/* faiman.com /writing/ — shares the site's tokens & type; adds article + figure styles */
:root{
  --bg:#f6f5f1; --bg-panel:#efece4; --ink:#16171a; --ink-soft:#3a3c42;
  --muted:#7c7e86; --line:#dedbd0; --line-soft:#e8e5db;
  --accent:oklch(0.58 0.13 155); --accent-ink:oklch(0.44 0.11 155);
  --sans:"Inter Tight",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0e0f11; --bg-panel:#16181c; --ink:#f3f2ed; --ink-soft:#c9cad0;
    --muted:#8b8e98; --line:#26282e; --line-soft:#1d1f24;
    --accent:oklch(0.72 0.14 155); --accent-ink:oklch(0.78 0.13 155);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent-ink);text-decoration:none}
a:hover{color:var(--ink)}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px;border-radius:4px}
.wrap{max-width:1140px;margin:0 auto;padding:0 40px}
@media (max-width:680px){.wrap{padding:0 22px}}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;
  background:color-mix(in oklab,var(--bg) 82%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.mark{font-weight:700;letter-spacing:-.01em;font-size:15px;color:var(--ink)}
.mark span{color:var(--muted);font-weight:500}
.back{font-family:var(--mono);font-size:12px;letter-spacing:.02em;color:var(--muted)}
.back:hover{color:var(--ink)}

/* article */
.article{max-width:768px;margin:0 auto;padding:60px 0 32px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--accent-ink);
  margin:0 0 20px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.article h1{font-size:clamp(34px,5.4vw,56px);line-height:1.02;letter-spacing:-.03em;
  font-weight:600;margin:0 0 20px;max-width:18ch;text-wrap:balance}
.dek{font-size:clamp(18px,2vw,21px);line-height:1.5;color:var(--ink-soft);max-width:58ch;margin:0 0 24px;text-wrap:pretty}
.metachips{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 8px}
.chip{display:inline-flex;align-items:center;padding:6px 13px;border:1px solid var(--line);
  border-radius:999px;background:var(--bg-panel);font-family:var(--mono);font-size:12px;color:var(--muted)}
.chip.on{color:var(--accent-ink);border-color:color-mix(in oklab,var(--accent) 45%,var(--line))}

.article-body{max-width:720px;margin:0 auto}
.lead{font-size:19px;line-height:1.6;color:var(--ink);margin:40px 0 8px;font-weight:500;letter-spacing:-.01em}
.article-body h2{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-ink);margin:52px 0 6px;font-weight:500}
.article-body h3{font-size:21px;font-weight:600;letter-spacing:-.015em;margin:30px 0 2px}
.article-body p{font-size:16.5px;line-height:1.72;color:var(--ink-soft);margin:12px 0;max-width:66ch}
.article-body strong{color:var(--ink);font-weight:600}
.article-body em{font-style:italic}
.mono{font-family:var(--mono)}
.win{font-family:var(--mono);font-weight:500;color:var(--accent-ink)}
code{font-family:var(--mono);font-size:.9em;background:var(--bg-panel);border:1px solid var(--line-soft);
  border-radius:5px;padding:1px 6px;color:var(--ink)}

/* figure: the dark diagram panel */
figure{margin:34px 0 10px;position:relative}
.diagram{background:#0f1419;border:1px solid var(--line);border-radius:14px;padding:14px 12px;
  overflow-x:auto;box-shadow:0 24px 60px -34px rgba(0,0,0,.5);cursor:zoom-in}
.diagram img{display:block;width:100%;min-width:640px;height:auto}
.diagram:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px;border-radius:14px}
figcaption{font-size:13.5px;line-height:1.55;color:var(--muted);margin:14px auto 0;max-width:62ch;text-align:center}

/* "click to enlarge" affordance badge (JS-injected onto the figure) */
.lb-badge{position:absolute;top:12px;right:12px;pointer-events:none;z-index:2;
  font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:rgba(230,237,243,.8);
  background:rgba(15,20,25,.72);border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:4px 10px;backdrop-filter:blur(4px)}

/* lightbox overlay */
.lightbox{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:3vh 3vw;background:rgba(8,10,14,.9);opacity:0;transition:opacity .2s ease;cursor:zoom-out}
.lightbox.open{opacity:1}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96vw;max-height:90vh;width:auto;height:auto;border-radius:12px;
  border:1px solid #2c3a4f;box-shadow:0 30px 90px -24px rgba(0,0,0,.85);background:#0f1419}
.lb-close{position:fixed;top:16px;right:20px;width:40px;height:40px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(20,24,30,.72);color:#e6edf3;
  font-size:22px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-close:hover{background:rgba(44,50,60,.92)}
.lb-hint{position:fixed;bottom:16px;left:0;right:0;text-align:center;pointer-events:none;
  font-family:var(--mono);font-size:12px;color:rgba(230,237,243,.6)}

.foot{margin-top:56px;padding-top:20px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.foot a{color:var(--accent-ink)}
.foot .kick{color:var(--ink)}

@media (max-width:680px){
  .article{padding:40px 0 24px}
  .diagram{padding:8px}
}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important}}