:root {
  color-scheme: dark;
  --bg: #101316;
  --bg-rail: #171b1f;
  --surface: #202327;
  --surface-soft: #2b3035;
  --surface-hot: #332126;
  --text: #f3f7f8;
  --muted: #aab8bd;
  --line: #3f474d;
  --brand: #83e9ff;
  --brand-strong: #31cdea;
  --accent: #ff4f55;
  --accent-soft: #ffb35c;
  --code: #d9f7ff;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  font-family: Inter, Lato, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255, 79, 85, 0.12) 0, rgba(255, 79, 85, 0) 92px),
    linear-gradient(270deg, rgba(131, 233, 255, 0.16) 0, rgba(131, 233, 255, 0) 98px),
    var(--bg);
  line-height: 1.65;
}

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

a:hover,
a:focus {
  color: #baf4ff;
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 10px clamp(16px, 4vw, 42px);
  border-bottom: 1px solid var(--line);
  background: rgba(23, 27, 31, 0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 190px;
  color: var(--text);
  text-decoration: none;
}

.brand:hover,
.brand:focus {
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(131, 233, 255, 0.36);
  border-radius: 8px;
  background: #101316;
  object-fit: cover;
  box-shadow:
    0 0 18px rgba(131, 233, 255, 0.18),
    -10px 0 20px rgba(255, 79, 85, 0.12);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 1.04rem;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 5px;
}

.top-nav a,
.language-picker select,
.search-box input,
.side-nav a,
.page-card,
.callout {
  border-radius: 8px;
}

.top-nav a {
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.top-nav a:hover,
.top-nav a:focus {
  color: var(--text);
  background: rgba(131, 233, 255, 0.08);
  text-decoration: none;
}

.top-nav a[aria-current="page"] {
  color: #091113;
  background: var(--brand);
  text-decoration: none;
}

.language-picker {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.language-picker select,
.search-box input {
  border: 1px solid var(--line);
  background: #15191d;
  color: var(--text);
}

.language-picker select {
  min-width: 150px;
  padding: 9px 34px 9px 10px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 850px) minmax(190px, 240px);
  gap: clamp(18px, 3vw, 34px);
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 38px);
}

.sidebar,
.toc {
  position: sticky;
  top: 104px;
  align-self: start;
}

.search-box {
  margin-bottom: 20px;
}

.search-box label,
.toc h2 {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.search-box input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  font-size: 1rem;
}

.search-box input:focus,
.language-picker select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(131, 233, 255, 0.16);
  outline: none;
}

.side-nav {
  display: grid;
  gap: 6px;
}

.side-nav a {
  display: block;
  padding: 10px 12px;
  border: 1px solid transparent;
  color: var(--muted);
}

.nav-hits {
  display: grid;
  gap: 2px;
  margin: 2px 0 6px 12px;
  padding-left: 10px;
  border-left: 1px solid rgba(131, 233, 255, 0.22);
}

.nav-hits a {
  padding: 4px 8px;
  font-size: 0.86rem;
}

.side-nav a:hover,
.side-nav a:focus {
  border-color: rgba(131, 233, 255, 0.22);
  color: var(--text);
  background: rgba(131, 233, 255, 0.06);
  text-decoration: none;
}

.side-nav a[aria-current="page"] {
  border-color: rgba(131, 233, 255, 0.55);
  color: #081113;
  background: var(--brand);
  text-decoration: none;
}

.side-nav small {
  display: block;
  margin-top: 2px;
  color: inherit;
  opacity: 0.78;
  font-size: 0.82rem;
}

.content {
  min-width: 0;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(49, 205, 234, 0.04), rgba(255, 79, 85, 0.025) 38%, rgba(32, 35, 39, 0) 72%), var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-soft);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
}

h1 {
  max-width: 780px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.lead {
  max-width: 760px;
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 1.12rem;
}

h2 {
  margin: 38px 0 12px;
  padding-top: 8px;
  font-size: 1.55rem;
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.13rem;
}

p {
  margin: 0 0 15px;
}

ul,
ol {
  margin: 0 0 22px;
  padding-left: 22px;
}

li {
  margin-bottom: 8px;
}

code {
  padding: 2px 5px;
  border: 1px solid rgba(131, 233, 255, 0.18);
  border-radius: 5px;
  color: var(--code);
  background: #11171b;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.page-card {
  display: block;
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #181d21;
  color: var(--text);
  text-decoration: none;
}

.page-card:hover,
.page-card:focus {
  border-color: var(--brand);
  color: var(--text);
  background: #202932;
  text-decoration: none;
  box-shadow: 0 0 22px rgba(131, 233, 255, 0.1);
}

.page-card strong {
  display: block;
  margin-bottom: 7px;
  color: #ffffff;
  font-size: 1.05rem;
}

.page-card span {
  color: var(--muted);
  font-size: 0.95rem;
}

.callout {
  margin: 24px 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 79, 85, 0.38);
  border-left: 4px solid var(--accent);
  background: var(--surface-hot);
}

.callout strong {
  display: block;
  margin-bottom: 5px;
  color: #ffffff;
}

.table-wrap {
  overflow-x: auto;
  margin: 18px 0 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: #181d21;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--brand);
  background: #252b31;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

td:first-child {
  width: 32%;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: 0;
}

.toc {
  padding-left: 4px;
}

.toc nav {
  display: grid;
  gap: 8px;
}

.toc a {
  color: var(--muted);
  font-size: 0.92rem;
}

.toc a:hover,
.toc a:focus,
.toc a[aria-current="true"] {
  color: var(--brand);
}

.toc a[aria-current="true"] {
  font-weight: 700;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.pager a {
  max-width: 48%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #181d21;
  color: var(--text);
}

.pager a:hover,
.pager a:focus {
  border-color: var(--brand);
  background: #202932;
  text-decoration: none;
}

.empty-state {
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
}

@media (max-width: 1120px) {
  .layout {
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .brand {
    min-width: 0;
  }

  .top-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .language-picker select {
    width: 100%;
  }

  .layout {
    display: block;
    padding: 16px;
  }

  .sidebar {
    position: static;
    margin-bottom: 18px;
  }

  .side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content {
    padding: 22px 18px;
  }

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

  .pager {
    display: grid;
  }

  .pager a {
    max-width: none;
  }
}