*{box-sizing:border-box}
:root{--p:#0b7a5c;--p2:#e7f4ef;--b:#dfe3e8;--t:#1d2733;--m:#6b7785;--r:#c0392b;--bg:#f5f7f9}
body{margin:0;font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--t);background:var(--bg)}
header{display:flex;align-items:center;gap:18px;padding:0 16px;background:var(--p);color:#fff;min-height:52px;flex-wrap:wrap}
header nav{display:flex;gap:2px;flex:1;flex-wrap:wrap}
header nav a{color:#fff;text-decoration:none;padding:15px 12px;opacity:.85}
header nav a.on,header nav a:hover{opacity:1;background:rgba(255,255,255,.15)}
header .who{font-size:13px}header .who a{color:#fff}
main{padding:16px;max-width:1400px;margin:0 auto}
h2{margin:.2em 0 .6em}h3{margin:.2em 0 .7em;font-size:16px}
a{color:var(--p)}
.card{background:#fff;border:1px solid var(--b);border-radius:10px;padding:16px;margin-bottom:16px}
.narrow{max-width:420px;margin:30px auto}.wide{max-width:760px}
.login{max-width:360px;margin:60px auto}
label{display:block;margin-bottom:10px;font-size:13px;color:var(--m)}
input,select{display:block;width:100%;margin-top:4px;padding:9px 10px;border:1px solid var(--b);border-radius:7px;font:inherit;color:var(--t);background:#fff}
input:focus,select:focus{outline:2px solid var(--p);border-color:var(--p)}
input[type=checkbox],input[type=radio]{display:inline;width:auto;margin:0 6px 0 0}
.chk{color:var(--t);font-size:14px}
.btn{display:inline-block;background:var(--p);color:#fff;border:0;border-radius:7px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;text-align:center}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5}
.btn.sec{background:#fff;color:var(--t);border:1px solid var(--b)}
.btn.danger{background:var(--r)}
.btn.big{width:100%;font-size:20px;padding:16px;margin:14px 0 8px}
.link{background:none;border:0;color:var(--p);cursor:pointer;font:inherit;padding:0;text-decoration:underline}
.link.danger{color:var(--r)}
.row{display:flex;gap:8px;align-items:end;flex-wrap:wrap}.row label{margin:0}
.bar{display:flex;justify-content:space-between;gap:10px;align-items:end;margin-bottom:12px;flex-wrap:wrap}
.search{display:flex;gap:8px;flex:1;max-width:720px}.search input,.search select{margin:0}.search select{max-width:220px}
.tbl{width:100%;border-collapse:collapse;background:#fff}
.tbl th{text-align:left;font-size:12px;color:var(--m);font-weight:600;border-bottom:2px solid var(--b);padding:8px}
.tbl td{border-bottom:1px solid var(--b);padding:7px 8px;vertical-align:top}
.r{text-align:right}.c{text-align:center}.small{font-size:13px}.muted{color:var(--m)}.pad{padding:14px}
.neg{color:var(--r);font-weight:600}.pos{color:var(--p)}
.cancel td{color:#999;text-decoration:line-through}.cancel td b{text-decoration:none}
.tag{display:inline-block;font-size:11px;background:#fdecea;color:var(--r);border-radius:4px;padding:1px 6px;font-weight:600}
.tag.s{background:var(--p2);color:var(--p)}
.flash{background:var(--p2);border:1px solid #b8dfd0;padding:10px 14px;border-radius:8px;margin-bottom:14px}
.err{background:#fdecea;color:var(--r);padding:10px;border-radius:7px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}
.form2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.form2 .full{grid-column:1/-1}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.kpis .card{display:flex;flex-direction:column;gap:2px;margin:0 0 12px}.kpis b{font-size:22px}.kpis small{color:var(--m)}
.tabs{display:flex;gap:4px}.tabs a{padding:8px 14px;border-radius:7px;text-decoration:none;color:var(--t);background:#fff;border:1px solid var(--b)}
.tabs a.on{background:var(--p);color:#fff;border-color:var(--p)}
code{background:#f0f2f4;padding:2px 5px;border-radius:4px;font-size:12px}
/* POS */
.pos{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start}
.scan input{font-size:20px;padding:14px;margin:0 0 8px}
.res{display:flex;flex-direction:column;background:#fff;border-radius:8px;margin-bottom:8px;max-height:340px;overflow:auto}
.item{display:flex;justify-content:space-between;gap:10px;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--b);padding:10px 12px;font:inherit;cursor:pointer}
.item:hover,.item:focus{background:var(--p2);outline:none}
.qty{width:80px;display:inline;margin:0;text-align:right;padding:6px}
.x{background:none;border:0;color:var(--r);font-size:16px;cursor:pointer}
.side{position:sticky;top:12px}
.total{font-size:44px;font-weight:700;color:var(--p);line-height:1.1}
.last{background:#fff8e1;border:1px solid #f1d98a;padding:10px 14px;border-radius:8px;margin-bottom:8px}.last .big{font-size:20px}
dialog{border:0;border-radius:12px;padding:22px;width:min(440px,94vw);box-shadow:0 10px 40px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(0,0,0,.4)}
.metodos{display:flex;gap:8px;margin-bottom:12px}
.metodos label{flex:1;border:1px solid var(--b);border-radius:7px;padding:10px;color:var(--t);margin:0;cursor:pointer;font-size:14px}
.metodos label:has(input:checked){border-color:var(--p);background:var(--p2)}
#recibido{font-size:24px}
.cambio{font-size:20px;margin:6px 0 14px}
fieldset{border:1px solid #f3c3bd;border-radius:8px;margin:0 0 14px}legend{color:var(--r);font-size:13px;font-weight:600}
dialog .row{justify-content:flex-end}
@media(max-width:800px){.pos{grid-template-columns:1fr}.side{position:static}.form2{grid-template-columns:1fr}header nav a{padding:10px 8px}}
@media print{header,.no-print{display:none!important}body{background:#fff}main{padding:0}.card{border:0}}