:root{
  --bg:#0d1117; --surface:#161b22; --surface2:#1c2129; --border:#30363d;
  --text:#e6edf3; --muted:#9198a1; --accent:#2f81f7; --accent2:#58a6ff;
  --green:#3fb950; --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
@media(prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#ffffff; --surface:#f6f8fa; --surface2:#eff2f5; --border:#d0d7de;
    --text:#1f2328; --muted:#57606a; --accent:#0969da; --accent2:#0550ae;
    --green:#1a7f37;
  }
}
:root[data-theme="light"]{
  --bg:#ffffff; --surface:#f6f8fa; --surface2:#eff2f5; --border:#d0d7de;
  --text:#1f2328; --muted:#57606a; --accent:#0969da; --accent2:#0550ae;
  --green:#1a7f37;
}
:root[data-theme="dark"]{
  --bg:#0d1117; --surface:#161b22; --surface2:#1c2129; --border:#30363d;
  --text:#e6edf3; --muted:#9198a1; --accent:#2f81f7; --accent2:#58a6ff;
  --green:#3fb950;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);
  font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
  transition:background-color .25s ease,color .25s ease}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
/* links inside prose must not rely on color alone (a11y, Lighthouse): they
   carry a subtle underline; nav/buttons/cards stay clean by design */
p a,.postbody a{text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;text-decoration-color:var(--accent)}
a.btn,a.pill,a.watch{ text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;background:var(--surface);padding:.6rem 1rem;z-index:99}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

header{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 88%,transparent);
  position:sticky;top:0;backdrop-filter:blur(8px);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px}
.brand:hover{text-decoration:none}
.nav nav{display:flex;gap:22px;font-size:14px;align-items:center}
.nav nav a{color:var(--muted)}
.nav nav a:hover{color:var(--text);text-decoration:none}
#theme{background:var(--surface);border:1px solid var(--border);color:var(--muted);width:34px;height:34px;
  border-radius:6px;cursor:pointer;font-size:15px;line-height:1;display:grid;place-items:center}
#theme:hover{border-color:var(--accent);color:var(--accent)}

.hero{padding:72px 0 60px;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--green);
  border:1px solid var(--border);background:var(--surface);border-radius:99px;padding:6px 14px;margin-bottom:26px}
h1{font-size:clamp(30px,5.5vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
h1 .grad{background:linear-gradient(92deg,var(--accent2),#a371f7);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{max-width:640px;margin:20px auto 0;color:var(--muted);font-size:clamp(16px,2vw,19px)}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:15px;
  border:1px solid var(--border)}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);border-color:var(--accent2)}
.btn-ghost{background:var(--surface);color:var(--text)}
.btn-ghost:hover{background:var(--surface2)}
.hero-show{margin-top:26px;min-height:1.7em}
.hs-dot{color:var(--green);margin-right:6px;font-size:12px;vertical-align:1px}
.hs-slide{display:none;font-family:var(--mono);font-size:13.5px;color:var(--muted)}
.hs-slide.on{display:inline}
.hs-slide:hover{color:var(--accent2);text-decoration:none}
.stats{display:flex;gap:36px;justify-content:center;flex-wrap:wrap;margin-top:44px;color:var(--muted);font-size:13.5px}
.stats b{display:block;color:var(--text);font-size:22px;font-family:var(--mono)}

section{padding:56px 0;border-top:1px solid var(--border)}
h2{font-size:clamp(22px,3.4vw,30px);letter-spacing:-.3px;margin-bottom:10px}
h1.pt{font-size:clamp(22px,3.4vw,30px);letter-spacing:-.3px;margin-bottom:10px}
.lede{color:var(--muted);max-width:640px;margin-bottom:30px}

.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:22px}
.card h3{font-size:16.5px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
.card .ico{font-size:20px;margin-bottom:12px;display:block}

.tools{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center;margin:0 0 22px}
#q{flex:1 1 18rem;height:44px;padding:0 .9rem;background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.95rem}
#q::placeholder{color:var(--muted)}
#q:focus{border-color:var(--accent);outline:none}
#count{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

#list{list-style:none;margin:0;padding:0 0 0 1.5rem;border-left:1px solid var(--border)}
#list li{position:relative;padding:1.15rem 0;border-bottom:1px solid var(--border)}
#list li:last-child{border-bottom:0}
#list li::before{content:"";position:absolute;left:calc(-1.5rem - 4px);top:1.75rem;
  width:7px;height:7px;border-radius:50%;background:var(--border)}
#list li:hover::before{background:var(--accent)}
.row{display:grid;grid-template-columns:1fr;gap:.3rem}
.row .date{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.row .name{font-size:1.1rem;font-weight:700;letter-spacing:-.02em}
.row .name:hover{color:var(--accent2);text-decoration:none}
.row .name .owner{color:var(--muted);font-weight:500}
.row .desc{color:var(--muted);font-size:.92rem;max-width:64ch}
.row .links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.2rem;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
.row .st{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
@media(min-width:760px){
  .row{grid-template-columns:8.5rem 1fr auto;column-gap:1.4rem;align-items:baseline}
  .row .date{grid-row:1;grid-column:1}
  .row .name{grid-row:1;grid-column:2}
  .row .st{grid-row:1;grid-column:3;text-align:right}
  .row .desc{grid-row:2;grid-column:2}
  .row .links{grid-row:3;grid-column:2}
}
.empty{color:var(--muted);padding:2rem 0}

.biglinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.biglink{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:20px;color:var(--text);transition:border-color .15s}
.biglink:hover{border-color:var(--accent);text-decoration:none}
.biglink svg{flex:none}
.biglink b{display:block;font-size:15.5px}
.biglink span{color:var(--muted);font-size:13.5px}

.art{max-width:760px}
.art p{margin-bottom:16px;color:color-mix(in srgb,var(--text) 85%,var(--muted))}
.art h3{font-size:18px;margin:26px 0 10px}
details{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--muted);font-size:20px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);font-size:14.5px;margin-top:10px}

.repovideo{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.transcripts{margin-top:36px;border-top:1px solid var(--border);padding-top:24px}
.transcripts h2{font-size:20px;margin:0 0 6px}
.transcript{color:var(--text);max-width:75ch;line-height:1.65;margin:0 0 16px}
.postbody h2{font-size:22px;margin:30px 0 10px}
.postbody p{margin:0 0 14px;color:color-mix(in srgb,var(--text) 88%,var(--muted))}
.postbody table{border-collapse:collapse;width:100%;font-size:.9rem;margin:6px 0 18px}
.postbody th{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);text-align:left;padding:.45rem .6rem .45rem 0;
  border-bottom:1px solid var(--border)}
.postbody td{padding:.5rem .6rem .5rem 0;border-bottom:1px solid var(--border);vertical-align:top}
.postbody tr:last-child td{border-bottom:0}
.postbody blockquote{border-left:3px solid var(--accent);margin:0 0 14px;padding:2px 0 2px 14px;
  color:var(--text)}
.postbody code{font-family:var(--mono);font-size:.88em;background:var(--surface);
  border:1px solid var(--border);border-radius:4px;padding:1px 5px}
.postbody pre{background:var(--surface);border:1px solid var(--border);border-radius:8px;
  padding:12px 14px;overflow-x:auto;margin:0 0 16px}
.postbody pre code{background:none;border:0;padding:0}
.postbody li{margin:0 0 6px;color:color-mix(in srgb,var(--text) 88%,var(--muted))}
.related{margin-top:36px;border-top:1px solid var(--border);padding-top:24px}
.related h2{font-size:20px;margin:0 0 6px}
.related ul{list-style:none;margin:0;padding:0}
.related li{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;
  padding:.5rem 0;border-bottom:1px solid var(--border)}
.related li:last-child{border-bottom:0}
.related a{font-family:var(--mono);font-size:.9rem}
.related .rmeta{color:var(--muted);font-size:.78rem;font-family:var(--mono);white-space:nowrap}
.topicstrip{display:flex;flex-wrap:wrap;gap:10px}
a.pill:hover{border-color:var(--accent);text-decoration:none}
.sparkline{margin:6px 0 2px}
table.compare{border-collapse:collapse;width:100%;font-size:.92rem}
table.compare th{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);text-align:left;padding:.5rem .8rem .5rem 0;
  border-bottom:1px solid var(--border)}
table.compare td{padding:.6rem .8rem .6rem 0;border-bottom:1px solid var(--border)}
table.compare tr:last-child td{border-bottom:0}
table.tbl{border-collapse:collapse;width:100%;font-size:.9rem}
table.tbl th{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);text-align:left;padding:.5rem .8rem .5rem 0;
  border-bottom:1px solid var(--border)}
table.tbl td{padding:.55rem .8rem .55rem 0;border-bottom:1px solid var(--border)}
table.tbl tr:last-child td{border-bottom:0}
.facadewrap{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.facade{position:relative;aspect-ratio:16/9;cursor:pointer;background:#000 center/cover no-repeat}
a.facade{display:block;text-decoration:none}
.substrip{border-bottom:1px solid var(--border);background:var(--card,#161b22);font-size:.85rem}
.substrip .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 20px}
.substrip .yt{display:inline-flex;align-items:center;gap:6px;font-weight:600}
.substrip .grow{flex:1}
.embedbox{margin:10px 0 0}
.embedbox summary{cursor:pointer;color:var(--muted);font-size:.82rem;font-family:var(--mono)}
.embedbox pre{background:var(--card,#161b22);border:1px solid var(--border);border-radius:8px;padding:10px;overflow-x:auto;font-size:.74rem}
.prcard{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;background:rgba(13,17,23,.9);color:#fff;text-align:center;padding:14px;z-index:6}
.prcard.on{display:flex}
.prcard .k{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.prcard .t{font-size:.95rem;font-weight:600;max-width:92%;line-height:1.35}
.prcard .row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
.prcard button,.prcard .sub{cursor:pointer;border:1px solid rgba(255,255,255,.4);background:#fff;color:#0d1117;
  border-radius:8px;padding:8px 14px;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-block}
.prcard button.ghost,.prcard .sub{background:transparent;color:#fff}
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0}
.statgrid .card{border:1px solid var(--border);border-radius:10px;padding:12px}
.statgrid .n{font-size:1.45rem;font-weight:700;font-family:var(--mono)}
.statgrid .l{color:var(--muted);font-size:.78rem}
.facade:hover .playbg{transform:scale(1.08)}
.playbg{position:absolute;inset:0;display:grid;place-items:center;transition:transform .15s ease;
  background:radial-gradient(rgba(0,0,0,.15),rgba(0,0,0,.55))}
.playbtn{width:64px;height:64px;border-radius:50%;background:#ff0000;display:grid;place-items:center;
  box-shadow:0 4px 18px rgba(0,0,0,.4)}
.facade iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.staticvideo{position:relative;aspect-ratio:16/9;background:#000}
.staticvideo iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vmeta{padding:12px 14px}
.vmeta .watch{display:inline-block;margin-top:4px;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.vmeta .watch:hover{color:var(--accent2);text-decoration:none}
.vmeta .d{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.vmeta .t{font-size:.95rem;font-weight:600;margin-top:2px}

footer{border-top:1px solid var(--border);padding:34px 0 46px;color:var(--muted);font-size:13.5px}
.foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}

.pagenotf{padding:90px 20px;text-align:center}
.pagenotf h1{font-size:34px}
.pagenotf p{color:var(--muted);margin:14px 0 26px}

.navtog{position:absolute;left:-9999px}
.burger{display:none;cursor:pointer;width:34px;height:34px;border:1px solid var(--border);
  border-radius:6px;background:var(--surface);color:var(--muted);place-items:center}
.burger span,.burger span::before,.burger span::after{display:block;width:16px;height:2px;
  background:currentColor;border-radius:2px;position:relative;transition:transform .15s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-5px}.burger span::after{top:5px}
.mnav{display:none}
@media(max-width:640px){
  .burger{display:grid}
  .nav nav{display:none}
  .navtog:focus-visible ~ .burger{outline:2px solid var(--accent);outline-offset:3px}
  .navtog:checked ~ nav{display:flex;position:absolute;top:59px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;background:var(--bg);
    border-bottom:1px solid var(--border);padding:6px 20px 14px;z-index:30}
  .navtog:checked ~ nav a{color:var(--text);padding:11px 0;border-bottom:1px solid var(--border);font-size:15px}
  .navtog:checked ~ nav .mnav{display:contents}
  .navtog:checked ~ nav #theme{margin-top:10px;justify-self:start}
  .hero{padding:50px 0 46px}
  .stats{gap:22px}
}