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

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card {
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    border-radius: 8px 8px 0 0 !important;
}

.list-group-item {
    border-left: 4px solid transparent;
    transition: all 0.3s ease;
}

.list-group-item:hover {
    border-left-color: #0d6efd;
    background-color: #f8f9fa;
    transform: translateX(5px);
}

.message-content {
    line-height: 1.6;
}

.message-content blockquote {
    border-left: 4px solid #0d6efd;
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: #6c757d;
}

.message-content pre {
    background-color: #f4f4f4;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
}

.message-content code {
    color: #d63384;
    background-color: #f8f9fa;
    padding: 2px 6px;
    border-radius: 3px;
}

.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

.rounded-circle {
    object-fit: cover;
}

footer {
    margin-top: auto;
}

.pagination {
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.card, .list-group-item {
    animation: fadeIn 0.3s ease-in;
}

.btn {
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.alert {
    border-radius: 8px;
    border-left-width: 4px;
}



.card.text-center h3 {
    font-weight: bold;
}