:root {
  color-scheme: light;
  --page: #f7f8fa;
  --surface: #ffffff;
  --ink: #12161c;
  --muted: #626a75;
  --faint: #8b929c;
  --line: #d8dde4;
  --accent: #0c52d6;
  --accent-soft: #e6edfc;
  --danger: #c53f51;
  --page-width: 1100px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #111318;
  --surface: #181b21;
  --ink: #f1f3f5;
  --muted: #a8afb9;
  --faint: #747d89;
  --line: #30343c;
  --accent: #78a9ff;
  --accent-soft: #1d2b47;
  --danger: #f0808e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color 260ms ease, color 260ms ease;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.page-width {
  width: min(var(--page-width), calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  transition: border-color 260ms ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-version {
  color: var(--faint);
  font-weight: 400;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 20px;
  border: 2px solid var(--accent);
  border-radius: 1px;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 25px;
  color: var(--muted);
  font-size: 0.79rem;
  font-weight: 700;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  transition: border-color 180ms ease, color 180ms ease, background-color 260ms ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-symbol {
  display: inline-block;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
  transition: transform 260ms ease;
}

:root[data-theme="dark"] .theme-symbol {
  transform: rotate(-24deg);
}

.intro {
  max-width: 760px;
  padding: 115px 0 130px;
}

.intro-label {
  margin-bottom: 20px;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.intro h1 {
  max-width: 720px;
  margin: 0 0 25px;
  font-size: clamp(3rem, 8vw, 5.7rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.intro-copy {
  max-width: 650px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.intro-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.75rem;
}

.intro-meta code {
  padding: 5px 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.content-section {
  display: grid;
  grid-template-columns: minmax(200px, 0.53fr) minmax(0, 1.47fr);
  gap: clamp(38px, 9vw, 120px);
  align-items: start;
  padding: 78px 0;
  border-top: 1px solid var(--line);
  transition: border-color 260ms ease;
}

.section-side {
  position: sticky;
  top: 28px;
}

.section-number {
  display: block;
  margin-bottom: 17px;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  font-weight: 700;
}

.section-side h2 {
  margin: 0 0 15px;
  font-size: 2rem;
  letter-spacing: -0.06em;
  line-height: 1;
}

.section-side p {
  max-width: 250px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.section-side code {
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.82em;
}

.usage-content {
  display: grid;
  gap: 18px;
}

.code-block {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: background-color 260ms ease, border-color 260ms ease;
}

.code-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 17px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.7rem;
  transition: border-color 260ms ease;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 23px 25px 26px;
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.79rem;
  line-height: 1.8;
}

.code-keyword { color: var(--accent); }
.code-string { color: #9b5d21; }
.code-comment { color: var(--faint); }
.code-attr { color: var(--accent); }

:root[data-theme="dark"] .code-string {
  color: #e3ac72;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
  font-size: 0.87rem;
}

.matrix-table th,
.matrix-table td {
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  transition: border-color 260ms ease;
}

.matrix-table th {
  padding-top: 11px;
  padding-bottom: 11px;
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.67rem;
  font-weight: 400;
}

.matrix-table td {
  color: var(--muted);
  line-height: 1.65;
}

.matrix-table td:first-child {
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.matrix-table code {
  display: inline-block;
  margin-right: 8px;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.8rem;
}

.matrix-table code:last-child {
  margin-right: 0;
}

.status-ok {
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.playground-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: background-color 260ms ease, border-color 260ms ease;
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 260ms ease;
}

.tab-row button {
  padding: 13px 17px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  transition: background-color 180ms ease, color 180ms ease, border-color 260ms ease;
}

.tab-row button:last-child {
  border-right: 0;
}

.tab-row button:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.tab-row button[aria-selected="true"] {
  background: var(--accent-soft);
  color: var(--accent);
}

.playground-io {
  display: grid;
  grid-template-columns: 1fr;
}

.playground-io .code-head {
  border-bottom: 0;
  border-top: 1px solid var(--line);
}

.playground-io .code-head:first-child {
  border-top: 0;
}

.playground-io pre {
  border-top: 1px solid var(--line);
  white-space: pre-wrap;
  word-break: break-word;
}

.playground-io pre:first-of-type {
  border-top: 0;
}

.playground-note {
  padding: 13px 17px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.68rem;
  line-height: 1.7;
  transition: border-color 260ms ease;
}

.playground-note code {
  color: var(--muted);
}

.directive-outputs {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.pipeline-figure {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 30px 28px 24px;
  transition: background-color 260ms ease, border-color 260ms ease;
}

.pipeline-figure svg {
  display: block;
  min-width: 560px;
  width: 100%;
  height: auto;
  color: var(--ink);
}

.pipeline-caption {
  margin: 14px 0 0;
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.7rem;
  line-height: 1.7;
}

.closing-section {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 35px;
  padding: 80px 0 100px;
  border-top: 1px solid var(--line);
  transition: border-color 260ms ease;
}

.closing-section p {
  max-width: 360px;
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.closing-mark {
  color: var(--accent);
  font-size: 2rem;
  line-height: 0.5;
}

.closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.75rem;
  font-weight: 700;
}

.closing-links a {
  text-decoration: none;
}

.closing-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.68rem;
  transition: border-color 260ms ease;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  padding-bottom: 28px;
}

.version {
  color: var(--accent);
}

@media (max-width: 800px) {
  .intro {
    padding: 84px 0 100px;
  }

  .content-section {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .section-side {
    position: static;
  }

  .section-side p {
    max-width: 520px;
  }
}

@media (max-width: 650px) {
  .page-width {
    width: min(var(--page-width), calc(100% - 32px));
  }

  .site-nav {
    gap: 12px;
  }

  .site-nav > a {
    display: none;
  }

  .intro h1 {
    font-size: clamp(3rem, 16vw, 4.8rem);
  }

  .matrix-table th:nth-child(3),
  .matrix-table td:nth-child(3) {
    display: none;
  }

  .tab-row button {
    flex: 1 1 auto;
    border-bottom: 1px solid var(--line);
  }

  .closing-section,
  .footer-inner {
    display: block;
  }

  .closing-links {
    margin-top: 28px;
  }

  .footer-inner span + span {
    display: block;
    margin-top: 8px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}