/**
 * Estilos para Red Networking CEJMZT
 * Directorio de Empresarios Jóvenes de Mazatlán
 * Colores oficiales de CEJMZT
 */

/* =====================================================
   Variables CSS - Colores CEJMZT (Rojo, Negro, Blanco)
   ===================================================== */
:root {
    /* Colores principales - Rojo, Negro, Blanco, Azul */
    --color-primary: #DB4056;
    --color-secondary: #1a1a1a;
    --color-blue: #003D99;
    --color-text: #222222;
    --color-white: #FFFFFF;
    --color-background: #F5F5F5;
    --color-gray-light: #F5F5F5;
    --color-gray: #888888;
    
    /* Variaciones */
    --color-primary-dark: #c23448;
    --color-primary-light: #e65d70;
    --color-secondary-light: #333333;
    
    /* Estados */
    --color-error: #DB4056;
    --color-success: #28a745;
    
    /* Tipografía - Poppins */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-h1: 48px;
    --font-size-h2: 22px;
    --font-size-text: 16px;
    --font-weight-bold: 600;
    --font-weight-medium: 500;
    --font-weight-regular: 400;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(34, 34, 34, 0.08);
    --shadow-md: 0 4px 12px rgba(34, 34, 34, 0.1);
    --shadow-lg: 0 8px 24px rgba(34, 34, 34, 0.12);
    --shadow-xl: 0 16px 32px rgba(34, 34, 34, 0.15);
    --shadow-primary: 0 4px 14px rgba(219, 64, 86, 0.25);
    --shadow-accent: 0 4px 14px rgba(97, 206, 112, 0.25);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Contenedor */
    --container-max: 1280px;
    --container-padding: 1rem;
}

/* =====================================================
   Reset y Base
   ===================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-text);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: var(--font-size-text);
}

/* =====================================================
   Header - Estilo CEJMZT
   ===================================================== */
.header {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--container-padding);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-gray-light);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-container {
    display: flex;
    justify-content: center;
}

.logo-cejmzt {
    height: 80px;
    width: auto;
}

.site-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    line-height: 1.1;
}

.site-title .title-main {
    color: var(--color-secondary);
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.site-title .title-accent {
    color: var(--color-primary);
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.08em;
}

/* =====================================================
   Sección Cortesía
   ===================================================== */
.courtesy-section {
    background: var(--color-blue);
    padding: var(--spacing-md) var(--container-padding);
    text-align: center;
}

.courtesy {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 14px;
    color: var(--color-white);
    font-weight: var(--font-weight-medium);
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.courtesy:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo-estudio {
    height: 26px;
    width: auto;
    transition: all var(--transition-fast);
    filter: brightness(0) invert(1);
}

/* =====================================================
   Barra de Filtros (dentro del contenido)
   ===================================================== */
.filter-bar {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-light);
}

.filter-bar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    font-size: 14px;
}

.filter-label svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.filter-select {
    padding: 10px 40px 10px 16px;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    background: var(--color-white);
    min-width: 200px;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.filter-select:hover {
    border-color: var(--color-primary);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(219, 64, 86, 0.1);
}

.members-count {
    font-size: 13px;
    color: var(--color-gray);
    font-weight: var(--font-weight-regular);
}

.btn-register {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    font-size: 14px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-primary);
}

.btn-register:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-register svg {
    width: 18px;
    height: 18px;
}

/* =====================================================
   Contenido Principal
   ===================================================== */
.main-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--container-padding);
}

/* =====================================================
   Grid de Miembros
   ===================================================== */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

/* =====================================================
   Tarjeta de Miembro
   ===================================================== */
.member-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    border: 1px solid #e0e0e0;
}

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

/* Fila de imágenes lado a lado */
.card-images-row {
    display: flex;
    gap: 0;
    background: var(--color-white);
}

.image-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    min-height: 150px;
    background: var(--color-white);
}

.image-box.photo-box {
    border-right: 3px solid var(--color-primary);
}

.image-box.logo-box {
    background: var(--color-white);
}

/* Input hint */
.input-hint {
    display: block;
    font-size: 11px;
    color: var(--color-gray);
    margin-top: 4px;
}

.member-photo {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--color-primary);
    background: var(--color-gray-light);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.member-photo:hover {
    transform: scale(1.08);
}

.company-logo {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--color-primary);
    background: var(--color-white);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.company-logo:hover {
    transform: scale(1.08);
}

.image-label {
    font-size: 12px;
    letter-spacing: 0.02em;
    margin-top: var(--spacing-sm);
    color: var(--color-secondary);
    font-weight: var(--font-weight-medium);
    text-align: center;
    max-width: 100%;
    padding: 0 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    hyphens: auto;
}

/* Info del miembro */
.card-info {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    border-bottom: 3px solid var(--color-primary);
    position: relative;
}

/* Rubro Badge - Arriba de la tarjeta */
.card-rubro {
    background: var(--color-primary);
    padding: 8px var(--spacing-md);
    text-align: center;
}

.card-rubro .rubro-badge {
    background: transparent;
    color: var(--color-white);
    padding: 0;
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.card-rubro .rubro-badge svg {
    width: 14px;
    height: 14px;
}

.member-name {
    color: var(--color-secondary);
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 2px;
}

.company-name {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}

.card-body {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.business-description {
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    opacity: 0.8;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.business-description.expandable::after {
    content: 'Ver más...';
    display: block;
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    font-size: 13px;
    margin-top: 4px;
}

.business-description:hover {
    opacity: 1;
}

/* Modal de Descripción */
.description-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--spacing-md);
}

.description-modal.active {
    opacity: 1;
    visibility: visible;
}

.description-modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.description-modal.active .description-modal-content {
    transform: scale(1) translateY(0);
}

.description-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-light);
    border-radius: var(--radius-full);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.description-modal-close:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.description-modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
}

.description-modal-header h3 {
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    margin: 0;
}

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

.description-modal-body p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text);
    white-space: pre-wrap;
    margin: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    font-size: 13px;
}

.contact-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--color-secondary);
    word-break: break-all;
}

.contact-item a:hover {
    color: var(--color-primary);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-gray-light);
    border-top: 1px solid #e0e0e0;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    color: var(--color-secondary);
    transition: all var(--transition-fast);
    border: 1px solid #ddd;
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

.social-link.whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
}

/* =====================================================
   Lightbox para ver imágenes grandes
   ===================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(34, 34, 34, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--spacing-lg);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.lightbox.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
}

/* =====================================================
   Image Cropper Modal
   ===================================================== */
.cropper-modal {
    position: fixed;
    inset: 0;
    background: rgba(34, 34, 34, 0.95);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--spacing-lg);
}

.cropper-modal.active {
    opacity: 1;
    visibility: visible;
}

.cropper-container {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.cropper-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cropper-header h3 {
    color: var(--color-white);
    font-size: 16px;
    font-weight: var(--font-weight-medium);
}

.cropper-close {
    color: rgba(255, 255, 255, 0.7);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.cropper-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.cropper-body {
    position: relative;
    height: 400px;
    background: var(--color-text);
}

.cropper-preview-container {
    padding: var(--spacing-md);
    background: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.cropper-preview-label {
    color: var(--color-text);
    font-size: 12px;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    opacity: 0.7;
}

.cropper-preview-circle {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 3px solid var(--color-primary);
    background: var(--color-white);
}

.cropper-preview-square {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--color-secondary);
    background: var(--color-white);
}

.cropper-actions {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    border-top: 1px solid var(--color-gray-light);
}

.cropper-btn {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.cropper-btn-cancel {
    background: var(--color-gray-light);
    color: var(--color-text);
}

.cropper-btn-cancel:hover {
    background: #e8e8e8;
}

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

.cropper-btn-save:hover {
    background: var(--color-primary-dark);
}

/* =====================================================
   Loader y Estados
   ===================================================== */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    color: var(--color-text);
    opacity: 0.6;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.no-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    color: var(--color-text);
    font-size: 14px;
    opacity: 0.5;
}

.no-more svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text);
    opacity: 0.5;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

/* =====================================================
   Modal
   ===================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(34, 34, 34, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 700px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px) scale(0.95);
    transition: transform var(--transition-normal);
    margin: var(--spacing-lg) 0;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--color-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-header h2 {
    font-size: 18px;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
}

.btn-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.btn-close svg {
    width: 20px;
    height: 20px;
}

/* =====================================================
   Formulario
   ===================================================== */
.register-form {
    padding: var(--spacing-lg);
}

.form-section {
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-section legend {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    padding: 0 var(--spacing-sm);
    font-size: 14px;
}

.form-section legend svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.form-group label svg {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.field-hint {
    display: block;
    font-size: 11px;
    color: #888;
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* File Upload con Preview */
.file-upload-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.file-upload {
    position: relative;
    border: 2px dashed var(--color-gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
    width: 100%;
}

.file-upload:hover {
    border-color: var(--color-primary);
    background: rgba(219, 64, 86, 0.02);
}

.file-upload.has-image {
    border-style: solid;
    border-color: var(--color-primary);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: #999;
}

.file-upload-content svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.file-upload-content span {
    font-size: 13px;
}

.preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.preview-circle {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 4px solid var(--color-primary);
    background: var(--color-gray-light);
    display: none;
    box-shadow: var(--shadow-primary);
}

.preview-circle.active {
    display: block;
}

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

.preview-square {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 3px solid var(--color-secondary);
    background: var(--color-gray-light);
    display: none;
}

.preview-square.active {
    display: block;
}

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

.preview-label {
    font-size: 11px;
    color: #999;
}

.btn-edit-image {
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 12px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-xs);
}

.btn-edit-image.active {
    display: inline-flex;
}

.btn-edit-image:hover {
    background: var(--color-secondary-dark);
}

.btn-edit-image svg {
    width: 14px;
    height: 14px;
}

/* Botones */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

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

.btn-primary:disabled {
    background: #ccc;
    box-shadow: none;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--color-gray-light);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: #e8e8e8;
}

/* =====================================================
   Toast Notifications
   ===================================================== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 4000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 14px 20px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-secondary);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

.toast.success {
    border-left-color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-primary);
}

.toast svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast.success svg {
    color: var(--color-success);
}

.toast.error svg {
    color: var(--color-primary);
}

.toast-message {
    flex: 1;
    font-size: 14px;
    color: var(--color-text);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* =====================================================
   Responsive Design - Mobile First
   ===================================================== */

/* ===== MÓVIL (base - hasta 575px) ===== */
.header-container {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

.logo-cejmzt {
    height: 50px;
}

.site-title {
    order: 2;
}

.site-title .title-main {
    font-size: 20px;
    letter-spacing: 0.1em;
}

.site-title .title-accent {
    font-size: 13px;
}

.btn-register {
    order: 3;
    padding: 10px 16px;
    font-size: 13px;
}

/* Cortesía móvil */
.courtesy-section {
    padding: var(--spacing-sm) var(--container-padding);
}

.courtesy {
    padding: 10px 20px;
    font-size: 13px;
    gap: var(--spacing-md);
}

.logo-estudio {
    height: 32px;
}

/* Filter bar móvil */
.filter-bar {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
}

.filter-bar-container {
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group {
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-select {
    min-width: 100%;
    width: 100%;
}

.members-count {
    text-align: center;
}
    padding: 6px 12px;
    width: 100%;
    justify-content: center;
}

.logo-estudio {
    height: 22px;
}

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

.card-images-row {
    flex-direction: column;
}

.image-box {
    min-height: 120px;
    padding: var(--spacing-md);
}

.image-box.photo-box {
    border-right: none;
    border-bottom: 3px solid var(--color-primary);
}

.member-photo,
.company-logo {
    width: 80px;
    height: 80px;
}

.member-name {
    font-size: 16px;
}

.company-name {
    font-size: 13px;
}

.card-body {
    padding: var(--spacing-md);
}

.business-description {
    font-size: 13px;
}

.contact-item {
    font-size: 12px;
}

.modal {
    margin: var(--spacing-xs);
    max-height: calc(100vh - 0.5rem);
    border-radius: var(--radius-md);
}

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

.modal-header h2 {
    font-size: 16px;
}

.register-form {
    padding: var(--spacing-md);
}

.form-section {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.form-actions {
    flex-direction: column;
}

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

.toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
}

.toast {
    max-width: none;
    padding: 12px 16px;
}

.cropper-body {
    height: 250px;
}

.cropper-container {
    max-width: 95vw;
}

.lightbox-content {
    max-width: 95vw;
}

/* ===== MÓVIL GRANDE (576px - 767px) ===== */
@media (min-width: 576px) {
    .header-container {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .logo-cejmzt {
        height: 55px;
    }
    
    .site-title {
        flex: 1;
        text-align: center;
    }
    
    .site-title .title-main {
        font-size: 24px;
    }
    
    .site-title .title-accent {
        font-size: 15px;
    }
    
    .btn-register {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .courtesy {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .logo-estudio {
        height: 36px;
    }
    
    .filter-bar-container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .filter-group {
        width: auto;
        flex-direction: row;
    }
    
    .filter-select {
        min-width: 200px;
        width: auto;
    }
    
    .members-count {
        text-align: right;
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-images-row {
        flex-direction: row;
    }
    
    .image-box.photo-box {
        border-right: 3px solid var(--color-primary);
        border-bottom: none;
    }
    
    .modal {
        margin: var(--spacing-md);
    }
}

/* ===== TABLET (768px - 991px) ===== */
@media (min-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .header {
        padding: var(--spacing-md) var(--container-padding);
    }
    
    .header-container {
        justify-content: space-between;
    }
    
    .logo-cejmzt {
        height: 60px;
    }
    
    .site-title {
        font-size: 20px;
        text-align: left;
    }
    
    .courtesy {
        padding: 12px 28px;
        font-size: 15px;
    }
    
    .logo-estudio {
        height: 38px;
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .member-photo,
    .company-logo {
        width: 90px;
        height: 90px;
    }
    
    .image-box {
        min-height: 140px;
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-actions {
        flex-direction: row;
        justify-content: flex-end;
    }
    
    .btn {
        width: auto;
    }
    
    .modal {
        max-width: 650px;
        margin: var(--spacing-lg) auto;
    }
    
    .cropper-body {
        height: 350px;
    }
}

/* ===== LAPTOP (992px - 1199px) ===== */
@media (min-width: 992px) {
    :root {
        --container-padding: 2rem;
    }
    
    .logo-cejmzt {
        height: 65px;
    }
    
    .site-title {
        font-size: 22px;
    }
    
    .members-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    .member-photo,
    .company-logo {
        width: 100px;
        height: 100px;
    }
    
    .image-box {
        min-height: 150px;
        padding: var(--spacing-lg);
    }
    
    .member-name {
        font-size: 18px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .modal {
        max-width: 700px;
    }
    
    .cropper-body {
        height: 400px;
    }
}

/* ===== DESKTOP (1200px+) ===== */
@media (min-width: 1200px) {
    .logo-cejmzt {
        height: 70px;
    }
    
    .site-title {
        font-size: 24px;
    }
    
    .logo-estudio {
        height: 26px;
    }
    
    .members-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .member-photo,
    .company-logo {
        width: 110px;
        height: 110px;
    }
    
    .image-box {
        min-height: 160px;
    }
}

/* ===== DESKTOP GRANDE (1400px+) ===== */
@media (min-width: 1400px) {
    :root {
        --container-max: 1400px;
    }
    
    .members-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* =====================================================
   Animaciones de entrada para tarjetas
   ===================================================== */
.member-card {
    animation: fadeInUp 0.4s ease both;
}

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

.member-card:nth-child(1) { animation-delay: 0.05s; }
.member-card:nth-child(2) { animation-delay: 0.1s; }
.member-card:nth-child(3) { animation-delay: 0.15s; }
.member-card:nth-child(4) { animation-delay: 0.2s; }
.member-card:nth-child(5) { animation-delay: 0.25s; }
.member-card:nth-child(6) { animation-delay: 0.3s; }
.member-card:nth-child(7) { animation-delay: 0.35s; }
.member-card:nth-child(8) { animation-delay: 0.4s; }
.member-card:nth-child(9) { animation-delay: 0.45s; }

/* =====================================================
   Utilidades
   ===================================================== */
.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;
}

.skeleton {
    background: linear-gradient(90deg, var(--color-gray-light) 25%, #fff 50%, var(--color-gray-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Cropper.js overrides */
.cropper-view-box,
.cropper-face {
    border-radius: 50%;
}

.cropper-view-box {
    outline: 3px solid var(--color-primary);
    outline-offset: -1px;
}

.cropper-line {
    background-color: var(--color-primary);
}

.cropper-point {
    background-color: var(--color-primary);
}