/* EM Performance — Caja
   Misma identidad que el sitio: negro cálido, oliva del logo,
   verde neón del letrero de la tienda. */

:root {
  --ink-950: #060703;
  --ink-900: #0c0e07;
  --ink-850: #12140b;
  --ink-800: #191c10;
  --khaki-900: #2c3018;
  --khaki-700: #3f4a26;
  --khaki-500: #667439;
  --khaki-300: #a2ac79;
  --neon: #17e07c;
  --neon-600: #0a9450;
  --bone-50: #f7f7f2;
  --bone-200: #d9d9cd;
  --bone-400: #9a9a8c;
  --rojo: #e6382f;
  --ambar: #e8a33d;
  --borde: #262820;
  --r: 12px;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ink-950);
  color: var(--bone-50);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

body { padding-bottom: 7rem; }

:focus-visible { outline: 3px solid var(--neon); outline-offset: 2px; border-radius: 6px; }

h2 {
  margin: 2rem 0 .75rem;
  font-size: .8125rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--khaki-300);
}

/* ---------- Encabezado ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .75rem 1rem calc(.75rem + env(safe-area-inset-top));
  padding-top: max(.75rem, env(safe-area-inset-top));
  background: rgba(6, 7, 3, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
}
.brand { display: flex; align-items: center; gap: .625rem; }
.brand img { border-radius: 8px; border: 1px solid var(--khaki-700); }
.brand div { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: .9375rem; }
.brand span { font-size: .75rem; color: var(--bone-400); }
.hoy { text-align: right; line-height: 1.15; }
.hoy-label {
  display: block; font-size: .625rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--khaki-300);
}
.hoy strong { font-size: 1.25rem; color: var(--neon); }

/* ---------- Pestañas ---------- */
.tabs {
  position: sticky; top: 3.75rem; z-index: 19;
  display: flex; gap: .25rem; padding: .5rem 1rem;
  background: var(--ink-950); border-bottom: 1px solid var(--borde);
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 1 0 auto; min-height: 44px; padding: 0 1rem;
  border: 1px solid transparent; border-radius: 10px;
  background: none; color: var(--bone-400);
  font: inherit; font-weight: 700; font-size: .875rem;
  cursor: pointer; white-space: nowrap;
}
.tab.activo { background: var(--khaki-900); border-color: var(--khaki-700); color: var(--bone-50); }

main { padding: 1rem; max-width: 62rem; margin: 0 auto; }
.vista { display: none; }
.vista.activa { display: block; }

/* ---------- Formularios ---------- */
input[type="search"], input[type="number"], input[type="text"] {
  width: 100%; min-height: 46px; padding: 0 .875rem;
  border: 1px solid var(--borde); border-radius: 10px;
  background: var(--ink-850); color: var(--bone-50); font: inherit;
}
input::placeholder { color: var(--bone-400); }

.barra { display: flex; gap: .5rem; align-items: center; }
.barra input { flex: 1; }

.chips { display: flex; gap: .375rem; overflow-x: auto; padding: .75rem 0; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; min-height: 38px; padding: 0 .875rem;
  border: 1px solid var(--borde); border-radius: 999px;
  background: none; color: var(--bone-200);
  font: inherit; font-size: .8125rem; font-weight: 600; cursor: pointer;
}
.chip.activo { background: var(--neon); border-color: var(--neon); color: var(--ink-950); }

/* ---------- Rejilla de venta ---------- */
.grid {
  display: grid; gap: .625rem;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
}
.card {
  display: flex; flex-direction: column; gap: .25rem;
  min-height: 116px; padding: .75rem; text-align: left;
  border: 1px solid var(--borde); border-radius: var(--r);
  background: var(--ink-900); color: var(--bone-50);
  font: inherit; cursor: pointer;
  transition: border-color .15s, transform .1s;
}
.card:hover { border-color: var(--khaki-700); }
.card:active { transform: scale(.975); }
.card.sin-stock { opacity: .48; }
.card .marca {
  font-size: .625rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--khaki-300);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card .nom { font-weight: 700; font-size: .875rem; line-height: 1.25; }
.card .var { font-size: .75rem; color: var(--bone-400); }
.card .fila {
  margin-top: auto; display: flex; align-items: baseline;
  justify-content: space-between; gap: .5rem; padding-top: .5rem;
}
.card .precio { font-weight: 800; color: var(--neon); }
.card .precio.falta { color: var(--ambar); font-size: .75rem; }
.card .stock { font-size: .75rem; color: var(--bone-400); }
.card .stock.bajo { color: var(--ambar); font-weight: 700; }
.card .stock.cero { color: var(--rojo); font-weight: 700; }
.card .cant {
  position: absolute; top: .5rem; right: .5rem;
  min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px;
  background: var(--neon); color: var(--ink-950);
  font-size: .75rem; font-weight: 800; line-height: 22px; text-align: center;
}
.card { position: relative; }

/* ---------- Tablas ---------- */
.tabla { display: flex; flex-direction: column; gap: .375rem; }
.row {
  display: grid; grid-template-columns: 1fr auto; gap: .75rem; align-items: center;
  padding: .75rem; border: 1px solid var(--borde); border-radius: 10px;
  background: var(--ink-900);
}
.row .info { min-width: 0; }
.row .nom { font-weight: 700; font-size: .9375rem; line-height: 1.25; }
.row .sub { font-size: .75rem; color: var(--bone-400); }
.row .ctrl { display: flex; align-items: center; gap: .375rem; }
.row.bajo { border-color: var(--ambar); }
.row.cero { border-color: var(--rojo); }

.mini {
  min-width: 38px; min-height: 38px; padding: 0 .5rem;
  border: 1px solid var(--borde); border-radius: 9px;
  background: var(--ink-850); color: var(--bone-50);
  font: inherit; font-weight: 800; cursor: pointer;
}
.mini:active { background: var(--khaki-900); }
.valor {
  min-width: 52px; min-height: 38px; padding: 0 .5rem;
  border: 1px dashed var(--khaki-700); border-radius: 9px;
  background: none; color: var(--bone-50);
  font: inherit; font-weight: 800; cursor: pointer; text-align: center;
}
.valor.falta { color: var(--ambar); border-color: var(--ambar); }

/* ---------- Cifras del corte ---------- */
.cifras { display: grid; gap: .625rem; grid-template-columns: repeat(2, 1fr); }
.cifra {
  padding: 1rem; border: 1px solid var(--borde); border-radius: var(--r);
  background: var(--ink-900);
}
.cifra.grande { grid-column: 1 / -1; }
.cifra span {
  display: block; font-size: .6875rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--khaki-300);
}
.cifra strong { display: block; margin-top: .25rem; font-size: 1.5rem; }
.cifra.grande strong { font-size: 2.5rem; color: var(--neon); }

/* ---------- Botones ---------- */
.btn, .btn-sec {
  min-height: 50px; padding: 0 1.25rem; border-radius: 12px;
  font: inherit; font-weight: 800; cursor: pointer; border: 1px solid transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
}
.btn { background: var(--neon); color: var(--ink-950); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-sec { background: none; border-color: var(--khaki-700); color: var(--bone-50); }
.archivo { cursor: pointer; }
.acciones { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.ayuda { font-size: .8125rem; color: var(--bone-400); margin: .75rem 0 0; }
.aviso {
  padding: .875rem 1rem; margin: 0 0 .75rem;
  border: 1px solid var(--khaki-700); border-radius: var(--r);
  background: var(--ink-900); color: var(--bone-200);
}
.vacio { text-align: center; color: var(--bone-400); padding: 2rem 0; }

/* ---------- Ticket ---------- */
.ticket {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 30;
  background: var(--ink-850); border-top: 1px solid var(--khaki-700);
  padding-bottom: env(safe-area-inset-bottom);
}
.ticket-cab {
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 60px; padding: 0 1rem;
  background: none; border: 0; color: var(--bone-50); font: inherit; cursor: pointer;
}
#ticket-resumen { font-weight: 700; }
#ticket-total { font-size: 1.375rem; color: var(--neon); }
.ticket-cuerpo { border-top: 1px solid var(--borde); padding: .75rem 1rem 1rem; max-height: 52vh; overflow-y: auto; }
.ticket-cuerpo ul { list-style: none; margin: 0 0 .75rem; padding: 0; display: flex; flex-direction: column; gap: .375rem; }
.ticket-cuerpo li {
  display: grid; grid-template-columns: 1fr auto auto; gap: .625rem; align-items: center;
  padding: .5rem .625rem; background: var(--ink-900); border-radius: 9px;
}
.ticket-cuerpo li .n { font-size: .875rem; font-weight: 600; min-width: 0; }
.ticket-pie { display: flex; gap: .5rem; }
.ticket-pie .btn { flex: 2; }
.ticket-pie .btn-sec { flex: 1; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 6.5rem; z-index: 60;
  transform: translate(-50%, 1rem);
  padding: .75rem 1.125rem; border-radius: 999px;
  background: var(--khaki-900); border: 1px solid var(--khaki-700);
  font-size: .875rem; font-weight: 700;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.toast.ver { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 720px) {
  .cifras { grid-template-columns: repeat(4, 1fr); }
  .cifra.grande { grid-column: span 2; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}