:root{font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#1e293b;background:#f4f6f9;font-size:14px}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ffc1c3;outline-offset:1px}label{display:block;font-size:12px;font-weight:700;color:#475569;margin-bottom:12px}input,select,textarea{width:100%;background:white;border:1px solid #d7dee8;border-radius:9px;min-height:42px;padding:10px;margin-top:6px;color:#182231}textarea{min-height:74px}.hidden{display:none!important}h1,h2,h3,p{margin-top:0}h1{font-size:26px;letter-spacing:-.8px}h2{font-size:21px}h3{font-size:16px}p{line-height:1.5}small,.muted{color:#718096}.btn{border:1px solid #d4dce7;background:#fff;color:#1e293b;border-radius:9px;padding:10px 14px;font-weight:750;min-height:39px}.btn.dark{color:white;background:#1f2937;border-color:#1f2937}.btn.primary{color:#fff;background:#dd3d44;border-color:#dd3d44}.btn.danger{color:#b32432;border:1px solid #f0b9bf;background:#fff9f9}.btn.mini{padding:6px 9px;font-size:12px;min-height:30px}.btn:hover{filter:brightness(.97)}.btn.block{display:block;width:100%}.split{display:flex;justify-content:space-between;align-items:center;gap:12px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.stack{display:grid;gap:14px}.card{background:white;border-radius:13px;border:1px solid #e1e7ee;padding:18px;box-shadow:0 3px 14px #15223908}.card h3{margin-bottom:12px}.pill{background:#e5f7ee;color:#137747;border-radius:20px;padding:6px 9px;font-size:11px;font-weight:800}.pill.warn{background:#fef3d9;color:#9b630d}.pill.gray{background:#eef1f5;color:#566273}.num{font-size:24px;font-weight:900;letter-spacing:-.6px}.caption{font-size:12px;color:#778495}.login{max-width:400px;margin:min(13vh,110px) auto;padding:16px}.login .card{padding:27px}.logo{display:inline-flex;align-items:center;gap:9px;color:#fff;font-size:18px;font-weight:950;letter-spacing:1.3px}.logo .symbol{border-radius:10px;background:#273447;padding:11px;color:#f14a50}.logo.dark{color:#1b2638}.login .logo{margin-bottom:22px}.app{display:flex;min-height:100vh}.sidebar{width:225px;background:#192332;color:white;padding:24px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}.sidebar .logo{padding:5px 10px 25px}.nav{display:grid;gap:5px}.nav button{border:0;background:transparent;color:#abb9cd;text-align:left;border-radius:9px;padding:12px 13px;font-weight:750}.nav button.active,.nav button:hover{background:#d83e46;color:#fff}.nav button span{font-size:17px;margin-right:9px}.sidefoot{margin-top:auto;border-top:1px solid #394354;padding:16px 6px;color:#96a5b8;font-size:12px}.sidefoot strong{display:block;color:white;margin-bottom:4px}.main{flex:1;min-width:0}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;background:white;padding:21px 30px;border-bottom:1px solid #e4e8ee}.top h1{font-size:23px;margin:0}.top .eyebrow{font-size:10px;color:#d13c45;letter-spacing:1.5px;font-weight:950;margin-bottom:6px}.top select{width:auto;min-width:125px}.view{padding:24px 30px 90px;max-width:1500px;margin:0 auto}.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:15px 0}.kpi .card{padding:15px}.kpi .num{margin-top:8px}.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid #edf0f4;padding:12px 9px;font-size:12px}th{background:#f8fafc;color:#738095;font-size:11px;font-weight:800}td{vertical-align:middle}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}.toolbar h2{margin:0}.toolbar p{margin:5px 0 0;color:#718096;font-size:12px}.pos{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,345px);gap:14px;align-items:start}.productgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-top:14px}.product{border:1px solid #e1e6ee;border-radius:12px;padding:15px;background:white;text-align:left;min-height:132px;display:grid;gap:7px;align-content:start}.product:hover{border-color:#d33d45}.product strong{font-size:14px}.product .price{font-weight:950;font-size:18px}.product .meta{font-size:11px;color:#778495}.cart{position:sticky;top:10px}.cartrow{padding:13px 0;border-bottom:1px solid #edf0f3}.cartrow .qty{display:flex;gap:5px;align-items:center}.cartrow .qty input{width:72px;margin:0;min-height:33px;text-align:center;padding:4px}.cartrow .qty button{background:#202a3a;border:0;border-radius:6px;color:white;font-weight:900;min-width:31px;min-height:31px}.paymethods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.paymethods button{font-size:11px;border:1px solid #cbd5e1;background:#f8fafc;border-radius:8px;padding:10px 4px;font-weight:750}.paymethods button.active{background:#202938;color:white}.empty{text-align:center;padding:34px 10px;color:#8993a2}.footnav{display:none}.modalback{position:fixed;inset:0;background:#0e1824bb;display:grid;place-items:center;padding:14px;z-index:30}.modal{width:min(570px,100%);background:#fff;border-radius:15px;padding:22px;max-height:93vh;overflow-y:auto}.modalhead{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:15px}.modalhead h2{margin:0}.receipt{max-width:310px;margin:auto;border:1px dashed #777;padding:16px;font:12px 'Courier New',monospace;color:#151515}.receipt h3{text-align:center;font:900 16px 'Courier New',monospace}.receipt hr{border:0;border-top:1px dashed #444;margin:14px 0}.receipt .rr{display:flex;justify-content:space-between;gap:8px;margin:7px 0}.receipt .rr span:first-child{flex:1}#notice{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#1f2937;color:white;border-radius:9px;padding:12px 18px;box-shadow:0 10px 40px #0003;z-index:50;display:none;max-width:85vw;font-size:12px}#notice.bad{background:#bd2936}.print-only{display:none}.off{color:#ac2936}.good{color:#178052}
@media(max-width:960px){.sidebar{width:180px}.top,.view{padding-left:17px;padding-right:17px}.pos{grid-template-columns:minmax(0,1fr) 295px}.kpi{grid-template-columns:repeat(2,1fr)}}
@media(max-width:690px){.app{display:block}.sidebar{display:none}.top{padding:14px 13px}.top h1{font-size:19px}.top .row{gap:5px}.top select{max-width:135px;min-width:95px;font-size:11px}.view{padding:14px 12px 85px}.pos{grid-template-columns:1fr}.cart{position:static}.productgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid,.grid3{grid-template-columns:1fr}.kpi{grid-template-columns:repeat(2,1fr)}.kpi .num{font-size:20px}.footnav{display:flex;position:fixed;bottom:0;left:0;right:0;justify-content:space-around;align-items:stretch;background:#fff;border-top:1px solid #d8e0e9;z-index:10;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}.footnav button{border:0;background:transparent;color:#64748b;font-size:10px;font-weight:850;display:grid;gap:4px;justify-items:center;padding:5px 7px}.footnav button.active{color:#db3c45}.footnav button span{font-size:18px}}
@media print{body *{visibility:hidden!important}.receipt,.receipt *{visibility:visible!important}.receipt{position:absolute;top:0;left:0;width:80mm;max-width:80mm;border:0;padding:2mm}.modalback{background:white!important}.modal{overflow:visible;max-height:none;box-shadow:none}body{background:white}@page{size:80mm auto;margin:0}}
/* V14: flujos avanzados de mostrador */
.v14-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:9px}
.v14-actions button{white-space:normal;min-height:39px}
.v14-actions button:last-child{grid-column:1 / -1}
.order-check{display:flex;align-items:center;gap:9px;margin:13px 0}
.order-check input{width:auto;min-width:auto;margin:0}
textarea{font:inherit;width:100%;min-height:65px;padding:10px;border:1px solid #dce3ed;border-radius:9px;color:#253047;background:white;resize:vertical}
tr[hidden]{display:none!important}
@media(max-width:650px){.v14-actions{grid-template-columns:1fr}.v14-actions button:last-child{grid-column:auto}}

/* V15: categorias visuales, sin fusionar productos o variantes */
.category-tabs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 14px;padding:2px 0 5px}
.category-tab{border:1px solid #d9e0eb;border-radius:999px;background:#fff;color:#344157;padding:10px 14px;font-weight:800;min-height:40px;line-height:1.2}
.category-tab span{display:inline-block;font-size:10px;padding:2px 6px;margin-left:5px;background:#f1f3f7;color:#697789;border-radius:999px}
.category-tab.active{color:white;background:#202a39;border-color:#202a39}
.category-tab.active span{background:#495669;color:#fff}
.category-tab:hover{border-color:#e54b57}
.category-small{font-size:11px;font-weight:800;padding:5px 8px;border-radius:7px;color:#6e4050;background:#fff1f3;display:inline-block;max-width:100%;overflow-wrap:anywhere}
.v15-product{min-height:166px;gap:9px;box-shadow:0 2px 10px rgba(20,33,56,.04);text-align:left;transition:border-color .15s ease,box-shadow .15s ease}
.v15-product:hover{border-color:#e64b54;box-shadow:0 7px 20px rgba(20,33,56,.1)}
.v15-product strong{display:block;font-size:15px;line-height:1.35;color:#162235;overflow-wrap:anywhere}
.v15-product .price{font-weight:900;color:#192737;font-size:23px}
.v15-product .meta{font-size:11px;line-height:1.3;color:#66748b}
.v15-product .add-hint{font-size:11px;font-weight:900;color:#db3947;margin-top:auto}
.category-manage-list{margin-top:15px;display:grid;gap:7px;max-height:270px;overflow:auto}
.category-manage-item{display:flex;gap:12px;align-items:center;justify-content:space-between;border:1px solid #e5e9f0;border-radius:10px;padding:10px}
.category-manage-item strong{flex:1;min-width:100px;overflow-wrap:anywhere}
@media(max-width:690px){.category-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x proximity}.category-tab{white-space:nowrap;flex-shrink:0;scroll-snap-align:start}.category-manage-item{flex-wrap:wrap}.productgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* V16: diseño de tickets independiente para cada negocio */
.settings-layout{display:grid;grid-template-columns:minmax(300px,1.15fr) minmax(280px,.85fr);gap:18px;align-items:start}
.setting-switch{display:flex;align-items:center;gap:12px;font-size:14px;color:#223047;line-height:1.3;margin:16px 0 9px;cursor:pointer}
.setting-switch input{width:19px;min-height:19px;height:19px;margin:0;flex-shrink:0;accent-color:#db3c45}
.receipt-head{text-align:center;margin-bottom:12px;overflow-wrap:anywhere;white-space:pre-line}
.receipt-head h3{margin:7px 0 5px;font-size:14px;line-height:1.25}
.receipt-logo{max-width:100%;width:auto;max-height:90px;object-fit:contain;display:block;margin:0 auto 7px;filter:grayscale(1)}
.receipt-kind{font-size:13px;text-align:center;font-weight:900;margin:8px 0}
.receipt-center,.receipt-foot{text-align:center;overflow-wrap:anywhere;line-height:1.45}
.receipt-foot{margin:8px 0 0;font-size:11px;white-space:pre-line}
.receipt-58{max-width:218px;font-size:10px;padding:10px}
.receipt-58 .receipt-logo{max-height:65px}
.receipt-58 .receipt-head h3{font-size:12px}
.receipt-58 .receipt-kind{font-size:11px}
@media(max-width:830px){.settings-layout{grid-template-columns:1fr}}
@media print{
 @page{size:auto;margin:0}
 .receipt{box-sizing:border-box;min-height:0;max-width:none;border:0;padding:2mm;margin:0;position:absolute;top:0;left:0}
 .receipt-80{width:80mm}
 .receipt-58{width:58mm}
 .receipt-logo{break-inside:avoid;max-height:25mm}
 .receipt-58 .receipt-logo{max-height:18mm}
}

/* V17: IVA adicional opcional cuando los precios se acordaron antes como +IVA */
.vat-option{display:flex;gap:9px;align-items:center;margin:15px 0 3px;font-weight:700;font-size:13px;color:#1b2533;padding:10px 11px;border:1px solid #dde3ea;border-radius:10px;background:#f8fafc;cursor:pointer}.vat-option input{accent-color:#e73d4b;width:17px;height:17px;flex:0 0 auto}
#cartBaseRow,#cartVatRow{font-size:13px;margin:7px 0;color:#465469}#cartVatRow{margin-bottom:10px}

/* V19: denominaciones agrupadas por tipo para el conteo ciego. */
.count-register-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:12px}
.count-denom-group{border:1px solid #dfe6ee;border-radius:12px;padding:13px;background:#fbfcfd}
.count-denom-group h4{font-size:15px;margin:0 0 12px;color:#1d2939}
.count-denom-group label{display:block;margin-bottom:11px;font-size:13px;font-weight:600}
.count-denom-group label input{display:block;width:100%;margin-top:5px}
@media(max-width:600px){.count-register-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.count-denom-group{padding:8px}}

/* V20: filtros e impresión de reportes periódicos, independiente de tickets térmicos */
.report-controls{margin-bottom:14px}
.report-filters{align-items:end;margin-top:14px;gap:10px}
.report-filters label{min-width:165px;max-width:220px;margin:0}
.report-filters input{min-height:39px}
.report-controls .caption{margin-top:9px}
@media(max-width:690px){.report-filters label{max-width:none;flex:1 1 130px;min-width:120px}.report-filters button{flex:1 1 auto}.report-controls .row{gap:7px}}

/* V21 — menú lateral móvil accesible. Diseño de escritorio sin cambios. */
.mobile-menu-button,.mobile-close-btn,.mobile-sidebar-head,.mobile-menu-overlay{display:none}
@media (max-width:690px){
  body.mobile-menu-locked{overflow:hidden}
  .app{display:block}
  .sidebar{
    display:flex;position:fixed;top:0;bottom:0;left:0;
    width:min(84vw,320px);height:100vh;height:100dvh;
    padding:15px 13px max(15px,env(safe-area-inset-bottom));
    z-index:61;transform:translateX(-103%);visibility:hidden;
    pointer-events:none;box-shadow:13px 0 40px rgba(0,0,0,.15);
    transition:transform .23s ease,visibility .23s;
    border-radius:0 15px 15px 0;
  }
  .app.mobile-menu-open .sidebar{transform:translateX(0);visibility:visible;pointer-events:auto}
  .mobile-menu-overlay{
    display:block;position:fixed;inset:0;border:0;margin:0;padding:0;
    z-index:60;background:rgba(12,22,38,.55);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .23s ease,visibility .23s;
  }
  .app.mobile-menu-open .mobile-menu-overlay{opacity:1;visibility:visible;pointer-events:auto}
  .desktop-sidebar-logo{display:none}
  .mobile-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 13px}
  .mobile-sidebar-head .logo{padding:0 0 0 5px;font-size:17px;letter-spacing:1px}
  .mobile-close-btn{display:inline-flex;align-items:center;justify-content:center;
    color:white;background:#344054;border:1px solid #465267;border-radius:10px;
    min-width:44px;min-height:44px;font-size:27px;line-height:1}
  .sidebar .nav{display:flex;flex-direction:column;gap:5px;flex:1;min-height:0;overflow-y:auto;
    overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:10px}
  .sidebar .nav button{display:flex;align-items:center;gap:10px;min-height:46px;font-size:14px;padding:10px 12px;flex:0 0 auto}
  .sidebar .nav button span{width:22px;flex:0 0 22px;text-align:center;margin:0}
  .sidebar .sidefoot{flex:0 0 auto;margin-top:0;padding-top:13px;padding-bottom:5px}
  .top{display:grid;grid-template-columns:minmax(0,1fr);gap:8px;padding:11px 13px 12px;
    position:sticky;top:0;z-index:15;box-shadow:0 1px 4px #0f172a0b}
  .mobile-title-row{display:flex;align-items:center;gap:11px;min-width:0}
  .mobile-title-row > div{min-width:0}
  .mobile-menu-button{display:inline-flex;align-items:center;justify-content:center;
    flex:0 0 44px;height:44px;color:#1f2937;background:#f4f6f9;
    border:1px solid #d7dee8;border-radius:10px;font-size:24px;line-height:1}
  .top h1{font-size:19px;line-height:1.2;margin:0}
  .top .eyebrow{font-size:9px;letter-spacing:1.15px;margin-bottom:3px}
  .top .header-controls{display:flex;gap:8px;flex-wrap:nowrap;width:100%;margin:0}
  .top .header-controls select{flex:1 1 0;min-width:0;max-width:none;font-size:13px;
    min-height:44px;margin:0;padding:8px 10px}
  .top .header-controls .pill,.top .header-controls [data-logout]{display:none}
  input,select,textarea{font-size:16px}
  .view{padding:15px 12px calc(22px + env(safe-area-inset-bottom))}
  .pos{grid-template-columns:minmax(0,1fr)}
  .pos > section{min-width:0;max-width:100%}
  .category-tabs{max-width:100%;min-width:0}
  .footnav{display:none!important}
  .category-tabs{scrollbar-width:none;overscroll-behavior-x:contain;touch-action:pan-x}
  .category-tabs::-webkit-scrollbar{display:none}
  .category-tab{min-height:44px}
  .v15-product{padding:12px;min-height:152px}
  .cartrow .qty button,.cartrow .qty input{min-height:42px}
  .paymethods button{min-height:44px}
}
@media (prefers-reduced-motion:reduce){
 .sidebar,.mobile-menu-overlay{transition:none!important}
}

/* V22: historial y usuarios cómodos en teléfono y computadora */
.sales-filters{margin-bottom:14px}
.sales-filters > .row{margin-bottom:12px;gap:7px}
.sales-filter-grid{display:grid;grid-template-columns:repeat(4,minmax(135px,1fr)) auto;gap:9px;align-items:end}
.sales-filter-grid label{margin:0}
.sales-filter-grid .btn{min-height:42px}
.sale-pages{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:14px}
.sales-filters .btn{white-space:normal}
@media(max-width:960px){.sales-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sales-filter-grid .btn{grid-column:1/-1}}
@media(max-width:690px){.sales-filters{padding:12px}.sales-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sales-filters > .row .btn{flex:1 1 auto;min-height:42px}.sale-pages{justify-content:space-between}.tablewrap{overflow-x:auto;max-width:100%}.sales-filter-grid input,.sales-filter-grid select{min-width:0}}