/* Estilos del cuaderno (/cuaderno/ y sus notas). Tokens iguales a los de index.html. */
:root{
  --paper:#f5f2ea; --paper-2:#eee9df; --ink:#171717; --muted:#625f58;
  --line:#d8d2c7; --cyan:#008db8; --red:#b23a32; --white:#fbfaf6;
  --max:1180px; --reading:720px;
  --font-display:"Space Grotesk",sans-serif; --font-body:Inter,system-ui,sans-serif; --font-mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:17px/1.65 var(--font-body);background:var(--paper);color:var(--ink);overflow-x:hidden;
  background-image:linear-gradient(rgba(216,210,199,.28) 1px,transparent 1px),linear-gradient(90deg,rgba(216,210,199,.28) 1px,transparent 1px);background-size:32px 32px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
h1,h2,h3{font-family:var(--font-display);line-height:1.12;letter-spacing:-.03em}
h1{font-size:clamp(31px,8vw,56px);max-width:900px}
h2{font-size:clamp(24px,5vw,34px)}
.wrap{width:min(var(--max),calc(100% - 28px));margin:auto}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.55;color:#46433e;max-width:760px}
.mono{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:11px}
.nb-label{font:500 11px var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--cyan)}
.skip-link{position:absolute;left:12px;top:-60px;z-index:400;background:var(--ink);color:var(--paper);padding:10px 14px;font:600 12px var(--font-mono)}
.skip-link:focus{top:12px}
.btn{display:inline-flex;align-items:center;min-height:46px;padding:12px 17px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font:500 13px var(--font-mono)}
.btn:hover{background:var(--paper);color:var(--ink)}

/* Ruta */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;font:500 11px var(--font-mono);color:var(--muted)}
.breadcrumb li{display:flex;min-width:0;max-width:100%}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumb a{color:var(--cyan)}
.breadcrumb [aria-current]{display:block;min-width:0;max-width:48ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Índice: solo título y fecha, agrupados por categoría */
.nb-hero{display:grid;gap:14px;padding:28px 0 26px}
.nb-group{padding:0 0 30px}
.nb-group h2{font:500 11px var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px}
.nb-notes{list-style:none;border-top:1px solid var(--line);max-width:var(--reading)}
.nb-notes a{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 18px;padding:13px 0;border-bottom:1px solid var(--line);font:600 17px/1.3 var(--font-display)}
.nb-notes a:hover,.nb-notes a:focus-visible{color:var(--cyan)}
.nb-notes time{font:500 11px var(--font-mono);color:var(--muted);white-space:nowrap}

/* Nota */
.post-header{display:grid;gap:14px;padding:26px 0 24px}
.post-header .nb-label a:hover{text-decoration:underline}
.post-dates{font:500 12px var(--font-mono);color:var(--muted)}
.post-cover{margin:0 0 30px;border:1px solid var(--line);background:var(--white);padding:8px}
.post-cover img{display:block;width:100%;height:auto}
.post-cover figcaption{padding:8px 2px 2px;font:11px var(--font-mono);color:var(--muted)}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
.post-body{max-width:var(--reading);min-width:0}
.post-body section{padding:6px 0 18px}
.post-body h2{margin:18px 0 12px}
.post-body p,.post-body li,.post-body dd{color:#35332f}
.post-body p+p{margin-top:14px}
.post-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.post-body code{font:14px var(--font-mono);background:var(--paper-2);padding:1px 5px;border:1px solid var(--line)}
.post-body ul,.post-body ol{margin:14px 0 14px 20px;display:grid;gap:8px}
.steps{list-style:none;margin-left:0!important;counter-reset:step}
.steps li{counter-increment:step;position:relative;padding:12px 0 12px 46px;border-top:1px solid var(--line)}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:10px;font:700 21px var(--font-display);color:var(--cyan)}
.findings{list-style:none;margin-left:0!important}
.findings li{padding:12px 14px;border-left:3px solid var(--red);background:var(--paper-2)}
.findings strong{font-family:var(--font-mono);font-size:13px;color:var(--red)}
.glossary{margin:12px 0;border-top:1px solid var(--line)}
.glossary dt{font:600 17px var(--font-display);padding-top:12px}
.glossary dd{padding-bottom:12px;border-bottom:1px solid var(--line);font-size:16px}
.table-wrap{overflow-x:auto;margin:14px 0;border:1px solid var(--line);background:var(--white)}
table{width:100%;min-width:520px;border-collapse:collapse;font-size:14px}
caption{text-align:left;padding:10px 12px;font:11px var(--font-mono);color:var(--muted);border-bottom:1px solid var(--line)}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
thead th{font:500 11px var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);background:var(--paper-2)}
tbody th{font:600 15px var(--font-display)}
.table--weights td:last-child{font-family:var(--font-mono);color:var(--cyan)}
.app-panel{position:relative;align-self:start;display:grid;gap:10px;padding:22px 20px;border:1px solid var(--line);background:var(--white)}
.app-panel::before{content:"";position:absolute;top:-1px;left:-1px;width:12px;height:12px;border-top:2px solid var(--ink);border-left:2px solid var(--ink)}
.app-panel h2{font-size:26px}
.app-panel p{font-size:15px;color:var(--muted)}
.post-faq,.post-sources{max-width:var(--reading);padding:26px 0 8px;border-top:1px solid var(--line);margin-top:18px}
.post-faq h2,.post-sources h2{margin-bottom:12px}
.faq-entry{border-bottom:1px solid var(--line)}
.faq-entry summary{cursor:pointer;min-height:44px;padding:12px 28px 12px 0;position:relative;font:600 17px var(--font-display);list-style:none}
.faq-entry summary::-webkit-details-marker{display:none}
.faq-entry summary::after{content:"+";position:absolute;right:2px;top:10px;font:500 20px var(--font-mono);color:var(--cyan)}
.faq-entry[open] summary::after{content:"−"}
.faq-entry p{padding:0 0 14px;color:var(--muted);font-size:16px}
.post-sources ol{margin-left:20px;display:grid;gap:8px;font-size:15px}
.post-sources a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.post-sources span{color:var(--muted);font-size:13px}
.post-back{padding:26px 0 60px;font:500 13px var(--font-mono)}
.post-back a{color:var(--cyan)}

@media(min-width:760px){
  .wrap{width:min(var(--max),calc(100% - 80px))}
  .post-header{padding:40px 0 30px}
  .nb-hero{padding:44px 0 36px}
}
@media(min-width:1080px){
  .post-layout{grid-template-columns:minmax(0,var(--reading)) 1fr;gap:60px}
  .app-panel{position:sticky;top:92px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Cabecera y pie: copia de index.html para que sean idénticos */
    #progress{position:fixed;top:0;left:0;width:0;height:3px;background:var(--cyan);z-index:200}
    /* NAV */
    .nav{position:fixed;top:0;left:0;right:0;height:68px;z-index:100;background:rgba(245,242,234,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center}.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-family:"Space Grotesk";font-weight:700;letter-spacing:.04em}.brand span{color:var(--cyan)}.navlinks{display:none;list-style:none;gap:18px;align-items:center}.navlinks a{font-size:12px;font-family:"JetBrains Mono";color:var(--muted);border-bottom:1px solid transparent}.navlinks a:hover{color:var(--ink);border-color:var(--cyan)}.nav-cta{font-family:"JetBrains Mono";font-size:11px;color:var(--cyan);font-weight:600}.menu{display:block;border:1px solid var(--line);background:transparent;padding:8px 10px;font-family:"JetBrains Mono";font-size:12px;cursor:pointer;color:var(--ink)}
    .mobile-menu{position:fixed;inset:0;z-index:150;background:var(--paper);display:flex;flex-direction:column;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .26s ease,transform .26s ease,visibility .26s}
    .mobile-menu.open{opacity:1;visibility:visible;transform:none}
    .mm-top{flex:0 0 auto;height:68px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
    .mm-top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .mm-close{border:1px solid var(--line);background:transparent;padding:8px 12px;font-family:"JetBrains Mono";font-size:12px;letter-spacing:.06em;color:var(--ink);cursor:pointer}
    .mm-close:hover{border-color:var(--cyan);color:var(--cyan)}
    .mm-nav{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;gap:2px}
    .mm-nav a{display:block;font-family:"Space Grotesk",sans-serif;font-weight:600;letter-spacing:-.025em;font-size:clamp(21px,6vw,30px);line-height:1.15;color:var(--ink);padding:13px 8px}
    .mm-nav a i{display:block;font:400 10px "JetBrains Mono",monospace;font-style:normal;letter-spacing:.14em;color:var(--cyan);margin-bottom:4px}
    .mm-nav a:hover,.mm-nav a:focus-visible{color:var(--cyan)}
    .mm-nav .mm-cta{margin-top:18px;font-family:"JetBrains Mono";font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--paper);background:var(--ink);padding:15px 26px}
    .mm-nav .mm-cta i{color:#5bd5f5}
    .mm-foot{flex:0 0 auto;border-top:1px solid var(--line);padding:24px 20px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:16px}
    .mm-mail{font:12px "JetBrains Mono",monospace;color:var(--muted);letter-spacing:.04em}
    .mm-social{display:flex;justify-content:center;gap:14px}
    .mm-social a{width:48px;height:48px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);background:var(--white)}
    .mm-social a:hover,.mm-social a:focus-visible{border-color:var(--cyan);color:var(--cyan)}
    .mm-social svg{width:20px;height:20px;display:block;fill:currentColor}
    body.nav-open{overflow:hidden}
    @media(min-width:1050px){.mobile-menu{display:none}}
    @media(min-width:1050px){.navlinks{display:flex}.menu{display:none}.nav-cta{border:1px solid var(--cyan);padding:9px 13px}}
    footer{padding:45px 0 30px;border-top:1px solid var(--line)}.footer-grid{display:grid;gap:30px}.footer-title{font:700 24px "Space Grotesk"}.footer-copy{font-size:13px;color:var(--muted);max-width:520px}.footer-links{display:flex;flex-wrap:wrap;gap:16px;font:11px "JetBrains Mono"}.footer-links a{color:var(--cyan)}.legal{margin-top:35px;padding-top:18px;border-top:1px solid var(--line);font:10px "JetBrains Mono";color:var(--muted)}
@media(min-width:760px){.footer-grid{grid-template-columns:1fr auto;align-items:start}}
@media(max-width:759px){.footer-links{gap:14px 18px;font-size:12px}.footer-copy{font-size:15px}}
main{padding-top:68px}