:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-alt: #f1f4f8;
  --border: #d9e1ea;
  --border-strong: #b8c5d6;
  --text: #141b22;
  --muted: #5e6b79;
  --heading: #0d1117;
  --link: #0d63ce;
  --link-hover: #0a4fa5;
  --accent: #ff4438;
  --accent-soft: #fff1ef;
  --shadow: 0 20px 48px rgba(16, 24, 40, 0.08);
  --header-height: 4.75rem;
  --nav-width: 19rem;
  --toc-width: 16rem;
  --content-max: 52rem;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 68, 56, 0.08), transparent 22rem),
    linear-gradient(180deg, #ffffff 0, var(--bg) 20rem);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
}

code,
pre,
kbd {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-height);
  border-bottom: 1px solid rgba(20, 27, 34, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100%, 96rem);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.redis-home img {
  display: block;
  width: auto;
  height: 1.85rem;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.product-link {
  color: var(--heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-version {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-links a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.26rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 0 auto;
  background: var(--heading);
}

.page-frame {
  display: grid;
  grid-template-columns: var(--nav-width) minmax(0, 1fr) var(--toc-width);
  gap: 1.5rem;
  width: min(100%, 96rem);
  margin: 0 auto;
  padding: 1.5rem;
}

.sidebar-nav,
.sidebar-toc {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 2rem);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.sidebar-nav__header,
.sidebar-toc__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav__product,
.sidebar-toc__header {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--heading);
}

.sidebar-nav__badge {
  padding: 0.24rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-nav__body,
.sidebar-nav__footer,
.sidebar-toc__body {
  padding: 0.85rem 1rem 1rem;
}

.sidebar-nav__footer {
  border-top: 1px solid var(--border);
}

.sidebar-nav__footer a {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--heading);
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-tree,
.nav-tree ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-tree__item + .nav-tree__item {
  margin-top: 0.15rem;
}

.nav-tree__link,
.nav-tree__text {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav-tree__link:hover,
.nav-tree__text:hover {
  background: var(--surface-alt);
  text-decoration: none;
}

.nav-tree__item > .nav-tree {
  display: none;
  margin-top: 0.2rem;
  margin-left: 0.9rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}

.nav-tree__item.is-current-branch > .nav-tree,
.nav-tree > .nav-tree__item {
  display: block;
}

.nav-tree__item.is-current-branch > .nav-tree__link,
.nav-tree__link.is-current-link {
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  color: var(--accent);
}

.page-main {
  min-width: 0;
}

.breadcrumbs {
  margin-bottom: 1rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: var(--border-strong);
}

.doc-content {
  width: min(100%, var(--content-max));
  padding: 2.5rem 3rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.doc-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.doc-header__eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.doc-header__description {
  max-width: 44rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4 {
  color: var(--heading);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.doc-content h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2.4rem, 5vw, 3.35rem);
  font-weight: 800;
}

.doc-content h2 {
  margin: 2.75rem 0 0.9rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 750;
}

.doc-content h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.3rem;
  font-weight: 700;
}

.doc-content p,
.doc-content li,
.doc-content td,
.doc-content th {
  font-size: 1.02rem;
}

.doc-content > .paragraph:first-of-type p,
.doc-content .lead p {
  color: #24313d;
  font-size: 1.15rem;
}

.doc-content ul,
.doc-content ol {
  padding-left: 1.35rem;
}

.doc-content table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.doc-content th,
.doc-content td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.doc-content th {
  background: var(--surface-alt);
}

.doc-content pre,
.doc-content .listingblock pre {
  overflow: auto;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f7fafc;
}

.doc-content code {
  padding: 0.15rem 0.35rem;
  border-radius: 6px;
  background: #eef3f8;
  font-size: 0.92em;
}

.doc-content pre code {
  padding: 0;
  background: transparent;
}

.doc-content .admonitionblock {
  margin: 1.6rem 0;
}

.doc-content .admonitionblock table {
  margin: 0;
  border: none;
  background: linear-gradient(135deg, #fff, #fbfdff);
  box-shadow: none;
}

.doc-content .admonitionblock td {
  border: 1px solid var(--border);
}

.doc-content .admonitionblock td.icon {
  width: 7.5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-toc.is-empty {
  display: none;
}

.sidebar-toc__body ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-item + .toc-item {
  margin-top: 0.25rem;
}

.toc-item.is-subitem {
  margin-left: 0.9rem;
}

.sidebar-toc__body a {
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.sidebar-toc__body a:hover {
  background: var(--surface-alt);
  color: var(--heading);
  text-decoration: none;
}

.page-pagination {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(100%, var(--content-max));
  margin-top: 1.25rem;
}

.page-pagination > * {
  flex: 1 1 0;
}

.page-pagination__prev,
.page-pagination__next {
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.page-pagination__next {
  text-align: right;
}

.page-pagination__label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-pagination strong {
  color: var(--heading);
  font-size: 0.98rem;
}

.site-footer {
  padding: 1.5rem;
}

.site-footer__inner {
  width: min(100%, 96rem);
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 1180px) {
  .page-frame {
    grid-template-columns: var(--nav-width) minmax(0, 1fr);
  }

  .sidebar-toc {
    display: none;
  }
}

@media (max-width: 940px) {
  .top-links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .page-frame {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .sidebar-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: min(88vw, 22rem);
    max-height: none;
    border-radius: 0 20px 20px 0;
    transform: translateX(-104%);
    transition: transform 180ms ease;
    z-index: 25;
  }

  .nav-open .sidebar-nav {
    transform: translateX(0);
  }

  .doc-content,
  .page-pagination {
    width: 100%;
  }

  .doc-content {
    padding: 1.5rem 1.25rem;
    border-radius: 20px;
  }
}

@media (max-width: 640px) {
  .topbar-inner {
    padding: 0 1rem;
  }

  .redis-home img {
    height: 1.55rem;
  }

  .product-link {
    font-size: 0.92rem;
  }

  .product-version {
    font-size: 0.72rem;
  }

  .page-pagination {
    flex-direction: column;
  }

  .page-pagination__next {
    text-align: left;
  }
}