/* ========== CARRITO DE COMPRAS - TEMA TECH OSCURO MEJORADO ========== */

/* Modal Base - FIX SCROLL */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
    overflow: hidden; /* IMPORTANTE: Evita scroll en la página */
}

.modal.active {
    display: flex; /* Usar flex cuando esté activo */
}

/* Bloquear scroll del body cuando el modal está abierto */
body.modal-open {
    overflow: hidden;
    height: 100vh;
}

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

/* Modal Content - MEJORADO */
.modal-content {
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.98) 0%, rgba(26, 31, 55, 0.98) 100%);
    border: 2px solid rgba(0, 212, 255, 0.4);
    border-radius: 24px;
    max-width: 750px;
    width: 92%;
    max-height: 88vh;
    overflow: hidden;
    box-shadow: 
        0 25px 80px rgba(0, 212, 255, 0.4), 
        0 0 120px rgba(147, 51, 234, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(60px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Efecto de luz en el borde */
.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        #00d4ff 20%, 
        #9333ea 50%, 
        #00d4ff 80%, 
        transparent 100%);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Modal Header - MEJORADO */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem 2.25rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12) 0%, rgba(147, 51, 234, 0.12) 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    position: relative;
    flex-shrink: 0;
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.6) 50%, 
        transparent 100%);
}

.modal-header h2 {
    color: #00d4ff;
    font-size: 1.875rem;
    font-weight: 800;
    text-shadow: 0 0 25px rgba(0, 212, 255, 0.6);
    margin: 0;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-header h2::before {
    content: '🛒';
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.close-btn {
    background: rgba(255, 68, 68, 0.15);
    border: 1.5px solid rgba(255, 68, 68, 0.4);
    color: #ff4444;
    font-size: 1.75rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
}

.close-btn:hover {
    background: rgba(255, 68, 68, 0.25);
    transform: rotate(90deg) scale(1.15);
    box-shadow: 0 0 25px rgba(255, 68, 68, 0.6);
    border-color: rgba(255, 68, 68, 0.6);
}

/* Carrito Items Container - FIX SCROLL */
.carrito-items {
    padding: 1.75rem 2.25rem;
    max-height: 52vh;
    overflow-y: auto; /* IMPORTANTE: Scroll DENTRO del contenedor */
    overflow-x: hidden;
    flex-shrink: 1;
}

/* Scrollbar personalizado MEJORADO */
.carrito-items::-webkit-scrollbar {
    width: 10px;
}

.carrito-items::-webkit-scrollbar-track {
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    margin: 0.5rem 0;
}

.carrito-items::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00d4ff 0%, #9333ea 100%);
    border-radius: 10px;
    border: 2px solid rgba(10, 14, 39, 0.5);
}

.carrito-items::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00e5ff 0%, #a855f7 100%);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Carrito Item Card - MÁS BONITO */
.carrito-item {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 1.25rem;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, rgba(26, 31, 55, 0.7) 0%, rgba(20, 25, 45, 0.7) 100%);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.carrito-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.1) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
}

.carrito-item:hover::before {
    left: 100%;
}

.carrito-item:hover {
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: 
        0 8px 30px rgba(0, 212, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-3px) scale(1.01);
}

/* Imagen del producto - MEJORADA */
.item-imagen {
    width: 90px;
    height: 90px;
    border-radius: 14px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(147, 51, 234, 0.08) 100%);
    border: 1.5px solid rgba(0, 212, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.carrito-item:hover .item-imagen {
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: scale(1.05);
}

.item-imagen img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0.75rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.item-emoji {
    font-size: 2.75rem;
    line-height: 1;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 212, 255, 0.3));
}

/* Info del producto - MEJORADA */
.item-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.375rem;
    min-width: 0;
}

.item-nombre {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.063rem;
    margin: 0;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.item-precio {
    color: #00ff88;
    font-weight: 800;
    font-size: 1.375rem;
    text-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
    margin: 0;
    letter-spacing: 0.3px;
}

.item-stock {
    color: #00d4ff;
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
    font-weight: 500;
}

/* Controles de cantidad - MEJORADOS */
.item-controles {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    align-items: flex-end;
    justify-content: center;
}

.item-cantidad {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: rgba(0, 212, 255, 0.12);
    padding: 0.375rem 0.5rem;
    border-radius: 10px;
    border: 1.5px solid rgba(0, 212, 255, 0.35);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cantidad-btn {
    background: linear-gradient(135deg, #00d4ff 0%, #9333ea 100%);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 800;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.cantidad-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.7);
}

.cantidad-btn:active {
    transform: scale(0.95);
}

.item-cantidad span,
.cantidad-numero {
    color: #00d4ff;
    font-weight: 800;
    font-size: 1.125rem;
    min-width: 35px;
    text-align: center;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.btn-eliminar {
    background: linear-gradient(135deg, #ff0066 0%, #ff4444 100%);
    color: white;
    border: none;
    padding: 0.563rem 1.125rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 700;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(255, 0, 102, 0.3);
    letter-spacing: 0.3px;
}

.btn-eliminar:hover {
    transform: scale(1.08);
    box-shadow: 0 0 25px rgba(255, 0, 102, 0.7);
}

/* Carrito vacío - MEJORADO */
.empty-cart {
    text-align: center;
    padding: 4rem 1.5rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.25rem;
    font-weight: 500;
}

.empty-cart::before {
    content: '🛒';
    display: block;
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
    filter: grayscale(1);
}

/* Total del carrito - MEJORADO */
.carrito-total {
    padding: 1.75rem 2.25rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(147, 51, 234, 0.08) 100%);
    border-top: 1px solid rgba(0, 212, 255, 0.4);
    border-bottom: 1px solid rgba(0, 212, 255, 0.4);
    position: relative;
    flex-shrink: 0;
}

.carrito-total::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.6) 50%, 
        transparent 100%);
}

.carrito-total h3 {
    color: #ffffff;
    font-size: 1.75rem;
    font-weight: 800;
    text-align: right;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.5px;
}

.carrito-total span {
    color: #00ff88;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.7);
}

/* Acciones del carrito - MEJORADAS */
.carrito-acciones {
    padding: 1.75rem 2.25rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* Botones - MEJORADOS */
.btn {
    padding: 1rem 1.75rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.063rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    flex: 1;
    min-width: 160px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-size: 0.938rem;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #9333ea 100%);
    color: white;
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.7);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #00d4ff;
    border: 1.5px solid rgba(0, 212, 255, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.6);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

/* Modal de Pago - MEJORADO */
.payment-modal .form-group {
    margin-bottom: 1.75rem;
    padding: 0 2.25rem;
}

.payment-modal label {
    display: block;
    margin-bottom: 0.625rem;
    font-weight: 700;
    color: #00d4ff;
    font-size: 0.938rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.payment-modal input,
.payment-modal textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(26, 31, 55, 0.7);
    border: 1.5px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    font-size: 1rem;
    color: #ffffff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.payment-modal input:focus,
.payment-modal textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.4);
    background: rgba(26, 31, 55, 0.9);
}

.payment-modal input::placeholder,
.payment-modal textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.total-pago {
    padding: 1.75rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(147, 51, 234, 0.08) 100%);
    margin: 1.5rem 2.25rem;
    border-radius: 16px;
    border: 1.5px solid rgba(0, 212, 255, 0.35);
}

.total-pago p {
    color: #ffffff;
    font-size: 1.063rem;
    margin: 0.625rem 0;
    display: flex;
    justify-content: space-between;
    font-weight: 500;
}

.total-pago h3 {
    color: #ffffff;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 1.25rem 0 0 0;
    display: flex;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
}

.total-pago span {
    color: #00ff88;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.7);
}

.btn-full {
    width: calc(100% - 4.5rem);
    margin: 0.75rem 2.25rem;
}

/* Formulario de pago adicional */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.625rem;
    font-weight: 700;
    color: #00d4ff;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(26, 31, 55, 0.7);
    border: 1.5px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    font-size: 1rem;
    color: #ffffff;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.4);
}

/* Responsive - MEJORADO */
@media (max-width: 768px) {
    .modal-content {
        width: 96%;
        max-height: 92vh;
        border-radius: 20px;
    }
    
    .modal-header {
        padding: 1.25rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.375rem;
    }
    
    .modal-header h2::before {
        font-size: 1.5rem;
    }
    
    .carrito-items {
        padding: 1.25rem 1.5rem;
    }
    
    .carrito-item {
        grid-template-columns: 70px 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .item-imagen {
        width: 70px;
        height: 70px;
    }
    
    .item-emoji {
        font-size: 2.25rem;
    }
    
    .item-controles {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        margin-top: 0.75rem;
    }
    
    .carrito-total {
        padding: 1.25rem 1.5rem;
    }
    
    .carrito-acciones {
        flex-direction: column;
        padding: 1.25rem 1.5rem;
    }
    
    .btn {
        min-width: 100%;
    }
    
    .payment-modal .form-group {
        padding: 0 1.5rem;
    }
    
    .total-pago {
        margin: 1.25rem 1.5rem;
    }
    
    .btn-full {
        width: calc(100% - 3rem);
        margin: 0.625rem 1.5rem;
    }
}