body {
    background: #f8fafc;
}

.header-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
    margin-bottom: 25px;
}

.logo {
    max-width: 650px;
    width: 100%;
    height: auto;
}

.filtros {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
    margin-bottom: 30px;
}

.card-produto {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all .25s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .08);
    background: white;
}

.card-produto:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, .12);
}

.card-img-container {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    padding: 15px;
}

.card-img-container img {
    width: 100%;
    height: 190px;
    object-fit: contain;
}

.referencia {
    color: #0d6efd;
    font-weight: 700;
    font-size: 1.05rem;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #64748b;
}

/* WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.25);
    z-index: 9999;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Impressão */
@media print {
    @page { size: A4 portrait; margin: 1cm; }
    .nao-imprimir, .whatsapp-float { display: none !important; }
    body { background: white; }

    #catalogo {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 15px !important;
    }

    .card-produto { break-inside: avoid; }
    .card-img-container { height: 140px; }
    .card-img-container img { height: 120px; }
    .referencia { font-size: 0.95rem; }
}