/* =========================
   CSS VARIABLES Y RESET
   ========================= */

:root {
    /* Colores principales */
    --color-primary: #2c3e50;
    --color-primary-light: #34495e;
    --color-secondary: #e74c3c;
    --color-accent: #f39c12;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    
    /* Colores neutros */
    --color-white: #ffffff;
    --color-light-gray: #f8f9fa;
    --color-gray: #6c757d;
    --color-dark-gray: #495057;
    --color-black: #212529;
    
    /* Tipografía */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-xs: clamp(10px, 1.5vw, 12px);
    --font-size-sm: clamp(12px, 1.8vw, 14px);
    --font-size-base: clamp(14px, 2vw, 16px);
    --font-size-lg: clamp(16px, 2.5vw, 18px);
    --font-size-xl: clamp(18px, 3vw, 22px);
    --font-size-2xl: clamp(24px, 4vw, 32px);
    --font-size-3xl: clamp(28px, 5vw, 42px);
    --font-size-4xl: clamp(32px, 6vw, 48px);
    
    /* Espaciado */
    --spacing-xs: clamp(4px, 1vw, 8px);
    --spacing-sm: clamp(8px, 1.5vw, 12px);
    --spacing-md: clamp(12px, 2vw, 16px);
    --spacing-lg: clamp(16px, 3vw, 24px);
    --spacing-xl: clamp(24px, 4vw, 32px);
    --spacing-2xl: clamp(32px, 5vw, 48px);
    --spacing-3xl: clamp(48px, 6vw, 64px);
    
    /* Layout */
    --container-padding: clamp(16px, 4vw, 32px);
    --section-padding: clamp(32px, 6vw, 64px);
    --grid-gap: clamp(16px, 3vw, 32px);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15), 0 5px 10px rgba(0, 0, 0, 0.10);
    
    /* Transiciones */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Reset básico mejorado */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-black);
    background: var(--color-light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

/* =========================
   LAYOUT CONTAINERS
   ========================= */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* =========================
   UTILITY CLASSES
   ========================= */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =========================
   BOTONES
   ========================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 44px; /* Accesibilidad táctil */
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: #c0392b;
    border-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: var(--font-size-lg);
}

/* =========================
   HEADER RESPONSIVE MEJORADO
   Reemplaza la sección HEADER en tu styles.css
   ========================= */

.header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: var(--font-size-3xl);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

.search-filters {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
}

/* =========================
   HEADER COMPACTO PARA MÓVIL (SIN HAMBURGUESA)
   Reemplaza toda la sección RESPONSIVE MOBILE FIRST
   ========================= */

/* Tablets pequeñas y móviles grandes */
@media (max-width: 768px) {
    .header {
        padding: 0;
    }
    
    .header-content {
        padding: 8px 0; /* Mucho más compacto */
        flex-direction: column;
        gap: 8px;
        justify-content: center;
    }
    
    .logo {
        font-size: 18px; /* Logo más pequeño */
        order: 1;
        align-self: center;
    }
    
    .logo-icon {
        font-size: 20px;
    }
    
    /* MANTENER FILTROS VISIBLES - NO OCULTAR */
    .search-filters {
        order: 2;
        width: 100%;
        justify-content: center;
        gap: 8px;
        flex-wrap: nowrap;
        flex-direction: row;
        position: static !important; /* Anular el position: fixed */
        transform: none !important; /* Anular el transform */
        background: transparent !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    /* Ocultar elementos no esenciales */
    .connection-status {
        display: none;
    }
    
    #showAllBtn {
        display: none;
    }
    
    /* NO ocultar el menú hamburguesa (ya que no lo usamos) */
    .mobile-menu-btn {
        display: none !important;
    }
    
    /* Asegurar que búsqueda y filtro estén visibles */
    .search-box,
    .filter-box {
        display: flex !important;
        flex: 1;
    }
    
    .search-input {
        width: 100% !important;
        min-width: 120px;
        max-width: 180px;
        padding: 6px 10px;
        font-size: 14px;
        height: 36px;
        display: block !important;
    }
    
    .filter-select {
        width: 100% !important;
        min-width: 100px;
        max-width: 140px;
        padding: 6px 8px;
        font-size: 14px;
        height: 36px;
        padding-right: 24px;
        display: block !important;
    }
}

/* Móviles muy pequeños */
@media (max-width: 480px) {
    .header-content {
        padding: 6px 0;
        gap: 6px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .logo-icon {
        font-size: 18px;
    }
    
    .search-filters {
        gap: 6px;
    }
    
    .search-input,
    .filter-select {
        padding: 5px 8px;
        font-size: 14px;
        height: 32px;
    }
    
    .search-input {
        max-width: 150px;
    }
    
    .filter-select {
        max-width: 120px;
        padding-right: 20px;
    }
}

/* Desktop - mantener comportamiento original */
@media (min-width: 769px) {
    .header-content {
        padding: var(--spacing-lg) 0;
        flex-direction: row;
        justify-content: space-between;
    }
    
    .logo {
        font-size: var(--font-size-2xl);
        order: 0;
    }
    
    .search-filters {
        order: 0;
        width: auto;
        justify-content: flex-end;
        flex-direction: row;
    }
    
    .connection-status,
    #showAllBtn {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none !important;
    }
}

/* =========================
   ANIMACIONES PARA EL MENÚ
   ========================= */

/* Overlay para cerrar el menú tocando fuera */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-dropdown) - 1);
    backdrop-filter: blur(2px);
}

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

/* Animación del ícono hamburguesa */
.mobile-menu-btn.active {
    transform: rotate(90deg);
}

/* Mejora de la animación de entrada del menú */
@media (max-width: 768px) {


    .search-filters.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(-100%);
    }
}

/* =========================
   BOTÓN VER TODO RESPONSIVE
   ========================= */

@media (max-width: 768px) {
    #showAllBtn {
        width: 100%;
        justify-content: center;
        order: 10; /* Ponerlo al final */
        margin-top: var(--spacing-sm);
    }
}

/* =========================
   HERO SECTION
   ========================= */

.hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap);
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-text p {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-image {
    order: -1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
}

.hero-image img:hover {
    transform: scale(1.03) rotate(1deg);
}

/* =========================
   PRODUCTS SECTION
   ========================= */

.products-section {
    padding: var(--section-padding) 0;
    min-height: 50vh;
}

.section-header {
    text-align: center;
    margin-bottom: var(--grid-gap);
}

.section-header h2 {
    color: var(--color-primary);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
    margin-top: var(--grid-gap);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition-base);
    height: fit-content;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.product-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.product-image {
    height: clamp(200px, 30vw, 280px);
    overflow: hidden;
    position: relative;
    background: var(--color-light-gray);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: var(--spacing-lg);
}

.product-title {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    line-height: 1.3;
}

.product-brand {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
}

.product-price {
    color: var(--color-secondary);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.product-sizes {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.size-tag {
    background: var(--color-light-gray);
    color: var(--color-dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    position: relative;
    font-weight: 600;
    font-size: var(--font-size-sm);
    min-width: 36px;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition-base);
}

.size-tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.size-tag.out {
    opacity: 0.45;
    text-decoration: line-through;
    position: relative;
}

.size-tag.out .size-x {
    position: absolute;
    right: 4px;
    top: -2px;
    font-weight: 900;
    color: var(--color-secondary);
    font-size: 10px;
}

.no-stock-label {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-secondary);
    font-weight: 700;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(220, 53, 69, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

/* =========================
   ESTADOS DE CARGA
   ========================= */

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: var(--section-padding);
    color: var(--color-gray);
    gap: var(--spacing-lg);
    min-height: 200px;
}

.spinner {
    width: clamp(24px, 4vw, 40px);
    height: clamp(24px, 4vw, 40px);
    border: 3px solid var(--color-light-gray);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.no-results {
    text-align: center;
    padding: var(--section-padding);
    color: var(--color-gray);
}

.no-results-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.no-results h3 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.no-results p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* =========================
   MODAL SYSTEM
   ========================= */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    padding: var(--spacing-lg);
    overflow: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalAppear 0.3s ease-out;
    box-shadow: var(--shadow-xl);
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid #eee;
    background: var(--color-light-gray);
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    color: var(--color-gray);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--color-black);
    transform: scale(1.1);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap);
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-image {
    order: -1;
}

.modal-image img {
    width: 100%;
    border-radius: var(--border-radius);
    max-height: 400px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.modal-details h3 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.modal-brand {
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.modal-price {
    color: var(--color-secondary);
    font-weight: 800;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xl);
}

.size-selector {
    margin-bottom: var(--spacing-xl);
}

.size-selector h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.size-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: var(--spacing-md);
    max-width: 400px;
}

.size-btn {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    background: var(--color-light-gray);
    border: 2px solid transparent;
    cursor: pointer;
    font-weight: 700;
    font-size: var(--font-size-base);
    text-align: center;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    position: relative;
}

.size-btn:hover:not(.disabled) {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.size-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.size-btn.selected {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.size-btn.disabled {
    opacity: 0.45;
    pointer-events: none;
    background: #f4f4f4;
    color: #999;
    position: relative;
}

.size-btn.disabled::after {
    content: '✕';
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 10px;
    color: var(--color-danger);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid #eee;
    background: var(--color-light-gray);
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* =========================
   ADMIN PANEL
   ========================= */

.admin-form {
    display: grid;
    gap: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.admin-product {
    padding: var(--spacing-lg);
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.admin-product h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.admin-product p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.admin-sizes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.admin-size {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.admin-size label {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.admin-size input {
    padding: var(--spacing-sm);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 16px; /* Evita zoom en iOS */
    min-height: 40px;
    transition: var(--transition-base);
}

.admin-size input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

/* =========================
   NOTIFICACIONES
   ========================= */

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius);
    z-index: var(--z-tooltip);
    transform: translateX(100%);
    transition: var(--transition-base);
    max-width: calc(100vw - 40px);
    font-size: var(--font-size-base);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid transparent;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: var(--color-success);
    border-left-color: #1e7e34;
}

.notification.error {
    background: var(--color-danger);
    border-left-color: #721c24;
}

.notification.warning {
    background: var(--color-warning);
    color: var(--color-black);
    border-left-color: #856404;
}

.notification.info {
    background: #17a2b8;
    border-left-color: #0c5460;
}

/* =========================
   FOOTER
   ========================= */

.footer {
    background: var(--color-primary);
    color: var(--color-white);
    margin-top: var(--section-padding);
    padding: var(--section-padding) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.footer-info p {
    opacity: 0.8;
    font-size: var(--font-size-base);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: var(--font-size-sm);
}

/* =========================
   RESPONSIVE BREAKPOINTS
   ========================= */

/* Tablets grandes y desktop pequeño */
@media (min-width: 768px) {
    .hero-content {
        text-align: left;
    }
    
    .hero-text {
        order: 0;
    }
    
    .hero-image {
        order: 1;
    }
    
    .modal-body {
        grid-template-columns: 1fr 1fr;
    }
    
    .modal-image {
        order: 0;
    }
    
    .hero-actions {
        justify-content: flex-start;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
    
    .search-filters {
        flex-wrap: nowrap;
    }
    
    .search-input {
        min-width: 250px;
    }
}

/* Tablets pequeñas y móviles grandes */
@media (max-width: 768px) {
    .header-content {
        justify-content: center;
        text-align: center;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .search-filters {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .search-input,
    .filter-select {
        width: 100%;
        max-width: none;
        min-width: 0;
    }

    .hero-content {
        text-align: center;
        gap: var(--spacing-xl);
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 0;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .modal-body {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }

    .size-options {
        grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
    }

    .modal-actions,
    .modal-footer {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .footer-links {
        justify-content: center;
    }
}

/* Móviles */
@media (max-width: 480px) {
    :root {
        --container-padding: 16px;
        --section-padding: 24px;
        --grid-gap: 16px;
    }

    .header-content {
        padding: var(--spacing-md) 0;
    }

    .logo {
        font-size: var(--font-size-xl);
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .modal {
        padding: var(--spacing-sm);
    }

    .modal-content {
        max-height: 95vh;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-lg);
    }

    .size-options {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }

    .notification {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        top: var(--spacing-sm);
        max-width: none;
        text-align: center;
        transform: translateY(-100%);
    }

    .notification.show {
        transform: translateY(0);
    }
}

/* Orientación landscape en móviles */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: var(--spacing-xl);
    }

    .modal-content {
        max-height: 85vh;
    }

    .hero-text {
        order: 0;
    }

    .hero-image {
        order: 1;
    }
}

/* Pantallas muy grandes */
@media (min-width: 1400px) {
    :root {
        --container-padding: 40px;
    }
    
    .container {
        max-width: 1400px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

/* =========================
   ACCESIBILIDAD
   ========================= */

/* Reduce motion para usuarios sensibles */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-image img:hover {
        transform: none;
    }
    
    .product-card:hover {
        transform: none;
    }
}

/* High contrast para accesibilidad */
@media (prefers-contrast: high) {
    .btn {
        border-width: 3px;
    }

    .product-card {
        border: 2px solid var(--color-dark-gray);
    }
    
    .size-btn {
        border-width: 2px;
        border-color: var(--color-dark-gray);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-light-gray: #1a1a1a;
        --color-white: #2d2d2d;
        --color-black: #ffffff;
        --color-gray: #a0a0a0;
        --color-dark-gray: #cccccc;
    }
    
    .modal {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .header {
        box-shadow: 0 1px 3px rgba(255, 255, 255, 0.1);
    }
}

/* =========================
   PRINT STYLES
   ========================= */

@media print {
    .header,
    .notification,
    .modal,
    .btn,
    .footer {
        display: none !important;
    }
    
    .hero {
        background: white !important;
        color: black !important;
    }
    
    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}





/* =========================
   ESTILOS PARA PANEL ADMIN MEJORADO
   Agregar al final de styles.css
   ========================= */

/* Pestañas del admin */
.admin-tabs {
    width: 100%;
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-light-gray);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-gray);
    transition: var(--transition-base);
    font-size: var(--font-size-base);
}

.tab-btn:hover {
    color: var(--color-primary);
    background: var(--color-light-gray);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: var(--color-light-gray);
}

.tab-content {
    min-height: 300px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mejoras al producto en stock tab */
.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid #eee;
}

.delete-product {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    min-height: auto;
}

.delete-product:hover {
    background: var(--color-danger);
    color: white;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

/* Formulario agregar producto */
.add-product-form {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid #eee;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.form-group input {
    padding: var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 16px; /* Evita zoom en iOS */
    transition: var(--transition-base);
    min-height: 44px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.form-group input:invalid {
    border-color: var(--color-danger);
}

.form-group small {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Selector de tallas */
.sizes-input {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.size-item {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm);
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    background: var(--color-light-gray);
}

.size-number {
    text-align: center;
    font-weight: 600;
}

.size-stock {
    text-align: center;
}

.remove-size {
    background: var(--color-danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: var(--transition-base);
}

.remove-size:hover {
    background: #c0392b;
    transform: scale(1.1);
}

/* Acciones del formulario */
.form-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-start;
    flex-wrap: wrap;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Contador de cambios en botón */
.has-changes {
    background: var(--color-warning) !important;
    border-color: var(--color-warning) !important;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(255, 193, 7, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }
}

/* Spinner para botones */
.spinner {
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive para admin panel */
@media (max-width: 768px) {
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: left;
        justify-content: flex-start;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .delete-product {
        align-self: flex-end;
    }
    
    .size-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .add-product-form {
        padding: var(--spacing-lg);
    }
    
    .size-item {
        grid-template-columns: 60px 1fr 36px;
        gap: var(--spacing-xs);
    }
    
    .remove-size {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

/* Estados de validación */
.form-group input:valid {
    border-color: var(--color-success);
}

.form-group input:valid + small {
    color: var(--color-success);
}

.form-group input:invalid + small {
    color: var(--color-danger);
}

/* =========================
   OVERRIDE LIMPIO PARA MÓVIL - FINAL
   ========================= */

@media (max-width: 768px) {
    /* Asegurar que los filtros estén visibles */
    .search-filters {
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        display: flex !important;
        order: 2;
        width: 100%;
        justify-content: center;
        gap: 8px;
        flex-wrap: nowrap;
        flex-direction: row;
        position: static !important;
        background: transparent !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    /* Asegurar que los elementos internos estén visibles */
    .search-box,
    .filter-box {
        display: flex !important;
        flex: 1 !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .search-input,
    .filter-select {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        width: 100% !important;
    }
}
/* footer*/
/* Estilos para iconos SVG elegantes */
.footer-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.footer-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.footer-link:hover .footer-icon {
    transform: scale(1.1);
}

/* Efectos especiales por plataforma */
.footer-link[aria-label*="WhatsApp"]:hover {
    background: rgba(37, 211, 102, 0.2);
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.footer-link[aria-label*="Instagram"]:hover {
    background: linear-gradient(45deg, rgba(225, 48, 108, 0.2), rgba(255, 220, 128, 0.2));
    border: 1px solid rgba(225, 48, 108, 0.3);
}

/* Responsive para móvil */
@media (max-width: 768px) {
    .footer-links {
        justify-content: center;
        gap: 12px;
    }
    
    .footer-link {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .footer-icon {
        width: 18px;
        height: 18px;
    }
}






.admin-tabs {
    width: 100%;
}

.tab-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn:hover {
    background: #f8f9fa;
}

.tab-btn.active {
    background: var(--color-primary);
    color: white;
}

.tab-content {
    width: 100%;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.form-grid {
    display: grid;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-weight: 500;
    color: #333;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.size-grid {
    display: grid;
    gap: 8px;
}

.size-item {
    display: grid;
    grid-template-columns: 1fr 1fr 40px;
    gap: 8px;
    align-items: center;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}