:root {
  color-scheme: light;
  --font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --canvas: #ffffff;
  --canvas-subtle: #f7f7f7;
  --canvas-raised: #ffffff;
  --text: #171717;
  --text-subtle: #505050;
  --border: #d1d1d1;
  --border-strong: #8a8886;
  --accent: #0067b8;
  --accent-hover: #004578;
  --accent-soft: #e5f1fb;
  --focus: #0067b8;
  --success: #107c10;
  --success-soft: #dff6dd;
  --danger: #a4262c;
  --danger-soft: #fde7e9;
  --warning: #986f0b;
  --warning-soft: #fff4ce;
  --code: #f3f2f1;
  --shadow: 0 1px 2px rgb(0 0 0 / 8%), 0 4px 12px rgb(0 0 0 / 6%);
  --max: 1200px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #1b1a19;
  --canvas-subtle: #252423;
  --canvas-raised: #201f1e;
  --text: #f3f2f1;
  --text-subtle: #c8c6c4;
  --border: #484644;
  --border-strong: #797775;
  --accent: #75b6e7;
  --accent-hover: #a9d3f2;
  --accent-soft: #102f47;
  --focus: #75b6e7;
  --success: #6ccb5f;
  --success-soft: #173b15;
  --danger: #ff99a4;
  --danger-soft: #4a171b;
  --warning: #fce100;
  --warning-soft: #433519;
  --code: #292827;
  --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 20px rgb(0 0 0 / 24%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
button, input, select { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
code, pre { font-family: var(--font-mono); }
code {
  border-radius: 3px;
  background: var(--code);
  padding: .08rem .28rem;
  font-size: .9em;
}
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.skip-link {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 1000;
  transform: translateY(-160%);
  background: var(--canvas);
  border: 2px solid var(--accent);
  padding: .55rem .8rem;
}
.skip-link:focus { transform: none; }

.independent-bar {
  border-bottom: 1px solid #383838;
  background: #171717;
  color: #f5f5f5;
  font-size: .78rem;
  line-height: 1.35;
  text-align: center;
  padding: .35rem 1rem;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--canvas) 94%, transparent);
  backdrop-filter: blur(12px);
}
.header-inner {
  width: min(var(--max), calc(100% - 2rem));
  min-height: 58px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  flex: 0 0 auto;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -.015em;
}
.brand-logo { width: 30px; height: 30px; border-radius: 3px; object-fit: cover; }
.brand small {
  border-left: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: .78rem;
  font-weight: 400;
  margin-left: .2rem;
  padding-left: .8rem;
}
.site-nav {
  display: flex;
  align-items: stretch;
  gap: .15rem;
  margin-left: auto;
}
.site-nav a, .header-action {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--text);
  padding: .4rem .7rem;
  font-size: .88rem;
  text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="page"], .header-action:hover { background: var(--canvas-subtle); }
.site-nav .github-nav-link { width: 40px; padding: .4rem; }
.github-nav-link svg { width: 21px; height: 21px; fill: currentColor; }
.header-action svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.menu-toggle { display: none; margin-left: auto; }

.page-shell {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}
.breadcrumbs {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--text-subtle);
  font-size: .78rem;
}
.breadcrumbs a { color: inherit; text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs span[aria-current] { color: var(--text); }

.hero {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--border);
  background:
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 28rem),
    linear-gradient(125deg, var(--canvas-subtle), var(--canvas));
}
.hero::after {
  content: "X";
  position: absolute;
  right: max(2vw, 1rem);
  top: 50%;
  transform: translateY(-52%);
  color: color-mix(in srgb, var(--accent) 10%, transparent);
  font-size: clamp(12rem, 30vw, 27rem);
  font-weight: 700;
  line-height: .8;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2rem));
  margin: auto;
  padding: clamp(1.9rem, 3vw, 2.75rem) 0 clamp(2.75rem, 4vw, 3.5rem);
}
.eyebrow {
  display: block;
  color: var(--text-subtle);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 1100px;
  margin: .5rem 0 .75rem;
  font-size: clamp(2.65rem, 5.3vw, 4.65rem);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1;
  white-space: nowrap;
}
.x-accent { color: var(--accent); }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.button-primary, .button-secondary, .text-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: .55rem 1rem;
  font-weight: 600;
  text-decoration: none;
}
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: var(--accent-hover); color: #fff; }
.button-secondary { border-color: var(--border-strong); background: var(--canvas); color: var(--text); }
.button-secondary:hover { background: var(--canvas-subtle); color: var(--text); }
.text-button { min-height: auto; border: 0; background: transparent; color: var(--accent); padding: .25rem; }

.shortcut-demo {
  width: min(var(--max), calc(100% - 2rem));
  margin: -2rem auto 0;
  position: relative;
  z-index: 2;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--canvas-raised);
  box-shadow: var(--shadow);
}
.browser-chrome {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: .7rem;
  border-bottom: 1px solid var(--border);
  background: var(--canvas-subtle);
  padding: .55rem .75rem;
}
.browser-dots { display: flex; gap: .35rem; }
.browser-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.address-bar {
  position: relative;
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--canvas);
  padding: .38rem .65rem;
  font: .78rem/1.3 var(--font-mono);
  white-space: nowrap;
}
.address-trail {
  display: inline;
  color: var(--text-subtle);
}
.shortcut-x-slot {
  position: relative;
  display: inline-flex;
  vertical-align: baseline;
}
.shortcut-x {
  display: inline-block;
  max-width: 0;
  overflow: hidden;
  transform: scale(.2);
  transform-origin: center;
  border-radius: 2px;
  background: var(--warning-soft);
  color: var(--text);
  font-weight: 800;
  opacity: 0;
  animation: shortcut-x-pop 7s cubic-bezier(.2, .85, .25, 1) infinite;
}
.shortcut-pointer {
  position: absolute;
  top: 1.45rem;
  left: 50%;
  z-index: 4;
  width: 150px;
  height: 70px;
  color: var(--accent);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-92%);
  animation: shortcut-pointer-reveal 7s ease infinite;
}
.shortcut-pointer svg { position: absolute; inset: 0; width: 100%; height: 62px; overflow: visible; }
.shortcut-pointer path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 190;
  stroke-dashoffset: 190;
  animation: shortcut-arrow-draw 7s ease infinite;
}
.shortcut-pointer strong {
  position: absolute;
  left: 2px;
  bottom: 0;
  transform: rotate(3deg);
  font-family: var(--font-sans);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.demo-body {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(340px, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(3.7rem, 6vw, 5rem) clamp(1.4rem, 4vw, 2.8rem) clamp(1.8rem, 4vw, 2.8rem);
}
.demo-copy h2 {
  margin: .45rem 0 .7rem;
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.08;
}
.demo-copy p { max-width: 570px; margin: 0; color: var(--text-subtle); }
.shortcut-equation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1.3rem;
  color: var(--accent);
  font-weight: 700;
}
.shortcut-equation code { padding: .45rem .6rem; color: var(--text); }
.diff-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--canvas);
  box-shadow: 0 12px 36px rgb(0 0 0 / 10%);
  opacity: 0;
  transform: translateY(18px) scale(.98);
  animation: shortcut-diff-reveal 7s cubic-bezier(.2, .85, .25, 1) infinite;
}
.diff-preview-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  border-bottom: 1px solid var(--border);
  padding: .8rem .9rem;
  font-size: .76rem;
}
.diff-preview-head > div { display: flex; flex-wrap: wrap; gap: .4rem; }
.diff-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  padding: .2rem .62rem;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.diff-badge-secondary { background: var(--canvas-subtle); color: var(--text); border: 1px solid var(--border); }
.diff-preview-file {
  overflow: hidden;
  padding: .55rem .9rem;
  background: var(--canvas-subtle);
  color: var(--text-subtle);
  font: .7rem/1.3 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.diff-preview-row { display: grid; grid-template-columns: 28px 1fr; min-height: 46px; align-items: center; border-top: 1px solid color-mix(in srgb, var(--border) 65%, transparent); }
.diff-preview-row > span { align-self: stretch; display: grid; place-items: center; font-weight: 800; }
.diff-preview-row code { overflow: hidden; background: transparent; padding: 0 .8rem; text-overflow: ellipsis; white-space: nowrap; }
.diff-preview-removed { background: var(--danger-soft); color: var(--danger); }
.diff-preview-added { background: var(--success-soft); color: var(--success); }
.x-ray-scan {
  position: absolute;
  inset: 0 auto 0 -25%;
  width: 18%;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 32%, transparent), transparent);
  opacity: 0;
  transform: skewX(-12deg);
  animation: shortcut-xray-scan 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shortcut-x-pop {
  0%, 14%, 96%, 100% { max-width: 0; opacity: 0; transform: scale(.2); }
  21%, 90% { max-width: 1em; opacity: 1; transform: scale(1); }
}
@keyframes shortcut-pointer-reveal {
  0%, 17%, 96%, 100% { opacity: 0; transform: translateX(-92%) translateY(-5px); }
  24%, 88% { opacity: 1; transform: translateX(-92%) translateY(0); }
}
@keyframes shortcut-arrow-draw {
  0%, 17%, 96%, 100% { stroke-dashoffset: 190; }
  29%, 90% { stroke-dashoffset: 0; }
}
@keyframes shortcut-diff-reveal {
  0%, 29%, 96%, 100% { opacity: 0; transform: translateY(18px) scale(.98); }
  40%, 90% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes shortcut-xray-scan {
  0%, 38% { left: -25%; opacity: 0; }
  43% { opacity: .9; }
  59% { left: 108%; opacity: .5; }
  64%, 100% { left: 108%; opacity: 0; }
}

.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 6.5rem) 0;
}
.section + .section { border-top: 1px solid var(--border); }
.section-heading { max-width: 750px; margin-bottom: 2.2rem; }
.section-heading h2, .content-main h1 {
  margin: .45rem 0 .8rem;
  font-size: clamp(2rem, 4vw, 3.15rem);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.08;
}
.section-heading p, .content-lede { color: var(--text-subtle); font-size: 1.1rem; }
.product-card, .faq details {
  border: 1px solid var(--border);
  background: var(--canvas-raised);
}
.url-form {
  max-width: 900px;
  display: flex;
  gap: .6rem;
  align-items: stretch;
  margin-top: 1.5rem;
}
.url-form input, .github-token-drawer input {
  min-width: 0;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--canvas);
  color: var(--text);
  padding: .7rem .8rem;
}
.url-form input { flex: 1; }
.url-form button { border: 0; }
.form-help { color: var(--text-subtle); font-size: .84rem; }
.supported-products-section { padding-top: clamp(3.5rem, 6vw, 5.5rem); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .75rem; }
.product-card {
  min-width: 0;
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--text);
  padding: .85rem;
  text-decoration: none;
}
.product-card:hover { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 1px var(--accent); }
.product-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
}
.product-icon img { width: 40px; height: 40px; object-fit: contain; }
.product-details { min-width: 0; display: grid; gap: .25rem; }
.product-details strong { overflow: hidden; font-size: .94rem; text-overflow: ellipsis; white-space: nowrap; }
.product-details code { width: fit-content; max-width: 100%; overflow: hidden; color: var(--text-subtle); font-size: .66rem; text-overflow: ellipsis; white-space: nowrap; }
.product-grid-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; margin-top: 1.25rem; color: var(--text-subtle); font-size: .78rem; }
.faq { max-width: 860px; }
.faq details + details { margin-top: .65rem; }
.faq summary { cursor: pointer; font-weight: 600; padding: 1rem 1.1rem; }
.faq details p { margin: 0; border-top: 1px solid var(--border); color: var(--text-subtle); padding: 1rem 1.1rem; }

.content-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 760px) 1fr;
  gap: 2.5rem;
  padding: 1.6rem 0 5rem;
}
.side-nav { position: sticky; top: 118px; align-self: start; }
.side-nav strong { display: block; margin-bottom: .5rem; font-size: .82rem; }
.side-nav a {
  display: block;
  border-left: 2px solid var(--border);
  color: var(--text-subtle);
  padding: .35rem .65rem;
  font-size: .86rem;
  text-decoration: none;
}
.side-nav a:hover, .side-nav a[aria-current="page"] { border-left-color: var(--accent); color: var(--text); background: var(--canvas-subtle); }
.content-main h2 { margin: 2.8rem 0 .8rem; font-size: 1.75rem; font-weight: 600; letter-spacing: -.02em; }
.content-main h2[id] { scroll-margin-top: 82px; }
.content-main h3 { margin: 2rem 0 .6rem; font-size: 1.25rem; }
.content-main p, .content-main li { max-width: 72ch; }
.content-main hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.content-main blockquote { margin: 1.5rem 0; border-left: 4px solid var(--accent); background: var(--canvas-subtle); padding: .8rem 1rem; }
.content-main blockquote p { margin: 0; }
.content-main .author-card {
  display: grid;
  grid-template-columns: 112px 1fr;
  align-items: center;
  gap: 1.35rem;
  border: 1px solid var(--border);
  background: var(--canvas-subtle);
  padding: 1.4rem;
}
.author-avatar { width: 112px; height: 112px; border: 3px solid var(--canvas-raised); border-radius: 50%; box-shadow: 0 0 0 1px var(--border); object-fit: cover; }
.author-card h3 { margin: 0 0 .25rem; }
.author-card p { margin: 0 0 .6rem; }
.tool-directory { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.content-main .tool-group h3 { margin: 0 0 .65rem; font-size: 1rem; }
.tool-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; }
.tool-link-grid a {
  min-width: 0;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  border: 1px solid var(--border);
  background: var(--canvas-raised);
  color: var(--text);
  padding: .7rem .8rem;
  font-size: .86rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
}
.tool-link-grid a:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.tool-link-grid a span:last-child { flex: 0 0 auto; color: var(--accent); }
.content-main .tools-cta { margin-top: 1.5rem; }
.tools-cta .button-primary { color: #fff; }
.repo-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.repo-table th { background: var(--canvas-subtle); text-align: left; }
.repo-table th, .repo-table td { border: 1px solid var(--border); padding: .65rem .7rem; vertical-align: top; }
.repo-table code { white-space: nowrap; }
.page-toc { color: var(--text-subtle); font-size: .82rem; }
.page-toc strong { color: var(--text); }

.diff-page {
  width: min(1400px, calc(100% - 2rem));
  margin: auto;
  padding: 2rem 0 6rem;
}
.diff-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
  gap: 2rem;
  align-items: end;
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0 2rem;
}
.diff-hero h1 { margin: .35rem 0 .55rem; font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.04em; line-height: 1.04; }
.diff-hero p { margin: 0; color: var(--text-subtle); }
.compare-form label { display: block; margin-bottom: .4rem; font-size: .82rem; font-weight: 600; }
.compare-form .url-form { margin: 0; }
.compare-status { margin-top: .75rem; border-left: 3px solid var(--accent); background: var(--accent-soft); padding: .7rem .85rem; font-size: .88rem; }
.compare-status.error { border-color: var(--danger); background: var(--danger-soft); }
.compare-status.loading { border-color: var(--accent); }
.diff-intro {
  max-width: 820px;
  margin: 2rem 0;
  border: 1px solid var(--border);
  background: var(--canvas-subtle);
  padding: 1.25rem;
}
.diff-intro strong { display: block; margin-bottom: .25rem; }
.diff-intro p { margin: .35rem 0; color: var(--text-subtle); }
.result-head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0 1.4rem;
}
.result-head h2 { margin: .3rem 0 .35rem; font-size: clamp(1.6rem, 3.2vw, 2.7rem); letter-spacing: -.03em; line-height: 1.12; }
.result-path { display: block; overflow-wrap: anywhere; background: transparent; color: var(--text-subtle); padding: 0; }
.source-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.source-links a { border: 1px solid var(--border); background: var(--canvas); padding: .45rem .65rem; font-size: .82rem; text-decoration: none; white-space: nowrap; }
.diff-workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, 370px); align-items: start; gap: 1.25rem; margin-top: 2rem; }
.diff-content { min-width: 0; margin-top: 0; }
.version-sidebar { position: sticky; top: 98px; max-height: calc(100vh - 118px); overflow-y: auto; scrollbar-width: thin; }
.version-explorer { border: 1px solid var(--border); background: var(--canvas-subtle); }
.version-explorer > header {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: .9rem;
  border-bottom: 1px solid var(--border);
  background: var(--canvas-raised);
  padding: 1.25rem 1.35rem;
}
.version-explorer h2 { margin: .25rem 0 .2rem; font-size: 1.45rem; letter-spacing: -.02em; }
.version-explorer header p { margin: 0; color: var(--text-subtle); font-size: .88rem; }
.share-view-button, .load-history-button, .latest-change-button {
  min-height: 38px;
  border: 1px solid var(--accent);
  border-radius: 3px;
  background: var(--canvas);
  color: var(--accent);
  padding: .48rem .75rem;
  font-size: .8rem;
  font-weight: 700;
  white-space: nowrap;
}
.share-view-button:hover, .load-history-button:hover, .latest-change-button:hover { background: var(--accent-soft); }
.share-view-button { width: 100%; }
.version-layout { display: block; }
.version-layout > div { min-width: 0; border-bottom: 1px solid var(--border); padding: 1.1rem; }
.version-timeline { max-height: min(43vh, 440px); overflow-y: auto; margin: 0; padding: 0 .35rem 0 0; list-style: none; }
.version-event { position: relative; margin-left: .55rem; border-left: 2px solid var(--border); padding: 0 0 .8rem 1.2rem; }
.version-event:last-child { padding-bottom: 0; }
.version-node { position: absolute; top: 1rem; left: -6px; width: 10px; height: 10px; border: 2px solid var(--canvas-subtle); border-radius: 50%; background: var(--border-strong); box-shadow: 0 0 0 1px var(--border); }
.version-event.current .version-node { width: 12px; height: 12px; left: -7px; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.version-event.selected .version-node { background: var(--accent); }
.version-event button { width: 100%; display: grid; gap: .12rem; border: 1px solid transparent; border-radius: 4px; background: transparent; color: var(--text); padding: .55rem .65rem; text-align: left; }
.version-event button:hover { border-color: var(--border); background: var(--canvas-raised); }
.version-event.selected button { border-color: var(--accent); background: var(--accent-soft); }
.version-date { display: flex; align-items: center; gap: .45rem; color: var(--text-subtle); font-size: .75rem; }
.version-date em { border-radius: 999px; background: var(--accent); color: #fff; padding: .08rem .4rem; font-size: .65rem; font-style: normal; font-weight: 700; text-transform: uppercase; }
.version-event strong { overflow: hidden; font-size: .88rem; text-overflow: ellipsis; white-space: nowrap; }
.version-event small { margin-top: .15rem; color: var(--accent); font-size: .7rem; }
.load-history-button { width: calc(100% - 1.1rem); margin: 1rem 0 0 1.1rem; }
.comparison-controls { min-width: 0; background: var(--canvas-raised); padding: 1.1rem; }
.comparison-range { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: .65rem; margin: .65rem 0 .85rem; }
.comparison-range > div { min-width: 0; }
.comparison-range > div > span { display: block; margin-bottom: .2rem; color: var(--text-subtle); font-size: .7rem; font-weight: 700; text-transform: uppercase; }
.comparison-range a { display: grid; gap: .12rem; color: var(--text); text-decoration: none; }
.comparison-range strong, .comparison-range small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.comparison-range strong { font-size: .8rem; }
.comparison-range small { color: var(--text-subtle); font-size: .68rem; }
.comparison-arrow { color: var(--accent); font-size: 1.25rem; }
.latest-change-button { width: 100%; }
.comparison-controls details { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: .9rem; }
.comparison-controls summary { cursor: pointer; color: var(--accent); font-size: .82rem; font-weight: 700; }
.advanced-comparison { display: grid; gap: .7rem; margin-top: .85rem; }
.advanced-comparison label { display: grid; gap: .25rem; color: var(--text-subtle); font-size: .72rem; font-weight: 600; }
.advanced-comparison select { width: 100%; min-width: 0; border: 1px solid var(--border-strong); border-radius: 3px; background: var(--canvas); color: var(--text); padding: .5rem; font-size: .74rem; }
.advanced-comparison button { border: 0; padding: .55rem .7rem; }
.advanced-comparison p, .share-view-status { min-height: 1.15rem; margin: 0; color: var(--danger); font-size: .72rem; }
.share-view-status { margin-top: .65rem; color: var(--success); }
.diff-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.diff-heading h2 { margin: .25rem 0 0; font-size: 1.8rem; }
.diff-heading p { margin: 0; color: var(--text-subtle); }
.diff-tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-top: 1rem; }
.diff-tabs button { border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--text-subtle); padding: .65rem .85rem; }
.diff-tabs button:hover { background: var(--canvas-subtle); color: var(--text); }
.diff-tabs button.active { border-bottom-color: var(--accent); color: var(--text); font-weight: 600; }
.diff-panel { overflow-x: auto; border: 1px solid var(--border); border-top: 0; background: var(--canvas-raised); padding: clamp(1rem, 3vw, 2.1rem); }
.rich-diff { max-width: 900px; }
.rich-diff h1, .rich-diff h2, .rich-diff h3 { letter-spacing: -.02em; line-height: 1.2; }
.rich-diff h1 { font-size: 2.1rem; }
.rich-diff h2 { margin-top: 2rem; font-size: 1.55rem; }
.rich-diff h3 { margin-top: 1.6rem; font-size: 1.2rem; }
.rich-diff table { width: 100%; border-collapse: collapse; }
.rich-diff th, .rich-diff td { border: 1px solid var(--border); padding: .55rem; text-align: left; }
.rich-diff pre { overflow: auto; background: var(--code); padding: 1rem; }
.rich-diff img { height: auto; border: 1px solid var(--border); }
.rich-diff ins { background: var(--success-soft); color: inherit; text-decoration: none; box-shadow: 0 0 0 2px var(--success-soft); }
.rich-diff del { background: var(--danger-soft); color: inherit; text-decoration-thickness: 2px; box-shadow: 0 0 0 2px var(--danger-soft); }
.learn-alert { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 1rem; }
.learn-alert-title { color: var(--accent); font-weight: 700; }
.markdown-diff { overflow: auto; background: var(--code); }
.markdown-diff pre { margin: 0; padding: 1rem 0; font-size: .79rem; line-height: 1.55; }
.markdown-diff-line { display: block; min-width: max-content; padding: 0 1rem; white-space: pre; }
.markdown-diff-line.added { background: var(--success-soft); }
.markdown-diff-line.removed { background: var(--danger-soft); }
.markdown-diff-line.hunk { background: var(--accent-soft); color: var(--accent); margin: .5rem 0; }
.markdown-diff-line.file-new, .markdown-diff-line.file-old, .markdown-diff-line.meta { color: var(--text-subtle); }
.diff-navigator {
  position: fixed;
  z-index: 40;
  top: 90px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--canvas-raised) 96%, transparent);
  box-shadow: 0 8px 28px rgb(0 0 0 / 20%);
  backdrop-filter: blur(10px);
  padding: .45rem;
  transform: translateX(-50%);
}
.diff-navigator-label { min-width: 58px; color: var(--text-subtle); font-size: .75rem; padding: 0 .4rem; text-align: center; white-space: nowrap; }
.diff-navigator button { height: 36px; border: 1px solid var(--border); border-radius: 4px; background: var(--canvas); color: var(--accent); padding: 0 .8rem; font-size: .82rem; font-weight: 700; white-space: nowrap; }
.diff-navigator button:hover { border-color: var(--accent); background: var(--accent-soft); }
.diff-jump-target { scroll-margin-block: 160px; }
.diff-jump-active { outline: 3px solid var(--accent); outline-offset: 4px; }
.quiet { color: var(--text-subtle); }

.token-drawer-open { overflow: hidden; }
.token-drawer-backdrop {
  position: fixed;
  z-index: 80;
  inset: 0;
  background: rgb(0 0 0 / 48%);
  backdrop-filter: blur(2px);
  animation: token-backdrop-in .18s ease-out;
}
.token-drawer-backdrop[hidden], .github-token-drawer[hidden] { display: none; }
.github-token-drawer {
  position: fixed;
  z-index: 81;
  top: 0;
  right: 0;
  width: min(420px, 100vw);
  height: 100dvh;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  background: var(--canvas-raised);
  color: var(--text);
  box-shadow: -14px 0 42px rgb(0 0 0 / 24%);
  padding: 24px 24px 32px;
  animation: token-drawer-in .25s cubic-bezier(.16, 1, .3, 1);
}
.token-drawer-head { position: relative; margin-bottom: 1.35rem; padding-right: 2.5rem; }
.token-drawer-head h2 { margin: .2rem 0 0; font-size: 1.55rem; line-height: 1.15; }
.token-drawer-close { position: absolute; top: -4px; right: -4px; display: inline-flex; width: 32px; height: 32px; align-items: center; justify-content: center; border: 0; border-radius: 6px; background: transparent; color: var(--text-subtle); padding: 0; opacity: .75; }
.token-drawer-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2; }
.token-drawer-close:hover { background: var(--canvas-subtle); color: var(--text); opacity: 1; }
.token-form { margin-bottom: 1.35rem; }
.token-field-label { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .45rem; }
.github-token-drawer .token-field-label label { margin: 0; font-size: .82rem; font-weight: 650; }
.token-field-label > span { border: 1px solid var(--border); border-radius: 999px; background: var(--canvas-subtle); color: var(--text-subtle); padding: .05rem .45rem; font-size: .65rem; font-weight: 600; letter-spacing: .02em; }
.github-token-drawer input { width: 100%; height: 42px; border-color: var(--border); border-radius: 6px; background: var(--canvas-raised); padding: .55rem .7rem; font-family: var(--font-mono); font-size: .82rem; }
.github-token-drawer input:hover { border-color: var(--border-strong); }
.github-token-drawer input:focus { border-color: var(--focus); box-shadow: 0 0 0 1px var(--focus); outline: none; }
.token-drawer-intro { margin: 0 0 1rem; border-top: 1px solid var(--border); color: var(--text-subtle); padding-top: 1.15rem; font-size: .82rem; }
.token-rate-summary { margin: 0 0 1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--canvas-subtle); padding: .9rem; }
.token-rate-summary h3 { margin: 0 0 .3rem; font-size: .95rem; }
.token-rate-summary > p { margin: 0; color: var(--text-subtle); font-size: .8rem; }
.token-rate-grid { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; margin: .8rem 0; border: 1px solid var(--border); border-radius: 6px; background: var(--canvas-raised); }
.token-rate-grid > div { padding: .7rem; }
.token-rate-grid > div + div { border-left: 1px solid var(--border); }
.token-rate-grid strong, .token-rate-grid span, .token-rate-grid small { display: block; }
.token-rate-grid strong { color: var(--text); font-size: 1.35rem; line-height: 1; }
.token-rate-grid span { margin-top: .3rem; font-size: .74rem; font-weight: 700; }
.token-rate-grid small { margin-top: .25rem; color: var(--text-subtle); font-size: .66rem; line-height: 1.35; }
.token-rate-summary .token-rate-note { font-size: .74rem; }
.token-limit-alert { margin: 0 0 1.25rem; border-left: 3px solid var(--danger); background: var(--danger-soft); padding: .8rem .9rem; font-size: .82rem; }
.token-limit-alert strong { display: block; margin-bottom: .2rem; font-size: 1rem; }
.token-limit-alert p { margin: 0; }
.token-privilege-callout { display: grid; grid-template-columns: 30px 1fr; gap: .7rem; margin: 0; border: 1px solid var(--border); border-radius: 8px; background: var(--canvas-raised); padding: .8rem; font-size: .78rem; }
.token-privilege-icon { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 6px; background: var(--accent-soft); color: var(--accent); }
.token-privilege-icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.token-privilege-callout strong { display: block; margin-bottom: .15rem; font-size: .84rem; }
.token-privilege-callout p { margin: 0; }
.token-drawer-actions { display: flex; align-items: center; gap: .5rem; margin-top: .7rem; }
.token-save, .token-forget { height: 36px; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: #fff; padding: 0 .8rem; font-size: .78rem; font-weight: 650; }
.token-save:hover { background: var(--accent-hover); }
.token-forget { border-color: var(--border); background: transparent; color: var(--text-subtle); }
.token-forget:hover { border-color: var(--border-strong); background: var(--canvas-subtle); color: var(--text); }
.token-drawer-status { margin: .5rem 0 0; color: var(--accent); font-size: .75rem; }
.token-drawer-status:empty { display: none; }
.token-drawer-help { margin: .25rem 0 0; font-size: .78rem; }
.token-drawer-help summary { display: inline-flex; align-items: center; gap: .3rem; cursor: pointer; color: var(--text-subtle); padding: .35rem 0; font-size: .72rem; font-weight: 600; list-style: none; }
.token-drawer-help summary::-webkit-details-marker { display: none; }
.token-help-chevron { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; transition: transform .18s ease; }
.token-drawer-help[open] .token-help-chevron { transform: rotate(180deg); }
.token-drawer-help summary:hover { color: var(--text); }
.token-drawer-help-body { margin-top: .35rem; border: 1px solid var(--border); border-radius: 6px; background: var(--canvas-subtle); padding: .7rem .8rem .8rem; }
.token-drawer-help ol { margin: .1rem 0 .75rem; padding-left: 1.15rem; }
.token-drawer-help li { margin-bottom: .45rem; }
.token-drawer-warning { margin: 0; border-top: 1px solid var(--border); color: var(--text-subtle); padding-top: .65rem; font-size: .72rem; }
@keyframes token-drawer-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes token-backdrop-in { from { opacity: 0; } to { opacity: 1; } }

.site-footer { border-top: 1px solid var(--border); background: var(--canvas-subtle); }
.footer-showcase {
  width: min(1440px, calc(100% - 8rem));
  margin: auto;
  padding: clamp(3.75rem, 6vw, 5.5rem) 0;
}
.footer-feature { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(2rem, 3vw, 3.5rem); }
.footer-feature-copy { min-width: 0; }
.footer-eyebrow { display: block; margin-bottom: 1rem; color: var(--text-subtle); font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.footer-feature-heading { display: inline-flex; align-items: center; gap: 1rem; color: var(--text); text-decoration: none; }
.footer-feature-heading img { width: 72px; height: 72px; object-fit: contain; }
.footer-feature-heading span { font-size: clamp(2.1rem, 3vw, 3.3rem); font-weight: 650; letter-spacing: -.035em; line-height: 1; }
.footer-feature-heading:hover span { color: var(--accent); }
.footer-feature p { max-width: 62ch; margin: 1.5rem 0; color: var(--text-subtle); font-size: 1rem; line-height: 1.65; }
.footer-feature-visual { display: block; width: 100%; max-width: 680px; justify-self: end; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
.footer-feature-visual img { width: 100%; height: auto; display: block; transition: transform .25s ease; }
.footer-feature-visual:hover img { transform: scale(1.012); }
.footer-cta { display: inline-flex; align-items: center; gap: .35rem; color: var(--accent); font-size: .95rem; font-weight: 700; text-underline-offset: 4px; }
.footer-cta span { transition: transform .16s ease; }
.footer-cta:hover span { transform: translateX(3px); }
.footer-utility-wrap { border-top: 1px solid var(--border); background: var(--canvas); }
.footer-utility {
  width: min(1760px, calc(100% - 4rem));
  margin: auto;
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(360px, 1.45fr) auto;
  align-items: center;
  gap: 2rem;
  padding: 1.65rem 0;
}
.footer-identity .brand { width: max-content; }
.footer-identity p { margin: .55rem 0 0; color: var(--text-subtle); font-size: .76rem; }
.footer-utility-links { display: flex; flex-wrap: wrap; gap: .45rem 1.1rem; }
.footer-utility-links a { color: var(--text-subtle); font-size: .8rem; text-decoration-color: color-mix(in srgb, var(--text-subtle) 55%, transparent); text-underline-offset: 3px; }
.footer-utility-links a:hover { color: var(--accent); }
.social-icon-links { display: block; }
.footer-social-title { display: block; margin-bottom: .55rem; color: var(--text-subtle); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.social-icon-grid { display: flex; flex-wrap: wrap; gap: .4rem; }
.social-icon-grid a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--canvas);
  color: var(--text);
}
.social-icon-grid a:hover { border-color: currentColor; background: var(--canvas-raised); text-decoration: none; transform: translateY(-1px); }
.social-icon-grid svg { width: 19px; height: 19px; fill: currentColor; }
.social-icon-grid .social-youtube { color: #e62117; }
.social-icon-grid .social-linkedin { color: #0a66c2; }
.social-icon-grid .social-bluesky { color: #1185fe; }
.social-icon-grid .social-mastodon { color: #6364ff; }
.footer-bottom { width: min(1760px, calc(100% - 4rem)); margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem 2rem; border-top: 1px solid var(--border); color: var(--text-subtle); font-size: .72rem; padding: 1rem 0 1.25rem; }
.footer-bottom > span:last-child { text-align: right; }
.footer-sponsor { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; color: var(--text); font-weight: 700; text-decoration: none; }
.footer-sponsor span { color: #db3b73; font-size: 1rem; line-height: 1; }
.footer-sponsor:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1100px) {
  .diff-workspace { grid-template-columns: 1fr; }
  .version-sidebar { position: static; order: -1; max-height: none; overflow: visible; }
  .version-explorer > header { flex-direction: row; justify-content: space-between; gap: 1.5rem; }
  .share-view-button { width: auto; }
  .version-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .85fr); }
  .version-layout > div { border-right: 1px solid var(--border); border-bottom: 0; }
  .version-timeline { max-height: 420px; }
}

@media (max-width: 920px) {
  .brand small { display: none; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .content-layout { grid-template-columns: 180px minmax(0, 1fr); }
  .page-toc { display: none; }
  .diff-hero { grid-template-columns: 1fr; align-items: start; }
  .version-layout { grid-template-columns: 1fr; }
  .version-layout > div { border-right: 0; border-bottom: 1px solid var(--border); }
  .footer-showcase { width: calc(100% - 4rem); }
  .footer-feature { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-feature-visual { justify-self: center; }
  .footer-utility { grid-template-columns: 1fr 1fr; }
  .footer-identity { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .header-inner { width: min(100% - 1rem, var(--max)); gap: .35rem; }
  .header-inner > .brand { gap: .45rem; font-size: 1rem; }
  .header-inner > .brand .brand-logo { width: 28px; height: 28px; }
  .header-action { min-height: 36px; padding: .3rem .5rem; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    background: var(--canvas);
    padding: .5rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { justify-content: flex-start; }
  .hero-inner { padding: 2rem 0 3rem; }
  .hero h1 { font-size: clamp(2.4rem, 11.5vw, 3.6rem); white-space: normal; }
  .hero::after { right: -2rem; opacity: .7; }
  .shortcut-demo { width: calc(100% - 1rem); }
  .demo-body { grid-template-columns: 1fr; gap: 1.8rem; padding-top: 3.9rem; }
  .shortcut-pointer { transform: translateX(-88%); }
  .address-trail { display: none; }
  .url-form { flex-direction: column; }
  .url-form button { width: 100%; }
  .content-layout { display: block; }
  .side-nav { position: static; display: flex; overflow-x: auto; margin-bottom: 1.5rem; }
  .side-nav strong { display: none; }
  .side-nav a { flex: 0 0 auto; border-left: 0; border-bottom: 2px solid var(--border); }
  .side-nav a[aria-current="page"] { border-bottom-color: var(--accent); }
  .page-shell, .section, .hero-inner { width: calc(100% - 1.25rem); }
  .product-grid { grid-template-columns: 1fr; }
  .tool-link-grid { grid-template-columns: 1fr; }
  .diff-page { width: calc(100% - 1rem); padding-top: 1rem; }
  .result-head { flex-direction: column; }
  .version-explorer > header { flex-direction: column; }
  .share-view-button { width: 100%; }
  .version-layout > div, .comparison-controls { padding: .85rem; }
  .version-timeline { max-height: 430px; }
  .diff-heading { align-items: start; flex-direction: column; }
  .diff-panel { padding: .75rem; }
  .diff-navigator { width: max-content; max-width: calc(100vw - 1.25rem); gap: .25rem; }
  .diff-navigator-label { min-width: 46px; padding: 0 .2rem; }
  .diff-navigator button { padding: 0 .6rem; font-size: .75rem; }
  .github-token-drawer { padding: 24px 21px 30px; }
  .content-main .author-card { grid-template-columns: 88px 1fr; gap: 1rem; padding: 1rem; }
  .author-avatar { width: 88px; height: 88px; }
  .footer-showcase { width: calc(100% - 2rem); padding: 3rem 0; }
  .footer-feature { gap: 2rem; }
  .footer-feature-heading img { width: 56px; height: 56px; }
  .footer-feature-visual { border-radius: 8px; }
  .footer-utility { grid-template-columns: 1fr; width: calc(100% - 2rem); gap: 1.4rem; }
  .footer-identity { grid-column: auto; }
  .footer-bottom { width: calc(100% - 2rem); grid-template-columns: 1fr; gap: .65rem; }
  .footer-bottom > span:last-child { text-align: left; }
  .footer-sponsor { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .shortcut-x { max-width: 1em; opacity: 1; transform: scale(1); }
  .shortcut-pointer { opacity: 1; transform: translateX(-92%); }
  .shortcut-pointer path { stroke-dashoffset: 0; }
  .diff-preview { opacity: 1; transform: none; }
  .x-ray-scan { display: none; }
}