:root{--ease: cubic-bezier(.22, 1, .36, 1);--fast: .18s;--blur: 16px;--bar-h: 3rem;--gap: .6rem;--chip: 2.15rem;--radius: 16px;--maxw: 1220px;--sidebar-w: 15rem;--toc-w: 13rem;--fg: #111111;--bg: #f3f3f3;--muted: #5a5a5a;--line: rgba(17, 17, 17, .1);--glass: rgba(255, 255, 255, .58);--glass-strong: rgba(255, 255, 255, .78);--ring: rgba(17, 17, 17, .35);--shadow: 0 8px 28px rgba(0, 0, 0, .1), 0 1px 4px rgba(0, 0, 0, .05);--shadow-lift: 0 14px 40px rgba(0, 0, 0, .16), 0 2px 6px rgba(0, 0, 0, .07);--code-bg: rgba(255, 255, 255, .62);color-scheme:light}[data-theme=dark]{--fg: #f4f4f4;--bg: #070707;--muted: #a8a8a8;--line: rgba(255, 255, 255, .12);--glass: rgba(18, 18, 18, .52);--glass-strong: rgba(22, 22, 22, .74);--ring: rgba(255, 255, 255, .45);--shadow: 0 8px 30px rgba(0, 0, 0, .6), 0 1px 4px rgba(0, 0, 0, .45);--shadow-lift: 0 16px 44px rgba(0, 0, 0, .72), 0 2px 8px rgba(0, 0, 0, .5);--code-bg: rgba(20, 20, 20, .66);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--bar-h) * 2 + 2rem)}body{margin:0;background:var(--bg);color:var(--fg);font-family:Vazirmatn,Segoe UI,Tahoma,system-ui,sans-serif;font-size:15px;line-height:1.85;overflow-x:hidden;-webkit-font-smoothing:antialiased}body:before,body:after{content:"";position:fixed;width:55vmax;height:55vmax;border-radius:50%;pointer-events:none;z-index:0;will-change:transform}body:before{top:-18vmax;inset-inline-start:-12vmax;background:radial-gradient(circle,rgba(0,0,0,.1),transparent 68%);animation:drift 26s var(--ease) infinite alternate}body:after{bottom:-20vmax;inset-inline-end:-16vmax;background:radial-gradient(circle,rgba(0,0,0,.08),transparent 70%);animation:drift2 32s var(--ease) infinite alternate}[data-theme=dark] body:before{background:radial-gradient(circle,rgba(255,255,255,.08),transparent 68%)}[data-theme=dark] body:after{background:radial-gradient(circle,rgba(255,255,255,.05),transparent 70%)}@keyframes drift{0%{transform:translateZ(0)}to{transform:translate3d(6vmax,4vmax,0)}}@keyframes drift2{0%{transform:translateZ(0)}to{transform:translate3d(-5vmax,-3vmax,0)}}a{color:inherit}:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:6px}.glass{background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(var(--blur)) saturate(155%);-webkit-backdrop-filter:blur(var(--blur)) saturate(155%)}.skip-link{position:absolute;inset-inline-start:-9999px;top:0;z-index:100;padding:.6rem 1rem;background:var(--fg);color:var(--bg);border-radius:0 0 12px 12px}.skip-link:focus{inset-inline-start:1rem}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}body:before,body:after{animation:none}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.shell{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;padding:var(--gap) .75rem 0;transition:transform .25s var(--ease)}.topbar__capsule{position:relative;display:flex;align-items:center;gap:.15rem;height:var(--bar-h);max-width:var(--maxw);margin:0 auto;padding:0 .4rem;border:1px solid var(--line);border-radius:999px;background:var(--glass-strong);box-shadow:var(--shadow);backdrop-filter:blur(var(--blur)) saturate(165%);-webkit-backdrop-filter:blur(var(--blur)) saturate(165%);transition:box-shadow .22s var(--ease)}.topbar--scrolled .topbar__capsule{box-shadow:var(--shadow-lift)}.topbar__capsule:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.55),transparent 58%);opacity:.75}[data-theme=dark] .topbar__capsule:after{background:linear-gradient(180deg,rgba(255,255,255,.1),transparent 58%)}.topbar__capsule>*{position:relative;z-index:1}.brand{display:inline-flex;align-items:center;gap:.5rem;padding:0 .2rem;text-decoration:none;flex:0 0 auto}.brand__mark{width:var(--chip);height:var(--chip);border-radius:50%;border:1px solid var(--line);background:#fff;object-fit:cover;transform:scale(1);transition:transform var(--fast) var(--ease)}.brand:hover .brand__mark{transform:scale(1.07)}.brand__name{font-weight:700;font-size:.9rem;letter-spacing:-.01em;white-space:nowrap}.topbar__spacer{flex:1 1 auto}.chip{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:var(--chip);height:var(--chip);padding:0;border:0;border-radius:50%;background:transparent;color:var(--fg);cursor:pointer;text-decoration:none;transition:transform var(--fast) var(--ease),background-color var(--fast) var(--ease)}.chip:hover{background:var(--glass);transform:scale(1.09)}.chip:active{transform:scale(.93)}.chip svg{width:1.1rem;height:1.1rem}.searchbtn{display:inline-flex;align-items:center;gap:.5rem;height:calc(var(--bar-h) - .9rem);min-width:12rem;padding:0 .4rem 0 .75rem;margin:0 .3rem;border:1px solid var(--line);border-radius:999px;background:var(--glass);color:var(--muted);font:inherit;font-size:.72rem;cursor:pointer;transition:background-color var(--fast) var(--ease)}.searchbtn:hover{background:var(--glass-strong);color:var(--fg)}.searchbtn svg{width:.95rem;height:.95rem;flex:0 0 auto}.searchbtn__label{flex:1 1 auto;text-align:start}.kbd{font-family:JetBrains Mono,ui-monospace,monospace;font-size:.6rem;padding:.1rem .35rem;border:1px solid var(--line);border-radius:6px;background:var(--glass-strong);color:var(--muted);direction:ltr}.navpill{display:flex;justify-content:center;margin-top:var(--gap);padding:0 .75rem}.navpill__list{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.12rem;margin:0;padding:.25rem;list-style:none;border:1px solid var(--line);border-radius:999px;background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(var(--blur)) saturate(150%);-webkit-backdrop-filter:blur(var(--blur)) saturate(150%)}.navpill__link{display:block;padding:.3rem .85rem;border-radius:999px;font-size:.7rem;font-weight:600;white-space:nowrap;text-decoration:none;color:var(--muted);transition:color var(--fast) var(--ease),background-color var(--fast) var(--ease),transform var(--fast) var(--ease)}.navpill__link:hover{color:var(--fg);background:var(--glass-strong);transform:translateY(-1px)}.navpill__link--active,.navpill__link--active:hover{color:var(--bg);background:var(--fg);font-weight:700}.layout{flex:1 1 auto;width:100%;max-width:var(--maxw);margin:0 auto;padding:1.75rem .75rem 3rem;display:grid;gap:1.5rem;grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--toc-w);align-items:start}.layout--wide{grid-template-columns:minmax(0,1fr) var(--toc-w);max-width:68rem}.layout--wide:not(:has(.toc)){grid-template-columns:minmax(0,1fr);max-width:62rem}.rail{position:sticky;top:calc(var(--bar-h) * 2 + var(--gap) * 2 + 1rem);max-height:calc(100vh - var(--bar-h) * 2 - 4rem);overflow-y:auto;padding:.9rem;border-radius:var(--radius);scrollbar-width:thin}.rail__section+.rail__section{margin-top:1.1rem}.rail__title{margin:0 0 .4rem;font-size:.62rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.rail__list{list-style:none;margin:0;padding:0}.rail__link{display:block;padding:.22rem .6rem;border-radius:999px;font-size:.78rem;text-decoration:none;color:var(--muted);transition:background-color var(--fast) var(--ease),color var(--fast) var(--ease),transform var(--fast) var(--ease)}.rail__link:hover{color:var(--fg);background:var(--glass);transform:translate(-2px)}.rail__link--active{color:var(--fg);background:var(--glass-strong);font-weight:700}.article{min-width:0;padding:1.6rem 1.8rem 2.2rem;border-radius:var(--radius)}.toc__link{display:block;padding:.16rem .6rem;border-radius:8px;font-size:.72rem;color:var(--muted);text-decoration:none;border-inline-start:2px solid transparent;transition:color var(--fast) var(--ease),border-color var(--fast) var(--ease)}.toc__link:hover{color:var(--fg)}.toc__link--active{color:var(--fg);border-inline-start-color:var(--fg);font-weight:600}.toc__link--d3{padding-inline-start:1.4rem;font-size:.68rem}.footer{margin-top:auto;padding:1.5rem .75rem 2rem;border-top:1px solid var(--line);text-align:center;font-size:.74rem;color:var(--muted)}.footer a{color:var(--fg);text-decoration:none;border-bottom:1px solid var(--line)}.fadein{animation:fadein .32s var(--ease) both}@keyframes fadein{0%{opacity:0;transform:translate3d(0,8px,0)}to{opacity:1;transform:none}}@media (max-width: 1100px){.layout{grid-template-columns:var(--sidebar-w) minmax(0,1fr)}.layout--wide,.layout--wide:not(:has(.toc)){grid-template-columns:minmax(0,1fr)}.toc{display:none}}@media (max-width: 820px){.layout{grid-template-columns:minmax(0,1fr);padding-top:1.25rem}.sidebar{display:none}.sidebar--open{display:block;position:fixed;inset:calc(var(--bar-h) + var(--gap) * 2) 0 0;z-index:25;max-height:none;border-radius:0;overflow-y:auto;background:var(--glass-strong);backdrop-filter:blur(var(--blur)) saturate(150%);-webkit-backdrop-filter:blur(var(--blur)) saturate(150%)}.navpill{display:none}.searchbtn{min-width:0}.searchbtn__label,.searchbtn .kbd,.brand__name{display:none}.article{padding:1.2rem 1rem 1.8rem}}@media (min-width: 821px){.chip--menu{display:none}}.dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;justify-content:center;padding:5vh 1rem 1rem}.dialog__scrim{position:absolute;top:0;right:0;bottom:0;left:0;border:0;padding:0;background:#00000059;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);cursor:default;animation:fadein .2s var(--ease) both}.dialog__panel{position:relative;width:min(38rem,100%);max-height:70vh;display:flex;flex-direction:column;border-radius:20px;box-shadow:var(--shadow-lift);overflow:hidden;background:var(--glass-strong);animation:fadein .24s var(--ease) both}.dialog__field{display:flex;align-items:center;gap:.5rem;padding:.55rem .6rem .55rem .9rem;border-bottom:1px solid var(--line)}.dialog__field>svg{width:1.05rem;height:1.05rem;color:var(--muted);flex:0 0 auto}.dialog__input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:var(--fg);font:inherit;font-size:.95rem;outline:none}.dialog__results{overflow-y:auto;padding:.4rem}.dialog__hint{margin:0;padding:1.2rem;text-align:center;color:var(--muted);font-size:.8rem}.dialog__hit{display:block;width:100%;text-align:start;padding:.55rem .75rem;border:0;border-radius:12px;background:transparent;color:inherit;font:inherit;cursor:pointer}.dialog__hit--active{background:var(--glass)}.dialog__hitTitle{display:block;font-weight:700;font-size:.85rem}.dialog__hitExcerpt{display:block;font-size:.72rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.prose{font-size:.95rem;line-height:1.9}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose h1{margin:0 0 1rem;font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1.3}.prose h2{margin:2.2rem 0 .9rem;padding-bottom:.35rem;font-size:1.35rem;font-weight:700;border-bottom:1px solid var(--line)}.prose h3{margin:1.6rem 0 .6rem;font-size:1.08rem;font-weight:700}.prose h4{margin:1.2rem 0 .5rem;font-size:.96rem;font-weight:700}.prose p{margin:.9rem 0}.prose a{color:var(--fg);text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1px;transition:opacity var(--fast) var(--ease)}.prose a:hover{opacity:.65}.prose ul,.prose ol{margin:.9rem 0;padding-inline-start:1.4rem}.prose li{margin:.3rem 0}.prose blockquote{margin:1.2rem 0;padding:.6rem 1rem;border-inline-start:3px solid var(--fg);border-radius:10px;background:var(--glass);color:var(--muted)}.prose hr{margin:2rem 0;border:0;border-top:1px solid var(--line)}.prose img{max-width:100%;height:auto;border-radius:12px}.prose :not(pre)>code{direction:ltr;unicode-bidi:isolate;padding:.08em .38em;border:1px solid var(--line);border-radius:6px;background:var(--code-bg);font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85em}.codeblock{position:relative;margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--code-bg);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));overflow:hidden}.codeblock__bar{display:flex;align-items:center;justify-content:space-between;padding:.3rem .55rem .3rem .75rem;border-bottom:1px solid var(--line);direction:ltr}.codeblock__lang{font-family:JetBrains Mono,ui-monospace,monospace;font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.codeblock__copy{display:inline-flex;align-items:center;gap:.3rem;padding:.15rem .5rem;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:.62rem;cursor:pointer;transition:color var(--fast) var(--ease),background-color var(--fast) var(--ease)}.codeblock__copy:hover{color:var(--fg);background:var(--glass)}.codeblock pre{direction:ltr;text-align:left;margin:0;padding:.9rem 1rem;overflow-x:auto;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.8rem;line-height:1.7}.codeblock pre code{background:none;border:0;padding:0;font-size:inherit}.prose table{width:100%;margin:1.2rem 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:.85rem}.prose th,.prose td{padding:.5rem .8rem;text-align:start;border-bottom:1px solid var(--line)}.prose thead th{background:var(--glass-strong);font-weight:700}.prose tbody tr:last-child td{border-bottom:0}.prose [dir=ltr]{direction:ltr;text-align:left}.prose :is(h2,h3,h4){scroll-margin-top:calc(var(--bar-h) * 2 + 2rem)}.hljs-comment,.hljs-quote{color:var(--muted);font-style:italic}.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-section,.hljs-link{font-weight:700}.hljs-string,.hljs-title,.hljs-name,.hljs-attribute,.hljs-symbol,.hljs-bullet,.hljs-built_in,.hljs-addition,.hljs-variable,.hljs-template-tag,.hljs-template-variable{opacity:.85}.hljs-number,.hljs-meta{opacity:.7}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}[data-theme=dark] .hljs-keyword{color:#fff}[data-theme=dark] .hljs-string{color:#d7d7d7}[data-theme=light] .hljs-keyword{color:#000}.adm{margin:1.3rem 0;padding:.85rem 1rem;border:1px solid var(--line);border-inline-start:3px solid var(--fg);border-radius:14px;background:var(--glass)}.adm>:first-child{margin-top:0}.adm>:last-child{margin-bottom:0}.adm__title{margin:0 0 .4rem!important;font-weight:700;font-size:.82rem;letter-spacing:.01em}.adm--warning,.adm--danger{border-inline-start-style:double;border-inline-start-width:5px}.adm--tip,.adm--note{opacity:.98}.grid.cards>ul,ul.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:.85rem;margin:1.3rem 0;padding:0;list-style:none}.grid.cards>ul>li,ul.cards>li{margin:0;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);transition:transform var(--fast) var(--ease),box-shadow var(--fast) var(--ease)}.grid.cards>ul>li:hover,ul.cards>li:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.grid.cards>ul>li>:first-child{margin-top:0}.grid.cards>ul>li>:last-child{margin-bottom:0}.grid.cards>ul>li hr{margin:.6rem 0;opacity:.6}.ns-hero{text-align:center;padding:1rem 0 .5rem}.ns-hero img{width:120px;height:auto;margin:0 auto .5rem;border-radius:22px}.ns-hero h1{margin:.4rem 0 .6rem;font-size:2.6rem}.ns-hero>p{max-width:34rem;margin:.4rem auto;color:var(--muted)}.ns-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1.4rem 0 1rem}.ns-actions p{display:contents}.ns-btn{display:inline-flex;align-items:center;padding:.5rem 1.3rem;border:1px solid var(--fg);border-radius:999px;background:var(--fg);color:var(--bg)!important;font-weight:700;font-size:.85rem;text-decoration:none!important;transition:transform var(--fast) var(--ease),opacity var(--fast) var(--ease)}.ns-btn:hover{transform:translateY(-2px);opacity:1}.ns-btn.ghost{background:transparent;color:var(--fg)!important}.ns-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem;margin:1rem 0 .5rem}.ns-chip{padding:.22rem .75rem;border:1px solid var(--line);border-radius:999px;background:var(--glass);font-size:.72rem;color:var(--muted)}