/* ─────────────────────────────────────────────────────────────────
   Bimtrazer Docs · Sistema de diseño técnico
   v2 · 2026 — Limpio, profesional, denso.
   Inspirado en docs de ingeniería (Stripe, Vercel, Linear).
   ───────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Instrument+Serif&display=swap');

/* ── Reset & tokens ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  /* Tipografía */
  --font-sans:'Inter Tight',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --font-serif:'Instrument Serif',Georgia,serif;

  /* Paleta Bimtrazer — navy + naranja corporativo */
  --ink-900:#0b2545;
  --ink-800:#13315c;
  --ink-700:#1b416f;
  --ink-600:#3d5a80;
  --ink-500:#5b7796;
  --ink-400:#8a9eb8;
  --ink-300:#b4c2d3;
  --ink-200:#d6dde6;
  --ink-100:#e8edf3;
  --ink-50:#f4f7fb;
  --paper:#ffffff;

  /* Acentos Bimtrazer */
  --accent:#f59e0b;          /* naranja/ámbar Bimtrazer */
  --accent-soft:#fef3c7;
  --accent-deep:#b45309;
  --link:#13315c;            /* links en navy */
  --link-hover:#0b2545;
  --ok:#047857;
  --ok-soft:#d1fae5;
  --core:#be185d;            /* labels CORE */
  --core-soft:#fce7f3;
  --warn:#b45309;
  --warn-soft:#fef3c7;

  /* Borrosos / superficies */
  --rule:#e2e8f0;
  --rule-strong:#cbd5e1;
  --highlight:#fef9c3;

  /* Métricas de layout */
  --header-h:56px;
  --sidebar-w:268px;
  --toc-w:228px;
  --content-max:none;
  --home-max:1280px;

  /* Sombras */
  --shadow-sm:0 1px 2px rgba(10,22,40,0.04);
  --shadow-md:0 4px 12px -2px rgba(10,22,40,0.08);
}

html{font-size:15px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--ink-800);
  background:var(--paper);
  line-height:1.6;
  font-feature-settings:'ss01','cv11','cv02';
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--accent-deep)}
a:hover{text-decoration:underline;text-underline-offset:2px}
hr{border:none;border-top:1px solid var(--rule);margin:1.75rem 0}

/* ── Header ─────────────────────────────────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:200;
  height:var(--header-h);
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--rule);
  display:flex;align-items:center;
  gap:1.5rem;padding:0 1.25rem;
}
.hamburger{
  display:none;border:none;background:none;cursor:pointer;
  width:32px;height:32px;flex-direction:column;justify-content:center;gap:4px;padding:0;
}
.hamburger span{display:block;height:1.5px;width:18px;background:var(--ink-700);margin:0 auto;border-radius:1px}
.logo-img{height:22px;width:auto;display:block;opacity:0.95}
.site-title{
  font-weight:600;font-size:13.5px;color:var(--ink-900);
  white-space:nowrap;letter-spacing:-0.005em;
}
.site-title::before{content:"·";color:var(--ink-300);margin:0 .5rem;font-weight:400}

.site-nav{display:flex;gap:2px;flex:1;margin-left:.5rem}
.site-nav a{
  padding:6px 11px;border-radius:5px;
  font-size:13px;font-weight:500;color:var(--ink-600);
  transition:background .12s,color .12s;
}
.site-nav a:hover{background:var(--ink-50);color:var(--ink-900);text-decoration:none}
.site-nav a.active{background:var(--accent);color:#fff}

.search-wrap{position:relative;margin-left:auto}
#search-input{
  width:240px;padding:7px 12px 7px 32px;
  border:1px solid var(--rule);border-radius:6px;
  font-family:var(--font-sans);font-size:13px;color:var(--ink-800);
  background:var(--ink-50) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235b7796' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><line x1='21' y1='21' x2='16.65' y2='16.65'/></svg>") no-repeat 10px center;
  transition:border-color .15s,width .15s,background-color .15s;outline:none;
}
#search-input:focus{
  border-color:var(--accent);width:340px;background-color:#fff;
  box-shadow:0 0 0 3px rgba(245,158,11,0.18);
}
#search-results{
  position:absolute;right:0;top:calc(100% + 8px);
  width:460px;background:#fff;
  border:1px solid var(--rule);border-radius:8px;
  box-shadow:0 12px 32px -8px rgba(10,22,40,0.18);
  display:none;max-height:460px;overflow-y:auto;z-index:300;
}
#search-results.open{display:block}
.sr-item{
  display:block;padding:10px 14px;
  border-bottom:1px solid var(--ink-100);
  cursor:pointer;transition:background .1s;
}
.sr-item:last-child{border-bottom:none}
.sr-item:hover{background:var(--ink-50);text-decoration:none}
.sr-title{font-weight:600;font-size:13px;color:var(--ink-900)}
.sr-cat{
  font-size:10.5px;color:var(--accent-deep);margin-left:.5rem;
  text-transform:uppercase;letter-spacing:0.06em;font-weight:500;
}
.sr-exc{font-size:12px;color:var(--ink-500);margin-top:3px;line-height:1.4}
.sr-exc mark{background:var(--highlight);color:inherit;padding:0 1px;border-radius:2px}
.sr-empty{padding:1rem;text-align:center;color:var(--ink-500);font-size:13px}

/* ── Home: centered content with horizontal padding ─────────────── */
/* Sections are full-bleed (so backgrounds + borders stretch) but inner
   content is capped via inline pseudo-padding using calc-based padding. */
.hero, .section, .site-footer{
  --pad-x: max(56px, calc((100% - var(--home-max)) / 2));
}
.hero, .section{
  padding-left:var(--pad-x);padding-right:var(--pad-x);
}
.site-footer{padding-left:var(--pad-x);padding-right:var(--pad-x)}
.stats-bar{padding-left:max(56px, calc((100% - var(--home-max)) / 2));padding-right:max(56px, calc((100% - var(--home-max)) / 2))}

/* ── Hero (home) ────────────────────────────────────────────────── */
.hero{
  padding-top:72px;padding-bottom:56px;
  border-bottom:1px solid var(--rule);
  background:
    radial-gradient(circle at 95% 0%,rgba(29,78,216,0.04) 0,transparent 50%),
    linear-gradient(to bottom,#fff 0%,var(--ink-50) 100%);
  position:relative;
}
.hero::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(to bottom,var(--accent),transparent);
}
.hero-eyebrow{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  color:var(--ink-500);letter-spacing:0.08em;text-transform:uppercase;
  margin-bottom:18px;
}
.hero-eyebrow::before{content:"v2 · ";color:var(--ink-400)}
.hero h1{
  font-family:var(--font-serif);font-weight:400;
  font-size:54px;line-height:1.12;letter-spacing:-0.02em;
  color:var(--ink-900);max-width:780px;
  margin:0 0 0.35em;
}
.hero h1 .accent{color:var(--accent);font-style:italic}
.hero::before{background:linear-gradient(to bottom,var(--accent),transparent)}
.hero-sub{
  font-size:15px;font-weight:500;color:var(--ink-600);
  margin:0 0 4px;letter-spacing:-0.005em;
}
.hero p:not(.hero-sub){
  max-width:640px;color:var(--ink-600);font-size:14.5px;line-height:1.65;
  margin:18px 0 28px;
}
.hero-ctas{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:6px;
  font-family:var(--font-sans);font-weight:500;font-size:13px;
  cursor:pointer;transition:all .12s;
  border:1px solid transparent;letter-spacing:-0.005em;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn-outline{background:#fff;color:var(--ink-800);border-color:var(--rule-strong)}
.btn-outline:hover{border-color:var(--ink-700);background:var(--ink-50)}
.btn::after{content:"→";font-weight:400;transition:transform .15s}
.btn:hover::after{transform:translateX(2px)}

/* ── Stats strip ────────────────────────────────────────────────── */
.stats-bar{
  display:grid;grid-template-columns:repeat(6,1fr);
  border-bottom:1px solid var(--rule);background:#fff;
}
.stat-card{
  padding:20px 24px;
  border-right:1px solid var(--rule);
  display:flex;flex-direction:column;gap:4px;
}
.stat-card:last-child{border-right:none}
.stat-num{
  font-family:var(--font-mono);font-size:22px;font-weight:600;
  color:var(--ink-900);line-height:1;letter-spacing:-0.02em;
}
.stat-label{
  font-size:11.5px;color:var(--ink-500);
  text-transform:uppercase;letter-spacing:0.07em;font-weight:500;
}

/* ── Sections (home) ────────────────────────────────────────────── */
.section{padding-top:64px;padding-bottom:64px}
.section + .section{border-top:1px solid var(--rule)}
.section[style*="bg2"], .section.alt{background:var(--ink-50)}

.section-title{
  font-family:var(--font-sans);font-weight:600;font-size:11.5px;
  color:var(--ink-500);text-transform:uppercase;letter-spacing:0.10em;
  margin-bottom:28px;display:flex;align-items:center;gap:14px;
}
.section-title::after{
  content:"";flex:1;height:1px;background:var(--rule);
}

/* ── Doc cards (home) ───────────────────────────────────────────── */
.doc-cards{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule);border-radius:8px;overflow:hidden;
}
.doc-card{
  background:#fff;padding:22px 24px 24px;
  display:flex;flex-direction:column;gap:8px;
  transition:background .12s;position:relative;
}
.doc-card:hover{background:var(--ink-50)}
.dc-icon{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  color:var(--ink-400);letter-spacing:0.06em;text-transform:uppercase;
  margin-bottom:6px;
}
.dc-title{
  font-family:var(--font-serif);font-weight:400;
  font-size:21px;line-height:1.2;color:var(--ink-900);
  letter-spacing:-0.01em;
}
.dc-desc{
  font-size:13px;color:var(--ink-600);flex:1;line-height:1.55;margin-top:4px;
}
.dc-link{margin-top:10px}
.dc-link a{
  font-size:12.5px;font-weight:500;color:var(--accent-deep);
  display:inline-flex;align-items:center;gap:4px;border:none;padding:0;background:none;
}
.dc-link a:hover{text-decoration:none;color:var(--ink-900)}
.dc-link a::after{content:"→";transition:transform .15s}
.dc-link a:hover::after{transform:translateX(3px)}
/* Override .btn styling inside doc-card link */
.dc-link .btn{padding:0;border:none;background:none;color:var(--accent-deep);font-weight:500;font-size:12.5px}
.dc-link .btn:hover{transform:none;background:none}

/* ── Architecture diagram block ─────────────────────────────────── */
.arch-diagram{
  margin:0 0 1.25rem;background:#fff;
  border:1px solid var(--rule);border-radius:8px;padding:20px;
}
.arch-legend{
  border-collapse:collapse;font-size:12px;width:100%;
  border:1px solid var(--rule);border-radius:6px;overflow:hidden;
}
.arch-legend td,.arch-legend th{
  border-bottom:1px solid var(--ink-100);padding:7px 12px;text-align:left;
}
.arch-legend th{
  background:var(--ink-50);color:var(--ink-700);font-weight:600;
  font-size:11px;text-transform:uppercase;letter-spacing:0.06em;
}
.arch-legend tr:last-child td{border-bottom:none}

/* ── Filter tabs ────────────────────────────────────────────────── */
.filter-tabs{display:flex;gap:4px;margin-bottom:24px;flex-wrap:wrap}
.ftab{
  padding:6px 12px;border-radius:5px;
  border:1px solid var(--rule);background:#fff;
  font-family:var(--font-sans);font-size:12.5px;font-weight:500;
  color:var(--ink-600);cursor:pointer;transition:all .12s;
}
.ftab:hover{border-color:var(--ink-400);color:var(--ink-900)}
.ftab.active{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}

/* ── Service cards grid ─────────────────────────────────────────── */
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule);border-radius:8px;overflow:hidden;
}
.svc-card{
  background:#fff;padding:18px 20px;
  display:flex;flex-direction:column;gap:8px;
  transition:background .12s;
}
.svc-card:hover{background:var(--ink-50)}
.svc-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.svc-name{
  font-family:var(--font-mono);font-weight:600;font-size:14px;
  color:var(--ink-900);letter-spacing:-0.01em;flex:1;
}
.badge{
  display:inline-flex;align-items:center;
  padding:2px 7px;border-radius:3px;
  font-family:var(--font-mono);font-size:10.5px;font-weight:500;
  line-height:1.4;letter-spacing:0;
}
.badge-port{background:var(--ink-100);color:var(--ink-700)}
.badge-go{background:#dbeafe;color:#13315c}
.badge-node{background:var(--ok-soft);color:var(--ok)}
.badge-core{background:var(--core-soft);color:var(--core)}
.svc-desc{font-size:12.5px;color:var(--ink-600);flex:1;line-height:1.55}
.svc-link{
  margin-top:6px;font-size:12px;color:var(--accent-deep);font-weight:500;
  display:inline-flex;align-items:center;gap:4px;
}
.svc-link::after{content:"→";transition:transform .15s}
.svc-link:hover{text-decoration:none;color:var(--ink-900)}
.svc-link:hover::after{transform:translateX(2px)}

/* ── Footer ─────────────────────────────────────────────────────── */
.site-footer{
  padding-top:28px;padding-bottom:28px;
  border-top:1px solid var(--rule);
  background:var(--ink-50);
  font-size:12px;color:var(--ink-500);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.site-footer .mono{font-family:var(--font-mono)}

/* ── Document layout (3-col) ────────────────────────────────────── */
.doc-layout{
  display:grid;
  grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--toc-w);
  min-height:calc(100vh - var(--header-h));align-items:start;
}

/* ── Sidebar ────────────────────────────────────────────────────── */
.sidebar{
  position:sticky;top:var(--header-h);
  height:calc(100vh - var(--header-h));overflow-y:auto;
  border-right:1px solid var(--rule);background:#fff;
  padding:18px 12px 24px;font-size:13px;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--ink-200);border-radius:3px}
.sidebar-section-title{
  font-size:10.5px;font-weight:600;text-transform:uppercase;
  letter-spacing:0.09em;color:var(--ink-400);
  padding:18px 10px 6px;
}
.sidebar > a:first-child + .sidebar-section-title,
.sidebar .sidebar-section-title:first-child{padding-top:8px}
.sidebar a{
  display:block;padding:5px 10px;border-radius:5px;
  color:var(--ink-700);font-size:13px;font-weight:400;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:background .1s,color .1s;
  border-left:2px solid transparent;margin-left:-2px;
}
.sidebar a:hover{background:var(--ink-50);color:var(--ink-900);text-decoration:none}
.sidebar a.active{
  background:var(--accent-soft);color:var(--accent-deep);
  font-weight:600;border-left-color:var(--accent);
}

/* ── Doc content ────────────────────────────────────────────────── */
.doc-content{
  padding:36px 48px 80px;min-width:0;max-width:none;width:100%;
}
.doc-content > *{max-width:100%}
.doc-content table{width:100%}
.breadcrumb{
  font-family:var(--font-mono);font-size:11.5px;
  color:var(--ink-500);margin-bottom:18px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-500);font-weight:400}
.breadcrumb a:hover{color:var(--accent-deep);text-decoration:none}
.breadcrumb span{color:var(--ink-300);margin:0}
.breadcrumb > span:last-child{color:var(--ink-800);font-weight:500}

.doc-meta{
  display:flex;gap:8px;align-items:center;
  margin-bottom:14px;flex-wrap:wrap;
}

.doc-content h1{
  font-family:var(--font-serif);font-weight:400;
  font-size:42px;line-height:1.1;letter-spacing:-0.02em;
  color:var(--ink-900);margin-bottom:.6rem;
}
.doc-content h2{
  font-size:22px;font-weight:600;color:var(--ink-900);
  margin:2.2rem 0 .8rem;letter-spacing:-0.015em;
  padding-bottom:.4rem;border-bottom:1px solid var(--rule);
}
.doc-content h3{
  font-size:16px;font-weight:600;color:var(--ink-900);
  margin:1.6rem 0 .5rem;letter-spacing:-0.01em;
}
.doc-content h4{
  font-size:14px;font-weight:600;color:var(--ink-700);
  margin:1.2rem 0 .3rem;text-transform:uppercase;letter-spacing:0.04em;
}
.doc-content p{margin-bottom:.9rem;color:var(--ink-700);line-height:1.7}
.doc-content ul,.doc-content ol{margin:.5rem 0 1rem 1.5rem}
.doc-content li{margin-bottom:.3rem;color:var(--ink-700);line-height:1.65}
.doc-content li > strong:first-child{color:var(--ink-900);font-weight:600}
.doc-content strong{color:var(--ink-900);font-weight:600}
.doc-content em{color:var(--ink-700);font-style:italic}

.doc-content blockquote{
  border-left:2px solid var(--accent);
  background:#fffbeb;
  padding:12px 16px;
  border-radius:0 5px 5px 0;
  color:var(--ink-700);margin:1.2rem 0;
  font-size:13.5px;line-height:1.6;
}
.doc-content blockquote p{margin-bottom:.4rem;color:var(--ink-700)}
.doc-content blockquote p:last-child{margin-bottom:0}

.doc-content code{
  background:var(--ink-100);color:var(--ink-900);
  padding:.12em .42em;border-radius:3px;
  font-size:.88em;font-family:var(--font-mono);
  font-weight:500;
}
.doc-content pre{
  background:var(--ink-900);color:#e8edf3;
  padding:16px 20px;border-radius:8px;
  overflow-x:auto;margin:1.2rem 0;
  font-size:12.5px;line-height:1.65;
  font-family:var(--font-mono);
  border:1px solid var(--ink-800);
}
.doc-content pre code{
  background:none;color:inherit;padding:0;font-size:inherit;font-weight:400;
}

/* Tables */
.table-wrap{
  overflow-x:auto;margin:1.2rem 0;
  border:1px solid var(--rule);border-radius:8px;
}
.doc-content table{
  border-collapse:collapse;width:100%;font-size:12.5px;
}
.doc-content th{
  background:var(--ink-50);color:var(--ink-700);
  padding:9px 12px;text-align:left;font-weight:600;
  font-size:11.5px;text-transform:uppercase;letter-spacing:0.05em;
  border-bottom:1px solid var(--rule);
}
.doc-content td{
  padding:9px 12px;border-bottom:1px solid var(--ink-100);
  vertical-align:top;color:var(--ink-700);line-height:1.55;
}
.doc-content tr:last-child td{border-bottom:none}
.doc-content tr:hover td{background:var(--ink-50)}
.doc-content td code{font-size:12px;background:#fff;border:1px solid var(--ink-100)}

/* Endpoints tables (homologated): Path in single line, description flexes */
.endpoints-table{
  table-layout:auto;
}
.endpoints-table th:first-child,
.endpoints-table td:first-child{
  width:1%;                /* shrink to content */
  white-space:nowrap;
  padding-right:20px;
}
.endpoints-table th:last-child,
.endpoints-table td:last-child{
  width:auto;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
  color:var(--ink-600);
}
.endpoints-table td:first-child code{
  display:inline-block;
  font-size:12px;font-weight:500;
  padding:3px 8px;
  background:var(--ink-50);
  border:1px solid var(--ink-100);
  border-radius:5px;
  color:var(--ink-900);
  white-space:nowrap;
}
/* Method prefix coloring via attribute selectors won't work on text;
   instead we color the whole code subtly and let monospace do the rest. */
.endpoints-table-wrap{
  overflow-x:auto;          /* allow horizontal scroll if a path is truly enormous */
}

/* ── TOC (right) ────────────────────────────────────────────────── */
.toc-panel{
  position:sticky;top:var(--header-h);
  height:calc(100vh - var(--header-h));overflow-y:auto;
  padding:36px 24px 24px;border-left:1px solid var(--rule);
  background:#fff;font-size:12.5px;
}
.toc-panel::-webkit-scrollbar{width:6px}
.toc-panel::-webkit-scrollbar-thumb{background:var(--ink-200);border-radius:3px}
.toc-heading{
  font-size:10.5px;font-weight:600;text-transform:uppercase;
  letter-spacing:0.09em;color:var(--ink-400);margin-bottom:10px;
}
.toc-panel a{
  display:block;padding:4px 10px;
  color:var(--ink-500);font-size:12.5px;line-height:1.5;
  border-left:2px solid transparent;margin-left:-2px;
  transition:color .1s,border-color .1s;
}
.toc-panel a:hover{color:var(--ink-900);text-decoration:none}
.toc-panel a.active{color:var(--accent-deep);border-left-color:var(--accent);font-weight:600}
.toc-panel a.lvl-3{padding-left:22px;font-size:12px;color:var(--ink-400)}

/* ── Sidebar sub-links (CU sub-navigation) ──────────────────────── */
.sidebar .sidebar-sub-link{
  padding:4px 10px 4px 26px;
  font-size:12px;
  color:var(--ink-400);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  border-left:2px solid transparent;
  margin-left:0;
}
.sidebar .sidebar-sub-link:hover{
  background:var(--ink-50);color:var(--ink-700);
}
.sidebar .sidebar-sub-link.active{
  background:var(--accent-soft);color:var(--accent-deep);
  font-weight:600;border-left-color:var(--accent);
}

/* ── Diagram zoom (Mermaid wrapper) ─────────────────────────────── */
.dz-wrap{
  margin:24px 0;
  border:1px solid var(--rule);
  border-radius:8px;
  background:var(--paper);
  overflow:hidden;
  display:flex;flex-direction:column;
}
.dz-toolbar{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;
  border-bottom:1px solid var(--rule);
  background:var(--ink-50);
  flex-shrink:0;
}
.dz-controls{
  display:flex;align-items:center;gap:6px;
}
.dz-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;
  border:1px solid var(--rule);
  border-radius:5px;
  background:var(--paper);
  color:var(--ink-600);
  cursor:pointer;
  padding:0;flex-shrink:0;
  transition:background .12s,border-color .12s,color .12s;
}
.dz-btn:hover{
  background:var(--ink-50);
  border-color:var(--ink-300);
  color:var(--ink-900);
}
.dz-btn svg{
  width:14px;height:14px;display:block;
}
.dz-btn.dz-sep{
  margin-left:6px;
}
.dz-viewport{
  position:relative;
  height:480px;
  overflow:hidden;
  cursor:grab;
  background:
    linear-gradient(var(--ink-50) 1px, transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg, var(--ink-50) 1px, transparent 1px) 0 0/24px 24px,
    var(--paper);
}
.dz-viewport.grabbing{cursor:grabbing}
.dz-viewport .mermaid{
  display:block;
  margin:0;
  width:auto !important;
  height:auto !important;
}
.dz-viewport .mermaid svg{
  display:block;
  max-width:none !important;
}
.dz-wrap:fullscreen{
  border-radius:0;
  background:var(--paper);
}
.dz-wrap:fullscreen .dz-viewport{
  height:calc(100vh - 47px);
}

/* ── Doc nav (Anterior / Siguiente) ─────────────────────────────── */
.doc-nav{
  display:flex;justify-content:space-between;align-items:stretch;gap:16px;
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--rule);
}
.doc-nav-item{
  display:flex;flex-direction:column;gap:4px;
  flex:0 1 calc(50% - 8px);
  padding:14px 18px;
  border:1px solid var(--rule);border-radius:6px;
  background:#fff;text-decoration:none;
  transition:border-color .1s,background .1s,transform .1s;
}
.doc-nav-item:hover{
  border-color:var(--accent);background:var(--accent-soft);
  text-decoration:none;
}
.doc-nav-item.prev{margin-right:auto;text-align:left}
.doc-nav-item.next{margin-left:auto;text-align:right}
.doc-nav-item .nav-label{
  font-size:11px;font-weight:500;
  text-transform:uppercase;letter-spacing:0.08em;
  color:var(--ink-400);
}
.doc-nav-item:hover .nav-label{color:var(--accent-deep)}
.doc-nav-item .nav-title{
  font-family:var(--font-mono);
  font-size:13.5px;font-weight:600;color:var(--ink-900);
}
@media (max-width:640px){
  .doc-nav{flex-direction:column}
  .doc-nav-item{flex:1 1 auto}
  .doc-nav-item.prev,.doc-nav-item.next{margin:0;text-align:left}
}

/* ── CU React layout (doc-layout variant that fills viewport height) */
.doc-layout.cu-layout{
  height:calc(100vh - var(--header-h));
  grid-template-columns:var(--sidebar-w) 1fr;
  align-items:stretch;
}
.cu-react-content{
  height:100%;overflow:hidden;min-width:0;
  display:flex;flex-direction:column;
}
.cu-react-content #root{flex:1;min-height:0;overflow:auto}
.cu-react-content > .page-nav{flex-shrink:0;border-top:1px solid var(--rule);background:#fff}

/* ── Mobile ─────────────────────────────────────────────────────── */
@media (max-width:1100px){
  .doc-layout{grid-template-columns:var(--sidebar-w) 1fr}
  .toc-panel{display:none}
}
@media (max-width:800px){
  .hamburger{display:flex}
  .doc-layout{grid-template-columns:1fr}
  .sidebar{
    position:fixed;top:var(--header-h);left:0;
    width:var(--sidebar-w);z-index:150;
    transform:translateX(-100%);transition:transform .2s;
    box-shadow:0 4px 20px rgba(10,22,40,0.10);
  }
  .sidebar.open{transform:translateX(0)}
  .site-nav{display:none}
  .search-wrap{margin-left:0}
  #search-input{width:160px}
  #search-input:focus{width:220px}
  .hero{padding:48px 28px 40px}
  .hero h1{font-size:38px}
  .stats-bar{grid-template-columns:repeat(3,1fr)}
  .stat-card:nth-child(3n){border-right:none}
  .stat-card:nth-child(-n+3){border-bottom:1px solid var(--rule)}
  .section{padding:48px 28px}
  .doc-content{padding:24px 22px 60px}
  .site-footer{padding:24px 28px}
}

/* ── Page navigation (prev / next) ──────────────────────────────── */
.page-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin:64px 0 0;padding:24px 0 0;
  border-top:1px solid var(--rule);
}
.page-nav__link{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 18px;
  border:1px solid var(--rule);border-radius:8px;
  background:#fff;text-decoration:none;
  transition:border-color .12s,background .12s,transform .12s;
  min-width:0;
}
.page-nav__link:hover{
  border-color:var(--accent);background:var(--ink-50);
  text-decoration:none;
}
.page-nav__prev{align-items:flex-start;text-align:left}
.page-nav__next{align-items:flex-end;text-align:right}
.page-nav__dir{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  color:var(--ink-500);letter-spacing:0.06em;text-transform:uppercase;
}
.page-nav__link:hover .page-nav__dir{color:var(--accent-deep)}
.page-nav__title{
  font-family:var(--font-sans);font-size:14px;font-weight:600;
  color:var(--ink-900);line-height:1.35;
  overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.page-nav__placeholder{display:block}

/* CU pages: the page-nav sits inside the flex column; tighten margins */
.cu-react-content > .page-nav{
  margin:0;padding:14px 24px;border-top:1px solid var(--rule);
  background:#fff;
}

/* Index home: page-nav sits between last section and footer */
body > .page-nav{
  max-width:var(--home-max);margin:0 auto;
  padding:32px max(56px, calc((100vw - var(--home-max)) / 2)) 48px;
  border-top:1px solid var(--rule);
  box-sizing:border-box;width:100%;
}

@media (max-width:700px){
  .page-nav{grid-template-columns:1fr}
  .page-nav__next{align-items:flex-start;text-align:left}
}