body {
    background-color: #f8f9fa;
}

.card {
    border-radius: 10px;
    border: none;
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
}

.table th {
    border-top: none;
}

.badge {
    padding: 5px 10px;
    font-weight: 500;
}

.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
}

.navbar-brand {
    font-weight: 600;
}

code {
    background-color: #f1f1f1;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

.alert {
    border-radius: 8px;
}

.card .display-3 {
    font-size: 3.5rem;
}

.input-group-text {
    min-width: 42px;
    justify-content: center;
}

.dropdown-item-text {
    font-size: 0.85rem;
}

/* Mobile responsive */
@media (max-width: 575.98px) {
    .card-body {
        padding: 1rem;
    }
    
    .card-body.p-5 {
        padding: 1.5rem !important;
    }
    
    .display-3 {
        font-size: 2.5rem !important;
    }
    
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    h4 {
        font-size: 1.2rem;
    }
    
    h5 {
        font-size: 1rem;
    }
    
    .card-body h3 {
        font-size: 1.5rem;
    }
    
    .card-body h5 {
        font-size: 0.95rem;
    }
    
    .display-5 {
        font-size: 2rem !important;
    }
    
    .navbar .btn {
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
    }
}

@media (max-width: 767.98px) {
    .card-body .display-3 {
        font-size: 2.5rem;
    }
}