/**
 * POS CompraMAS - Estilos del módulo de ventas
 * Fase 2: Mobile First - productos | carrito
 * Fase 6.3.3: Sidebar desktop colapsable (1280px+)
 */

/* Safe area iOS: evitar que la cabecera se meta bajo la barra de estado */
@media (max-width: 767px) {
    .app-header.pos-header {
        padding-top: calc(var(--space-3) + env(safe-area-inset-top));
    }
}

/* Layout wrapper: sidebar + container; usa todo el espacio al colapsar el sidebar */
.pos-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    min-width: 0;
    width: 100%;
    max-width: 100%;
}

/* Contenedor POS: ocupa todo el ancho disponible del view-container */
.pos-container {
    max-width: 100%;
}

/* Sidebar navegación: oculto en mobile, visible en tablet/desktop (1024px+) */
.pos-nav-sidebar,
.app-shell .pos-nav-sidebar,
#app-sidebar {
    display: none;
}

/* Footer del sidebar: usuario, tema, logout — visible en desktop y mobile overlay */
.pos-nav-sidebar-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-2) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pos-nav-sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    min-height: 44px;
    cursor: default;
}

.pos-nav-sidebar-avatar {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold, 700);
}

.pos-nav-sidebar-username {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Estilos globales de items del sidebar ────────────────────────────────
   Aplican tanto en el sidebar desktop como en el overlay mobile.
   Los estilos de tamaño/visibilidad del contenedor van en la media query. */

.pos-nav-sidebar-items {
    flex: 0 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: var(--space-2) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pos-nav-group {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: var(--space-2);
}
.pos-nav-group:last-child {
    margin-bottom: 0;
}

.pos-nav-group-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    padding: var(--space-2) var(--space-3) var(--space-1);
    margin-top: var(--space-1);
}
.pos-nav-group:first-child .pos-nav-group-label {
    margin-top: 0;
}

.pos-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    color: var(--color-header-title);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
    min-height: 44px;
    border-left: 3px solid transparent;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}

.pos-nav-item:hover {
    background: var(--hover-overlay);
    color: var(--color-header-title);
    opacity: 0.9;
}

.pos-nav-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.pos-nav-item-danger:hover {
    color: var(--color-error);
}

/* Enlace Almacén en el menú: color distinto para identificarlo */
#app-sidebar .pos-nav-item[data-route="/almacen"] .pos-nav-label,
#app-sidebar a.pos-nav-item[href*="almacen"] .pos-nav-label {
    color: var(--color-primary);
}
#app-sidebar .pos-nav-item[data-route="/almacen"]:hover .pos-nav-label,
#app-sidebar a.pos-nav-item[href*="almacen"]:hover .pos-nav-label {
    color: var(--color-primary-hover);
}

.pos-nav-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1;
    /* Evitar distorsión de emojis en móvil horizontal/tablet */
}

.pos-nav-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--transition-base), width var(--transition-base);
}

/* Acciones arriba del sidebar: tema y cerrar sesión (texto azul, bordes sin cambiar) */
.pos-nav-sidebar-actions {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-2);
}

#app-sidebar .pos-nav-sidebar-action,
#app-sidebar .pos-nav-sidebar-action .pos-nav-icon,
#app-sidebar .pos-nav-sidebar-action .pos-nav-label,
.pos-nav-sidebar-actions .pos-nav-sidebar-action,
.pos-nav-sidebar-actions .pos-nav-sidebar-action .pos-nav-icon,
.pos-nav-sidebar-actions .pos-nav-sidebar-action .pos-nav-label {
    color: var(--color-header-title) !important;
}

.pos-nav-sidebar-action:hover {
    background: var(--hover-overlay);
}

#app-sidebar .pos-nav-sidebar-action:hover .pos-nav-icon,
#app-sidebar .pos-nav-sidebar-action:hover .pos-nav-label,
.pos-nav-sidebar-actions .pos-nav-sidebar-action:hover .pos-nav-icon,
.pos-nav-sidebar-actions .pos-nav-sidebar-action:hover .pos-nav-label {
    color: var(--color-header-title) !important;
    opacity: 0.9;
}

.pos-nav-sidebar-toggle {
    flex-shrink: 0;
    width: 100%;
    min-height: 48px;
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    color: var(--color-header-title);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    transition: color var(--transition-fast);
}

.pos-nav-sidebar-toggle:hover {
    color: var(--color-header-title);
    opacity: 0.9;
    background: var(--hover-overlay);
}

.pos-nav-sidebar-toggle-bottom {
    border-top: 1px solid var(--color-border);
}

.pos-nav-sidebar-toggle-icon {
    transition: transform var(--transition-base);
}

/* Sidebar visible desde tablet (≥768px) */
@media (min-width: 768px) {
    .pos-nav-sidebar,
    .app-shell .pos-nav-sidebar,
    #app-sidebar {
        display: flex;
        flex-direction: column;
        flex-shrink: 0;
        width: 200px;
        min-height: calc(100dvh - var(--pos-header-height, 64px));
        background: var(--color-surface-muted);
        border-right: 1px solid var(--color-border);
        transition: width var(--transition-base);
        will-change: width;
        overflow: hidden;
    }

    .pos-nav-sidebar.collapsed,
    .app-shell .pos-nav-sidebar.collapsed,
    #app-sidebar.collapsed {
        width: 52px;
        min-width: 52px;
        max-width: 52px;
    }

    .pos-nav-sidebar.collapsed .pos-nav-label,
    .pos-nav-sidebar.collapsed .pos-nav-sidebar-username {
        opacity: 0;
        width: 0;
        overflow: hidden;
        white-space: nowrap;
        pointer-events: none;
    }

    .pos-nav-sidebar.collapsed .pos-nav-sidebar-toggle {
        justify-content: center;
        padding-left: 0;
        padding-right: 0;
    }

    .pos-nav-sidebar.collapsed .pos-nav-sidebar-toggle-icon {
        transform: rotate(180deg);
    }

    .pos-nav-sidebar.collapsed .pos-nav-group-label {
        opacity: 0;
        width: 0;
        overflow: hidden;
        padding: 0;
        margin: 0;
        min-height: 0;
        height: 0;
    }

    .pos-nav-sidebar.collapsed .pos-nav-item {
        justify-content: center;
        padding-left: 0;
        padding-right: 0;
    }

    .pos-nav-sidebar.collapsed .pos-nav-sidebar-user {
        justify-content: center;
        padding-left: 0;
        padding-right: 0;
    }

    .pos-nav-sidebar.collapsed .pos-nav-sidebar-avatar {
        margin: 0;
    }

    /* Ocultar nav del header — el sidebar la tiene */
    .pos-header .pos-header-nav-links {
        display: none;
    }

    .pos-header .pos-header-nav .app-header-sep:first-of-type {
        display: none;
    }
}

/* Desktop (1024px+): sidebar expandible/colapsable con texto visible al expandir */
@media (min-width: 1024px) {
    .pos-nav-sidebar:not(.collapsed),
    .app-shell .pos-nav-sidebar:not(.collapsed),
    #app-sidebar:not(.collapsed) {
        width: 200px;
        min-width: 200px;
    }

    .pos-nav-sidebar:not(.collapsed) .pos-nav-label,
    .pos-nav-sidebar:not(.collapsed) .pos-nav-sidebar-username,
    .app-shell .pos-nav-sidebar:not(.collapsed) .pos-nav-label,
    .app-shell .pos-nav-sidebar:not(.collapsed) .pos-nav-sidebar-username,
    #app-sidebar:not(.collapsed) .pos-nav-label,
    #app-sidebar:not(.collapsed) .pos-nav-sidebar-username {
        opacity: 1;
        width: auto;
        overflow: visible;
    }

    .pos-nav-sidebar:not(.collapsed) .pos-nav-item,
    #app-sidebar:not(.collapsed) .pos-nav-item {
        justify-content: flex-start;
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }

    .pos-nav-sidebar:not(.collapsed) .pos-nav-sidebar-user,
    #app-sidebar:not(.collapsed) .pos-nav-sidebar-user {
        justify-content: flex-start;
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
}

/* Tablet icon-only: forzar sidebar colapsado (768-1023px) — móvil horizontal sin hamburger */
@media (min-width: 768px) and (max-width: 1023px) {
    .pos-nav-sidebar,
    .app-shell .pos-nav-sidebar,
    #app-sidebar {
        width: 52px;
        min-width: 52px;
        max-width: 52px;
    }

    /* Ocultar etiquetas, grupos y nombre de usuario en modo icon */
    .pos-nav-label,
    .pos-nav-sidebar-username,
    .pos-nav-group-label {
        opacity: 0 !important;
        width: 0 !important;
        overflow: hidden !important;
        white-space: nowrap;
        padding: 0 !important;
        margin: 0 !important;
        min-height: 0 !important;
        height: 0 !important;
        pointer-events: none;
    }

    /* Centrar iconos en los items */
    .pos-nav-item {
        justify-content: center;
        padding-left: 0;
        padding-right: 0;
    }

    /* Ocultar botón colapsar — sidebar colapsado permanentemente en tablet */
    .pos-nav-sidebar-toggle {
        display: none;
    }
}

/* Fase 3 — POS en tablet (768–1023px): controles táctiles ≥44px (Opción A: layout grid + carrito) */
@media (min-width: 768px) and (max-width: 1023px) {
    .pos-btn-confirm,
    .pos-btn-espera,
    .pos-btn-tickets-espera {
        min-height: 44px;
        touch-action: manipulation;
    }

    .pos-payment-option {
        min-height: 44px;
        touch-action: manipulation;
    }

    .pos-numpad-key {
        min-height: 44px;
        touch-action: manipulation;
    }

    .pos-cobro-modal-close,
    .pos-cobro-modal-actions .btn {
        min-height: 44px;
        touch-action: manipulation;
    }

    .pos-quick-btn {
        touch-action: manipulation;
    }

    .pos-qty-btn,
    .pos-cart-item-remove {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
    }
}

/* POS header simplificado: solo "Cerrar caja" a la derecha (el resto está en el sidebar) */
.pos-header-nav-simple {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.pos-header-nav-simple .pos-header-nav-spacer {
    flex: 1;
    min-width: var(--space-2);
}
.pos-header-nav-simple .app-header-user {
    flex-shrink: 0;
}
.pos-header-nav-simple #pos-link-cerrar-caja {
    flex-shrink: 0;
}

/* En móvil: ocultar "Cerrar caja" del header (se muestra en el drawer del carrito junto a Limpiar) */
@media (max-width: 767px) {
    .pos-header-nav-simple #pos-link-cerrar-caja {
        display: none !important;
    }
}

/* Botón "Cerrar caja" en cabecera del carrito: solo visible en móvil, junto a Limpiar */
.pos-drawer-cerrar-caja {
    display: none;
}
@media (max-width: 767px) {
    .pos-drawer-cerrar-caja {
        display: inline-flex;
        align-items: center;
        min-height: 36px;
        -webkit-tap-highlight-color: transparent;
        tap-highlight-color: transparent;
    }
    .pos-cart-header-actions {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        flex-wrap: wrap;
    }
}

/* Botón solo icono en header POS (ej. Cerrar sesión cuando no hay app-shell) */
.pos-header-btn-icon {
    min-width: 44px;
    min-height: 44px;
    padding: var(--space-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Mobile: 1 columna, carrito en drawer, barra inferior fija */
.pos-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    min-height: calc(100dvh - var(--app-header-height, 56px));
    padding: var(--space-4);
    padding-bottom: 0;
    flex: 1;
    min-width: 0;
}

/* Espacio para barra inferior en mobile (evita que productos queden ocultos) */
@media (max-width: 767px) {
    .pos-container {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }
}

/* Mobile landscape: pantalla muy corta — compactar barra inferior y modales */
@media (max-width: 767px) and (orientation: landscape) {
    .pos-container {
        padding-bottom: calc(52px + env(safe-area-inset-bottom));
    }
    .pos-bottom-bar {
        min-height: 52px;
        padding: var(--space-2) var(--space-4);
    }
    .pos-cobro-modal .pos-cobro-modal-content {
        max-height: 96dvh;
        border-radius: var(--radius-lg);
    }
    .pos-recibo-modal {
        max-height: 96dvh;
    }
}

/* Tablet (768px+): 2 columnas — productos | carrito más ancho para mejor visibilidad */
@media (min-width: 768px) {
    .pos-container {
        grid-template-columns: 1fr minmax(340px, 420px);
        gap: var(--space-4);
        padding: var(--space-4);
        padding-bottom: var(--space-4);
    }
}

/* Desktop (1024px+): carrito más ancho, toma espacio del contenido central */
@media (min-width: 1024px) {
    .pos-container {
        grid-template-columns: 1fr minmax(400px, 480px);
        gap: var(--space-5);
        padding: var(--space-5);
    }
}

/* Desktop Large (1280px+): carrito hasta 520px o 42vw, colapsable */
@media (min-width: 1280px) {
    .pos-container {
        grid-template-columns: 1fr minmax(420px, min(520px, 42vw));
        gap: var(--space-6);
        padding: var(--space-6);
    }

    /* Carrito colapsable (UX 6.3.3): panel puede colapsarse si admin solo consulta */
    .pos-container.pos-carrito-collapsed {
        grid-template-columns: 1fr 56px;
    }

    .pos-container.pos-carrito-collapsed .pos-main {
        padding: var(--space-2);
        min-width: 0;
    }

    .pos-container.pos-carrito-collapsed .pos-cart,
    .pos-container.pos-carrito-collapsed .pos-payment {
        display: none !important;
    }

    .pos-cart-collapsed-bar {
        display: none;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-2);
        padding: var(--space-2) 0;
    }

    .pos-container.pos-carrito-collapsed .pos-cart-collapsed-bar {
        display: flex;
    }

    .pos-cart-collapsed-info {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-1);
        flex: 1;
    }

    .pos-cart-collapsed-count {
        font-size: var(--text-xs);
        color: var(--color-text-muted);
    }

    .pos-cart-collapsed-total {
        font-size: var(--text-sm);
        font-weight: var(--font-bold);
        color: var(--color-primary);
        font-variant-numeric: tabular-nums;
    }

    .pos-cart-collapsed-expand {
        width: 36px;
        height: 36px;
        padding: 0;
        border: none;
        background: var(--color-surface-muted);
        color: var(--color-text);
        font-size: 0.875rem;
        cursor: pointer;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background var(--transition-fast);
    }

    .pos-cart-collapsed-expand:hover {
        background: var(--color-primary);
        color: var(--color-primary-contrast);
    }

    .pos-cart-collapse-toggle.pos-desktop-only {
        display: none;
    }
}

@media (min-width: 1280px) {
    .pos-cart-collapse-toggle.pos-desktop-only {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        padding: 0;
        border: none;
        background: var(--color-surface-muted);
        color: var(--color-text);
        font-size: 0.75rem;
        cursor: pointer;
        border-radius: var(--radius-md);
        margin-left: auto;
    }

    .pos-cart-collapse-toggle.pos-desktop-only:hover {
        background: var(--color-primary);
        color: var(--color-primary-contrast);
    }
}

/* En mobile/tablet la barra colapsada no se usa (el carrito es drawer o panel completo) */
@media (max-width: 1279px) {
    .pos-cart-collapsed-bar {
        display: none !important;
    }
}

/* ===== BARRA INFERIOR DESKTOP (accesos rápidos en la parte inferior del POS) ===== */
.pos-desktop-bottom-bar {
    display: none;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .pos-desktop-bottom-bar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-3) var(--space-4);
        background: var(--color-surface-muted);
        border-top: 1px solid var(--color-border);
        grid-column: 1 / -1;
    }

    .pos-desktop-bottom-bar .pos-desktop-bottom-link {
        flex-shrink: 0;
    }
}

/* ===== BARRA INFERIOR MÓVIL (Fase 2) ===== */
.pos-bottom-bar {
    display: none;
}

@media (max-width: 767px) {
    .pos-bottom-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 150;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-3);
        min-height: 64px;
        padding: var(--space-3) var(--space-4);
        padding-bottom: max(var(--space-3), env(safe-area-inset-bottom));
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
        touch-action: manipulation;
    }

    .pos-bottom-bar-cart {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        min-width: 0;
        flex: 1;
    }

    .pos-bottom-bar-cart-trigger {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-3);
        background: transparent;
        border: none;
        cursor: pointer;
        font-size: var(--text-base);
        color: var(--color-text);
        min-height: 44px;
        touch-action: manipulation;
    }

    .pos-bottom-bar-cart-trigger:active {
        opacity: 0.8;
    }

    .pos-bottom-bar-cart-badge {
        background: var(--color-primary);
        color: var(--color-primary-contrast);
        font-weight: var(--font-bold);
        font-size: var(--text-sm);
        min-width: 24px;
        height: 24px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    /* Con productos: azul para indicar carrito con ítems */
    .pos-bottom-bar-cart-badge.pos-bottom-bar-cart-badge--has-items {
        background: var(--color-info);
        color: var(--color-info-contrast);
    }
    /* Animación "monedero" al agregar un ítem */
    .pos-bottom-bar-cart-badge.pos-badge-pop {
        animation: pos-badge-pop 0.4s ease-out;
    }
    @keyframes pos-badge-pop {
        0% { transform: scale(1); }
        35% { transform: scale(1.35); }
        55% { transform: scale(0.92); }
        75% { transform: scale(1.08); }
        100% { transform: scale(1); }
    }

    .pos-bottom-bar-total {
        font-weight: var(--font-bold);
        font-size: var(--text-lg);
        color: var(--color-primary);
        font-variant-numeric: tabular-nums;
    }

    .pos-bottom-bar-cobrar {
        min-height: 48px;
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-lg);
        font-weight: var(--font-bold);
        border-radius: var(--radius-lg);
        flex-shrink: 0;
    }
}

/* ===== LAYOUT POS MOBILE (modal/drawer único con scroll) ===== */
@media (max-width: 767px) {
    .pos-main {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 200;
        background: var(--color-surface);
        transform: translateY(100%);
        transition: transform var(--duration-slow) ease;
        will-change: transform;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        padding-top: calc(var(--space-4) + env(safe-area-inset-top));
    }

    .pos-main.pos-drawer-open {
        transform: translateY(0);
    }

    .pos-drawer-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 199;
        opacity: 0;
        transition: opacity var(--duration-slow) ease;
    }

    .pos-drawer-backdrop.visible {
        display: block;
        opacity: 1;
    }
}

@media (min-width: 768px) {
    .pos-drawer-backdrop {
        display: none !important;
    }

    .pos-drawer-close-btn {
        display: none;
    }
}

/* Botón cerrar drawer (solo mobile) */
.pos-drawer-close-btn {
    display: none;
}

@media (max-width: 767px) {
    .pos-drawer-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        min-width: 44px;
        border: none;
        background: var(--color-surface-muted);
        color: var(--color-text);
        font-size: 1.25rem;
        cursor: pointer;
        border-radius: var(--radius-md);
        touch-action: manipulation;
    }

    .pos-cart-header {
        display: flex;
        align-items: flex-start;
        gap: var(--space-2);
        flex-wrap: wrap;
        min-height: 56px;
    }

    .pos-cart-title {
        flex: 1 1 100%;
    }

    .pos-cart-header-actions {
        display: flex;
        flex: 1 1 100%;
        gap: var(--space-2);
    }

    .pos-cart-header-actions .btn {
        min-height: 40px;
        flex: 1 1 0;
    }

    .pos-cart-header .pos-drawer-close-btn {
        margin-left: auto;
    }

    /* Drawer scroll (un solo scroll, sin sticky/scroll interno) */
    .pos-drawer-scroll {
        flex: 1 1 auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--space-md);
    }

    .pos-drawer-footer {
        flex: 0 0 auto;
        padding: var(--space-md);
        padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
        border-top: 1px solid var(--color-border, #1f2937);
        background: var(--color-surface);
    }

    .pos-cart-items {
        overflow: visible;
        max-height: none;
        flex: 0 0 auto;
    }

    .pos-cart-summary {
        position: static;
        padding-bottom: 0;
        border-top: 0;
        background: transparent;
    }

    .pos-descuento-controls {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-xs);
    }

    .pos-descuento-select,
    .pos-descuento-input {
        grid-column: span 1;
    }

    .pos-descuento-aplicar,
    .pos-descuento-quitar {
        width: 100%;
    }
}

.pos-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    color: var(--color-text);
}

.pos-abrir-caja-banner {
    background: color-mix(in srgb, var(--color-primary, #f97316) 12%, var(--color-surface-muted, #1e293b));
    border: 1px solid color-mix(in srgb, var(--color-primary, #f97316) 40%, transparent);
    border-radius: var(--radius-lg, 0.75rem);
    padding: var(--space-xl);
    text-align: center;
}

.pos-abrir-caja-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.pos-abrir-caja-title {
    margin: 0 0 var(--space-xs);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

.pos-abrir-caja-text {
    margin: 0 0 var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--text-sm, 0.875rem);
    line-height: 1.4;
}

.pos-btn-abrir-caja {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
}

.pos-search {
    position: relative;
}

.pos-search-row {
    display: flex;
    gap: var(--space-sm);
    align-items: stretch;
}

.pos-search-row .input,
.pos-search-input {
    flex: 1;
    min-width: 0;
    min-height: 48px;
    font-size: 16px;
}

@media (min-width: 768px) {
    .pos-search-input {
        font-size: var(--text-base);
    }
}

.pos-btn-camara {
    flex-shrink: 0;
    padding: var(--space-sm) var(--space-md);
}

@media (min-width: 1280px) {
    .pos-btn-camara {
        display: none;
    }
}

.pos-btn-camara-icon {
    font-size: 1.25rem;
}

/* ===== Opciones de forma de pago ===== */
.pos-payment-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.pos-payment-option {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

@media (max-width: 767px) {
    .pos-payment-options {
        flex-direction: column;
    }

    .pos-payment-option {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
        border-radius: var(--radius-md);
        background: var(--color-surface-muted);
        min-height: 44px;
    }

    .pos-payment-option input[type="radio"] {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
    }

    .pos-payment-option span {
        flex: 1 1 auto;
        font-size: var(--text-base);
    }
}

.pos-scanner-modal .pos-scanner-content {
    background: var(--color-surface);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 95%;
    text-align: center;
}

.pos-scanner-modal h4 {
    margin: 0 0 var(--space-sm) 0;
}

.pos-scanner-hint {
    margin: 0 0 var(--space-md) 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.pos-scanner-modal #pos-scanner-reader {
    margin: var(--space-md) 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.pos-scanner-modal #pos-scanner-reader video {
    max-width: 100%;
}

.pos-scanner-cancel {
    margin-top: var(--space-md);
}

.pos-search .input {
    font-size: 1.1rem;
    padding: var(--space-md);
}

.pos-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: var(--elevation-2);
}

.pos-search-results.visible {
    display: block;
}

.pos-search-item {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: var(--text-base);
}

.pos-search-item:hover {
    background: var(--color-bg);
}

.pos-search-item-disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.pos-search-item-disabled:hover {
    background: var(--color-danger-muted);
}

/* Primer resultado destacado (UX 1.2: seleccionar con Enter o primer resultado) */
.pos-search-item-first:not(.pos-search-item-disabled) {
    border-left: 3px solid var(--color-primary);
    background: var(--color-primary-muted);
}

.pos-stock-cero {
    color: var(--color-danger);
    font-size: var(--text-xs);
}

.pos-stock-bajo {
    color: var(--color-warning);
    font-size: var(--text-xs);
}

.pos-stock-info {
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
}

.pos-search-item-single {
    background: var(--color-success-muted);
}

.pos-search-empty {
    padding: var(--space-md);
    color: var(--color-text-muted);
}

.pos-search-loading {
    padding: var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pos-search-loading::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: pos-spinner 0.6s linear infinite;
    flex-shrink: 0;
}

.pos-offline-empty {
    color: var(--color-warning);
    font-size: var(--text-sm);
}

.pos-products-quick h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

/* Grid productos: 2 cols mobile, 3-4 tablet, 4-5 desktop */
.pos-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
}

@media (min-width: 768px) {
    .pos-quick-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-3);
    }
}

@media (min-width: 1024px) {
    .pos-quick-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-4);
    }
}

/* Desktop Large (1280px+): 5 columnas según Fase 2 */
@media (min-width: 1280px) {
    .pos-quick-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Tarjetas producto (Fase 5): nombre, precio, stock */
.pos-quick-btn {
    padding: var(--space-3) var(--space-4);
    min-height: 80px;
    touch-action: manipulation;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--text-base);
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-1);
    word-break: break-word;
    overflow: hidden;
    box-shadow: var(--elevation-0);
    transition: border-color var(--transition-base), background-color var(--transition-base),
                box-shadow var(--transition-base), transform var(--transition-fast);
}

.pos-quick-btn-name,
.pos-quick-btn:hover .pos-quick-btn-name,
.pos-quick-btn:focus .pos-quick-btn-name,
.pos-quick-btn:focus-visible .pos-quick-btn-name,
.pos-quick-btn-disabled .pos-quick-btn-name {
    color: var(--color-text);
}

.pos-quick-btn-name {
    font-weight: var(--font-medium);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.pos-quick-btn-price {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    font-variant-numeric: tabular-nums;
    color: var(--color-primary);
}

.pos-quick-btn-stock {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

[data-theme="dark"] .pos-quick-btn-stock {
    color: var(--color-text-muted);
}

/* Hover solo en dispositivos con cursor; en táctiles evita que quede "pegado" el naranja */
@media (hover: hover) {
    .pos-quick-btn:hover:not(:disabled) {
        border-color: var(--color-primary);
        background: var(--color-primary-muted);
        box-shadow: var(--elevation-2);
    }
}

.pos-quick-btn:active:not(:disabled) {
    transform: scale(0.98);
}

/* En táctiles: feedback breve al soltar, sin mantener estado */
@media (hover: none) {
    .pos-quick-btn:active:not(:disabled) {
        background: var(--color-primary-muted);
        border-color: var(--color-primary);
    }
}

/* Fase 5.4: focus visible para navegación por teclado */
.pos-quick-btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.pos-quick-btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (min-width: 768px) {
    .pos-quick-btn {
        min-height: 90px;
    }
}

@media (min-width: 1024px) {
    .pos-quick-btn {
        min-height: 100px;
    }
}

/* Skeleton de carga (Fase 5) */
.pos-quick-skeleton {
    padding: var(--space-3) var(--space-4);
    min-height: 80px;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    justify-content: center;
}

.pos-skeleton-line {
    height: 12px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--color-surface-muted) 25%, var(--color-border) 50%, var(--color-surface-muted) 75%);
    background-size: 200% 100%;
    animation: pos-skeleton-shimmer 1.2s ease-in-out infinite;
}

.pos-skeleton-name {
    width: 85%;
}

.pos-skeleton-price {
    width: 50%;
    height: 14px;
}

@keyframes pos-skeleton-shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}

.pos-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--elevation-1);
    min-width: 0;
}

@media (min-width: 768px) {
    .pos-main {
        gap: var(--space-5);
        padding: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .pos-main {
        gap: var(--space-6);
        padding: var(--space-6);
    }
}

.pos-cart {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 200px;
    min-width: 0;
}

@media (min-width: 768px) {
    .pos-cart {
        min-height: 40vh;
    }
}

.pos-cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    gap: var(--space-2);
}

.pos-cart-header .pos-cart-title {
    margin: 0;
    flex-shrink: 0;
}

.pos-btn-cancelar-todo {
    font-size: var(--text-sm);
    margin-left: auto;
}

.pos-cart-header .pos-cart-collapse-toggle,
.pos-cart-header .pos-drawer-close-btn {
    flex-shrink: 0;
}

.pos-cart-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-md);
}

/* Fase 2: scroll independiente; espacio para 6-8 ítems sin scroll */
.pos-cart-items {
    flex: 1;
    overflow-y: auto;
    max-height: 300px;
}

@media (max-width: 767px) {
    /* Mobile-first: mantener SOLO un scroll (el del drawer), evitar scroll interno dentro del carrito */
    .pos-cart-items {
        overflow-y: visible !important;
        max-height: none !important;
    }
}

@media (min-width: 768px) {
    .pos-cart-items {
        max-height: 420px;
    }
}

.pos-cart-empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    display: none;
}

.pos-cart-empty.visible {
    display: block;
}

.pos-cart-empty::before {
    content: '🛒';
    display: block;
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    opacity: 0.4;
}

.pos-cart-empty.visible {
    padding: var(--space-8) var(--space-4);
}

/* Resumen compacto del carrito en la sección de pago (mobile first) */
@media (max-width: 767px) {
    .pos-payment-cart-mini {
        border-radius: var(--radius-lg);
        border: 1px solid var(--color-border-subtle);
        background: var(--color-surface-muted);
        padding: var(--space-2);
        margin-bottom: var(--space-3);
    }

    .pos-payment-cart-mini-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-2);
        background: transparent;
        border: none;
        padding: 0;
        font: inherit;
        color: inherit;
    }

    .pos-payment-cart-mini-title {
        font-weight: var(--font-weight-semibold, 600);
    }

    .pos-payment-cart-mini-total {
        font-weight: var(--font-weight-semibold, 600);
    }

    .pos-payment-cart-mini-list {
        margin-top: var(--space-2);
        max-height: 160px;
        overflow-y: auto;
        border-top: 1px dashed var(--color-border-subtle);
        padding-top: var(--space-2);
    }

    .pos-payment-cart-mini-item {
        display: grid;
        grid-template-columns: 2fr 3fr auto;
        gap: var(--space-1);
        font-size: var(--text-xs);
        padding: var(--space-1) 0;
    }

    .pos-payment-cart-mini-item + .pos-payment-cart-mini-item {
        border-top: 1px solid var(--color-border-subtle);
    }

    .pos-payment-mini-qty-btn {
        border: none;
        background: var(--color-surface-muted);
        color: inherit;
        width: 24px;
        height: 24px;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        padding: 0;
        margin: 0 2px;
    }

    .pos-payment-mini-qty-label {
        display: inline-block;
        min-width: 70px;
        text-align: center;
    }

    .pos-payment-mini-remove {
        margin-left: var(--space-1);
        border: none;
        background: transparent;
        color: var(--color-danger);
        font-size: 1rem;
        padding: 0;
        cursor: pointer;
    }
}

@media (min-width: 768px) {
    .pos-payment-cart-mini {
        display: none;
    }
}

/* Swipe para eliminar (Fase 5.5) - mobile */
.pos-cart-item-swipe {
    position: relative;
    overflow: hidden;
}

.pos-cart-item-swipe-content {
    background: var(--color-surface);
    transition: transform var(--transition-base);
}

.pos-cart-item-swipe-delete {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    margin-top: -20px;
    border-radius: 50%;
    background: var(--color-danger);
    color: var(--color-danger-contrast);
    border: none;
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    padding: 0;
    box-shadow: var(--elevation-2);
}

.pos-cart-item {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: var(--space-2);
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-fast);
}

@media (max-width: 767px) {
    .pos-cart-item {
        gap: var(--space-1);
        grid-template-columns: 1fr minmax(0, auto) minmax(60px, auto) auto;
    }
}

.pos-cart-item:hover {
    background: var(--color-surface-muted);
}

.pos-cart-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pos-cart-item-info strong {
    font-size: var(--text-sm);
}

.pos-cart-item-info span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.pos-cart-item-qty {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.pos-qty-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    transition: border-color var(--transition-base), background-color var(--transition-base);
}

.pos-qty-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: var(--color-primary-muted);
}

.pos-qty-btn:active:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-primary-contrast);
}

/* Botón + (sumar): tono verde */
.pos-qty-btn[data-delta="1"] {
    border-color: color-mix(in srgb, var(--color-success) 50%, var(--color-border));
    background: color-mix(in srgb, var(--color-success) 12%, var(--color-surface));
    color: var(--color-success);
}

.pos-qty-btn[data-delta="1"]:hover:not(:disabled) {
    border-color: var(--color-success);
    background: var(--color-success-muted);
    color: var(--color-success);
}

.pos-qty-btn[data-delta="1"]:active:not(:disabled) {
    background: var(--color-success);
    color: var(--color-success-contrast);
}

/* Botón − (restar): rojo suave */
.pos-qty-btn[data-delta="-1"] {
    border-color: color-mix(in srgb, var(--color-danger) 45%, var(--color-border));
    background: color-mix(in srgb, var(--color-danger) 10%, var(--color-surface));
    color: var(--color-danger);
}

.pos-qty-btn[data-delta="-1"]:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--color-danger) 70%, var(--color-border));
    background: color-mix(in srgb, var(--color-danger) 18%, var(--color-surface));
    color: var(--color-danger);
}

.pos-qty-btn[data-delta="-1"]:active:not(:disabled) {
    background: color-mix(in srgb, var(--color-danger) 25%, var(--color-surface));
    color: var(--color-danger-contrast);
}

.pos-qty-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pos-cart-item-subtotal {
    font-weight: var(--font-semibold);
    font-variant-numeric: tabular-nums;
    min-width: 72px;
    text-align: right;
    padding-right: var(--space-2);
}

.pos-cart-item-remove {
    background: color-mix(in srgb, var(--color-error) 12%, transparent);
    border: none;
    color: var(--color-error);
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    min-width: 36px;
    min-height: 36px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.pos-cart-item-remove:hover {
    background: color-mix(in srgb, var(--color-error) 22%, transparent);
}

/* Fase 6.4 Zona D: separador --color-border-strong encima del total; siempre visible (no tapado por las X) */
.pos-cart-summary {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    padding-right: 0;
    border-top: 2px solid var(--color-border-strong);
    flex-shrink: 0;
    min-width: 0;
}

.pos-cart-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-xs);
}

/* Total a cobrar: texto completo visible, no truncado por las X del carrito */
.pos-cart-total {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    font-variant-numeric: tabular-nums;
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--color-border-strong);
}

.pos-cart-total span:first-child {
    flex-shrink: 0;
}

.pos-cart-total span:last-child {
    flex-shrink: 0;
    overflow: visible;
    text-overflow: unset;
    white-space: nowrap;
}

/* Mobile/tablet: evitar superposición; ocultar indicador de pasos (mobile-first: no aporta en pantallas pequeñas) */
@media (max-width: 1023px) {
    .pos-progress-steps {
        display: none !important;
    }

    .pos-cart-summary {
        margin-bottom: var(--space-md);
    }

    .pos-cart-total {
        margin-bottom: var(--space-sm);
    }

    .pos-payment {
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid var(--color-border);
        min-width: 0;
    }
}

/* Mobile-first: más espacio entre carrito y pago, sin superposiciones (teclado en pantalla oculto por defecto) */
@media (max-width: 767px) {
    /* Ocultar indicador de pasos en móvil: no aporta y contribuye a superposición */
    .pos-progress-steps {
        display: none !important;
    }

    /* Carrito solo ocupa altura de su contenido; evita que el resumen invada la zona de pago */
    .pos-cart {
        flex: 0 1 auto;
        min-height: 0;
    }

    /* Resumen con ancho controlado; recortar cualquier desborde para no solapar Forma de pago */
    .pos-cart-summary {
        width: 100%;
        max-width: 100%;
        margin-bottom: var(--space-4);
        padding-bottom: var(--space-4);
        padding-right: var(--space-2);
        box-sizing: border-box;
        overflow: hidden;
    }

    .pos-cart-row,
    .pos-cart-total {
        min-width: 0;
        flex-wrap: nowrap;
    }

    .pos-cart-total {
        margin-bottom: var(--space-3);
    }

    .pos-cart-row span:first-child,
    .pos-cart-total span:first-child {
        flex-shrink: 0;
    }

    .pos-cart-total span:last-child,
    .pos-cart-row span:last-child {
        flex-shrink: 0;
        min-width: 0;
    }

    .pos-payment {
        flex-shrink: 0;
        margin-top: var(--space-6);
        padding-top: var(--space-5);
        border-top: 2px solid var(--color-border-strong);
        min-width: 0;
        position: relative;
        z-index: 1;
        background: var(--color-surface);
    }

    .pos-payment h3:first-of-type {
        margin-top: 0;
        margin-bottom: var(--space-2);
    }

    .pos-payment-options {
        margin-bottom: var(--space-3);
    }

    .pos-native-keyboard-row {
        margin-bottom: var(--space-3);
        padding-bottom: var(--space-2);
    }

    .pos-efectivo-section,
    .pos-dolares-section {
        margin-bottom: var(--space-3);
    }

    .pos-notas-section {
        margin-bottom: var(--space-3);
    }
}

@media (max-width: 767px) {
    .pos-descuento-controls {
        flex-wrap: wrap;
        gap: var(--space-2);
        margin-top: var(--space-sm);
        margin-bottom: var(--space-xs);
    }

    .pos-descuento-controls .pos-descuento-presets-label {
        width: 100%;
    }

    .pos-descuento-controls .pos-descuento-select,
    .pos-descuento-controls .pos-descuento-input {
        min-width: 0;
    }

    .pos-descuento-controls .pos-descuento-aplicar,
    .pos-descuento-controls .pos-descuento-quitar {
        flex: 1;
        min-width: 80px;
    }

    .pos-actions-row {
        margin-top: var(--space-2);
        margin-bottom: var(--space-3);
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .pos-btn-confirm {
        margin-top: var(--space-2);
        width: 100%;
    }
}

.pos-payment h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-sm);
}

.pos-payment-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.pos-payment-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), background-color var(--transition-base);
}

.pos-payment-option:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-muted);
}

.pos-payment-option:has(input:checked) {
    border-color: var(--color-primary);
    background: var(--color-primary-muted);
}

.pos-payment-option input {
    cursor: pointer;
    width: 1rem;
    height: 1rem;
    min-width: 1rem;
    min-height: 1rem;
    margin: 0;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .pos-payment-option {
        min-height: 40px;
        padding: var(--space-1) var(--space-3);
    }
}

.pos-efectivo-section,
.pos-dolares-section {
    margin-bottom: var(--space-md);
}

/* Modal de cobro (Fase 5.9) - bottom sheet mobile, centrado desktop */
.pos-cobro-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.pos-cobro-modal .pos-cobro-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: auto;
}

.pos-cobro-modal .pos-cobro-modal-content {
    position: relative;
    width: 100%;
    max-width: 420px;
    max-height: 90dvh;
    background: var(--color-surface);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--elevation-3);
    transform: translateY(100%);
    transition: transform var(--duration-slow) ease;
    will-change: transform;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pos-cobro-modal .pos-cobro-modal-backdrop.visible {
    opacity: 1;
}

.pos-cobro-modal .pos-cobro-modal-content.visible {
    transform: translateY(0);
}

.pos-cobro-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.pos-cobro-modal-header h3 {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.pos-cobro-modal-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    touch-action: manipulation;
}

.pos-cobro-modal-close:hover {
    background: var(--color-surface-muted);
}

.pos-cobro-modal-body {
    padding: var(--space-6);
    overflow-y: auto;
}

.pos-cobro-modal-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
}

.pos-cobro-modal-total strong {
    font-size: var(--text-2xl);
    font-variant-numeric: tabular-nums;
}

.pos-cobro-modal-monto {
    margin-bottom: var(--space-2);
}

.pos-cobro-modal-monto label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.pos-cobro-modal-cambio {
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    font-variant-numeric: tabular-nums;
}

/* UX: Cambio destacado cuando es grande (≥500 C$) */
.pos-cambio-grande,
.pos-cobro-modal-cambio.pos-cambio-grande {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    background: var(--color-primary-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.pos-cobro-modal-numpad {
    display: grid;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

@media (min-width: 1280px) {
    .pos-cobro-modal-numpad {
        display: none;
    }

    .pos-cobro-modal-actions {
        margin-top: var(--space-4);
    }
}

.pos-cobro-modal-actions {
    display: flex;
    gap: var(--space-3);
}

.pos-cobro-modal-actions .btn {
    flex: 1;
}

@media (min-width: 768px) {
    .pos-cobro-modal {
        align-items: center;
    }

    .pos-cobro-modal .pos-cobro-modal-content {
        border-radius: var(--radius-lg);
        transform: scale(0.95);
        max-height: 85dvh;
    }

    .pos-cobro-modal .pos-cobro-modal-content.visible {
        transform: scale(1);
    }
}

/* Teclado numérico POS (Fase 5.7) */
.pos-numpad {
    display: grid;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.pos-numpad-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2);
}

.pos-numpad-key {
    min-height: 48px;
    font-size: var(--text-2xl);
    font-weight: var(--font-medium);
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    touch-action: manipulation;
}

.pos-numpad-key:hover {
    background: var(--color-surface-muted);
}

.pos-numpad-key:active {
    transform: scale(0.95);
}

.pos-numpad-key-zero {
    grid-column: span 2;
}

@media (min-width: 768px) {
    .pos-numpad-key {
        min-height: 56px;
    }
}

@media (min-width: 1280px) {
    .pos-numpad {
        display: none;
    }
}

.pos-total-usd {
    font-weight: var(--font-weight-semibold, 600);
    font-size: var(--text-base);
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.pos-tc-row {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.pos-tc-display {
    font-weight: var(--font-weight-medium, 500);
    font-size: var(--text-sm);
}

.pos-tc-cambiar {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--text-sm);
    padding: 0;
    text-decoration: underline;
}

.pos-tc-cambiar:hover {
    text-decoration: none;
}

.pos-tc-edit {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.pos-tc-edit .input {
    width: 90px;
    margin-bottom: 0;
}

.pos-tc-ok {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-sm);
}

.pos-dolares-section label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.pos-dolares-section .input {
    margin-bottom: var(--space-sm);
}

.pos-notas-section {
    margin-bottom: var(--space-md);
}

.pos-descuento-section {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--color-border);
}

.pos-promociones-section {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--color-border);
}

.pos-promociones-label {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.pos-promociones-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.pos-promo-btn {
    font-size: 0.85em;
}

.pos-promo-aplicada {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--color-primary);
}

.pos-cart-descuento {
    color: var(--color-success);
}

.pos-descuento-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.pos-descuento-select {
    width: auto;
    min-width: 90px;
    padding: var(--space-xs) var(--space-sm);
}

.pos-descuento-input {
    width: 70px;
    padding: var(--space-xs) var(--space-sm);
    text-align: right;
}

.pos-descuento-presets-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pos-notas-section label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.pos-notas-input-row {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}
.pos-notas-input-row .input {
    flex: 1;
    min-width: 0;
}
.pos-notas-open-keyboard {
    flex-shrink: 0;
}

.pos-native-keyboard-row {
    margin-bottom: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px dashed var(--color-border);
}
.pos-native-keyboard-row .pos-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    cursor: pointer;
}
.pos-native-keyboard-row .pos-hint {
    display: block;
    margin-top: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.pos-efectivo-section label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.pos-cambio {
    margin-top: var(--space-sm);
    font-weight: var(--font-weight-semibold, 600);
    font-size: var(--text-lg);
    transition: font-size var(--transition-base), background var(--transition-base), padding var(--transition-base);
}

.pos-actions-row {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.pos-btn-espera,
.pos-btn-tickets-espera {
    flex: 1;
}

/* Fase 5.8.1: Botón Cobrar - 12px radius, 48px mobile, 56px tablet */
.pos-btn-confirm {
    min-height: 48px;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    border-radius: var(--radius-lg);
    margin-top: 0;
}

@media (min-width: 768px) {
    .pos-btn-confirm {
        min-height: 56px;
        font-size: var(--text-xl);
    }
}

/* Combos */
.pos-badge-combo {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: var(--space-1) var(--space-2);
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    border-radius: var(--radius-sm);
    margin-left: var(--space-1);
}

.pos-badge-granel {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: var(--space-1) var(--space-2);
    background: var(--color-info);
    color: var(--color-info-contrast);
    border-radius: var(--radius-sm);
    margin-left: var(--space-1);
}

.pos-quick-combo {
    border-color: var(--color-primary);
}

/* Fase 1.7: Highlight producto escaneado en grid */
.pos-quick-btn-highlight {
    animation: pos-highlight-pulse 0.8s var(--ease-out) 1;
}

@keyframes pos-highlight-pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-primary) 50%, transparent); }
    50% { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

/* Fase 7/8: Spinner en botón Cobrar */
.pos-btn-spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: pos-spinner 0.6s linear infinite;
    vertical-align: -0.15em;
    margin-right: 0.35em;
}

@keyframes pos-spinner {
    to { transform: rotate(360deg); }
}

/* Fase 1: Progreso visible 1. Productos → 2. Pago → 3. Confirmar — compacto para facturación */
.pos-progress-steps {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 767px) {
    .pos-progress-steps {
        margin-bottom: var(--space-2);
        font-size: var(--text-xs);
    }
}

.pos-progress-step {
    transition: color var(--duration-fast) var(--ease-out);
}

.pos-progress-step.active {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.pos-progress-arrow {
    color: var(--color-border-strong);
    font-size: var(--text-xs);
}

[data-theme="dark"] .pos-progress-step:not(.active) {
    color: var(--color-text-secondary);
}

/* Tickets en espera */
.pos-tickets-espera-modal .pos-recibo-modal {
    max-width: 420px;
}

.pos-tickets-espera-body {
    max-height: 360px;
    overflow-y: auto;
    padding: var(--space-md);
}

.pos-tickets-espera-empty {
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-lg);
}

.pos-ticket-espera-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.pos-ticket-espera-item:last-child {
    margin-bottom: 0;
}

.pos-ticket-espera-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.pos-ticket-espera-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.pos-ticket-espera-info strong {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pos-ticket-espera-info span {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pos-ticket-espera-info-click {
    cursor: pointer;
}

.pos-ticket-espera-info-click:hover {
    text-decoration: underline;
}

.pos-ticket-espera-detalle {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-sm);
    margin-top: var(--space-xs);
}

.pos-ticket-espera-productos {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pos-ticket-espera-producto {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.pos-ticket-espera-producto-nombre {
    flex: 1;
    min-width: 0;
}

.pos-ticket-espera-producto-cant {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.pos-ticket-espera-actions {
    display: flex;
    gap: var(--space-xs);
    flex-shrink: 0;
}

/* Cliente y crédito */
.pos-cliente-section {
    margin-bottom: var(--space-md);
}

.pos-cliente-section label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.pos-cliente-search {
    position: relative;
}

.pos-cliente-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: var(--elevation-2);
}

.pos-cliente-results.visible {
    display: block;
}

.pos-cliente-item {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
}

.pos-cliente-item:hover {
    background: var(--color-bg);
}

.pos-cliente-empty {
    padding: var(--space-md);
    color: var(--color-text-muted);
}

.pos-cliente-selected {
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pos-cliente-clear {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-sm);
}

.pos-credit-info {
    margin-top: var(--space-sm);
}

.pos-credit-alert {
    padding: var(--space-3);
    font-size: var(--text-sm);
}

.pos-credit-alert .info-cards-grid {
    margin-top: var(--space-2);
}

/* Modal selección de presentación */
.pos-pres-picker-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pos-pres-picker-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pos-pres-picker-btn {
    padding: var(--space-md);
    text-align: left;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    font-size: var(--text-base);
}

.pos-pres-picker-btn:hover {
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    border-color: var(--color-primary);
}

/* Modal venta a granel */
.pos-granel-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pos-granel-content h4 {
    margin: 0;
    font-size: 1.1rem;
}

.pos-granel-precio {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.pos-granel-input-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pos-granel-input-row {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.pos-granel-input-row .input {
    flex: 1;
}

.pos-granel-input-wrap label {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium, 500);
}

.pos-granel-input-wrap .input {
    font-size: 1.1rem;
    padding: var(--space-md);
}

.pos-granel-subtotal {
    margin: 0;
    font-weight: var(--font-weight-semibold, 600);
    font-size: 1rem;
}

.pos-granel-stock {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pos-granel-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-sm);
}

/* Modal código autorización descuento */
.pos-modal-codigo-descuento {
    padding: var(--space-xl);
}

.pos-modal-codigo-descuento h3 {
    margin: 0 0 var(--space-sm);
    font-size: 1.1rem;
}

.pos-modal-codigo-hint {
    margin: 0 0 var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pos-modal-codigo-descuento .input {
    width: 100%;
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.pos-modal-codigo-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* Recibo de pago */
.pos-recibo-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 310;
    padding: var(--space-md);
}

.pos-recibo-modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 420px;
    width: 100%;
    max-height: 90dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--elevation-3);
}

@media (min-width: 1024px) {
    .pos-recibo-modal {
        max-width: min(95vw, 520px);
    }
}

.pos-recibo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-primary-contrast);
}

.pos-recibo-header-left {
    flex-shrink: 0;
    margin-right: var(--space-lg);
    min-width: 140px;
}

.pos-recibo-logo-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.pos-recibo-header-left img,
.pos-recibo-header-left .pos-recibo-logo,
.pos-recibo-header-left .admin-preview-logo {
    max-height: 140px;
    max-width: 240px;
    width: auto;
    height: auto;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 6px;
}

/* Placeholder cuando no hay imagen del almacén o falla la carga */
.pos-recibo-logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    min-height: 80px;
    max-width: 140px;
    max-height: 140px;
    aspect-ratio: 1;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--color-primary-contrast);
    letter-spacing: -0.02em;
}

.pos-recibo-logo-placeholder-fallback {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
}

.pos-recibo-logo-error .pos-recibo-logo {
    display: none !important;
}

.pos-recibo-logo-error .pos-recibo-logo-placeholder-fallback {
    display: flex !important;
}

.pos-recibo-almacen {
    margin-top: var(--space-xs);
    font-size: 0.8rem;
    font-weight: var(--font-weight-semibold, 600);
    opacity: 0.95;
    color: var(--color-primary-contrast);
}

.pos-recibo-header-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 4px;
}

.pos-recibo-header-right .pos-recibo-close {
    margin-top: 4px;
}

.pos-recibo-negocio {
    font-size: 1.15rem;
    font-weight: var(--font-weight-bold, 700);
    letter-spacing: 0.02em;
    margin-bottom: 0.15rem;
}

.pos-recibo-giro {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: var(--font-weight-normal, 400);
    margin-bottom: 0.5rem;
}

.pos-recibo-titulo {
    margin: 0;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold, 600);
    opacity: 0.95;
}

.pos-recibo-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-primary-contrast);
    line-height: 1;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pos-recibo-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.pos-recibo-body {
    padding: var(--space-xl);
    overflow-y: auto;
}

.pos-recibo-info {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

.pos-recibo-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.pos-recibo-row:last-child {
    margin-bottom: 0;
}

.pos-recibo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    margin: var(--space-lg) 0;
}

.pos-recibo-table th,
.pos-recibo-table td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.pos-recibo-table th {
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pos-recibo-table td:nth-child(2),
.pos-recibo-table td:nth-child(3),
.pos-recibo-table td:nth-child(4) {
    text-align: right;
}

.pos-recibo-table tbody tr:hover {
    background: color-mix(in srgb, var(--color-primary) 4%, transparent);
}

.pos-recibo-descuento-linea td {
    font-size: 0.85rem;
    color: var(--color-success);
    padding-left: var(--space-xl);
    border-bottom: none;
}

.pos-recibo-pagado-linea td {
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-success);
}

.pos-recibo-totales {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.pos-recibo-totales .pos-recibo-row {
    margin-bottom: var(--space-xs);
}

.pos-recibo-total {
    font-weight: var(--font-weight-bold, 700);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--color-border);
}

.pos-recibo-saldo {
    color: var(--color-warning);
    font-weight: var(--font-weight-semibold, 600);
}

.pos-recibo-descuento {
    color: var(--color-success);
}

.pos-recibo-gracias {
    text-align: center;
    margin-top: var(--space-xl);
    padding: var(--space-md);
    font-size: var(--text-sm);
    font-style: italic;
    color: var(--color-text-muted);
    background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--color-primary) 6%, transparent));
    border-radius: var(--radius-sm);
}

.pos-recibo-actions {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.pos-recibo-actions .btn {
    flex: 1;
}

.pos-recibo-btn-whatsapp {
    color: #25d366;
    border-color: #25d366;
}
.pos-recibo-btn-whatsapp:hover {
    background: rgba(37, 211, 102, 0.1);
    color: #20bd5a;
}

/* Modal WhatsApp: número para enviar recibo */
.pos-recibo-whatsapp-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}
.pos-recibo-whatsapp-modal {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl);
    max-width: 360px;
    width: calc(100% - 2 * var(--space-lg));
}
.pos-recibo-whatsapp-title {
    margin: 0 0 var(--space-md);
    font-size: 1.1rem;
}
.pos-recibo-whatsapp-hint {
    margin: 0 0 var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.4;
}
.pos-recibo-whatsapp-input-wrap {
    margin-bottom: var(--space-lg);
}
.pos-recibo-whatsapp-input {
    width: 100%;
    font-size: 1rem;
    padding: var(--space-md);
}
.pos-recibo-whatsapp-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}
.pos-recibo-btn-whatsapp-send {
    background: #25d366;
    border-color: #25d366;
    color: #fff;
}
.pos-recibo-btn-whatsapp-send:hover {
    background: #20bd5a;
    border-color: #20bd5a;
    color: #fff;
}

/* Recibo: mobile-first */
@media (max-width: 767px) {
    .pos-recibo-overlay {
        padding: var(--space-sm);
        align-items: flex-start;
        padding-top: max(var(--space-sm), env(safe-area-inset-top));
    }

    .pos-recibo-modal {
        max-width: 100%;
        max-height: 95dvh;
        border-radius: var(--radius-md);
    }

    .pos-recibo-header {
        padding: var(--space-md) var(--space-md) var(--space-sm);
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .pos-recibo-header-left {
        min-width: 0;
        margin-right: 0;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .pos-recibo-header-left img,
    .pos-recibo-header-left .pos-recibo-logo {
        max-height: 64px;
        max-width: 120px;
        padding: 4px;
    }

    .pos-recibo-logo-placeholder {
        min-width: 48px;
        min-height: 48px;
        max-width: 64px;
        max-height: 64px;
        font-size: 1.25rem;
    }

    .pos-recibo-almacen {
        font-size: 0.75rem;
        margin-top: 2px;
    }

    .pos-recibo-header-right {
        flex: 1;
        min-width: 0;
        align-items: flex-end;
    }

    .pos-recibo-negocio {
        font-size: 0.95rem;
    }

    .pos-recibo-giro {
        font-size: 0.7rem;
    }

    .pos-recibo-titulo {
        font-size: 0.9rem;
    }

    .pos-recibo-close {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .pos-recibo-body {
        padding: var(--space-md);
    }

    .pos-recibo-info {
        padding: var(--space-sm);
        font-size: 0.8rem;
    }

    .pos-recibo-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 calc(-1 * var(--space-md));
        padding: 0 var(--space-md);
    }

    .pos-recibo-table {
        font-size: 0.8rem;
        min-width: 280px;
        margin: var(--space-md) 0;
    }

    .pos-recibo-table th,
    .pos-recibo-table td {
        padding: var(--space-xs) var(--space-sm);
    }

    .pos-recibo-totales {
        padding: var(--space-sm);
    }

    .pos-recibo-total {
        font-size: 1rem;
    }

    .pos-recibo-actions {
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
    }

    .pos-recibo-actions .btn {
        min-height: 44px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pos-recibo-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .pos-recibo-header-left {
        align-items: center;
    }

    .pos-recibo-header-right {
        align-items: center;
        text-align: center;
    }
}

/* UX Fase 2.7: Menú contextual (long press) */
.pos-context-menu {
    position: fixed;
    z-index: 250;
    min-width: 160px;
    padding: var(--space-1);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-3);
}

.pos-context-menu button {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border: none;
    background: transparent;
    font-size: var(--text-base);
    color: var(--color-header-title);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.pos-context-menu button:hover {
    background: var(--color-surface-muted);
}

/* Modal cantidad (long press productos) */
.pos-cantidad-content label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--text-sm);
}
.pos-cantidad-product {
    margin: 0 0 var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}
.pos-cantidad-content input {
    margin-bottom: var(--space-4);
}
.pos-cantidad-actions {
    display: flex;
    gap: var(--space-3);
}
.pos-cantidad-actions .btn {
    flex: 1;
}