/**
 * EVE SYSTEM - Sistema Moderno de Gestión de Celulares
 * Paleta de colores: Blanco dominante, Azul Celeste (#4FC3F7) y Naranja (#FF9800)
 * Diseño: Minimalista, limpio y moderno
 */

/* ========================================
   VARIABLES CSS
======================================== */
:root {
    /* Colores principales */
    --color-primary: #4FC3F7;        /* Azul celeste */
    --color-primary-dark: #0288D1;   /* Azul celeste oscuro */
    --color-primary-light: #B3E5FC;  /* Azul celeste claro */
    --color-secondary: #FF9800;      /* Naranja */
    --color-secondary-dark: #F57C00; /* Naranja oscuro */
    --color-secondary-light: #FFE0B2;/* Naranja claro */
    
    /* Colores base */
    --color-white: #FFFFFF;
    --color-light-gray: #F5F7FA;
    --color-gray: #E0E4E8;
    --color-dark-gray: #6B7280;
    --color-black: #1F2937;
    
    /* Colores de estado */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ========================================
   RESET Y BASE
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #F5F7FA 0%, #E0E4E8 100%);
    color: var(--color-black);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========================================
   HEADER / NAVEGACIÓN
======================================== */
.eve-header {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.eve-navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.eve-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.eve-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: bold;
}

.eve-logo-text h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.eve-logo-text p {
    font-size: 0.75rem;
    color: var(--color-dark-gray);
    margin: 0;
}

.eve-nav-menu {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    list-style: none;
}

.eve-nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-dark-gray);
    font-weight: 500;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.eve-nav-link:hover {
    background: var(--color-light-gray);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.eve-nav-link.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.eve-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-light-gray);
    border-radius: var(--radius-full);
}

.eve-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: bold;
}

.eve-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
}

/* ========================================
   CONTENEDOR PRINCIPAL
======================================== */
.eve-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.eve-container-fluid {
    width: 100%;
    padding: var(--spacing-xl);
}

/* ========================================
   CONTENEDOR PRINCIPAL
======================================== */
.eve-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

/* ========================================
   CARDS
======================================== */
.eve-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.eve-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.eve-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-light-gray);
}

.eve-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    margin: 0;
}

.eve-card-body {
    margin-bottom: var(--spacing-md);
}

.eve-card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Cards Grid */
.eve-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* Card de Producto */
.eve-product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.eve-product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.eve-product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-light-gray);
}

.eve-product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-white);
}

.eve-product-badge.stock {
    background: var(--color-success);
}

.eve-product-badge.vendido {
    background: var(--color-danger);
}

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

.eve-product-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.eve-product-specs {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.eve-product-spec {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-dark-gray);
}

.eve-product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-sm) 0;
}

.eve-product-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ========================================
   BOTONES
======================================== */
.eve-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    outline: none;
}

.eve-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.eve-btn:active {
    transform: translateY(0);
}

.eve-btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.eve-btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.eve-btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
}

.eve-btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
}

.eve-btn-success {
    background: var(--color-success);
    color: var(--color-white);
}

.eve-btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
}

.eve-btn-outline-primary {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

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

.eve-btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
}

.eve-btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.eve-btn-block {
    width: 100%;
}

.eve-btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ========================================
   FORMULARIOS
======================================== */
.eve-form-group {
    margin-bottom: var(--spacing-lg);
}

.eve-form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-black);
    font-size: 0.875rem;
}

.eve-form-label.required::after {
    content: '*';
    color: var(--color-danger);
    margin-left: var(--spacing-xs);
}

.eve-form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    background: var(--color-white);
}

.eve-form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

.eve-form-input::placeholder {
    color: var(--color-dark-gray);
}

.eve-form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray);
    border-radius: var(--spacing-md);
    font-size: 0.875rem;
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.eve-form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.eve-form-textarea {
    min-height: 100px;
    resize: vertical;
}

.eve-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.eve-form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--color-dark-gray);
    font-style: italic;
}

.eve-form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-light-gray);
    flex-wrap: wrap;
}

/* ========================================
   TABLAS
======================================== */
.eve-table-container {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
}

.eve-table {
    width: 100%;
    border-collapse: collapse;
}

.eve-table thead {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.eve-table thead th {
    padding: var(--spacing-md);
    text-align: left;
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.eve-table tbody tr {
    border-bottom: 1px solid var(--color-gray);
    transition: background var(--transition-fast);
}

.eve-table tbody tr:hover {
    background: var(--color-light-gray);
}

.eve-table tbody td {
    padding: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-black);
}

.eve-table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ========================================
   BADGES Y ETIQUETAS
======================================== */
.eve-badge {
    display: inline-flex;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    align-items: center;
    gap: var(--spacing-xs);
}

.eve-badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.eve-badge-secondary {
    background: var(--color-secondary-light);
    color: var(--color-secondary-dark);
}

.eve-badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.eve-badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.eve-badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

/* ========================================
   ALERTAS
======================================== */
.eve-alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.eve-alert i {
    font-size: 1.5rem;
    margin-top: 0.125rem;
}

.eve-alert strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.eve-alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--color-success);
}

.eve-alert-danger {
    background: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--color-danger);
}

.eve-alert-warning {
    background: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--color-warning);
}

.eve-alert-info {
    background: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--color-info);
}

/* ========================================
   MODAL / DIÁLOGOS
======================================== */
.eve-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-md);
}

.eve-modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.eve-modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.eve-modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    margin: 0;
}

.eve-modal-body {
    padding: var(--spacing-xl);
}

.eve-modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--color-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ========================================
   PÁGINA DE LOGIN
======================================== */
.eve-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-md);
}

.eve-login-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 450px;
    width: 100%;
    overflow: hidden;
}

.eve-login-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-white);
}

.eve-login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-primary);
}

.eve-login-title {
    font-size: 1.75rem;
    margin: 0;
}

.eve-login-subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.eve-login-body {
    padding: var(--spacing-2xl);
}

/* ========================================
   DASHBOARD / INDEX
======================================== */
.eve-dashboard-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.eve-dashboard-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.eve-dashboard-header p {
    color: var(--color-dark-gray);
    font-size: 1.1rem;
}

/* PAGE HEADER */
.eve-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.eve-page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 0 0 var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.eve-page-header p {
    color: var(--color-dark-gray);
    margin: 0;
    font-size: 0.95rem;
}

.eve-page-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.eve-dashboard-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.eve-dashboard-subtitle {
    color: var(--color-dark-gray);
    font-size: 1rem;
}

.eve-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.eve-stat-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.eve-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.eve-stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-white);
}

.eve-stat-icon.primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.eve-stat-icon.secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
}

.eve-stat-icon.success {
    background: var(--color-success);
}

.eve-stat-info h3 {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    margin: 0;
    font-weight: 500;
}

.eve-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin: var(--spacing-xs) 0;
}

.eve-stat-change {
    font-size: 0.75rem;
    color: var(--color-success);
}

/* ========================================
   MENÚ DE ACCIONES
======================================== */
.eve-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.eve-action-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: var(--color-black);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

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

.eve-action-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition-normal);
    color: var(--color-white);
}

.eve-action-card:hover .eve-action-icon {
    transform: scale(1.1);
}

.eve-action-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-black);
}

.eve-action-desc {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    margin: 0;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    .eve-navbar {
        flex-direction: column;
    }
    
    .eve-nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .eve-container {
        padding: var(--spacing-md);
    }
    
    .eve-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .eve-form-row {
        grid-template-columns: 1fr;
    }
    
    .eve-stat-card {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   UTILIDADES
======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* ========================================
   ANIMACIONES
======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

.slide-in-up {
    animation: slideInUp 0.3s ease-out;
}

/* ========================================
   DARK MODE (Opcional)
======================================== */
@media (prefers-color-scheme: dark) {
    /* Se puede implementar dark mode aquí */
}