@media (max-width: 900px) {

    /* ==========================================================================
       === ARIEL MOBILE FIX - DEFINITIVE EDITION V3 (ULTRA COMPACT + FINOS) ===
       ========================================================================== */

    /* 1. RESET Y ESTRUCTURA GENERAL */
    html,
    body {
        width: 100% !important;
        overflow-x: hidden !important;
        background: #f4f6f8 !important;
    }

    #app {
        padding-top: 120px !important;
    }

    .container {
        padding: 0 4px !important;
    }

    .mobile-only {
        display: block !important;
    }

    /* 2. CABECERA GRID */
    header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        z-index: 10000 !important;
        background: #fff !important;
        box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
    }

    .main-header {
        padding: 5px 0 !important;
    }

    .main-header .container {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        grid-template-areas:
            "logo banner"
            "search auth" !important;
        gap: 5px !important;
        align-items: center !important;
        width: 100% !important;
    }

    /* Logo */
    .logo-area {
        grid-area: logo !important;
        display: flex !important;
        justify-content: flex-start !important;
    }

    .logo-area img {
        height: 45px !important;
    }

    /* Banner Mayorista */
    .mobile-wholesale-banner {
        grid-area: banner !important;
        display: flex !important;
        justify-self: end !important;
        font-size: 10px !important;
    }

    /* Buscador */
    .search-area {
        grid-area: search !important;
        width: 100% !important;
        height: 32px !important;
        position: relative !important;
        margin: 0 !important;
    }

    .search-area input {
        width: 100% !important;
        height: 100% !important;
        padding: 0 25px 0 8px !important;
        font-size: 11px !important;
        background: #f2f2f2 !important;
        border: none !important;
        border-radius: 4px !important;
    }

    #mobileSearchIcon {
        position: absolute !important;
        right: 6px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        color: #0046be !important;
        font-size: 12px !important;
    }

    /* Auth Links */
    .mobile-auth-links {
        grid-area: auth !important;
        display: flex !important;
        justify-content: flex-end !important;
        align-items: center !important;
        gap: 8px !important;
        height: 32px !important;
    }

    .mobile-auth-links>span {
        font-size: 9px !important;
        background: #f0f4ff;
        color: #0046be !important;
        padding: 4px 6px;
        border-radius: 4px;
        white-space: nowrap;
    }

    .mobile-auth-links i {
        font-size: 18px !important;
        color: #333 !important;
    }

    /* Nav Pills */
    .nav-bar {
        padding: 4px 0 !important;
        border-top: 1px solid #f0f0f0 !important;
    }

    .nav-bar ul {
        gap: 6px !important;
        padding: 0 5px !important;
    }

    .nav-bar a {
        font-size: 10px !important;
        padding: 4px 10px !important;
    }

    .nav-bar a.active {
        background: #1a41f0 !important;
    }

    /* 3. BANNERS (Transfit & 5%) */
    .main-home-wrapper {
        display: none !important;
    }

    .hero-box {
        display: none !important;
    }

    /* Estilo común para banners finos */
    .thin-banner,
    .pro-banner {
        display: flex !important;
        width: 100%;
        padding: 6px 10px !important;
        margin: 5px 0 2px 0 !important;
        /* Pegado abajo */
        border-radius: 4px !important;
        align-items: center !important;
        justify-content: center !important;
        /* Centrado */
        cursor: pointer;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        min-height: 30px !important;
        height: auto !important;
        text-align: center !important;
    }

    /* Transfit Específico */
    .thin-banner {
        background: linear-gradient(90deg, #0046be, #002a72);
        color: white;
        justify-content: space-between !important;
    }

    .thin-banner img.tb-logo {
        height: 20px !important;
        width: auto !important;
        /* filter: brightness(0) invert(1); */
        margin-right: 8px;
    }

    /* 5% Descuento (Convertido a Finito) */
    .pro-banner {
        background: linear-gradient(45deg, #11998e, #38ef7d) !important;
        /* Verde */
        color: white !important;
    }

    .pro-banner h2 {
        font-size: 10px !important;
        /* Texto chico */
        margin: 0 !important;
        font-weight: 700 !important;
        line-height: 1.2 !important;
        white-space: nowrap !important;
    }

    /* 4. TÍTULOS */
    #anchorProducts {
        margin-top: 5px !important;
        padding-top: 2px !important;
        border-top: none !important;
    }

    #anchorProducts h2,
    .section-title h2,
    h2.text-uppercase {
        font-size: 15px !important;
        margin: 0 0 8px 0 !important;
        padding-left: 0 !important;
        padding-bottom: 5px !important;
        border-left: none !important;
        border-bottom: 2px solid #0046be !important;
        display: flex !important;
        align-items: center !important;
        height: auto !important;
        width: 100% !important;
        justify-content: flex-start !important;
        gap: 5px !important;
        letter-spacing: -0.5px !important;
    }

    /* 5. GRILLA ULTRA COMPACTA */
    .product-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 4px !important;
        padding: 0 !important;
        width: 100% !important;
        margin-top: 0 !important;
    }

    .product-card {
        padding: 4px !important;
        gap: 2px !important;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
        margin: 0 !important;
    }

    .product-card img {
        height: 120px !important;
        margin-bottom: 2px !important;
    }

    .product-card h4 {
        font-size: 10px !important;
        line-height: 1.1 !important;
        height: 22px !important;
        overflow: hidden !important;
        margin-bottom: 2px !important;
    }

    .product-card .price {
        font-size: 14px !important;
        margin-top: 2px !important;
        font-weight: 800 !important;
    }

    .card-buttons {
        margin-top: auto !important;
        gap: 2px !important;
    }

    .product-card .btn-buy,
    .product-card .btn-now {
        height: 24px !important;
        font-size: 9px !important;
        padding: 0 !important;
    }

    /* Cart Fix */
    .cart-sidebar {
        display: flex !important;
        flex-direction: column !important;
        height: 100vh !important;
        z-index: 20000 !important;
    }

    #cartItems {
        flex: 1 !important;
        overflow-y: auto !important;
    }

    /* 6. FOOTER POLISH */
    .main-footer {
        padding: 30px 15px !important;
        margin-top: 50px !important;
        background: #fff !important;
        text-align: center !important;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
        text-align: center !important;
    }

    .footer-bottom {
        flex-direction: column !important;
        gap: 15px !important;
        text-align: center !important;
    }

    .footer-bottom b {
        display: block;
        font-size: 16px;
        margin-bottom: 5px;
    }
}