/* ==========================================================================
   blog.stancs.com — styled to match stancs.com.

   Same tokens as the main site: near-black ground, off-white text, thin gray
   hairlines, and a SINGLE soft-blue accent on links and markers. System UI
   font throughout — no web fonts. Monospace appears only where it is
   functional (code, tabular figures), never as a decorative label face.
   ========================================================================== */

:root {
  --bg:#0a0a0b;
  --card:#101013;          /* entry cards, code backgrounds */
  --line:#232327;
  --line-2:#2e2e34;
  --ink:#f4f4f5;           /* headings */
  --ink-body:#d4d4d8;      /* long-form prose — softer than headings, still readable */
  --ink-soft:#a1a1aa;
  --ink-dim:#71717a;       /* labels, meta */
  --accent:#5b9dff;
  --accent-hover:#79afff;
  --sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
         "Helvetica Neue", sans-serif;
  --mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing:border-box; }
html, body { min-height:100%; }
body {
  margin:0;
  background:
    radial-gradient(1100px 700px at 18% -10%, #15151b 0%, transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1, h2, h3 { margin:0; font-weight:650; letter-spacing:-0.02em; color:var(--ink); }
a { color:inherit; text-decoration:none; }
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:6px; }

/* The small uppercase label treatment the main site uses for section headers
   and meta lines — this replaces every mono label the blog used to have. */
.tagline, .entry-meta, .chip, .piece-meta, .piece-tags span, .colophon p {
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-dim);
}

/* ---------- the log (index) ----------------------------------------------- */

body.log { font-size:15px; line-height:1.6; }

.masthead {
  max-width:46rem;
  margin:0 auto;
  padding:clamp(3rem, 8vw, 5rem) 1.5rem clamp(2rem, 4vw, 3rem);
}
.masthead h1 {
  font-size:clamp(1.9rem, 5vw, 2.6rem);
  line-height:1.1;
}
.tagline { margin:0.85rem 0 0; }
.intro {
  color:var(--ink-soft);
  font-size:1rem;
  max-width:52ch;
  margin:1.1rem 0 0;
}

.rail {
  max-width:46rem;
  margin:0 auto;
  padding:0 1.5rem 2rem;
  position:relative;
  border-top:1px solid var(--line);
  padding-top:clamp(1.6rem, 3vw, 2.4rem);
}
.rail::before {
  content:"";
  position:absolute;
  left:calc(1.5rem + 5px);
  top:clamp(1.6rem, 3vw, 2.4rem);
  bottom:0.5rem;
  width:1px;
  background:var(--line);
}

.entry {
  position:relative;
  margin:0 0 1.5rem;
  padding:1.3rem 1.5rem 1.2rem 2.3rem;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .15s;
}
.entry:hover { border-color:var(--line-2); }
.entry-node {
  /* Centred on the rail line: the line sits at 1.5rem + 5px from the rail's
     edge, the card starts at 1.5rem, so 0.5px + half the dot lands on it. */
  position:absolute;
  left:0.5px;
  top:1.65rem;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--accent);   /* flat marker — the main site has no glows */
}
.entry-meta { margin:0 0 0.45rem; }
.entry h2 {
  font-size:1.35rem;
  line-height:1.25;
  margin:0 0 0.5rem;
}
.entry h2 a { transition:color .15s; }
.entry h2 a:hover { color:var(--accent); }
.entry-summary { color:var(--ink-soft); margin:0 0 1rem; }
.entry-foot {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0.7rem 1.1rem;
  margin:0;
}
.chip {
  border:1px solid var(--line-2);
  border-radius:8px;
  padding:0.3rem 0.65rem;
  letter-spacing:0.08em;
}
.readmore {
  font-size:0.82rem;
  font-weight:500;
  color:var(--accent);
  transition:color .15s;
}
.readmore:hover { color:var(--accent-hover); }

/* ---------- the writeup (article) ----------------------------------------- */

body.paper { font-size:15px; line-height:1.6; }

.crumb {
  max-width:44rem;
  margin:0 auto;
  padding:2.25rem 1.5rem 0;
}
.crumb a {
  font-size:0.82rem;
  font-weight:500;
  color:var(--accent);
  transition:color .15s;
}
.crumb a:hover { color:var(--accent-hover); }

.piece {
  max-width:44rem;
  margin:0 auto;
  padding:2.25rem 1.5rem 3rem;
}
.piece-meta { margin:0 0 0.9rem; }
.piece h1 {
  font-size:clamp(1.8rem, 4.5vw, 2.5rem);
  line-height:1.12;
  margin:0 0 1rem;
}
.piece-tags {
  display:flex;
  flex-wrap:wrap;
  gap:0.45rem;
  margin:0 0 2rem;
}
.piece-tags span {
  border:1px solid var(--line-2);
  border-radius:8px;
  padding:0.28rem 0.6rem;
  letter-spacing:0.08em;
}

.prose {
  color:var(--ink-body);
  font-size:1.02rem;
  line-height:1.75;
}
.prose p { margin:0 0 1.3rem; }
.prose h2 {
  font-size:1.3rem;
  margin:2.4rem 0 0.85rem;
}
.prose h3 {
  font-size:1.08rem;
  margin:2rem 0 0.7rem;
}
.prose ul, .prose ol { padding-left:1.3rem; margin:0 0 1.3rem; }
.prose li { margin-bottom:0.5rem; }
.prose em { font-style:italic; }
.prose strong { font-weight:600; color:var(--ink); }
.prose a { color:var(--accent); }
.prose a:hover { color:var(--accent-hover); text-decoration:underline; }
.prose hr { border:none; border-top:1px solid var(--line); margin:2.2rem 0; }
.prose img, .prose video {
  max-width:100%;
  height:auto;
  display:block;
  border-radius:12px;
  border:1px solid var(--line);
  margin:0.5rem 0 1rem;
}
.prose img { background:var(--card); }
.prose video { background:#000; }
.prose code {
  font-family:var(--mono);
  font-size:0.88em;
  color:var(--ink);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:5px;
  padding:0.1em 0.35em;
}
.prose pre {
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  padding:0.9rem 1.1rem;
  overflow-x:auto;
  margin:0 0 1.3rem;
}
.prose pre code { border:none; background:none; padding:0; font-size:0.84rem; }
.prose blockquote {
  margin:1.6rem 0;
  padding:0.1rem 0 0.1rem 1.15rem;
  border-left:2px solid var(--accent);
  color:var(--ink);
}
.prose blockquote p { margin:0.4rem 0; }

/* ---------- prose: data tables -------------------------------------------- */

.prose .data {
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.6rem;
  font-size:0.85rem;
  line-height:1.5;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.prose .data th,
.prose .data td {
  padding:0.6rem 0.85rem;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.prose .data tr:last-child th,
.prose .data tr:last-child td { border-bottom:none; }
.prose .data th {
  font-size:0.68rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-dim);
  font-weight:600;
}
.prose .data .num {
  text-align:right;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.prose .data .ok  { color:#54d088; }
.prose .data .bad { color:#ff8080; }
.prose .data .sub { color:var(--ink-dim); font-size:0.92em; }

/* ---------- colophon ------------------------------------------------------ */

.colophon {
  max-width:46rem;
  margin:0 auto;
  padding:1.9rem 1.5rem 3.5rem;
  border-top:1px solid var(--line);
}
body.paper .colophon { max-width:44rem; }
.colophon p { margin:0; letter-spacing:0.08em; }
.colophon a { color:var(--accent); transition:color .15s; }
.colophon a:hover { color:var(--accent-hover); }

/* ---------- responsive ---------------------------------------------------- */

@media (max-width:640px) {
  .masthead { padding-top:3rem; }
  .rail::before { display:none; }
  .entry { padding-left:1.4rem; }
  .entry-node { display:none; }
  .prose .data { display:block; overflow-x:auto; font-size:0.78rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition:none !important; }
}