@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;600;700&display=swap');

:root {
  --ink: #202622;
  --ink-soft: #56615b;
  --muted: #7a837d;
  --paper: #f3f3ee;
  --paper-bright: #fbfbf8;
  --paper-deep: #e8ebe4;
  --mint: #2aa87d;
  --mint-pale: #e5f2eb;
  --blue: #5b8fb9;
  --line: rgba(32, 38, 34, 0.13);
  --line-soft: rgba(32, 38, 34, 0.08);
  --mono: 'DM Mono', monospace;
  --sans: 'Manrope', 'Noto Serif SC', sans-serif;
  --serif: 'Noto Serif SC', Georgia, serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}

.docs-shell {
  min-height: 100vh;
  background: var(--paper-bright);
}
.docs-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 248, 0.94);
  backdrop-filter: blur(14px);
}
.docs-brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.08em;
}
.docs-brand img {
  width: 28px;
  height: 28px;
  padding: 4px;
  border-radius: 8px;
  background: var(--mint);
}
.docs-brand b {
  margin-left: 3px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--mint);
  font: 9px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.docs-header-meta {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 34px);
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: 0.04em;
}
.docs-header-meta > a {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}
.docs-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.docs-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-pale);
}
.language-toggle {
  padding: 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font: 10px var(--mono);
  letter-spacing: 0.06em;
}
.language-toggle i {
  padding: 0 4px;
  color: var(--mint);
  font-style: normal;
}

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
}
.docs-sidebar {
  position: sticky;
  top: 72px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 72px);
  padding: 34px 24px 22px;
  border-right: 1px solid var(--line);
  background: var(--paper);
}
.sidebar-intro {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.sidebar-kicker,
.nav-label,
.sidebar-footer,
.toc-label,
.doc-kicker,
.section-marker,
.note-label,
.callout-grid span {
  font: 9px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.sidebar-kicker {
  color: var(--mint);
}
.sidebar-intro p {
  max-width: 170px;
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
}
.docs-nav {
  flex: 1;
  padding-top: 26px;
}
.nav-group {
  margin-bottom: 28px;
}
.nav-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
}
.nav-link {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 4px;
  align-items: center;
  min-height: 32px;
  margin: 2px 0;
  padding: 0 8px;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 12px;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease;
}
.nav-link span {
  color: var(--muted);
  font: 9px var(--mono);
}
.nav-link:hover {
  color: var(--ink);
  background: rgba(42, 168, 125, 0.06);
}
.nav-link.active {
  border-left-color: var(--mint);
  color: var(--ink);
  background: var(--mint-pale);
}
.nav-link.active span {
  color: var(--mint);
}
.sidebar-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
}

.docs-main {
  min-width: 0;
  background: var(--paper-bright);
  background-image: linear-gradient(to right, rgba(42, 168, 125, 0.035) 1px, transparent 1px);
  background-size: 80px 100%;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px clamp(24px, 5vw, 82px) 0;
  color: var(--muted);
  font: 10px var(--mono);
}
.breadcrumbs b {
  color: var(--mint);
  font-weight: 400;
}
.docs-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 760px) 170px;
  gap: clamp(44px, 7vw, 100px);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 82px) 100px;
}
.doc-article {
  min-width: 0;
  padding-top: 50px;
}
.doc-header {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
.doc-kicker {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--mint);
}
.doc-kicker b {
  color: var(--muted);
  font-weight: 400;
}
.doc-header h1 {
  margin: 25px 0 18px;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.075em;
}
.doc-lede {
  max-width: 660px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.65;
}
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 30px;
  color: var(--muted);
  font: 9px var(--mono);
  letter-spacing: 0.04em;
}
.doc-meta span::before {
  content: '·';
  margin-right: 8px;
  color: var(--mint);
}

.demo-section {
  padding-top: 52px;
}
.demo-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.demo-kicker {
  display: block;
  color: var(--mint);
  font: 9px var(--mono);
  letter-spacing: 0.12em;
}
.demo-heading h2 {
  margin-top: 14px;
}
.demo-heading > div > p {
  max-width: 590px;
}
.demo-badge {
  flex: 0 0 auto;
  padding: 7px 9px;
  border: 1px solid rgba(42, 168, 125, 0.28);
  color: var(--mint);
  font: 9px var(--mono);
  letter-spacing: 0.08em;
}
.demo-figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: var(--ink);
  box-shadow: 12px 12px 0 rgba(42, 168, 125, 0.12);
}
.demo-figure video {
  display: block;
  width: 100%;
  max-height: 540px;
  background: #18211d;
  object-fit: contain;
}
.demo-figure figcaption {
  display: flex;
  gap: 14px;
  padding: 13px 15px;
  color: rgba(251, 251, 248, 0.68);
  background: var(--ink);
  font: 10px var(--mono);
  line-height: 1.6;
}
.demo-figure figcaption b {
  color: #86d9b7;
  font-weight: 400;
}

.doc-section {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.section-marker {
  padding-top: 10px;
  color: var(--mint);
}
.section-body h2 {
  margin: 0 0 17px;
  font-size: clamp(27px, 3vw, 37px);
  line-height: 1.15;
  letter-spacing: -0.06em;
}
.section-body > p {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}
.note-block {
  margin-top: 28px;
  padding: 20px 22px;
  border-left: 3px solid var(--mint);
  background: var(--mint-pale);
}
.note-label {
  color: var(--mint);
}
.note-block p {
  max-width: 570px;
  margin: 12px 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
}

.step-list {
  display: grid;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.step-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 15px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.step-list li > span {
  color: var(--mint);
  font: 10px var(--mono);
}
.step-list strong {
  display: block;
  font-size: 15px;
  letter-spacing: -0.02em;
}
.step-list p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.architecture-table {
  margin-top: 30px;
  border-top: 1px solid var(--ink);
  font-size: 12px;
}
.table-row {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1.1fr;
  gap: 18px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  line-height: 1.55;
}
.table-row strong {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
}
.table-row span {
  color: var(--ink-soft);
}
.table-head {
  padding-top: 10px;
  padding-bottom: 10px;
  color: var(--muted);
  font: 9px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.table-head span {
  color: var(--muted);
}

.pipeline {
  display: grid;
  grid-template-columns: 1fr 18px 1fr 18px 1fr 18px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 18px;
  border: 1px solid rgba(42, 168, 125, 0.28);
  background: rgba(42, 168, 125, 0.045);
  overflow-x: auto;
}
.pipeline > div {
  min-width: 100px;
}
.pipeline span {
  display: block;
  color: var(--mint);
  font: 9px var(--mono);
}
.pipeline strong {
  display: block;
  margin-top: 13px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
}
.pipeline small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}
.pipeline > b {
  color: var(--mint);
  font-size: 18px;
  font-weight: 400;
}

.doc-figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: #fff;
}
.doc-figure img {
  display: block;
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  object-position: center top;
}
.doc-figure figcaption {
  display: flex;
  gap: 14px;
  padding: 13px 15px;
  color: var(--muted);
  font: 10px var(--mono);
  line-height: 1.6;
}
.doc-figure figcaption b {
  color: var(--mint);
  font-weight: 400;
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}
.callout-grid > div {
  min-height: 130px;
  padding: 17px;
  background: var(--paper);
}
.callout-grid span {
  color: var(--mint);
}
.callout-grid strong {
  display: block;
  margin-top: 20px;
  font-size: 14px;
}
.callout-grid p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}
.doc-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px 0;
  color: var(--muted);
  font: 10px var(--mono);
}
.doc-footer a {
  color: var(--mint);
}

.toc {
  position: sticky;
  top: 110px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-top: 84px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}
.toc-label {
  margin-bottom: 3px;
  color: var(--muted);
}
.toc a {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  transition: color 0.18s ease;
}
.toc a:hover {
  color: var(--mint);
}
.toc-rule {
  height: 1px;
  margin: 10px 0 3px;
  background: var(--line);
}

@media (max-width: 980px) {
  .docs-content-grid {
    grid-template-columns: minmax(0, 760px);
  }
  .toc {
    display: none;
  }
}

@media (max-width: 700px) {
  .docs-header {
    height: 64px;
  }
  .docs-header-meta {
    gap: 12px;
  }
  .docs-status {
    display: none;
  }
  .docs-layout {
    display: block;
  }
  .docs-sidebar {
    position: static;
    height: auto;
    padding: 22px 20px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .sidebar-intro {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 17px;
  }
  .sidebar-intro p {
    max-width: 230px;
    margin: 0;
    font-size: 13px;
  }
  .docs-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    overflow: visible;
    padding: 18px 0 3px;
  }
  .nav-group {
    min-width: 0;
    margin: 0;
  }
  .nav-label {
    margin-bottom: 7px;
  }
  .nav-link {
    min-width: 0;
    grid-template-columns: 20px 1fr;
    padding-left: 4px;
    padding-right: 3px;
    font-size: 11px;
  }
  .sidebar-footer {
    display: none;
  }
  .breadcrumbs {
    padding: 22px 20px 0;
  }
  .docs-content-grid {
    display: block;
    padding: 0 20px 70px;
  }
  .doc-article {
    padding-top: 34px;
  }
  .doc-header {
    padding-bottom: 35px;
  }
  .doc-header h1 {
    font-size: 50px;
  }
  .doc-lede {
    font-size: 18px;
  }
  .demo-heading {
    display: block;
  }
  .demo-badge {
    display: inline-block;
    margin-top: 20px;
  }
  .demo-figure {
    box-shadow: 7px 7px 0 rgba(42, 168, 125, 0.12);
  }
  .doc-section {
    grid-template-columns: 31px minmax(0, 1fr);
    gap: 12px;
    padding: 48px 0;
  }
  .section-body h2 {
    font-size: 28px;
  }
  .section-body > p {
    font-size: 14px;
  }
  .table-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 14px 8px;
  }
  .table-row span:last-child {
    grid-column: 2;
  }
  .table-head span:last-child {
    display: none;
  }
  .pipeline {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .pipeline > b {
    display: none;
  }
  .pipeline > div {
    min-width: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }
  .pipeline > div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }
  .callout-grid {
    grid-template-columns: 1fr;
  }
  .callout-grid > div {
    min-height: 0;
  }
  .doc-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition-duration: 0.01ms !important;
  }
}