:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --bg:#E4E7E8; --surface:#F3F5F5; --paper:#FFFFFF; --ink:#1C262D; --muted:#56626B;
  --line:#C9CFD3; --chip:#D9DEE0; --accent:#F2B705; --accent-ink:#1C262D;
  --head:#1C262D; --head-ink:#F3F5F5; --head-muted:#A9B4BB;
  --ok:#1B7447; --warn:#A8500A; --bad:#B3261E;
  --ff:'Barlow',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --fc:'Barlow Condensed','Arial Narrow','Roboto Condensed',system-ui,sans-serif;
  --nav-h:56px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#12181C; --surface:#1B2329; --paper:#222C33; --ink:#E8ECEE; --muted:#9BA7AF;
    --line:#36434C; --chip:#2A353D; --accent:#F2B705; --accent-ink:#1C262D;
    --head:#0D1215; --head-ink:#E8ECEE; --head-muted:#8C99A1;
    --ok:#5DC591; --warn:#F0A04B; --bad:#F2857D;
  }
}
:root[data-theme="dark"]{
  --bg:#12181C; --surface:#1B2329; --paper:#222C33; --ink:#E8ECEE; --muted:#9BA7AF;
  --line:#36434C; --chip:#2A353D; --accent:#F2B705; --accent-ink:#1C262D;
  --head:#0D1215; --head-ink:#E8ECEE; --head-muted:#8C99A1;
  --ok:#5DC591; --warn:#F0A04B; --bad:#F2857D;
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--ff);font-size:16px;line-height:1.4;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3,p{margin:0}
.num{font-variant-numeric:tabular-nums}

/* Encabezado y navegación */
.head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--head);color:var(--head-ink);display:flex;align-items:center;gap:24px;padding:0 16px;min-height:52px}
.brand{font-family:var(--fc);font-weight:700;font-size:22px;letter-spacing:.01em;white-space:nowrap}
#sucBox{flex:0 1 auto;min-width:0}
#sucBox select{min-height:36px;padding:4px 8px;font-size:14px;background:var(--head);color:var(--head-ink);border-color:var(--head-muted);max-width:190px}
.suc-tag{font-size:13px;color:var(--head-muted);border:1px solid var(--head-muted);border-radius:3px;padding:2px 8px;white-space:nowrap}
.brand{min-width:0;overflow:hidden;text-overflow:ellipsis}
.acct{flex:none;background:none;border:1px solid var(--head-muted);color:var(--head-ink);border-radius:4px;min-height:36px;padding:0 12px;font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct[hidden],.nav.bottom[hidden]{display:none}
.nav{display:flex;gap:2px;margin-left:auto}
.nav button{background:none;border:0;color:var(--head-muted);padding:15px 14px 12px;border-bottom:3px solid transparent;font-weight:500}
.nav button[aria-current="page"]{color:var(--head-ink);border-bottom-color:var(--accent)}
main{max-width:1240px;margin:0 auto;padding:16px}
@media (max-width:999px){
  .head .nav{display:none}
  .head .acct{margin-left:auto}
  .nav.bottom{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--head);margin:0;padding-bottom:env(safe-area-inset-bottom,0px);gap:0;overflow-x:auto;scrollbar-width:none}
  .nav.bottom::-webkit-scrollbar{display:none}
  .nav.bottom button{flex:1 0 auto;padding:0 5px;height:var(--nav-h);font-family:var(--fc);font-weight:600;font-size:14px;letter-spacing:.01em;border-bottom:0;border-top:3px solid transparent;white-space:nowrap}
  .nav.bottom button[aria-current="page"]{border-top-color:var(--accent)}
  main{padding:12px 12px calc(var(--nav-h) + 84px)}
}
@media (min-width:1000px){ .nav.bottom{display:none} }

/* Piezas comunes */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid var(--ink);background:transparent;border-radius:4px;font-weight:500}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.danger{border-color:var(--bad);color:var(--bad)}
.btn.small{min-height:36px;padding:0 12px;font-size:14px}
.btn.block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
.link{background:none;border:0;padding:8px 0;color:var(--muted);text-decoration:underline}
input,select,textarea{width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--line);background:var(--paper);border-radius:4px}
input[type=number]{text-align:right}
textarea{resize:vertical;line-height:1.4;min-height:120px}
.fld{display:grid;gap:4px;font-size:13px;color:var(--muted)}
.fld > span{font-weight:500}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
@media (max-width:520px){ .grid4{grid-template-columns:repeat(2,1fr)} }
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input[type=search]{flex:1 1 220px}
.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;font-size:14px;min-height:36px}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:1px 7px;border-radius:3px;border:1px solid currentColor;white-space:nowrap}
.tag.ok{color:var(--ok)} .tag.warn{color:var(--warn)} .tag.bad{color:var(--bad)} .tag.mute{color:var(--muted)}
.empty{padding:40px 16px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--ink);font-size:18px;margin-bottom:4px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px}
.rows > *{display:grid;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:12px 14px}
.rows > *:last-child{border-bottom:0}
.rows > button:hover{background:var(--chip)}
.rows .hd{font-size:13px;color:var(--muted);font-weight:500;padding-top:8px;padding-bottom:8px}
.r{text-align:right}
.sub{font-size:13px;color:var(--muted)}
.note{font-size:14px;color:var(--muted);margin-top:12px}

/* Vender */
.venta{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.pick{min-width:0}
.artlist{display:grid;gap:6px;margin-top:10px}
.art{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:10px 12px;min-height:56px}
.art:hover{border-color:var(--ink)}
.art .nm{font-weight:500}
.art .pr{font-family:var(--fc);font-weight:600;font-size:22px;grid-row:1 / span 2;grid-column:2;text-align:right}
.art .pr small{display:block;font-family:var(--ff);font-size:12px;font-weight:400;color:var(--muted)}
.art .meta{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.art .inc{color:var(--accent-ink);background:var(--accent);border-radius:3px;padding:0 6px;font-weight:600}
.ticket{background:var(--paper);border-radius:0 0 6px 6px;box-shadow:0 14px 30px -18px rgba(28,38,45,.55)}
.ticket::before{content:"";display:block;height:10px;background:radial-gradient(circle at 8px 0,var(--bg) 5px,transparent 5.5px) 0 0/16px 10px repeat-x}
.tk{padding:8px 16px 16px;display:grid;gap:12px}
.tk h2{font-family:var(--fc);font-weight:700;font-size:26px}
.line{display:grid;grid-template-columns:1fr auto;gap:6px 8px;padding:10px 0;border-bottom:1px dashed var(--line)}
.line .nm{font-weight:500}
.line .imp{font-weight:600;text-align:right}
.line .ctl{grid-column:1 / -1;display:grid;grid-template-columns:92px 16px 108px 1fr 40px;gap:6px;align-items:center}
.line .ctl input{min-height:40px;padding:6px 8px}
.line .x{border:1px solid var(--line);background:none;border-radius:4px;min-height:40px}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--ink);border-radius:4px;overflow:hidden}
.seg button{border:0;background:none;min-height:42px;font-weight:500}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.total{display:flex;justify-content:space-between;align-items:baseline;border-top:2px solid var(--ink);padding-top:8px}
.total b{font-family:var(--fc);font-weight:700;font-size:44px;line-height:1}
.cambio{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.cambio output{font-family:var(--fc);font-weight:700;font-size:26px;text-align:right;padding-bottom:6px}
.cartbar{display:none}
@media (min-width:900px){
  .venta{grid-template-columns:minmax(0,1fr) 400px;align-items:start}
  .ticket{position:sticky;top:calc(env(safe-area-inset-top,0px) + 68px);max-height:calc(100dvh - 84px);overflow:auto}
  .artlist{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
  .tk .back{display:none}
}
@media (max-width:899px){
  .venta:not(.show-ticket) .ticket{display:none}
  .venta.show-ticket .pick{display:none}
  .cartbar{display:flex;position:fixed;left:12px;right:12px;bottom:calc(env(safe-area-inset-bottom,0px) + 12px);z-index:15;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:0 16px;border:0;border-radius:6px;background:var(--accent);color:var(--accent-ink);font-weight:600;box-shadow:0 8px 20px -8px rgba(0,0,0,.5)}
  .cartbar b{font-family:var(--fc);font-size:26px}
  .venta.show-ticket .cartbar,.cartbar[hidden]{display:none}
}
@media (min-width:900px) and (max-width:999px){ .ticket{max-height:calc(100dvh - 84px - var(--nav-h))} }
@media (max-width:999px){ .cartbar{bottom:calc(env(safe-area-inset-bottom,0px) + var(--nav-h) + 10px)} }

/* Listas */
.rem-row{grid-template-columns:86px minmax(0,1fr) auto}
.rem-row .tag{white-space:normal}
.rem-row .fo{font-family:var(--fc);font-weight:700;font-size:20px}
.rem-row .tt{font-weight:600;text-align:right}
.rem-row .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.inv-row{grid-template-columns:minmax(0,1fr) 110px 80px 100px 100px}
.cli-row{grid-template-columns:minmax(0,1fr) 90px 120px}
@media (max-width:640px){
  .inv-row{grid-template-columns:minmax(0,1fr) 96px 86px}
  .inv-row > :nth-child(3),.inv-row > :nth-child(4){display:none}
  .cli-row{grid-template-columns:minmax(0,1fr) 110px}
  .cli-row > :nth-child(2){display:none}
}

/* Diálogo */
dialog{width:min(720px,calc(100vw - 20px));max-height:92dvh;padding:0;border:0;border-radius:6px;background:var(--surface);color:var(--ink);overflow:auto}
dialog::backdrop{background:rgba(10,14,17,.6)}
.dh{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:1}
.dh h2{font-family:var(--fc);font-weight:700;font-size:26px}
.dh .x{border:0;background:none;font-size:26px;line-height:1;min-width:44px;min-height:44px}
.db{padding:16px;display:grid;gap:14px}
.df{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--line)}
.slip{background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:12px 14px}
.slip table{width:100%;border-collapse:collapse;font-size:15px}
.slip td,.slip th{padding:6px 4px;border-bottom:1px dashed var(--line);text-align:left;vertical-align:top}
.slip th{font-size:13px;color:var(--muted);font-weight:500}
.slip td.r,.slip th.r{text-align:right}
.slip tfoot td{border-bottom:0;font-weight:600}
.scroll-x{overflow-x:auto}
@media (max-width:480px){ .db{padding:12px} .slip{padding:8px} .slip table{font-size:14px} .slip td,.slip th{padding:6px 3px} }
.nw{white-space:nowrap}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:15px}
.kv dt{color:var(--muted)} .kv dd{margin:0}
.entrow{display:grid;grid-template-columns:minmax(0,1fr) 90px 110px 40px;gap:6px;align-items:center}
.entrow .x{border:1px solid var(--line);background:none;border-radius:4px;min-height:44px}
@media (max-width:520px){ .entrow{grid-template-columns:1fr 1fr 40px} .entrow select{grid-column:1 / -1} }

/* Reportes */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 14px}
.kpi b{display:block;font-family:var(--fc);font-weight:700;font-size:32px;line-height:1.1}
.kpi span{font-size:13px;color:var(--muted)}
@media (max-width:760px){ .kpis{grid-template-columns:1fr 1fr} }
.rep{display:grid;gap:16px}
@media (min-width:900px){ .rep{grid-template-columns:1fr 1fr} .rep .wide{grid-column:1 / -1} }
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px}
.card h3{font-size:16px;font-weight:600;margin-bottom:10px}
.bars{display:flex;align-items:flex-end;gap:3px;height:170px;border-bottom:1px solid var(--ink)}
.bars > div{flex:1;background:var(--ink);min-height:1px;border-radius:2px 2px 0 0}
.bars > div.z{background:var(--line)}
.axis{display:flex;gap:3px;font-size:11px;color:var(--muted);margin-top:4px}
.axis > span{flex:1;text-align:center;overflow:visible;white-space:nowrap}
.rank{display:grid;gap:8px}
.rank > div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;font-size:15px}
.rank .bar{grid-column:1 / -1;height:6px;background:var(--chip);border-radius:3px;overflow:hidden}
.rank .bar i{display:block;height:100%;background:var(--accent)}
.corte{display:grid;gap:6px;font-size:16px}
.corte > div{display:flex;justify-content:space-between;gap:12px}
.corte .sum{border-top:2px solid var(--ink);padding-top:8px;font-weight:600}
.corte .sum b{font-family:var(--fc);font-size:30px}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 150px);z-index:50;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:4px;max-width:calc(100vw - 32px);font-weight:500;box-shadow:0 8px 24px -8px rgba(0,0,0,.6)}
.toast[hidden]{display:none}
@media (prefers-reduced-motion:no-preference){ .art,.chip,.btn{transition:background-color .12s,border-color .12s} }

/* Acceso */
.auth{max-width:400px;margin:6vh auto 0}
.auth .tk{gap:14px}
.inv-row.m4{grid-template-columns:minmax(0,1fr) 110px 80px 100px}
@media (max-width:640px){
  .inv-row.m4{grid-template-columns:minmax(0,1fr) 96px 86px}
  .inv-row.m4 > :nth-child(4){display:block}
}

/* Impresión de remisiones y cotizaciones */
#print{display:none}
@media print{
  :root{padding:0 !important}
  html,body{background:#fff !important;min-height:0 !important;height:auto !important}
  body > *:not(#print){display:none !important}
  #print{display:block;color:#000;font-family:var(--ff);font-size:11pt;line-height:1.35}
  #print small{display:block;font-size:9pt;color:#333;font-weight:400}
  .pr-top{display:flex;justify-content:space-between;gap:16pt;border-bottom:2pt solid #000;padding-bottom:8pt;margin-bottom:10pt}
  .pr-biz{font-family:var(--fc);font-weight:700;font-size:21pt;line-height:1.1}
  .pr-doc{text-align:right;white-space:nowrap}
  .pr-doc b{display:block;font-family:var(--fc);font-weight:700;font-size:17pt;line-height:1.15}
  .pr-meta{display:flex;justify-content:space-between;gap:16pt;margin-bottom:10pt}
  .pr-der{text-align:right}
  #print table{width:100%;border-collapse:collapse}
  #print th{font-size:9pt;font-weight:600;text-align:left;border-bottom:1pt solid #000;padding:3pt 4pt}
  #print td{padding:4pt;border-bottom:.5pt solid #888;vertical-align:top}
  #print tr{break-inside:avoid}
  #print .r{text-align:right;white-space:nowrap}
  #print .pr-px{display:none}
  .pr-tot{margin:8pt 0 0 auto;width:48%;break-inside:avoid}
  .pr-tot div{display:flex;justify-content:space-between;gap:20pt;padding:1pt 4pt}
  .pr-tot .t{font-family:var(--fc);font-weight:700;font-size:18pt;border-bottom:2pt solid #000;margin-bottom:3pt}
  .pr-firma{margin-top:44pt;width:52%;border-top:.75pt solid #000;padding-top:3pt;font-size:9pt;break-inside:avoid}
  .pr-pie{margin-top:12pt;font-size:9pt;color:#333}
  .pr-cond{margin-top:16pt;padding-top:6pt;border-top:.5pt solid #888;font-size:8.5pt;line-height:1.3;break-inside:avoid}
  .pr-cond div{margin-top:1.5pt}
  .pr-cond .pr-fuerte{font-weight:700;color:#000;margin-top:5pt}
  .pr-cancel{display:inline-block;font-weight:700;font-size:14pt;border:2pt solid #000;padding:2pt 8pt;margin-bottom:8pt}
  #print.ticket80{width:72mm;font-size:9.5pt}
  #print.ticket80 .pr-top,#print.ticket80 .pr-meta{display:block}
  #print.ticket80 .pr-doc,#print.ticket80 .pr-der{text-align:left;margin-top:5pt;white-space:normal}
  #print.ticket80 .pr-biz{font-size:15pt}
  #print.ticket80 .pr-doc b{font-size:14pt}
  #print.ticket80 .c2,#print.ticket80 .c3{display:none}
  #print.ticket80 .pr-px{display:block}
  #print.ticket80 th,#print.ticket80 td{padding-left:0;padding-right:0}
  #print.ticket80 .pr-tot,#print.ticket80 .pr-firma{width:100%}
  #print.ticket80 .pr-tot .t{font-size:15pt}
}