/* kayfabe.dev: one small stylesheet, system fonts, no downloads. */
:root {
  --bg: #fff;
  --fg: #1b1f24;
  --muted: #4a5560;
  --link: #0a58ad;
  --line: #d0d7de;
  --surface: #f5f7f9;
  --accent: #0a58ad;
  --on-accent: #fff;
  --warn-bg: #fff8e1;
  --warn-line: #8a5a00;
  --measured-bg: #e3f3e9;
  --measured-fg: #124d2a;
  --inferred-bg: #ece8f8;
  --inferred-fg: #3f2f85;
  --gap-bg: #fff1c2;
  --gap-fg: #5c3b00;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "DejaVu Sans Mono", monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --fg: #e6e8ea;
    --muted: #a3acb5;
    --link: #7ab8ff;
    --line: #2b323a;
    --surface: #181d23;
    --accent: #7ab8ff;
    --on-accent: #0b1117;
    --warn-bg: #2b2410;
    --warn-line: #d9a441;
    --measured-bg: #12301f;
    --measured-fg: #9ee0b5;
    --inferred-bg: #25203f;
    --inferred-fg: #c9bdf5;
    --gap-bg: #3a2e0c;
    --gap-fg: #ffd98a;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 var(--font);
}
.wrap {
  max-width: 64rem;
  margin-left: auto;
  margin-right: auto;
  padding: 0 16px;
}
a {
  color: var(--link);
  text-underline-offset: 0.15em;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
main:focus {
  outline: none;
}
h1,
h2,
h3 {
  line-height: 1.25;
}
h2 {
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
}
h3 {
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}
code {
  font-family: var(--mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}
.small {
  font-size: 0.9rem;
  color: var(--muted);
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  z-index: 10;
  padding: 0.5rem 1rem;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.skip-link:focus {
  top: 0.5rem;
}

/* Header and footer */
.site-header {
  border-bottom: 1px solid var(--line);
}
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.brand {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--fg);
  text-decoration: none;
}
.site-header ul,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer {
  margin-top: 4rem;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer a {
  color: var(--link);
}

/* Sections */
main > section {
  margin-top: 3rem;
}
main > section.hero {
  margin-top: 0;
}
.hero {
  padding: 3rem 0 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 0.5rem;
}
.tagline {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.4;
  max-width: 42rem;
  margin: 0 0 1rem;
}
.hook {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 1rem;
}
.lede {
  max-width: 42rem;
  margin: 0 0 0.75rem;
}
.hero .status {
  max-width: 42rem;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-weight: 600;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}
.button {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: var(--on-accent);
  border: 2px solid var(--accent);
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
}
.button.secondary {
  background: transparent;
  color: var(--link);
}
form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
input[type="search"] {
  font: inherit;
  padding: 0.4rem 0.6rem;
  min-width: 14rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--muted);
  border-radius: 6px;
}
button {
  font: inherit;
  padding: 0.4rem 0.9rem;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--muted);
  border-radius: 6px;
  cursor: pointer;
}

/* Callouts */
.callout {
  padding: 0.25rem 1.25rem 0.75rem;
  border: 1px solid var(--line);
  border-left-width: 5px;
  border-radius: 6px;
  background: var(--surface);
}
.callout.warn {
  background: var(--warn-bg);
  border-color: var(--warn-line);
}
.callout h2 {
  margin-top: 0.75rem;
}
.prose blockquote {
  margin: 1.25rem 0;
  padding: 0.25rem 1.25rem;
  background: var(--warn-bg);
  border-left: 5px solid var(--warn-line);
}
.kf-label,
.kf-gap {
  padding: 0.05em 0.35em;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 0.92em;
}
.kf-measured {
  background: var(--measured-bg);
  color: var(--measured-fg);
}
.kf-inferred {
  background: var(--inferred-bg);
  color: var(--inferred-fg);
}
.kf-gap {
  background: var(--gap-bg);
  color: var(--gap-fg);
  border-style: dashed;
  font-weight: 600;
}

/* Property cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cards li {
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}
.cards p {
  margin: 0;
}

/* Diagram */
.path {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}
.path figure {
  margin: 0;
}
.path svg {
  width: 100%;
  height: auto;
  display: block;
  font: 15px var(--font);
}
.path svg text {
  fill: var(--fg);
}
.path .zone {
  fill: none;
  stroke: var(--muted);
  stroke-dasharray: 6 4;
  stroke-width: 1.5;
}
.path .zone.guest {
  stroke: var(--warn-line);
}
.path .zone-label {
  font-size: 13px;
  font-weight: 600;
  fill: var(--muted);
}
.path .node {
  fill: var(--surface);
  stroke: var(--muted);
  stroke-width: 1.5;
}
.path .node.key {
  stroke: var(--accent);
  stroke-width: 2.5;
}
.path .edge {
  stroke: var(--muted);
  stroke-width: 2;
}
.path .arrowhead {
  fill: var(--muted);
}
.steps {
  margin-top: 0;
  padding-left: 1.4rem;
}
.steps li {
  margin-bottom: 0.5rem;
}

/* Table */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 40rem;
  font-size: 0.97rem;
}
th,
td {
  padding: 0.55rem 0.8rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
thead th {
  background: var(--surface);
}
tr.highlight th,
tr.highlight td {
  background: var(--warn-bg);
}
tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: none;
}

/* Figure */
.shot {
  margin: 0;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.shot figcaption {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
  max-width: 48rem;
}

/* Code */
.codeblock {
  position: relative;
  max-width: 42rem;
  margin: 0 0 1rem;
}
pre {
  margin: 0;
  padding: 0.8rem 5rem 0.8rem 1rem;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.copy {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  min-height: 2.25rem;
}
.assets {
  padding-left: 1.2rem;
}

/* Prose pages (about, security) and the docs index */
.prose,
.docs-index {
  padding-top: 2rem;
}
.prose > *,
.docs-index > p,
.docs-index > .callout,
.docs-index ul {
  max-width: 44rem;
}
/* Detail pages keep images and tables inside a narrow viewport. */
.prose img {
  max-width: 100%;
  height: auto;
}
.prose table {
  display: block;
  overflow-x: auto;
  min-width: 0;
}
.prose h2,
.docs-index h2 {
  margin-top: 2.25rem;
}
.doclist,
.versions {
  list-style: none;
  padding: 0;
}
.doclist li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.doclist a {
  font-weight: 600;
}
.doclist span {
  display: block;
  color: var(--muted);
}
.versions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

/* Frontpage */
.statusline {
  margin: 1.25rem 0 0;
  max-width: 48rem;
  color: var(--muted);
}
.scenes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
  gap: 1.5rem;
}
.scenes p {
  margin: 0;
}
ul.plain {
  padding-left: 1.2rem;
  max-width: 48rem;
}
ul.plain li {
  margin-bottom: 0.6rem;
}
/* (older frontpage blocks, kept for the pages that still use them) */
.hero .shot {
  margin-top: 0.5rem;
}
.statuslist {
  margin: 0 0 0.5rem;
  padding-left: 1.2rem;
}
.statuslist li {
  margin-bottom: 0.25rem;
}
.cards.who,
.cards.pitch {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.cards.who dl {
  margin: 0;
}
.cards.who dt {
  margin-top: 0.6rem;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.cards.who dd {
  margin: 0.1rem 0 0;
}
.footnote {
  max-width: 48rem;
  margin: 1rem 0 0;
}
table.narrow {
  min-width: 0;
}
table.today th[scope="row"] {
  white-space: nowrap;
  width: 1%;
}
.st {
  display: inline-block;
  padding: 0.05em 0.5em;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 700;
}
.st-works {
  background: var(--measured-bg);
  color: var(--measured-fg);
}
.st-partly {
  background: var(--gap-bg);
  color: var(--gap-fg);
  border-style: dashed;
}
.st-no {
  background: var(--surface);
  color: var(--muted);
  border-style: dotted;
}

@media (max-width: 52rem) {
  .cards.who,
  .cards.pitch {
    grid-template-columns: minmax(0, 1fr);
  }
  .path {
    grid-template-columns: minmax(0, 1fr);
  }
  .path figure {
    max-width: 22rem;
  }
  .hero h1 {
    font-size: 2.1rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
    animation: none !important;
  }
}
@media print {
  .site-header,
  .site-footer,
  .copy,
  [role="search"] {
    display: none;
  }
}