/* 📱 OPTIMIZACION MOVIL COMPLETA - TIENDITA ALOHA */
/* Diseno Mobile-First con navegacion inferior */

/* ========================================
   🎯 VARIABLES MOVILES
======================================== */
:root {
    /* Tamanos touch-friendly */
    --touch-target: 48px;
    --touch-target-large: 56px;
    --mobile-padding: 16px;
    --mobile-margin: 12px;
    
    /* Tipografia movil */
    --mobile-font-base: 16px;
    --mobile-font-small: 14px;
    --mobile-font-large: 18px;
    --mobile-font-xl: 24px;
    
    /* Espaciado movil */
    --mobile-gap: 12px;
    --mobile-gap-large: 20px;
    
    /* Navegacion inferior */
    --bottom-nav-height: 70px;
    --bottom-nav-bg: rgba(255, 255, 255, 0.95);
    --bottom-nav-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

/* ========================================
   📱 LAYOUT MOVIL PRINCIPAL
======================================== */
@media (max-width: 768px) {
    
    /* Body optimizado para movil */
    body {
        font-size: var(--mobile-font-base);
        padding-bottom: var(--bottom-nav-height);
        overflow-x: hidden;
        -webkit-text-size-adjust: 100%;
        -webkit-font-smoothing: antialiased;
    }
    
    /* Header compacto en movil */
    .site-header {
        padding: 8px var(--mobile-padding);
        min-height: 60px;
        position: sticky;
        top: 0;
        z-index: 999;
        background: rgba(76, 175, 80, 0.95);
        backdrop-filter: blur(15px);
    }
    
    .header-content {
        max-width: 100%;
        padding: 0;
    }
    
    /* Logo movil optimizado */
    .brand-link {
        gap: 8px;
    }
    
    .brand-logo {
        width: 36px;
        height: 36px;
    }
    
    .brand-name {
        font-size: var(--mobile-font-large);
        font-weight: 600;
    }
    
    /* Ocultar navegacion desktop */
    .desktop-nav {
        display: none !important;
    }
    
    /* Contenido principal con espaciado movil */
    .main-content {
        padding: var(--mobile-padding);
        min-height: calc(100vh - 130px);
    }
}

/* ========================================
   🧭 NAVEGACION INFERIOR OPTIMIZADA
======================================== */
@media (max-width: 768px) {
    
    .mobile-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: var(--bottom-nav-height);
        background: var(--bottom-nav-bg);
        box-shadow: var(--bottom-nav-shadow);
        z-index: 1000;
        padding: 8px 0;
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(76, 175, 80, 0.2);
    }
    
    .mobile-nav ul {
        display: flex;
        justify-content: space-evenly;
        align-items: center;
        width: 100%;
        margin: 0;
        padding: 0 var(--mobile-padding);
        list-style: none;
    }
    
    .mobile-nav li {
        flex: 1;
        display: flex;
        justify-content: center;
    }
    
    .mobile-nav a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--text-color);
        font-size: 24px;
        width: var(--touch-target);
        height: var(--touch-target);
        border-radius: 12px;
        transition: all 0.2s ease;
        position: relative;
        padding: 4px;
    }
    
    .mobile-nav a:hover,
    .mobile-nav a:active {
        background: rgba(76, 175, 80, 0.15);
        color: var(--primary-color);
        transform: scale(1.05);
    }
    
    /* Indicador de pagina activa */
    .mobile-nav a.active {
        background: rgba(76, 175, 80, 0.2);
        color: var(--primary-color);
    }
    
    .mobile-nav a.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        width: 4px;
        height: 4px;
        background: var(--primary-color);
        border-radius: 50%;
    }
}

/* ========================================
   🎴 CARDS Y PRODUCTOS MOVIL
======================================== */
@media (max-width: 768px) {
    
    /* Grid de productos optimizado */
    .products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--mobile-gap);
        padding: 0;
    }
    
    /* Cards de productos touch-friendly */
    .product-card {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow);
        overflow: hidden;
        transition: var(--transition);
        min-height: 220px;
    }
    
    .product-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    }
    
    .product-image {
        width: 100%;
        height: 120px;
        object-fit: cover;
    }
    
    .product-info {
        padding: var(--mobile-gap);
    }
    
    .product-name {
        font-size: var(--mobile-font-small);
        font-weight: 600;
        margin-bottom: 4px;
        line-height: 1.3;
    }
    
    .product-price {
        font-size: var(--mobile-font-base);
        color: var(--primary-color);
        font-weight: bold;
        margin-bottom: 8px;
    }
    
    /* Botones touch-friendly */
    .btn-add-cart {
        width: 100%;
        min-height: var(--touch-target);
        font-size: var(--mobile-font-small);
        padding: 12px;
        border: none;
        border-radius: 8px;
        background: var(--primary-color);
        color: white;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .btn-add-cart:hover {
        background: var(--secondary-color);
        transform: scale(1.02);
    }
}

/* ========================================
   📝 FORMULARIOS MOVIL
======================================== */
@media (max-width: 768px) {
    
    .form-group {
        margin-bottom: var(--mobile-gap-large);
    }
    
    .form-label {
        display: block;
        font-size: var(--mobile-font-small);
        font-weight: 600;
        margin-bottom: 6px;
        color: var(--text-color);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        width: 100%;
        min-height: var(--touch-target);
        padding: 12px var(--mobile-padding);
        border: 2px solid #e0e0e0;
        border-radius: var(--border-radius);
        font-size: var(--mobile-font-base);
        background: white;
        transition: var(--transition);
        -webkit-appearance: none;
        box-sizing: border-box;
    }
    
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
    }
    
    /* Botones de formulario */
    .btn-primary {
        width: 100%;
        min-height: var(--touch-target-large);
        font-size: var(--mobile-font-base);
        font-weight: 600;
        padding: 16px;
        border: none;
        border-radius: var(--border-radius);
        background: var(--primary-color);
        color: white;
        cursor: pointer;
        transition: var(--transition);
        margin-top: var(--mobile-gap);
    }
    
    .btn-primary:hover {
        background: var(--secondary-color);
        transform: translateY(-1px);
    }
    
    .btn-secondary {
        width: 100%;
        min-height: var(--touch-target);
        font-size: var(--mobile-font-small);
        padding: 12px;
        border: 2px solid var(--primary-color);
        border-radius: var(--border-radius);
        background: transparent;
        color: var(--primary-color);
        cursor: pointer;
        transition: var(--transition);
        margin-top: 8px;
    }
    
    .btn-secondary:hover {
        background: var(--primary-color);
        color: white;
    }
}

/* ========================================
   🛒 CARRITO MOVIL
======================================== */
@media (max-width: 768px) {
    
    .cart-container {
        padding: 0;
    }
    
    .cart-item {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        padding: var(--mobile-padding);
        margin-bottom: var(--mobile-gap);
        box-shadow: var(--box-shadow);
        display: flex;
        gap: var(--mobile-gap);
        align-items: center;
    }
    
    .cart-item-image {
        width: 60px;
        height: 60px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }
    
    .cart-item-info {
        flex: 1;
        min-width: 0;
    }
    
    .cart-item-name {
        font-size: var(--mobile-font-small);
        font-weight: 600;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .cart-item-price {
        font-size: var(--mobile-font-base);
        color: var(--primary-color);
        font-weight: bold;
    }
    
    .cart-quantity-controls {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }
    
    .quantity-btn {
        width: 36px;
        height: 36px;
        border: none;
        border-radius: 50%;
        background: var(--primary-color);
        color: white;
        font-size: 18px;
        font-weight: bold;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .quantity-btn:hover {
        background: var(--secondary-color);
        transform: scale(1.1);
    }
    
    .quantity-input {
        width: 50px;
        height: 36px;
        text-align: center;
        border: 2px solid #e0e0e0;
        border-radius: 6px;
        font-size: var(--mobile-font-base);
        font-weight: 600;
    }
    
    /* Resumen del carrito */
    .cart-summary {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        padding: var(--mobile-gap-large);
        margin-top: var(--mobile-gap-large);
        box-shadow: var(--box-shadow);
        position: relative;
        margin-bottom: calc(var(--bottom-nav-height) + 10px);
    }
    
    .cart-total {
        font-size: var(--mobile-font-xl);
        font-weight: bold;
        color: var(--primary-color);
        text-align: center;
        margin-bottom: var(--mobile-gap);
    }
}

/* ========================================
   🔍 BUSQUEDA MOVIL
======================================== */
@media (max-width: 768px) {
    
    .search-container {
        padding: 0;
        margin-bottom: var(--mobile-gap-large);
    }
    
    .search-box {
        position: relative;
        width: 100%;
    }
    
    .search-input {
        width: 100%;
        min-height: var(--touch-target);
        padding: 12px 50px 12px var(--mobile-padding);
        border: 2px solid #e0e0e0;
        border-radius: 25px;
        font-size: var(--mobile-font-base);
        background: white;
        box-shadow: var(--box-shadow);
        transition: var(--transition);
        box-sizing: border-box;
    }
    
    .search-input:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
    }
    
    .search-btn {
        position: absolute;
        right: 4px;
        top: 50%;
        transform: translateY(-50%);
        width: 40px;
        height: 40px;
        border: none;
        border-radius: 50%;
        background: var(--primary-color);
        color: white;
        font-size: 18px;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .search-btn:hover {
        background: var(--secondary-color);
        transform: translateY(-50%) scale(1.05);
    }
    
    /* Filtros moviles */
    .filters-mobile {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 8px 0;
        margin-bottom: var(--mobile-gap);
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-chip {
        flex-shrink: 0;
        padding: 8px 16px;
        border: 2px solid #e0e0e0;
        border-radius: 20px;
        background: white;
        font-size: var(--mobile-font-small);
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
    }
    
    .filter-chip.active {
        border-color: var(--primary-color);
        background: var(--primary-color);
        color: white;
    }
    
    .filter-chip:hover {
        border-color: var(--primary-color);
        background: rgba(76, 175, 80, 0.1);
    }
}

/* ========================================
   💳 CHECKOUT MOVIL
======================================== */
@media (max-width: 768px) {
    
    .checkout-container {
        padding: 0;
    }
    
    .checkout-section {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        padding: var(--mobile-gap-large);
        margin-bottom: var(--mobile-gap-large);
        box-shadow: var(--box-shadow);
    }
    
    .checkout-title {
        font-size: var(--mobile-font-large);
        font-weight: bold;
        margin-bottom: var(--mobile-gap);
        color: var(--primary-color);
        text-align: center;
    }
    
    .order-summary-mobile {
        background: rgba(76, 175, 80, 0.05);
        border-radius: var(--border-radius);
        padding: var(--mobile-padding);
        margin-bottom: var(--mobile-gap-large);
    }
    
    .summary-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    
    .summary-item:last-child {
        border-bottom: none;
        font-weight: bold;
        font-size: var(--mobile-font-base);
        color: var(--primary-color);
    }
    
    .checkout-btn {
        width: 100%;
        min-height: var(--touch-target-large);
        font-size: var(--mobile-font-base);
        font-weight: bold;
        padding: 18px;
        border: none;
        border-radius: var(--border-radius);
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
        position: sticky;
        bottom: calc(var(--bottom-nav-height) + 10px);
    }
    
    .checkout-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    }
}

/* ========================================
   📱 MENSAJES Y NOTIFICACIONES
======================================== */
@media (max-width: 768px) {
    
    .flash-messages {
        padding: 0 var(--mobile-padding);
        margin-bottom: var(--mobile-gap);
    }
    
    .flash-message {
        padding: var(--mobile-gap);
        border-radius: var(--border-radius);
        margin-bottom: 8px;
        font-size: var(--mobile-font-small);
        line-height: 1.4;
        box-shadow: var(--box-shadow);
    }
    
    .flash-message.success {
        background: rgba(76, 175, 80, 0.1);
        border-left: 4px solid var(--primary-color);
        color: var(--secondary-color);
    }
    
    .flash-message.error {
        background: rgba(244, 67, 54, 0.1);
        border-left: 4px solid #f44336;
        color: #c62828;
    }
    
    .flash-message.info {
        background: rgba(33, 150, 243, 0.1);
        border-left: 4px solid #2196f3;
        color: #1565c0;
    }
}

/* ========================================
   🎨 ANIMACIONES Y TRANSICIONES
======================================== */
@media (max-width: 768px) {
    
    /* Animacion de carga */
    .loading-spinner {
        width: 40px;
        height: 40px;
        border: 4px solid rgba(76, 175, 80, 0.1);
        border-left: 4px solid var(--primary-color);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 20px auto;
    }
    
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    
    /* Animacion de aparicion */
    .fade-in {
        animation: fadeIn 0.3s ease-in;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    /* Animacion de deslizamiento */
    .slide-up {
        animation: slideUp 0.3s ease-out;
    }
    
    @keyframes slideUp {
        from { transform: translateY(20px); opacity: 0; }
        to { transform: translateY(0); opacity: 1; }
    }
}

/* ========================================
   🌟 ESTADOS ESPECIALES
======================================== */
@media (max-width: 768px) {
    
    /* Estado de carga */
    .loading {
        pointer-events: none;
        opacity: 0.7;
        position: relative;
    }
    
    .loading::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 20px;
        height: 20px;
        border: 2px solid rgba(76, 175, 80, 0.1);
        border-left: 2px solid var(--primary-color);
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }
    
    /* Estado vacio */
    .empty-state {
        text-align: center;
        padding: var(--mobile-gap-large);
        color: #666;
    }
    
    .empty-state-icon {
        font-size: 48px;
        margin-bottom: var(--mobile-gap);
        opacity: 0.5;
    }
    
    .empty-state-text {
        font-size: var(--mobile-font-base);
        line-height: 1.5;
    }
}

/* ========================================
   🔧 UTILIDADES MOVILES
======================================== */
@media (max-width: 768px) {
    
    /* Espaciado */
    .mt-mobile { margin-top: var(--mobile-gap) !important; }
    .mb-mobile { margin-bottom: var(--mobile-gap) !important; }
    .pt-mobile { padding-top: var(--mobile-gap) !important; }
    .pb-mobile { padding-bottom: var(--mobile-gap) !important; }
    
    /* Texto */
    .text-center-mobile { text-align: center !important; }
    .text-small-mobile { font-size: var(--mobile-font-small) !important; }
    .text-large-mobile { font-size: var(--mobile-font-large) !important; }
    
    /* Visibilidad */
    .hide-mobile { display: none !important; }
    .show-mobile { display: block !important; }
    
    /* Ancho completo */
    .full-width-mobile { width: 100% !important; }
    
    /* Scroll horizontal */
    .scroll-x-mobile {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .scroll-x-mobile::-webkit-scrollbar {
        display: none;
    }
}

/* ========================================
   🎯 OPTIMIZACIONES ESPECIFICAS
======================================== */

/* Mejoras de rendimiento */
@media (max-width: 768px) {
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    input, textarea {
        -webkit-user-select: text;
        user-select: text;
    }
    
    /* Optimizacion de scroll */
    .main-content {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    /* Mejora de fuentes */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
}