:root {
    --kuiil-primary: #881337;
    /* Vinotinto característico de Kuiil */
    --kuiil-primary-hover: #9f1239;
    --kuiil-bg-card: rgba(255, 255, 255, 0.9);
    --kuiil-text: #1e293b;
    --kuiil-text-muted: #64748b;
    --kuiil-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --kuiil-radius: 16px;
}

.kuiil-webstore-container {
    max-width: 1200px;
    margin: 5px auto;
    padding: 0 5px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

/* Grid adaptable */
.kuiil-products-grid {
    display: grid;
    gap: 1rem;
    justify-content: center;
}

.kuiil-cols-3 {
    grid-template-columns: repeat(4, minmax(200px, 100px));
}

@media (max-width:900px) {

    .kuiil-cols-3 {
        grid-template-columns: repeat(3, minmax(180px, 100px));
    }
}

@media (max-width:600px) {

    /* Grid adaptable */
    .kuiil-products-grid {
        display: grid;
        gap: 5px;
    }

    .kuiil-cols-3 {
        grid-template-columns: repeat(2, minmax(40vw, 100px));
    }
}



/* Card con Glassmorphism y micro-animación */
.kuiil-product-card {
    background: var(--kuiil-bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--kuiil-radius);
    overflow: hidden;
    box-shadow: var(--kuiil-shadow);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.kuiil-product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -15px rgba(136, 19, 55, 0.15);
}

.kuiil-product-image-wrap {
    position: relative;
    width: 100%;
    padding-top: 100%;
    /* Relación de aspecto cuadrada 1:1 */
    overflow: hidden;
    background-color: #f1f5f9;
}

.kuiil-product-image-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.kuiil-product-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #cbd5e1;
    background: #f8fafc;
}

.kuiil-product-card:hover .kuiil-product-image-wrap img {
    transform: scale(1.05);
}

.kuiil-product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--kuiil-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 99px;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    z-index: 5;
}

.kuiil-product-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.kuiil-product-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--kuiil-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.kuiil-product-desc {
    font-size: 0.85rem;
    color: var(--kuiil-text-muted);
    margin: 0 0 1.25rem 0;
    line-height: 1.6;
}

.kuiil-product-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.kuiil-product-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--kuiil-primary);
}

.kuiil-product-price .currency {
    font-size: 0.9rem;
    font-weight: 600;
    margin-right: 2px;
}

/* Botón interactivo premium */
.kuiil-btn-buy {
    background: var(--kuiil-primary);
    color: #fff;
    text-decoration: none !important;
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: background-color 0.2s ease, transform 0.1s ease;
    box-shadow: 0 4px 12px rgba(136, 19, 55, 0.2);
}

.kuiil-btn-buy:hover {
    background: var(--kuiil-primary-hover);
    color: #fff;
    transform: scale(1.03);
}

/* Manejo de errores */
.kuiil-error-card {
    text-align: center;
    padding: 3rem 1.5rem;
    background: #fff5f5;
    border: 1px dashed #feb2b2;
    border-radius: var(--kuiil-radius);
    max-width: 480px;
    margin: 2rem auto;
    font-family: system-ui, sans-serif;
}

.kuiil-error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.kuiil-error-card h3 {
    margin: 0 0 0.5rem 0;
    color: #9b2c2c;
    font-size: 1.25rem;
}

.kuiil-error-card p {
    margin: 0;
    color: #c53030;
    font-size: 0.9rem;
}