:root {
  --azul: #1565c0;
  --azul-osc: #0d4a94;
  --campo: #b8cce4;
  --campo-borde: #8aa6c8;
  --fondo: #eef0f3;
  --panel: #ffffff;
  --gris: #a9a9a9;
  --borde: #c9ced6;
  --texto: #1d2733;
  --muted: #637083;
  --rojo: #d32f2f;
  --verde: #2e7d32;
  font-family: "Segoe UI", Tahoma, system-ui, sans-serif;
  font-size: 14px;
  color: var(--texto);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--rojo); margin: 0; }
.num { text-align: right; white-space: nowrap; }
input, select, button { font: inherit; color: inherit; }
input, select {
  border: 1px solid var(--borde); border-radius: 3px; padding: 6px 8px; background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--azul); outline-offset: -1px; }

.btn {
  border: 1px solid var(--borde); background: #f7f8fa; border-radius: 4px;
  padding: 7px 14px; cursor: pointer;
}
.btn:hover { background: #e9edf2; }
.btn-primario { background: var(--azul); color: #fff; border-color: var(--azul-osc); }
.btn-primario:hover { background: var(--azul-osc); }
.btn-chico { padding: 4px 10px; font-size: 13px; }
.btn-peligro { color: var(--rojo); }
.chip { background: var(--campo); border: 1px solid var(--campo-borde); padding: 3px 10px; border-radius: 3px; font-weight: 600; }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card {
  background: var(--panel); width: 100%; max-width: 360px; padding: 28px; border-radius: 8px;
  box-shadow: 0 6px 30px rgba(0,0,0,.1); display: flex; flex-direction: column; gap: 12px;
}
.login-logo { width: 130px; align-self: center; }
.login-card h1 { margin: 0; text-align: center; font-size: 20px; color: var(--azul-osc); }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-card .btn { padding: 10px; margin-top: 6px; }

/* ---------- Barra superior ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: #fff; border-bottom: 1px solid var(--borde); padding: 3px 12px; row-gap: 2px;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand img { height: 28px; }
@media (max-width: 1500px) { .brand .muted { display: none; } }
.tabs { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.tabs a {
  text-decoration: none; color: var(--texto); padding: 6px 10px; border-radius: 4px; white-space: nowrap;
}
.tabs a:hover { background: #eef3fa; }
.tabs a.activa { background: var(--azul); color: #fff; }
.userbox { display: flex; align-items: center; gap: 10px; }
body:not(.es-admin) .solo-admin { display: none !important; }
body.es-admin #estacionFija { display: none; }

.vista { padding: 12px; }
.panel { background: var(--panel); border: 1px solid var(--borde); border-radius: 6px; padding: 14px; margin-bottom: 12px; }
.panel h2 { margin: 0 0 8px; font-size: 16px; color: var(--azul-osc); }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 10px; }
.filtros label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.filtros label.grow { flex: 1; min-width: 240px; }
.filtros label.check, label.check { flex-direction: row; align-items: center; gap: 6px; font-size: 14px; color: var(--texto); }
.rapidos { display: flex; gap: 4px; }
.resumen { margin: 6px 0 10px; }
.resumen b { font-size: 16px; }

/* ---------- Pantalla de venta (estilo facturador) ---------- */
/* La app ocupa exactamente la ventana: la pantalla de venta se ajusta al alto disponible
   y la barra con el total y los botones queda siempre visible (ej. 1360x768 con barra de Windows). */
#app { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }
#app > .topbar { flex: none; }
#app > .vista { flex: 1; min-height: 0; overflow: auto; }
#vista-venta { display: flex; padding: 6px 8px 8px; }
.fact {
  background: #f0f0f0; border: 1px solid var(--borde); border-radius: 4px;
  display: flex; flex-direction: column; flex: 1; min-height: 0;
}
.fact-titulo {
  display: flex; gap: 16px; align-items: center; padding: 5px 12px;
  font-weight: 600; border-bottom: 1px solid var(--borde); background: #fafafa;
}
.fact-estacion { background: var(--campo); border: 1px solid var(--campo-borde); padding: 2px 12px; font-weight: 600; }
.btn-recuperar { background: #fff3cd; border-color: #e6a100; color: #7a5200; font-weight: 600; }
.btn-recuperar:hover { background: #ffe8a1; }
.fact-fecha { margin-left: auto; font-weight: 400; color: var(--muted); }

.grid-wrap { flex: 1; min-height: 120px; overflow: auto; background: var(--gris); position: relative; margin: 6px 8px; border: 1px solid #888; }
.grid { width: 100%; border-collapse: collapse; background: #fff; table-layout: fixed; min-width: 640px; }
.grid th { background: #f4f4f4; font-weight: 400; border: 1px solid #d0d0d0; padding: 3px 6px; position: sticky; top: 24px; z-index: 1; }
.grid th.grid-cap { background: var(--campo); border-color: var(--campo-borde); top: 0; height: 24px; }
.grid td { border: 1px solid #e0e0e0; padding: 2px 6px; height: 30px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grid tbody#itemsVenta tr:nth-child(even) td { background: #f7f9fc; }
.grid tr.recien td { animation: flash 1s ease-out; }
@keyframes flash { from { background: #fff3b0; } }
.grid td input { width: 100%; border: 1px solid transparent; padding: 3px 5px; background: transparent; }
.grid td input:hover { border-color: var(--borde); }
.grid td input:focus { background: #fff; }
.grid .in-qty { text-align: right; }
.fila-entrada td { background: #fffde7 !important; border-top: 2px solid var(--azul); height: 38px; }
.fila-entrada input { border: 1px solid var(--campo-borde) !important; background: #fff !important; font-size: 15px; }
.fila-entrada .in-cant { text-align: right; }
.ayuda-ent { text-align: right; }
.btn-quitar {
  border: 0; background: transparent; color: var(--rojo); cursor: pointer; font-size: 18px;
  line-height: 1; padding: 2px 8px; border-radius: 3px;
}
.btn-quitar:hover { background: #fde8e8; }
.vacio { color: #eee; text-align: center; padding: 40px 0; font-size: 16px; }

.fact-pie {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 6px 12px 8px; border-top: 1px solid var(--borde);
}
.totales { display: flex; gap: 22px; align-items: center; }
.totales > div { display: flex; flex-direction: column; }
.totales b { font-size: 18px; }
.total-grande {
  background: var(--campo); border: 1px solid var(--campo-borde); padding: 6px 18px; min-width: 260px;
}
.total-grande span { font-size: 12px; font-weight: 600; color: var(--azul-osc); }
.total-grande b { font-size: 30px; text-align: right; }
.acciones { display: flex; gap: 10px; }
.btn-accion {
  display: flex; align-items: center; gap: 10px; border: 1px solid var(--borde); background: #fff;
  border-radius: 6px; padding: 10px 20px; cursor: pointer; font-size: 16px; font-weight: 600;
}
.btn-accion svg { width: 30px; height: 30px; fill: none; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.btn-accion small { display: block; font-weight: 400; font-size: 11px; color: var(--muted); }
.btn-accion span { text-align: left; }
.btn-cancelar svg { stroke: var(--rojo); }
.btn-cancelar:hover { background: #fdecec; border-color: var(--rojo); }
.btn-aceptar svg { stroke: var(--verde); }
.btn-aceptar:hover { background: #e9f5ea; border-color: var(--verde); }
.btn-accion:disabled { opacity: .5; cursor: default; }

/* ---------- Tablas ---------- */
.tabla-wrap { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; }
.tabla th { text-align: left; background: #f4f6f9; border-bottom: 2px solid var(--borde); padding: 7px 8px; font-weight: 600; font-size: 13px; position: sticky; top: 0; }
.tabla th.num { text-align: right; }
.tabla td { border-bottom: 1px solid #eceff3; padding: 6px 8px; vertical-align: top; }
.tabla tr.anulada td { color: #9aa3ae; text-decoration: line-through; }
.tabla tr.anulada td:last-child, .tabla tr.anulada td:nth-last-child(2) { text-decoration: none; }
.tabla tfoot td { font-weight: 700; border-top: 2px solid var(--borde); }
.detalle { margin: 0; padding: 0; list-style: none; font-size: 13px; }
.detalle li { white-space: nowrap; }
.detalle .q { display: inline-block; min-width: 38px; text-align: right; margin-right: 6px; font-weight: 600; }
body.una-estacion .col-est { display: none; }
.tag { font-size: 11px; padding: 1px 6px; border-radius: 3px; background: #eee; }
.tag-rojo { background: #fde8e8; color: var(--rojo); }
.tag-verde { background: #e7f4e8; color: var(--verde); }

/* ---------- Diálogos ---------- */
.dlg { border: 0; border-radius: 8px; padding: 0; box-shadow: 0 10px 40px rgba(0,0,0,.3); min-width: 340px; max-width: 94vw; }
.dlg::backdrop { background: rgba(20,30,45,.45); }
.dlg-ancho { width: 820px; }
.dlg-head { background: var(--azul); color: #fff; padding: 10px 14px; font-weight: 600; display: flex; gap: 10px; align-items: baseline; }
.dlg-head .muted { color: #cfe0f5; }
.dlg-body { padding: 16px; }
.dlg-body.form { display: flex; flex-direction: column; gap: 10px; }
.dlg-body.form label:not(.check) { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.dlg-botones { display: flex; justify-content: flex-end; gap: 8px; padding: 0 16px 14px; }
.dlg-lista { height: 60vh; overflow: auto; }
.btn-surtidor svg { stroke: var(--azul); stroke-width: 2; }
.btn-surtidor:hover { background: #eef3fa; border-color: var(--azul); }
.btn-chico-accion { padding: 6px 14px; font-size: 14px; }
.btn-chico-accion svg { width: 20px; height: 20px; }
.surtidor {
  display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: center;
  margin: 12px 16px; border: 1px solid var(--borde); border-radius: 4px; padding: 10px 14px 14px;
}
.surtidor legend { font-size: 13px; padding: 0 4px; }
.surtidor label { text-align: right; font-size: 13px; }
.surtidor input { width: 160px; }
.surt-comb { display: flex; gap: 6px; }
.surt-comb #sDesc { width: 280px; }
.campo-ro { background: var(--campo); border-color: var(--campo-borde); }
#sImporte { font-size: 18px; font-weight: 600; }
#sLitros { font-size: 18px; font-weight: 600; }
.barra-cant { margin: 0; font-size: 15px; }
.filtro-acciones { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.filtro-lista { max-height: 55vh; overflow: auto; border: 1px solid var(--borde); border-radius: 4px; padding: 6px 10px; }
.filtro-fam { margin: 6px 0; }
.filtro-fam > label { font-weight: 600; }
.filtro-fam .grupos { display: flex; flex-wrap: wrap; gap: 2px 16px; padding: 2px 0 4px 22px; }
.filtro-fam .grupos label { font-size: 13px; }
.filtro-lista .nuevo { color: #b26a00; font-size: 11px; font-weight: 600; }
.agregar-comb { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--borde); }
.agregar-comb label:first-child { min-width: 260px; }
.pin-input { width: 80px; }
.pin-grande { font-size: 22px; letter-spacing: 8px; width: 140px; text-align: center; }
.acciones-comb { display: flex; gap: 6px; }
.in-precio { width: 130px; text-align: right; font-weight: 600; }
tr.cambiado td { background: #fff8e1; }
.in-barra { font-size: 22px; padding: 10px; letter-spacing: 1px; width: 380px; max-width: 100%; }
.dlg-head-aviso { background: #e6a100; }
.aviso { display: flex; gap: 14px; align-items: center; font-size: 15px; min-width: 320px; }
.aviso-icono {
  flex: none; width: 40px; height: 40px; border-radius: 50%; background: #e6a100; color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 24px;
}
.dlg-buscar { display: flex; align-items: flex-end; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--borde); }
.dlg-buscar label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); flex: 1; }
.dlg-buscar input { font-size: 15px; max-width: 420px; }
.tabla-sel tbody tr { cursor: pointer; }
.tabla-sel tbody tr:hover td { background: #eef3fa; }
.tabla-sel tbody tr.sel td { background: var(--azul); color: #fff; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 100;
  background: #263238; color: #fff; padding: 10px 18px; border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.toast.ok { background: var(--verde); }
.toast.err { background: var(--rojo); }

@media (max-height: 560px) {
  .total-grande b { font-size: 22px; }
  .btn-accion { padding: 6px 14px; }
}
@media (max-width: 800px) {
  #app { height: auto; }
  .fact { flex: none; }
  .grid-wrap { min-height: 300px; }
  .total-grande { min-width: 0; }
  .ayuda-ent { display: none; }
}