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

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

.card-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid #eee;
    padding: 1rem;
}

.list-group-item:last-child {
    border-bottom: none;
}

.badge {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
}

.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.table th {
    background-color: #0d6efd;
    color: white;
    border: none;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.1);
}

.btn-action {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-title {
        font-size: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #0d6efd;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}