:root { --bg: #08080a; --bg-2: #101013; --card: #131317; --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.14); --text: #f4f4f5; --muted: #a1a1aa; --dim: #71717a; --accent: #1e9bff; --top: 56px; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 16px); }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.65 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.dx-skip { position: absolute; left: -999px; } .dx-skip:focus { left: 8px; top: 8px; z-index: 50; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; }
.dx-top { position: sticky; top: 0; z-index: 20; height: var(--top); display: flex; align-items: center; gap: 14px; padding: 0 20px; background: rgba(8,8,10,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.dx-brand { display: flex; align-items: center; gap: 9px; color: var(--text); font-weight: 700; }
.dx-brand { white-space: nowrap; }
.dx-brand:hover { text-decoration: none; } .dx-brand span { color: var(--accent); }
.dx-search-btn { flex: 1; max-width: 360px; margin-left: 12px; display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: var(--card); color: var(--muted); border: 1px solid var(--line-2); border-radius: 10px; font: inherit; cursor: pointer; }
.dx-search-btn:hover { border-color: var(--accent); }
kbd { font: 12px ui-monospace, monospace; padding: 1px 6px; border: 1px solid var(--line-2); border-radius: 5px; color: var(--dim); }
.dx-links { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.dx-links a { color: var(--muted); } .dx-links a:hover { color: var(--text); text-decoration: none; }
.dx-links .dx-cta { white-space: nowrap; color: #fff; background: var(--accent); padding: 7px 14px; border-radius: 9px; font-weight: 600; }
.dx-menu { display: none; background: none; border: 0; color: var(--text); font-size: 22px; cursor: pointer; padding: 4px 6px; }
.dx-layout { display: grid; grid-template-columns: 264px minmax(0, 1fr) 220px; max-width: 1360px; margin: 0 auto; }
.dx-side { position: sticky; top: var(--top); height: calc(100vh - var(--top)); overflow-y: auto; padding: 24px 12px 40px 20px; border-right: 1px solid var(--line); }
.dx-group { margin-bottom: 22px; }
.dx-group-title { margin: 0 0 6px 10px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 700; }
.dx-side ul { list-style: none; margin: 0; padding: 0; }
.dx-side a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.dx-side a:hover { background: var(--card); color: var(--text); text-decoration: none; }
.dx-side a.is-active { background: rgba(30,155,255,.14); color: var(--accent); font-weight: 600; }
.dx-main { padding: 36px 48px 80px; min-width: 0; }
.dx-crumb { margin: 0 0 6px; color: var(--accent); font-size: 13px; font-weight: 600; }
.dx-main h1 { margin: 0 0 4px; font-size: 34px; line-height: 1.2; letter-spacing: -.02em; }
.dx-meta { margin: 0 0 28px; color: var(--dim); font-size: 13px; }
.dx-body { max-width: 760px; }
.dx-body h2 { margin: 2em 0 .5em; font-size: 22px; padding-top: .4em; border-top: 1px solid var(--line); }
.dx-body h3 { margin: 1.6em 0 .4em; font-size: 17px; }
.dx-body p, .dx-body ul, .dx-body ol, .dx-body .table-wrap, .dx-body .callout, .dx-body pre { margin: 0 0 1.1em; }
.dx-body li { margin: .25em 0; }
.dx-body code { font: 13px ui-monospace, 'SF Mono', Menlo, monospace; background: var(--card); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
.dx-body pre { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; overflow-x: auto; }
.dx-body pre code { background: none; border: 0; padding: 0; }
.dx-body .table-wrap { overflow-x: auto; border: 1px solid var(--line-2); border-radius: 10px; }
.dx-body table { border-collapse: collapse; width: 100%; font-size: 14px; }
.dx-body th, .dx-body td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.dx-body th { background: var(--card); color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.dx-body tr:last-child td { border-bottom: 0; }
.dx-body .callout { --c: #1e9bff; padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); border-left: 4px solid var(--c); border-radius: 10px; background: color-mix(in srgb, var(--c) 9%, transparent); }
.dx-body .callout > :last-child { margin-bottom: 0; }
.dx-body .callout-title { margin: 0 0 4px; font-weight: 700; color: var(--c); }
.dx-body .callout-tip { --c: #22c55e; } .dx-body .callout-warning { --c: #f59e0b; } .dx-body .callout-danger { --c: #ef4444; }
.dx-pager { max-width: 760px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 48px; }
.dx-pager a { display: block; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; color: var(--text); }
.dx-pager a:hover { border-color: var(--accent); text-decoration: none; }
.dx-pager small { display: block; color: var(--dim); font-size: 12px; } .dx-pager span { font-weight: 600; }
.dx-next { text-align: right; }
.dx-help { max-width: 760px; margin-top: 28px; color: var(--dim); font-size: 13px; }
.dx-toc { position: sticky; top: var(--top); align-self: start; max-height: calc(100vh - var(--top)); overflow-y: auto; padding: 36px 20px 20px 8px; font-size: 13px; }
.dx-toc-title { margin: 0 0 8px; color: var(--dim); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.dx-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.dx-toc a { display: block; padding: 3px 12px; color: var(--muted); } .dx-toc a:hover { color: var(--text); text-decoration: none; }
.dx-toc .l3 a { padding-left: 24px; }
.dx-modal { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.6); display: flex; justify-content: center; align-items: flex-start; padding: 12vh 16px 0; }
.dx-modal[hidden] { display: none; }
.dx-modal-box { width: 100%; max-width: 560px; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; }
.dx-modal input { width: 100%; padding: 16px; background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--text); font: inherit; font-size: 16px; outline: none; }
#dxResults { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow-y: auto; }
#dxResults a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--text); }
#dxResults a.is-sel, #dxResults a:hover { background: rgba(30,155,255,.14); text-decoration: none; }
#dxResults small { display: block; color: var(--dim); font-size: 12px; }
#dxResults .dx-none { padding: 14px; color: var(--dim); }
@media (max-width: 1100px) { .dx-layout { grid-template-columns: 264px minmax(0, 1fr); } .dx-toc { display: none; } }
@media (max-width: 800px) {
  .dx-menu { display: block; } .dx-links a:not(.dx-cta) { display: none; } .dx-search-btn span { display: none; } .dx-search-btn { flex: 0 0 auto; margin-left: auto; } .dx-links { margin-left: 0; }
  .dx-top { padding: 0 12px; gap: 8px; } .dx-links .dx-cta { padding: 6px 10px; font-size: 13px; }
  .dx-layout { grid-template-columns: minmax(0, 1fr); }
  .dx-side { position: fixed; z-index: 30; left: 0; top: var(--top); bottom: 0; width: 280px; height: auto; background: var(--bg); transform: translateX(-100%); transition: transform .2s; }
  .dx-side.is-open { transform: none; }
  .dx-main { padding: 24px 16px 64px; } .dx-main h1 { font-size: 28px; } .dx-pager { grid-template-columns: 1fr; }
}