { height: 64px; border-color: #050505; }
  .proof-source-link { background: transparent; padding: 8px 0; min-height: 0; color: #050505; font-size: 12pt; }
  .proof-endnotes, .proof-footer { padding-block: 16px; border-color: #050505; }
  .proof-footer p { font-size: 12pt; }
  .proof-cursor { display: none; }
}