.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 10px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 10px 10px 0 0 !important;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.btn {
    border-radius: 8px;
    padding: 8px 16px;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-success {
    margin-right: 10px;
}

.table {
    margin-bottom: 1rem;
}

.table th {
    background-color: #f8f9fa;
}

.delete-row {
    padding: 4px 8px;
}

#chartCanvas {
    min-height: 400px;
    width: 100% !important;
    height: 100% !important;
}

@media (max-width: 768px) {
    .card {
        margin-bottom: 20px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .btn-success {
        margin-right: 0;
    }
}