:root {
  /* Blues from the FileOctopus CLASSIC icon and the landing page (DEC-WEB-04). */
  color-scheme:light dark;
  --bg:#fff;
  --surface:#f5f8fc;
  --text:#1c2430;
  --muted:#56637a;
  --line:#dae2ee;
  --accent:#0a5bd8;
  --soft:#e8f1fe;
  --code:#eef3f9;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.65
}

* {
  box-sizing:border-box
}

body {
  margin:0;
  background:var(--bg);
  color:var(--text)
}

a {
  color:var(--accent);
  text-underline-offset:3px
}

a:hover {
  text-decoration-thickness:2px
}

button,input {
  font:inherit
}

button {
  cursor:pointer
}

a,button,input,summary {
  touch-action:manipulation
}

:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:4px
}

::selection {
  background:#cfe2fd
}

h1,h2,h3 {
  line-height:1.2;
  letter-spacing:-.025em
}

h1 {
  font-size:clamp(2.2rem,4vw,3.5rem);
  margin:.3rem 0 1rem;
  max-width:850px
}

h2 {
  font-size:1.65rem;
  margin:3rem 0 1rem;
  scroll-margin-top:100px
}

h3 {
  font-size:1.14rem;
  margin:1.8rem 0 .6rem
}

p {
  margin:.8rem 0 1.1rem
}

li {
  margin:.4rem 0
}

ul,ol {
  padding-left:1.5rem
}

strong {
  font-weight:650
}

.header {
  height:76px;
  position:sticky;
  top:0;
  z-index:10;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:0 32px;
  background:var(--bg)
}

.brand {
  display:flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--text);
  font-size:1.05rem;
  font-weight:700;
  white-space:nowrap
}

.brand-mark {
  background:var(--accent);
  color:#fff;
  border-radius:9px;
  padding:3px 8px;
  letter-spacing:-2px;
  font-size:1.1rem
}

.brand-mark span {
  opacity:.7
}

.brand-icon {
  width:34px;
  height:34px;
  border-radius:9px;
  flex:none
}

.guide-label {
  border-left:1px solid var(--line);
  padding-left:12px;
  font-size:.9rem;
  font-weight:400;
  color:var(--muted)
}

.header-link {
  font-size:.85rem;
  text-decoration:none
}

.layout {
  display:grid;
  grid-template-columns:258px minmax(0,850px) 210px;
  max-width:1440px;
  margin:auto
}

.sidebar {
  height:calc(100dvh - 76px);
  position:sticky;
  top:76px;
  overflow-y:auto;
  border-right:1px solid var(--line);
  padding:28px 20px
}

.nav-group {
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-weight:700;
  margin:1.7rem 0 .6rem;
  color:var(--muted)
}

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

.sidebar nav li {
  margin:2px 0
}

.sidebar nav a {
  display:block;
  border-radius:6px;
  padding:6px 10px;
  color:var(--muted);
  text-decoration:none;
  font-size:.86rem;
  line-height:1.5
}

.sidebar nav a:hover {
  background:var(--surface);
  color:var(--text)
}

.sidebar nav a[aria-current] {
  background:var(--soft);
  color:var(--accent);
  font-weight:650
}

.docs-search label {
  font-size:.8rem;
  display:block;
  margin-bottom:6px;
  font-weight:600
}

.docs-search input {
  width:100%;
  min-height:42px;
  border:1px solid var(--line);
  border-radius:7px;
  background:var(--bg);
  padding:8px 10px;
  color:var(--text);
  font-size:.82rem
}

.search-status {
  font-size:.72rem;
  color:var(--muted);
  margin:7px 0
}

.search-results {
  margin:10px 0;
  padding:0;
  list-style:none
}

.search-results li {
  border-bottom:1px solid var(--line);
  padding:7px 0
}

.search-results a {
  font-size:.85rem;
  display:block
}

.search-results small {
  display:block;
  font-size:.72rem;
  color:var(--muted);
  line-height:1.4;
  margin:4px 0
}

.toc {
  position:sticky;
  top:76px;
  align-self:start;
  padding:32px 20px;
  max-height:calc(100dvh - 76px);
  overflow:auto
}

.toc .nav-group {
  margin-top:0
}

.toc li {
  line-height:1.5;
  margin:12px 0
}

.toc a {
  font-size:.78rem;
  color:var(--muted);
  text-decoration:none
}

.toc a:hover {
  color:var(--accent)
}

main {
  padding:52px 48px 24px;
  min-width:0
}

.eyebrow {
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.7rem;
  font-weight:700;
  color:var(--accent);
  margin:0
}

.lead {
  font-size:1.15rem;
  color:var(--muted);
  line-height:1.65;
  margin:0 0 2rem
}

.callout,.note,.warning {
  border-left:3px solid var(--accent);
  padding:14px 20px;
  background:var(--soft);
  border-radius:0 8px 8px 0;
  margin:24px 0
}

.callout p:first-child,.note p:first-child,.warning p:first-child {
  margin-top:0
}

.callout p:last-child,.note p:last-child,.warning p:last-child {
  margin-bottom:0
}

code,kbd {
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.88em;
  background:var(--code);
  padding:2px 5px;
  border-radius:4px;
  overflow-wrap:anywhere
}

kbd {
  border:1px solid var(--line);
  white-space:nowrap
}

pre {
  overflow:auto;
  padding:18px;
  background:var(--code);
  border-radius:8px
}

pre code {
  padding:0
}

table {
  border-collapse:collapse;
  width:100%;
  font-size:.88rem;
  margin:24px 0;
  display:block;
  overflow-x:auto
}

th,td {
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  vertical-align:top
}

th {
  background:var(--surface);
  font-size:.8rem
}

blockquote {
  margin:24px 0;
  border-left:3px solid var(--line);
  padding-left:20px;
  color:var(--muted)
}

.cards,.feature-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin:24px 0
}

.card {
  border:1px solid var(--line);
  border-radius:10px;
  padding:20px;
  background:var(--surface)
}

.card h3 {
  margin:0 0 8px
}

.card p {
  font-size:.9rem;
  margin:0
}

.demo {
  margin-top:40px
}

.demo video,article img {
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface)
}

.caption {
  font-size:.78rem;
  color:var(--muted)
}

details {
  border:1px solid var(--line);
  border-radius:8px;
  padding:12px 16px;
  margin:16px 0
}

summary {
  cursor:pointer;
  font-weight:600;
  font-size:.9rem
}

.adjacent {
  display:flex;
  gap:16px;
  justify-content:space-between;
  margin:56px 0 32px;
  border-top:1px solid var(--line);
  padding-top:24px
}

.adjacent a {
  text-decoration:none;
  max-width:48%;
  font-weight:600;
  font-size:.95rem
}

.adjacent span {
  display:block;
  font-size:.7rem;
  color:var(--muted);
  font-weight:400;
  text-transform:uppercase;
  letter-spacing:.08em
}

footer {
  border-top:1px solid var(--line);
  padding:24px 0;
  font-size:.75rem;
  color:var(--muted)
}

footer a {
  color:var(--muted)
}

.skip {
  position:fixed;
  left:12px;
  top:-80px;
  z-index:30;
  background:var(--bg);
  padding:10px 16px
}

.skip:focus {
  top:12px
}

.menu-button {
  display:none;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text);
  padding:5px 12px;
  border-radius:6px
}

button[hidden] {
  display:none
}

@media(min-width:1700px) {
  .layout {
    max-width:1510px;
    grid-template-columns:280px minmax(0,980px) 250px
  }
}

@media(max-width:1150px) {
  .layout {
    grid-template-columns:240px minmax(0,1fr)
  }
  .toc {
    display:none
  }
  main {
    padding:40px 32px
  }
}

@media(max-width:760px) {
  .header {
    height:64px;
    padding:0 18px
  }
  .header-link {
    display:none
  }
  .menu-button:not([hidden]) {
    display:block
  }
  .layout {
    display:block
  }
  .sidebar {
    display:none;
    position:static;
    height:auto;
    max-height:65dvh;
    border-bottom:1px solid var(--line);
    border-right:0
  }
  .sidebar.is-open {
    display:block
  }
  body:has(.menu-button[hidden]) .sidebar {
    display:block;
    max-height:none
  }
  main {
    padding:30px 20px 16px
  }
  .lead {
    font-size:1.05rem
  }
  .cards,.feature-grid {
    grid-template-columns:1fr
  }
  .brand {
    font-size:1rem
  }
  h2 {
    scroll-margin-top:80px
  }
  th,td {
    padding:10px 8px
  }
  .adjacent {
    margin-top:36px
  }
}

@media(prefers-color-scheme:dark) {
  :root {
    --bg:#14181f;
    --surface:#1b212b;
    --text:#e4eaf2;
    --muted:#a6b2c4;
    --line:#323c4b;
    --accent:#6db3ff;
    --soft:#1a2c46;
    --code:#232b37
  }
  .brand-mark {
    background:#0a5bd8;
    color:#fff
  }
  ::selection {
    background:#24406a
  }
}

@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    scroll-behavior:auto!important;
    animation:none!important;
    transition:none!important
  }
}

@media print {
  .header,.sidebar,.toc,.adjacent,.skip {
    display:none
  }
  .layout {
    display:block
  }
  main {
    padding:0
  }
  video {
    display:none
  }
  body {
    color:#000;
    background:#fff
  }
  a {
    color:#000
  }
  h2 {
    break-after:avoid
  }
  table,figure {
    break-inside:avoid
  }
}