/* developers.heysteff.com: misma marca que heysteff.com (Inter Tight, tinta
   sobre papel, un solo terracota) con layout de documentación. El modo noche
   es el gemelo del panel (DESIGN.md): carbón cálido, nunca negro puro. */
:root{
  color-scheme:light;
  --bg:#ffffff;--bg-2:#f7f6f3;--card:#ffffff;--nested:#efece7;
  --ink:#111111;--ink-2:#3a3a3a;--muted:#6b6560;
  --accent:#b83212;--accent-hover:#9a2a0f;--accent-soft:#fff4f0;--accent-border:#f2cfc2;
  --border:#ececec;--border-strong:#d6d3ce;
  --code-bg:#f7f6f3;--code-ink:#2a2622;--code-head:#efece7;
  --tok-str:#7a1f08;--tok-key:#19382b;--tok-com:#857d76;
  --ok:#1f7a4a;--ok-soft:#eef7f1;--ok-border:#cfe8d8;
  --header-bg:rgba(255,255,255,.92);
  --radius:12px;
  --font:'Inter Tight',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#14110e;--bg-2:#1a1612;--card:#2a241f;--nested:#302b27;
    --ink:#f3eee8;--ink-2:#d6cdc3;--muted:#b4a89c;
    --accent:#e86038;--accent-hover:#ff7a4a;--accent-soft:#2c1a13;--accent-border:#5a2c1d;
    --border:rgba(243,238,232,.10);--border-strong:rgba(243,238,232,.22);
    --code-bg:#1d1915;--code-ink:#ece5dc;--code-head:#24201d;
    --tok-str:#ffb39c;--tok-key:#9fd3b6;--tok-com:#9c9084;
    --ok:#7fd1a3;--ok-soft:#16241c;--ok-border:#27412f;
    --header-bg:rgba(20,17,14,.9);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#14110e;--bg-2:#1a1612;--card:#2a241f;--nested:#302b27;
  --ink:#f3eee8;--ink-2:#d6cdc3;--muted:#b4a89c;
  --accent:#e86038;--accent-hover:#ff7a4a;--accent-soft:#2c1a13;--accent-border:#5a2c1d;
  --border:rgba(243,238,232,.10);--border-strong:rgba(243,238,232,.22);
  --code-bg:#1d1915;--code-ink:#ece5dc;--code-head:#24201d;
  --tok-str:#ffb39c;--tok-key:#9fd3b6;--tok-com:#9c9084;
  --ok:#7fd1a3;--ok-soft:#16241c;--ok-border:#27412f;
  --header-bg:rgba(20,17,14,.9);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:999px;font-size:14px;text-decoration:none}
.skip:focus{left:16px}

/* Header */
.top{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:20px;height:60px;padding:0 24px;border-bottom:1px solid var(--border);background:var(--header-bg);backdrop-filter:saturate(140%) blur(8px);-webkit-backdrop-filter:saturate(140%) blur(8px)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;flex-shrink:0}
.brand .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.brand .logo{font-weight:650;font-size:20px;letter-spacing:-.03em}
.brand .logo i{font-style:normal;color:var(--accent)}
.brand .tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--border-strong);border-radius:999px;padding:2px 8px;margin-left:2px}
.top-nav{margin-left:8px;min-width:0}
.top-links{display:flex;gap:2px;list-style:none}
.top-links a{display:block;padding:6px 10px;border-radius:8px;font-size:14px;font-weight:500;color:var(--ink-2);text-decoration:none}
.top-links a:hover{background:var(--nested);color:var(--ink)}
.top-links a[aria-current="page"]{color:var(--ink);background:var(--nested)}
.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;border:1px solid var(--border-strong);background:transparent;color:var(--ink-2);cursor:pointer}
.icon-btn:hover{background:var(--nested);color:var(--ink)}
.icon-btn svg{width:17px;height:17px}
.lang{font-size:13px;font-weight:600;color:var(--ink-2);text-decoration:none;padding:7px 10px;border-radius:999px;border:1px solid var(--border-strong)}
.lang:hover{background:var(--nested);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:9px 16px;border:1px solid var(--border-strong);border-radius:999px;font-family:var(--font);font-size:14px;font-weight:600;background:transparent;color:var(--ink);text-decoration:none;cursor:pointer;transition:background .2s ease,border-color .2s ease}
.btn:hover{background:var(--nested)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.menu-btn{display:none}
.theme-btn .moon{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .moon{display:inline}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-btn .sun{display:none}:root:not([data-theme="light"]) .theme-btn .moon{display:inline}}

/* Menú del celular: los enlaces del header arriba del índice de docs. En
   desktop no se ven (el header ya los tiene); .side-m es el panel de las
   páginas sin índice lateral (landing, referencia, 404). */
.side-top{display:none;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.side-m{display:none}
@media (max-width:1180px){
  .brand .tag{display:none}
  .top-links a{padding:6px 8px;font-size:13.5px}
  .top .btn.login{border-color:transparent;padding:9px 10px}
}
@media (max-width:440px){.top .lang{display:none}}

/* Layout */
.shell{flex:1;display:grid;grid-template-columns:260px minmax(0,1fr);max-width:1240px;width:100%;margin:0 auto}
.side{position:sticky;top:60px;align-self:start;height:calc(100vh - 60px);overflow-y:auto;padding:28px 20px 40px 24px;border-right:1px solid var(--border)}
.side h2{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:22px 0 8px 10px}
.side h2:first-child{margin-top:0}
.side ul{list-style:none}
.side a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;border-radius:8px;font-size:14.5px;color:var(--ink-2);text-decoration:none}
.side a:hover{background:var(--nested);color:var(--ink)}
.side a[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.side .ext{font-size:11px;color:var(--muted)}
.content{min-width:0;padding:48px 56px 96px}
.content > *{max-width:760px}
.content.wide > *{max-width:none}

/* Prose */
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
h1{font-weight:750;font-size:clamp(32px,4.2vw,44px);line-height:1.1;letter-spacing:-.03em;margin-bottom:16px}
.lead{font-size:18.5px;line-height:1.6;color:var(--ink-2);margin-bottom:28px;max-width:64ch}
h2.h2{font-weight:700;font-size:26px;line-height:1.2;letter-spacing:-.02em;margin:52px 0 14px;padding-top:4px}
h3.h3{font-weight:650;font-size:19px;letter-spacing:-.01em;margin:30px 0 10px}
.anchor{margin-left:8px;color:var(--muted);text-decoration:none;opacity:0;font-weight:400}
h2:hover .anchor,h3:hover .anchor,.anchor:focus{opacity:1}
.content p{color:var(--ink-2);margin-bottom:14px;max-width:70ch}
.content ul.list,.content ol.list{padding-left:22px;margin:4px 0 18px;color:var(--ink-2);max-width:70ch}
.content ul.list li,.content ol.list li{margin-bottom:6px}
.content a:not(.btn):not(.anchor){color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent-border);text-underline-offset:3px;text-decoration-thickness:1.5px}
.content a:not(.btn):not(.anchor):hover{color:var(--accent);text-decoration-color:var(--accent)}
.content strong{color:var(--ink);font-weight:600}
code{font-family:var(--mono);font-size:.86em;background:var(--nested);color:var(--ink);border-radius:5px;padding:1px 6px;overflow-wrap:anywhere}

/* Facts row */
.facts{display:flex;flex-wrap:wrap;gap:10px 28px;margin:0 0 36px;padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.facts div{display:flex;flex-direction:column;gap:2px}
.facts dt{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-family:var(--mono);font-size:13.5px;color:var(--ink)}

/* Steps */
.step{display:grid;grid-template-columns:36px minmax(0,1fr);gap:16px;margin:40px 0 0}
.step-n{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-top:2px}
.step h2.h2{margin:0 0 10px}

/* Code */
.code{margin:16px 0 22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--code-bg);overflow:hidden}
.code-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 8px 6px 14px;background:var(--code-head);border-bottom:1px solid var(--border)}
.code-head .label{font-family:var(--mono);font-size:12px;color:var(--muted)}
.copy{font-family:var(--font);font-size:12.5px;font-weight:600;color:var(--ink-2);background:transparent;border:1px solid var(--border-strong);border-radius:999px;padding:4px 11px;cursor:pointer}
.copy:hover{background:var(--card);color:var(--ink)}
.copy.done{color:var(--ok);border-color:var(--ok-border)}
.code pre{margin:0;padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.65;color:var(--code-ink);tab-size:2}
.code pre code{background:none;padding:0;font-size:inherit;border-radius:0;color:inherit;overflow-wrap:normal}
.tok-s{color:var(--tok-str)}.tok-k{color:var(--tok-key)}.tok-c{color:var(--tok-com);font-style:italic}

/* Tabs */
.tabs{margin:16px 0 22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--code-bg);overflow:hidden}
.tablist{display:flex;align-items:center;gap:2px;padding:6px 8px;background:var(--code-head);border-bottom:1px solid var(--border);overflow-x:auto}
.tablist [role="tab"]{font-family:var(--font);font-size:13px;font-weight:600;color:var(--muted);background:transparent;border:0;border-radius:8px;padding:5px 11px;cursor:pointer;white-space:nowrap}
.tablist [role="tab"]:hover{color:var(--ink)}
.tablist [role="tab"][aria-selected="true"]{background:var(--card);color:var(--ink);box-shadow:0 0 0 1px var(--border)}
.tablist .copy{margin-left:auto}
.tabs .code{margin:0;border:0;border-radius:0}
.tabs .code-head{display:none}

/* Notes */
.note{margin:18px 0 22px;padding:14px 18px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-2);color:var(--ink-2);font-size:15px;max-width:70ch}
.note p{margin:0 0 8px;color:inherit}
.note p:last-child{margin:0}
.note .note-t{display:block;font-weight:650;color:var(--ink);margin-bottom:4px}
.note.warn{background:var(--accent-soft);border-color:var(--accent-border)}
.note.ok{background:var(--ok-soft);border-color:var(--ok-border)}

/* Tables */
.table-wrap{margin:16px 0 24px;border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:0}
th{font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--bg-2)}
td{color:var(--ink-2)}
td code{white-space:nowrap}

/* Next links */
.next{list-style:none;margin:18px 0 0;border-top:1px solid var(--border)}
.next li{border-bottom:1px solid var(--border)}
.next a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:14px 4px;text-decoration:none!important}
.next a b{font-weight:650;color:var(--ink)}
.next a span{grid-column:1;font-size:14.5px;color:var(--muted)}
.next a::after{content:"→";grid-column:2;grid-row:1 / span 2;align-self:center;color:var(--accent);transition:transform .2s ease}
.next a:hover::after{transform:translateX(4px)}

/* Pager */
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:64px;padding-top:24px;border-top:1px solid var(--border)}
.pager a{display:flex;flex-direction:column;gap:2px;text-decoration:none!important;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);min-width:0}
.pager a:hover{border-color:var(--border-strong);background:var(--bg-2)}
.pager small{font-size:12px;color:var(--muted)}
.pager b{font-weight:650;color:var(--ink)}
.pager .nx{margin-left:auto;text-align:right}

/* Reference (Scalar) */
.ref-main{flex:1;min-width:0}
.ref-fallback{max-width:720px;margin:48px auto;padding:0 24px}
.ref-loading{max-width:720px;margin:48px auto;padding:0 24px;color:var(--muted)}

/* Footer */
.foot{border-top:1px solid var(--border);padding:22px 24px;font-size:13px;color:var(--muted)}
.foot .in{max-width:1240px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--accent)}

/* 404 */
.lost{flex:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;max-width:640px;margin:0 auto;padding:80px 24px}
.lost .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}

/* Responsive */
@media (max-width:1080px){.content{padding:40px 36px 80px}}
@media (max-width:960px){
  .top{padding:0 16px;gap:10px}
  .top-nav,.top .btn.login{display:none}
  .side-top,.side-m{display:block}
  .menu-btn{display:inline-flex}
  .top .btn:not(.primary){display:none}
  .shell{grid-template-columns:minmax(0,1fr)}
  .side{position:fixed;top:60px;left:0;bottom:0;width:min(300px,86vw);height:auto;z-index:35;background:var(--bg);transform:translateX(-102%);transition:transform .25s cubic-bezier(.22,1,.36,1);border-right:1px solid var(--border)}
  body.nav-open .side{transform:none}
  body.nav-open::after{content:"";position:fixed;inset:60px 0 0;background:rgba(0,0,0,.28);z-index:30}
  .content{padding:32px 16px 72px}
}
@media (max-width:520px){
  .brand .tag{display:none}
  h2.h2{font-size:23px}
  .lead{font-size:17px}
  .step{grid-template-columns:minmax(0,1fr);gap:10px}
  .pager{flex-direction:column}
  .pager .nx{margin-left:0}
}