/* Mobile Responsive Design - Mobile First */

/* Menu Toggle Button */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all var(--transition);
    width: 40px;
    height: 40px;
}

.menu-toggle:hover {
    background-color: var(--bg-card);
    color: var(--accent);
}

.menu-toggle.active i::before {
    content: '\f00d';
}

/* Drawer overlay backdrop */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 98;
    animation: fadeIn 0.3s ease-out;
}

.nav-overlay.active {
    display: block;
}

/* Tablets (768px and below) */
@media (max-width: 768px) {
    .nav-overlay.active {
        display: block;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        max-width: 320px;
        height: calc(100vh - 60px);
        background: var(--bg-card);
        border-right: 1px solid var(--border-subtle);
        padding: 0;
        flex-direction: column;
        gap: 0;
        z-index: 99;
        transition: left var(--transition);
        overflow-y: auto;
        backdrop-filter: blur(10px);
    }

    .nav.active {
        left: 0;
    }

    .nav-link {
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-subtle);
        font-size: 1rem;
        color: var(--text-secondary);
    }

    .nav-link:hover,
    .nav-link.active {
        background: rgba(74, 158, 255, 0.1);
        color: var(--accent);
        border-left: 4px solid var(--accent);
        padding-left: 20px;
    }
}

/* Tablets (768px to 1024px) */
@media (max-width: 1024px) {
    .productos-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .contacto-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .checkout-grid {
        grid-template-columns: 1fr 300px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Small Tablets and Landscape (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header-content {
        padding: 0.8rem 0;
    }

    .nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        border-top: 1px solid var(--border-color);
        background: var(--bg-primary);
        z-index: 99;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .nav.active {
        display: flex;
    }

    .nav-link {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--border-color);
        font-size: 1rem;
        color: var(--text-secondary);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link.active {
        color: var(--accent);
        background: rgba(74, 158, 255, 0.08);
        border-left: 4px solid var(--accent);
        padding-left: calc(1.5rem - 4px);
    }

    .nav-link:hover {
        background: var(--bg-card);
    }

    .logo {
        margin: 0;
        flex: 1;
    }

    .header-actions {
        order: 2;
        gap: 1.5rem;
    }

    .btn-theme {
        padding: 0.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    .catalogo,
    .preventa-section,
    .acerca-section,
    .contacto-section,
    .carrito-section,
    .checkout-section {
        padding: 3rem 0;
    }

    .catalogo h2,
    .preventa-section h2,
    .acerca-section h1,
    .contacto-section h1,
    .carrito-section h1,
    .checkout-section h1 {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .productos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .producto-card {
        display: flex;
        flex-direction: column;
    }

    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contacto-card {
        padding: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .checkout-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .carrito-contenido {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .carrito-resumen {
        position: relative;
        top: auto;
    }

    .tabla-carrito {
        font-size: 0.9rem;
    }

    .tabla-carrito th,
    .tabla-carrito td {
        padding: 0.8rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contacto-form {
        padding: 2rem;
    }

    .preventa-info {
        padding: 1.5rem;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .header-actions {
        gap: 1rem;
    }

    .btn-theme {
        padding: 0.4rem;
        font-size: 1rem;
    }

    .btn-carrito {
        font-size: 1rem;
    }

    .carrito-count {
        width: 18px;
        height: 18px;
        font-size: 0.65rem;
        top: -6px;
        right: -8px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .productos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .producto-card {
        border-radius: 8px;
    }

    .producto-card > div:not(.producto-imagen) {
        padding: 1rem;
    }

    .producto-card h3 {
        font-size: 1rem;
    }

    .producto-card .precio {
        font-size: 1.3rem;
    }

    .preventa-badge {
        top: 8px;
        right: 8px;
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }

    .contacto-grid {
        grid-template-columns: 1fr;
    }

    .contacto-card {
        padding: 1.5rem;
    }

    .contacto-icono {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .contacto-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.65rem;
        font-size: 16px;
    }

    textarea {
        min-height: 100px;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-col h4 {
        font-size: 0.9rem;
    }

    .footer-col p,
    .footer-col a {
        font-size: 0.85rem;
    }

    .tabla-carrito {
        font-size: 0.8rem;
    }

    .tabla-carrito th {
        padding: 0.6rem;
    }

    .tabla-carrito td {
        padding: 0.6rem;
    }

    .carrito-resumen {
        padding: 1.5rem;
    }

    .resumen-fila {
        font-size: 0.9rem;
        margin-bottom: 0.8rem;
    }

    .resumen-fila.total {
        font-size: 1.1rem;
    }

    .checkout-form,
    .checkout-resumen {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .preventa-info {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .catalogo-vacio {
        padding: 2rem;
    }

    .acerca-contenido {
        padding: 0;
    }

    .acerca-contenido p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

/* Extra small screens (max 380px) */
@media (max-width: 380px) {
    .container {
        padding: 0 12px;
    }

    .logo {
        font-size: 1.1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    h3 {
        font-size: 1rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }

    .productos-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .producto-card > div:not(.producto-imagen) {
        padding: 0.8rem;
    }

    .producto-card h3 {
        font-size: 0.95rem;
    }

    .producto-card .descripcion {
        font-size: 0.8rem;
    }

    .producto-card .precio {
        font-size: 1.2rem;
    }

    .preventa-badge {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }

    .contacto-form {
        padding: 1rem;
    }

    .form-group {
        margin-bottom: 0.8rem;
    }

    .form-group label {
        font-size: 0.85rem;
        margin-bottom: 0.4rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.55rem;
        font-size: 14px;
    }

    .preventa-info {
        padding: 0.8rem;
        font-size: 0.8rem;
    }

    .preventa-info i {
        font-size: 0.9rem;
    }
}

/* Large screens (1200px+) */
@media (min-width: 1200px) {
    .productos-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .nav {
        flex: initial;
        display: flex !important;
        position: static;
        top: auto;
        left: auto;
        right: auto;
        padding: 0;
        border-top: none;
        background: transparent;
        max-height: none;
        z-index: auto;
    }

    .nav-link {
        padding: 0;
        border-bottom: none;
        font-size: 0.95rem;
    }

    .nav-link.active {
        background: transparent;
        border-left: none;
        padding-left: 0;
    }
}

/* Extra large screens (1440px+) */
@media (min-width: 1440px) {
    .productos-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .contacto-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .checkout-grid {
        grid-template-columns: 2fr 400px;
    }
}

/* ==================== TABLE TO CARD TRANSFORMATION (ADMIN) ==================== */
@media (max-width: 768px) {
    .tabla-container {
        border: none;
        background: transparent;
        box-shadow: none;
        border-radius: 0;
    }

    table {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
        background: transparent;
        border: none;
    }

    table thead {
        display: none;
    }

    table tbody {
        display: contents;
    }

    table tr {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0;
        background: var(--admin-bg-secondary);
        border: 1px solid var(--admin-border-color);
        border-radius: var(--admin-radius);
        padding: 16px;
        border-bottom: none;
    }

    table tr:hover {
        background-color: var(--admin-bg-tertiary);
        border-color: var(--admin-accent);
    }

    table td {
        padding: 8px 0;
        display: grid;
        grid-template-columns: 100px 1fr;
        gap: 12px;
        align-items: center;
        border: none;
        border-bottom: 1px solid var(--admin-border-color);
        color: var(--admin-text-secondary);
    }

    table td:last-child {
        border-bottom: none;
        grid-column: 1 / -1;
    }

    table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--admin-text-primary);
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }

    table td img {
        grid-column: 1 / 2;
        max-width: 60px;
        max-height: 60px;
        border-radius: 8px;
    }

    .table-actions {
        grid-column: 1 / -1;
        display: flex;
        gap: 8px;
        padding-top: 8px;
        border-top: 1px solid var(--admin-border-color);
    }

    .table-actions button {
        flex: 1;
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}