:root{
  --bg:#f3f5f7;--panel:#fff;--text:#1d2b2f;--muted:#64737a;--line:#e1e6ea;
  --accent:#ef6a1f;--accent-dark:#b8480c;--accent-deep:#9a3b08;--accent-soft:#fdeee3;   /* 19-10: botones y paneles con texto blanco usan accent-dark (5,3:1) */--lime:#9fbf2f;--lime-soft:#f1f6df;
  --danger:#c0392b;--danger-soft:#fbe9e7;--warn:#b7791f;--warn-soft:#fdf3dd;--info-soft:#e7eef7;
  --radius:10px;--nav-w:220px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.45}
a{color:var(--accent-dark)}
h1,h2,h3{margin:0 0 .6em;font-weight:650;letter-spacing:-.01em}
h1.page-title{font-size:1.45rem;margin:0 0 1rem}
h2{font-size:1.15rem}
h3{font-size:1rem}
.muted{color:var(--muted)}
.small{font-size:.85em}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.mono{font-variant-numeric:tabular-nums}

/* Barra superior y navegación */
.topbar{position:fixed;top:0;left:0;right:0;height:56px;background:#fff;color:var(--text);display:flex;align-items:center;gap:12px;padding:0 14px;z-index:20;border-bottom:3px solid var(--accent)}
.topbar .logo{height:42px;width:42px;object-fit:contain}
.topbar .brand{color:var(--accent-dark);text-decoration:none;font-weight:800;font-size:1.1rem;flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.topbar .brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .user{font-size:.9rem;color:var(--muted);white-space:nowrap}
.topbar .user a{color:var(--accent-dark);font-weight:600}
.menu-btn{background:none;border:0;color:var(--accent-dark);font-size:1.5rem;cursor:pointer;display:none}
.sidenav{position:fixed;top:56px;left:0;bottom:0;width:var(--nav-w);background:var(--panel);border-right:1px solid var(--line);padding:10px 0;overflow-y:auto;z-index:15}
.sidenav a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:var(--text);text-decoration:none;font-size:1rem}
.sidenav .group{padding:12px 16px 4px;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.sidenav a.primary{background:var(--accent-dark);color:#fff;margin:6px 10px;border-radius:8px;font-weight:700;justify-content:center;font-size:1.05rem}
.sidenav a.primary:hover{background:var(--accent-deep)}
.sidenav a .ico{width:22px;text-align:center;display:inline-flex;justify-content:center;color:var(--muted)}
.sidenav a.active .ico,.sidenav a.primary .ico{color:inherit}
.ico-svg{vertical-align:-4px}
.sidenav a:hover{background:var(--bg)}
.sidenav a.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:600;border-right:3px solid var(--accent)}
.content{margin-left:var(--nav-w);padding:74px 22px 40px;max-width:1200px}
body.wide .content{max-width:none}
body.nologin .content{margin:0;padding:40px 16px;max-width:460px;margin:0 auto}

@media (max-width:860px){
  .menu-btn{display:block}
  .sidenav{transform:translateX(-100%);transition:transform .2s}
  body.nav-open .sidenav{transform:none;box-shadow:0 0 0 100vw rgba(0,0,0,.25)}
  .content{margin-left:0;padding:70px 12px 30px}
}

/* Tarjetas y rejillas */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:18px}
.card.tight{padding:12px 14px}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:1.5rem;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat.warn{border-color:#f0d9a8;background:var(--warn-soft)}
.stat.good{border-color:#d3e2a3;background:var(--lime-soft)}

/* Tablas */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:var(--panel)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafb;font-weight:600}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tr:hover td{background:#fafcfd}
tfoot td{font-weight:700;background:#f8fafb}
table.compact th,table.compact td{padding:5px 8px;font-size:.9rem}

/* Formularios */
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=number],input[type=password],input[type=date],input[type=email],input[type=search],select,textarea{
  width:100%;padding:10px 12px;border:1px solid #cfd6db;border-radius:8px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:3px solid #fbd3b8;border-color:var(--accent)}
textarea{min-height:70px}
.field{margin-bottom:12px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row > *{flex:1;min-width:140px}
.row > .fix{flex:0 0 auto;min-width:0}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.inline{display:inline}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.filters > *{min-width:120px}
.filters .field{margin:0}

/* Botones */
.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid var(--accent-dark);background:var(--accent-dark);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{background:var(--accent-deep)}
.btn.secondary{background:#fff;color:var(--text);border-color:#cfd6db}
.btn.secondary:hover{background:var(--bg)}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn.sm{padding:4px 9px;font-size:.82rem;font-weight:500}
.btn.lg{padding:14px 22px;font-size:1.1rem}
.btn.block{display:block;width:100%;text-align:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Avisos */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.flash.ok{background:var(--lime-soft);border-color:#d3e2a3;color:#4d6314}
.flash.error{background:var(--danger-soft);border-color:#f2c4bf;color:var(--danger)}
.flash.warn{background:var(--warn-soft);border-color:#f0d9a8;color:#7a4f0c}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--info-soft);color:#2e4a6b}
.badge.ok{background:var(--lime-soft);color:#4d6314}
.badge.warn{background:var(--warn-soft);color:#7a4f0c}
.badge.danger{background:var(--danger-soft);color:var(--danger)}
.pager{display:flex;gap:4px;margin-top:12px}
.pager a{padding:4px 10px;border:1px solid var(--line);border-radius:6px;text-decoration:none;background:#fff}
.pager a.active{background:var(--accent-dark);color:#fff;border-color:var(--accent-dark)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:12px}
.toolbar form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.toolbar input[type=search]{width:220px}

/* Punto de venta */
.pos{display:grid;grid-template-columns:1fr 360px;gap:16px;align-items:start}
@media (max-width:900px){.pos{grid-template-columns:1fr}}
.pos .search input{font-size:1.1rem;padding:12px}
.pos .results{max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;margin-top:6px;background:#fff}
.pos .results div{padding:8px 12px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;justify-content:space-between;gap:10px}
.pos .results div:hover,.pos .results div.sel{background:var(--accent-soft)}
.pos .results .stock{color:var(--muted);font-size:.85em}
.pos .results div.emp{background:#fafcfd;padding-top:4px;padding-bottom:4px;font-size:.92em}
.pos .cart td input{width:70px;padding:4px 6px;text-align:right}
.pos .total-box{background:var(--accent-dark);color:#fff;border-radius:var(--radius);padding:14px 18px}
.pos .total-box .big{font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums}
.pos .total-box .line{display:flex;justify-content:space-between;font-size:.95rem;opacity:.9}
.pos .pay .field{margin-bottom:8px}
.pos .cambio{font-size:1.6rem;font-weight:800;color:#4d6314}
.keypad{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:8px 0}
.keypad button{padding:10px 4px;min-width:0;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:.95rem;cursor:pointer}
.keypad button:hover{background:var(--bg)}

/* Ticket de impresión */
.ticket{font-family:"Courier New",monospace;width:300px;margin:20px auto;background:#fff;padding:14px;border:1px dashed #999;font-size:12px}
.ticket.w58{width:220px;font-size:11px}
.ticket h2{text-align:center;font-size:14px;margin:0}
.ticket .c{text-align:center}
.ticket table{font-size:inherit}
.ticket td,.ticket th{padding:2px 3px;border:0;background:none;font-size:inherit;text-transform:none;letter-spacing:0;color:inherit}
.ticket hr{border:0;border-top:1px dashed #333;margin:6px 0}
@media print{
  .topbar,.sidenav,.no-print,.flash{display:none!important}
  .content{margin:0;padding:0;max-width:none}
  body{background:#fff}
  .ticket{border:0;margin:0;width:auto}
  .card{border:0;padding:0}
}
.login-box{margin-top:60px}
.login-box h1{text-align:center}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;margin:0}
dl.kv dt{color:var(--muted)}
dl.kv dd{margin:0}
.bar{height:8px;background:#e8edf0;border-radius:4px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--accent)}
.chart-bars{display:flex;align-items:flex-end;gap:6px;height:140px;padding:6px 0;border-bottom:1px solid var(--line)}
.chart-bars .b{flex:1;background:var(--accent);border-radius:3px 3px 0 0;position:relative;min-width:8px}
.chart-bars .b:hover{background:var(--accent-dark)}
.chart-bars .b i{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);font-size:.65rem;color:var(--muted);font-style:normal;white-space:nowrap;display:none}
.chart-bars .b:hover i{display:block}
.chart-labels{display:flex;gap:6px}
.chart-labels span{flex:1;font-size:.65rem;color:var(--muted);text-align:center;overflow:hidden}
.help{font-size:.85rem;color:var(--muted);margin-top:4px}
.danger-text{color:var(--danger)}
.ok-text{color:#4d6314}

/* Pantalla de inicio: acciones grandes */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
@media (max-width:900px){.tiles{grid-template-columns:repeat(2,1fr)}}
.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:22px 10px;background:#fff;border:2px solid var(--line);border-radius:14px;text-decoration:none;color:var(--text);font-weight:700;font-size:1.05rem;text-align:center}
.tile .ico{font-size:2rem}
.tile:hover{border-color:var(--accent);background:var(--accent-soft)}
.tile.main{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.tile.main:hover{background:var(--accent-deep)}
.tile .ico{display:flex;color:var(--accent-dark)}
.tile.main .ico{color:#fff}
.tile small{font-weight:400;color:inherit;opacity:.8;font-size:.82rem}
.page-help{color:var(--muted);margin:-8px 0 14px;font-size:.95rem}
.steps{list-style:none;padding:0;margin:0}
.steps li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.steps li:last-child{border:0}
.steps .n{flex:0 0 30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps li.done .n{background:var(--lime)}
.login-logo{display:block;margin:0 auto 10px;width:150px}
.venta-ok{background:var(--lime-soft);border:2px solid var(--lime);border-radius:14px;padding:18px;text-align:center;margin-bottom:14px}
.venta-ok .big{font-size:2.4rem;font-weight:900;color:#4d6314}
.ticket img{display:block;margin:0 auto 6px;width:120px}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:50;padding:12px}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:14px;padding:20px;max-width:480px;width:100%}
.help-card h3{margin-top:14px;color:var(--accent-dark)}
.help-card p,.help-card li{font-size:1rem}
.empty{text-align:center;padding:34px 16px;color:var(--text)}
.empty .empty-ico{font-size:2.4rem;margin-bottom:6px;color:var(--muted);display:flex;justify-content:center}
.venta-ok .ico-ok{color:#4d6314;vertical-align:-5px}
.chart-wrap{display:flex;gap:8px;align-items:stretch}
.chart-wrap .chart-bars{flex:1}
.chart-eje{display:flex;flex-direction:column;justify-content:space-between;font-size:.65rem;color:var(--muted);text-align:right;width:52px;flex:none;padding:6px 0;height:140px;box-sizing:border-box}
.chart-labels{margin-left:60px}

.print-only{display:none}
@media print{.print-only{display:inline}.no-print{display:none !important}}
/* Celular: cada fila de tabla se vuelve una tarjeta con su etiqueta (19-10-2026). app.js pone data-label desde el encabezado. */
@media (max-width:640px){
  table.cards thead,table.cards tr.cab{display:none}
  table.cards,table.cards tbody,table.cards tfoot{display:block}
  table.cards tr{display:block;border:1px solid var(--line);border-radius:8px;margin:0 0 8px;padding:6px 10px;background:#fff}
  table.cards tfoot tr{background:#f8fafb}
  table.cards td{display:flex;justify-content:space-between;align-items:center;gap:10px;border:0;padding:4px 0;text-align:right;white-space:normal}
  table.cards td[data-label]::before{content:attr(data-label);color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;text-align:left;flex:0 0 38%}
  table.cards td.right,table.cards tfoot td:not(.num){justify-content:flex-start;font-weight:700}
  table.cards td:first-child{font-weight:600;flex-direction:column;align-items:flex-start;text-align:left}
  table.cards td:first-child[data-label]::before{flex:none;margin-bottom:2px}
  table.cards tfoot td{padding:2px 0}
  table.cards td input,table.cards td select{max-width:150px}
  table.cards tr:hover td{background:transparent}
  dl.kv{grid-template-columns:minmax(0,1fr) auto}
  dl.kv dd{text-align:right}
  .pos .search input{font-size:1rem}
}
.empty h3{margin-bottom:4px}
.empty .btn{margin-top:10px}
/* Estados de carga en botones */
.btn.loading{position:relative;color:transparent!important;pointer-events:none}
.btn.loading::after{content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border:3px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.btn.secondary.loading::after{border-color:#ccc;border-top-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}
/* Accesibilidad: foco visible y texto para lectores de pantalla */
.btn:focus-visible,a:focus-visible{outline:3px solid #fbd3b8;outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}