/* Reset y configuracion base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Variables CSS */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #f59e0b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --accent-color: #8b5cf6;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* 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);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordes redondeados */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Configuracion del body */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Contenedor principal */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.header-title {
    text-align: right;
}

.header-title h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.header-title p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Cards */
.card {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Status Card */
.status-card {
    position: sticky;
    top: var(--spacing-md);
    z-index: 50;
}

.status-actions {
    display: flex;
    gap: var(--spacing-sm);
}

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

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--error-color);
    transition: background-color 0.3s ease;
}

.status-indicator.connected {
    background-color: var(--success-color);
}

.status-indicator.connecting {
    background-color: var(--warning-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    background-color: #1e40af;
}

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

.btn-secondary:hover {
    background-color: #d97706;
}

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

/* Tabs */
.tabs-container {
    margin-top: var(--spacing-lg);
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-button {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-button:hover {
    color: var(--text-primary);
}

.tab-content {
    display: none;
}

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

/* Filter Section */
.filter-section {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--surface-color);
    color: var(--text-primary);
}

/* Device List */
.device-list-container {
    margin-bottom: var(--spacing-xl);
}

.devices-table {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.device-table-header {
    background-color: var(--primary-color);
    color: white;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    font-weight: 600;
}

.device-table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.device-table-row:hover {
    background-color: var(--background-color);
}

.device-table-row:last-child {
    border-bottom: none;
}

.device-table-row.selected {
    background-color: rgba(30, 58, 138, 0.1);
}

/* Device Form */
.device-form-container {
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.device-form-container h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

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

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

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.name-input-container {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.name-prefix {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    flex: 1;
    font-size: 0.875rem;
    outline: none;
}

.form-input:focus {
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.1);
}

/* MAC Input */
.mac-input-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.mac-input {
    width: 40px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.mac-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.1);
}

.mac-input-container span {
    color: var(--text-secondary);
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

.form-help {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-style: italic;
}

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

/* Group Management */
.group-management {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.group-lists {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.available-members h3,
.current-members h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.member-list {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
    background-color: var(--surface-color);
}

.member-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
    user-select: none;
}

.member-item:hover {
    background-color: var(--background-color);
}

.member-item:last-child {
    border-bottom: none;
}

.member-item.selected {
    background-color: rgba(30, 58, 138, 0.1);
    color: var(--primary-color);
}

.transfer-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-self: center;
}

.group-actions {
    text-align: center;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

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

.modal-content {
    background-color: var(--surface-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

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

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

/* Diagnostic Results */
.diagnostic-results {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

/* Notifications */
.notifications-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.notification {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--error-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

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

.notification-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.notification-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    margin-top: auto;
}

.footer p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .header-title {
        text-align: center;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .status-card {
        position: static;
    }
    
    .card-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .status-actions {
        justify-content: center;
    }
    
    .device-table-header,
    .device-table-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .device-table-header {
        display: none;
    }
    
    .device-table-row {
        padding: var(--spacing-sm);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: var(--spacing-sm);
    }
    
    .group-lists {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .transfer-controls {
        flex-direction: row;
        justify-content: center;
    }
    
    .mac-input-container {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .form-actions {
        justify-content: center;
    }
    
    .notifications-container {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }
    
    .notification {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .header-title h1 {
        font-size: 1.1rem;
    }
    
    .header-title p {
        font-size: 0.8rem;
    }
    
    .card {
        margin-bottom: var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .card-header h2 {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .mac-input {
        width: 35px;
        padding: var(--spacing-xs);
        font-size: 0.8rem;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Utilidades */
.hidden {
    display: none !important;
}

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

.text-success {
    color: var(--success-color);
}

.text-error {
    color: var(--error-color);
}

.text-warning {
    color: var(--warning-color);
}

/* Animaciones de transicion */
.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   ESTILOS ADICIONALES PARA AUTENTICACION
   AGREGAR AL FINAL DEL ARCHIVO styles.css EXISTENTE
   ======================================== */

/* Mejoras para notificaciones con informacion de usuario */
.notification-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.notification-user {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.25rem;
    opacity: 0.8;
}

.notification-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

.notification {
    position: relative;
    padding-right: 3rem; /* Espacio para el boton de cerrar */
}

/* Estilos para elementos de administrador */
.admin-badge {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.admin-only {
    display: none; /* Por defecto oculto, se muestra via JavaScript si es admin */
}

/* Estilos para informacion del usuario en el header */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
}

.user-info-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: white;
    margin: 0;
}

.user-email {
    font-size: 0.75rem;
    opacity: 0.8;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Estilos para estados de carga de autenticacion */
.auth-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.auth-loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.auth-loading-text {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.auth-loading-subtext {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Estilos mejorados para modales de informacion */
.user-info-modal .modal-body {
    padding: 1.5rem;
}

.user-profile-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.user-profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    object-fit: cover;
}

.user-profile-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.user-profile-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.user-permissions-section {
    background: var(--background-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.permission-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.permission-item:last-child {
    margin-bottom: 0;
}

.permission-label {
    font-weight: 500;
    color: var(--text-primary);
}

.permission-value {
    font-size: 0.9rem;
}

.status-active {
    color: var(--success-color);
    font-weight: 500;
}

.status-admin {
    color: var(--warning-color);
    font-weight: 500;
}

/* Animaciones para transiciones de autenticacion */
.fade-out {
    animation: fadeOut 0.3s ease;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

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

/* Estilos responsivos para elementos de usuario */
@media (max-width: 768px) {
    .user-info-container {
        display: none; /* Ocultar nombre en pantallas pequenas */
    }
    
    .logout-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .admin-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
    }
    
    .user-profile-section {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .user-profile-avatar {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .logout-btn {
        font-size: 0;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        padding: 0;
        justify-content: center;
    }
    
    .logout-btn::before {
        content: '🚪';
        font-size: 0.9rem;
    }
    
    .notification {
        margin: 0.5rem;
        border-radius: var(--radius-md);
    }
    
    .notification-close {
        top: 0.25rem;
        right: 0.25rem;
        width: 20px;
        height: 20px;
        font-size: 1rem;
    }
}

/* Estilos para indicadores de sesion */
.session-indicator {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.session-indicator.show {
    opacity: 1;
}

.session-indicator.warning {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
}

.session-indicator.error {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

/* Estilos para tooltips de usuario */
.user-tooltip {
    position: relative;
}

.user-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1001;
    margin-bottom: 0.25rem;
}

.user-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
}

/* Utilities adicionales */
.text-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
}

.user-status::before {
    content: '●';
    color: var(--success-color);
    font-size: 0.6rem;
}

.user-status.offline::before {
    color: var(--error-color);
}

.user-status.away::before {
    color: var(--warning-color);
}
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
}