/* Progress bar animation */
.progress-bar-animated {
    transition: width 0.3s ease;
}

/* Upload button loading state */
.btn-loading .spinner-border {
    margin-right: 0.5rem;
}

/* Alert animations */
.alert {
    transition: all 0.3s ease;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar-nav {
        margin-top: 1rem;
    }
    .card-body {
        padding: 1rem;
    }
}