/* Bitspace blog. Tokens heredados de index.html (mantener en sincronía). */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-latin-vf.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url(/fonts/jetbrains-mono-latin-vf.woff2) format('woff2')}
*{box-sizing:border-box}
:root{
  color-scheme:dark;
  --bg:#09090B;--bg-alt:#0F0F12;--surface:#0F0F12;--border:#1E1E24;--border-2:#2A2A32;--hair:#1E1E24;
  --text:#F4F4F5;--text-2:#9C9FA8;--text-3:#7C7F88;--faint:#52555D;--read:#C9CBD1;
  --accent:#4D6CFF;--accent-2:#7C93FF;--accent-soft:rgba(77,108,255,0.12);--accent-border:rgba(77,108,255,0.28);
  --green:#34CF77;--accent-3:#EC3F8F;--nav-bg:rgba(8,9,10,0.7);
  --grid-line:rgba(255,255,255,0.05);--grain-opacity:0.055;--sch-grid:rgba(255,255,255,0.045);--prod-ink:#fff;--sig:#fff;
  --sans:'Inter',system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Liberation Sans",sans-serif;
  --mono:'JetBrains Mono',ui-monospace,"SF Mono",Menlo,Consolas,"Cascadia Mono","Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
  --t-h1:clamp(32px,1.6rem + 3vw,60px);--t-h2:clamp(24px,1.3rem + 1vw,30px);--t-body:17.5px;--t-card:19px;--t-meta:12.5px;
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#FCFCFA;--bg-alt:#F4F4F0;--surface:#FFFFFF;--border:#E8E8E2;--border-2:#E0E0D8;--hair:#EDEDE6;
  --text:#15161B;--text-2:#595C66;--text-3:#6B6E77;--faint:#A0A3AC;--read:#3B3E47;
  --accent:#3A57E8;--accent-2:#3A57E8;--accent-soft:rgba(58,87,232,0.07);--accent-border:rgba(58,87,232,0.2);
  --green:#1F9E58;--accent-3:#D81E7E;--nav-bg:rgba(252,252,250,0.8);
  --grid-line:rgba(40,52,92,0.055);--grain-opacity:0;--sch-grid:rgba(40,52,92,0.07);--sig:#15161B;
}
html{scroll-behavior:smooth;scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .3s ease,color .3s ease}
::selection{background:#4D6CFF;color:#fff}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:#3A57E8;color:#fff;padding:10px 14px;border-radius:8px;font-weight:600}
.skip:focus{top:12px}
.bs-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(to right,var(--grid-line) 1px,transparent 1px),linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 78% 78% at 50% 30%,#000 38%,transparent 86%);mask-image:radial-gradient(ellipse 78% 78% at 50% 30%,#000 38%,transparent 86%)}
.bs-grain{position:fixed;inset:0;z-index:80;pointer-events:none;opacity:var(--grain-opacity);mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:200px 200px}

/* nav (espejo del home) */
.bs-nav{position:fixed;top:0;left:0;right:0;z-index:50;height:68px;display:flex;align-items:center;background:var(--nav-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--hair)}
.bs-nav-in{max-width:1080px;margin:0 auto;padding:0 28px;width:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-.02em;color:var(--text)}
.brand.small{font-size:15px}
.brand-b{display:inline-flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:7px;background:#4D6CFF;color:#fff;font-family:var(--mono);font-weight:500;font-size:14px}
.brand.small .brand-b{width:24px;height:24px;border-radius:6px;font-size:12px}
.brand-s{color:var(--text-3);font-weight:500}
.links{display:flex;align-items:center;gap:32px}
.links a{font-size:14px;color:var(--text-2);font-weight:500;padding:6px 0}
.links a[aria-current="page"]{color:var(--text)}
.links .cta{display:inline-flex;align-items:center;background:var(--text);color:var(--bg);font-weight:600;padding:9px 17px;border-radius:8px}
.progress{position:fixed;top:68px;left:0;right:0;height:2px;z-index:51;background:transparent}
.progress-bar{height:100%;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline: scroll()){.progress-bar{animation:bsProgress linear both;animation-timeline:scroll(root)}}
@keyframes bsProgress{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* layout */
.wrap{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:118px 28px 72px}
.eyebrow{margin:0;font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);font-weight:500}
.idx-head h1{margin:16px 0 0;font-weight:700;font-size:var(--t-h1);line-height:1;letter-spacing:-.04em;text-wrap:balance;max-width:760px}
.lede{margin:18px 0 0;font-size:17.5px;line-height:1.6;color:var(--text-2);max-width:560px;text-wrap:pretty}
.meta{font-family:var(--mono);font-size:var(--t-meta);color:var(--text-3);display:flex;gap:4px 12px;flex-wrap:wrap;font-variant-numeric:tabular-nums;line-height:1.5}
.meta>*{white-space:nowrap}
.meta .k{color:var(--accent-2)}
.meta .sheet{color:var(--text-3)}
.meta .live{display:inline-flex;align-items:center;gap:7px;color:var(--green)}
.meta .live i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
@media (prefers-reduced-motion:no-preference){.meta .live i{animation:bsPulse 1.9s infinite}}
@keyframes bsPulse{0%,100%{opacity:1}50%{opacity:.3}}

/* lead */
.lead{margin-top:44px;display:grid;grid-template-columns:1.15fr .85fr;background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:border-color .2s}
.lead:hover{border-color:var(--border-2)}
.lead .fig{border-right:1px solid var(--border);display:flex;align-items:center;background-color:var(--surface);background-image:linear-gradient(var(--sch-grid) 1px,transparent 1px),linear-gradient(90deg,var(--sch-grid) 1px,transparent 1px);background-size:20px 20px}
.lead .body{padding:34px 34px 30px;display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.lead h2{margin:14px 0 0;font-weight:700;font-size:clamp(24px,2.4vw,32px);line-height:1.12;letter-spacing:-.03em;text-wrap:balance}
.lead p{margin:14px 0 0;font-size:15px;line-height:1.6;color:var(--text-2);text-wrap:pretty}
.read{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--text)}
.read svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.lead:hover .read svg{transform:translateX(3px)}

/* schematic variants (one shown per width) */
.sch-d,.sch-t,.sch-m{display:block;width:100%}
.sch-t,.sch-m{display:none}
.sch{font-family:var(--mono);background:var(--surface);display:block;width:100%;height:auto}
.sch .g{stroke:var(--sch-grid);stroke-width:1}
.sch .bus{fill:none;stroke:var(--accent-2);stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.sch .bus.main{stroke-width:2}
.sch .bus.exc{stroke-dasharray:.03 .025;stroke-width:1.25}
.sch .bus.ret{stroke:var(--text-3)}
.sch .jct{fill:var(--accent-2)}
.sch .node{fill:var(--bg);stroke:var(--border-2);stroke-width:1}
.sch .lbl{fill:var(--text-2)}
.sch .tag{fill:var(--text-3);letter-spacing:.06em}
.sch-m .tag{display:none}
.sch .prod{fill:var(--accent-3);transform-box:fill-box;transform-origin:center}
.sch .plbl{fill:var(--prod-ink);font-weight:500}
.sch .tblock text{fill:var(--text-3);letter-spacing:.08em}
.sch .sig{fill:var(--sig);opacity:0}
.sch .comet{fill:none;stroke:var(--sig);stroke-width:3;stroke-linecap:round;stroke-dasharray:.1 .9;stroke-dashoffset:.1;opacity:0}
.sch-thumb .bus.main{stroke-width:2.5}.sch-thumb .bus{stroke-width:1.75}.sch-thumb .node{stroke-width:1.25}
@media (prefers-reduced-motion:no-preference){
  .sch.play .bus:not(.exc){stroke-dasharray:1;stroke-dashoffset:1;animation:bsDraw .6s var(--ease) forwards;animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play .bus.exc{opacity:0;animation:bsFade .4s ease forwards;animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play .jct{opacity:0;animation:bsFade .3s ease forwards;animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play .sig{animation:bsSig var(--dur,1.5s) linear forwards;animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play .comet{animation:bsComet var(--dur,1.5s) linear forwards;animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play .prod{animation:bsHub .32s var(--ease);animation-delay:calc(var(--d,0ms) + var(--stag,0ms))}
  .sch.play.re .sig,.sch.play.re .comet{animation-delay:calc(.12s + var(--d,0ms) - var(--d0,0ms))}
  .sch.play.re .prod{animation-delay:calc(.12s + var(--d,0ms) - var(--d0,0ms))}
}
@keyframes bsDraw{to{stroke-dashoffset:0}}
@keyframes bsFade{to{opacity:1}}
@keyframes bsSig{0%{offset-distance:0%;opacity:0}8%{opacity:1}92%{opacity:1}100%{offset-distance:100%;opacity:0}}
@keyframes bsComet{0%{stroke-dashoffset:.1;opacity:0}8%{opacity:1}92%{opacity:1}100%{stroke-dashoffset:-.9;opacity:0}}
@keyframes bsHub{0%{transform:scale(1)}50%{transform:scale(1.07)}100%{transform:scale(1)}}

/* register (index list + "sigue leyendo") */
.register{margin-top:56px}
.reg-h{margin:0;padding:0 0 14px;font-family:var(--sans);font-size:15px;letter-spacing:-.01em;color:var(--text-2);font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:baseline}
.reg-h span{font-family:var(--mono);font-size:12.5px;font-weight:400;color:var(--text-3)}
.row{display:grid;grid-template-columns:200px 1fr auto;gap:28px;align-items:start;padding:26px 0;border-top:1px solid var(--border-2)}
.register .row:last-child{border-bottom:1px solid var(--border-2)}
.thumb{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface);transition:border-color .2s}
.rbody{min-width:0}
.rbody .meta .rdate{display:none}
.rbody h3{margin:8px 0 0;font-weight:700;font-size:24px;line-height:1.2;letter-spacing:-.025em;text-wrap:balance;transition:color .15s}
.rbody p{margin:8px 0 0;font-size:15px;line-height:1.55;color:var(--text-2);max-width:60ch;text-wrap:pretty}
.rmeta{font-family:var(--mono);font-size:12.5px;color:var(--text-3);display:flex;flex-direction:column;align-items:flex-end;gap:4px;white-space:nowrap;font-variant-numeric:tabular-nums;padding-top:2px}
.row:hover h3{color:var(--accent-2)}
.row:hover .thumb{border-color:var(--border-2)}

/* cards (home page; also used by home-blog.css) */
.grid{margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s;min-width:0}
.card:hover{border-color:var(--border-2)}
.card .fig{border-bottom:1px solid var(--border)}
.card .fig-glyph{display:none}
.card .body{padding:18px 22px 22px;display:grid;grid-template-rows:auto 1fr;align-content:start}
.card h3{margin:10px 0 0;font-weight:700;font-size:var(--t-card);line-height:1.25;letter-spacing:-.02em;text-wrap:balance;color:var(--text)}
.card:hover h3{color:var(--accent-2)}

/* index close */
.idx-close{margin-top:64px;padding-top:4px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:baseline}
.idx-close p{margin:0;font-size:17px;line-height:1.6;color:var(--text-2);max-width:560px}
.idx-close a{color:var(--text);font-weight:600;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.idx-close .rss a{font-family:var(--mono);font-size:13px;font-weight:400;color:var(--text-3);text-decoration:none}
.idx-close .rss a:hover{color:var(--accent-2)}

/* article */
.article{position:relative;z-index:1;max-width:720px;margin:0 auto;padding:118px 28px 72px}
.crumbs{display:flex;gap:10px;font-family:var(--mono);font-size:12.5px;color:var(--text-3);margin-bottom:26px}
.crumbs a:hover,.crumbs a:focus-visible{color:var(--accent-2)}
.art-head h1{margin:16px 0 0;font-weight:700;font-size:var(--t-h1);line-height:1.02;letter-spacing:-.04em;text-wrap:balance}
.art-head .lede{font-size:19px;max-width:none}
.art-fig{margin:40px 0 0}
.art-fig .sch{border:1px solid var(--border);border-radius:16px}
.art-fig figcaption{margin-top:12px;font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;line-height:1.5}
.prose{margin-top:48px;font-size:var(--t-body);line-height:1.7;color:var(--read);max-width:66ch;hyphens:auto;-webkit-hyphens:auto;text-wrap:pretty}
.prose p{margin:0 0 1.35em}
.prose strong{color:var(--text);font-weight:600}
.prose h2{margin:2.2em 0 .7em;font-weight:700;font-size:var(--t-h2);line-height:1.15;letter-spacing:-.03em;text-wrap:balance;hyphens:manual;-webkit-hyphens:manual;color:var(--text)}
.prose h3{margin:1.9em 0 .55em;font-weight:700;font-size:20px;line-height:1.25;letter-spacing:-.02em;hyphens:manual;-webkit-hyphens:manual;color:var(--text)}
.prose ul,.prose ol{margin:0 0 1.35em;padding-left:1.3em}
.prose li{margin:.4em 0;padding-left:.2em}
.prose li::marker{color:var(--accent-2);font-family:var(--mono);font-size:.9em}
.prose a{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1.5px}
.prose a:hover{color:var(--accent-2)}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--surface);border:1px solid var(--border);padding:.1em .4em;border-radius:5px;color:var(--text)}
.prose blockquote{margin:1.6em 0;padding:0 0 0 20px;border-left:2px solid var(--accent);color:var(--text);font-weight:500}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0 2em;font-size:15px;line-height:1.45}
.prose th,.prose td{text-align:left;padding:11px 12px 11px 0;border-bottom:1px solid var(--border-2);vertical-align:top}
.prose th{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);font-weight:500;border-bottom-color:var(--text-3)}
.prose td:first-child{color:var(--text);font-weight:500}
.prose hr{border:0;border-top:1px solid var(--border-2);margin:2.4em 0}
.author{margin-top:56px;padding-top:22px;border-top:1px solid var(--border-2)}
.author .name{font-weight:600;font-size:15px}
.author .role{font-family:var(--mono);font-size:12.5px;color:var(--text-3);margin-top:4px}
.art-cta{margin-top:48px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 34px}
.art-cta h2{margin:0;font-weight:700;font-size:24px;letter-spacing:-.03em}
.art-cta p{margin:10px 0 0;font-size:15px;line-height:1.6;color:var(--text-2);max-width:52ch}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:22px}
.btn{display:inline-flex;align-items:center;gap:9px;background:#3A57E8;color:#fff;font-weight:600;font-size:15px;padding:12px 20px;border-radius:10px}
.btn:hover{background:#2F49CC}
.link{font-weight:600;font-size:15px;color:var(--text)}
.more{margin-top:72px}
.more .register{margin-top:0}
.more .row{grid-template-columns:160px 1fr auto;gap:22px;padding:22px 0}
.more .rbody h3{font-size:20px}
.more .rbody p{display:none}

/* footer + toggle (espejo del home) */
.bs-footer{position:relative;z-index:1;border-top:1px solid var(--hair);background:var(--bg)}
.bs-footer-in{max-width:1080px;margin:0 auto;padding:32px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.flinks{display:flex;align-items:center;gap:24px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.flinks a:hover{color:var(--text)}
.copy{font-family:var(--mono);font-size:12.5px;color:var(--text-3)}
.theme-toggle{position:fixed;z-index:60;right:22px;bottom:22px;display:inline-flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--border-2);color:var(--text);padding:10px 15px;border-radius:100px;font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.04em;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.22)}
.theme-toggle .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}

/* responsive */
@media (max-width:920px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){
  .lead{grid-template-columns:1fr}
  .lead .fig{border-right:0;border-bottom:1px solid var(--border)}
  .lead .sch-d{display:none}.lead .sch-t{display:block}
  .lead .body{padding:24px 24px 24px;gap:22px}
}
@media (max-width:760px){
  .links{gap:18px}
  .links a:not(.cta):not(.nav-blog){display:none}
  .art-fig .sch-d{display:none}.art-fig .sch-t{display:block}
  .wrap,.article{padding-top:104px;padding-bottom:56px}
  .lede{font-size:16px}
  .lead{margin-top:32px}
  .grid{grid-template-columns:1fr}
  .row,.more .row{grid-template-columns:96px 1fr;gap:16px;padding:20px 0}
  .thumb{border-radius:8px}
  .rmeta{display:none}
  .rbody .meta .rdate{display:inline}
  .rbody h3,.more .rbody h3{font-size:19px;margin-top:6px}
  .rbody p{font-size:14.5px;margin-top:6px}
  .prose{font-size:17px}
  .art-cta{padding:26px 22px}
  .bs-footer-in{flex-direction:column;align-items:flex-start;gap:20px}
  .theme-toggle{bottom:16px;right:16px}
}
@media (max-width:600px){.sch-t .tag{display:none}}
@media (max-width:480px){
  .brand-s{display:none}
  .lead .sch-t,.art-fig .sch-t{display:none}.lead .sch-m,.art-fig .sch-m{display:block}
  .lead .body,.card .body{padding-left:18px;padding-right:18px}
}
@media (forced-colors:active){
  .sch .bus{stroke:CanvasText}.sch .node{stroke:CanvasText}.sch .prod{fill:Highlight}.sch .jct{fill:CanvasText}.btn,.links .cta{border:1px solid ButtonText}.progress-bar{background:Highlight}
}
@media print{.bs-nav,.bs-bg,.bs-grain,.theme-toggle,.progress,.art-cta,.more{display:none!important}.article{padding-top:0}}