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

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 20px;
}

.card-header {
    font-weight: 600;
}

.alert {
    margin-bottom: 20px;
}

/* Timer styles */
#time-remaining {
    font-weight: bold;
    color: #dc3545;
}

/* Question styles */
.question {
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
    margin-bottom: 15px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .table-responsive {
        overflow-x: auto;
    }

    .card-body {
        padding: 15px;
    }
}