:root {
  --bg: #0e1116;
  --bg-soft: #161b22;
  --bg-card: #1a2029;
  --border: #262d38;
  --text: #e9eef4;
  --text-dim: #b3bdc8;
  --accent: #f0883e;
  --accent-2: #58a6ff;
  --code-bg: #0b0f14;
  --max: 860px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #ffffff; --bg-soft: #f3f5f8; --bg-card: #ffffff; --border: #d0d7de;
    --text: #14181d; --text-dim: #4a545f; --code-bg: #f3f5f8; --accent: #a8430a; --accent-2: #0860ca;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); line-height: 1.7; font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border); background: var(--bg-soft);
  position: sticky; top: 0; z-index: 10; backdrop-filter: blur(8px);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #d9480f); color: #fff; font-weight: 800; font-size: 15px;
}
.brand small { display: block; font-weight: 400; font-size: 12px; color: var(--text-dim); }
nav.main a { color: var(--text-dim); margin-left: 22px; font-size: 15px; font-weight: 500; }
nav.main a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 72px 0 48px; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 42px; line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--accent); }
.hero p.lead { font-size: 20px; color: var(--text-dim); margin: 0 0 28px; max-width: 640px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge { font-size: 13px; color: var(--text-dim); background: var(--bg-card); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }

/* Sections */
section.block { padding: 48px 0; }
h2.section-title { font-size: 15px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin: 0 0 24px; }

/* Article cards */
.cards { display: grid; gap: 16px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 21px; line-height: 1.3; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent); text-decoration: none; }
.card .meta { font-size: 13px; color: var(--text-dim); margin-bottom: 10px; }
.card p { margin: 0; color: var(--text-dim); font-size: 15px; }
.card .tags { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 12px; color: var(--accent); background: rgba(240,136,62,.1); padding: 3px 10px; border-radius: 6px; }

/* Article page */
article.post { padding: 48px 0 64px; }
article.post .post-head { margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
article.post h1 { font-size: 36px; line-height: 1.2; margin: 0 0 14px; letter-spacing: -0.02em; }
article.post .meta { color: var(--text-dim); font-size: 14px; }
article.post h2 { font-size: 26px; margin: 40px 0 14px; letter-spacing: -0.01em; }
article.post h3 { font-size: 20px; margin: 30px 0 10px; }
article.post p, article.post li { color: var(--text); }
article.post ul, article.post ol { padding-left: 24px; }
article.post li { margin: 6px 0; }
article.post img { max-width: 100%; border-radius: 8px; }
article.post blockquote {
  margin: 20px 0; padding: 4px 20px; border-left: 3px solid var(--accent); color: var(--text-dim); background: var(--bg-soft);
  border-radius: 0 8px 8px 0;
}
/* Kod zawsze na ciemnym tle (spójne w obu motywach) */
code { font-family: var(--mono); font-size: .88em; background: rgba(127,127,127,.18); color: var(--text); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border); }
pre { background: #0d1117; color: #e6edf3; border: 1px solid #30363d; border-radius: 10px; padding: 16px 18px; overflow-x: auto; line-height: 1.5; }
pre code { background: none !important; border: none; padding: 0; font-size: 14px; color: inherit; }
.codehilite { position: relative; margin: 20px 0; background: #0d1117; border: 1px solid #30363d; border-radius: 10px; }
.codehilite pre { margin: 0; background: transparent; border: none; }
table { border-collapse: collapse; width: 100%; margin: 20px 0; font-size: 15px; }
th, td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
th { background: var(--bg-soft); }
hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* Przycisk kopiowania kodu */
.copy-btn {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  background: rgba(255,255,255,.09); color: #c9d1d9;
  border: 1px solid rgba(255,255,255,.16); border-radius: 6px;
  padding: 4px 11px; font-size: 12.5px; font-family: var(--font); font-weight: 500;
  cursor: pointer; opacity: 0; transition: opacity .15s, background .15s, color .15s;
}
.codehilite:hover .copy-btn, pre:hover .copy-btn, .copy-btn:focus { opacity: 1; }
.copy-btn:hover { background: rgba(255,255,255,.18); color: #fff; }
.copy-btn.copied { background: #238636; color: #fff; border-color: #238636; opacity: 1; }
@media (hover: none) { .copy-btn { opacity: .85; } }

.callout { background: var(--bg-soft); border: 1px solid var(--border); border-left: 3px solid var(--accent-2); border-radius: 0 8px 8px 0; padding: 14px 18px; margin: 20px 0; }
.callout strong { color: var(--accent-2); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 40px 0; margin-top: 40px; color: var(--text-dim); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer a { color: var(--text-dim); }

.back { display: inline-block; margin-bottom: 24px; color: var(--text-dim); font-size: 14px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 18px; }
  nav.main a { margin-left: 14px; font-size: 14px; }
  .brand small { display: none; }
  body { font-size: 16px; }
}

/* pygments */
.codehilite { background:#0b0f14; }
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; }
.codehilite .hll { background-color: #49483e }
.codehilite { background: #272822; color: #f8f8f2 }
.codehilite .c { color: #959077 } /* Comment */
.codehilite .err { color: #ed007e; background-color: #1e0010 } /* Error */
.codehilite .esc { color: #f8f8f2 } /* Escape */
.codehilite .g { color: #f8f8f2 } /* Generic */
.codehilite .k { color: #66d9ef } /* Keyword */
.codehilite .l { color: #ae81ff } /* Literal */
.codehilite .n { color: #f8f8f2 } /* Name */
.codehilite .o { color: #ff4689 } /* Operator */
.codehilite .x { color: #f8f8f2 } /* Other */
.codehilite .p { color: #f8f8f2 } /* Punctuation */
.codehilite .ch { color: #959077 } /* Comment.Hashbang */
.codehilite .cm { color: #959077 } /* Comment.Multiline */
.codehilite .cp { color: #959077 } /* Comment.Preproc */
.codehilite .cpf { color: #959077 } /* Comment.PreprocFile */
.codehilite .c1 { color: #959077 } /* Comment.Single */
.codehilite .cs { color: #959077 } /* Comment.Special */
.codehilite .gd { color: #ff4689 } /* Generic.Deleted */
.codehilite .ge { color: #f8f8f2; font-style: italic } /* Generic.Emph */
.codehilite .ges { color: #f8f8f2; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.codehilite .gr { color: #f8f8f2 } /* Generic.Error */
.codehilite .gh { color: #f8f8f2 } /* Generic.Heading */
.codehilite .gi { color: #a6e22e } /* Generic.Inserted */
.codehilite .go { color: #66d9ef } /* Generic.Output */
.codehilite .gp { color: #ff4689; font-weight: bold } /* Generic.Prompt */
.codehilite .gs { color: #f8f8f2; font-weight: bold } /* Generic.Strong */
.codehilite .gu { color: #959077 } /* Generic.Subheading */
.codehilite .gt { color: #f8f8f2 } /* Generic.Traceback */
.codehilite .kc { color: #66d9ef } /* Keyword.Constant */
.codehilite .kd { color: #66d9ef } /* Keyword.Declaration */
.codehilite .kn { color: #ff4689 } /* Keyword.Namespace */
.codehilite .kp { color: #66d9ef } /* Keyword.Pseudo */
.codehilite .kr { color: #66d9ef } /* Keyword.Reserved */
.codehilite .kt { color: #66d9ef } /* Keyword.Type */
.codehilite .ld { color: #e6db74 } /* Literal.Date */
.codehilite .m { color: #ae81ff } /* Literal.Number */
.codehilite .s { color: #e6db74 } /* Literal.String */
.codehilite .na { color: #a6e22e } /* Name.Attribute */
.codehilite .nb { color: #f8f8f2 } /* Name.Builtin */
.codehilite .nc { color: #a6e22e } /* Name.Class */
.codehilite .no { color: #66d9ef } /* Name.Constant */
.codehilite .nd { color: #a6e22e } /* Name.Decorator */
.codehilite .ni { color: #f8f8f2 } /* Name.Entity */
.codehilite .ne { color: #a6e22e } /* Name.Exception */
.codehilite .nf { color: #a6e22e } /* Name.Function */
.codehilite .nl { color: #f8f8f2 } /* Name.Label */
.codehilite .nn { color: #f8f8f2 } /* Name.Namespace */
.codehilite .nx { color: #a6e22e } /* Name.Other */
.codehilite .py { color: #f8f8f2 } /* Name.Property */
.codehilite .nt { color: #ff4689 } /* Name.Tag */
.codehilite .nv { color: #f8f8f2 } /* Name.Variable */
.codehilite .ow { color: #ff4689 } /* Operator.Word */
.codehilite .pm { color: #f8f8f2 } /* Punctuation.Marker */
.codehilite .w { color: #f8f8f2 } /* Text.Whitespace */
.codehilite .mb { color: #ae81ff } /* Literal.Number.Bin */
.codehilite .mf { color: #ae81ff } /* Literal.Number.Float */
.codehilite .mh { color: #ae81ff } /* Literal.Number.Hex */
.codehilite .mi { color: #ae81ff } /* Literal.Number.Integer */
.codehilite .mo { color: #ae81ff } /* Literal.Number.Oct */
.codehilite .sa { color: #e6db74 } /* Literal.String.Affix */
.codehilite .sb { color: #e6db74 } /* Literal.String.Backtick */
.codehilite .sc { color: #e6db74 } /* Literal.String.Char */
.codehilite .dl { color: #e6db74 } /* Literal.String.Delimiter */
.codehilite .sd { color: #e6db74 } /* Literal.String.Doc */
.codehilite .s2 { color: #e6db74 } /* Literal.String.Double */
.codehilite .se { color: #ae81ff } /* Literal.String.Escape */
.codehilite .sh { color: #e6db74 } /* Literal.String.Heredoc */
.codehilite .si { color: #e6db74 } /* Literal.String.Interpol */
.codehilite .sx { color: #e6db74 } /* Literal.String.Other */
.codehilite .sr { color: #e6db74 } /* Literal.String.Regex */
.codehilite .s1 { color: #e6db74 } /* Literal.String.Single */
.codehilite .ss { color: #e6db74 } /* Literal.String.Symbol */
.codehilite .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
.codehilite .fm { color: #a6e22e } /* Name.Function.Magic */
.codehilite .vc { color: #f8f8f2 } /* Name.Variable.Class */
.codehilite .vg { color: #f8f8f2 } /* Name.Variable.Global */
.codehilite .vi { color: #f8f8f2 } /* Name.Variable.Instance */
.codehilite .vm { color: #f8f8f2 } /* Name.Variable.Magic */
.codehilite .il { color: #ae81ff } /* Literal.Number.Integer.Long */