/* vahidbaghi.ir — the site as a notebook.
   Colour tokens follow @jupyterlab/theme-light-extension and -dark-extension
   so the chrome reads as the real application in both themes. */
:root{
  --jp-layout0:#ffffff; --jp-layout1:#ffffff; --jp-layout2:#eeeeee; --jp-layout3:#bdbdbd;
  --jp-border1:#e0e0e0; --jp-border2:#bdbdbd;
  --jp-ui-font-color1:rgba(0,0,0,.87); --jp-ui-font-color2:rgba(0,0,0,.54);
  --jp-ui-font-color3:rgba(0,0,0,.38);
  --jp-content-font-color1:rgba(0,0,0,.87); --jp-content-font-color3:rgba(0,0,0,.38);
  --jp-brand1:#2196f3; --jp-brand2:#42a5f5;
  --jp-editor-bg:#f7f7f7; --jp-editor-border:#cfcfcf;
  --jp-in-prompt:#307fc1; --jp-out-prompt:#bf5b3d;
  --jp-toolbar-bg:#ffffff; --jp-toolbar-border:#e0e0e0;
  --jp-warn:#e08e00; --jp-hover:rgba(0,0,0,.06);
  --jp-cell-hover:#f5f5f5; --jp-active-bar:#2196f3;
  --cm-kw:#008000; --cm-str:#ba2121; --cm-com:#408080; --cm-num:#666666;
  --cm-def:#0000ff; --cm-op:#aa22ff; --cm-builtin:#008000; --cm-var:#212121;
  --mpl-c0:#1f77b4; --mpl-c1:#ff7f0e; --mpl-c2:#2ca02c; --mpl-c3:#d62728;
  --mpl-axis:rgba(0,0,0,.7); --mpl-grid:rgba(0,0,0,.10); --mpl-fig:#ffffff;
  --hm0:#f7fbff; --hm1:#deebf7; --hm2:#c6dbef; --hm3:#9ecae1;
  --hm4:#6baed6; --hm5:#3182bd; --hm6:#08519c;
  --hm-ink-lo:#08306b; --hm-ink-hi:#ffffff;
  --scrim:rgba(0,0,0,.42);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --jp-layout0:#111111; --jp-layout1:#212121; --jp-layout2:#424242; --jp-layout3:#616161;
  --jp-border1:#616161; --jp-border2:#757575;
  --jp-ui-font-color1:rgba(255,255,255,.87); --jp-ui-font-color2:rgba(255,255,255,.54);
  --jp-ui-font-color3:rgba(255,255,255,.38);
  --jp-content-font-color1:rgba(255,255,255,.87); --jp-content-font-color3:rgba(255,255,255,.38);
  --jp-editor-bg:#212121; --jp-editor-border:#464646;
  --jp-in-prompt:#68a9e0; --jp-out-prompt:#d98060;
  --jp-toolbar-bg:#212121; --jp-toolbar-border:#464646;
  --jp-warn:#f0b429; --jp-hover:rgba(255,255,255,.08); --jp-cell-hover:#1b1b1b;
  --cm-kw:#7ec699; --cm-str:#e5928a; --cm-com:#7fb2b2; --cm-num:#b8b8b8;
  --cm-def:#79b8ff; --cm-op:#c792ea; --cm-builtin:#7ec699; --cm-var:#e0e0e0;
  --mpl-c0:#5fa8dd; --mpl-c1:#ffa14a; --mpl-c2:#5ec25e; --mpl-c3:#ef5f60;
  --mpl-axis:rgba(255,255,255,.72); --mpl-grid:rgba(255,255,255,.13); --mpl-fig:#212121;
  --hm0:#1b232c; --hm1:#22374b; --hm2:#2a4a68; --hm3:#356090;
  --hm4:#4179b8; --hm5:#5596d6; --hm6:#7ab6ec;
  --hm-ink-lo:#a7c6e2; --hm-ink-hi:#0c1a26;
  --scrim:rgba(0,0,0,.62);
}}
:root[data-theme="dark"]{
  --jp-layout0:#111111; --jp-layout1:#212121; --jp-layout2:#424242; --jp-layout3:#616161;
  --jp-border1:#616161; --jp-border2:#757575;
  --jp-ui-font-color1:rgba(255,255,255,.87); --jp-ui-font-color2:rgba(255,255,255,.54);
  --jp-ui-font-color3:rgba(255,255,255,.38);
  --jp-content-font-color1:rgba(255,255,255,.87); --jp-content-font-color3:rgba(255,255,255,.38);
  --jp-editor-bg:#212121; --jp-editor-border:#464646;
  --jp-in-prompt:#68a9e0; --jp-out-prompt:#d98060;
  --jp-toolbar-bg:#212121; --jp-toolbar-border:#464646;
  --jp-warn:#f0b429; --jp-hover:rgba(255,255,255,.08); --jp-cell-hover:#1b1b1b;
  --cm-kw:#7ec699; --cm-str:#e5928a; --cm-com:#7fb2b2; --cm-num:#b8b8b8;
  --cm-def:#79b8ff; --cm-op:#c792ea; --cm-builtin:#7ec699; --cm-var:#e0e0e0;
  --mpl-c0:#5fa8dd; --mpl-c1:#ffa14a; --mpl-c2:#5ec25e; --mpl-c3:#ef5f60;
  --mpl-axis:rgba(255,255,255,.72); --mpl-grid:rgba(255,255,255,.13); --mpl-fig:#212121;
  --hm0:#1b232c; --hm1:#22374b; --hm2:#2a4a68; --hm3:#356090;
  --hm4:#4179b8; --hm5:#5596d6; --hm6:#7ab6ec;
  --hm-ink-lo:#a7c6e2; --hm-ink-hi:#0c1a26;
  --scrim:rgba(0,0,0,.62);
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--jp-layout1);color:var(--jp-content-font-color1);
  font-family:Vazirmatn,system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:14px;line-height:1.6;overflow:hidden;-webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%}
/* Vazirmatn sits in the mono stack on purpose: without it every Persian run in a
   code cell falls back to a face with no Arabic shaping and comes out as
   spaced-apart letterforms. */
.code,code,pre{font-family:"JetBrains Mono",Menlo,Consolas,"DejaVu Sans Mono",
  Vazirmatn,monospace;font-size:13px;line-height:1.3077;font-variant-ligatures:none}
.rtl{direction:rtl;text-align:right}
a{color:var(--jp-brand1)}

/* ─── app shell ─────────────────────────────────────────────── */
.jp-app{display:flex;height:100%;background:var(--jp-layout1)}

.jp-bar{width:48px;flex:0 0 48px;background:var(--jp-layout2);border-right:1px solid var(--jp-border1);
  display:flex;flex-direction:column;align-items:center;padding-top:4px;gap:2px}
.jp-bar button{width:40px;height:40px;display:grid;place-items:center;background:transparent;
  border:0;border-left:2px solid transparent;cursor:pointer;color:var(--jp-ui-font-color2);padding:0}
.jp-bar button:hover{background:var(--jp-hover);color:var(--jp-ui-font-color1)}
.jp-bar button.on{background:var(--jp-layout1);border-left-color:var(--jp-brand1);
  color:var(--jp-ui-font-color1)}
.jp-bar button:focus-visible{outline:1px solid var(--jp-brand1);outline-offset:-3px}
.jp-bar .gap{flex:1}
.jp-bar svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round}

.jp-side{width:214px;flex:0 0 214px;background:var(--jp-layout1);
  border-right:1px solid var(--jp-border1);display:flex;flex-direction:column;overflow:hidden}
.jp-side.hide{display:none}
.jp-side h3{margin:0;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--jp-ui-font-color2);padding:11px 12px 9px;border-bottom:1px solid var(--jp-border1);
  display:flex;align-items:center;justify-content:space-between}
.jp-side h3 button{display:none;background:transparent;border:0;color:var(--jp-ui-font-color2);
  font-size:18px;line-height:1;cursor:pointer;padding:0 4px}
.jp-tree{overflow-y:auto;padding:4px 0;flex:1;font-size:13px;-webkit-overflow-scrolling:touch}
.jp-tree a,.jp-tree .dir{display:flex;align-items:center;gap:7px;padding:5px 12px;
  color:var(--jp-ui-font-color1);text-decoration:none;white-space:nowrap}
.jp-tree a:hover,.jp-tree .dir:hover{background:var(--jp-hover)}
.jp-tree a.on{background:var(--jp-brand1);color:#fff}
.jp-tree a:focus-visible{outline:1px solid var(--jp-brand1);outline-offset:-1px}
.jp-tree .ind{padding-left:26px}
.jp-tree svg{width:15px;height:15px;flex:0 0 15px}
.ic-dir{fill:var(--jp-ui-font-color2)}
.ic-file{fill:var(--jp-ui-font-color3)}
.jp-side .foot{border-top:1px solid var(--jp-border1);padding:8px 12px;font-size:11px;
  color:var(--jp-ui-font-color3)}
.jp-scrim{display:none;position:fixed;inset:0;background:var(--scrim);z-index:19}
.jp-scrim.on{display:block}

.jp-main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--jp-layout1)}

/* tab bar */
.jp-tabs{display:flex;background:var(--jp-layout2);border-bottom:1px solid var(--jp-border1);
  min-height:29px;flex:0 0 auto;align-items:stretch;overflow-x:auto;scrollbar-width:none}
.jp-tabs::-webkit-scrollbar{display:none}
.jp-tab{display:flex;align-items:center;gap:7px;padding:0 8px 0 11px;font-size:12.5px;
  color:var(--jp-ui-font-color2);border-right:1px solid var(--jp-border1);background:transparent;
  cursor:pointer;white-space:nowrap;border-top:2px solid transparent;text-decoration:none;
  max-width:56vw;overflow:hidden}
.jp-tab.on{background:var(--jp-layout1);color:var(--jp-ui-font-color1);
  border-top-color:var(--jp-brand1);margin-bottom:-1px}
.jp-tab:hover{background:var(--jp-layout1)}
.jp-tab .nm{overflow:hidden;text-overflow:ellipsis}
.jp-tab svg{width:14px;height:14px;flex:0 0 14px}
.jp-tab .x{opacity:.45;font-size:15px;line-height:1;padding:2px 4px;border-radius:2px;flex:0 0 auto}
.jp-tab .x:hover{opacity:1;background:var(--jp-hover)}

/* toolbar */
.jp-toolbar{display:flex;align-items:center;gap:1px;min-height:33px;flex:0 0 auto;padding:0 5px;
  background:var(--jp-toolbar-bg);border-bottom:1px solid var(--jp-toolbar-border)}
.jp-tb{width:28px;height:26px;display:grid;place-items:center;background:transparent;border:0;
  border-radius:2px;cursor:pointer;color:var(--jp-ui-font-color1);padding:0;flex:0 0 auto}
.jp-tb:hover{background:var(--jp-hover)}
.jp-tb:focus-visible{outline:1px solid var(--jp-brand1);outline-offset:-1px}
.jp-tb svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round}
.jp-tb.fill svg{fill:currentColor;stroke:none}
.jp-sep{width:1px;height:18px;background:var(--jp-border1);margin:0 5px;flex:0 0 auto}
.jp-ctype{font:inherit;font-size:12px;height:24px;padding:0 6px;border:1px solid var(--jp-border2);
  border-radius:2px;background:var(--jp-layout1);color:var(--jp-ui-font-color1);cursor:pointer}
.jp-toolbar .sp{flex:1}
.jp-kernel{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--jp-ui-font-color2);
  padding-right:6px;white-space:nowrap}
.jp-kdot{width:9px;height:9px;border-radius:50%;border:1.5px solid currentColor;flex:0 0 9px}
.jp-kernel.busy .jp-kdot{background:currentColor;animation:kb 1.05s ease-in-out infinite}
@keyframes kb{50%{opacity:.3}}
#jp-menu{display:none}

/* ─── notebook ──────────────────────────────────────────────── */
.jp-nb{flex:1;overflow-y:auto;overflow-x:hidden;background:var(--jp-layout1);
  padding:12px 0 22vh;-webkit-overflow-scrolling:touch}
.jp-cell{display:flex;padding:0 12px;position:relative}
.jp-cellrun{position:absolute;top:3px;left:22px;width:22px;height:22px;display:none;
  place-items:center;border:1px solid var(--jp-border2);border-radius:3px;cursor:pointer;
  background:var(--jp-layout1);color:var(--jp-ui-font-color2);padding:0;z-index:2}
.jp-cell:hover .jp-cellrun,.jp-cell.sel .jp-cellrun{display:grid}
.jp-cell[data-manual] .jp-cellrun{display:grid;color:var(--jp-brand1);border-color:var(--jp-brand1)}
@media (hover:none){ .jp-cellrun{display:grid} }
.jp-cellrun:hover{color:var(--jp-brand1);border-color:var(--jp-brand1)}
.jp-cellrun svg{width:11px;height:11px;fill:currentColor;stroke:none}
.jp-cell:hover .jp-collapser{background:var(--jp-layout3)}
.jp-cell.sel .jp-collapser{background:var(--jp-active-bar)}
.jp-collapser{width:8px;flex:0 0 8px;background:transparent;border-radius:2px;margin:2px 0;
  cursor:pointer;transition:background .12s}
.jp-inner{flex:1;min-width:0;padding:2px 0}
.jp-io{display:flex;align-items:flex-start}
/* a class selector outranks the user-agent [hidden] rule, so say it here */
.jp-io[hidden]{display:none}
.jp-prompt{flex:0 0 64px;width:64px;text-align:right;padding:5px 8px 0 0;
  font-family:"JetBrains Mono",Menlo,Consolas,monospace;font-size:12px;line-height:1.3077;
  color:var(--jp-in-prompt);user-select:none;overflow:hidden;white-space:nowrap}
.jp-prompt.out{color:var(--jp-out-prompt)}
.jp-editor{flex:1;min-width:0;background:var(--jp-editor-bg);border:1px solid var(--jp-editor-border);
  border-radius:2px;padding:4px 8px;overflow-x:auto}
.jp-cell.sel .jp-editor{border-color:var(--jp-brand1)}
.jp-editor pre{margin:0;white-space:pre;color:var(--cm-var)}
/* Persian inside a left-to-right code line has to be isolated or the line
   reorders itself; every Persian run in a cell is wrapped in <bdi>. */
.jp-editor bdi{direction:rtl;unicode-bidi:isolate}
.jp-outputs{flex:1;min-width:0;padding:4px 0 2px;overflow-x:auto}
.jp-out-txt{margin:0;white-space:pre-wrap;color:var(--jp-content-font-color1);
  unicode-bidi:plaintext;display:inline-block;max-width:100%;vertical-align:top}
.jp-out-repr{margin:0;white-space:pre-wrap;color:var(--jp-content-font-color3);font-size:12px}

/* markdown cell */
.jp-md{flex:1;min-width:0;padding:5px 0 5px 64px;overflow-wrap:anywhere}
.jp-md h1{font-size:29px;font-weight:600;margin:.1em 0 .35em;line-height:1.3;text-wrap:balance}
.jp-md h2{font-size:22px;font-weight:600;margin:1.1em 0 .4em;line-height:1.35}
.jp-md h3{font-size:17px;font-weight:600;margin:1em 0 .35em}
/* JupyterLab lets markdown run the full width; at desktop widths that is a
   120-character line, so prose is capped at a readable measure. */
.jp-md,.jp-outputs{--col:680px}
.jp-md p,.jp-md li,.jp-md blockquote,.jp-md .note{max-width:var(--col)}
.jp-md p{margin:0 0 .85em;text-align:justify;overflow-wrap:anywhere}
/* figures and embeds share the prose column and its right edge, so a post reads
   as one aligned column instead of text hugging the right and images floating mid-cell */
.jp-outputs .figout{width:100%;max-width:var(--col);margin:0 0 0 auto}
.jp-outputs .figout img{max-width:100%}
.jp-outputs .embed{width:100%;max-width:var(--col);margin:0 0 0 auto;border:1px solid var(--jp-border1);
  border-radius:2px;background:#fff;overflow:hidden}
.jp-outputs .embed iframe{width:100%;border:0;display:block}
/* inside a post every output sits on the prose column; elsewhere tables keep
   JupyterLab's left placement */
.pg-post .jp-outputs>table.dataframe{margin-left:auto}
.jp-outputs .embed .open{display:block;text-align:right;font-size:12px;padding:5px 8px;
  border-top:1px solid var(--jp-border1);color:var(--jp-brand1);background:var(--jp-layout2)}
.jp-md p:last-child{margin-bottom:0}
.jp-md ul,.jp-md ol{margin:0 0 .85em;padding-inline-start:1.6em}
.jp-md li{margin-bottom:.25em}
.jp-md code{background:var(--jp-editor-bg);border:1px solid var(--jp-editor-border);
  border-radius:2px;padding:0 4px}
.jp-md blockquote{margin:0 0 .9em;padding:2px 14px;border-inline-start:3px solid var(--jp-border2);
  color:var(--jp-ui-font-color2)}
.jp-md hr{border:0;border-top:1px solid var(--jp-border1);margin:1.4em 0}
.jp-md img{max-width:100%;height:auto;border-radius:2px}
.jp-md figure{margin:0}
.jp-md figcaption{color:var(--jp-ui-font-color2);font-size:12px;padding-top:7px;text-align:center;
  max-width:none}

/* syntax */
.k{color:var(--cm-kw);font-weight:600}
.s{color:var(--cm-str)}
.c{color:var(--cm-com);font-style:italic}
.n{color:var(--cm-num)}
.b{color:var(--cm-builtin)}
.o{color:var(--cm-op)}
.f{color:var(--cm-def)}

/* ─── pandas dataframe repr ────────────────────────────────── */
table.dataframe{border-collapse:collapse;border:none;font-size:13px;
  font-family:Vazirmatn,system-ui,sans-serif}
table.dataframe thead th{border-bottom:1px solid var(--jp-content-font-color1);
  padding:.35em .6em;text-align:right;font-weight:700;vertical-align:bottom;white-space:nowrap}
table.dataframe tbody th{padding:.28em .6em;text-align:right;font-weight:600;
  color:var(--jp-ui-font-color2);white-space:nowrap}
table.dataframe tbody td{padding:.28em .6em;text-align:right;vertical-align:middle}
/* mixed Persian/Latin cells take their direction from their own first letter */
table.dataframe td,table.dataframe th{unicode-bidi:plaintext}
table.dataframe .num,table.dataframe .mono{direction:ltr;unicode-bidi:isolate}
table.dataframe tbody tr:nth-child(odd){background:var(--jp-cell-hover)}
table.dataframe tbody tr:hover{background:var(--jp-hover)}
table.dataframe td.l,table.dataframe th.l{text-align:left}
table.dataframe .num{font-family:"JetBrains Mono",Menlo,monospace;font-size:12.5px;
  font-variant-numeric:tabular-nums}
table.dataframe a{color:var(--jp-brand1);text-decoration:none}
table.dataframe a:hover{text-decoration:underline}
.df-shape{color:var(--jp-content-font-color3);font-size:12px;padding-top:6px}
/* some exported tables compare pictures rather than numbers */
table.dataframe img.thumb{max-width:150px;height:auto;border-radius:2px;display:block;
  margin:2px auto}
/* a caption sits inside the left-to-right output area, so it has to declare its
   own direction or a Latin phrase in the middle reorders the sentence */
.figout figcaption{unicode-bidi:plaintext}

/* ─── ipywidgets ───────────────────────────────────────────── */
.w-row{display:flex;align-items:center;gap:8px;margin-bottom:7px;flex-wrap:wrap}
.w-lab{font-size:13px;color:var(--jp-content-font-color1);min-width:62px;text-align:right}
.w-sel,.w-txt{font:inherit;font-size:16px;height:32px;padding:0 8px;border-radius:2px;
  border:1px solid var(--jp-border2);background:var(--jp-layout1);color:var(--jp-ui-font-color1)}
@media (min-width:700px){ .w-sel,.w-txt{font-size:13px;height:28px} }
.w-sel:focus,.w-txt:focus{outline:none;border-color:var(--jp-brand1);
  box-shadow:0 0 0 2px rgba(33,150,243,.2)}
.w-tog{display:flex;border:1px solid var(--jp-border2);border-radius:2px;overflow:hidden}
.w-tog button{font:inherit;font-size:13px;min-height:30px;padding:0 12px;border:0;cursor:pointer;
  background:var(--jp-layout1);color:var(--jp-ui-font-color1);border-right:1px solid var(--jp-border2)}
.w-tog button:last-child{border-right:0}
.w-tog button:hover{background:var(--jp-hover)}
.w-tog button.on{background:var(--jp-brand1);color:#fff}
.w-btn{font:inherit;font-size:13px;min-height:30px;padding:0 13px;border-radius:2px;cursor:pointer;
  border:1px solid var(--jp-border2);background:var(--jp-layout1);color:var(--jp-ui-font-color1)}
.w-btn:hover{background:var(--jp-hover)}

/* ─── figures ──────────────────────────────────────────────── */
.fig{background:var(--mpl-fig);display:inline-block;max-width:100%;border-radius:2px}
.fig svg{display:block;max-width:100%;height:auto}
.fig text{font-family:"DejaVu Sans",Vazirmatn,system-ui,sans-serif}

::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--jp-layout3);border-radius:6px;
  border:3px solid var(--jp-layout1)}
::-webkit-scrollbar-thumb:hover{background:var(--jp-ui-font-color3)}

/* ─── phone and small tablet ───────────────────────────────── */
@media (max-width:900px){
  .jp-bar{display:none}
  #jp-menu{display:grid}
  /* the file browser becomes a drawer over the notebook */
  .jp-side{position:fixed;top:0;bottom:0;left:0;width:262px;max-width:82vw;z-index:20;
    transform:translateX(-101%);transition:transform .22s cubic-bezier(.4,0,.2,1);
    box-shadow:2px 0 22px rgba(0,0,0,.28);display:flex}
  .jp-side.open{transform:translateX(0)}
  .jp-side.hide{display:flex}
  .jp-side h3 button{display:block}
  .jp-tree a,.jp-tree .dir{padding:9px 14px;font-size:14px}
}
@media (max-width:700px){
  .jp-toolbar{padding:0 3px}
  .jp-toolbar .opt{display:none}         /* editing buttons no phone user will press */
  .jp-kernel span:not(.jp-kdot){display:none}
  .jp-ctype{display:none}
  .jp-cell{padding:0 8px}
  .jp-collapser{width:5px;flex-basis:5px}
  /* wide enough for Out[12]: — a narrower gutter clips the prompt */
  .jp-prompt{flex-basis:52px;width:52px;font-size:10px;padding-right:6px}
  .jp-md{padding-left:52px}
  .jp-md h1{font-size:23px}
  .jp-md h2{font-size:19px}
  .jp-cellrun{left:14px;width:20px;height:20px}
  /* a figure shrunk to phone width is unreadable, so it keeps its size and the
     output area scrolls sideways instead */
  .fig svg{max-width:none}
  .jp-outputs{overflow-x:auto}
  .jp-nb{padding-bottom:30vh}
  table.dataframe{font-size:12.5px}
  table.dataframe thead th,table.dataframe tbody th,table.dataframe tbody td{padding:.3em .45em}
  .hide-sm{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}