/* Blog styles — extends ../style.css */
body.blog{min-height:100vh}
.blog main{padding-top:110px}
.blog .bg-fallback{background:radial-gradient(60% 40% at 80% 0%,rgba(10,132,255,.25),transparent 70%),radial-gradient(50% 40% at 0% 60%,rgba(191,90,242,.18),transparent 70%)}
.blog-wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.back{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--blue);margin-bottom:26px}
.back:hover{text-decoration:underline}
.post-head{max-width:820px;margin-bottom:34px;animation:rise .8s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.post-head h1{font-size:clamp(32px,5.2vw,54px);line-height:1.08;letter-spacing:-.035em;font-weight:800;margin:10px 0 16px}
.post-head .dek{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:720px}
.meta{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:20px;font-size:14px;color:var(--muted)}
.meta span{display:inline-flex;align-items:center;gap:6px}
.meta .chips span{font-size:12px}
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:48px;align-items:start}
.prose{min-width:0;max-width:760px;font-size:17.5px;line-height:1.75}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(25px,3.2vw,34px);line-height:1.15;letter-spacing:-.03em;font-weight:800;margin:2.1em 0 .6em;scroll-margin-top:100px}
.prose h3{font-size:20px;margin:1.6em 0 .3em;scroll-margin-top:100px}
.prose p,.prose li{color:var(--text);opacity:.88}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em}
.prose ul{list-style:disc}.prose ol{list-style:decimal}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--blue)}
.prose code{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;font-size:.86em;padding:.12em .42em;border-radius:7px;background:var(--chip);border:1px solid var(--border);overflow-wrap:anywhere}
.prose pre code{padding:0;border:0;background:none;font-size:inherit;overflow-wrap:normal}
.note{padding:16px 18px;border-radius:16px;border:1px solid var(--border);border-left:4px solid var(--blue);background:var(--card);font-size:16px}
.note strong:first-child{color:var(--blue)}
.note.warn{border-left-color:#ff9f0a}.note.warn strong:first-child{color:#ff9f0a}
/* TOC */
.toc{position:sticky;top:96px;padding:18px 18px 14px;font-size:14px}
.toc h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc ol{display:grid;gap:2px}
.toc a{display:block;padding:6px 10px;border-radius:10px;color:var(--muted);line-height:1.35;transition:background .2s,color .2s}
.toc a:hover{background:var(--chip);color:var(--text)}
.toc a.active{background:var(--chip);color:var(--text);box-shadow:inset 3px 0 0 var(--blue)}
.toc-inline{display:none}
/* code */
.codeblock{position:relative;border-radius:16px;overflow:hidden;background:#0d1117;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
.codeblock .bar{display:flex;justify-content:space-between;align-items:center;padding:8px 12px 8px 16px;font-size:12px;color:#8b949e;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.07);font-family:var(--font)}
.codeblock .bar b{font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.copy{font:inherit;font-size:12px;color:#c9d1d9;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:4px 10px;cursor:pointer}
.copy:hover{background:rgba(255,255,255,.16)}
.codeblock pre{margin:0;padding:16px 18px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;font-size:13.5px;line-height:1.65;color:#e6edf3;tab-size:4;-webkit-overflow-scrolling:touch}
.t-kw{color:#ff7b72}.t-ty{color:#79c0ff}.t-str{color:#a5d6ff}.t-num{color:#d2a8ff}.t-com{color:#8b949e;font-style:italic}.t-fn{color:#d2a8ff}.t-at{color:#ffa657}.t-tag{color:#7ee787}.t-attr{color:#79c0ff}.t-pn{color:#c9d1d9}
/* tables */
.tablewrap{overflow-x:auto;border-radius:16px;border:1px solid var(--border);background:var(--card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.tablewrap table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.tablewrap th,.tablewrap td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--border);vertical-align:top}
.tablewrap th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tablewrap tr:last-child td{border-bottom:0}
/* diagrams */
figure.diagram{margin:1.6em 0;padding:18px 12px 10px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
figure.diagram svg{display:block;width:100%;max-width:560px;height:auto;margin:0 auto}
figure.diagram figcaption{margin-top:10px;font-size:14px;color:var(--muted);text-align:center}
.svg-box{fill:var(--card-solid);stroke:var(--blue);stroke-width:1.5}
.svg-txt{fill:var(--text);font:600 13px var(--font)}
.svg-sub{fill:var(--muted);font:500 12px var(--font)}
.svg-life{stroke:var(--border);stroke-width:1.5;stroke-dasharray:4 5}
.svg-arr{stroke:var(--blue);stroke-width:1.8;fill:none}
.svg-arr.alt{stroke:var(--purple)}
.svg-arr.dash{stroke-dasharray:5 4}
.svg-head{fill:var(--blue)}.svg-head.alt{fill:var(--purple)}
.flow{display:flex;flex-wrap:wrap;gap:10px;counter-reset:s;margin:1.4em 0 !important;padding:0 !important;list-style:none !important}
.flow li{counter-increment:s;position:relative;flex:1 1 150px;padding:14px 14px 14px 46px;border-radius:16px;background:var(--card);border:1px solid var(--border);font-size:14.5px;line-height:1.4;margin:0 !important;opacity:1 !important}
.flow li::before{content:counter(s);position:absolute;left:12px;top:13px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple))}
.flow li b{display:block;font-size:15px;margin-bottom:2px}
.flow li span{color:var(--muted)}
/* blog index / cards */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:10px}
.post-card{display:flex;flex-direction:column;padding:28px}
.post-card h3{font-size:clamp(21px,2.4vw,26px);line-height:1.2;letter-spacing:-.02em;margin:6px 0 10px}
.post-card p{flex:1}
.post-card .meta{margin:16px 0 14px}
.post-card .link{margin-top:0}
.post-card.stretch::before{content:"";position:absolute;inset:0;border-radius:inherit;z-index:1}
.post-card a.link::after{content:"";position:absolute;inset:0;z-index:2}
.blog-hero{max-width:760px;margin-bottom:36px}
.blog-hero h1{font-size:clamp(38px,6vw,64px);letter-spacing:-.04em;font-weight:800;line-height:1.05;margin:8px 0 14px}
.related{margin-top:3em}
.related h2{font-size:26px !important;margin:0 0 16px !important}
@media (max-width:1020px){
  .post-grid{grid-template-columns:1fr}
  .toc{display:none}
  .toc-inline{display:block;position:static;margin-bottom:8px}
  .toc-inline ol{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .blog main{padding-top:96px}
  .blog-wrap{padding:0 18px}
  .post-list{grid-template-columns:1fr}
  .prose{font-size:16.5px}
  .toc-inline ol{grid-template-columns:1fr}
  .codeblock pre{font-size:12.5px;padding:14px}
  .nav nav{display:none}
}
@media (prefers-reduced-motion:reduce){.post-head{animation:none}}