.stat-card {
    border-left: 4px solid;
    transition: all 0.2s;
    background: white;
    border: 2px solid #e0e0e0;
}
.stat-card:hover {
    border-color: #333;
    transform: translateX(2px);
}
.silver-card {
    border-left-color: #C0C0C0;
}
.gold-card {
    border-left-color: #FFD700;
}
.entry-row {
    transition: background-color 0.2s;
}
.entry-row:hover {
    background-color: #f8f9fa;
}
.badge-silver {
    background-color: #C0C0C0;
    color: #000;
}
.badge-gold {
    background-color: #FFD700;
    color: #000;
}
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    .stat-card h2 {
        font-size: 1.5rem;
    }
    .table-responsive {
        font-size: 0.85rem;
    }
}
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}