/* Diazo proof sheet for AI Web Debugger.
   Diazo #1b4f73, Exposure #e7f1f8, Carbon #0d1b27,
   Chalk #f4f9fc, Probe #f0b429, Fault #e23b4a.
   Display: Anybody. Body: Atkinson Hyperlegible. Utility: Martian Mono.
   Signature: the ActionPolicy ruler, with one piece of confirm tape. */

:root {
  --diazo: #1b4f73;
  --diazo-deep: #143f5c;
  --lane: #16486a;
  --lane-confirm: #1d5c84;
  --exposure: #e7f1f8;
  --exposure-2: #f4f9fc;
  --carbon: #0d1b27;
  --chalk: #f4f9fc;
  --mist: #d7e6f0;
  --graphite: #3d5566;
  --rule: #c5d6e3;
  --probe: #f0b429;
  --fault: #e23b4a;
  --display: "Anybody", "Arial Narrow", "Franklin Gothic Medium", sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
  --mono: "Martian Mono", "Courier New", monospace;
  --page: 72rem;
  --pad: clamp(1.1rem, 3vw, 2rem);
  --focus: 0 0 0 3px var(--carbon), 0 0 0 6px var(--chalk);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--diazo);
  color: var(--chalk);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--probe);
  color: var(--carbon);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 2px;
}

a:hover {
  text-decoration-thickness: 3px;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--probe);
  color: var(--carbon);
  padding: 0.55rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration: none;
}

.skip:focus {
  top: 0.6rem;
}

.wrap {
  width: min(var(--page), calc(100% - var(--pad) * 2));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  background: var(--diazo);
  border-bottom: 2px solid var(--diazo-deep);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 1.4rem;
  min-height: 4.25rem;
  padding-block: 0.55rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--chalk);
  margin-right: auto;
}

.brand img {
  width: 2.4rem;
  height: 2.4rem;
  display: block;
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: -0.02em;
  font-size: 1.2rem;
  line-height: 1;
}

.brand-ver {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--mist);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.nav a {
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-block: 0.2rem;
}

.nav a:hover {
  border-bottom-color: var(--probe);
}

.hero {
  padding: clamp(2.2rem, 6vw, 4.2rem) 0 1.5rem;
}

.kicker {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--mist);
}

.thesis {
  margin: 0;
  font-family: var(--display);
  font-weight: 750;
  font-stretch: 84%;
  font-size: clamp(2.7rem, 8.6vw, 6.35rem);
  line-height: 0.86;
  letter-spacing: -0.035em;
  color: var(--chalk);
}

.lede {
  max-width: 40rem;
  margin: 1.4rem 0 0;
  font-size: 1.18rem;
  line-height: 1.5;
  color: var(--chalk);
}

.hero-install {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.8rem;
  align-items: stretch;
  max-width: 44rem;
  margin-top: 1.6rem;
  background: var(--exposure);
  color: var(--carbon);
  padding: 0.85rem;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.hero-install pre,
.cmd-row pre {
  margin: 0;
  min-width: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.copy,
.ghost {
  appearance: none;
  border: 2px solid var(--carbon);
  background: var(--carbon);
  color: var(--chalk);
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.3;
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.copy:hover,
.ghost:hover {
  background: var(--probe);
  color: var(--carbon);
  border-color: var(--carbon);
}

.ghost {
  background: transparent;
  color: var(--carbon);
}

.ruler {
  padding: 2.6rem 0 2.2rem;
}

.ruler-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.ruler h2,
.plate h2,
.close h2 {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 90%;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0;
}

.ruler h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--chalk);
}

.ruler-now {
  margin: 0;
  min-width: min(100%, 22rem);
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--chalk);
}

.ruler-now strong {
  font-weight: 600;
}

.ruler-detail {
  display: block;
  margin-top: 0.25rem;
  color: var(--mist);
}

.lanes {
  display: grid;
  grid-template-columns: 1fr 1.12fr 0.95fr;
  gap: 0.45rem;
}

.lane {
  position: relative;
  background: var(--lane);
  color: var(--chalk);
  min-height: 16.5rem;
  padding: 1.15rem 1.1rem 1.2rem;
}

.lane h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-weight: 750;
  font-stretch: 95%;
  font-size: 2rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.lane p {
  margin: 0.45rem 0 0;
}

.lane-note {
  color: var(--mist);
  font-size: 0.98rem;
}

.cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.4;
}

.examples {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mist);
  line-height: 1.6;
}

.lane--confirm {
  background: var(--lane-confirm);
  padding-top: 2.3rem;
}

.tape {
  position: absolute;
  top: 0.55rem;
  right: 0.7rem;
  transform: rotate(-3.5deg);
  background: var(--probe);
  color: var(--carbon);
  font-family: var(--display);
  font-weight: 750;
  font-stretch: 96%;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.4rem 0.65rem 0.32rem;
  box-shadow: 3px 4px 0 rgba(13, 27, 39, 0.28);
}

.lane--deny {
  box-shadow: inset -7px 0 0 var(--fault);
}

.ruler[data-decision="allow"] .lane--allow {
  box-shadow: inset 0 0 0 3px var(--chalk);
}

.ruler[data-decision="confirm"] .lane--confirm {
  box-shadow: inset 0 0 0 3px var(--probe);
}

.ruler[data-decision="deny"] .lane--deny {
  box-shadow: inset 0 0 0 3px var(--fault);
}

.ruler-controls {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.7rem;
}

.ruler-controls .copy {
  background: transparent;
  color: var(--chalk);
  border-color: var(--mist);
}

.ruler-controls .copy:hover {
  background: var(--probe);
  color: var(--carbon);
  border-color: var(--probe);
}

.stack {
  display: grid;
  gap: 1rem;
  padding-bottom: 1.2rem;
  min-width: 0;
}

.plate,
.ruler,
.hero {
  scroll-margin-top: 5.5rem;
}

.plate {
  background: var(--exposure);
  color: var(--carbon);
  padding: clamp(1.2rem, 3vw, 2rem);
  min-width: 0;
}

.plate h2 {
  font-size: clamp(2rem, 4vw, 3.15rem);
  max-width: 16ch;
}

.plate .eyebrow,
.eyebrow {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
}

.plate p,
.plate li {
  max-width: 68ch;
  overflow-wrap: anywhere;
}

.plate a {
  color: var(--carbon);
}

.lede-dark {
  font-size: 1.12rem;
}

.bench {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
  gap: 0.7rem;
  margin-top: 1.3rem;
  min-width: 0;
}

.window,
.approval {
  background: var(--exposure-2);
  border: 2px solid var(--carbon);
  color: var(--carbon);
  min-width: 0;
}

.chrome {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.4rem;
  align-items: center;
  padding: 0.45rem;
  background: var(--diazo-deep);
  color: var(--chalk);
  font-family: var(--mono);
  font-size: 0.72rem;
  min-width: 0;
  overflow: hidden;
}

.chrome-btns {
  display: flex;
  gap: 0.25rem;
}

.chrome-btns span,
.url {
  border: 1px solid var(--mist);
  padding: 0.28rem 0.4rem;
}

.url {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 16rem;
  min-width: 0;
}

.pane {
  padding: 0.75rem 0.8rem 0.9rem;
  min-width: 0;
}

.pane + .pane {
  border-left: 2px solid var(--carbon);
  background: #dceaf3;
}

.pane h3,
.approval h3 {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0 0 0.7rem;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.tabs li {
  border: 1px solid var(--carbon);
  padding: 0.15rem 0.35rem;
  max-width: none;
}

.tabs .on {
  background: var(--carbon);
  color: var(--chalk);
}

.fixture-title {
  margin: 0.2rem 0 0.6rem;
  font-family: var(--display);
  font-stretch: 92%;
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.log,
.feed {
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.log li,
.feed li {
  max-width: none;
  margin: 0 0 0.35rem;
}

.bad {
  color: #8d1d2c;
}

.stamp {
  display: inline-block;
  margin-top: 0.7rem;
  border: 2px solid var(--fault);
  color: #8d1d2c;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.35rem;
}

.boundary {
  display: inline-block;
  margin-bottom: 0.45rem;
  background: var(--probe);
  color: var(--carbon);
  font-family: var(--mono);
  font-size: 0.66rem;
  padding: 0.12rem 0.35rem;
}

.statusline {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.35rem 0.55rem;
  background: var(--carbon);
  color: var(--chalk);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.approval {
  padding: 0.85rem;
}

.approval dl {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 0.35rem 0.5rem;
  margin: 0.6rem 0;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.approval dt {
  color: var(--graphite);
}

.approval dd {
  margin: 0;
}

.fake-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.fake-actions span {
  border: 2px solid var(--carbon);
  padding: 0.35rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.fake-actions .yes {
  background: var(--carbon);
  color: var(--chalk);
}

.caption {
  margin: 0.7rem 0 0;
  color: var(--graphite);
  font-size: 0.95rem;
}

.path {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.path li {
  margin: 0;
  max-width: none;
  background: var(--carbon);
  color: var(--chalk);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.5rem;
}

.invariants {
  margin: 1.2rem 0 0;
}

.invariants div {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-top: 2px solid var(--carbon);
}

.invariants dt {
  font-family: var(--mono);
  font-size: 0.78rem;
}

.invariants dd {
  margin: 0;
}

.scroll {
  margin-top: 1rem;
  max-width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 40rem;
}

caption {
  text-align: left;
  caption-side: bottom;
  padding-top: 0.7rem;
  color: var(--graphite);
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.48rem 0.55rem;
}

thead th {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 3px solid var(--carbon);
}

tbody th {
  font-family: var(--display);
  font-stretch: 95%;
  font-weight: 700;
  font-size: 1.15rem;
  background: #d5e5f1;
  border-bottom: 2px solid var(--carbon);
}

td {
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.4;
}

td.policy {
  font-family: var(--body);
  font-size: 0.95rem;
}

.mark {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.4rem;
  vertical-align: 0.05rem;
  background: var(--diazo);
}

.mark--confirm {
  background: var(--probe);
  transform: rotate(-8deg);
}

.note {
  margin-top: 0.8rem;
  color: var(--graphite);
}

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: 1rem;
  margin-top: 1rem;
  align-items: start;
}

.block {
  background: var(--exposure-2);
  border: 2px solid var(--carbon);
  padding: 0.9rem;
}

.block h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-stretch: 92%;
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.cmd-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  align-items: start;
  margin-top: 0.7rem;
}

.downloads {
  margin: 0;
  padding: 0;
  list-style: none;
}

.downloads li {
  margin: 0 0 0.55rem;
  max-width: none;
}

.downloads a {
  font-family: var(--mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.steps {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  display: block;
  max-width: 68ch;
  padding: 0.75rem 0 0.75rem 2.4rem;
  border-top: 2px solid var(--carbon);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.source-block {
  margin-top: 1rem;
}

.close .ghost {
  color: var(--chalk);
  border-color: var(--mist);
}

.close .ghost:hover {
  background: var(--probe);
  color: var(--carbon);
  border-color: var(--probe);
}

.facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem 1.5rem;
  margin-top: 1rem;
}

.facts > div {
  min-width: 0;
}

.facts h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-stretch: 94%;
  font-size: 1.4rem;
}

.facts ol,
.facts ul,
.limits {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

.facts li,
.limits li {
  margin: 0.28rem 0;
}

.faq {
  border-top: 2px solid var(--carbon);
  padding: 0.85rem 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 92%;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "+";
  font-family: var(--mono);
  font-weight: 500;
  margin-right: 0.55rem;
}

.faq[open] summary::before {
  content: "–";
}

.faq p {
  margin: 0.55rem 0 0.2rem 1.4rem;
}

.close {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0 2.4rem;
}

.close h2 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 12ch;
  color: var(--chalk);
}

.close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer {
  border-top: 2px solid var(--diazo-deep);
  padding: 1rem 0 1.6rem;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  align-items: center;
}

.site-footer a {
  color: var(--chalk);
}

@media (max-width: 860px) {
  .lanes,
  .bench,
  .split,
  .install-grid,
  .facts,
  .invariants div {
    grid-template-columns: 1fr;
  }

  .brand,
  .nav {
    flex: 1 1 100%;
  }

  .pane + .pane {
    border-left: 0;
    border-top: 2px solid var(--carbon);
  }

  .lane {
    min-height: 0;
  }

  .nav {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .hero-install,
  .cmd-row {
    grid-template-columns: 1fr;
  }

  .brand-ver {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}