body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 1px solid rgba(0,0,0,.125);
    background-color: #fff;
}

.progress {
    height: 20px;
    margin-bottom: 0;
}

.table th {
    border-top: none;
    font-weight: 600;
}

.alert {
    border-radius: 0.5rem;
}

.btn {
    border-radius: 0.25rem;
}

.form-control, .form-select {
    border-radius: 0.25rem;
}

canvas {
    max-width: 100%;
}