@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/dm-sans-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --paper: oklch(0.985 0.003 240);
  --surface: oklch(0.95 0.006 240);
  --ink: oklch(0.22 0.015 240);
  --muted: oklch(0.45 0.01 240);
  --rule: oklch(0.22 0.015 240 / 0.18);
  --control-rule: oklch(0.56 0.01 240);
  --accent: oklch(0.4 0.06 80);
  --bit-on: oklch(0.8 0.12 80);
  --bit-off: oklch(0.88 0.008 240);
  --maybe: oklch(0.42 0.08 20);
  --page: 72rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --text-small: 0.875rem;
  --text-body: 1.0625rem;
  --text-heading: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-display: clamp(2.25rem, 1.5rem + 2vw, 3.25rem);
  --numeric: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --z-skip: 100;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  background: var(--paper);
  scrollbar-gutter: stable;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", "Segoe UI", Arial, sans-serif;
  font-size: var(--text-body);
  font-weight: 400;
  font-synthesis: none;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
main,
.site-header,
.site-footer {
  inline-size: min(100%, var(--page));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
p,
h1,
h2,
figure,
dl,
dd {
  margin: 0;
}
h1,
h2 {
  font-family: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.15;
  text-wrap: balance;
}
h1 {
  max-inline-size: 23ch;
  font-size: var(--text-display);
  letter-spacing: -0.025em;
  overflow-wrap: break-word;
}
h2 {
  font-size: var(--text-heading);
  letter-spacing: -0.015em;
}
strong {
  font-weight: 600;
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
  text-decoration-thickness: from-font;
}
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
::selection {
  color: var(--ink);
  background: var(--bit-on);
}
.visually-hidden,
.skip-link:not(:focus) {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus {
  position: fixed;
  inset: 1rem auto auto 1rem;
  padding: 0.75rem 1rem;
  background: var(--paper);
  z-index: var(--z-skip);
}
.site-header,
.site-header nav,
.site-footer,
.site-footer__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
}
.site-header,
.site-footer {
  justify-content: space-between;
  padding-block: 1rem;
}
.site-header a,
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  min-inline-size: 44px;
  font-size: var(--text-small);
  text-decoration: none;
}
.site-name {
  font-weight: 600;
}
.site-header nav a,
.site-footer {
  color: var(--muted);
}
.site-footer {
  padding-block: 2rem 6rem;
  border-block-start: 1px solid var(--rule);
  font-size: var(--text-small);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  padding-block: 3rem;
}
.hero > * {
  min-inline-size: 0;
}
a,
button,
input {
  touch-action: manipulation;
}
.hero__lede {
  align-self: center;
  max-inline-size: 58ch;
  color: var(--muted);
  font-size: var(--text-body);
  text-wrap: pretty;
}
.section {
  display: grid;
  grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
  gap: 2rem;
  padding-block: 3rem;
  border-block-start: 1px solid var(--rule);
}
.section > *,
.filter > *,
.filter__facts > * {
  min-inline-size: 0;
}
.section__body {
  display: grid;
  align-content: start;
  gap: 1.6em;
}
.section__body.prose {
  display: block;
}
.prose {
  max-inline-size: 65ch;
}
.prose > p + p {
  margin-block-start: 1.6em;
}
.prose p,
.prose li {
  overflow-wrap: break-word;
}
.rules {
  display: grid;
  gap: 1rem;
  padding-inline-start: 1.2em;
  margin-block: 1.6em;
}
.rules li::marker {
  color: var(--accent);
}
.pull {
  font-size: var(--text-heading);
  line-height: 1.3;
  letter-spacing: -0.015em;
}
.flow {
  display: grid;
  gap: 1rem;
}
.flow__steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding-inline-start: 1.5em;
}
.flow__steps > li {
  padding-inline-start: 0.5rem;
}
.flow__fork {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
}
.flow__branch strong {
  display: block;
  color: var(--accent);
}
.flow figcaption,
.share figcaption,
.results caption {
  color: var(--muted);
  font-size: var(--text-small);
}
.decisions {
  display: grid;
}
.decisions__row {
  display: grid;
  grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
  gap: 1rem 2rem;
  padding-block: 1.25rem;
  border-block-start: 1px solid var(--rule);
}
.decisions__row p {
  min-inline-size: 0;
}
.share {
  display: grid;
  gap: 1rem;
}
.share figcaption {
  margin-block-end: 0.5rem;
}
.share__row {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr) 4.5rem;
  gap: 1rem;
  align-items: center;
}
.share__label {
  font-size: var(--text-small);
}
.share__track {
  block-size: 1.25rem;
  background: var(--surface);
}
.share__bar {
  display: block;
  inline-size: var(--share);
  block-size: 100%;
  background: var(--accent);
}
.share__row:first-of-type .share__bar {
  background: var(--muted);
}
.share__value {
  font-family: var(--numeric);
  font-size: var(--text-small);
  text-align: end;
}
.table-wrap {
  min-inline-size: 0;
  overflow-x: auto;
}
.results {
  inline-size: 100%;
  min-inline-size: 36rem;
  border-collapse: collapse;
  font-size: var(--text-small);
}
.results caption {
  text-align: start;
  padding-block-end: 1rem;
}
.results th,
.results td {
  border-block-end: 1px solid var(--rule);
  padding: 0.9rem 0.75rem;
  text-align: end;
}
.results th:first-child {
  padding-inline-start: 0;
  text-align: start;
}
.results thead th {
  color: var(--muted);
  font-weight: 400;
  vertical-align: bottom;
}
.results tbody td {
  font-family: var(--numeric);
  white-space: nowrap;
}
.results td:last-child,
.results th:last-child {
  padding-inline-end: 0;
}

.filter {
  container-type: inline-size;
  min-inline-size: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 3rem;
  grid-column: 1 / -1;
  padding-block: 2rem;
  border-block-start: 1px solid var(--rule);
}
.lab-interaction {
  display: grid;
  align-content: start;
  gap: 1.5rem;
  container-type: inline-size;
}
.lab-memory {
  display: grid;
  align-content: start;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--surface);
  container-type: inline-size;
}
.filter__bits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem 0.5rem;
  user-select: none;
  pointer-events: none;
}
.bit {
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  min-inline-size: 0;
}
.bit__lamp {
  display: grid;
  place-items: center;
  inline-size: 100%;
  block-size: 2.75rem;
  background: var(--bit-off);
  border-radius: 2px;
}
.bit__lamp::after {
  content: "0";
  font-family: var(--numeric);
  font-size: var(--text-small);
  line-height: 1;
}
.bit.is-on .bit__lamp::after {
  content: "1";
}
.bit__index {
  font-family: var(--numeric);
  font-size: var(--text-small);
  color: var(--muted);
  line-height: 1.3;
}
.bit.is-on .bit__lamp {
  background: var(--bit-on);
}
.bit.is-target .bit__lamp {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}
.bit.is-target .bit__index {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.filter__controls {
  display: grid;
  gap: 0.5rem;
}
.filter label {
  font-weight: 600;
}
.filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.filter input,
.filter button {
  min-block-size: max(44px, 2.75rem);
  border: 1px solid var(--control-rule);
  border-radius: 3px;
  font: inherit;
}
.filter input {
  flex: 1 1 100%;
  inline-size: 100%;
  min-inline-size: 0;
  padding: 0.6rem 0.75rem;
  color: var(--ink);
  background: var(--paper);
  caret-color: var(--accent);
}
.filter input::placeholder {
  color: var(--muted);
}
.filter button {
  padding: 0.6rem 1rem;
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.filter button:disabled {
  color: var(--muted);
  background: var(--surface);
  border-color: var(--control-rule);
  cursor: not-allowed;
}
.filter .button--quiet {
  color: var(--ink);
  background: transparent;
  border-color: transparent;
}
.verdict-slot {
  display: grid;
  font-size: 1rem;
}
.filter__verdict,
.verdict-reserve {
  grid-area: 1 / 1;
  align-self: start;
  overflow-wrap: anywhere;
}
.filter__verdict {
  color: var(--ink);
}
.filter__verdict.is-maybe strong {
  color: var(--maybe);
}
.verdict-reserve {
  visibility: hidden;
  pointer-events: none;
  user-select: none;
}
.filter__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 1rem 2rem;
  font-size: var(--text-small);
}
.filter__facts > div:first-child {
  grid-column: 1 / -1;
}
.filter__facts dt {
  color: var(--muted);
}
.filter__facts dd {
  overflow-wrap: anywhere;
}
#on-count,
#fp-chance {
  font-family: var(--numeric);
}
#added-names {
  block-size: 4.8em;
  overflow-y: auto;
  scrollbar-gutter: stable;
}
.memory-label,
.memory-legend {
  font-size: var(--text-small);
  color: var(--muted);
}
.memory-label {
  font-family: var(--numeric);
}
.memory-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
.memory-legend span {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}
.memory-legend i {
  inline-size: 1.25rem;
  block-size: 1.25rem;
  display: inline-grid;
  place-items: center;
  border-radius: 1px;
  font-family: var(--numeric);
  font-style: normal;
  color: var(--ink);
}
.legend-on {
  background: var(--bit-on);
}
.legend-off {
  background: var(--bit-off);
}
.legend-target {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

@container (min-width: 18rem) {
  .filter__bits {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}
@container (min-width: 40rem) {
  .filter__bits {
    grid-template-columns: repeat(16, minmax(0, 1fr));
  }
}
@container (min-width: 30rem) {
  .filter input {
    flex-basis: 12rem;
    inline-size: auto;
  }
}
@media (max-width: 52rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
  .filter {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  .section,
  .decisions__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }
}
@media (max-width: 36rem) {
  .lab-memory {
    padding: 1rem;
  }
  .filter__facts {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-block: 2rem;
  }
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }
  .site-header nav {
    gap: 0.25rem 1.25rem;
  }
  .share__row {
    grid-template-columns: minmax(0, 1fr) 4.5rem;
    gap: 0.5rem 1rem;
  }
  .share__label {
    grid-column: 1 / -1;
  }
  .flow__fork {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (hover: hover) and (pointer: fine) {
  .site-header a:hover,
  .site-footer a:hover {
    color: var(--ink);
    text-decoration: underline;
  }
  .filter input:hover {
    border-color: var(--ink);
  }
  .filter button:not(:disabled):hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--paper);
  }
  .filter .button--quiet:hover {
    color: var(--ink);
    background: var(--surface);
    border-color: transparent;
  }
}
@media (prefers-reduced-motion: no-preference) {
  .filter button:not(:disabled):active {
    transform: scale(0.96);
  }
}