/* ============================================================
   blog.abellana.work — theme
   Palette + chrome lifted verbatim from abellana.work so the
   blog reads as the same property, then extended for long-form
   articles, "Why:" callouts, terminal panels and series nav.
   ============================================================ */
:root{
  --bg:#0b1020; --panel:#11182e; --ink:#e8edf7; --muted:#9fb0cc;
  --accent:#62e3c8; --accent2:#7aa2ff; --line:#22304f; --faint:#6f80a0;
  --max:760px;          /* narrower than the marketing site — reading measure */
  --wide:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;
  background:radial-gradient(1200px 600px at 75% -10%,#15214a 0,transparent 60%),var(--bg);
  color:var(--ink);
  font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.wrap.wide{max-width:var(--wide)}

/* ---- header (sticky, blurred — matches main site) ---- */
header.site{position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);
  background:rgba(11,16,32,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;
  max-width:var(--wide);margin:0 auto;padding:0 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px;color:var(--ink)}
.brand:hover{text-decoration:none}
.logo{width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;place-items:center;color:#06121f;font-family:Georgia,serif;font-weight:700}
.nav nav a{color:var(--muted);margin-left:22px;font-size:14px}
.nav nav a:hover{color:var(--ink);text-decoration:none}

/* ---- footer ---- */
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:14px;
  padding:30px 0 50px;margin-top:70px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  max-width:var(--wide);margin:0 auto;padding:0 22px}
footer.site a{color:var(--muted)}

/* ---- index / listing ---- */
.page-head{padding:56px 0 14px}
.page-head h1{font-size:clamp(30px,5vw,46px);line-height:1.08;margin:0 0 10px;letter-spacing:-.5px}
.page-head .grad{background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.page-head .lede{font-size:18px;color:var(--muted);max-width:640px}

.section-label{font-size:13px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--faint);margin:42px 0 14px;font-weight:700}

.post-card{display:block;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:22px 24px;margin:14px 0;transition:border-color .15s,transform .15s}
.post-card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.post-card .meta{font-size:13px;color:var(--faint);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.post-card h3{margin:8px 0 6px;font-size:21px;color:var(--ink);letter-spacing:-.2px}
.post-card p{margin:0;color:var(--muted);font-size:15px}

.series-block{border:1px solid var(--line);border-radius:18px;padding:6px 24px 8px;
  margin:16px 0;background:linear-gradient(135deg,#10203a,#0c1430)}
.series-block > h3{font-size:18px;margin:18px 0 2px}
.series-block > .sdesc{color:var(--muted);font-size:14px;margin:0 0 6px}
.series-list{list-style:none;margin:10px 0 14px;padding:0}
.series-list li{display:flex;gap:12px;align-items:baseline;padding:9px 0;border-top:1px solid var(--line)}
.series-list li .pn{flex:0 0 26px;height:26px;border-radius:8px;background:#0e1730;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--accent);font-weight:700;font-size:13px}
.series-list li a{font-size:16px}
.series-list li .date{margin-left:auto;color:var(--faint);font-size:13px;white-space:nowrap}

.chip{display:inline-block;font-size:12px;color:var(--accent);border:1px solid var(--line);
  padding:3px 10px;border-radius:999px;background:var(--panel)}
.chip.plain{color:var(--muted)}

/* ---- article ---- */
article.post{padding:46px 0 10px}
.post-meta{font-size:14px;color:var(--faint);display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
article.post h1{font-size:clamp(30px,4.6vw,44px);line-height:1.12;margin:6px 0 14px;letter-spacing:-.5px}
.post-desc{font-size:19px;color:var(--muted);margin:0 0 8px;max-width:640px}

.series-banner{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#10203a,#0c1430);
  border:1px solid var(--accent);border-radius:14px;padding:14px 18px;margin:22px 0 8px}
.series-banner .arc{font-size:13px;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.series-banner .pname{color:var(--ink);font-weight:700}
.series-banner .prog{margin-left:auto;color:var(--muted);font-size:14px;white-space:nowrap}

.post-body{font-size:17px;line-height:1.75}
.post-body h2{font-size:27px;margin:42px 0 12px;letter-spacing:-.3px;padding-top:6px}
.post-body h3{font-size:20px;margin:30px 0 8px}
.post-body h2 a.headerlink,.post-body h3 a.headerlink{color:var(--faint);font-size:.7em;margin-left:8px;opacity:0;text-decoration:none}
.post-body h2:hover a.headerlink,.post-body h3:hover a.headerlink{opacity:1}
.post-body p{margin:14px 0}
.post-body ul,.post-body ol{padding-left:22px}
.post-body li{margin:6px 0}
.post-body img{max-width:100%;border-radius:12px;border:1px solid var(--line)}
.post-body blockquote{margin:18px 0;padding:6px 18px;border-left:3px solid var(--accent2);
  color:var(--muted);background:rgba(122,162,255,.06);border-radius:0 10px 10px 0}
.post-body strong{color:var(--ink)}
.post-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* tables */
.post-body table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15px;
  display:block;overflow-x:auto}
.post-body th,.post-body td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.post-body thead th{background:var(--panel);color:var(--ink)}
.post-body tbody tr:nth-child(even){background:rgba(255,255,255,.02)}

/* inline code */
.post-body code{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  font-size:.88em;background:#0e1730;border:1px solid var(--line);
  padding:.12em .4em;border-radius:6px;color:var(--accent)}

/* code / terminal panels (Pygments .codehilite, plus bare <pre>) */
.post-body pre,.post-body .codehilite{background:#0a1124;border:1px solid var(--line);
  border-radius:12px;padding:16px 18px;overflow-x:auto;margin:18px 0;line-height:1.55;
  font-size:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.02)}
.post-body pre code,.post-body .codehilite code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.post-body .codehilite pre{margin:0;padding:0;border:0;background:none;box-shadow:none}
/* terminal chrome: a fenced ```console / ```terminal block */
.post-body .codehilite.term,.post-body pre.term{position:relative;padding-top:36px;
  border-top:1px solid var(--line)}
.post-body .codehilite.term::before,.post-body pre.term::before{
  content:"\25CF \25CF \25CF";position:absolute;top:11px;left:16px;
  letter-spacing:5px;font-size:11px;color:#39466b;line-height:1}
.codeblock-cap{font-family:ui-monospace,monospace;font-size:12px;color:var(--faint);
  background:var(--panel);border:1px solid var(--line);border-bottom:0;
  border-radius:10px 10px 0 0;padding:6px 14px;margin:18px 0 -18px;display:inline-block}

/* "Why:" callout boxes (admonition) — the signature element */
.post-body .admonition{background:linear-gradient(135deg,#10203a,#0c1430);
  border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:12px;padding:4px 18px 14px;margin:20px 0}
.post-body .admonition-title{font-weight:800;color:var(--accent);margin:14px 0 4px;
  font-size:14px;text-transform:uppercase;letter-spacing:.08em}
.post-body .admonition.why{border-left-color:var(--accent)}
.post-body .admonition.note{border-left-color:var(--accent2)}
.post-body .admonition.note .admonition-title{color:var(--accent2)}
.post-body .admonition.warning{border-left-color:#ffb454}
.post-body .admonition.warning .admonition-title{color:#ffb454}
.post-body .admonition p{margin:6px 0}

/* table of contents */
.toc{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px 20px;margin:24px 0;font-size:15px}
.toc .toctitle{font-weight:700;color:var(--ink);margin-bottom:4px;font-size:14px;
  text-transform:uppercase;letter-spacing:.08em;color:var(--faint)}
.toc ul{list-style:none;padding-left:0;margin:6px 0}
.toc ul ul{padding-left:16px}
.toc li{margin:3px 0}
.toc a{color:var(--muted)}
.toc a:hover{color:var(--ink)}

/* footnotes */
.footnote{font-size:14px;color:var(--muted)}
.footnote-ref{font-size:.75em;vertical-align:super}

/* prev / next within a series */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:48px 0 0}
.prevnext a{display:block;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:16px 18px}
.prevnext a:hover{border-color:var(--accent);text-decoration:none}
.prevnext .dir{font-size:12px;color:var(--faint);text-transform:uppercase;letter-spacing:.1em}
.prevnext .t{color:var(--ink);font-weight:700;margin-top:4px;font-size:15px}
.prevnext .next{text-align:right}

.post-tags{margin:34px 0 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}

@media(max-width:680px){
  .prevnext{grid-template-columns:1fr}
  .nav nav a{margin-left:14px}
}