*{box-sizing:border-box}
:root{
  --bg:#f6f7f9; --card:#fff; --ink:#1a1d21; --mut:#6b7280; --line:#e3e6ea;
  --acc:#1f4e79; --ok:#0f7b4f; --err:#b42318; --warn:#9a6700; --warnbg:#fff8e1;
}
body{margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--acc)}
header{background:var(--acc);color:#fff;padding:0 18px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
header .brand{font-weight:600;padding:13px 0;margin-right:auto;letter-spacing:.2px}
header nav{display:flex;gap:4px;flex-wrap:wrap}
header nav a{color:#cfe0f0;text-decoration:none;padding:13px 11px;border-bottom:3px solid transparent}
header nav a:hover{color:#fff}
header nav a.on{color:#fff;border-bottom-color:#ffd166}
header .who{font-size:12px;color:#cfe0f0;padding:13px 0}
main{max-width:1180px;margin:0 auto;padding:18px 16px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;
  padding:16px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:15px;font-weight:600}
.card h2 .sub{font-weight:400;color:var(--mut);font-size:12px;margin-left:8px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row>*{flex:1;min-width:230px}
form.rango{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
label{display:block;font-size:12px;color:var(--mut);margin-bottom:3px}
input,select{font:inherit;padding:7px 9px;border:1px solid var(--line);
  border-radius:6px;background:#fff;color:var(--ink);width:100%}
button{font:inherit;padding:7px 14px;border:0;border-radius:6px;background:var(--acc);
  color:#fff;cursor:pointer}
button:hover{filter:brightness(1.1)}
button.sec{background:#e8ebef;color:var(--ink)}
button.danger{background:#fbeae8;color:var(--err)}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--mut);font-weight:600}
td.n,th.n{text-align:right}
tbody tr:hover{background:#fafbfc}
tr.tot td{font-weight:600;border-top:2px solid var(--ink);background:#fafbfc}
.scroll{overflow-x:auto}
.kpi{display:flex;gap:12px;flex-wrap:wrap}
.kpi>div{flex:1;min-width:150px;background:var(--card);border:1px solid var(--line);
  border-radius:8px;padding:13px 15px}
.kpi .lab{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--mut)}
.kpi .val{font-size:23px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums}
.kpi .hint{font-size:11px;color:var(--mut);margin-top:2px}
.kpi .big{color:var(--acc)}
.pill{display:inline-block;padding:1px 8px;border-radius:99px;font-size:11px;
  border:1px solid var(--line);background:#f2f4f7;color:var(--mut)}
.pill.efectivo{background:#eaf6ef;color:var(--ok);border-color:#c9e7d6}
.pill.debito{background:#eaf1f8;color:var(--acc);border-color:#c9dcef}
.pill.credito{background:#f6eefc;color:#6b3fa0;border-color:#e3d3f2}
.pill.anulada{background:#fbeae8;color:var(--err);border-color:#f4cfcb}
.flash{padding:9px 13px;border-radius:6px;margin-bottom:12px;font-size:13px}
.flash.ok{background:#eaf6ef;color:var(--ok);border:1px solid #c9e7d6}
.flash.err{background:#fbeae8;color:var(--err);border:1px solid #f4cfcb}
.warn{background:var(--warnbg);border:1px solid #f0dca0;color:var(--warn);
  padding:11px 13px;border-radius:6px;font-size:13px;margin-bottom:12px}
.mut{color:var(--mut);font-size:12px}
.bar{height:16px;background:#eef1f4;border-radius:3px;overflow:hidden;min-width:90px}
.bar>span{display:block;height:100%;background:var(--acc)}
.login{max-width:330px;margin:12vh auto}
.login h1{font-size:18px;margin:0 0 4px}
.login p.mut{margin:0 0 18px}
.login .card>*+*{margin-top:12px}
.empty{text-align:center;color:var(--mut);padding:28px 0}
.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;
  background:#f2f4f7;border:1px solid var(--line);border-radius:6px;padding:10px 12px;
  color:#374151;white-space:pre-wrap}
@media(max-width:640px){header .brand{margin-right:0;width:100%;padding-bottom:0}
  .kpi .val{font-size:19px}}

.alerta{display:flex;gap:14px;align-items:center;justify-content:space-between;
  flex-wrap:wrap;background:#fdecea;border:1px solid #f4cfcb;color:var(--err);
  padding:12px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}
.alerta button{background:var(--err);white-space:nowrap}
.alerta .mut{color:#9a4b42}