:root{--bg:#f6f7fb;--card:#fff;--text:#1d2433;--dim:#5b6476;--line:#e3e6ee;--accent:#2563eb;--callout:#eef3ff}
@media (prefers-color-scheme:dark){:root{--bg:#070818;--card:#10132a;--text:#e6e8f2;--dim:#9aa3b8;--line:#232849;--accent:#8db4ff;--callout:#151b3d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:760px;margin:0 auto;padding:28px 16px 64px}
header{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
header img{border-radius:12px;flex:none}
header>div{flex:1;min-width:0}
.eyebrow{margin:0;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
h1{margin:2px 0 0;font-size:28px;line-height:1.2}
h2{margin:36px 0 10px;font-size:19px;scroll-margin-top:16px}
.lang{font-size:14px;color:var(--dim)}
.meta{color:var(--dim);font-size:14px;margin:14px 0 0}
.lead{font-size:17px}
a{color:var(--accent)}
.toc{display:grid;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:18px 0 8px}
.toc a{text-decoration:none}
section{border-top:1px solid var(--line)}
ul{padding-left:22px}
li{margin:6px 0}
.callout{background:var(--callout);border-left:3px solid var(--accent);border-radius:8px;padding:10px 14px}
table{width:100%;border-collapse:collapse;font-size:15px;background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--dim)}
footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--line)}
@media (max-width:520px){h1{font-size:24px}table{font-size:14px}th,td{padding:8px}}
/* Página de la app (/app) */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 18px 8px;margin:18px 0}
.dl{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:56px;margin:4px 0 10px;border-radius:16px;background:linear-gradient(135deg,#1e3a8a,#2563eb 55%,#60a5fa);color:#fff;font-weight:700;font-size:18px;text-decoration:none;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.dl small{font-weight:500;opacity:.85;font-size:14px}
.sub{color:var(--dim);font-size:14px;margin:0 0 10px;text-align:center}
ol.steps{padding-left:0;list-style:none;counter-reset:s}
ol.steps>li{counter-increment:s;position:relative;padding-left:42px;margin:14px 0}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--bg);font-weight:700;font-size:15px;display:grid;place-items:center}
.hash{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;color:var(--dim)}
.tag{display:inline-block;font-size:13px;font-weight:600;padding:2px 10px;border-radius:999px;background:var(--callout);color:var(--accent)}
[hidden]{display:none!important}