.underline-animation {
    position: relative;
    display: inline-block;
}
.underline-animation::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}
.underline-animation:hover::after {
    width: 100%;
}

/* Dark mode styles */
.dark .dark-bg {
    background-color: #1a202c;
}
.dark .dark-text {
    color: #f7fafc;
}
.dark .dark-border {
    border-color: #4a5568;
}
.dark .dark-card {
    background-color: #2d3748;
    border-color: #4a5568;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
    .dark-card {
        background: white !important;
        color: black !important;
        border-color: #e2e8f0 !important;
    }
}