/* ==========================================================================
   Punto de Venta - hoja de estilos unica.
   Todo local: la tienda debe funcionar sin internet.
   ========================================================================== */

:root {
    --bg: #eef2f7;
    --panel: #ffffff;
    --panel-2: #f8fafc;
    --panel-3: #f1f5f9;
    --borde: #e2e8f0;
    --borde-fuerte: #cbd5e1;

    --texto: #0f172a;
    --texto-2: #475569;
    --texto-3: #94a3b8;

    --primario: #2563eb;
    --primario-osc: #1d4ed8;
    --primario-suave: #eff6ff;

    --exito: #15803d;
    --exito-suave: #f0fdf4;
    --peligro: #dc2626;
    --peligro-suave: #fef2f2;
    --alerta: #b45309;
    --alerta-suave: #fffbeb;

    --sidebar: #0f172a;
    --sidebar-2: #1e293b;
    --sidebar-texto: #cbd5e1;

    --sombra: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .1);
    --sombra-md: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .06);
    --sombra-lg: 0 10px 25px -5px rgba(15, 23, 42, .15), 0 8px 10px -6px rgba(15, 23, 42, .1);

    --radio: 10px;
    --radio-sm: 7px;
    --fuente: "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
    --fuente-mono: "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: var(--fuente);
    font-size: 14px;
    line-height: 1.5;
    color: var(--texto);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }

a { color: var(--primario); text-decoration: none; }
a:hover { text-decoration: underline; }

.num { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--fuente-mono); }

/* ------------------------------------------------------------------ layout */

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    flex: 0 0 240px;
    background: var(--sidebar);
    color: var(--sidebar-texto);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar__marca {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 18px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.sidebar__logo {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(140deg, #3b82f6, #1d4ed8);
    display: grid;
    place-items: center;
    color: #fff;
    flex: 0 0 34px;
}

.sidebar__nombre {
    font-weight: 600;
    color: #f8fafc;
    font-size: 14px;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar__sub {
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.sidebar__nav { padding: 12px 10px; flex: 1; }

.sidebar__grupo {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #64748b;
    padding: 14px 10px 6px;
    font-weight: 600;
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radio-sm);
    color: var(--sidebar-texto);
    font-weight: 500;
    margin-bottom: 2px;
    transition: background .12s, color .12s;
}

.sidebar__link:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
    text-decoration: none;
}

.sidebar__link.activo {
    background: var(--primario);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12);
}

.sidebar__link svg { flex: 0 0 18px; opacity: .9; }

.sidebar__pie {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, .07);
}

.usuario-caja {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radio-sm);
    background: var(--sidebar-2);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(140deg, #64748b, #334155);
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 600;
    font-size: 12px;
    flex: 0 0 32px;
}

.usuario-caja__datos { min-width: 0; flex: 1; }
.usuario-caja__nombre { color: #f1f5f9; font-weight: 600; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.usuario-caja__rol { font-size: 11px; color: #64748b; }

.contenido {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.barra-superior {
    background: var(--panel);
    border-bottom: 1px solid var(--borde);
    padding: 12px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 20;
}

.barra-superior__titulo { flex: 1; min-width: 0; }
.barra-superior__titulo p { margin: 1px 0 0; color: var(--texto-3); font-size: 12.5px; }

.pagina { padding: 20px 22px 40px; flex: 1; }

/* ------------------------------------------------------------------- tarjetas */

.tarjeta {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
}

.tarjeta__cabeza {
    padding: 14px 16px;
    border-bottom: 1px solid var(--borde);
    display: flex;
    align-items: center;
    gap: 12px;
}

.tarjeta__cabeza h2, .tarjeta__cabeza h3 { flex: 1; min-width: 0; }
.tarjeta__cuerpo { padding: 16px; }
.tarjeta__pie { padding: 12px 16px; border-top: 1px solid var(--borde); background: var(--panel-2); border-radius: 0 0 var(--radio) var(--radio); }

.rejilla { display: grid; gap: 16px; }
.rejilla--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rejilla--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rejilla--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1100px) {
    .rejilla--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .rejilla--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
    .rejilla--2, .rejilla--3, .rejilla--4 { grid-template-columns: minmax(0, 1fr); }
}

/* ------------------------------------------------------------------- metricas */

.metrica {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 14px 16px;
    box-shadow: var(--sombra);
}

.metrica__etiqueta {
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--texto-3);
    font-weight: 600;
}

.metrica__valor {
    font-size: 25px;
    font-weight: 650;
    letter-spacing: -.02em;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

.metrica__nota { font-size: 12px; color: var(--texto-2); margin-top: 2px; }
.metrica--exito .metrica__valor { color: var(--exito); }
.metrica--peligro .metrica__valor { color: var(--peligro); }
.metrica--primario .metrica__valor { color: var(--primario); }

/* --------------------------------------------------------------------- botones */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: var(--radio-sm);
    border: 1px solid var(--borde-fuerte);
    background: var(--panel);
    color: var(--texto);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 550;
    cursor: pointer;
    transition: background .12s, border-color .12s, box-shadow .12s, transform .06s;
    white-space: nowrap;
    text-decoration: none;
}

.btn:hover { background: var(--panel-3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--primario); outline-offset: 2px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn--primario { background: var(--primario); border-color: var(--primario); color: #fff; }
.btn--primario:hover { background: var(--primario-osc); border-color: var(--primario-osc); }

.btn--exito { background: var(--exito); border-color: var(--exito); color: #fff; }
.btn--exito:hover { background: #166534; border-color: #166534; }

.btn--peligro { background: var(--panel); border-color: #fca5a5; color: var(--peligro); }
.btn--peligro:hover { background: var(--peligro-suave); }

.btn--fantasma { background: transparent; border-color: transparent; color: var(--texto-2); }
.btn--fantasma:hover { background: var(--panel-3); color: var(--texto); }

.btn--grande { padding: 13px 20px; font-size: 15px; border-radius: var(--radio); }
.btn--bloque { width: 100%; }
.btn--sm { padding: 5px 9px; font-size: 12.5px; }

.btn--icono { padding: 6px; width: 32px; height: 32px; }

.botonera { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ------------------------------------------------------------------ formularios */

.campo { margin-bottom: 14px; }

.campo > label,
.etiqueta {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--texto-2);
    margin-bottom: 5px;
}

.entrada, select.entrada, textarea.entrada {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--borde-fuerte);
    border-radius: var(--radio-sm);
    background: var(--panel);
    font-family: inherit;
    font-size: 14px;
    color: var(--texto);
    transition: border-color .12s, box-shadow .12s;
}

.entrada:focus {
    outline: none;
    border-color: var(--primario);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

.entrada:disabled { background: var(--panel-3); color: var(--texto-2); }
textarea.entrada { resize: vertical; min-height: 74px; }

.entrada--dinero {
    font-size: 22px;
    font-weight: 600;
    text-align: right;
    font-variant-numeric: tabular-nums;
    padding: 12px 14px;
}

.ayuda { font-size: 12px; color: var(--texto-3); margin-top: 4px; }

.error-campo { color: var(--peligro); font-size: 12.5px; margin-top: 4px; display: block; }
.entrada.input-validation-error { border-color: var(--peligro); }

.interruptor {
    display: flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    user-select: none;
    font-size: 13.5px;
}

.interruptor input { width: 16px; height: 16px; accent-color: var(--primario); cursor: pointer; margin: 0; }

.fila-form { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.fila-form > * { flex: 1 1 170px; min-width: 0; }
.fila-form > .fila-form__auto { flex: 0 0 auto; }

/* --------------------------------------------------------------------- tablas */

.tabla-envoltura { overflow-x: auto; }

table.tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.tabla th {
    text-align: left;
    padding: 9px 12px;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--texto-3);
    font-weight: 650;
    background: var(--panel-2);
    border-bottom: 1px solid var(--borde);
    white-space: nowrap;
}

.tabla td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--borde);
    vertical-align: middle;
}

.tabla tbody tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: var(--panel-2); }
.tabla .der { text-align: right; font-variant-numeric: tabular-nums; }
.tabla .cen { text-align: center; }
.tabla tfoot td { padding: 11px 12px; font-weight: 650; background: var(--panel-2); border-top: 2px solid var(--borde-fuerte); font-variant-numeric: tabular-nums; }

.vacio {
    padding: 40px 20px;
    text-align: center;
    color: var(--texto-3);
}

.vacio svg { margin-bottom: 10px; opacity: .5; }
.vacio p { margin: 4px 0; }

/* -------------------------------------------------------------------- etiquetas */

.pastilla {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 11.5px;
    font-weight: 600;
    background: var(--panel-3);
    color: var(--texto-2);
    white-space: nowrap;
}

.pastilla--exito { background: var(--exito-suave); color: var(--exito); }
.pastilla--peligro { background: var(--peligro-suave); color: var(--peligro); }
.pastilla--alerta { background: var(--alerta-suave); color: var(--alerta); }
.pastilla--primario { background: var(--primario-suave); color: var(--primario-osc); }

.punto { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: 0 0 8px; }

/* --------------------------------------------------------------------- avisos */

.aviso {
    display: flex;
    gap: 11px;
    padding: 12px 14px;
    border-radius: var(--radio);
    border: 1px solid var(--borde);
    background: var(--panel);
    margin-bottom: 16px;
    font-size: 13.5px;
    align-items: flex-start;
}

.aviso svg { flex: 0 0 18px; margin-top: 1px; }
.aviso p { margin: 0; }
.aviso strong { display: block; margin-bottom: 2px; }

.aviso--exito { background: var(--exito-suave); border-color: #bbf7d0; color: #14532d; }
.aviso--peligro { background: var(--peligro-suave); border-color: #fecaca; color: #7f1d1d; }
.aviso--alerta { background: var(--alerta-suave); border-color: #fde68a; color: #78350f; }
.aviso--info { background: var(--primario-suave); border-color: #bfdbfe; color: #1e3a8a; }

/* ============================================================ pantalla de caja */

.pos {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 16px;
    align-items: start;
}

@media (max-width: 1180px) {
    .pos { grid-template-columns: minmax(0, 1fr); }
}

.escaner {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 16px;
    box-shadow: var(--sombra);
    margin-bottom: 16px;
}

.escaner__fila { display: flex; gap: 10px; align-items: stretch; }

.escaner__campo { flex: 1; position: relative; min-width: 0; }

.escaner__campo input {
    width: 100%;
    padding: 15px 15px 15px 46px;
    font-size: 18px;
    font-family: var(--fuente-mono);
    letter-spacing: .04em;
    border: 2px solid var(--borde-fuerte);
    border-radius: var(--radio);
    background: var(--panel-2);
    transition: border-color .12s, box-shadow .12s, background .12s;
}

.escaner__campo input:focus {
    outline: none;
    border-color: var(--primario);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .13);
}

.escaner__icono {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--texto-3);
    pointer-events: none;
}

.escaner__estado {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    color: var(--texto-3);
    margin-top: 9px;
}

.latido {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--exito);
    box-shadow: 0 0 0 0 rgba(21, 128, 61, .55);
    animation: latir 2s infinite;
}

@keyframes latir {
    0% { box-shadow: 0 0 0 0 rgba(21, 128, 61, .5); }
    70% { box-shadow: 0 0 0 7px rgba(21, 128, 61, 0); }
    100% { box-shadow: 0 0 0 0 rgba(21, 128, 61, 0); }
}

.sugerencias {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: var(--panel);
    border: 1px solid var(--borde-fuerte);
    border-radius: var(--radio);
    box-shadow: var(--sombra-lg);
    z-index: 40;
    max-height: 320px;
    overflow-y: auto;
}

.sugerencias:empty, .sugerencias[hidden] { display: none; }

.sugerencia {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--borde);
}

.sugerencia:last-child { border-bottom: none; }
.sugerencia:hover, .sugerencia.marcada { background: var(--primario-suave); }
.sugerencia__nombre { flex: 1; font-weight: 550; min-width: 0; }
.sugerencia__meta { font-size: 12px; color: var(--texto-3); }
.sugerencia__precio { font-weight: 650; font-variant-numeric: tabular-nums; }

/* carrito */

.carrito { min-height: 220px; }

.carrito .tabla td { padding: 10px 12px; }
.carrito__nombre { font-weight: 550; }
.carrito__meta { font-size: 11.5px; color: var(--texto-3); }

.contador {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--borde-fuerte);
    border-radius: var(--radio-sm);
    overflow: hidden;
    background: var(--panel);
}

.contador button {
    width: 28px;
    height: 30px;
    border: none;
    background: var(--panel-2);
    color: var(--texto-2);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
}

.contador button:hover { background: var(--borde); color: var(--texto); }

.contador input {
    width: 46px;
    height: 30px;
    border: none;
    text-align: center;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    background: transparent;
}

.contador input:focus { outline: none; background: var(--primario-suave); }

.fila-nueva { animation: entrar .35s ease-out; }

@keyframes entrar {
    from { background: #dbeafe; }
    to { background: transparent; }
}

/* panel de cobro */

.cobro {
    position: sticky;
    top: 78px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.total-caja {
    background: linear-gradient(155deg, #1e293b, #0f172a);
    color: #fff;
    border-radius: var(--radio);
    padding: 18px;
    box-shadow: var(--sombra-md);
}

.total-caja__etiqueta {
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .09em;
    color: #94a3b8;
    font-weight: 600;
}

.total-caja__valor {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -.025em;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    margin-top: 2px;
}

.total-caja__detalle {
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    color: #94a3b8;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.cambio-caja {
    border-radius: var(--radio);
    padding: 14px 16px;
    border: 1px solid var(--borde);
    background: var(--panel);
    display: flex;
    align-items: center;
    gap: 12px;
}

.cambio-caja--pagar { background: var(--exito-suave); border-color: #bbf7d0; }
.cambio-caja--falta { background: var(--alerta-suave); border-color: #fde68a; }

.cambio-caja__datos { flex: 1; min-width: 0; }
.cambio-caja__etiqueta { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; font-weight: 650; color: var(--texto-2); }
.cambio-caja__valor { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.cambio-caja--pagar .cambio-caja__valor { color: var(--exito); }
.cambio-caja--falta .cambio-caja__valor { color: var(--alerta); }

/* el "ojito" de confirmacion de cobro */

.ojo {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    border-radius: 50%;
    border: 2px solid var(--borde-fuerte);
    background: var(--panel);
    display: grid;
    place-items: center;
    cursor: pointer;
    color: var(--texto-3);
    transition: all .16s;
}

.ojo:hover { border-color: var(--primario); color: var(--primario); transform: scale(1.05); }

.ojo.confirmado {
    background: var(--exito);
    border-color: var(--exito);
    color: #fff;
    box-shadow: 0 0 0 5px rgba(21, 128, 61, .16);
}

.ojo:focus-visible { outline: 2px solid var(--primario); outline-offset: 3px; }

.billetes { display: flex; flex-wrap: wrap; gap: 6px; }

.billete {
    padding: 7px 11px;
    border: 1px solid var(--borde-fuerte);
    border-radius: var(--radio-sm);
    background: var(--panel);
    font-size: 13px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    font-family: inherit;
}

.billete:hover { background: var(--primario-suave); border-color: var(--primario); color: var(--primario-osc); }

.atajos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 8px;
}

.atajo {
    border: 1px solid var(--borde);
    border-radius: var(--radio-sm);
    background: var(--panel);
    padding: 9px 10px;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    border-left: 3px solid var(--primario);
    transition: box-shadow .12s, transform .06s;
}

.atajo:hover { box-shadow: var(--sombra-md); }
.atajo:active { transform: translateY(1px); }
.atajo__nombre { font-size: 12.5px; font-weight: 600; line-height: 1.25; display: block; }
.atajo__precio { font-size: 12px; color: var(--texto-2); font-variant-numeric: tabular-nums; }

.teclas { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--texto-3); }

kbd {
    font-family: var(--fuente-mono);
    font-size: 11px;
    padding: 1px 5px;
    border: 1px solid var(--borde-fuerte);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--panel-2);
    color: var(--texto-2);
}

/* --------------------------------------------------------------------- modales */

.velo {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .55);
    display: grid;
    place-items: center;
    z-index: 100;
    padding: 20px;
    animation: aparecer .15s;
}

.velo[hidden] { display: none; }

@keyframes aparecer { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--panel);
    border-radius: 14px;
    box-shadow: var(--sombra-lg);
    width: 100%;
    max-width: 440px;
    overflow: hidden;
    animation: subir .18s ease-out;
}

.modal--ancho { max-width: 620px; }

@keyframes subir { from { transform: translateY(14px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal__cabeza { padding: 16px 18px; border-bottom: 1px solid var(--borde); display: flex; align-items: center; gap: 10px; }
.modal__cabeza h2 { flex: 1; }
.modal__cuerpo { padding: 18px; }
.modal__pie { padding: 14px 18px; background: var(--panel-2); border-top: 1px solid var(--borde); display: flex; gap: 8px; justify-content: flex-end; }

.exito-venta { text-align: center; padding: 8px 0 4px; }

.exito-venta__icono {
    width: 62px;
    height: 62px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: var(--exito-suave);
    color: var(--exito);
    display: grid;
    place-items: center;
}

.exito-venta__cambio {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    color: var(--exito);
    line-height: 1.1;
}

/* --------------------------------------------------------------------- login */

.login {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 460px;
}

@media (max-width: 900px) {
    .login { grid-template-columns: 1fr; }
    .login__arte { display: none; }
}

.login__arte {
    background: linear-gradient(150deg, #1e3a8a 0%, #1e293b 55%, #0f172a 100%);
    color: #fff;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.login__arte::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -180px;
    top: -140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, .35), transparent 65%);
}

.login__arte h1 { font-size: 34px; line-height: 1.15; max-width: 15em; }
.login__arte p { color: #cbd5e1; max-width: 32em; font-size: 15px; }

.login__lista { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; position: relative; }
.login__lista li { display: flex; gap: 11px; align-items: flex-start; color: #e2e8f0; font-size: 14px; }
.login__lista svg { flex: 0 0 18px; margin-top: 2px; color: #60a5fa; }

.login__marca { display: flex; align-items: center; gap: 11px; position: relative; }

/* Logo de la tienda (Emilac) en marca del sidebar y del login */
.sidebar__logo { overflow: hidden; }
.sidebar__logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sidebar__logo--img { background: #fff; border-radius: 50%; }

.login__logo {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto 18px;
    background: #fff;
    box-shadow: 0 2px 14px rgba(2, 6, 23, .18);
}

.login__panel {
    background: var(--panel);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 36px;
}

.login__caja { width: 100%; max-width: 340px; }
.login__caja h2 { font-size: 24px; margin-bottom: 4px; }
.login__caja > p { color: var(--texto-2); margin: 0 0 26px; }
.login__pie { margin-top: 24px; font-size: 12px; color: var(--texto-3); text-align: center; }

/* --------------------------------------------------------------- recibo 80mm */

.recibo {
    width: 76mm;
    margin: 20px auto;
    padding: 6mm 4mm;
    background: #fff;
    font-family: var(--fuente-mono);
    font-size: 12px;
    line-height: 1.45;
    color: #000;
    box-shadow: var(--sombra-lg);
}

.recibo__centro { text-align: center; }
.recibo__tienda { font-size: 15px; font-weight: 700; letter-spacing: .02em; }
.recibo__sep { border-top: 1px dashed #000; margin: 6px 0; }
.recibo__fila { display: flex; justify-content: space-between; gap: 8px; }
.recibo__fila span:last-child { font-variant-numeric: tabular-nums; white-space: nowrap; }
.recibo__total { font-size: 17px; font-weight: 700; }
.recibo__linea-prod { margin-top: 3px; }
.recibo__acciones { text-align: center; margin: 16px 0 30px; }

@media print {
    body { background: #fff; }
    .recibo { width: auto; margin: 0; padding: 0; box-shadow: none; font-size: 11.5px; }
    .recibo__acciones, .no-imprimir { display: none !important; }
    @page { margin: 3mm; size: 80mm auto; }
}

/* ------------------------------------------------------- impresion de reportes */

@media print {
    .sidebar, .barra-superior, .no-imprimir { display: none !important; }
    .app { display: block; }
    .pagina { padding: 0; }
    .tarjeta { box-shadow: none; border-color: #999; break-inside: avoid; }
    a { color: #000; text-decoration: none; }
}

/* ------------------------------------------------------------------ utilidades */

.flex { display: flex; }
.flex-1 { flex: 1; min-width: 0; }
.centrado-v { display: flex; align-items: center; gap: 8px; }
.entre { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.der { text-align: right; }
.cen { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.tenue { color: var(--texto-3); }
.texto-exito { color: var(--exito); font-weight: 600; }
.texto-peligro { color: var(--peligro); font-weight: 600; }
.suave { color: var(--texto-2); }
.pequeno { font-size: 12.5px; }
.fuerte { font-weight: 650; }
.grande { font-size: 18px; }
.nowrap { white-space: nowrap; }
.oculto { display: none !important; }
.ancho-completo { width: 100%; }
.max-560 { max-width: 560px; }
.max-720 { max-width: 720px; }

.barra-progreso { height: 6px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.barra-progreso > div { height: 100%; border-radius: 99px; background: var(--primario); }

/* grafico de barras simple, sin librerias */

.grafico { display: flex; align-items: flex-end; gap: 5px; height: 170px; padding-top: 10px; }

.grafico__col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 5px; min-width: 0; height: 100%; }

.grafico__barra {
    width: 100%;
    max-width: 42px;
    background: linear-gradient(180deg, #60a5fa, #2563eb);
    border-radius: 4px 4px 0 0;
    min-height: 2px;
    position: relative;
    transition: filter .12s;
}

.grafico__col:hover .grafico__barra { filter: brightness(1.12); }
.grafico__etiqueta { font-size: 10.5px; color: var(--texto-3); white-space: nowrap; }

.toast-zona {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
}

.toast {
    background: var(--sidebar);
    color: #f8fafc;
    padding: 11px 15px;
    border-radius: var(--radio-sm);
    box-shadow: var(--sombra-lg);
    font-size: 13.5px;
    max-width: 340px;
    animation: subir .18s ease-out;
    display: flex;
    gap: 9px;
    align-items: flex-start;
}

.toast--error { background: #7f1d1d; }
.toast--exito { background: #14532d; }