/* ==========================================================================
   CARRITO DE COMPRAS - MODAL Y COMPONENTES ANIMADOS · NIUVO BEBÉS
   ========================================================================== */

:root {
    --nvb-cart-azul: #1fb5f2;
    --nvb-cart-azul-oscuro: #0e9bd6;
    --nvb-cart-rosa: #ff6bc1;
    --nvb-cart-rosa-oscuro: #f04aa8;
    --nvb-cart-texto: #1f2933;
    --nvb-cart-texto-suave: #64748b;
    --nvb-cart-borde: #f1f5f9;
    --nvb-cart-borde-hover: #e2e8f0;
    --nvb-cart-fondo-panel: #ffffff;
    --nvb-cart-fondo-item: #f8fafc;
    --nvb-cart-verde: #10b981;
    --nvb-cart-rojo: #ef4444;
    --nvb-cart-sombra-panel: -10px 0 35px rgba(0, 0, 0, 0.12);
    --nvb-cart-sombra-hover: 0 8px 24px rgba(31, 181, 242, 0.15);
    --nvb-cart-radio: 16px;
    --nvb-cart-trans-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Evitar scroll cuando el modal está abierto */
body.nvb-cart-open {
    overflow: hidden !important;
    touch-action: none;
}

/* --------------------------------------------------------------------------
   1. CONTENEDOR PRINCIPAL Y OVERLAY (BACKDROP)
   -------------------------------------------------------------------------- */
.nvb-cart-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: flex;
    justify-content: flex-end;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 380ms var(--nvb-cart-trans-spring);
}

.nvb-cart-modal.is-open {
    pointer-events: auto;
    visibility: visible;
}

.nvb-cart-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 380ms var(--nvb-cart-trans-spring);
    cursor: pointer;
}

.nvb-cart-modal.is-open .nvb-cart-backdrop {
    opacity: 1;
}

/* --------------------------------------------------------------------------
   2. PANEL LATERAL DESLIZANTE (DRAWER)
   -------------------------------------------------------------------------- */
.nvb-cart-drawer {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 100%;
    background: var(--nvb-cart-fondo-panel);
    box-shadow: var(--nvb-cart-sombra-panel);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 420ms var(--nvb-cart-trans-spring);
    z-index: 2;
    overflow: hidden;
}

.nvb-cart-modal.is-open .nvb-cart-drawer {
    transform: translateX(0);
}

/* --------------------------------------------------------------------------
   3. ENCABEZADO DEL MODAL
   -------------------------------------------------------------------------- */
.nvb-cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--nvb-cart-borde);
    background: #ffffff;
    position: relative;
    z-index: 3;
}

.nvb-cart-header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nvb-cart-header-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(31, 181, 242, 0.12), rgba(255, 107, 193, 0.12));
    color: var(--nvb-cart-azul);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 250ms ease;
}

.nvb-cart-drawer:hover .nvb-cart-header-icon-wrap {
    transform: rotate(-6deg) scale(1.05);
}

.nvb-cart-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nvb-cart-texto);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.nvb-cart-count-sub {
    font-size: 0.85rem;
    color: var(--nvb-cart-texto-suave);
    font-weight: 500;
}

.nvb-cart-close-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--nvb-cart-borde);
    background: #f8fafc;
    color: var(--nvb-cart-texto-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 220ms ease;
    padding: 0;
}

.nvb-cart-close-btn:hover {
    background: #e2e8f0;
    color: var(--nvb-cart-texto);
    transform: rotate(90deg) scale(1.08);
}

/* --------------------------------------------------------------------------
   4. BARRA DE PROGRESO DE ENVÍO GRATIS
   -------------------------------------------------------------------------- */
.nvb-cart-shipping-banner {
    padding: 14px 24px 16px;
    background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
    border-bottom: 1px solid #e6f6f4;
}

.nvb-cart-shipping-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: #0f766e;
    margin-bottom: 8px;
    line-height: 1.35;
}

.nvb-cart-shipping-text strong {
    color: #0d9488;
    font-weight: 700;
}

.nvb-cart-shipping-icon {
    font-size: 1.15rem;
    animation: nvbBounceTruck 2s ease infinite;
}

@keyframes nvbBounceTruck {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(3px); }
}

.nvb-cart-progress-track {
    width: 100%;
    height: 7px;
    background: #ccfbf1;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.nvb-cart-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #14b8a6, var(--nvb-cart-azul), var(--nvb-cart-rosa));
    background-size: 200% 100%;
    border-radius: 999px;
    transition: width 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: nvbShimmerProgress 2.5s infinite linear;
}

@keyframes nvbShimmerProgress {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* --------------------------------------------------------------------------
   5. CUERPO DEL CARRITO (LISTA DE PRODUCTOS)
   -------------------------------------------------------------------------- */
.nvb-cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overscroll-behavior: contain;
}

/* Scrollbar estilizada */
.nvb-cart-body::-webkit-scrollbar {
    width: 6px;
}
.nvb-cart-body::-webkit-scrollbar-track {
    background: transparent;
}
.nvb-cart-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 6px;
}
.nvb-cart-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* --------------------------------------------------------------------------
   6. ELEMENTO INDIVIDUAL DEL CARRITO (.nvb-cart-item)
   -------------------------------------------------------------------------- */
.nvb-cart-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--nvb-cart-fondo-item);
    border: 1px solid var(--nvb-cart-borde);
    border-radius: var(--nvb-cart-radio);
    transition: transform 250ms ease, box-shadow 250ms ease, opacity 250ms ease, max-height 300ms ease, padding 300ms ease;
    animation: nvbItemEntrance 350ms var(--nvb-cart-trans-spring) forwards;
    position: relative;
    max-height: 180px;
}

.nvb-cart-item:hover {
    border-color: var(--nvb-cart-borde-hover);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.nvb-cart-item.is-removing {
    transform: translateX(40px) scale(0.95);
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: 0;
    overflow: hidden;
    border-color: transparent;
}

.nvb-cart-item.just-added {
    animation: nvbItemHighlight 1.4s ease-out;
}

@keyframes nvbItemEntrance {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes nvbItemHighlight {
    0% {
        box-shadow: 0 0 0 3px rgba(31, 181, 242, 0.45);
        background: #f0f9ff;
    }
    100% {
        box-shadow: none;
        background: var(--nvb-cart-fondo-item);
    }
}

/* Imagen del producto */
.nvb-cart-item-img-link {
    width: 78px;
    height: 78px;
    min-width: 78px;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--nvb-cart-borde);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.nvb-cart-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}

.nvb-cart-item:hover .nvb-cart-item-img {
    transform: scale(1.08);
}

/* Info del producto */
.nvb-cart-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.nvb-cart-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.nvb-cart-item-brand {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--nvb-cart-azul);
}

.nvb-cart-item-del {
    background: none;
    border: none;
    padding: 4px;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 180ms ease;
}

.nvb-cart-item-del:hover {
    color: var(--nvb-cart-rojo);
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.15);
}

.nvb-cart-item-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--nvb-cart-texto);
    text-decoration: none;
    line-height: 1.3;
    margin: 2px 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 180ms ease;
}

.nvb-cart-item-title:hover {
    color: var(--nvb-cart-azul);
}

.nvb-cart-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

/* Selector de Cantidad */
.nvb-cart-qty-selector {
    display: inline-flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 2px;
}

.nvb-cart-qty-btn {
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    color: var(--nvb-cart-texto);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 6px;
    transition: all 150ms ease;
    user-select: none;
}

.nvb-cart-qty-btn:hover {
    background: #f1f5f9;
    color: var(--nvb-cart-azul);
}

.nvb-cart-qty-btn:active {
    transform: scale(0.85);
}

.nvb-cart-qty-num {
    min-width: 26px;
    text-align: center;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--nvb-cart-texto);
    padding: 0 4px;
}

/* Precios */
.nvb-cart-item-price-wrap {
    text-align: right;
}

.nvb-cart-item-price {
    display: block;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--nvb-cart-texto);
    letter-spacing: -0.01em;
}

.nvb-cart-item-unit-price {
    display: block;
    font-size: 0.72rem;
    color: var(--nvb-cart-texto-suave);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   7. ESTADO VACÍO (EMPTY STATE)
   -------------------------------------------------------------------------- */
.nvb-cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
    margin: auto 0;
    animation: nvbItemEntrance 400ms ease;
}

.nvb-cart-empty-icon-wrap {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(31, 181, 242, 0.1), rgba(255, 107, 193, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nvb-cart-azul);
    margin-bottom: 20px;
    animation: nvbFloatEmpty 3s ease-in-out infinite;
}

@keyframes nvbFloatEmpty {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.nvb-cart-empty-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nvb-cart-texto);
    margin: 0 0 8px;
}

.nvb-cart-empty-desc {
    font-size: 0.88rem;
    color: var(--nvb-cart-texto-suave);
    max-width: 280px;
    margin: 0 0 24px;
    line-height: 1.45;
}

.nvb-cart-empty-btn {
    padding: 12px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--nvb-cart-azul), var(--nvb-cart-azul-oscuro));
    color: #ffffff;
    border: none;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(31, 181, 242, 0.35);
    transition: all 220ms ease;
}

.nvb-cart-empty-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(31, 181, 242, 0.45);
}

/* --------------------------------------------------------------------------
   8. PIE DEL CARRITO (TOTALES Y BOTÓN DE CHECKOUT)
   -------------------------------------------------------------------------- */
.nvb-cart-footer {
    padding: 20px 24px;
    background: #ffffff;
    border-top: 1px solid var(--nvb-cart-borde);
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.03);
}

.nvb-cart-summary {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.nvb-cart-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    color: var(--nvb-cart-texto-suave);
}

.nvb-cart-row-total {
    padding-top: 10px;
    border-top: 1px dashed #e2e8f0;
    margin-top: 4px;
    font-size: 1.15rem;
    color: var(--nvb-cart-texto);
    font-weight: 700;
}

.nvb-cart-total-value {
    color: var(--nvb-cart-rosa-oscuro);
    font-size: 1.35rem;
    font-weight: 800;
}

.nvb-cart-shipping-val.es-gratis {
    color: var(--nvb-cart-verde);
    font-weight: 700;
}

/* Botones */
.nvb-cart-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nvb-cart-btn-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 20px;
    background: linear-gradient(135deg, var(--nvb-cart-rosa) 0%, var(--nvb-cart-rosa-oscuro) 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 999px;
    font-size: 1.02rem;
    font-weight: 700;
    box-shadow: 0 8px 22px rgba(255, 107, 193, 0.35);
    transition: all 250ms ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nvb-cart-btn-checkout::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.nvb-cart-btn-checkout:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 107, 193, 0.45);
}

.nvb-cart-btn-checkout:hover::after {
    left: 100%;
}

.nvb-cart-extra-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2px;
}

.nvb-cart-btn-view-all {
    color: var(--nvb-cart-azul-oscuro);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 150ms ease;
}

.nvb-cart-btn-view-all:hover {
    text-decoration: underline;
    color: var(--nvb-cart-azul);
}

.nvb-cart-btn-continue {
    background: none;
    border: none;
    color: var(--nvb-cart-texto-suave);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: color 150ms ease;
}

.nvb-cart-btn-continue:hover {
    color: var(--nvb-cart-texto);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   9. BADGES DE CONFIANZA Y SEGURIDAD
   -------------------------------------------------------------------------- */
.nvb-cart-trust {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.nvb-cart-trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.74rem;
    color: #64748b;
    font-weight: 500;
}

.nvb-cart-trust-badge svg {
    color: var(--nvb-cart-verde);
}

.nvb-cart-trust-icons {
    display: flex;
    gap: 6px;
}

.nvb-badge-pay {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 7px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

/* --------------------------------------------------------------------------
   10. ANIMACIONES DEL CONTADOR EN EL HEADER (.nvb-contador)
   -------------------------------------------------------------------------- */
.nvb-contador {
    transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1), background-color 250ms ease;
}

.nvb-contador.nvb-bump {
    animation: nvbCartBadgeBump 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes nvbCartBadgeBump {
    0% { transform: scale(1); }
    40% { transform: scale(1.45); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* --------------------------------------------------------------------------
   11. TOAST FLOTANTE INFORMATIVO
   -------------------------------------------------------------------------- */
.nvb-cart-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(30px);
    background: #1e293b;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    z-index: 100000;
    opacity: 0;
    pointer-events: none;
    transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nvb-cart-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.nvb-cart-toast-icon {
    color: #10b981;
}

/* --------------------------------------------------------------------------
   12. RESPONSIVIDAD (MOBILE)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .nvb-cart-drawer {
        max-width: 100%;
    }
    .nvb-cart-header {
        padding: 16px 20px;
    }
    .nvb-cart-shipping-banner {
        padding: 12px 20px;
    }
    .nvb-cart-body {
        padding: 14px 16px;
    }
    .nvb-cart-footer {
        padding: 16px 20px;
    }
}