/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --info-color: #0284c7;
    
    --bg-color: #f8fafc;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--gray-700);
    line-height: 1.6;
}

/* ===== NAVEGACIÓN ===== */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    height: 64px;
}

.nav-brand a {
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    text-align: right;
}

.user-name {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
}

.user-role {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: capitalize;
}

/* ===== CONTENIDO PRINCIPAL ===== */
.main-content {
    min-height: calc(100vh - 140px);
    padding: 2rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== DASHBOARD ===== */
.dashboard h1 {
    color: var(--gray-900);
    margin-bottom: 2rem;
    text-align: center;
}

.welcome-box {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.welcome-box h2 {
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.welcome-box p {
    color: var(--gray-600);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.menu-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.menu-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.menu-item h3 {
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ===== ESTADÍSTICAS ===== */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-box {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.stat-box h4 {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

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

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

.btn-secondary {
    background-color: var(--gray-600);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--gray-700);
}

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

.btn-info:hover {
    background-color: #0369a1;
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

/* ===== ALERTAS ===== */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-error {
    background-color: #fef2f2;
    border-color: var(--error-color);
    color: #991b1b;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: var(--success-color);
    color: #166534;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: var(--warning-color);
    color: #92400e;
}

.alert-info {
    background-color: #eff6ff;
    border-color: var(--info-color);
    color: #1e40af;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
    color: var(--gray-600);
}

.footer-content p {
    margin-bottom: 0.5rem;
}

/* ===== PERFIL DE USUARIO ===== */
.profile-avatar {
    text-align: center;
    margin-bottom: 15px;
}

.profile-avatar i {
    color: var(--primary-color);
    opacity: 0.8;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 20px;
    font-size: 1.5rem;
}

.stat-info h5 {
    margin: 0;
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.5rem;
}

.stat-info small {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
}

.security-info .badge {
    display: inline-block;
    margin-bottom: 8px;
    margin-right: 8px;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
}

.security-tips ul {
    padding-left: 20px;
    margin: 0;
}

.security-tips li {
    margin-bottom: 8px;
    color: var(--gray-600);
}

.list-group-item {
    border: none;
    border-radius: 0;
    padding: 15px 20px;
    color: var(--gray-700);
    transition: var(--transition);
}

.list-group-item:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.list-group-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.list-group-item i {
    margin-right: 10px;
    width: 16px;
    text-align: center;
}

.card-header h4 {
    margin: 0;
    color: var(--gray-800);
    font-weight: 600;
}

.card-header small {
    color: var(--gray-500);
    display: block;
    margin-top: 5px;
}

/* Estilos para formularios en perfil */
.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-label i {
    margin-right: 8px;
    color: var(--primary-color);
    width: 16px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

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

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

.btn-warning {
    transition: var(--transition);
}

.btn-warning:hover {
    transform: translateY(-1px);
}

/* Tabla de actividades */
.table-sm td {
    padding: 12px 8px;
    vertical-align: middle;
}

.table thead th {
    background-color: var(--gray-50);
    color: var(--gray-700);
    font-weight: 600;
    border-bottom: 2px solid var(--gray-200);
}

/* Badges personalizados */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

.badge i {
    margin-right: 4px;
}

/* Alertas mejoradas */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.alert i {
    margin-right: 8px;
}

/* RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        margin: 1rem 0;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .dropdown-content {
        position: static;
        display: block;
        box-shadow: none;
        border: none;
        background: var(--gray-50);
        margin-top: 0.5rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    
    .stat-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .container-fluid {
        padding: 15px;
    }
}

/* Mejoras para sidebar en móvil */
@media (max-width: 992px) {
    .col-md-3 {
        margin-bottom: 20px;
    }
    
    .list-group-item {
        padding: 12px 15px;
    }
}

/* Animaciones suaves */
.card {
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Estados de conexión */
.status-online {
    color: var(--success-color);
}

.status-offline {
    color: var(--gray-400);
}

.status-busy {
    color: var(--warning-color);
}

.status-away {
    color: var(--info-color);
}

/* Iconos de estado de seguridad */
.security-status-good {
    color: var(--success-color);
}

.security-status-warning {
    color: var(--warning-color);
}

.security-status-danger {
    color: var(--error-color);
}

/* ===== PAGE HEADER GLOBAL ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    color: var(--gray-900);
    font-weight: 700;
    font-size: 1.75rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.user-role-info {
    display: flex;
    align-items: center;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Badge variants - Colores mejorados para mejor contraste */
.badge.badge-success,
.badge-success {
    background-color: #28a745 !important;
    color: #ffffff !important;
    border: 1px solid #1e7e34 !important;
    font-weight: 600 !important;
}

.badge.badge-warning,
.badge-warning {
    background-color: #ffc107 !important;
    color: #212529 !important;
    border: 1px solid #e0a800 !important;
    font-weight: 600 !important;
}

.badge.badge-info,
.badge-info {
    background-color: #17a2b8 !important;
    color: #ffffff !important;
    border: 1px solid #138496 !important;
    font-weight: 600 !important;
}

.badge.badge-danger,
.badge-danger {
    background-color: #dc3545 !important;
    color: #ffffff !important;
    border: 1px solid #c82333 !important;
    font-weight: 600 !important;
}

.badge.badge-primary,
.badge-primary {
    background-color: #007bff !important;
    color: #ffffff !important;
    border: 1px solid #0056b3 !important;
    font-weight: 600 !important;
}

.badge.badge-secondary,
.badge-secondary {
    background-color: #6c757d !important;
    color: #ffffff !important;
    border: 1px solid #545b62 !important;
    font-weight: 600 !important;
}

/* Estilos específicos para badges en tablas */
.data-table .badge,
table .badge,
.table .badge {
    font-size: 0.75rem !important;
    padding: 0.375rem 0.75rem !important;
    border-radius: 0.375rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    font-weight: 700 !important;
    display: inline-block !important;
    white-space: nowrap !important;
}

/* Badges adicionales para roles específicos */
.badge-light {
    background-color: #f8f9fa !important;
    color: #495057 !important;
    border: 2px solid #6c757d;
    font-weight: 700;
}

.badge-dark {
    background-color: #343a40 !important;
    color: #ffffff !important;
    border: 1px solid #23272b;
    font-weight: 600;
}

/* Responsive para page header */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-actions {
        width: 100%;
        justify-content: space-between;
    }
}