/* Paleta corporativa */
:root {
  --azul-900: #0F41A6;
  --azul-800: #1453A6;
  --azul-600: #1F82BF;
  --cian:     #05C7F2;
  --negro:    #0D0D0D;

  --fondo:    #F3F6FB;
  --superficie: #FFFFFF;
  --borde:    #DCE3EE;
  --texto:    #0D0D0D;
  --texto-2:  #55607A;
  --exito:    #0E8A5F;
  --peligro:  #C62839;
  --aviso:    #B7791F;
  --radio:    12px;
  --sombra:   0 1px 2px rgba(13,13,13,.06), 0 4px 16px rgba(15,65,166,.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  font-size: 15px;
  line-height: 1.45;
}
[hidden] { display: none !important; }
body:not(.es-admin) .solo-admin { display: none !important; }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.2; }
a { color: var(--azul-600); }
img { max-width: 100%; }

/* ---------- botones y formularios ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .4em; justify-content: center;
  border: 1px solid var(--borde); background: var(--superficie); color: var(--texto);
  padding: .55em 1em; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--azul-600); color: var(--azul-800); }
.btn.primario { background: var(--azul-900); border-color: var(--azul-900); color: #fff; }
.btn.primario:hover { background: var(--azul-800); border-color: var(--azul-800); color: #fff; }
.btn.acento { background: var(--cian); border-color: var(--cian); color: var(--negro); }
.btn.acento:hover { filter: brightness(.95); color: var(--negro); }
.btn.peligro { color: var(--peligro); }
.btn.peligro:hover { background: var(--peligro); border-color: var(--peligro); color: #fff; }
.btn.chico { padding: .35em .7em; font-size: .85em; }
.btn.ancho { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-icono {
  border: 0; background: transparent; color: inherit; cursor: pointer; font-size: 1.1em;
  width: 2em; height: 2em; border-radius: 8px; display: inline-grid; place-items: center;
}
.btn-icono:hover { background: rgba(5,199,242,.15); }

label { display: grid; gap: .3em; font-weight: 600; font-size: .9em; color: var(--texto-2); }
input, select, textarea {
  font: inherit; color: var(--texto); background: #fff;
  border: 1px solid var(--borde); border-radius: 9px; padding: .55em .7em; width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--cian); outline-offset: 0; border-color: var(--azul-600);
}
textarea { min-height: 70px; resize: vertical; }
.error { color: var(--peligro); font-weight: 600; min-height: 1.2em; margin: .2em 0; }
.ayuda { color: var(--texto-2); font-size: .9em; }

/* ---------- acceso ---------- */
.acceso {
  min-height: 100%; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(1200px 600px at 10% 0%, var(--azul-600), transparent 60%),
              linear-gradient(135deg, var(--azul-900), var(--negro));
}
.tarjeta-acceso {
  width: min(400px, 100%); background: var(--superficie); padding: 32px; border-radius: 18px;
  display: grid; gap: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.tarjeta-acceso .marca { color: var(--azul-900); }
.marca { display: flex; align-items: center; gap: .5em; font-weight: 800; font-size: 1.1em; letter-spacing: .2px; }
.marca-icono {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--cian), var(--azul-600)); font-size: 18px;
}

/* ---------- estructura ---------- */
.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100%; }
.lateral {
  background: var(--negro); color: #E8EEF8; padding: 18px 12px; position: sticky; top: 0;
  height: 100vh; overflow-y: auto;
}
.lateral .marca { padding: 4px 8px 18px; color: #fff; }
.lateral nav a, .nav-grupo {
  display: flex; align-items: center; gap: .6em; padding: .55em .7em; border-radius: 9px;
  color: #C9D4E8; text-decoration: none; font-weight: 500;
}
.lateral nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.lateral nav a.activo { background: var(--azul-900); color: #fff; box-shadow: inset 3px 0 0 var(--cian); }
.nav-titulo {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .72em; text-transform: uppercase; letter-spacing: 1.2px; color: #7E8AA3;
  padding: 18px 8px 6px;
}
.carpeta { width: 14px; height: 11px; border-radius: 2px 3px 3px 3px; position: relative; flex: none; }
.carpeta::before {
  content: ""; position: absolute; left: 0; top: -3px; width: 7px; height: 4px;
  border-radius: 2px 2px 0 0; background: inherit;
}
.lateral nav a.activo .carpeta { box-shadow: 0 0 0 1.5px #fff; }
.lateral nav .cuenta { margin-left: auto; font-size: .8em; color: #7E8AA3; }

.principal { min-width: 0; display: flex; flex-direction: column; }
.barra {
  display: flex; align-items: center; gap: 12px; padding: 12px 24px;
  background: var(--superficie); border-bottom: 1px solid var(--borde); position: sticky; top: 0; z-index: 5;
}
.barra-titulo { font-weight: 700; font-size: 1.05em; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.usuario-caja { display: flex; align-items: center; gap: 8px; font-size: .9em; }
.rol {
  background: rgba(5,199,242,.15); color: var(--azul-800); padding: .15em .6em; border-radius: 99px;
  font-size: .8em; font-weight: 700; text-transform: uppercase;
}
.menu { display: none; }
.vista { padding: 24px; max-width: 1400px; width: 100%; }

/* ---------- componentes ---------- */
.cabecera { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin-bottom: 20px; }
.cabecera .titulos { flex: 1; min-width: 220px; }
.cabecera p { margin: 0; color: var(--texto-2); }
.acciones { display: flex; flex-wrap: wrap; gap: 8px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 24px; }
.kpi {
  background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 14px 16px; box-shadow: var(--sombra); border-top: 3px solid var(--azul-600);
}
.kpi .etq { font-size: .8em; color: var(--texto-2); font-weight: 600; }
.kpi .val { font-size: 1.45em; font-weight: 800; color: var(--azul-900); font-variant-numeric: tabular-nums; }
.kpi.destacado { border-top-color: var(--cian); }
.kpi.destacado .val { color: var(--exito); }
.kpi .val.negativo { color: var(--peligro); }

.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

.tarjeta {
  background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio);
  box-shadow: var(--sombra); overflow: hidden;
}
.grupo-tarjeta { cursor: pointer; transition: transform .15s, box-shadow .15s; text-decoration: none; color: inherit; display: block; }
.grupo-tarjeta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(15,65,166,.15); }
.grupo-tarjeta .franja { height: 8px; }
.grupo-tarjeta .cuerpo { padding: 16px; }
.grupo-tarjeta h3 { display: flex; align-items: center; gap: .5em; }
.grupo-tarjeta .carpeta { width: 22px; height: 17px; }
.grupo-tarjeta .carpeta::before { width: 10px; height: 5px; top: -4px; }
.datos { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font-size: .88em; margin-top: 10px; }
.datos span { color: var(--texto-2); }
.datos b { text-align: right; font-variant-numeric: tabular-nums; }

.producto .foto {
  aspect-ratio: 4/3; background: linear-gradient(135deg, #E6EEF9, #D4E6F5); display: grid; place-items: center;
  font-size: 46px; position: relative; cursor: zoom-in;
}
.producto .foto img { width: 100%; height: 100%; object-fit: cover; }
.producto .stock {
  position: absolute; top: 10px; right: 10px; background: var(--negro); color: #fff;
  padding: .25em .7em; border-radius: 99px; font-weight: 700; font-size: 13px;
}
.producto .stock.bajo { background: var(--aviso); }
.producto .stock.cero { background: var(--peligro); }
.producto .cuerpo { padding: 14px 16px 16px; }
.producto h3 { font-size: 1.05em; }
.producto .desc { color: var(--texto-2); font-size: .88em; margin: 0 0 6px; }
.producto .acciones { margin-top: 12px; }
.ganancia-pos { color: var(--exito) !important; }
.ganancia-neg { color: var(--peligro) !important; }

.pestanas { display: flex; gap: 4px; border-bottom: 2px solid var(--borde); margin-bottom: 16px; }
.pestanas button {
  border: 0; background: none; font: inherit; font-weight: 600; color: var(--texto-2);
  padding: .6em 1em; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.pestanas button.activa { color: var(--azul-900); border-bottom-color: var(--cian); }

.filtros { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 14px; }
.filtros label { min-width: 150px; flex: 1; }

.tabla-caja { overflow-x: auto; background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio); }
table { width: 100%; border-collapse: collapse; font-size: .9em; }
th, td { padding: .6em .8em; text-align: left; border-bottom: 1px solid var(--borde); vertical-align: top; }
th { background: #F7F9FD; color: var(--texto-2); font-size: .8em; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
td { white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.anulado td { color: #9AA3B5; text-decoration: line-through; }
tr.anulado td:last-child { text-decoration: none; }
.etiqueta { display: inline-block; padding: .1em .55em; border-radius: 6px; font-size: .8em; font-weight: 700; }
.etiqueta.entrada { background: #DFF5EC; color: var(--exito); }
.etiqueta.salida { background: #E1ECFB; color: var(--azul-900); }
.etiqueta.anulacion { background: #FCE4E7; color: var(--peligro); }
.etiqueta.admin { background: var(--azul-900); color: #fff; }
.etiqueta.operador { background: #E1ECFB; color: var(--azul-800); }
.etiqueta.inactivo { background: #EEE; color: #777; }
details summary { cursor: pointer; color: var(--azul-600); font-weight: 600; }
pre.json { white-space: pre-wrap; word-break: break-word; background: #F7F9FD; padding: 8px; border-radius: 8px; font-size: .85em; margin: 6px 0 0; max-width: 520px; }

.vacio { text-align: center; padding: 48px 16px; color: var(--texto-2); }
.vacio .icono { font-size: 44px; }

/* ---------- modal ---------- */
dialog {
  border: 0; border-radius: 16px; padding: 0; width: min(560px, calc(100% - 32px));
  max-height: calc(100% - 32px); box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
dialog.ancho { width: min(860px, calc(100% - 32px)); }
dialog::backdrop { background: rgba(13,13,13,.55); }
#modal-form { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 22px; }
#modal-form > *, .sugeridos > * { min-width: 0; }
@media (max-width: 600px) { #modal-form { padding: 16px; } }
.modal-cabeza { display: flex; align-items: center; gap: 10px; }
.modal-cabeza h2 { flex: 1; margin: 0; font-size: 1.2em; color: var(--azul-900); }
.modal-pie { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.fila { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.calculo {
  background: linear-gradient(135deg, rgba(5,199,242,.10), rgba(15,65,166,.06));
  border: 1px solid rgba(31,130,191,.25); border-radius: 10px; padding: 10px 12px; font-size: .92em;
  display: flex; flex-wrap: wrap; gap: 6px 18px;
}
.calculo b { font-variant-numeric: tabular-nums; }
.kpi.proyectado { border-top-color: var(--azul-900); background: linear-gradient(180deg, rgba(5,199,242,.07), #fff 60%); }
.proyeccion {
  margin-top: 10px; padding: 8px 10px; border-radius: 9px; font-size: .92em;
  background: linear-gradient(135deg, rgba(5,199,242,.10), rgba(15,65,166,.05)); border: 1px dashed rgba(31,130,191,.4);
}
.proyeccion > span { font-size: .8em; font-weight: 700; color: var(--azul-800); text-transform: uppercase; letter-spacing: .4px; }
.proyeccion .datos { margin-top: 4px; }
.sugeridos { display: grid; gap: 8px; padding: 12px; border-radius: 12px; border: 1px solid var(--borde); background: #FAFCFF; }
.sugeridos-cabeza { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; color: var(--azul-900); }
.en-linea { display: flex; align-items: center; gap: 6px; font-weight: 500; }
.en-linea input { width: 80px; }
tr.elegido td { background: rgba(5,199,242,.12); }
.foto-previa { display: flex; gap: 12px; align-items: center; }
.foto-previa img, .foto-previa .sin { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; background: #E6EEF9; display: grid; place-items: center; font-size: 30px; flex: none; }
.colores { display: flex; gap: 8px; flex-wrap: wrap; }
.colores label { display: block; }
.colores input { display: none; }
.colores span { display: block; width: 32px; height: 32px; border-radius: 8px; cursor: pointer; border: 3px solid transparent; }
.colores input:checked + span { border-color: var(--negro); box-shadow: 0 0 0 2px #fff inset; }
.items-salida td { vertical-align: middle; }
.items-salida input { min-width: 80px; }
.mini { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; background: #E6EEF9; display: inline-grid; place-items: center; }
.visor { display: grid; place-items: center; }
.visor img { max-height: 70vh; border-radius: 10px; }

/* ---------- avisos ---------- */
.avisos { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; }
.aviso {
  background: var(--negro); color: #fff; padding: 12px 16px; border-radius: 10px; max-width: 360px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); border-left: 4px solid var(--cian); animation: entra .2s ease-out;
}
.aviso.error { border-left-color: var(--peligro); color: #fff; }
@keyframes entra { from { transform: translateY(10px); opacity: 0; } }

/* ---------- móvil ---------- */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .lateral { position: fixed; inset: 0 auto 0 0; width: 260px; z-index: 20; transform: translateX(-100%); transition: transform .2s; }
  .lateral.abierto { transform: none; box-shadow: 0 0 0 100vmax rgba(0,0,0,.45); }
  .menu { display: inline-grid; }
  .barra { padding: 10px 16px; }
  .vista { padding: 16px; }
  .usuario-caja #usuario-nombre, .usuario-caja .rol { display: none; }
}

@media print {
  .lateral, .barra, .acciones, .filtros { display: none !important; }
  .app { display: block; }
}