body { 
    background-color: #f1f4f9; 
    font-family: system-ui, -apple-system, sans-serif; 
    font-size: 0.92rem; 
}
.card-custom { 
    border: none; 
    border-radius: 12px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.04); 
}
.nav-pills .nav-link { 
    font-weight: 500; 
    color: #495057; 
    border-radius: 8px; 
    margin-right: 5px; 
}
.nav-pills .nav-link.active { 
    background-color: #0d6efd; 
    color: #fff; 
}
.badge-online { background-color: #198754; }
.badge-offline { background-color: #dc3545; }
.kpi-card { 
    border-radius: 12px; 
    border: none; 
    transition: transform 0.2s ease; 
}
.kpi-card:hover { 
    transform: translateY(-2px); 
}
.badge-sede { 
    background-color: #eef2ff; 
    color: #4338ca; 
    border: 1px solid #c7d2fe; 
    font-size: 0.75rem; 
}