:root {
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #0b5fff;
  --bg: #fdfdfc;
  --code-bg: #f4f4f2;
  --measure: 42rem;
}

:root[data-theme="dark"] {
  --fg: #e6e6e6;
  --muted: #9a9a9a;
  --accent: #6ea8ff;
  --bg: #16161a;
  --code-bg: #232329;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  font-size: 1.05rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-title { font-weight: 700; font-size: 1.25rem; color: var(--fg); }

.theme-toggle {
  background: none;
  border: 1px solid var(--muted);
  border-radius: 6px;
  color: var(--fg);
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.4rem 0.55rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
/* Show the glyph for the theme you'd switch *to*. */
.theme-toggle .to-dark { display: inline; }
.theme-toggle .to-light { display: none; }
:root[data-theme="dark"] .theme-toggle .to-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .to-light { display: inline; }

.post-list { list-style: none; padding: 0; }
.post-list li { margin-bottom: 2rem; }
.post-link { font-size: 1.2rem; font-weight: 600; }
.post-list time { display: block; color: var(--muted); font-size: 0.9rem; }
.post-summary { margin: 0.35rem 0 0; color: var(--muted); }

.post-title { font-size: 2rem; line-height: 1.2; margin-bottom: 0.25rem; }
.post-date { color: var(--muted); font-size: 0.9rem; }
.post-body { margin-top: 2rem; }
.post-body h2, .post-body h3 { margin-top: 2rem; line-height: 1.3; }
.post-body img { max-width: 100%; height: auto; }

/* Heading anchor permalinks from mdit anchors_plugin */
.post-body .header-anchor { color: var(--muted); text-decoration: none; margin-left: 0.4rem; opacity: 0; }
.post-body h2:hover .header-anchor,
.post-body h3:hover .header-anchor { opacity: 1; }

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 0.15em 0.35em;
  border-radius: 4px;
}

pre.highlight {
  background: var(--code-bg);
  padding: 1rem 1.15rem;
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.5;
}
pre.highlight code { background: none; padding: 0; font-size: 0.9rem; }

blockquote {
  border-left: 3px solid var(--muted);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.footnotes { font-size: 0.9rem; color: var(--muted); border-top: 1px solid var(--code-bg); margin-top: 3rem; }

.site-footer, .back { margin-top: 3rem; color: var(--muted); font-size: 0.9rem; }


/* --- pygments (generated) --- */
pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight { background: #f8f8f8; }
.highlight .c { color: #3D7B7B; font-style: italic } /* Comment */
.highlight .err { border: 1px solid #F00 } /* Error */
.highlight .k { color: #008000; font-weight: bold } /* Keyword */
.highlight .o { color: #666 } /* Operator */
.highlight .ch { color: #3D7B7B; font-style: italic } /* Comment.Hashbang */
.highlight .cm { color: #3D7B7B; font-style: italic } /* Comment.Multiline */
.highlight .cp { color: #9C6500 } /* Comment.Preproc */
.highlight .cpf { color: #3D7B7B; font-style: italic } /* Comment.PreprocFile */
.highlight .c1 { color: #3D7B7B; font-style: italic } /* Comment.Single */
.highlight .cs { color: #3D7B7B; font-style: italic } /* Comment.Special */
.highlight .gd { color: #A00000 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #E40000 } /* Generic.Error */
.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
.highlight .gi { color: #008400 } /* Generic.Inserted */
.highlight .go { color: #717171 } /* Generic.Output */
.highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
.highlight .gt { color: #04D } /* Generic.Traceback */
.highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008000 } /* Keyword.Pseudo */
.highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #B00040 } /* Keyword.Type */
.highlight .m { color: #666 } /* Literal.Number */
.highlight .s { color: #BA2121 } /* Literal.String */
.highlight .na { color: #687822 } /* Name.Attribute */
.highlight .nb { color: #008000 } /* Name.Builtin */
.highlight .nc { color: #00F; font-weight: bold } /* Name.Class */
.highlight .no { color: #800 } /* Name.Constant */
.highlight .nd { color: #A2F } /* Name.Decorator */
.highlight .ni { color: #717171; font-weight: bold } /* Name.Entity */
.highlight .ne { color: #CB3F38; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #00F } /* Name.Function */
.highlight .nl { color: #767600 } /* Name.Label */
.highlight .nn { color: #00F; font-weight: bold } /* Name.Namespace */
.highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #19177C } /* Name.Variable */
.highlight .ow { color: #A2F; font-weight: bold } /* Operator.Word */
.highlight .w { color: #BBB } /* Text.Whitespace */
.highlight .mb { color: #666 } /* Literal.Number.Bin */
.highlight .mf { color: #666 } /* Literal.Number.Float */
.highlight .mh { color: #666 } /* Literal.Number.Hex */
.highlight .mi { color: #666 } /* Literal.Number.Integer */
.highlight .mo { color: #666 } /* Literal.Number.Oct */
.highlight .sa { color: #BA2121 } /* Literal.String.Affix */
.highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
.highlight .sc { color: #BA2121 } /* Literal.String.Char */
.highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */
.highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
.highlight .s2 { color: #BA2121 } /* Literal.String.Double */
.highlight .se { color: #AA5D1F; font-weight: bold } /* Literal.String.Escape */
.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
.highlight .si { color: #A45A77; font-weight: bold } /* Literal.String.Interpol */
.highlight .sx { color: #008000 } /* Literal.String.Other */
.highlight .sr { color: #A45A77 } /* Literal.String.Regex */
.highlight .s1 { color: #BA2121 } /* Literal.String.Single */
.highlight .ss { color: #19177C } /* Literal.String.Symbol */
.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #00F } /* Name.Function.Magic */
.highlight .vc { color: #19177C } /* Name.Variable.Class */
.highlight .vg { color: #19177C } /* Name.Variable.Global */
.highlight .vi { color: #19177C } /* Name.Variable.Instance */
.highlight .vm { color: #19177C } /* Name.Variable.Magic */
.highlight .il { color: #666 } /* Literal.Number.Integer.Long */

/* dark */
pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
:root[data-theme="dark"] .highlight .hll { background-color: #49483e }
:root[data-theme="dark"] .highlight { background: #272822; color: #F8F8F2 }
:root[data-theme="dark"] .highlight .c { color: #959077 } /* Comment */
:root[data-theme="dark"] .highlight .err { color: #ED007E; background-color: #1E0010 } /* Error */
:root[data-theme="dark"] .highlight .esc { color: #F8F8F2 } /* Escape */
:root[data-theme="dark"] .highlight .g { color: #F8F8F2 } /* Generic */
:root[data-theme="dark"] .highlight .k { color: #66D9EF } /* Keyword */
:root[data-theme="dark"] .highlight .l { color: #AE81FF } /* Literal */
:root[data-theme="dark"] .highlight .n { color: #F8F8F2 } /* Name */
:root[data-theme="dark"] .highlight .o { color: #FF4689 } /* Operator */
:root[data-theme="dark"] .highlight .x { color: #F8F8F2 } /* Other */
:root[data-theme="dark"] .highlight .p { color: #F8F8F2 } /* Punctuation */
:root[data-theme="dark"] .highlight .ch { color: #959077 } /* Comment.Hashbang */
:root[data-theme="dark"] .highlight .cm { color: #959077 } /* Comment.Multiline */
:root[data-theme="dark"] .highlight .cp { color: #959077 } /* Comment.Preproc */
:root[data-theme="dark"] .highlight .cpf { color: #959077 } /* Comment.PreprocFile */
:root[data-theme="dark"] .highlight .c1 { color: #959077 } /* Comment.Single */
:root[data-theme="dark"] .highlight .cs { color: #959077 } /* Comment.Special */
:root[data-theme="dark"] .highlight .gd { color: #FF4689 } /* Generic.Deleted */
:root[data-theme="dark"] .highlight .ge { color: #F8F8F2; font-style: italic } /* Generic.Emph */
:root[data-theme="dark"] .highlight .ges { color: #F8F8F2; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
:root[data-theme="dark"] .highlight .gr { color: #F8F8F2 } /* Generic.Error */
:root[data-theme="dark"] .highlight .gh { color: #F8F8F2 } /* Generic.Heading */
:root[data-theme="dark"] .highlight .gi { color: #A6E22E } /* Generic.Inserted */
:root[data-theme="dark"] .highlight .go { color: #66D9EF } /* Generic.Output */
:root[data-theme="dark"] .highlight .gp { color: #FF4689; font-weight: bold } /* Generic.Prompt */
:root[data-theme="dark"] .highlight .gs { color: #F8F8F2; font-weight: bold } /* Generic.Strong */
:root[data-theme="dark"] .highlight .gu { color: #959077 } /* Generic.Subheading */
:root[data-theme="dark"] .highlight .gt { color: #F8F8F2 } /* Generic.Traceback */
:root[data-theme="dark"] .highlight .kc { color: #66D9EF } /* Keyword.Constant */
:root[data-theme="dark"] .highlight .kd { color: #66D9EF } /* Keyword.Declaration */
:root[data-theme="dark"] .highlight .kn { color: #FF4689 } /* Keyword.Namespace */
:root[data-theme="dark"] .highlight .kp { color: #66D9EF } /* Keyword.Pseudo */
:root[data-theme="dark"] .highlight .kr { color: #66D9EF } /* Keyword.Reserved */
:root[data-theme="dark"] .highlight .kt { color: #66D9EF } /* Keyword.Type */
:root[data-theme="dark"] .highlight .ld { color: #E6DB74 } /* Literal.Date */
:root[data-theme="dark"] .highlight .m { color: #AE81FF } /* Literal.Number */
:root[data-theme="dark"] .highlight .s { color: #E6DB74 } /* Literal.String */
:root[data-theme="dark"] .highlight .na { color: #A6E22E } /* Name.Attribute */
:root[data-theme="dark"] .highlight .nb { color: #F8F8F2 } /* Name.Builtin */
:root[data-theme="dark"] .highlight .nc { color: #A6E22E } /* Name.Class */
:root[data-theme="dark"] .highlight .no { color: #66D9EF } /* Name.Constant */
:root[data-theme="dark"] .highlight .nd { color: #A6E22E } /* Name.Decorator */
:root[data-theme="dark"] .highlight .ni { color: #F8F8F2 } /* Name.Entity */
:root[data-theme="dark"] .highlight .ne { color: #A6E22E } /* Name.Exception */
:root[data-theme="dark"] .highlight .nf { color: #A6E22E } /* Name.Function */
:root[data-theme="dark"] .highlight .nl { color: #F8F8F2 } /* Name.Label */
:root[data-theme="dark"] .highlight .nn { color: #F8F8F2 } /* Name.Namespace */
:root[data-theme="dark"] .highlight .nx { color: #A6E22E } /* Name.Other */
:root[data-theme="dark"] .highlight .py { color: #F8F8F2 } /* Name.Property */
:root[data-theme="dark"] .highlight .nt { color: #FF4689 } /* Name.Tag */
:root[data-theme="dark"] .highlight .nv { color: #F8F8F2 } /* Name.Variable */
:root[data-theme="dark"] .highlight .ow { color: #FF4689 } /* Operator.Word */
:root[data-theme="dark"] .highlight .pm { color: #F8F8F2 } /* Punctuation.Marker */
:root[data-theme="dark"] .highlight .w { color: #F8F8F2 } /* Text.Whitespace */
:root[data-theme="dark"] .highlight .mb { color: #AE81FF } /* Literal.Number.Bin */
:root[data-theme="dark"] .highlight .mf { color: #AE81FF } /* Literal.Number.Float */
:root[data-theme="dark"] .highlight .mh { color: #AE81FF } /* Literal.Number.Hex */
:root[data-theme="dark"] .highlight .mi { color: #AE81FF } /* Literal.Number.Integer */
:root[data-theme="dark"] .highlight .mo { color: #AE81FF } /* Literal.Number.Oct */
:root[data-theme="dark"] .highlight .sa { color: #E6DB74 } /* Literal.String.Affix */
:root[data-theme="dark"] .highlight .sb { color: #E6DB74 } /* Literal.String.Backtick */
:root[data-theme="dark"] .highlight .sc { color: #E6DB74 } /* Literal.String.Char */
:root[data-theme="dark"] .highlight .dl { color: #E6DB74 } /* Literal.String.Delimiter */
:root[data-theme="dark"] .highlight .sd { color: #E6DB74 } /* Literal.String.Doc */
:root[data-theme="dark"] .highlight .s2 { color: #E6DB74 } /* Literal.String.Double */
:root[data-theme="dark"] .highlight .se { color: #AE81FF } /* Literal.String.Escape */
:root[data-theme="dark"] .highlight .sh { color: #E6DB74 } /* Literal.String.Heredoc */
:root[data-theme="dark"] .highlight .si { color: #E6DB74 } /* Literal.String.Interpol */
:root[data-theme="dark"] .highlight .sx { color: #E6DB74 } /* Literal.String.Other */
:root[data-theme="dark"] .highlight .sr { color: #E6DB74 } /* Literal.String.Regex */
:root[data-theme="dark"] .highlight .s1 { color: #E6DB74 } /* Literal.String.Single */
:root[data-theme="dark"] .highlight .ss { color: #E6DB74 } /* Literal.String.Symbol */
:root[data-theme="dark"] .highlight .bp { color: #F8F8F2 } /* Name.Builtin.Pseudo */
:root[data-theme="dark"] .highlight .fm { color: #A6E22E } /* Name.Function.Magic */
:root[data-theme="dark"] .highlight .vc { color: #F8F8F2 } /* Name.Variable.Class */
:root[data-theme="dark"] .highlight .vg { color: #F8F8F2 } /* Name.Variable.Global */
:root[data-theme="dark"] .highlight .vi { color: #F8F8F2 } /* Name.Variable.Instance */
:root[data-theme="dark"] .highlight .vm { color: #F8F8F2 } /* Name.Variable.Magic */
:root[data-theme="dark"] .highlight .il { color: #AE81FF } /* Literal.Number.Integer.Long */