:root{
  --bg:#faf6f0;--card:#fff;--ink:#2b2118;--muted:#7a6a5b;--line:#e6dccf;
  --brand:#0b7a3b;--brand-ink:#fff;--accent:#f7941e;--ok:#2f7d4f;--err:#b3382c;--warn:#b7791f;
  --radius:10px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#1d1812;--card:#272019;--ink:#f1e9df;--muted:#b0a191;--line:#3b3228;--brand:#3fcf7d;--brand-ink:#10231a;--accent:#f7941e;--ok:#6cc08f;--err:#ef7a6e;--warn:#e0b25c}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}
.top{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1rem;padding:.4rem 1rem;background:var(--card);border-bottom:4px solid var(--accent)}
.top a{text-decoration:none}
.brand{display:flex;align-items:center;background:#fff;border-radius:10px;padding:2px 6px}
.brand img{height:46px;width:auto;display:block}
.top nav{display:flex;flex-wrap:wrap;gap:.25rem;flex:1}
.top nav a{padding:.4rem .75rem;border-radius:999px;color:var(--ink)}
.top nav a:hover{background:var(--bg)}
.top nav a.on{background:var(--accent);color:#2b2118;font-weight:700}
.who{font-size:.85rem;color:var(--muted)}
.who a{color:var(--brand)}
main{max-width:1100px;margin:0 auto;padding:1rem}
h1{font-size:1.4rem;margin:.2rem 0 1rem}
h2{font-size:1.1rem;margin:0 0 .7rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-bottom:1rem}
.narrow{max-width:420px;margin:2rem auto}
.logo-login{display:block;width:210px;max-width:70%;margin:0 auto 1rem;background:#fff;border-radius:12px}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.stat .n{font-size:1.5rem;font-weight:700}
.stat .l{color:var(--muted);font-size:.85rem}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.7rem}
input,select,textarea{display:block;width:100%;margin-top:.2rem;padding:.6rem .7rem;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0}
input[type=checkbox]{display:inline-block;width:auto;margin-right:.4rem}
.btn{display:inline-block;padding:.65rem 1.1rem;font:inherit;font-weight:600;color:var(--brand-ink);background:var(--brand);border:0;border-radius:8px;text-decoration:none;cursor:pointer}
.btn.sec{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn.danger{background:var(--err);color:#fff}
.btn.small{padding:.3rem .65rem;font-size:.85rem}
.flash{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;background:rgba(47,125,79,.14);border:1px solid var(--ok)}
.flash.err{background:rgba(179,56,44,.12);border-color:var(--err)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:.45rem .55rem;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
tr.tot td{font-weight:700;border-top:2px solid var(--line)}
.debe{color:var(--err);font-weight:600}
.haber{color:var(--ok);font-weight:600}
.muted{color:var(--muted)}
.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.row.between{justify-content:space-between}
.prod-row{display:grid;grid-template-columns:1fr 90px 90px 90px;gap:.5rem;align-items:center;padding:.35rem 0;border-bottom:1px solid var(--line)}
.prod-row.head{font-size:.75rem;color:var(--muted);text-transform:uppercase;border-bottom:2px solid var(--line)}
.prod-row input{margin:0;text-align:right}
.prod-row .pu,.prod-row .lt{text-align:right;font-variant-numeric:tabular-nums;font-size:.9rem}
.summary{background:var(--bg);border-radius:8px;padding:.7rem 1rem;margin:.8rem 0}
.summary div{display:flex;justify-content:space-between;padding:.15rem 0}
.summary .big{font-size:1.2rem;font-weight:700}
.two{display:grid;gap:.7rem;grid-template-columns:1fr 1fr}
.mes-nav{display:flex;gap:.5rem;align-items:center;margin-bottom:1rem}
.mes-nav form{margin:0}.mes-nav input{margin:0;width:auto}
.tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.tabs a{padding:.4rem .8rem;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.tabs a.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
@media (max-width:560px){
  .top{padding:.4rem .7rem;gap:.3rem .6rem}
  .brand img{height:38px}
  .who{margin-left:auto}
  .top nav{order:3;flex:0 0 100%;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:.3rem;padding-bottom:.2rem}
  .top nav a{white-space:nowrap;padding:.45rem .8rem}
  main{padding:.7rem}
  .prod-row{grid-template-columns:1fr 78px 78px}
  .prod-row .pu{display:none}
  .prod-row.head .pu{display:none}
  .two{grid-template-columns:1fr}
}
@media print{.top,.mes-nav,.btn{display:none}body{background:#fff;color:#000}.card{border:0}}
[hidden]{display:none!important}