:root{--bg:#f4f6f9;--card:#fff;--ink:#1c2733;--mute:#66758a;--line:#dde3ea;--navy:#183250;--accent:#a15822;--ok:#1f7a4d;--err:#b3261e}
@media (prefers-color-scheme:dark){:root{--bg:#0f1720;--card:#17212d;--ink:#e6ecf2;--mute:#93a3b5;--line:#2a3846;--navy:#0c1a2b;--accent:#d98a4a;--ok:#46c08a;--err:#ff8a80}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,Segoe UI,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.top{display:flex;align-items:center;gap:12px;background:var(--navy);color:#fff;padding:10px 16px;position:sticky;top:0;z-index:5}
.top a{color:#fff}.brand{font-weight:700;letter-spacing:.08em}.brand span{color:#e9a566}
.who{margin-left:auto;display:flex;gap:14px;font-size:13px;flex-wrap:wrap;justify-content:flex-end}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:20px}
.layout{display:flex;min-height:calc(100vh - 46px)}
.side{width:210px;background:var(--card);border-right:1px solid var(--line);padding:12px 8px;flex-shrink:0}
.side a{display:block;padding:6px 10px;border-radius:6px;color:var(--ink)}.side a:hover{background:var(--bg);text-decoration:none}
.side h4{margin:14px 10px 4px;font-size:11px;text-transform:uppercase;color:var(--mute);letter-spacing:.08em}
main{flex:1;padding:20px;max-width:1200px;min-width:0}
main.center{max-width:420px;margin:8vh auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:0 0 10px}
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.bar .grow{flex:1}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink);font:inherit}
textarea{min-height:80px}input[type=checkbox]{width:auto}
.btn,button.btn{display:inline-block;background:var(--navy);color:#fff;border:0;border-radius:6px;padding:8px 14px;cursor:pointer;font:inherit}
.btn:hover{text-decoration:none;opacity:.9}.btn.alt{background:var(--card);color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--err)}
table{width:100%;border-collapse:collapse;background:var(--card)}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;color:var(--mute)}.tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px 16px}
.grid label{display:block;font-size:12px;color:var(--mute);margin-bottom:3px}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px 24px}.kv b{display:block;font-size:12px;color:var(--mute);font-weight:500}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;background:#e5f4ec;color:#14532d}.flash.error,.err{background:#fde8e6;color:var(--err)}
.err{padding:10px 14px;border-radius:8px;margin-bottom:12px}
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:16px}.kpi{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px}.kpi b{font-size:26px;display:block}
.pill{display:inline-block;padding:1px 8px;border-radius:99px;background:var(--bg);border:1px solid var(--line);font-size:12px}
.mute{color:var(--mute)}.right{text-align:right}.pager{display:flex;gap:10px;align-items:center;margin-top:12px}
code{font-size:12px}pre.chg{white-space:pre-wrap;margin:0;font-size:12px}
/* pantallas de acceso: tarjeta oscura sobre el fondo tecnológico */
body.anon{--card:rgba(14,26,44,.88);--ink:#e6ecf2;--mute:#93a3b5;--line:#2a3846;--accent:#e08a45;--bg:#0a1420}
body.anon .card{backdrop-filter:blur(4px);border-color:#2a3846}
body.anon .btn{background:#e08a45;color:#0a1420;font-weight:600}
body.anon .err{background:rgba(255,138,128,.12)}
@media(max-width:800px){.menu-btn{display:block}.side{display:none;position:fixed;top:46px;bottom:0;left:0;z-index:4}.nav-open .side{display:block}main{padding:14px}}

/* acceso: contenido centrado, logo sobre panel claro, QR ajustado a su caja */
body.anon main.center{max-width:440px;text-align:center}
body.anon .card{text-align:center}
body.anon .card label{text-align:left;display:block}
body.anon input{text-align:center}
body.anon input[type=email],body.anon input[type=password]{text-align:left}
.logo-box{background:#fff;border-radius:14px;padding:14px 22px;margin:0 auto 18px;width:max-content;max-width:100%;box-shadow:0 0 40px rgba(224,138,69,.25)}
.logo-box img{display:block;width:200px;max-width:100%;height:auto}
.qr{background:#fff;padding:10px;border-radius:10px;width:230px;max-width:100%;margin:0 auto 12px}
.qr svg{display:block;width:100%;height:auto}
.brand{display:flex;align-items:center;gap:8px}.brand-ico{height:26px;width:26px}
code{word-break:break-all}