/* ================================================
   UTILIDADES RESPONSIVE ADICIONALES
   ================================================ */

/* Touch targets mínimos para accesibilidad (44x44px) */
.touch-target {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Contenedores fluidos */
.container-fluid {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
}

/* Tipografía responsiva con clamp */
.text-responsive-lg {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.text-responsive-md {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

.text-responsive-sm {
    font-size: clamp(0.875rem, 2vw, 1rem);
}

/* Espaciado responsivo */
.p-responsive {
    padding: clamp(1rem, 3vw, 2rem);
}

.m-responsive {
    margin: clamp(1rem, 3vw, 2rem);
}

/* Imágenes responsivas */
.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Aspect ratios para imágenes */
.aspect-ratio-16-9 {
    aspect-ratio: 16 / 9;
}

.aspect-ratio-4-3 {
    aspect-ratio: 4 / 3;
}

.aspect-ratio-1-1 {
    aspect-ratio: 1 / 1;
}

/* Utilidades de visualización */
.hide-mobile {
    display: block;
}

.hide-desktop {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
    
    .hide-desktop {
        display: block;
    }
}

/* Scroll horizontal con indicadores */
.scroll-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: 1rem;
}

.scroll-container::-webkit-scrollbar {
    height: 6px;
}

.scroll-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}

.scroll-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.scroll-item {
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* Grid responsivo avanzado */
.grid-responsive-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-responsive-auto {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .grid-responsive-auto {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

/* Stack de elementos en móvil */
.stack-mobile {
    display: flex;
    gap: 1rem;
}

@media (max-width: 768px) {
    .stack-mobile {
        flex-direction: column;
    }
}

/* Centrado responsivo */
.center-mobile {
    text-align: left;
}

@media (max-width: 768px) {
    .center-mobile {
        text-align: center;
    }
}

/* Tarjetas responsivas */
.card-responsive {
    background: white;
    border-radius: 12px;
    padding: clamp(1rem, 3vw, 2rem);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-responsive:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

@media (max-width: 480px) {
    .card-responsive {
        border-radius: 8px;
    }
}

/* Botones responsivos full-width en móvil */
.btn-responsive {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    min-height: 44px;
}

@media (max-width: 480px) {
    .btn-responsive {
        width: 100%;
    }
}

/* Espaciado vertical responsivo */
.section-spacing {
    padding-top: clamp(2rem, 5vw, 4rem);
    padding-bottom: clamp(2rem, 5vw, 4rem);
}

/* Contenedor de navegación móvil */
.mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }
}

/* Optimización de rendimiento - reducir animaciones en móvil */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    /* Mantener el camión visible en el centro cuando las animaciones están deshabilitadas */
    #truckLoader {
        left: 50% !important;
        transform: translateX(-50%) !important;
        animation: none !important;
    }
    
    .loader-smoke {
        display: none !important;
    }
}

/* Safe area para notch de móviles */
@supports (padding: max(0px)) {
    .safe-area-inset {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }

    /* Aplicar safe area a componentes críticos */
    .main-header,
    .category-nav,
    .footer {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}

/* Safe area para sidebar en móvil */
@media (max-width: 768px) {
    .sidebar {
        padding-left: env(safe-area-inset-left);
    }
}

/* Mejoras de legibilidad en móviles */
@media (max-width: 480px) {
    body {
        font-size: 16px; /* Previene zoom automático en iOS */
        -webkit-text-size-adjust: 100%;
    }
    
    input,
    select,
    textarea {
        font-size: 16px; /* Previene zoom automático en iOS */
    }
}

/* Ocultar elementos decorativos en móviles pequeños */
@media (max-width: 360px) {
    .decorative {
        display: none;
    }
}

/* Flex gap fallback para navegadores antiguos */
@supports not (gap: 1rem) {
    .flex-gap > * + * {
        margin-left: 1rem;
    }
    
    .flex-gap-vertical > * + * {
        margin-top: 1rem;
    }
}